IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 1 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. AVERAGE OF MEAN DAILY TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MAX-MIN 1961 7.9 8.7 10.5 16.0 25.1 28.4 29.4 28.7 25.2 18.4 15.0 11.4 21.5 1962 6.9 11.4 13.8 15.7 22.8 26.7 30.6 29.0 24.4 18.8 11.4 10.4 23.7 1963 11.1 10.9 12.1 16.6 21.2 26.5 28.8 28.5 26.2 20.7 12.0 7.6 21.2 1964 3.0 ****** ****** ****** 21.1 25.0 25.3 24.6 21.8 15.3 12.4 12.6 ****** 1965 4.1 ****** 9.8 12.7 19.1 24.4 26.8 26.4 22.0 16.8 13.1 8.7 ****** 1966 11.2 9.6 10.5 19.3 21.9 29.6 32.7 ****** 27.2 20.0 15.5 12.6 ****** 1967 10.3 6.6 10.5 14.5 22.0 25.0 27.1 28.7 23.4 19.9 15.5 ****** ****** 1968 10.3 8.2 11.4 14.0 21.8 24.1 27.2 27.5 25.8 20.8 14.3 10.3 19.3 1969 2.2 3.4 8.8 13.1 19.7 23.8 25.4 27.3 23.5 18.3 10.7 11.0 25.1 1970 8.7 10.0 11.9 16.9 22.8 24.3 26.9 26.9 23.3 19.1 14.7 8.2 18.7 1971 6.8 9.3 12.7 15.4 22.8 25.0 29.2 29.2 25.9 19.5 14.6 10.2 22.4 1972 2.6 2.7 8.2 18.1 19.1 27.2 29.5 26.9 25.6 21.7 15.3 5.9 26.9 1973 3.7 10.4 10.7 15.8 21.3 24.7 25.3 25.6 23.4 19.0 11.9 7.2 21.9 1974 4.3 5.4 10.2 14.2 23.2 26.6 27.0 27.8 24.1 18.2 15.8 11.0 23.5 1975 7.1 7.1 10.3 17.1 23.2 28.4 29.9 28.8 26.3 18.1 10.9 6.8 23.1 1976 8.5 4.9 8.8 15.0 21.1 26.5 27.5 30.4 26.9 19.9 12.4 9.2 25.5 1977 3.0 9.6 13.7 18.5 20.2 26.7 26.6 27.3 25.7 16.6 14.3 8.0 24.3 1978 7.7 6.9 10.1 14.4 17.1 23.8 30.7 28.8 25.6 20.5 11.7 12.1 23.8 1979 11.6 12.3 15.4 14.8 18.1 27.3 30.2 28.4 26.3 21.7 18.1 12.0 18.6 1980 6.4 7.6 9.9 14.1 21.6 26.4 29.1 27.8 24.0 20.5 16.2 12.0 22.7 1981 12.2 11.0 12.5 15.4 20.2 27.0 28.9 28.9 24.5 19.2 14.3 13.1 17.9 1982 9.7 6.1 9.4 17.8 20.8 ****** 29.2 25.8 24.9 17.5 9.4 6.7 ****** 1983 6.1 7.8 10.1 16.2 23.0 26.8 30.6 28.4 24.6 18.1 14.7 9.6 24.5 1984 8.0 4.6 9.1 16.4 18.1 24.5 29.6 27.5 23.9 15.5 14.3 6.0 25.0 1985 7.1 8.2 7.9 16.3 22.5 26.9 26.3 27.5 25.4 18.7 14.6 9.1 20.4 1986 8.2 8.5 7.9 14.2 20.9 26.7 28.7 27.7 26.1 19.9 11.9 7.5 21.2 1987 9.9 8.2 9.4 14.2 23.2 28.7 29.0 28.2 23.8 15.9 12.9 8.2 20.8 1988 5.9 6.9 11.2 15.6 20.7 ****** ****** ****** ****** ****** 14.3 ****** ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 5.3 ****** 8.9 14.7 18.1 26.0 27.5 25.5 23.4 18.5 ****** ****** ****** 1993 6.8 6.2 10.8 16.6 21.4 26.0 26.6 28.9 25.2 18.0 ****** 8.8 ****** 1994 8.0 6.4 10.5 16.8 21.9 24.6 27.3 27.9 23.0 18.4 15.5 7.8 21.5 1995 9.1 9.1 12.4 17.6 22.6 26.9 29.2 29.5 25.4 17.8 15.4 8.7 20.8 1996 6.2 8.4 8.7 14.4 22.8 25.7 29.7 29.5 26.3 19.4 12.4 10.9 23.5 1997 8.6 7.4 9.3 17.2 22.5 27.8 29.3 30.3 25.2 21.9 12.6 10.1 22.9 1998 6.6 6.8 11.5 17.7 22.0 29.4 29.1 29.6 25.1 19.2 15.4 11.9 23.0 1999 8.3 12.0 11.0 16.2 20.7 26.5 28.0 31.2 25.2 20.6 12.6 10.7 22.9 2000 7.5 9.2 10.1 19.8 22.8 26.2 30.1 30.3 26.6 18.7 12.5 10.8 22.8 MEAN 7.3 8.0 10.6 15.9 21.3 26.3 28.4 28.2 24.9 18.9 13.7 9.6 21.1 SD 2.60 2.33 1.71 1.67 1.75 1.54 1.73 1.49 1.34 1.65 1.87 2.02 1.81 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 2 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. AVERAGE OF MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 1.5 1.8 4.3 8.6 15.6 18.6 22.0 20.8 18.5 10.1 7.1 3.7 11.1 1962 0.4 4.2 5.6 9.4 14.3 18.0 22.0 20.7 15.1 10.2 4.9 4.3 10.8 1963 4.3 4.4 4.5 8.8 13.8 18.1 21.4 21.5 18.9 13.5 5.1 1.0 11.3 1964 -3.4 ****** ****** ****** 9.4 14.3 16.2 15.8 12.1 4.5 1.0 0.9 ****** 1965 -3.8 ****** 1.7 2.6 8.9 13.8 16.3 15.8 12.0 7.3 3.0 -1.0 ****** 1966 2.9 2.3 2.8 14.6 16.9 24.2 26.8 ****** 21.4 13.8 7.2 5.1 ****** 1967 2.3 0.1 3.8 7.4 13.6 16.6 20.4 21.8 15.8 12.8 8.8 ****** ****** 1968 3.6 1.8 6.3 8.8 14.8 17.2 19.7 19.8 18.4 13.4 8.5 5.1 11.5 1969 -2.7 -0.8 5.1 7.7 13.5 14.4 16.5 20.9 17.2 12.2 4.5 6.1 9.6 1970 3.7 4.1 7.5 10.6 14.8 18.2 20.1 21.8 17.6 12.8 7.8 2.8 11.8 1971 0.9 3.6 6.2 9.6 16.3 18.6 22.8 23.0 18.9 12.6 8.7 4.1 12.1 1972 -1.6 -2.0 3.5 10.2 14.0 20.6 23.6 19.7 18.9 14.5 8.5 1.6 11.0 1973 -1.4 4.0 5.0 9.1 14.2 18.5 17.3 16.2 16.0 12.4 5.9 1.6 9.9 1974 0.4 1.3 6.4 9.1 15.3 19.1 20.9 21.0 17.2 9.3 8.6 4.8 11.1 1975 1.6 2.2 4.3 10.5 15.7 21.0 23.3 22.6 19.3 12.1 5.6 2.2 11.7 1976 3.5 0.2 4.0 9.0 15.7 21.3 22.6 24.5 20.9 13.2 5.3 4.0 12.0 1977 -1.8 3.6 5.8 10.6 13.2 19.6 20.0 21.0 19.7 11.1 7.2 2.8 11.1 1978 2.7 1.3 3.9 7.4 9.7 16.5 22.7 22.1 20.4 12.6 5.0 4.4 10.7 1979 2.8 3.8 6.1 6.3 8.4 18.7 22.0 20.6 18.9 13.5 9.1 5.2 11.3 1980 0.5 3.5 6.3 8.8 14.0 17.7 19.4 19.4 16.5 12.8 9.5 4.5 11.1 1981 4.5 3.4 5.1 7.6 12.5 20.1 22.2 21.6 16.5 10.2 6.6 5.3 11.3 1982 3.4 1.0 4.2 10.3 14.5 ****** 21.3 19.9 18.1 11.0 4.9 1.5 ****** 1983 0.5 1.6 4.0 8.4 15.3 19.9 23.8 22.3 17.0 10.6 7.2 3.4 11.2 1984 1.7 -0.4 5.2 9.6 12.2 17.8 22.1 21.9 18.5 9.9 8.6 0.6 10.6 1985 2.5 2.8 2.6 9.4 14.4 19.3 19.0 19.7 17.5 10.5 8.4 3.9 10.8 1986 2.4 3.2 2.3 8.1 14.1 18.7 20.4 19.8 17.6 11.4 5.8 2.0 10.5 1987 3.3 2.3 4.5 7.3 15.2 20.1 20.9 20.1 16.0 8.8 6.0 2.7 10.6 1988 1.4 1.4 5.4 8.1 13.0 ****** ****** ****** ****** ****** 7.6 ****** ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 -0.0 ****** 3.6 9.7 12.2 19.5 21.9 19.8 16.4 10.9 ****** ****** ****** 1993 1.2 1.5 4.1 10.1 14.8 19.4 21.3 23.0 18.8 10.8 ****** 4.6 ****** 1994 3.5 1.9 6.2 10.8 14.8 19.0 22.0 23.3 16.1 12.7 10.5 2.9 12.0 1995 4.3 4.0 7.2 11.6 15.0 19.6 24.0 24.5 18.8 11.5 7.9 3.3 12.6 1996 1.5 3.6 5.1 9.6 15.9 19.3 23.2 23.3 19.5 12.6 6.8 4.3 12.1 1997 3.1 2.0 3.8 9.9 15.0 20.9 24.3 24.5 18.9 14.9 7.5 5.1 12.5 1998 2.8 2.0 5.6 11.7 14.8 22.0 23.5 23.9 19.1 12.8 9.2 7.0 12.9 1999 3.0 6.1 5.7 10.4 14.0 19.2 21.6 24.2 19.3 14.6 7.8 5.2 12.6 2000 2.9 4.4 4.8 12.3 15.9 19.3 23.1 24.1 22.1 13.7 7.3 6.2 13.0 MEAN 1.6 2.4 4.8 9.3 13.9 18.8 21.4 21.3 17.9 11.7 7.0 3.6 11.1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 3 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. AVERAGE OF MAXIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 14.4 15.6 16.8 23.4 34.6 38.2 36.8 36.6 32.0 26.7 22.8 19.0 26.4 1962 13.5 18.6 22.0 22.0 31.4 35.3 39.3 37.3 33.8 27.4 17.9 16.5 26.2 1963 18.0 17.4 19.7 24.4 28.5 34.8 36.2 35.5 33.6 27.9 18.8 14.1 25.7 1964 9.5 16.2 15.4 ****** 32.8 35.8 34.4 33.4 31.5 26.1 23.9 24.3 ****** 1965 12.1 16.3 18.0 22.8 29.3 34.9 37.3 37.0 32.1 26.2 23.3 18.4 25.6 1966 19.6 17.0 18.3 24.0 26.8 34.9 38.7 ****** 33.0 26.1 23.8 20.1 ****** 1967 18.4 13.1 17.3 21.5 30.5 33.4 33.8 35.7 31.0 27.0 22.2 ****** ****** 1968 17.1 14.5 16.4 19.1 28.7 30.9 34.7 35.2 33.3 28.2 20.1 15.5 24.5 1969 7.1 7.6 12.5 18.4 25.9 33.1 34.2 33.7 29.7 24.5 17.0 15.8 21.6 1970 13.8 15.9 16.2 23.2 30.8 30.6 33.7 32.1 28.9 25.4 21.7 13.7 23.8 1971 12.7 14.9 19.2 21.1 29.2 31.5 35.5 35.5 32.9 26.4 20.5 16.4 24.6 1972 6.7 7.3 12.8 26.1 24.2 33.8 35.4 34.1 32.4 28.9 22.1 10.2 22.8 1973 8.8 16.8 16.3 22.4 28.5 31.0 33.3 35.0 30.8 25.7 17.6 12.9 23.2 1974 8.3 9.6 13.9 19.4 31.1 34.1 33.1 34.6 30.8 27.1 23.0 17.1 23.5 1975 12.6 11.9 16.3 23.6 30.8 35.8 36.6 35.0 33.4 24.0 16.2 11.4 24.0 1976 13.5 9.6 13.6 21.0 26.6 31.8 32.3 36.2 32.9 26.7 19.5 14.5 23.2 1977 7.7 15.6 21.6 26.4 27.2 33.8 33.2 33.6 31.7 22.0 21.4 13.2 23.9 1978 12.7 12.5 16.3 21.5 24.5 31.1 38.7 35.6 30.7 28.3 18.4 19.7 24.2 1979 20.4 20.9 24.7 23.4 27.8 36.0 38.4 36.4 33.8 30.0 27.0 18.7 28.1 1980 12.1 11.7 13.6 19.4 29.1 35.1 38.8 36.1 31.6 28.1 22.9 19.4 24.8 1981 20.0 18.7 19.9 23.1 27.9 34.0 35.5 36.3 32.4 28.2 22.1 20.8 26.6 1982 14.2 11.2 14.5 25.3 27.1 ****** 37.1 31.8 31.7 24.1 13.9 12.0 ****** 1983 11.2 14.0 16.3 24.0 30.7 33.6 37.4 34.4 32.1 25.5 22.2 15.6 24.8 1984 14.4 9.3 12.9 23.2 24.0 31.2 37.1 33.2 29.2 21.2 20.0 11.4 22.3 1985 11.6 13.7 13.2 23.1 30.6 34.6 33.6 35.3 33.3 26.8 20.7 14.4 24.2 1986 13.9 13.5 13.1 20.3 27.7 34.8 36.9 35.6 34.6 28.3 18.0 12.9 24.1 1987 16.5 14.2 14.4 21.2 31.1 37.2 37.1 36.3 31.7 23.0 19.8 13.7 24.7 1988 10.4 12.4 17.1 23.0 28.3 ****** ****** ****** ****** ****** 21.0 ****** ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 10.9 ****** 14.2 19.7 24.1 32.5 33.1 31.0 30.4 26.1 ****** ****** ****** 1993 12.4 11.0 17.6 23.1 28.1 32.6 32.0 34.7 31.7 25.2 14.3 13.0 23.0 1994 12.6 11.0 14.7 22.8 29.0 30.2 32.5 32.6 29.9 24.1 20.3 12.8 22.7 1995 14.1 14.2 17.5 23.6 30.1 34.1 34.5 34.4 32.0 24.1 23.0 14.2 24.6 1996 10.9 13.1 12.3 19.3 29.8 32.0 36.2 35.6 33.1 26.2 18.0 17.4 23.7 1997 14.2 12.8 14.9 24.5 30.0 34.6 34.3 36.0 31.5 29.0 17.8 15.1 24.5 1998 10.4 11.5 17.4 23.8 29.2 36.8 34.8 35.3 31.0 25.7 21.5 16.9 24.5 1999 13.6 17.9 16.3 22.0 27.3 33.7 34.5 38.3 31.1 26.5 17.5 16.2 24.6 2000 12.1 14.0 15.5 27.2 29.8 33.1 37.1 36.6 31.2 23.6 17.7 15.3 24.4 MEAN 13.0 13.8 16.3 22.6 28.7 33.7 35.5 35.0 31.9 26.1 20.2 15.7 24.4 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 4 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 12.9 13.8 12.5 14.8 19.0 19.6 14.8 15.8 13.5 16.6 15.7 15.3 15.4 1962 13.1 14.4 16.4 12.6 17.1 17.3 17.3 16.6 18.7 17.2 13.0 12.2 15.5 1963 13.7 13.0 15.2 15.7 14.7 16.7 14.8 14.0 14.7 14.4 13.7 13.1 14.5 1964 12.9 ****** ****** ****** 23.4 21.6 18.2 17.6 19.4 21.6 22.9 23.4 ****** 1965 15.9 ****** 16.3 20.1 20.4 21.1 21.0 21.2 20.1 18.9 20.3 19.4 ****** 1966 16.7 14.8 15.5 9.4 9.9 10.7 11.9 ****** 11.6 12.3 16.6 15.0 ****** 1967 16.1 13.0 13.5 14.1 16.9 16.8 13.4 13.9 15.2 14.2 13.4 ****** ****** 1968 13.5 12.7 10.1 10.3 13.9 13.7 15.0 15.4 14.9 14.8 11.6 10.4 13.0 1969 9.8 8.4 7.4 10.7 12.4 18.7 17.7 12.8 12.5 12.3 12.5 9.7 12.1 1970 10.1 11.8 8.7 12.6 16.0 12.4 13.6 10.3 11.3 12.6 13.9 10.9 12.0 1971 11.8 11.3 13.0 11.5 12.9 12.9 12.7 12.5 14.0 13.8 11.8 12.3 12.5 1972 8.3 9.3 9.3 15.9 10.2 13.2 11.8 14.4 13.5 14.4 13.6 8.6 11.9 1973 10.2 12.8 11.3 13.3 14.3 12.5 16.0 18.8 14.8 13.3 11.7 11.3 13.4 1974 7.9 8.3 7.5 10.3 15.8 15.0 12.2 13.6 13.6 17.8 14.4 12.3 12.4 1975 11.0 9.7 12.0 13.1 15.1 14.8 13.3 12.4 14.2 11.9 10.6 9.2 12.3 1976 10.0 9.4 9.6 12.0 10.9 10.5 9.7 11.7 12.0 13.5 14.2 10.5 11.2 1977 9.5 12.0 15.8 15.8 14.0 14.2 13.2 12.6 12.0 10.9 14.2 10.4 12.9 1978 10.0 11.2 12.4 14.1 14.8 14.6 16.0 13.5 10.3 15.7 13.4 15.3 13.4 1979 17.6 17.1 18.6 17.1 19.4 17.3 16.4 15.8 14.9 16.5 17.9 13.5 16.8 1980 11.6 8.2 7.3 10.7 15.1 17.4 19.4 16.7 15.1 15.3 13.4 14.9 13.8 1981 15.5 15.3 14.8 15.5 15.4 13.9 13.3 14.7 15.9 18.0 15.5 15.5 15.3 1982 10.8 10.2 10.3 15.0 12.6 ****** 15.8 11.9 13.6 13.1 9.0 10.5 ****** 1983 10.7 12.4 12.3 15.6 15.4 13.7 13.6 12.1 15.1 14.9 15.0 12.2 13.6 1984 12.7 9.7 7.7 13.6 11.8 13.4 15.0 11.3 10.7 11.3 11.4 10.8 11.6 1985 9.1 10.9 10.6 13.7 16.2 15.3 14.6 15.6 15.8 16.3 12.3 10.5 13.4 1986 11.5 10.3 10.8 12.2 13.6 16.1 16.5 15.8 17.0 16.9 12.2 10.9 13.6 1987 13.2 11.9 9.9 13.9 15.9 17.1 16.2 16.2 15.7 14.2 13.8 11.0 14.1 1988 9.0 11.0 11.7 14.9 15.3 ****** ****** ****** ****** ****** 13.4 ****** ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 10.9 ****** 10.6 10.0 11.9 13.0 11.2 11.2 14.0 15.2 ****** ****** ****** 1993 11.2 9.5 13.5 13.0 13.3 13.2 10.7 11.7 12.9 14.4 ****** 8.4 ****** 1994 9.1 9.1 8.5 12.0 14.2 11.2 10.5 9.3 13.8 11.4 9.8 9.9 10.7 1995 9.8 10.2 10.3 12.0 15.1 14.5 10.5 9.9 13.2 12.6 15.1 10.9 12.0 1996 9.4 9.5 7.2 9.7 13.9 12.7 13.0 12.3 13.6 13.6 11.2 13.1 11.6 1997 11.1 10.8 11.1 14.6 15.0 13.7 10.0 11.5 12.6 14.1 10.3 10.0 12.1 1998 7.6 9.5 11.8 12.1 14.4 14.8 11.3 11.4 11.9 12.9 12.3 9.9 11.7 1999 10.6 11.8 10.6 11.6 13.3 14.5 12.9 14.1 11.8 11.9 9.7 11.0 12.0 2000 9.2 9.6 10.7 14.9 13.9 13.8 14.0 12.5 9.1 9.9 10.4 9.1 11.4 MEAN 11.5 11.3 11.5 13.3 14.8 14.9 14.1 13.7 14.0 14.4 13.4 12.1 13.2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 5 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 5.02 4.74 5.33 7.65 11.98 13.22 16.84 16.48 14.09 8.77 6.48 5.45 9.67 1962 4.50 5.17 6.02 8.11 11.15 14.00 16.07 15.63 11.50 8.63 6.30 5.02 9.34 1963 5.15 5.42 5.60 8.45 10.85 12.61 15.54 15.45 13.32 10.23 5.98 4.69 9.44 1964 3.19 4.39 5.47 6.66 10.43 13.30 14.47 15.59 12.71 7.50 5.49 5.44 8.72 1965 4.61 4.55 5.66 6.78 10.30 13.04 15.52 15.35 12.26 9.19 6.72 5.41 9.12 1966 5.31 5.82 6.07 7.22 8.55 12.09 12.81 ****** 10.78 8.30 5.90 4.95 ****** 1967 4.22 3.92 5.25 7.31 9.54 11.27 14.63 16.12 12.29 8.41 7.24 ****** ****** 1968 4.44 4.09 6.08 7.19 10.70 12.17 14.10 14.14 12.63 9.23 7.39 5.48 8.97 1969 3.21 3.47 5.53 6.92 9.50 9.87 10.89 14.60 11.82 8.77 5.43 5.66 7.97 1970 4.99 4.88 6.06 7.46 9.91 11.44 12.80 15.53 12.16 9.00 6.74 4.58 8.80 1971 4.21 4.65 5.76 7.42 10.77 11.70 13.98 14.48 11.88 8.42 6.86 5.17 8.77 1972 3.39 3.20 4.78 7.62 9.97 14.23 15.93 13.38 13.20 10.01 7.02 4.49 8.93 1973 3.49 4.77 5.38 7.88 10.51 13.05 13.77 16.72 12.75 9.41 5.96 4.46 9.01 1974 3.99 4.17 5.96 7.42 11.29 13.87 16.11 16.22 13.28 7.20 7.00 5.59 9.34 1975 4.20 4.23 5.07 7.93 11.61 16.29 17.18 17.03 13.40 8.59 5.59 4.50 9.63 1976 4.74 3.91 4.71 6.84 10.12 14.34 16.27 17.62 15.09 9.12 5.30 4.77 9.40 1977 3.29 4.36 4.97 7.51 9.27 14.69 15.01 16.25 15.13 8.54 6.15 4.54 9.14 1978 4.32 3.90 4.87 6.35 7.48 12.26 18.35 17.55 15.84 9.15 5.29 5.22 9.21 1979 4.55 4.89 5.85 5.94 6.93 14.29 17.72 16.31 14.49 10.03 7.30 5.57 9.49 1980 3.86 4.71 5.82 6.99 10.45 13.27 15.56 14.87 12.32 9.62 7.66 5.30 9.20 1981 5.13 4.86 5.41 6.49 9.19 15.36 17.98 17.17 12.38 7.63 6.01 5.49 9.42 1982 5.05 3.97 4.97 7.83 10.74 ****** 16.35 14.53 12.25 7.87 5.37 4.23 ****** 1983 3.93 4.01 4.74 6.57 11.19 14.57 17.27 16.46 12.65 8.14 6.24 4.78 9.21 1984 4.19 3.47 5.31 7.37 8.72 13.12 16.80 16.81 13.78 7.45 6.95 3.85 8.99 1985 4.34 4.47 4.51 7.29 10.25 14.39 14.25 14.69 12.93 7.79 6.76 4.78 8.87 1986 4.30 4.40 4.15 6.55 10.07 13.63 15.83 15.16 13.03 8.03 5.61 3.98 8.73 1987 4.39 4.25 4.86 6.00 11.15 15.66 16.24 15.78 12.03 7.17 5.62 4.34 8.96 1988 3.67 3.67 5.16 6.71 9.52 ****** ****** ****** ****** ****** 6.45 ****** ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 4.01 ****** 5.09 7.91 9.63 14.61 17.13 14.71 12.05 8.05 ****** ****** ****** 1993 4.20 4.44 5.02 7.59 10.56 13.43 15.61 16.70 13.88 6.99 6.23 5.37 9.17 1994 5.01 4.27 5.91 8.34 10.77 13.58 14.66 16.56 11.14 8.90 7.43 4.46 9.25 1995 4.93 4.72 5.54 8.12 10.21 12.65 16.69 17.28 12.92 8.38 5.98 4.47 9.32 1996 4.28 4.52 5.41 7.50 11.75 13.33 15.66 15.64 12.58 8.36 6.11 4.64 9.15 1997 4.75 4.14 5.05 7.43 10.14 15.47 17.44 18.17 12.30 9.56 6.52 4.96 9.66 1998 4.54 4.36 5.50 8.48 10.12 13.75 16.53 17.22 13.24 8.44 6.72 5.75 9.55 1999 4.62 5.34 5.62 7.65 9.94 13.46 14.92 16.01 12.80 9.47 6.31 5.24 9.28 2000 4.49 4.82 5.35 8.62 11.10 11.70 14.03 16.27 15.36 9.09 6.04 5.79 9.39 MEAN 4.34 4.42 5.35 7.36 10.18 13.43 15.59 15.96 12.96 8.60 6.34 4.96 9.12 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 6 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 6.09 5.67 6.56 8.91 11.99 13.95 17.60 17.82 14.86 9.97 7.89 7.04 10.70 1962 5.64 6.16 6.71 8.07 10.55 13.67 16.27 16.28 12.66 11.57 9.13 6.10 10.23 1963 6.29 6.22 6.01 9.75 10.88 11.58 15.32 14.45 14.14 12.03 7.88 6.83 10.12 1964 4.11 5.25 6.71 7.02 10.45 12.67 14.76 15.83 13.83 8.11 6.17 6.28 9.27 1965 5.55 5.39 6.98 7.52 10.62 12.79 14.94 15.64 12.33 10.17 8.78 6.17 9.74 1966 6.29 6.90 7.13 9.48 11.31 14.99 15.94 ****** 13.55 9.79 7.66 6.29 ****** 1967 5.56 4.73 5.31 7.27 9.57 10.81 13.58 14.98 11.92 9.32 8.14 ****** ****** 1968 5.07 5.14 6.80 7.96 11.10 11.99 13.49 13.49 11.21 9.41 8.76 6.48 9.24 1969 3.97 4.14 6.10 7.72 9.74 9.94 10.76 13.65 12.27 9.49 7.01 6.81 8.47 1970 5.79 6.01 6.81 8.72 10.10 10.80 12.46 16.20 13.20 9.39 7.81 5.65 9.41 1971 5.12 5.16 6.28 7.42 10.73 10.71 13.19 13.19 12.57 8.26 8.37 6.27 8.94 1972 4.15 3.93 5.68 8.19 10.71 13.47 14.95 14.02 13.83 11.01 7.83 5.08 9.40 1973 4.08 5.89 6.26 8.90 9.80 12.31 13.43 16.28 12.47 10.98 7.36 5.50 9.44 1974 4.61 4.75 6.11 7.98 12.62 13.00 15.54 14.41 12.03 7.00 7.13 6.16 9.28 1975 5.57 5.15 5.79 8.39 11.45 13.37 15.15 16.40 16.73 9.32 5.91 5.41 9.89 1976 5.94 4.63 5.16 7.73 12.69 13.41 15.56 15.79 14.25 11.36 5.59 4.72 9.74 1977 3.97 5.14 6.42 7.64 9.39 15.91 14.82 15.02 18.92 8.60 5.55 4.87 9.69 1978 5.71 5.75 7.57 10.77 11.99 14.49 18.38 16.01 18.09 16.87 6.37 5.43 11.45 1979 5.31 5.91 6.42 5.46 7.62 15.29 21.03 17.36 14.43 12.70 8.63 5.28 10.45 1980 4.21 4.32 5.89 7.70 13.10 19.20 25.55 20.04 15.24 11.80 7.02 5.67 11.64 1981 6.27 6.37 6.10 9.29 14.11 19.41 23.76 27.24 17.85 12.37 7.75 6.75 13.11 1982 5.62 4.71 5.40 10.32 11.46 ****** 17.30 15.68 13.16 8.42 5.13 4.49 ****** 1983 4.67 5.81 5.60 7.00 10.16 16.26 18.61 16.64 12.67 7.46 7.08 5.55 9.79 1984 5.22 4.00 5.36 9.72 10.13 13.56 15.50 16.14 15.29 7.33 6.96 4.75 9.49 1985 4.69 5.28 5.27 8.59 13.52 15.83 16.28 18.61 14.74 11.60 6.11 5.39 10.49 1986 4.86 4.44 5.10 6.57 11.81 19.69 23.58 21.48 18.96 9.12 6.08 4.40 11.34 1987 5.52 4.53 4.71 6.26 13.26 22.50 21.35 19.24 15.24 7.38 5.83 4.68 10.88 1988 4.40 4.47 5.56 8.02 11.35 ****** ****** ****** ****** ****** 7.66 ****** ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 4.69 ****** 6.07 9.32 10.28 12.95 16.55 14.09 11.67 8.31 ****** ****** ****** 1993 4.67 4.86 5.77 9.42 10.78 12.96 15.00 16.15 14.24 7.54 6.44 6.13 9.50 1994 5.75 4.71 6.82 9.33 11.00 12.98 14.08 15.52 11.40 9.66 8.16 5.20 9.55 1995 5.56 5.34 6.76 8.88 10.28 12.07 15.83 16.44 12.44 8.93 7.21 5.56 9.61 1996 5.17 4.84 5.90 8.46 12.64 12.81 15.05 14.62 12.69 8.34 6.88 5.78 9.43 1997 5.30 4.60 5.53 7.68 9.39 14.21 16.42 17.49 12.23 11.52 7.62 5.83 9.82 1998 5.36 4.73 6.31 9.61 9.20 12.48 15.43 17.26 13.68 8.84 7.79 6.32 9.75 1999 5.17 5.77 6.55 8.49 9.93 13.93 14.44 16.64 13.10 10.55 7.04 6.32 9.83 2000 5.10 5.78 6.05 10.24 12.16 11.02 13.17 16.06 15.15 9.44 6.84 6.76 9.81 MEAN 5.17 5.18 6.10 8.38 11.03 13.92 16.26 16.47 13.98 9.84 7.22 5.77 9.94 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 7 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 5.46 5.24 6.37 8.72 12.47 13.59 16.88 17.58 14.55 9.38 7.39 6.55 10.35 1962 5.14 5.94 6.81 8.64 10.97 13.31 15.29 15.22 11.41 9.10 7.21 5.61 9.55 1963 5.58 5.76 6.37 9.04 11.28 11.58 14.32 13.82 12.75 11.28 7.10 5.38 9.52 1964 3.83 5.20 6.03 6.94 10.60 12.49 14.48 14.92 13.27 7.45 6.52 6.59 9.03 1965 4.77 4.73 6.16 7.31 10.23 12.20 14.74 15.26 11.69 9.32 7.03 5.52 9.08 1966 5.68 6.21 6.74 9.34 10.09 13.03 14.02 ****** 12.37 9.78 6.64 5.66 ****** 1967 4.52 4.55 5.46 7.54 9.19 9.96 12.85 13.90 11.47 8.98 8.20 ****** ****** 1968 4.46 4.99 6.39 7.70 10.51 10.81 11.58 12.83 11.96 9.22 8.42 6.29 8.76 1969 3.84 4.15 6.02 7.39 10.16 9.43 10.04 12.92 11.33 9.10 6.51 6.23 8.09 1970 5.45 5.76 6.59 7.54 9.22 10.38 11.01 14.88 11.64 9.33 7.34 5.37 8.71 1971 4.55 4.54 5.87 7.26 10.49 10.61 11.98 12.28 11.56 8.84 8.34 5.86 8.51 1972 3.79 3.81 5.07 7.45 9.96 12.62 13.70 12.76 11.89 11.17 7.13 5.01 8.70 1973 3.89 5.24 5.57 6.98 8.52 10.83 12.95 16.28 ****** 10.61 7.80 6.13 ****** 1974 4.70 4.62 5.87 7.05 11.99 12.26 14.05 12.35 10.92 6.14 6.24 6.29 8.54 1975 5.33 4.79 5.49 7.42 9.82 11.70 12.62 14.01 14.43 7.72 5.02 5.18 8.63 1976 5.58 4.36 4.72 6.73 9.84 11.17 12.50 13.68 11.32 9.60 4.73 4.44 8.22 1977 3.72 4.77 5.11 5.89 7.40 12.50 12.01 11.18 16.24 7.25 4.63 4.47 7.93 1978 5.01 5.04 6.87 9.00 10.14 11.64 13.46 12.69 14.85 13.41 5.77 4.98 9.40 1979 4.78 4.96 5.16 4.19 5.66 11.77 16.56 13.69 11.62 9.97 6.56 4.34 8.27 1980 3.60 4.07 5.48 6.65 10.02 14.88 21.15 15.68 11.53 10.30 6.08 4.48 9.49 1981 5.79 5.28 5.14 7.29 12.07 15.65 21.13 24.20 13.88 10.17 6.02 5.66 11.02 1982 4.82 4.19 5.02 8.62 9.32 ****** 12.11 12.39 10.01 6.37 4.86 3.83 ****** 1983 3.59 4.45 5.01 5.67 6.82 12.39 14.41 12.80 9.21 6.11 5.34 4.41 7.52 1984 3.92 3.04 3.99 6.87 7.29 10.88 12.92 11.39 12.73 5.87 5.39 3.20 7.29 1985 3.58 4.01 4.20 6.38 9.80 11.43 11.41 13.51 11.03 8.19 5.01 3.64 7.68 1986 3.55 3.50 3.85 5.52 8.63 14.71 17.34 15.22 12.70 5.72 3.79 3.30 8.15 1987 3.98 3.81 3.87 4.89 9.53 14.58 15.00 12.66 10.31 5.14 4.21 3.39 7.61 1988 3.25 3.77 4.73 5.57 8.64 ****** ****** ****** ****** ****** 7.16 ****** ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 4.58 ****** 6.20 9.69 11.27 13.80 16.39 14.51 12.46 8.74 ****** ****** ****** 1993 4.98 5.25 6.56 9.62 11.95 13.33 14.88 16.60 14.66 7.22 6.68 6.16 9.82 1994 6.13 4.69 7.21 9.94 11.26 13.08 14.02 15.80 12.10 7.97 8.52 5.42 9.68 1995 5.87 5.89 7.17 10.15 10.47 12.35 15.47 17.08 13.13 9.63 8.02 5.69 10.08 1996 5.23 5.27 6.32 8.96 13.28 12.82 15.13 14.77 13.16 9.12 7.22 5.78 9.76 1997 5.58 5.04 6.04 8.17 9.94 14.58 16.55 17.63 13.17 11.63 8.08 6.23 10.22 1998 5.48 5.19 6.57 10.48 10.13 12.62 14.91 17.18 14.32 9.83 7.98 6.20 10.07 1999 5.45 6.39 6.94 9.02 10.98 14.13 14.94 16.57 13.01 11.25 7.23 6.62 10.21 2000 5.02 5.82 6.87 10.56 12.32 11.53 13.25 15.84 15.56 9.66 6.40 6.83 9.97 MEAN 4.72 4.85 5.78 7.74 10.07 12.42 14.34 14.69 12.53 8.91 6.58 5.32 8.99 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 8 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. ABSOLUTE OF MINIMUM TEMPERATURE WITH DAY YEAR JAN. DAY FEB. DAY MAR. DAY APR. DAY MAY DAY JUNE DAY JULY DAY AUG. DAY SEP. DAY OCT. DAY NOV. DAY DEC. DAY ANNUAL 1961 -5.0 4 -4.5 1 0.0 13 2.0 19 12.0 4 13.0 8 19.5 14 15.5 9 12.5 22 1.5 30 2.0 25 -1.5 28 -5.0 1962 -3.5 25 -1.0 23 1.5 3 4.0 13 9.5 2 10.0 10 18.0 8 14.5 29 7.5 29 5.0 14 -1.5 18 1.0 6 -3.5 1963 0.0 22 0.0 11 -1.5 8 3.0 6 9.5 19 14.5 25 14.5 1 17.5 29 13.0 25 6.5 19 1.0 19 -12.0 26 -12.0 1964 -14.5 19 ***** ** ***** ** ***** ** 2.0 3 10.0 24 12.0 1 12.0 22 3.5 26 1.0 8 -5.0 30 -6.0 31 ***** 1965 -9.0 4 ***** ** -4.0 8 -3.0 6 2.5 5 10.5 7 12.0 25 10.0 30 5.0 25 2.0 27 0.0 22 -5.0 3 ***** 1966 1.0 4 0.0 22 0.0 4 6.0 3 10.0 1 21.0 22 21.0 23 ***** ** 18.0 23 8.0 21 -3.0 29 0.0 25 ***** 1967 -2.5 24 -5.5 4 -3.0 1 0.0 2 8.0 1 9.0 7 18.0 4 19.0 21 10.0 15 7.0 16 2.0 16 ***** ** ***** 1968 -3.0 24 -5.0 5 2.5 5 5.0 1 7.4 1 13.2 10 13.8 14 15.0 30 13.4 21 3.8 29 4.8 24 1.4 8 -5.0 1969 -13.0 26 -5.0 10 0.0 24 2.8 15 8.0 9 8.0 16 8.0 17 17.0 2 9.4 14 4.0 31 0.0 19 1.0 16 -13.0 1970 -1.0 24 0.0 2 2.8 15 6.4 24 10.0 9 12.0 11 16.8 24 17.0 3 11.4 20 6.8 26 4.2 26 -2.0 21 -2.0 1971 -4.4 27 -2.2 3 1.0 7 3.8 5 12.0 14 13.0 20 19.8 1 19.8 5 14.0 28 9.0 13 4.4 2 -2.0 22 -4.4 1972 -8.0 25 -8.0 11 -3.1 21 3.8 6 7.4 12 17.0 1 18.0 29 15.0 26 10.6 20 10.0 10 2.4 13 -5.0 26 -8.0 1973 -13.0 25 -1.0 3 -1.0 10 6.0 12 9.4 2 14.0 9 14.0 30 14.0 2 6.0 27 5.0 31 2.1 11 -3.0 29 -13.0 1974 -4.1 6 -4.1 4 -1.1 10 3.1 3 8.2 2 15.2 8 18.0 9 16.1 28 12.4 27 5.5 22 4.0 23 -2.5 27 -4.1 1975 -3.0 15 -2.0 1 -1.5 4 4.5 1 10.5 10 18.5 1 20.5 15 18.5 20 15.5 24 4.5 22 0.0 16 -2.5 15 -3.0 1976 -1.5 10 -5.5 17 -2.5 2 4.0 2 12.5 3 15.7 14 18.8 21 21.5 20 15.8 30 7.3 31 0.0 22 -1.8 23 -5.5 1977 -6.3 16 -1.5 2 3.2 14 5.4 2 10.0 11 15.5 1 16.0 19 13.5 30 16.2 9 4.0 23 5.5 15 -1.7 14 -6.3 1978 -2.0 15 -2.5 6 1.0 4 5.5 13 6.9 8 10.0 2 15.7 5 17.5 23 15.5 27 9.5 27 2.0 3 -2.5 25 -2.5 1979 -2.0 10 -3.0 19 3.5 1 4.5 18 5.5 1 10.8 1 17.5 15 14.5 3 15.5 18 9.5 12 6.5 22 -1.5 23 -3.0 1980 -5.5 25 -2.5 25 3.5 16 6.0 8 8.5 7 10.5 28 9.5 4 15.0 30 14.5 17 8.5 23 5.5 24 2.0 15 -5.5 1981 1.5 15 -1.0 4 2.5 1 -1.0 2 7.5 1 16.0 1 19.5 21 18.5 21 9.0 24 6.0 31 4.0 9 2.0 13 -1.0 1982 -2.5 21 -2.0 9 0.0 29 5.0 2 9.5 7 ***** ** 17.5 1 16.5 14 12.5 21 4.5 26 0.5 18 -3.0 12 ***** 1983 -4.5 28 -2.0 4 1.5 7 5.5 1 10.5 1 15.5 29 20.0 1 16.5 28 9.5 28 7.5 24 2.0 27 -2.0 19 -4.5 1984 -2.0 22 -4.0 8 1.5 1 6.5 3 5.5 2 15.0 15 19.0 2 18.0 31 15.5 24 6.0 23 3.5 30 -2.5 2 -4.0 1985 -3.0 1 -3.0 24 -3.0 5 5.5 22 10.4 2 17.0 3 16.5 31 16.0 31 14.0 25 6.5 31 5.0 25 -1.5 15 -3.0 1986 -3.0 22 0.0 1 -2.5 3 4.5 3 10.0 6 16.5 23 16.5 2 16.5 6 14.5 21 9.5 1 1.5 18 -4.0 12 -4.0 1987 0.0 22 -1.0 13 1.5 16 4.0 1 10.0 1 17.0 4 16.5 4 15.5 30 9.0 25 3.5 29 0.0 30 -2.0 2 -2.0 1988 -4.5 22 -2.0 7 2.5 8 0.6 7 8.5 3 ***** ** ***** ** ***** ** ***** ** ***** ** 2.5 16 ***** ** ***** 1989 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1990 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1991 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1992 -6.0 9 ***** ** -3.1 3 5.5 17 5.0 6 15.6 10 18.0 12 14.0 31 12.0 2 6.8 17 ***** ** ***** ** ***** 1993 -3.0 23 -10.4 17 -1.0 16 3.6 24 7.5 10 15.0 6 19.4 6 18.2 26 12.6 27 4.8 10 ***** ** -1.0 1 ***** 1994 -1.2 12 -4.4 21 0.4 3 1.4 5 10.0 8 12.8 6 18.2 2 21.0 10 12.2 13 7.0 26 6.0 12 -1.2 27 -4.4 1995 0.0 31 -0.6 27 0.0 7 4.0 8 11.2 26 12.5 24 19.6 25 21.2 28 11.4 28 3.6 18 1.6 29 -0.4 19 -0.6 1996 -2.6 16 -4.0 4 1.0 20 1.0 6 8.6 2 16.6 7 18.8 15 17.0 31 12.4 21 7.0 20 0.4 19 -1.0 4 -4.0 1997 -2.6 31 -3.0 10 -0.4 12 2.6 3 10.5 7 15.3 5 21.2 9 18.6 27 12.5 21 11.2 19 4.0 29 0.0 19 -3.0 1998 -0.4 18 -3.0 16 -1.0 1 5.0 2 6.8 6 17.6 1 20.4 24 20.4 6 13.8 13 5.1 10 4.2 26 1.0 20 -3.0 1999 -3.4 5 1.4 2 -0.4 19 4.8 11 7.5 22 14.6 6 16.8 13 21.0 18 12.6 25 7.6 26 3.2 30 0.6 2 -3.4 2000 -4.0 15 0.0 9 0.2 13 6.2 3 10.0 11 12.6 14 20.6 27 20.0 18 17.0 26 8.0 16 1.6 28 1.0 29 -4.0 LOW. -14.5 19 -10.4 17 -4.0 8 -3.0 6 2.0 3 8.0 16 8.0 17 10.0 30 3.5 26 1.0 8 -5.0 30 -12.0 26 -14.5 YEAR 1964 1993 1965 1965 1964 1969 1969 1965 1964 1964 1964 1963 1964 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 9 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. ABSOLUTE OF MAXIMUM TEMPERATURE WITH DAY YEAR JAN. DAY FEB. DAY MAR. DAY APR. DAY MAY DAY JUNE DAY JULY DAY AUG. DAY SEP. DAY OCT. DAY NOV. DAY DEC. DAY ANNUAL 1961 24.0 19 23.0 9 26.0 30 35.0 28 43.5 25 46.0 26 42.0 1 45.0 19 38.5 13 35.0 14 30.0 20 26.5 1 46.0 1962 20.0 28 28.0 17 31.0 10 29.0 29 40.0 17 40.0 20 45.0 21 42.0 21 41.0 1 36.5 22 26.0 1 31.0 21 45.0 1963 29.0 18 30.5 24 31.0 17 37.0 30 37.0 28 44.0 2 44.5 23 40.0 24 38.0 3 35.0 21 28.5 14 25.0 20 44.5 1964 15.5 28 26.0 23 22.0 18 ***** ** 42.0 9 40.5 8 41.0 18 39.0 13 35.0 11 32.0 2 33.0 18 33.0 19 ***** 1965 22.0 6 25.0 9 35.0 31 39.0 28 39.0 16 42.5 15 42.0 18 44.0 14 40.0 15 40.0 13 34.0 17 28.0 14 44.0 1966 30.0 26 28.0 26 29.0 28 31.0 17 35.0 13 43.0 10 44.0 27 ***** ** 39.0 7 33.5 15 32.5 17 28.0 2 ***** 1967 30.0 15 29.0 24 31.0 5 35.0 21 39.0 27 43.5 17 37.0 4 39.0 16 35.0 1 34.0 11 28.0 23 ***** ** ***** 1968 28.0 15 24.0 20 27.4 13 32.2 17 38.4 20 38.2 18 42.2 20 40.2 15 41.8 28 39.4 12 25.0 14 24.5 28 42.2 1969 15.4 13 16.0 5 28.8 30 35.8 1 38.8 14 43.0 11 43.0 12 39.0 20 35.4 7 32.0 12 30.0 1 26.2 22 43.0 1970 26.2 1 26.2 19 34.8 29 36.0 19 42.8 23 35.0 15 39.0 20 36.0 13 38.0 23 34.0 5 33.0 7 28.0 6 42.8 1971 27.2 4 25.0 27 31.0 27 31.0 13 37.0 26 36.3 14 41.2 4 39.2 21 36.8 6 35.4 24 27.2 15 28.8 9 41.2 1972 17.2 13 18.6 16 31.0 30 36.0 29 31.0 30 40.0 21 38.8 11 42.0 17 39.0 1 36.0 20 32.0 3 15.0 4 42.0 1973 18.8 28 29.0 19 30.0 2 33.0 21 42.0 17 40.4 26 41.0 27 40.0 10 39.0 1 31.0 24 33.2 1 21.0 2 42.0 1974 16.2 22 19.2 10 31.2 17 34.1 19 38.9 27 39.3 14 41.7 2 38.9 14 33.4 11 31.0 30 32.5 3 29.3 9 41.7 1975 20.1 10 19.9 10 23.1 27 35.0 13 38.5 28 40.8 29 43.4 5 41.0 6 37.9 4 31.5 1 25.0 25 15.8 22 43.4 1976 21.2 6 20.0 8 22.0 19 27.5 12 32.6 28 40.3 11 40.0 30 42.9 9 41.2 4 32.6 2 30.3 28 21.5 15 42.9 1977 10.9 7 23.6 28 33.4 3 34.6 15 36.4 14 41.4 7 39.5 26 43.4 12 36.7 26 31.5 5 25.0 6 26.5 5 43.4 1978 16.2 3 16.5 17 22.0 31 26.7 6 29.5 17 39.8 30 43.5 28 43.0 4 39.5 11 30.5 29 24.3 1 23.5 17 43.5 1979 25.5 4 26.5 12 28.5 18 27.0 9 33.5 21 42.5 29 43.5 26 40.3 16 38.0 6 35.6 3 32.7 20 29.7 1 43.5 1980 22.5 3 14.7 16 17.3 31 26.9 30 39.6 22 40.5 5 42.5 14 42.5 5 36.5 3 32.6 7 26.4 7 26.5 5 42.5 1981 26.0 18 23.6 9 25.3 22 28.9 20 31.5 9 38.5 30 41.0 9 40.7 7 39.5 2 34.2 5 30.0 13 26.6 17 41.0 1982 25.0 8 20.0 5 23.6 11 33.8 24 36.6 1 ***** ** 43.4 9 36.4 31 36.2 3 30.0 15 23.4 6 17.6 31 ***** 1983 18.2 23 17.6 21 23.4 26 32.4 17 35.4 23 41.4 17 44.6 13 40.6 13 35.6 19 31.2 2 35.4 2 24.4 2 44.6 1984 19.0 5 13.4 13 18.8 24 33.8 21 36.2 26 39.0 5 40.6 31 37.0 7 33.0 15 28.4 17 24.2 11 15.6 14 40.6 1985 17.0 25 25.0 15 20.0 15 33.0 30 35.6 31 41.6 27 36.9 21 40.6 9 38.6 1 35.6 20 25.0 5 22.4 1 41.6 1986 18.6 10 17.4 28 19.0 30 30.0 16 33.0 24 39.0 6 44.4 13 40.0 18 36.6 13 38.6 5 27.0 4 19.4 27 44.4 1987 22.4 9 29.0 24 21.0 24 32.0 17 40.0 23 41.6 29 41.0 7 40.6 17 35.6 4 36.6 2 24.0 6 23.0 23 41.6 1988 14.0 12 20.0 29 23.0 27 30.6 23 36.0 30 ***** ** ***** ** ***** ** ***** ** ***** ** 33.5 8 ***** ** ***** 1989 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1990 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1991 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1992 20.0 2 ***** ** 25.0 30 32.6 13 34.5 29 40.0 17 37.0 9 35.4 24 33.4 7 35.2 24 ***** ** ***** ** ***** 1993 23.5 29 22.0 27 29.0 27 36.4 19 35.0 31 41.8 28 35.4 9 40.0 10 36.8 2 34.8 1 22.0 9 24.6 23 41.8 1994 23.0 31 23.2 27 25.0 29 35.6 23 35.4 27 39.0 1 36.6 24 37.4 16 33.8 12 30.4 19 28.2 3 20.0 14 39.0 1995 24.8 29 26.6 8 30.8 25 36.6 3 36.0 21 45.4 29 39.8 23 38.5 12 37.8 17 37.6 3 33.8 10 22.5 28 45.4 1996 24.6 5 29.2 9 22.6 30 31.5 18 40.0 24 39.6 29 42.0 24 40.0 26 42.0 7 37.6 24 22.8 6 26.6 25 42.0 1997 26.6 6 21.0 17 27.7 24 37.5 24 40.6 28 43.8 12 40.0 10 40.4 12 41.0 11 36.2 13 29.6 4 26.5 8 43.8 1998 17.4 30 26.4 7 27.0 24 34.5 15 40.2 21 42.2 23 39.6 11 41.8 30 39.6 1 33.6 17 31.4 19 34.0 11 42.2 1999 20.8 9 28.4 20 24.0 9 35.7 30 39.6 27 37.7 11 38.6 19 42.6 24 36.6 8 36.2 11 29.6 25 26.8 30 42.6 2000 22.5 26 23.6 23 24.6 7 35.8 10 36.6 3 41.0 5 41.8 31 43.8 1 37.4 7 28.6 11 22.6 3 24.0 30 43.8 HIG. 30.0 26 30.5 24 35.0 31 39.0 28 43.5 25 46.0 26 45.0 21 45.0 19 42.0 7 40.0 13 35.4 2 34.0 11 46.0 YEAR 1966 1963 1965 1965 1961 1961 1962 1961 1996 1965 1983 1998 1961 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 10 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. 24 HOUR MAXIMUM PRECIPITATION. YEAR JAN. DAY FEB. DAY MAR. DAY APR. DAY MAY DAY JUNE DAY JULY DAY AUG. DAY SEP. DAY OCT. DAY NOV. DAY DEC. DAY ANNUAL 1961 21.0 8 2.0 15 32.0 27 9.0 16 0.0 ** 0.0 ** 2.0 31 11.0 1 17.0 28 15.0 22 8.0 13 11.5 24 32.0 1962 9.0 18 16.0 7 19.0 28 11.5 16 37.0 11 34.0 13 3.0 28 0.0 ** 2.0 19 10.5 12 15.5 2 9.5 27 37.0 1963 11.0 5 4.0 4 18.0 27 14.0 1 14.5 11 0.0 ** 6.0 27 5.0 1 1.0 8 16.5 2 15.0 5 7.0 2 18.0 1964 40.0 1 12.0 6 27.0 8 27.0 23 0.0 ** 7.0 16 0.0 ** 7.5 2 2.0 6 6.0 6 12.0 11 12.0 11 40.0 1965 10.0 19 14.5 15 18.5 3 18.0 2 54.5 4 0.0 ** 3.0 7 0.0 ** 7.0 6 6.0 17 25.0 10 25.0 21 54.5 1966 11.0 13 10.0 19 20.0 21 29.0 12 0.0 ** 0.0 ** 0.0 ** ***** ** 6.0 22 12.0 2 0.0 ** 14.5 22 ***** 1967 14.5 31 14.0 2 43.0 25 6.0 14 5.0 15 9.5 5 5.0 26 0.0 ** 23.5 24 25.0 22 14.0 29 ***** ** ***** 1968 17.0 1 14.0 24 28.0 23 25.6 25 76.0 23 9.6 9 11.2 12 7.4 19 0.0 ** 13.0 27 19.0 19 15.0 16 76.0 1969 25.0 25 16.0 14 19.4 1 48.0 14 10.0 7 6.2 28 5.8 17 14.8 9 5.0 11 19.8 14 32.0 17 15.8 25 48.0 1970 17.2 2 8.6 20 28.2 3 10.2 9 23.2 8 17.0 10 11.6 23 4.8 24 8.0 2 14.2 8 18.8 30 23.2 15 28.2 1971 6.1 15 19.0 14 36.0 21 13.2 4 2.4 30 24.0 19 0.0 ** 3.4 23 10.4 30 13.0 30 21.8 11 14.0 31 36.0 1972 7.2 23 16.8 11 17.8 3 9.8 25 38.7 10 7.6 7 15.8 15 21.9 2 3.0 11 38.0 7 4.1 6 22.0 2 38.7 1973 19.0 3 18.0 23 25.0 30 6.0 20 10.0 19 14.0 8 2.2 30 46.3 13 15.3 26 7.0 31 15.0 7 46.0 10 46.3 1974 18.3 25 28.3 16 14.7 4 26.8 2 30.3 6 2.6 29 19.8 20 17.4 29 39.8 9 12.7 1 9.3 6 19.3 25 39.8 1975 10.2 14 17.7 22 11.6 2 38.5 24 9.5 8 7.5 8 0.0 ** 0.2 16 0.0 ** 18.5 30 28.2 29 13.8 24 38.5 1976 8.5 1 26.0 2 16.5 8 24.0 26 18.5 7 14.8 13 5.8 20 50.3 17 12.1 14 25.0 5 19.3 30 11.2 1 50.3 1977 28.3 2 15.5 26 8.2 23 29.5 19 7.3 19 7.5 4 7.5 29 29.9 30 4.5 5 11.8 19 16.5 14 10.7 2 29.9 1978 19.0 22 26.5 12 21.5 7 19.5 15 49.5 2 14.5 2 0.0 ** 18.3 21 3.6 7 7.5 1 19.0 2 12.0 16 49.5 1979 10.5 23 12.0 21 11.0 28 21.0 30 18.0 7 4.5 9 0.0 ** 1.8 20 27.2 15 44.6 17 17.0 4 28.3 15 44.6 1980 23.2 7 45.7 19 11.8 15 4.0 14 9.5 6 3.7 18 0.0 ** 11.5 8 35.7 22 8.5 28 66.2 2 24.5 26 66.2 1981 10.5 19 12.9 27 21.5 4 35.0 1 40.0 17 0.0 ** 16.5 20 15.5 15 38.0 1 4.5 9 29.5 30 13.5 19 40.0 1982 30.0 30 9.5 6 10.5 27 4.5 2 9.0 9 ***** ** 18.4 20 17.0 11 4.5 12 27.5 3 34.5 27 8.5 26 ***** 1983 16.0 26 10.5 22 12.9 24 5.5 21 9.5 30 8.5 29 0.0 ** 4.5 16 11.5 3 17.5 5 8.5 25 33.5 12 33.5 1984 19.0 31 17.0 14 28.5 16 13.0 4 22.0 2 8.5 12 0.0 ** 2.0 29 3.0 2 17.5 7 21.5 14 16.5 15 28.5 1985 8.0 16 15.0 6 7.0 1 8.5 16 3.5 4 4.5 23 3.0 3 15.0 13 3.5 13 20.0 11 10.0 27 14.0 4 20.0 1986 14.5 5 20.0 11 18.5 20 8.0 23 2.5 5 0.0 ** 44.0 22 50.0 5 5.5 18 15.5 1 21.0 12 16.5 4 50.0 1987 14.5 7 24.5 11 45.5 31 32.0 2 33.6 6 0.0 ** 10.5 27 4.5 29 2.0 19 23.0 26 13.5 8 16.5 6 45.5 1988 17.0 7 12.5 3 11.5 16 10.5 9 5.0 3 ***** ** ***** ** ***** ** ***** ** ***** ** 15.5 20 ***** ** ***** 1989 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1990 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1991 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1992 11.1 4 ***** ** 30.5 25 27.6 19 81.2 14 40.8 12 4.2 11 15.0 8 8.5 4 7.9 15 ***** ** ***** ** ***** 1993 13.6 10 17.4 16 17.0 22 14.5 13 10.4 8 2.9 19 41.8 18 9.0 3 14.3 10 15.8 29 15.2 3 10.0 2 41.8 1994 35.2 6 13.1 9 27.0 13 6.0 3 12.9 6 13.4 29 4.9 26 14.1 27 15.0 3 9.4 9 13.4 26 24.2 21 35.2 1995 6.0 6 20.0 24 31.0 2 38.0 25 0.7 7 20.0 23 0.9 8 3.0 20 11.0 27 17.3 13 23.0 26 9.0 18 38.0 1996 15.1 9 9.0 11 15.0 15 16.0 15 6.0 25 19.1 26 2.0 29 5.0 30 29.0 23 26.0 31 25.8 12 9.0 15 29.0 1997 9.0 11 10.0 7 20.0 20 1.1 29 17.0 5 12.0 8 1.1 26 7.0 22 14.0 15 17.0 8 21.0 14 29.0 11 29.0 1998 15.0 14 10.0 28 16.0 30 27.0 24 7.0 1 2.0 4 48.0 24 11.0 10 35.0 11 11.0 2 6.0 29 4.0 25 48.0 1999 26.0 19 23.0 4 15.0 18 17.0 10 11.0 21 0.0 ** 19.0 13 4.0 8 19.0 28 34.0 13 12.2 28 10.0 5 34.0 2000 15.0 7 18.0 14 24.0 3 1.0 11 7.0 10 21.0 13 10.1 13 50.2 8 64.0 2 7.0 5 7.0 10 19.0 2 64.0 HIG. 40.0 1 45.7 19 45.5 31 48.0 14 81.2 14 40.8 12 48.0 24 50.3 17 64.0 2 44.6 17 66.2 2 46.0 10 81.2 YEAR 1964 1980 1987 1969 1992 1992 1998 1976 2000 1979 1980 1973 1992 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 11 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MONTHLY TOTAL PRECIPITATION WITH SEASONAL PERCENT. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL SEASONAL-PERCENT ----------------------- 1961 67.5 2.0 90.0 16.0 0.0 0.0 2.0 23.0 28.0 22.0 12.0 25.0 287.5 55.5 5.6 18.4 20.5 1962 38.0 18.0 38.0 40.5 44.0 70.0 3.0 0.0 2.0 18.5 42.5 19.0 333.5 28.2 46.3 1.5 24.0 1963 29.0 6.0 111.5 38.5 46.0 0.0 17.0 5.0 1.0 27.5 34.5 25.0 341.0 43.0 24.8 6.7 25.5 1964 53.0 48.0 72.5 112.0 0.0 7.0 0.0 9.5 4.0 11.0 46.5 41.5 405.0 42.8 29.4 3.3 24.4 1965 56.0 47.0 68.5 28.5 56.5 0.0 3.0 0.0 15.0 18.5 38.0 40.5 371.5 46.2 22.9 4.8 26.1 1966 27.0 35.0 105.1 138.2 0.0 0.0 0.0 ****** 6.0 26.0 0.0 39.0 ****** 44.4 36.7 1.6 17.3 1967 30.0 62.5 102.0 23.0 6.0 11.0 8.0 0.0 28.0 38.5 40.5 ****** ****** 55.7 11.4 10.3 22.6 1968 65.0 67.0 84.0 78.6 123.6 17.8 13.0 14.2 0.0 31.4 87.2 56.9 638.7 33.8 34.4 4.3 27.5 1969 109.2 49.4 81.0 124.8 49.4 18.2 13.8 23.4 19.6 30.4 80.8 97.8 697.8 34.3 27.6 8.1 30.0 1970 39.8 24.0 101.7 18.2 41.0 20.0 20.8 13.0 32.2 27.8 32.0 38.4 408.9 40.5 19.4 16.1 24.0 1971 17.1 69.4 96.8 62.6 8.0 33.2 0.0 5.6 10.4 31.8 57.6 38.0 430.5 42.6 24.1 3.7 29.6 1972 36.9 100.4 105.7 18.0 186.0 26.0 15.8 38.9 3.0 64.2 12.5 106.3 713.7 34.0 32.2 8.1 25.6 1973 78.0 59.8 113.0 22.0 24.0 42.6 2.2 46.3 30.5 11.5 33.5 91.0 554.4 45.2 16.0 14.2 24.5 1974 58.4 75.9 83.2 141.7 32.7 4.1 86.6 29.8 84.8 12.7 16.2 30.8 656.9 33.1 27.2 30.6 9.1 1975 38.1 46.1 44.9 76.2 23.0 7.5 0.0 0.2 0.0 25.5 76.5 33.7 371.7 34.7 28.7 0.1 36.5 1976 24.4 68.3 43.5 71.5 37.5 21.7 15.0 51.6 21.0 54.8 22.4 44.5 476.2 28.6 27.4 18.4 25.6 1977 73.9 27.9 35.7 55.4 29.9 20.4 14.6 41.2 10.8 48.4 36.9 52.4 447.5 30.7 23.6 14.9 30.8 1978 56.5 107.1 65.0 68.5 89.0 35.5 0.0 23.8 6.4 15.0 69.3 47.5 583.6 39.2 33.1 5.2 22.6 1979 53.5 105.3 37.0 107.1 56.7 6.0 0.0 4.5 45.2 50.1 32.0 86.1 583.5 33.6 29.1 8.5 28.8 1980 57.0 88.3 61.0 12.8 36.2 6.2 0.0 28.0 55.2 21.1 126.5 70.7 563.0 36.6 9.8 14.8 38.8 1981 34.3 52.1 92.4 74.5 83.5 0.0 47.9 30.0 59.1 11.5 73.5 39.5 598.3 29.9 26.4 22.9 20.8 1982 65.2 38.5 46.0 5.5 41.5 ****** 20.9 24.5 4.5 93.0 111.5 24.0 ****** 31.5 9.9 10.5 48.1 1983 65.0 21.0 58.4 17.5 21.0 12.0 0.0 13.5 28.5 17.5 20.0 90.0 364.4 39.6 13.9 11.5 35.0 1984 42.0 55.0 104.5 37.5 94.0 19.0 0.0 8.0 5.5 34.5 64.5 48.5 513.0 39.3 29.3 2.6 28.8 1985 33.0 85.5 25.0 18.0 3.5 4.5 7.5 26.5 6.0 49.0 24.0 54.0 336.5 42.6 7.7 11.9 37.7 1986 36.5 89.0 59.0 31.0 6.0 0.0 48.5 133.5 5.5 41.5 57.0 82.5 590.0 31.3 6.3 31.8 30.7 1987 45.0 78.5 167.5 97.6 38.6 0.0 17.5 10.0 2.0 81.0 44.1 66.5 648.3 44.9 21.0 4.6 29.6 1988 96.5 44.5 52.0 40.7 14.0 ****** ****** ****** ****** ****** 36.0 ****** ****** 68.0 19.3 ***** 12.7 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1992 36.1 ****** 103.8 116.1 193.2 55.9 13.4 59.1 18.2 11.2 ****** ****** ****** 23.0 60.2 14.9 1.8 1993 40.6 73.3 69.9 33.1 11.6 12.9 49.1 35.5 20.1 16.9 79.2 32.6 474.8 38.7 12.1 22.1 27.1 1994 106.2 50.1 62.1 9.0 28.7 40.8 4.9 31.7 39.4 48.2 41.0 65.0 527.1 41.4 14.9 14.4 29.3 1995 19.9 28.0 65.5 80.4 0.7 20.0 1.0 5.6 22.3 47.6 55.0 28.4 374.4 30.3 27.0 7.7 35.0 1996 29.9 35.5 71.1 56.2 20.8 37.1 2.4 7.1 31.0 53.0 35.8 14.2 394.1 34.6 29.0 10.3 26.1 1997 26.2 34.0 98.4 5.4 40.8 21.5 2.0 7.0 15.1 39.2 56.9 66.4 412.9 38.4 16.4 5.8 39.4 1998 85.0 52.3 35.4 76.3 26.0 2.2 87.3 36.3 49.9 29.2 7.0 12.2 499.1 34.6 20.9 34.8 9.7 1999 83.1 34.3 51.5 38.5 31.9 0.0 45.6 4.6 35.2 65.8 47.4 27.7 465.6 36.3 15.1 18.3 30.3 2000 53.7 80.5 74.8 1.0 10.2 29.8 10.1 58.0 99.4 30.7 9.3 57.2 514.7 40.6 8.0 32.5 18.9 MEAN 51.5 54.4 75.1 53.8 42.0 17.2 15.9 24.3 23.5 34.9 46.1 49.8 488.5 37.1 23.2 13.0 26.8 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 12 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 7 1 11 2 0 0 1 4 3 2 2 3 36 1962 6 2 3 7 4 5 1 0 1 3 5 4 41 1963 5 2 11 4 8 0 5 1 1 3 4 5 49 1964 4 5 6 9 0 1 0 2 2 2 6 5 42 1965 7 5 7 4 2 0 1 0 3 5 3 3 40 1966 4 7 7 9 0 0 0 *** 1 4 0 4 *** 1967 3 10 8 7 2 2 2 0 3 3 7 *** *** 1968 6 7 7 7 5 4 2 2 0 3 8 8 59 1969 12 6 13 11 9 5 3 3 6 5 9 9 91 1970 4 6 14 4 5 2 4 4 8 5 3 5 64 1971 6 9 10 9 4 3 0 2 1 6 7 8 65 1972 7 10 13 4 10 5 1 4 1 3 4 10 72 1973 9 4 13 6 5 8 1 1 6 2 5 6 66 1974 7 5 9 9 2 2 10 3 6 1 4 4 62 1975 7 5 7 5 5 1 0 1 0 5 7 4 47 1976 5 8 4 10 3 2 4 2 4 6 3 6 57 1977 13 5 8 7 11 5 6 5 4 9 5 9 87 1978 7 9 12 8 12 5 0 2 2 3 13 9 82 1979 8 15 7 15 6 2 0 3 3 2 5 6 72 1980 8 11 12 6 7 3 0 5 5 5 9 6 77 1981 6 11 10 8 7 0 8 4 3 4 4 4 69 1982 9 8 6 2 12 *** 2 5 1 12 13 5 *** 1983 8 3 8 5 4 2 0 5 7 1 5 7 55 1984 4 9 14 6 9 3 0 5 2 4 8 8 72 1985 10 11 7 3 1 1 4 4 2 6 4 7 60 1986 5 10 8 7 4 0 3 4 1 5 8 12 67 1987 4 8 18 11 4 0 4 3 1 9 6 8 76 1988 11 7 9 8 4 *** *** *** *** *** 8 *** *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 8 *** 12 15 14 6 7 11 4 4 *** *** *** 1993 9 13 11 10 4 9 6 6 5 3 13 10 99 1994 11 13 14 6 7 15 4 8 9 14 10 8 119 1995 11 4 9 11 1 1 2 3 7 8 3 7 67 1996 7 11 17 16 9 7 2 5 4 7 7 4 96 1997 12 9 14 8 8 8 6 1 3 7 8 7 91 1998 15 13 9 7 6 2 7 11 5 6 2 8 91 1999 9 4 13 9 11 0 9 4 9 7 12 8 95 2000 8 11 15 1 4 4 1 4 5 11 3 9 76 MEAN 8 8 10 7 6 3 3 4 4 5 6 7 71 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 13 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. NO. OF DAYS PRECIPITATION EQUAL OR MORE THAN 1 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 7 1 11 2 0 0 1 4 3 2 2 3 36 1962 6 2 3 7 4 5 1 0 1 3 5 4 41 1963 5 2 11 4 8 0 5 1 1 3 4 5 49 1964 4 5 6 9 0 1 0 2 2 2 6 5 42 1965 7 5 7 4 2 0 1 0 3 5 3 3 40 1966 4 7 7 9 0 0 0 *** 1 4 0 4 *** 1967 3 10 8 7 2 2 2 0 3 3 7 *** *** 1968 6 7 7 7 5 4 2 2 0 3 8 8 59 1969 11 6 13 11 9 5 3 3 6 5 9 9 90 1970 4 6 14 4 5 2 4 4 8 5 3 5 64 1971 6 9 10 9 4 3 0 2 1 6 7 8 65 1972 7 10 13 4 10 5 1 4 1 3 4 10 72 1973 9 4 13 6 5 8 1 1 6 2 5 6 66 1974 7 5 9 9 2 2 10 3 6 1 3 4 61 1975 7 5 7 5 3 1 0 0 0 4 7 4 43 1976 5 8 4 10 3 2 4 2 4 6 2 6 56 1977 12 5 8 6 9 5 3 5 4 9 4 9 79 1978 7 9 12 7 12 5 0 2 2 3 13 9 81 1979 8 15 7 15 6 2 0 3 3 2 5 6 72 1980 8 11 12 6 7 3 0 5 5 5 9 6 77 1981 6 11 10 8 7 0 5 4 3 4 4 4 66 1982 9 8 6 2 12 *** 2 5 1 12 13 5 *** 1983 8 3 8 5 4 2 0 5 7 1 5 7 55 1984 4 9 14 6 9 3 0 5 2 4 7 8 71 1985 10 11 7 3 1 1 4 4 2 6 4 7 60 1986 5 10 8 7 4 0 3 4 1 5 8 12 67 1987 4 8 18 11 4 0 4 3 1 9 6 8 76 1988 11 7 9 7 4 *** *** *** *** *** 8 *** *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 5 *** 12 12 11 4 5 9 3 3 *** *** *** 1993 6 11 8 6 1 5 6 5 4 1 11 7 71 1994 7 8 9 2 4 8 1 6 6 8 6 5 70 1995 6 4 7 9 0 1 0 2 5 5 3 5 47 1996 6 7 11 12 6 7 1 2 2 5 4 3 66 1997 7 6 12 3 4 5 1 1 2 6 8 5 60 1998 11 10 5 6 6 1 4 7 3 5 2 3 63 1999 7 2 11 5 4 0 7 1 6 6 9 3 61 2000 7 10 11 1 2 3 1 2 4 9 2 8 60 MEAN 7 7 9 7 5 3 2 3 3 5 6 6 63 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 14 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. NO. OF DAYS PRECIPITATION EQUAL OR MORE THAN 10 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 3 0 3 0 0 0 0 1 1 1 0 1 10 1962 0 1 2 1 1 2 0 0 0 1 1 0 9 1963 1 0 7 2 1 0 0 0 0 1 1 0 13 1964 1 3 3 6 0 0 0 0 0 0 2 2 17 1965 1 3 4 1 1 0 0 0 0 0 2 2 14 1966 1 1 6 6 0 0 0 *** 0 1 0 2 *** 1967 2 2 5 0 0 0 0 0 1 2 2 *** *** 1968 3 4 3 3 2 0 1 0 0 2 4 3 25 1969 4 2 2 3 1 0 0 1 0 1 2 6 22 1970 2 0 1 1 2 1 1 0 0 1 1 1 11 1971 0 3 4 3 0 1 0 0 1 1 2 1 16 1972 0 5 4 0 6 0 1 1 0 2 0 5 24 1973 2 4 4 0 1 1 0 1 2 0 2 3 20 1974 2 4 5 7 1 0 4 1 3 1 0 1 29 1975 1 2 2 2 0 0 0 0 0 1 4 1 13 1976 0 4 3 2 2 1 0 1 1 2 1 1 18 1977 2 1 0 1 0 0 0 1 0 2 1 2 10 1978 2 4 2 2 2 2 0 1 0 0 3 1 19 1979 3 3 1 4 3 0 0 0 2 1 1 4 22 1980 1 2 1 0 0 0 0 1 1 0 4 3 13 1981 1 1 5 2 3 0 2 1 3 0 3 2 23 1982 2 0 2 0 0 *** 1 1 0 3 4 0 *** 1983 2 1 3 0 0 0 0 0 1 1 0 2 10 1984 2 2 2 1 5 0 0 0 0 1 3 1 17 1985 0 3 0 0 0 0 0 1 0 3 1 2 10 1986 1 3 2 0 0 0 1 3 0 2 1 4 17 1987 3 4 6 4 1 0 1 0 0 4 2 4 29 1988 5 1 2 2 0 *** *** *** *** *** 1 *** *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 1 *** 3 4 2 1 0 3 0 0 *** *** *** 1993 2 4 3 1 1 0 1 0 1 1 3 1 18 1994 3 1 1 0 2 2 0 1 1 0 1 2 14 1995 0 1 2 3 0 1 0 0 1 3 3 0 14 1996 1 0 1 2 0 1 0 0 1 2 1 0 9 1997 0 1 4 0 2 1 0 0 1 2 2 3 16 1998 2 1 1 3 0 0 4 1 2 1 0 0 15 1999 4 2 3 2 1 0 2 0 1 2 1 1 19 2000 2 4 3 0 0 1 1 1 2 0 0 3 17 MEAN 2 2 3 2 1 0 1 1 1 1 2 2 18 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 15 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 91 88 84 88 78 71 81 87 86 83 83 86 84 1962 87 82 80 85 81 77 72 78 75 82 87 79 80 1963 82 79 83 83 81 70 78 75 78 83 84 84 80 1964 81 80 82 81 70 67 74 80 84 77 71 71 77 1965 88 78 80 79 79 71 71 74 78 82 78 80 78 1966 72 81 82 58 58 53 46 *** 49 72 76 74 *** 1967 75 82 82 79 72 65 75 77 75 78 83 *** *** 1968 72 77 84 87 78 77 72 74 71 75 88 82 78 1969 83 85 89 86 84 68 65 77 75 81 84 87 80 1970 90 82 84 80 73 70 68 78 79 82 82 87 80 1971 91 86 82 84 77 71 69 72 74 80 84 82 79 1972 89 83 83 78 80 78 70 79 81 81 84 90 81 1973 86 80 82 84 80 82 72 75 85 83 82 87 82 1974 86 81 84 86 81 75 85 83 87 82 86 82 83 1975 80 82 82 83 83 84 82 85 81 84 86 85 83 1976 83 84 80 84 83 81 85 81 86 87 85 84 84 1977 87 82 76 82 80 82 85 86 87 83 83 80 83 1978 78 78 83 86 86 84 84 87 88 83 84 89 84 1979 85 85 89 89 88 80 81 83 87 84 86 86 85 1980 80 83 85 86 83 80 78 84 88 87 89 88 84 1981 86 89 89 86 82 81 84 83 81 81 84 85 84 1982 86 82 81 78 80 *** 77 81 81 82 86 82 *** 1983 78 78 79 76 79 77 79 83 83 80 82 83 80 1984 83 81 80 79 76 78 77 85 86 78 82 81 81 1985 81 80 80 77 71 78 80 77 81 79 81 79 79 1986 78 74 76 77 74 77 81 81 82 75 78 72 77 1987 73 75 75 75 77 80 77 80 80 77 77 74 77 1988 70 70 70 69 72 *** *** *** *** *** 83 *** *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 87 *** 91 92 88 86 90 90 87 88 *** *** *** 1993 89 93 89 90 90 82 85 88 91 82 96 93 89 1994 93 89 95 93 86 88 80 87 87 89 89 82 88 1995 87 87 87 85 77 71 80 83 85 89 82 84 83 1996 93 85 92 93 88 81 76 78 80 83 92 79 85 1997 88 87 90 83 77 83 83 85 82 83 94 86 85 1998 91 90 88 89 78 69 80 85 88 85 86 85 85 1999 87 85 90 90 85 79 80 76 85 84 89 87 85 2000 86 86 90 86 85 70 69 79 88 88 87 91 84 MEAN 84 82 84 83 79 76 77 81 82 82 84 83 81 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 16 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 76 64 65 57 43 41 53 55 58 51 53 58 56 1962 64 57 51 60 46 47 43 48 45 61 74 62 55 1963 60 59 55 62 55 41 49 46 52 60 63 76 57 1964 64 57 69 66 44 38 48 56 53 43 38 38 51 1965 72 55 68 52 49 41 44 45 45 54 57 58 53 1966 54 68 60 55 58 48 41 *** 47 51 45 51 *** 1967 50 58 52 52 41 40 46 46 46 48 55 *** *** 1968 53 57 63 66 50 48 43 43 40 43 66 66 53 1969 68 71 74 66 54 39 38 46 53 56 63 66 58 1970 65 60 66 55 43 44 41 59 58 52 55 62 55 1971 62 56 54 56 48 42 40 40 42 43 60 59 50 1972 72 68 68 48 61 44 44 46 49 48 52 69 56 1973 62 54 60 58 47 51 47 49 58 59 69 69 57 1974 73 69 68 64 56 45 59 48 46 32 44 56 55 1975 64 64 53 52 49 40 43 51 55 51 57 70 54 1976 68 68 61 55 62 51 57 48 50 52 43 49 55 1977 63 51 43 37 46 52 51 50 69 55 40 57 51 1978 67 67 69 71 65 55 46 50 73 72 51 40 61 1979 39 41 35 32 34 44 53 48 47 50 39 43 42 1980 53 54 65 61 54 60 63 57 58 54 45 45 56 1981 47 51 47 56 65 63 69 76 61 56 54 49 58 1982 57 62 60 60 59 *** 49 61 49 51 58 57 *** 1983 64 64 54 44 41 55 52 54 47 42 48 55 52 1984 57 59 64 61 59 56 43 56 65 56 55 62 58 1985 63 65 63 57 57 52 56 58 52 58 46 59 57 1986 58 53 62 52 59 65 67 65 62 43 51 54 58 1987 54 52 52 49 54 65 61 57 60 46 45 55 54 1988 62 55 52 51 57 *** *** *** *** *** 56 *** *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 67 *** 70 76 63 51 59 59 49 49 *** *** *** 1993 63 73 59 68 55 52 53 53 55 43 72 73 60 1994 71 68 75 60 52 59 51 56 50 58 63 63 61 1995 65 60 65 58 44 42 52 54 48 52 50 61 54 1996 69 60 74 72 56 51 45 46 46 47 58 53 56 1997 61 59 61 50 43 47 55 52 49 52 65 62 55 1998 75 65 58 58 43 37 51 55 55 49 56 62 55 1999 62 54 65 59 52 48 47 45 53 55 64 64 56 2000 66 66 62 52 54 42 39 49 58 57 57 68 56 MEAN 62 60 61 57 52 48 50 52 53 51 55 59 55 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 17 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 86 77 77 79 64 52 65 78 74 71 73 76 73 1962 80 75 70 75 68 62 57 61 59 72 80 70 69 1963 69 67 73 74 71 55 58 56 62 75 76 79 68 1964 76 66 76 77 60 51 61 65 64 53 59 60 64 1965 78 65 75 65 64 54 55 57 60 64 68 72 65 1966 71 77 77 75 68 58 50 *** 57 74 65 71 *** 1967 63 75 67 67 53 50 54 49 54 61 70 *** *** 1968 56 70 75 77 60 60 51 54 58 59 75 75 64 1969 81 80 84 77 70 50 48 53 59 63 74 76 68 1970 79 75 76 63 54 56 48 66 61 66 67 73 65 1971 68 60 64 67 63 54 47 50 51 60 74 71 61 1972 79 79 72 55 73 54 50 54 53 68 65 84 66 1973 74 66 69 62 54 56 52 55 *** 64 79 81 *** 1974 82 76 75 68 64 49 59 45 47 31 42 63 58 1975 68 65 58 54 50 41 42 52 54 49 55 72 55 1976 72 72 64 58 60 54 54 50 46 50 40 55 56 1977 66 55 42 35 43 49 47 41 69 54 43 63 51 1978 74 73 77 72 68 55 41 48 71 71 59 47 63 1979 44 44 35 31 31 40 49 44 45 46 37 45 41 1980 56 63 74 66 52 57 66 56 55 59 49 48 58 1981 62 57 52 58 70 62 74 82 56 59 53 53 62 1982 62 71 70 64 62 *** 46 62 48 51 74 67 *** 1983 70 72 68 51 36 52 49 47 41 47 52 65 54 1984 63 65 67 62 61 58 44 47 74 63 64 62 61 1985 66 66 70 62 57 49 51 54 52 58 56 57 58 1986 63 61 69 61 60 69 65 65 59 38 49 60 60 1987 61 65 62 57 57 61 60 55 58 50 49 58 58 1988 63 68 65 55 58 *** *** *** *** *** 72 *** *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 78 *** 74 85 75 59 62 65 60 62 *** *** *** 1993 76 80 66 74 61 54 54 59 63 42 83 85 66 1994 87 75 84 70 57 62 54 62 60 57 78 81 69 1995 76 72 71 75 49 47 53 60 57 70 72 79 65 1996 81 72 81 79 63 56 49 51 56 63 77 72 67 1997 74 72 71 56 49 52 59 57 62 67 84 81 65 1998 86 78 68 70 52 41 52 59 67 67 70 73 65 1999 76 67 72 68 60 52 53 50 57 67 78 81 65 2000 74 74 76 60 62 46 40 50 66 66 66 82 64 MEAN 71 69 69 65 59 54 53 56 58 59 65 69 62 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 18 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. NO. OF DAYS MINIMUM TEMPERATURE EQUAL OR LESS THAN -4 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 1 1 0 0 0 0 0 0 0 0 0 0 2 1962 0 0 0 0 0 0 0 0 0 0 0 0 0 1963 0 0 0 0 0 0 0 0 0 0 0 5 5 1964 11 *** *** *** 0 0 0 0 0 0 1 2 *** 1965 19 *** 1 0 0 0 0 0 0 0 0 5 *** 1966 0 0 0 0 0 0 0 *** 0 0 0 0 *** 1967 0 4 0 0 0 0 0 0 0 0 0 *** *** 1968 0 1 0 0 0 0 0 0 0 0 0 0 1 1969 14 6 0 0 0 0 0 0 0 0 0 0 20 1970 0 0 0 0 0 0 0 0 0 0 0 0 0 1971 2 0 0 0 0 0 0 0 0 0 0 0 2 1972 6 13 0 0 0 0 0 0 0 0 0 2 21 1973 7 0 0 0 0 0 0 0 0 0 0 0 7 1974 1 1 0 0 0 0 0 0 0 0 0 0 2 1975 0 0 0 0 0 0 0 0 0 0 0 0 0 1976 0 4 0 0 0 0 0 0 0 0 0 0 4 1977 8 0 0 0 0 0 0 0 0 0 0 0 8 1978 0 0 0 0 0 0 0 0 0 0 0 0 0 1979 0 0 0 0 0 0 0 0 0 0 0 0 0 1980 2 0 0 0 0 0 0 0 0 0 0 0 2 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 0 0 0 0 0 *** 0 0 0 0 0 0 *** 1983 3 0 0 0 0 0 0 0 0 0 0 0 3 1984 0 1 0 0 0 0 0 0 0 0 0 0 1 1985 0 0 0 0 0 0 0 0 0 0 0 0 0 1986 0 0 0 0 0 0 0 0 0 0 0 1 1 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 1 0 0 0 0 *** *** *** *** *** 0 *** *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 4 *** 0 0 0 0 0 0 0 0 *** *** *** 1993 0 1 0 0 0 0 0 0 0 0 *** 0 *** 1994 0 1 0 0 0 0 0 0 0 0 0 0 1 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 0 1 0 0 0 0 0 0 0 0 0 0 1 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 1 0 0 0 0 0 0 0 0 0 0 0 1 MEAN 2 1 0 0 0 0 0 0 0 0 0 0 3 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 19 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. NO. OF DAYS MINIMUM TEMPERATURE EQUAL OR MORE THAN 21 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 0 0 0 0 0 5 24 16 7 0 0 0 52 1962 0 0 0 0 0 4 25 18 3 0 0 0 50 1963 0 0 0 0 1 5 20 19 7 0 0 0 52 1964 0 *** *** *** 0 0 0 0 1 0 0 0 *** 1965 0 *** 0 0 0 0 1 0 0 0 0 0 *** 1966 0 0 0 0 6 30 31 *** 16 1 0 0 *** 1967 0 0 0 0 0 0 13 22 8 0 0 *** *** 1968 0 0 0 0 0 0 8 8 5 0 0 0 21 1969 0 0 0 0 0 0 7 13 4 0 0 0 24 1970 0 0 0 0 0 5 11 21 5 0 0 0 42 1971 0 0 0 0 1 3 28 28 9 0 0 0 69 1972 0 0 0 0 0 14 26 10 9 1 0 0 60 1973 0 0 0 0 0 4 0 0 2 0 0 0 6 1974 0 0 0 0 2 7 16 18 1 0 0 0 44 1975 0 0 0 0 1 15 30 21 8 0 0 0 75 1976 0 0 0 0 0 19 27 31 15 0 0 0 92 1977 0 0 0 0 0 7 11 14 5 0 0 0 37 1978 0 0 0 0 0 1 23 21 15 0 0 0 60 1979 0 0 0 0 0 10 25 17 5 0 0 0 57 1980 0 0 0 0 0 1 17 5 0 0 0 0 23 1981 0 0 0 0 0 11 27 21 5 0 0 0 64 1982 0 0 0 0 0 *** 19 9 6 0 0 0 *** 1983 0 0 0 0 0 10 29 23 0 0 0 0 62 1984 0 0 0 0 0 1 23 26 0 0 0 0 50 1985 0 0 0 0 0 2 4 8 1 0 0 0 15 1986 0 0 0 0 0 1 15 10 1 0 0 0 27 1987 0 0 0 0 0 12 19 16 0 0 0 0 47 1988 0 0 0 0 0 *** *** *** *** *** 0 *** *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 0 *** 0 0 0 10 20 9 2 0 *** *** *** 1993 0 0 0 0 0 9 11 26 8 0 *** 0 *** 1994 0 0 0 0 0 6 24 31 2 0 0 0 63 1995 0 0 1 0 0 9 28 31 14 1 0 0 84 1996 0 0 0 0 2 5 28 26 10 0 0 0 71 1997 0 0 0 0 1 16 31 29 8 1 0 0 86 1998 0 0 0 0 1 22 28 29 9 0 0 0 89 1999 0 0 0 0 0 7 15 31 11 1 0 0 65 2000 0 0 0 0 1 7 28 30 20 0 0 0 86 MEAN 0 0 0 0 0 7 19 18 6 0 0 0 50 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 20 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. NO. OF DAYS MAXIMUM TEMPERATURE EQUAL OR LESS THAN 0 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 0 0 0 0 0 0 0 0 0 0 0 0 0 1962 0 0 0 0 0 0 0 0 0 0 0 0 0 1963 0 0 0 0 0 0 0 0 0 0 0 0 0 1964 0 0 0 *** 0 0 0 0 0 0 0 0 *** 1965 0 0 0 0 0 0 0 0 0 0 0 0 0 1966 0 0 0 0 0 0 0 *** 0 0 0 0 *** 1967 0 0 0 0 0 0 0 0 0 0 0 *** *** 1968 0 0 0 0 0 0 0 0 0 0 0 0 0 1969 6 2 0 0 0 0 0 0 0 0 0 0 8 1970 0 0 0 0 0 0 0 0 0 0 0 0 0 1971 0 0 0 0 0 0 0 0 0 0 0 0 0 1972 5 3 0 0 0 0 0 0 0 0 0 0 8 1973 1 0 0 0 0 0 0 0 0 0 0 0 1 1974 0 0 0 0 0 0 0 0 0 0 0 0 0 1975 0 0 0 0 0 0 0 0 0 0 0 0 0 1976 0 0 0 0 0 0 0 0 0 0 0 0 0 1977 0 0 0 0 0 0 0 0 0 0 0 0 0 1978 0 0 0 0 0 0 0 0 0 0 0 0 0 1979 0 0 0 0 0 0 0 0 0 0 0 0 0 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 1 0 0 0 0 *** 0 0 0 0 0 0 *** 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 0 1 0 0 0 0 0 0 0 0 0 0 1 1985 0 0 0 0 0 0 0 0 0 0 0 0 0 1986 0 0 0 0 0 0 0 0 0 0 0 0 0 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 *** *** *** *** *** 0 *** *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 0 *** 0 0 0 0 0 0 0 0 *** *** *** 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 1 0 0 0 0 0 0 0 0 0 0 1 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 21 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. NO. OF DAYS MAXIMUM TEMPERATURE EQUAL OR MORE THAN 30 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 0 0 0 6 25 28 30 29 22 3 1 0 144 1962 0 0 2 0 20 26 31 28 27 12 0 1 147 1963 0 2 3 3 14 26 29 31 26 9 0 0 143 1964 0 0 0 *** 24 29 29 30 23 5 4 6 *** 1965 0 0 2 5 18 29 31 31 23 10 4 0 153 1966 1 0 0 2 11 30 31 *** 27 5 2 0 *** 1967 1 0 2 3 22 27 29 31 23 4 0 *** *** 1968 0 0 0 1 10 19 30 30 26 11 0 0 127 1969 0 0 0 1 10 22 26 30 17 4 1 0 111 1970 0 0 2 5 17 22 28 21 14 4 2 0 115 1971 0 0 2 5 15 20 31 31 29 4 0 0 137 1972 0 0 1 7 5 27 30 28 28 17 2 0 145 1973 0 0 1 3 12 19 26 30 19 1 1 0 112 1974 0 0 1 6 21 25 23 30 19 3 2 0 130 1975 0 0 0 5 18 30 31 25 27 3 0 0 139 1976 0 0 0 0 5 21 23 31 25 5 1 0 111 1977 0 0 2 10 12 28 25 22 23 2 0 0 124 1978 0 0 0 0 0 17 27 24 17 3 0 0 88 1979 0 0 0 0 10 28 31 30 27 14 6 0 146 1980 0 0 0 0 14 29 31 28 25 6 0 0 133 1981 0 0 0 0 5 30 28 29 23 9 1 0 125 1982 0 0 0 6 10 *** 30 23 24 2 0 0 *** 1983 0 0 0 3 18 26 31 30 27 2 1 0 138 1984 0 0 0 2 4 19 31 28 10 0 0 0 94 1985 0 0 0 2 18 30 31 31 30 4 0 0 146 1986 0 0 0 1 10 29 29 30 29 9 0 0 137 1987 0 0 0 2 18 30 31 31 23 2 0 0 137 1988 0 0 0 1 14 *** *** *** *** *** 2 *** *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 0 *** 0 2 7 24 28 20 24 7 *** *** *** 1993 0 0 0 5 13 19 12 29 20 2 0 0 100 1994 0 0 0 6 16 15 27 26 16 1 0 0 107 1995 0 0 1 7 17 26 30 31 22 3 3 0 140 1996 0 0 0 1 15 22 29 30 24 6 0 0 127 1997 0 0 0 5 16 27 28 31 15 15 0 0 137 1998 0 0 0 4 14 30 29 31 19 8 1 3 139 1999 0 0 0 2 12 29 28 31 19 9 0 0 130 2000 0 0 0 9 16 23 31 29 22 0 0 0 130 MEAN 0 0 1 3 14 25 28 29 23 6 1 0 130 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 22 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. NO. OF DAYS MAXIMUM TEMPERATURE EQUAL OR MORE THAN 40 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 0 0 0 0 5 10 8 8 0 0 0 0 31 1962 0 0 0 0 1 2 14 6 2 0 0 0 25 1963 0 0 0 0 0 6 9 1 0 0 0 0 16 1964 0 0 0 *** 2 4 1 0 0 0 0 0 *** 1965 0 0 0 0 0 1 7 3 1 1 0 0 13 1966 0 0 0 0 0 5 14 *** 0 0 0 0 *** 1967 0 0 0 0 0 4 0 0 0 0 0 *** *** 1968 0 0 0 0 0 0 1 2 2 0 0 0 5 1969 0 0 0 0 0 2 2 0 0 0 0 0 4 1970 0 0 0 0 1 0 0 0 0 0 0 0 1 1971 0 0 0 0 0 0 1 0 0 0 0 0 1 1972 0 0 0 0 0 1 0 3 0 0 0 0 4 1973 0 0 0 0 2 1 1 1 0 0 0 0 5 1974 0 0 0 0 0 0 1 0 0 0 0 0 1 1975 0 0 0 0 0 2 5 1 0 0 0 0 8 1976 0 0 0 0 0 1 1 3 1 0 0 0 6 1977 0 0 0 0 0 2 0 5 0 0 0 0 7 1978 0 0 0 0 0 0 16 4 0 0 0 0 20 1979 0 0 0 0 0 4 6 1 0 0 0 0 11 1980 0 0 0 0 0 1 8 2 0 0 0 0 11 1981 0 0 0 0 0 0 2 1 0 0 0 0 3 1982 0 0 0 0 0 *** 5 0 0 0 0 0 *** 1983 0 0 0 0 0 2 7 2 0 0 0 0 11 1984 0 0 0 0 0 0 3 0 0 0 0 0 3 1985 0 0 0 0 0 1 0 2 0 0 0 0 3 1986 0 0 0 0 0 0 8 1 0 0 0 0 9 1987 0 0 0 0 1 7 5 2 0 0 0 0 15 1988 0 0 0 0 0 *** *** *** *** *** 0 *** *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 0 *** 0 0 0 1 0 0 0 0 *** *** *** 1993 0 0 0 0 0 3 0 1 0 0 0 0 4 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 3 0 0 0 0 0 0 3 1996 0 0 0 0 1 0 1 1 2 0 0 0 5 1997 0 0 0 0 2 1 1 2 2 0 0 0 8 1998 0 0 0 0 1 2 0 3 0 0 0 0 6 1999 0 0 0 0 0 0 0 7 0 0 0 0 7 2000 0 0 0 0 0 1 3 4 0 0 0 0 8 MEAN 0 0 0 0 0 2 4 2 0 0 0 0 8 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 23 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. NO. OF DAYS MAXIMUM TEMPERATURE EQUAL OR MORE THAN 45 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 0 0 0 0 0 2 0 1 0 0 0 0 3 1962 0 0 0 0 0 0 2 0 0 0 0 0 2 1963 0 0 0 0 0 0 0 0 0 0 0 0 0 1964 0 0 0 *** 0 0 0 0 0 0 0 0 *** 1965 0 0 0 0 0 0 0 0 0 0 0 0 0 1966 0 0 0 0 0 0 0 *** 0 0 0 0 *** 1967 0 0 0 0 0 0 0 0 0 0 0 *** *** 1968 0 0 0 0 0 0 0 0 0 0 0 0 0 1969 0 0 0 0 0 0 0 0 0 0 0 0 0 1970 0 0 0 0 0 0 0 0 0 0 0 0 0 1971 0 0 0 0 0 0 0 0 0 0 0 0 0 1972 0 0 0 0 0 0 0 0 0 0 0 0 0 1973 0 0 0 0 0 0 0 0 0 0 0 0 0 1974 0 0 0 0 0 0 0 0 0 0 0 0 0 1975 0 0 0 0 0 0 0 0 0 0 0 0 0 1976 0 0 0 0 0 0 0 0 0 0 0 0 0 1977 0 0 0 0 0 0 0 0 0 0 0 0 0 1978 0 0 0 0 0 0 0 0 0 0 0 0 0 1979 0 0 0 0 0 0 0 0 0 0 0 0 0 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 0 0 0 0 0 *** 0 0 0 0 0 0 *** 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 1985 0 0 0 0 0 0 0 0 0 0 0 0 0 1986 0 0 0 0 0 0 0 0 0 0 0 0 0 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 *** *** *** *** *** 0 *** *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 0 *** 0 0 0 0 0 0 0 0 *** *** *** 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 1 0 0 0 0 0 0 1 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 24 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. NO. OF FREEZING DAYS , DATE OF START AND END FREEZING START END YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MO DAY MO DAY -------------- 1961 13 11 1 0 0 0 0 0 0 0 0 5 30 12 26 3 13 1962 19 2 0 0 0 0 0 0 0 0 7 0 28 11 16 2 23 1963 1 1 1 0 0 0 0 0 0 0 0 12 15 12 2 3 8 1964 29 *** *** *** 0 0 0 0 0 0 15 14 *** 11 2 1 31 1965 28 *** 11 5 0 0 0 0 0 0 3 22 *** 11 22 4 15 1966 0 2 3 0 0 0 0 *** 0 0 1 2 *** 11 29 3 15 1967 13 17 8 1 0 0 0 0 0 0 0 *** *** 1 1 4 2 1968 6 12 0 0 0 0 0 0 0 0 0 0 18 1 18 2 25 1969 23 20 2 0 0 0 0 0 0 0 1 0 46 11 19 3 25 1970 5 2 0 0 0 0 0 0 0 0 0 10 17 12 15 2 3 1971 17 5 0 0 0 0 0 0 0 0 0 6 28 12 19 2 17 1972 25 22 3 0 0 0 0 0 0 0 0 14 64 12 18 3 21 1973 26 3 1 0 0 0 0 0 0 0 0 13 43 12 13 3 10 1974 17 9 1 0 0 0 0 0 0 0 0 5 32 12 25 3 10 1975 13 5 5 0 0 0 0 0 0 0 1 11 35 11 16 3 10 1976 3 15 6 0 0 0 0 0 0 0 1 6 31 11 22 3 13 1977 23 4 0 0 0 0 0 0 0 0 0 12 39 12 13 2 5 1978 7 9 0 0 0 0 0 0 0 0 0 2 18 12 25 2 26 1979 7 5 0 0 0 0 0 0 0 0 0 3 15 12 22 2 22 1980 15 4 0 0 0 0 0 0 0 0 0 0 19 1 12 2 26 1981 0 2 0 1 0 0 0 0 0 0 0 0 3 2 4 4 2 1982 3 12 1 0 0 *** 0 0 0 0 0 14 *** 12 7 3 29 1983 14 8 0 0 0 0 0 0 0 0 0 11 33 12 16 2 28 1984 7 17 0 0 0 0 0 0 0 0 0 15 39 12 2 2 27 1985 3 7 9 0 0 0 0 0 0 0 0 5 24 12 15 3 11 1986 9 1 7 0 0 0 0 0 0 0 0 8 25 12 10 3 17 1987 1 6 0 0 0 0 0 0 0 0 1 6 14 11 30 2 18 1988 8 8 0 0 0 *** *** *** *** *** 0 *** *** 1 3 2 28 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1992 16 *** 7 0 0 0 0 0 0 0 *** *** *** 1 4 3 26 1993 11 8 5 0 0 0 0 0 0 0 *** 3 *** 12 1 3 17 1994 4 8 0 0 0 0 0 0 0 0 0 9 21 12 7 2 22 1995 1 2 1 0 0 0 0 0 0 0 0 5 9 12 12 3 7 1996 11 6 0 0 0 0 0 0 0 0 0 4 21 12 3 2 28 1997 8 8 3 0 0 0 0 0 0 0 0 1 20 12 19 3 12 1998 2 8 3 0 0 0 0 0 0 0 0 0 13 1 4 3 6 1999 8 0 1 0 0 0 0 0 0 0 0 0 9 1 2 3 19 2000 8 1 0 0 0 0 0 0 0 0 0 0 9 1 10 2 9 MEAN 11 7 2 0 0 0 0 0 0 0 1 6 27 11 2 4 15 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 25 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 7.6 8.3 10.7 15.8 25.6 29.0 29.6 28.1 25.1 18.8 14.9 12.0 18.8 1962 7.8 11.0 14.1 16.2 22.7 27.0 30.8 29.2 25.1 19.0 12.1 11.0 18.8 1963 11.1 11.7 12.0 17.3 21.6 27.0 28.9 28.9 25.9 20.7 12.7 8.4 18.8 1964 3.8 9.8 10.5 13.2 23.7 28.9 28.2 27.6 25.1 18.7 16.0 16.0 18.4 1965 7.0 9.9 11.6 16.2 22.4 28.0 30.2 30.0 25.2 20.0 15.9 11.3 19.0 1966 12.8 11.5 12.7 18.9 21.7 29.3 32.8 ****** 28.0 19.5 15.2 12.3 ****** 1967 10.2 7.0 11.4 16.1 23.2 26.2 28.1 29.9 25.7 19.8 16.0 ****** ****** 1968 10.9 8.7 11.9 14.0 22.8 24.6 28.2 28.4 26.6 21.4 15.0 11.1 18.6 1969 2.5 3.7 8.9 13.6 20.1 25.2 26.8 28.0 24.5 19.1 11.5 11.1 16.3 1970 8.7 10.2 12.1 17.1 23.5 24.7 27.9 27.4 23.9 19.4 15.3 8.8 18.2 1971 7.3 9.5 13.1 15.7 22.9 25.6 29.3 29.0 26.6 20.1 15.3 10.9 18.8 1972 2.9 3.2 8.7 18.4 19.7 27.7 30.2 27.5 26.3 22.1 15.8 6.2 17.4 1973 4.2 10.8 11.1 16.5 22.2 24.9 28.1 30.7 ****** 20.5 12.4 8.1 ****** 1974 5.0 6.3 10.5 14.6 23.2 28.0 27.8 28.9 25.7 20.9 17.7 12.5 18.4 1975 8.6 8.0 11.6 18.2 24.2 29.5 30.6 29.5 27.9 19.0 11.5 7.7 18.9 1976 9.0 5.5 8.8 15.1 20.8 26.1 27.4 30.0 27.2 20.7 13.5 9.8 17.8 1977 4.0 10.2 14.8 19.3 21.2 27.8 27.7 28.3 26.7 17.3 14.8 8.6 18.4 1978 8.1 7.7 11.0 15.5 18.3 24.9 32.2 29.5 25.6 22.1 12.6 13.1 18.4 1979 12.8 13.6 16.8 16.1 20.0 29.3 32.0 30.4 27.8 23.7 19.8 13.0 21.3 1980 6.9 7.7 9.9 14.3 22.5 27.8 31.1 29.0 24.7 21.3 16.6 12.4 18.7 1981 12.5 11.5 12.8 15.8 21.2 28.2 30.0 30.3 25.8 20.3 14.6 13.7 19.7 1982 8.7 6.3 9.4 18.2 20.8 ****** 30.0 25.8 25.2 17.2 8.8 6.5 ****** 1983 5.3 7.7 10.0 16.6 23.8 27.8 30.8 28.9 25.6 18.4 14.6 9.0 18.2 1984 7.8 4.1 8.3 16.4 17.9 24.8 30.9 28.0 23.7 14.7 13.6 5.7 16.3 1985 6.4 7.3 7.4 15.9 23.1 27.6 26.9 28.5 25.9 18.9 13.9 8.6 17.5 1986 7.1 7.8 7.0 13.8 20.6 26.8 29.2 28.1 26.3 20.5 11.5 7.1 17.1 1987 9.4 7.8 9.0 13.6 22.9 28.7 29.4 28.3 23.8 15.7 12.9 8.0 17.5 1988 5.8 6.8 11.1 16.0 20.7 ****** ****** ****** ****** ****** 14.0 ****** ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 5.7 ****** 9.1 14.9 19.1 26.6 28.0 25.5 24.2 18.3 ****** ****** ****** 1993 7.0 6.1 10.8 16.1 22.0 26.7 28.3 28.9 25.3 18.9 9.9 8.7 17.4 1994 8.1 6.3 10.2 17.3 23.0 24.8 27.9 28.0 23.4 18.0 15.0 7.6 17.5 1995 9.5 9.4 12.1 18.1 24.4 28.3 29.7 29.5 25.8 17.8 15.2 8.9 19.1 1996 6.3 8.3 8.8 14.3 23.8 26.3 30.5 29.7 26.6 19.3 12.1 10.8 18.1 1997 8.8 7.5 9.8 18.0 23.8 29.0 29.4 30.6 25.2 21.9 12.6 9.8 18.9 1998 6.6 6.8 11.8 18.3 23.5 30.7 29.6 29.7 24.9 18.9 15.2 11.9 19.0 1999 8.3 12.2 11.6 16.6 21.6 27.8 28.9 31.8 25.5 20.7 12.3 10.7 19.0 2000 7.7 9.4 10.7 20.6 23.7 27.4 31.2 30.9 26.4 18.7 12.6 10.7 19.2 MEAN 7.6 8.3 10.9 16.3 22.1 27.2 29.4 28.9 25.6 19.5 14.0 10.1 18.3 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 26 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 4.7 3.9 6.1 10.8 16.6 18.1 22.1 22.1 19.4 12.3 8.7 6.8 12.6 1962 3.6 5.2 7.2 10.7 14.9 18.2 20.8 20.5 15.9 13.1 8.5 4.8 12.0 1963 5.1 5.4 5.6 12.2 15.1 16.2 19.9 19.5 18.1 15.1 7.8 4.5 12.1 1964 -1.0 3.0 6.2 8.1 14.3 17.4 19.4 20.4 17.9 9.1 5.8 5.9 10.5 1965 3.3 3.0 6.7 8.6 14.2 17.2 19.9 20.3 16.1 12.7 8.9 5.2 11.4 1966 5.4 6.8 7.4 11.0 13.3 18.0 18.8 ****** 16.4 12.2 7.3 5.0 ****** 1967 2.4 1.4 4.2 8.8 12.7 14.5 18.5 20.0 16.0 11.6 9.7 ****** ****** 1968 2.2 2.5 7.0 9.5 14.6 15.9 17.5 18.2 16.1 12.1 10.5 6.1 11.0 1969 -1.5 -0.1 5.7 8.9 13.3 13.2 14.3 18.5 16.0 12.1 6.5 6.5 9.5 1970 4.5 4.8 7.0 9.8 13.0 14.7 16.5 20.4 16.5 12.2 8.8 3.9 11.0 1971 2.2 2.7 5.8 8.8 14.6 15.1 17.7 18.0 16.1 11.1 9.9 5.2 10.6 1972 -0.6 -1.3 3.9 9.5 13.9 18.2 19.7 18.0 17.4 14.6 8.8 2.8 10.4 1973 -0.4 4.1 5.3 10.0 12.9 16.5 18.0 21.3 ****** 14.0 8.0 4.2 ****** 1974 1.8 2.0 5.8 8.9 16.1 17.7 20.2 18.9 16.4 7.5 7.5 5.9 10.7 1975 3.4 2.6 4.4 9.8 14.8 18.4 19.7 20.8 19.7 10.1 4.5 3.5 11.0 1976 4.5 1.1 3.0 8.3 14.4 17.2 19.6 20.6 18.0 12.0 3.3 2.3 10.3 1977 -0.9 2.7 4.4 7.4 11.0 18.9 18.5 18.3 21.7 9.7 4.5 2.3 9.9 1978 3.4 3.0 6.9 11.2 13.1 17.1 21.2 20.1 21.1 17.4 5.6 4.0 12.0 1979 3.0 4.0 5.5 3.5 7.3 18.2 23.0 20.2 18.2 14.2 8.4 3.3 10.7 1980 -0.1 1.5 5.5 8.6 14.4 20.5 24.5 21.4 17.6 14.3 7.8 3.7 11.6 1981 5.4 4.7 4.9 9.2 15.9 21.7 25.0 26.5 18.2 13.2 7.2 5.9 13.2 1982 4.5 1.4 3.9 11.5 14.1 ****** 19.9 19.0 15.9 8.7 3.8 1.0 ****** 1983 0.7 2.7 3.8 6.9 11.8 19.2 21.6 20.0 15.4 8.1 6.5 2.9 10.0 1984 1.8 -1.5 3.0 9.9 11.0 16.9 19.8 19.6 18.7 7.9 7.0 0.0 9.5 1985 1.0 2.1 2.4 9.0 15.0 18.6 18.7 20.3 17.5 11.7 5.8 2.1 10.4 1986 1.1 0.7 1.6 6.5 13.4 20.8 23.1 21.9 19.6 8.1 3.3 -0.1 10.0 1987 2.4 1.0 1.8 5.2 15.0 22.1 22.0 20.5 16.7 6.7 3.8 0.7 9.8 1988 -0.6 0.2 3.9 7.4 12.7 ****** ****** ****** ****** ****** 7.9 ****** ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 1.5 ****** 5.2 11.9 14.1 18.6 21.7 19.3 16.4 10.7 ****** ****** ****** 1993 2.2 2.9 5.1 11.6 15.2 17.9 20.1 21.4 18.5 8.1 7.0 5.8 11.3 1994 5.1 1.9 7.5 12.0 15.1 17.9 19.1 21.0 15.7 10.9 10.3 3.0 11.6 1995 4.8 4.2 7.1 12.0 13.9 16.8 20.9 21.9 17.2 11.6 8.1 4.1 11.9 1996 3.0 2.9 5.7 10.7 17.0 17.7 20.2 19.9 17.4 11.1 7.5 4.4 11.5 1997 3.8 2.1 4.7 9.6 13.1 19.6 21.7 22.5 17.0 14.6 9.0 5.2 11.9 1998 3.8 2.5 6.0 12.7 13.1 17.4 20.6 22.1 18.4 11.7 9.3 6.2 12.0 1999 3.4 5.5 6.8 11.0 14.0 18.5 19.5 21.1 17.5 14.1 7.9 6.2 12.1 2000 3.0 4.7 6.1 13.1 16.2 15.6 18.1 20.9 20.2 12.6 6.8 7.1 12.0 MEAN 2.5 2.7 5.2 9.6 13.9 17.7 20.0 20.4 17.6 11.6 7.3 4.1 11.1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 27 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 5.52 5.22 6.09 8.43 12.15 13.59 17.10 17.29 14.50 9.37 7.25 6.35 10.24 1962 5.09 5.75 6.51 8.27 10.91 13.66 15.88 15.71 11.86 9.77 7.54 5.57 9.71 1963 5.67 5.80 5.99 9.17 11.00 11.92 15.06 14.57 13.40 11.18 6.99 5.63 9.70 1964 3.71 4.95 6.07 6.87 10.49 12.82 14.55 15.45 13.27 7.68 6.06 6.10 9.00 1965 4.98 4.89 6.30 7.21 10.38 12.68 15.07 15.42 12.09 9.56 7.51 5.70 9.31 1966 5.76 6.31 6.65 8.68 9.98 13.37 14.26 ****** 12.23 9.29 6.73 5.63 ****** 1967 4.77 4.40 5.34 7.37 9.43 10.68 13.69 15.00 11.90 8.90 7.86 ****** ****** 1968 4.66 4.74 6.42 7.62 10.77 11.66 13.05 13.49 11.94 9.29 8.19 6.08 8.99 1969 3.67 3.92 5.88 7.34 9.80 9.75 10.56 13.72 11.81 9.12 6.32 6.24 8.18 1970 5.41 5.55 6.49 7.91 9.75 10.84 12.09 15.54 12.33 9.24 7.30 5.20 8.97 1971 4.62 4.78 5.97 7.37 10.66 11.01 13.05 13.32 12.00 8.50 7.85 5.75 8.74 1972 3.78 3.65 5.18 7.75 10.21 13.44 14.86 13.38 12.97 10.73 7.33 4.86 9.01 1973 3.82 5.30 5.74 7.92 9.61 12.07 13.39 16.43 ****** 10.33 7.07 5.36 ****** 1974 4.43 4.51 5.98 7.48 11.96 13.04 15.23 14.33 12.11 6.78 6.79 6.02 9.06 1975 5.03 4.72 5.45 7.92 10.96 13.78 14.98 15.81 14.85 8.55 5.51 5.03 9.38 1976 5.42 4.30 4.86 7.10 10.88 12.97 14.78 15.70 13.55 10.03 5.21 4.64 9.12 1977 3.66 4.75 5.50 7.01 8.69 14.37 13.95 14.15 16.76 8.13 5.44 4.63 8.92 1978 5.01 4.89 6.44 8.70 9.87 12.80 16.77 15.42 16.26 13.15 5.81 5.21 10.03 1979 4.88 5.25 5.81 5.20 6.74 13.79 18.43 15.75 13.52 10.90 7.50 5.06 9.40 1980 3.93 4.37 5.73 7.12 11.19 15.78 20.75 16.86 13.03 10.57 6.92 5.15 10.12 1981 5.73 5.50 5.55 7.69 11.79 16.81 20.96 22.88 14.70 10.06 6.59 5.96 11.19 1982 5.46 4.31 5.13 8.92 10.51 ****** 15.25 14.20 11.81 7.53 5.12 4.18 ****** 1983 4.11 4.76 5.12 6.42 9.39 14.41 16.76 15.30 11.51 7.24 6.22 4.92 8.85 1984 4.44 3.51 4.89 7.99 8.69 12.52 15.07 14.78 13.90 6.90 6.43 3.94 8.59 1985 4.21 4.59 4.66 7.42 11.19 13.88 13.98 15.60 12.94 9.19 5.96 4.60 9.02 1986 4.24 4.11 4.37 6.21 10.17 16.01 18.92 17.29 14.90 7.73 5.16 3.89 9.42 1987 4.63 4.20 4.46 5.72 11.31 17.58 17.53 15.89 12.53 6.56 5.22 4.14 9.15 1988 3.77 3.97 5.15 6.77 9.84 ****** ****** ****** ****** ****** 7.09 ****** ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 4.43 ****** 5.78 8.97 10.39 13.79 16.69 14.44 12.06 8.37 ****** ****** ****** 1993 4.62 4.85 5.78 8.88 11.10 13.24 15.16 16.48 14.26 7.25 6.45 5.89 9.50 1994 5.63 4.55 6.65 9.20 11.01 13.22 14.25 15.96 11.55 8.87 8.04 5.03 9.50 1995 5.49 5.32 6.51 9.05 10.32 12.36 16.00 16.93 12.83 8.98 7.07 5.24 9.68 1996 4.89 4.88 5.88 8.31 12.56 12.99 15.28 15.01 12.81 8.61 6.74 5.41 9.45 1997 5.21 4.59 5.54 7.76 9.82 14.75 16.80 17.76 12.57 10.91 7.41 5.67 9.90 1998 5.13 4.76 6.13 9.52 9.82 12.95 15.62 17.22 13.75 9.04 7.50 6.09 9.79 1999 5.08 5.83 6.37 8.39 10.28 13.84 14.77 16.40 12.97 10.42 6.86 6.06 9.77 2000 4.87 5.47 6.09 9.80 11.86 11.42 13.48 16.06 15.36 9.40 6.43 6.46 9.72 MEAN 4.75 4.81 5.74 7.82 10.42 13.25 15.39 15.70 13.17 9.11 6.71 5.34 9.35 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 28 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 8.75 8.27 9.64 13.29 19.08 21.28 26.66 26.93 22.68 14.77 11.47 10.05 16.07 1962 8.08 9.12 10.31 13.06 17.16 21.38 24.78 24.53 18.61 15.38 11.90 8.83 15.26 1963 8.99 9.19 9.49 14.46 17.30 18.72 23.54 22.80 21.00 17.58 11.04 8.92 15.25 1964 5.89 7.85 9.61 10.88 16.52 20.11 22.76 24.14 20.80 12.14 9.60 9.66 14.16 1965 7.89 7.76 9.97 11.39 16.34 19.88 23.55 24.08 18.97 15.06 11.86 9.03 14.65 1966 9.13 9.99 10.52 13.69 15.72 20.95 22.30 ****** 19.19 14.64 10.65 8.93 ****** 1967 7.56 6.98 8.46 11.65 14.86 16.80 21.44 23.45 18.67 14.04 12.42 ****** ****** 1968 7.39 7.53 10.17 12.04 16.94 18.32 20.46 21.13 18.74 14.64 12.93 9.63 14.16 1969 5.83 6.23 9.32 11.60 15.44 15.36 16.62 21.50 18.54 14.38 10.00 9.87 12.89 1970 8.58 8.80 10.27 12.49 15.35 17.05 18.98 24.26 19.34 14.56 11.54 8.25 14.12 1971 7.34 7.59 9.45 11.64 16.78 17.31 20.46 20.87 18.83 13.42 12.41 9.10 13.77 1972 6.00 5.80 8.21 12.25 16.08 21.06 23.23 20.97 20.34 16.87 11.58 7.71 14.17 1973 6.07 8.40 9.09 12.51 15.14 18.94 20.97 25.62 ****** 16.26 11.17 8.50 ****** 1974 7.03 7.16 9.47 11.81 18.78 20.45 23.80 22.41 19.01 10.73 10.74 9.53 14.24 1975 7.98 7.49 8.64 12.50 17.23 21.58 23.41 24.69 23.22 13.47 8.73 7.98 14.74 1976 8.60 6.83 7.71 11.23 17.09 20.32 23.10 24.51 21.21 15.74 8.25 7.37 14.33 1977 5.82 7.55 8.72 11.08 13.70 22.47 21.82 22.11 26.13 12.82 8.63 7.35 14.02 1978 7.95 7.76 10.19 13.73 15.53 20.06 26.11 24.07 25.36 20.58 9.20 8.27 15.73 1979 7.74 8.33 9.21 8.24 10.66 21.57 28.64 24.56 21.17 17.13 11.84 8.03 14.76 1980 6.25 6.93 9.08 11.25 17.55 24.62 32.08 26.23 20.42 16.63 10.95 8.17 15.85 1981 9.08 8.72 8.80 12.14 18.51 26.19 32.42 35.30 22.91 15.82 10.44 9.45 17.48 1982 8.66 6.85 8.14 14.06 16.53 ****** 23.82 22.22 18.53 11.89 8.12 6.63 ****** 1983 6.52 7.55 8.12 10.16 14.78 22.54 26.13 23.89 18.07 11.43 9.85 7.80 13.90 1984 7.05 5.58 7.76 12.61 13.70 19.64 23.54 23.11 21.76 10.91 10.19 6.25 13.51 1985 6.68 7.28 7.40 11.73 17.58 21.73 21.88 24.35 20.29 14.48 9.44 7.31 14.18 1986 6.73 6.54 6.93 9.84 15.99 24.97 29.32 26.90 23.27 12.19 8.18 6.19 14.75 1987 7.35 6.67 7.08 9.06 17.76 27.34 27.26 24.78 19.64 10.38 8.28 6.57 14.35 1988 6.00 6.31 8.17 10.70 15.48 ****** ****** ****** ****** ****** 11.21 ****** ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 7.03 ****** 9.16 14.15 16.35 21.59 26.02 22.58 18.94 13.21 ****** ****** ****** 1993 7.33 7.70 9.16 14.00 17.45 20.75 23.70 25.71 22.28 11.46 10.21 9.33 14.92 1994 8.92 7.23 10.52 14.50 17.32 20.71 22.31 24.92 18.14 13.98 12.70 7.97 14.93 1995 8.70 8.44 10.30 14.27 16.24 19.39 24.97 26.40 20.11 14.16 11.18 8.31 15.21 1996 7.76 7.74 9.31 13.11 19.70 20.37 23.87 23.46 20.10 13.58 10.66 8.57 14.85 1997 8.27 7.29 8.78 12.27 15.47 23.06 26.20 27.64 19.71 17.14 11.71 8.99 15.54 1998 8.13 7.55 9.70 15.00 15.46 20.30 24.40 26.82 21.52 14.24 11.85 9.64 15.39 1999 8.06 9.24 10.08 13.25 16.18 21.66 23.09 25.57 20.33 16.40 10.85 9.60 15.36 2000 7.73 8.68 9.64 15.44 18.62 17.94 21.12 25.05 23.99 14.81 10.17 10.22 15.29 MEAN 7.54 7.64 9.10 12.35 16.39 20.76 24.02 24.50 20.62 14.36 10.61 8.47 14.70 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 29 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 2.12 3.18 3.86 5.92 15.48 20.75 15.85 12.91 9.95 7.91 6.34 4.84 9.09 1962 2.86 4.66 6.66 5.97 11.57 15.34 20.75 17.39 14.85 7.92 3.01 5.24 9.69 1963 5.04 5.40 5.44 5.95 9.43 17.91 17.47 17.74 13.37 7.73 4.47 3.04 9.42 1964 2.51 4.83 3.35 5.06 14.01 20.90 16.30 13.35 12.15 10.66 10.06 10.05 10.27 1965 2.36 5.16 4.23 8.66 12.14 19.04 20.24 19.59 14.28 9.78 7.18 4.99 10.64 1966 6.66 3.93 4.83 8.81 11.29 20.93 28.70 ****** 19.28 8.91 7.84 6.34 ****** 1967 5.96 3.85 6.06 7.73 15.03 18.67 17.19 19.60 15.50 10.07 6.62 ****** ****** 1968 6.52 4.51 4.39 4.53 11.85 13.70 18.83 18.57 17.18 12.14 4.57 4.04 10.07 1969 2.08 2.06 2.53 4.95 9.49 18.92 20.11 17.12 13.24 8.67 4.54 3.85 8.96 1970 3.12 4.28 4.91 8.11 15.45 14.88 19.56 12.85 11.04 8.91 6.66 3.80 9.46 1971 3.55 5.01 6.62 7.39 12.10 16.55 21.20 20.26 17.25 11.23 5.67 4.74 10.96 1972 1.92 2.35 3.67 10.43 7.64 17.12 20.57 17.25 14.94 11.02 7.38 2.21 9.71 1973 2.59 5.56 4.88 7.10 13.35 14.00 18.31 19.45 ****** 8.90 4.15 2.93 ****** 1974 1.85 2.64 4.16 6.22 11.08 18.70 14.86 18.55 14.99 15.64 10.74 5.83 10.44 1975 3.64 3.54 5.56 9.94 14.63 20.91 21.84 18.04 15.79 9.73 5.52 2.73 10.99 1976 3.20 2.59 3.88 6.66 8.14 14.33 14.23 18.73 15.92 10.07 8.27 5.13 9.26 1977 2.55 5.65 9.36 13.03 12.95 15.83 16.51 18.11 9.55 8.42 8.93 4.40 10.44 1978 3.07 3.09 3.45 4.75 6.54 13.14 24.70 19.00 7.82 7.17 6.01 7.75 8.87 1979 8.16 8.62 11.50 11.33 14.87 21.49 20.52 20.61 17.54 13.81 13.02 8.23 14.14 1980 4.43 3.78 3.25 5.68 11.33 14.36 15.39 15.45 11.77 9.82 8.62 7.02 9.24 1981 6.24 5.69 6.80 7.13 7.62 12.94 11.18 8.90 11.88 9.46 7.04 7.11 8.50 1982 5.42 3.19 3.98 7.95 9.26 ****** 19.82 11.65 14.40 8.88 3.39 3.36 ****** 1983 3.05 3.26 4.55 9.72 15.69 15.91 19.50 16.93 15.81 10.68 7.48 4.41 10.58 1984 3.91 2.89 3.35 6.97 7.82 12.59 22.10 15.47 7.80 6.33 5.85 3.17 8.19 1985 3.12 3.25 3.25 7.03 11.65 16.15 14.38 15.52 14.03 8.27 6.92 4.14 8.98 1986 3.67 4.20 3.31 6.45 8.91 11.22 12.55 12.10 12.16 12.75 6.39 4.23 8.16 1987 4.85 4.24 4.50 7.42 11.43 13.26 14.70 14.78 10.90 8.48 7.24 4.51 8.86 1988 3.41 3.81 5.32 8.34 10.06 ****** ****** ****** ****** ****** 5.62 ****** ****** 1989 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 2.47 ****** 3.02 3.57 7.17 14.46 12.74 11.01 12.25 9.21 ****** ****** ****** 1993 3.21 2.16 4.80 5.67 10.35 15.95 15.87 15.16 11.16 11.97 2.37 2.37 8.42 1994 2.38 2.85 2.55 6.97 12.22 11.94 15.92 13.48 11.81 7.61 5.03 2.99 7.98 1995 3.86 3.94 4.65 7.98 15.67 20.67 17.64 15.59 14.97 7.66 7.70 3.67 10.33 1996 2.18 4.10 2.32 4.04 11.59 14.97 20.91 19.44 16.48 10.14 4.16 5.21 9.63 1997 3.65 3.62 4.21 10.00 15.81 18.43 15.66 17.32 13.64 10.59 3.49 3.82 10.02 1998 1.79 2.90 5.00 7.51 15.09 25.16 18.19 15.89 11.16 8.84 6.27 5.25 10.25 1999 3.41 5.91 4.21 6.58 11.06 16.89 17.93 22.91 13.87 9.28 4.16 3.89 10.01 2000 3.35 3.62 3.88 10.53 12.15 20.19 25.78 21.28 11.20 7.30 5.02 3.07 10.61 MEAN 3.63 4.01 4.66 7.35 11.67 16.81 18.28 16.63 13.43 9.61 6.33 4.66 9.75 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 30 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. AVERAGE OF RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 84 76 75 75 61 55 66 73 73 69 69 74 71 1962 77 72 67 73 65 62 57 62 60 71 80 70 68 1963 70 68 70 74 69 55 61 59 64 73 74 80 68 1964 74 68 76 75 58 52 61 67 67 58 56 56 64 1965 79 66 74 65 64 55 57 59 61 67 68 70 65 1966 66 75 73 63 61 53 46 *** 51 66 62 65 *** 1967 63 72 67 66 55 52 58 57 58 62 69 *** *** 1968 60 68 74 77 63 62 55 57 56 59 76 74 65 1969 77 79 82 76 69 52 50 59 62 67 74 76 69 1970 78 72 75 66 57 57 53 68 66 66 68 74 67 1971 74 67 66 69 63 56 52 54 56 61 73 71 64 1972 80 77 74 61 71 59 55 60 61 66 67 81 68 1973 74 67 71 68 60 63 57 60 *** 69 76 79 *** 1974 81 75 76 72 67 56 68 59 60 48 57 67 66 1975 71 70 64 63 61 55 56 62 63 61 66 76 64 1976 74 75 68 66 69 62 65 60 61 63 56 63 65 1977 72 63 54 51 57 61 61 59 75 64 55 67 62 1978 73 73 77 76 73 65 57 62 77 76 65 59 69 1979 56 57 53 51 51 54 61 58 60 60 54 58 56 1980 63 67 75 71 63 66 69 66 67 66 61 60 66 1981 65 66 63 67 73 69 76 81 66 66 64 63 68 1982 67 71 70 67 67 *** 57 68 59 61 73 69 *** 1983 70 72 67 57 52 61 60 61 57 56 61 68 62 1984 67 69 70 67 66 64 55 63 75 66 67 68 66 1985 70 70 71 66 61 60 62 63 62 65 61 65 65 1986 66 62 69 63 64 70 71 70 68 53 59 62 65 1987 63 64 63 60 63 69 66 64 66 58 57 62 63 1988 65 64 62 58 62 *** *** *** *** *** 71 *** *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 78 *** 78 84 75 65 70 71 65 66 *** *** *** 1993 76 82 71 77 69 63 64 67 70 56 84 84 72 1994 84 77 85 74 65 70 61 68 66 68 77 75 73 1995 76 73 74 73 56 53 62 66 63 71 68 75 68 1996 81 73 83 81 69 63 57 59 61 64 76 68 70 1997 75 72 74 63 56 60 66 65 64 67 81 76 68 1998 84 78 71 72 58 49 61 66 70 67 71 73 68 1999 75 69 76 73 66 59 60 57 65 69 77 77 69 2000 76 75 76 66 67 52 49 59 71 70 70 81 68 MEAN 73 71 71 68 63 59 60 63 64 64 68 70 66 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 31 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. AVERAGE OF MAXIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 95 90 85 89 79 72 82 90 87 85 85 88 86 1962 88 87 82 87 83 79 73 79 78 83 90 83 83 1963 83 82 87 87 82 73 78 75 79 86 88 90 83 1964 87 81 87 85 71 67 76 80 85 78 74 75 79 1965 90 82 86 81 80 72 72 76 79 83 80 85 81 1966 78 85 87 77 72 63 53 *** 60 81 76 79 *** 1967 76 86 83 80 72 66 75 77 75 79 85 *** *** 1968 75 81 86 90 79 77 72 76 74 77 90 85 80 1969 90 90 90 87 85 69 66 77 76 83 86 90 82 1970 92 85 87 81 75 71 69 81 80 83 83 89 81 1971 93 86 85 85 78 72 69 72 75 80 86 85 81 1972 91 89 85 79 82 79 71 79 81 82 85 92 83 1973 90 81 83 84 80 82 74 76 *** 84 88 93 *** 1974 89 84 86 86 82 75 85 84 87 82 86 85 84 1975 81 84 82 83 83 85 82 85 81 84 86 86 84 1976 84 86 81 85 84 82 85 81 86 88 85 84 84 1977 88 82 76 82 80 82 85 86 88 84 83 80 83 1978 80 81 85 86 87 84 84 87 88 84 84 89 85 1979 85 85 89 89 88 80 81 83 87 84 86 86 85 1980 81 83 86 86 83 80 79 84 88 87 89 88 85 1981 87 89 89 87 83 81 84 86 82 82 84 86 85 1982 86 82 82 79 80 *** 77 82 81 82 87 83 *** 1983 80 80 80 76 79 77 79 83 83 80 82 83 80 1984 83 83 82 80 78 78 77 85 86 79 82 81 81 1985 82 81 81 78 72 78 80 79 81 79 82 79 79 1986 78 75 76 78 76 79 81 81 82 76 78 74 78 1987 74 76 76 77 78 80 78 80 80 77 77 74 77 1988 76 74 71 71 75 *** *** *** *** *** 87 *** *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 89 *** 92 93 88 86 90 90 87 88 *** *** *** 1993 89 93 90 91 90 82 85 88 91 83 97 93 89 1994 95 94 96 94 86 89 80 87 87 91 90 86 90 1995 88 88 89 87 77 71 80 83 85 90 85 86 84 1996 94 87 93 94 89 81 76 79 81 85 92 83 86 1997 90 88 92 84 78 83 83 85 83 84 95 89 86 1998 94 91 89 89 79 69 81 87 88 86 87 88 86 1999 90 87 91 91 86 79 80 76 86 86 90 89 86 2000 86 87 91 86 86 71 69 79 88 89 88 92 84 MEAN 86 85 85 84 81 77 78 82 82 83 86 85 83 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 32 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. AVERAGE OF MINIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 73 62 64 56 43 40 53 54 58 51 52 58 55 1962 64 55 50 58 46 45 42 47 44 59 69 60 53 1963 56 55 54 59 54 40 48 45 50 59 60 69 54 1964 60 56 66 64 43 37 47 55 52 41 37 37 50 1965 69 52 62 51 48 40 43 44 44 52 53 53 51 1966 52 64 58 47 50 43 39 *** 42 49 45 49 *** 1967 49 56 51 50 41 40 45 44 45 46 55 *** *** 1968 48 53 62 63 49 48 42 42 38 42 62 64 51 1969 64 67 73 65 54 37 36 45 51 53 62 64 56 1970 64 58 63 52 42 43 39 56 55 50 54 60 53 1971 59 53 50 54 47 41 39 39 41 43 58 57 48 1972 70 65 66 45 59 43 43 45 47 48 50 68 54 1973 60 53 59 56 45 49 44 47 *** 56 63 65 *** 1974 72 67 67 61 54 44 56 43 43 30 41 54 53 1975 63 61 52 51 44 38 40 49 52 47 52 68 51 1976 67 65 59 53 58 48 51 46 44 47 37 48 52 1977 61 50 39 33 42 48 46 41 66 51 38 55 48 1978 66 64 68 68 63 51 39 47 69 68 50 39 58 1979 38 39 33 29 29 39 49 43 43 44 34 39 38 1980 49 53 65 59 50 55 61 54 53 53 43 42 53 1981 47 50 45 53 64 60 68 75 53 54 50 47 56 1982 52 60 59 58 57 *** 44 59 46 48 58 57 *** 1983 61 63 53 43 35 50 48 47 41 40 46 53 48 1984 56 57 61 55 56 54 39 47 65 53 54 58 55 1985 59 61 62 54 53 47 49 51 48 54 46 54 53 1986 57 51 61 51 56 63 62 62 58 37 45 51 55 1987 54 52 51 47 52 59 57 54 56 42 43 52 52 1988 54 53 51 47 52 *** *** *** *** *** 53 *** *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 65 *** 68 75 63 50 58 58 48 48 *** *** *** 1993 62 72 56 66 54 50 50 53 54 33 71 73 58 1994 71 63 75 59 51 57 49 55 48 44 62 62 58 1995 63 59 62 58 43 40 49 53 48 52 49 60 53 1996 68 60 72 71 54 49 44 45 46 47 57 52 55 1997 60 58 60 48 41 45 53 51 48 51 65 62 54 1998 74 65 57 58 42 35 48 53 55 48 56 61 54 1999 60 53 64 58 51 47 46 43 51 54 64 63 55 2000 65 65 62 51 53 40 36 46 57 56 56 68 55 MEAN 60 58 59 55 50 46 47 50 50 49 53 57 53 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 33 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. NO. OF DAYS PRECIPITATION EQUAL OR MORE THAN 5 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 5 0 5 2 0 0 0 2 2 2 1 3 22 1962 4 1 3 4 1 2 0 0 0 2 4 2 23 1963 2 0 8 3 3 0 1 1 0 2 4 3 27 1964 2 5 5 8 0 1 0 1 0 2 6 5 35 1965 7 4 6 2 1 0 0 0 2 2 2 2 28 1966 3 3 6 7 0 0 0 *** 1 2 0 3 *** 1967 2 5 6 2 1 1 1 0 1 2 3 *** *** 1968 6 7 5 4 3 1 1 2 0 3 6 4 42 1969 9 4 6 7 6 2 2 2 1 2 5 8 54 1970 4 2 10 1 2 1 1 0 3 1 3 3 31 1971 1 5 4 6 0 2 0 0 1 3 2 3 27 1972 4 8 8 1 8 3 1 3 0 3 0 7 46 1973 8 4 8 1 2 2 0 1 2 1 3 6 38 1974 5 4 7 7 1 0 9 2 4 1 1 2 43 1975 3 3 4 4 3 1 0 0 0 1 5 4 28 1976 2 4 4 4 2 2 1 1 1 2 1 5 29 1977 3 1 3 4 1 2 1 2 0 3 3 5 28 1978 4 6 3 6 3 3 0 2 0 2 3 3 35 1979 5 12 2 9 3 0 0 0 3 2 2 4 42 1980 4 3 5 0 4 0 0 2 4 2 5 6 35 1981 3 5 7 5 4 0 4 2 3 0 4 4 41 1982 4 3 5 0 3 *** 1 1 0 5 6 3 *** 1983 6 2 6 1 2 1 0 0 2 1 2 6 29 1984 2 4 9 3 8 2 0 0 0 3 5 3 39 1985 3 8 2 2 0 0 0 2 0 3 3 5 28 1986 3 8 4 4 0 0 1 4 1 4 4 5 38 1987 4 5 10 4 1 0 1 0 0 7 5 5 42 1988 9 6 5 3 1 *** *** *** *** *** 2 *** *** 1989 *** *** *** *** *** *** *** *** *** *** *** *** *** 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 4 *** 4 9 6 3 0 4 2 1 *** *** *** 1993 3 6 6 2 1 0 1 4 1 1 7 2 34 1994 5 5 4 1 2 2 0 2 3 6 4 4 38 1995 2 2 3 4 0 1 0 0 1 3 3 3 22 1996 2 4 9 3 2 3 0 1 1 3 2 1 31 1997 2 3 7 0 3 1 0 1 1 3 4 5 30 1998 8 5 3 3 3 0 4 3 2 3 1 0 35 1999 5 2 3 2 3 0 3 0 2 4 4 3 31 2000 4 7 5 0 1 2 1 2 2 2 1 3 30 MEAN 4 4 5 3 2 1 1 1 1 2 3 4 31 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 34 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. HIGHEST AND LOWEST LIMITS FOR 40 YEARS DURING 1961-2000 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. HIG. DRY 03 18.0 19.6 22.0 24.0 28.2 34.0 38.0 35.4 32.0 26.0 20.0 25.0 1 YEAR - DAY 1966- 3 1994- 1 1963-17 1965-29 1998-21 1966- 8 1966-28 1985-23 1966- 4 1971-24 1964-22 1998-11 LOW. DRY 03 -10.4 -9.4 -2.6 1.6 6.5 11.5 12.5 15.2 9.2 4.4 0.0 -6.0 2 YEAR - DAY 1969- 6 1993-17 1972-21 1996- 6 1979- 1 1978- 2 1980- 4 1977-30 1973-27 1995-18 1966-29 1963-26 HIG. WET 03 12.0 12.0 15.9 18.3 23.3 27.5 29.0 29.0 26.0 21.8 16.5 15.0 3 YEAR - DAY 1966-26 1994- 1 1974-18 2000-30 1974-23 1979-29 1979- 2 1978- 5 1966- 4 1997- 3 1962- 2 1962-21 LOW. WET 03 -11.2 -9.6 -3.0 0.0 6.0 10.8 10.9 14.0 7.4 3.2 -1.0 -7.5 4 YEAR - DAY 1973-25 1993-17 1992- 3 1981- 2 1979- 1 1978- 2 1980- 4 1972-26 1973-27 1995-18 1966-29 1963-26 HIG. DRY 09 29.0 29.5 33.0 39.0 41.8 44.2 43.0 45.0 41.0 38.0 32.5 32.5 5 YEAR - DAY 1966-26 1963-25 1970-29 1965-28 1970-23 1995-29 1966-27 1961-19 1968-26 1965-13 1964-22 1964-22 LOW. DRY 09 -5.2 -2.6 1.0 4.9 2.9 16.0 21.4 20.4 9.0 6.9 3.5 -1.4 6 YEAR - DAY 1969- 5 1993-16 1992-11 1981- 2 1988-29 1967- 5 1974- 7 1992-11 1973-27 1977-23 1962-16 1972-31 HIG. WET 09 18.4 18.5 20.5 27.9 29.3 32.0 37.5 38.5 32.0 27.0 27.0 23.0 7 YEAR - DAY 1982- 8 1962-17 1966-13 1974- 9 1980-22 1987-17 1978- 8 1980- 5 1981- 2 1981- 5 1963-14 1963- 9 LOW. WET 09 -5.4 -2.6 0.8 2.3 2.6 13.5 15.5 16.0 7.0 5.5 3.0 -2.0 8 YEAR - DAY 1969-25 1993-16 1992-11 1981- 2 1988-29 1978-13 1973- 9 1977-30 1973-27 1977-23 1962-16 1963-26 HIG. DRY 15 23.0 23.5 26.1 37.0 35.2 40.4 39.8 41.0 36.2 31.7 29.5 25.7 9 YEAR - DAY 1968-15 1979-14 1974-17 1965-28 1996-31 1995-29 1995-23 2000- 1 1996- 7 1979- 3 1979-27 1979- 1 LOW. DRY 15 -7.0 -3.2 1.0 1.3 8.0 14.0 18.0 18.0 14.4 5.6 2.0 -4.0 10 YEAR - DAY 1969-26 1969-15 1969-24 1988-10 1984- 6 1973- 9 1969- 1 1961- 9 1987-23 1987-28 1962-16 1963-26 HIG. WET 15 14.6 15.4 18.6 23.6 28.0 29.0 31.3 32.3 30.0 24.4 22.2 16.0 11 YEAR - DAY 1982- 8 1999-20 1993-30 1994-25 2000-23 1972-20 1980-14 1981- 7 1981- 2 1976-17 1979- 2 1964- 8 LOW. WET 15 -7.0 -4.0 0.0 0.0 4.2 12.0 13.7 12.4 10.6 3.2 0.0 -4.0 12 YEAR - DAY 1964-30 1969-15 1969-24 1981- 2 1984- 2 1973- 9 1978- 4 1974-28 1981-23 1987-28 1987-30 1963-26 HIG. MIN. 11.4 13.4 50.0 20.0 24.2 30.0 31.0 28.8 29.0 21.2 16.4 16.0 13 YEAR - DAY 1997- 7 1996- 9 1995-19 1966-14 1974-23 1966- 7 1966- 7 1997-14 1966- 4 1997- 3 2000- 3 1962-21 LOW. MIN. -14.5 -10.4 -4.0 -3.0 2.0 8.0 8.0 10.0 3.5 1.0 -5.0 -12.0 14 YEAR - DAY 1964-19 1993-17 1965- 8 1965- 6 1964- 3 1969-16 1969-17 1965-30 1964-26 1964- 8 1964-30 1963-26 HIG. MAX. 30.0 30.5 35.0 39.0 43.5 46.0 45.0 45.0 42.0 40.0 35.4 34.0 15 YEAR - DAY 1966-26 1963-24 1965-31 1965-28 1961-25 1961-26 1962-21 1961-19 1996- 7 1965-13 1983- 2 1998-11 LOW. MAX. -3.8 -1.2 2.0 5.2 11.4 18.0 22.5 23.0 17.0 7.8 5.2 0.2 16 YEAR - DAY 1969- 6 1972- 8 1969-24 1981- 2 1992- 1 1969-27 1992-12 1984-31 1973-26 1977-23 1969-17 1972-31 HIG. PPTN 40.0 45.7 45.5 48.0 81.2 40.8 48.0 50.3 64.0 44.6 66.2 46.0 17 YEAR - DAY 1964- 1 1980-19 1987-31 1969-14 1992-14 1992-12 1998-24 1976-17 2000- 2 1979-17 1980- 2 1973-10 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 35 STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. HIGHEST LIMITS OF ABSOLUTE DIFFERENCES FOR 40 YEARS DURING 1961-2000 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. DRY 09 - DRY 03 21.0 21.5 23.0 22.2 22.8 19.0 20.9 25.5 22.6 22.0 22.0 20.8 18 YEAR - DAY 1997-10 1964-22 1965- 1 1993-11 1969-14 1979- 1 1980- 5 1961-19 1997-26 1992- 9 1979-20 1970- 6 DRY 15 - DRY 09 16.0 18.0 18.5 18.7 19.1 13.0 13.0 18.0 13.2 14.4 16.0 18.0 19 YEAR - DAY 1966-26 1967-24 1963- 6 1988-10 1988-29 1965- 7 1966-17 1961-10 1968-26 1992-24 1964-27 1998-11 DRY 15 - DRY 03 15.0 15.8 17.0 18.4 17.0 16.0 17.8 14.8 15.4 19.8 18.8 16.0 20 YEAR - DAY 1979-30 1999-25 1977- 2 1999-30 1979-17 1979- 1 1980- 4 2000- 2 1995- 5 1993-17 1979-27 1979- 1 WET 09 - WET 03 14.6 14.0 13.0 14.2 17.4 15.8 15.8 15.3 15.0 14.8 21.2 15.0 21 YEAR - DAY 1969-22 1964- 1 1977- 2 1993-11 1988-29 1980-27 1980- 5 1980- 5 1965- 9 1981- 5 1988-17 1966- 6 WET 15 - WET 09 10.0 7.5 9.8 14.0 17.4 9.6 14.9 10.7 11.0 10.0 16.2 13.0 22 YEAR - DAY 1964-30 1961- 6 1972-26 1988-10 1988-29 1987-17 1978- 8 1977-20 1965- 9 1962-27 1988-17 1966- 6 WET 15 - WET 03 11.6 13.0 12.6 13.4 11.8 12.8 14.1 11.0 10.2 13.6 11.8 11.3 23 YEAR - DAY 1969-22 1964- 1 1993-27 1995- 8 1993- 2 1980-27 1980- 5 1965-31 1994-28 1993-27 1973-27 1961-14 DAY BY DAY DRY 03 17.2 12.5 12.0 10.4 10.0 11.4 10.8 11.4 8.4 10.8 13.7 12.4 24 YEAR - DAY 1999- 9 1964- 2 1963-18 1995-19 1970-14 1995-23 1970-21 1985-24 1981- 2 1986-27 1973- 1 1998-12 DAY BY DAY WET 03 13.6 10.0 8.6 8.0 8.0 7.5 7.5 7.6 9.0 9.2 9.2 11.5 25 YEAR - DAY 1969-22 1968-23 1995- 2 1967- 5 1966- 1 1980-27 1963-24 1999-13 1965- 1 1999-14 1999-21 1963-26 DAY BY DAY DRY 09 18.5 21.4 23.6 25.0 28.1 14.0 12.2 11.0 16.0 21.0 14.8 16.0 26 YEAR - DAY 1963-19 1996- 2 1970-30 1969- 2 1988-30 1974- 8 1973- 1 1968-19 1973-26 1962-23 1999-26 1962- 4 DAY BY DAY WET 09 12.0 12.8 11.2 14.8 22.4 11.9 12.5 11.4 9.6 11.8 14.0 10.0 27 YEAR - DAY 1964-19 1996- 2 1970-30 1974- 9 1988-29 1977-11 1978- 8 1979- 4 1973-26 1969-30 1988-17 1963-11 DAY BY DAY DRY 15 13.5 14.2 15.0 21.0 13.4 15.6 11.8 12.2 10.5 13.6 12.5 12.4 28 YEAR - DAY 1964-31 1996- 2 1962-11 1969- 2 2000- 4 1995-22 1970-22 1973-13 1967-24 1982-24 1963- 2 1998-11 DAY BY DAY WET 15 12.5 10.4 11.4 12.0 10.2 12.4 10.4 11.3 9.0 12.2 11.1 8.0 29 YEAR - DAY 1964-31 1996- 2 1997-20 1963-30 1984- 1 1977-11 1981-22 1979- 4 1966- 2 1976-18 1976-11 1963-11 DAY BY DAY MIN. 14.0 10.5 42.4 8.0 8.5 8.5 8.0 7.0 10.5 9.5 9.0 16.5 30 YEAR - DAY 1965-18 1968-23 1995-20 1963- 7 1965- 1 1980-27 1965-25 1962- 7 1963-12 1964-12 1988-15 1963-26 DAY BY DAY MAX. 13.2 21.7 25.0 21.8 20.7 15.2 11.9 11.6 13.0 14.2 15.6 18.6 31 YEAR - DAY 1997-11 1996- 2 1970-30 1969- 1 1997- 5 1971-19 1973- 1 1978-22 1973-26 1969-31 1999-26 1998-12 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1961 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 7.9 8.7 10.5 16.0 25.1 28.4 29.4 28.7 25.2 18.4 15.0 11.4 18.7 AVERAGE OF MINIMUM TEMPERATURE IN C. 1.5 1.8 4.3 8.6 15.6 18.6 22.0 20.8 18.5 10.1 7.1 3.7 11.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 14.4 15.6 16.8 23.4 34.6 38.2 36.8 36.6 32.0 26.7 22.8 19.0 26.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.9 13.8 12.5 14.8 19.0 19.6 14.8 15.8 13.5 16.6 15.7 15.3 15.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 5.02 4.74 5.33 7.65 11.98 13.22 16.84 16.48 14.09 8.77 6.48 5.45 9.67 MEAN OF MIXING RATIO AT 09 GMT. 6.09 5.67 6.56 8.91 11.99 13.95 17.60 17.82 14.86 9.97 7.89 7.04 10.70 MEAN OF MIXING RATIO AT 15 GMT. 5.46 5.24 6.37 8.72 12.47 13.59 16.88 17.58 14.55 9.38 7.39 6.55 10.35 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -5.0 -4.5 0.0 2.0 12.0 13.0 19.5 15.5 12.5 1.5 2.0 -1.5 -5.0 DAY 4 1 13 19 4 8 14 9 22 30 25 28 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 24.0 23.0 26.0 35.0 43.5 46.0 42.0 45.0 38.5 35.0 30.0 26.5 46.0 DAY 19 9 30 28 25 26 1 19 13 14 20 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 21.0 2.0 32.0 9.0 0.0 0.0 2.0 11.0 17.0 15.0 8.0 11.5 32.0 DAY 8 15 27 16 ** ** 31 1 28 22 13 24 MONTHLY TOTAL PRECIPITATION IN MM. 67.5 2.0 90.0 16.0 0.0 0.0 2.0 23.0 28.0 22.0 12.0 25.0 287.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 55.5 5.6 18.4 20.5 NO. OF DAYS WITH PRECIPITATION. 7 1 11 2 0 0 1 4 3 2 2 3 36 NO. OF DAYS PRECIPITATION EQUAL 7 1 11 2 0 0 1 4 3 2 2 3 36 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 0 3 0 0 0 0 1 1 1 0 1 10 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 91 88 84 88 78 71 81 87 86 83 83 86 84 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 76 64 65 57 43 41 53 55 58 51 53 58 56 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 86 77 77 79 64 52 65 78 74 71 73 76 73 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 1 1 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 5 24 16 7 0 0 0 52 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 6 25 28 30 29 22 3 1 0 144 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 5 10 8 8 0 0 0 0 31 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 0 1 0 0 0 0 3 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 13 11 1 0 0 0 0 0 0 0 0 5 30 DATE OF START AND END FREEZING START = 26 DEC. END = 13 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1962 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 6.9 11.4 13.8 15.7 22.8 26.7 30.6 29.0 24.4 18.8 11.4 10.4 18.5 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.4 4.2 5.6 9.4 14.3 18.0 22.0 20.7 15.1 10.2 4.9 4.3 10.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 13.5 18.6 22.0 22.0 31.4 35.3 39.3 37.3 33.8 27.4 17.9 16.5 26.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.1 14.4 16.4 12.6 17.1 17.3 17.3 16.6 18.7 17.2 13.0 12.2 15.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.50 5.17 6.02 8.11 11.15 14.00 16.07 15.63 11.50 8.63 6.30 5.02 9.34 MEAN OF MIXING RATIO AT 09 GMT. 5.64 6.16 6.71 8.07 10.55 13.67 16.27 16.28 12.66 11.57 9.13 6.10 10.23 MEAN OF MIXING RATIO AT 15 GMT. 5.14 5.94 6.81 8.64 10.97 13.31 15.29 15.22 11.41 9.10 7.21 5.61 9.55 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -3.5 -1.0 1.5 4.0 9.5 10.0 18.0 14.5 7.5 5.0 -1.5 1.0 -3.5 DAY 25 23 3 13 2 10 8 29 29 14 18 6 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 20.0 28.0 31.0 29.0 40.0 40.0 45.0 42.0 41.0 36.5 26.0 31.0 45.0 DAY 28 17 10 29 17 20 21 21 1 22 1 21 24 HOUR MAXIMUM PRECIPITATION IN MM. 9.0 16.0 19.0 11.5 37.0 34.0 3.0 0.0 2.0 10.5 15.5 9.5 37.0 DAY 18 7 28 16 11 13 28 ** 19 12 2 27 MONTHLY TOTAL PRECIPITATION IN MM. 38.0 18.0 38.0 40.5 44.0 70.0 3.0 0.0 2.0 18.5 42.5 19.0 333.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 28.2 46.3 1.5 24.0 NO. OF DAYS WITH PRECIPITATION. 6 2 3 7 4 5 1 0 1 3 5 4 41 NO. OF DAYS PRECIPITATION EQUAL 6 2 3 7 4 5 1 0 1 3 5 4 41 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 2 1 1 2 0 0 0 1 1 0 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 82 80 85 81 77 72 78 75 82 87 79 80 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 64 57 51 60 46 47 43 48 45 61 74 62 55 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 80 75 70 75 68 62 57 61 59 72 80 70 69 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 25 18 3 0 0 0 50 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 2 0 20 26 31 28 27 12 0 1 147 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 2 14 6 2 0 0 0 25 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 0 0 0 0 0 2 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 19 2 0 0 0 0 0 0 0 0 7 0 28 DATE OF START AND END FREEZING START = 16 NOV. END = 23 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1963 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 11.1 10.9 12.1 16.6 21.2 26.5 28.8 28.5 26.2 20.7 12.0 7.6 18.5 AVERAGE OF MINIMUM TEMPERATURE IN C. 4.3 4.4 4.5 8.8 13.8 18.1 21.4 21.5 18.9 13.5 5.1 1.0 11.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 18.0 17.4 19.7 24.4 28.5 34.8 36.2 35.5 33.6 27.9 18.8 14.1 25.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.7 13.0 15.2 15.7 14.7 16.7 14.8 14.0 14.7 14.4 13.7 13.1 14.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 5.15 5.42 5.60 8.45 10.85 12.61 15.54 15.45 13.32 10.23 5.98 4.69 9.44 MEAN OF MIXING RATIO AT 09 GMT. 6.29 6.22 6.01 9.75 10.88 11.58 15.32 14.45 14.14 12.03 7.88 6.83 10.12 MEAN OF MIXING RATIO AT 15 GMT. 5.58 5.76 6.37 9.04 11.28 11.58 14.32 13.82 12.75 11.28 7.10 5.38 9.52 ABSOLUTE OF MINIMUM TEMPERATURE IN C. 0.0 0.0 -1.5 3.0 9.5 14.5 14.5 17.5 13.0 6.5 1.0 -12.0 -12.0 DAY 22 11 8 6 19 25 1 29 25 19 19 26 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 29.0 30.5 31.0 37.0 37.0 44.0 44.5 40.0 38.0 35.0 28.5 25.0 44.5 DAY 18 24 17 30 28 2 23 24 3 21 14 20 24 HOUR MAXIMUM PRECIPITATION IN MM. 11.0 4.0 18.0 14.0 14.5 0.0 6.0 5.0 1.0 16.5 15.0 7.0 18.0 DAY 5 4 27 1 11 ** 27 1 8 2 5 2 MONTHLY TOTAL PRECIPITATION IN MM. 29.0 6.0 111.5 38.5 46.0 0.0 17.0 5.0 1.0 27.5 34.5 25.0 341.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 43.0 24.8 6.7 25.5 NO. OF DAYS WITH PRECIPITATION. 5 2 11 4 8 0 5 1 1 3 4 5 49 NO. OF DAYS PRECIPITATION EQUAL 5 2 11 4 8 0 5 1 1 3 4 5 49 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 7 2 1 0 0 0 0 1 1 0 13 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 82 79 83 83 81 70 78 75 78 83 84 84 80 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 60 59 55 62 55 41 49 46 52 60 63 76 57 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 69 67 73 74 71 55 58 56 62 75 76 79 68 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 5 5 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 1 5 20 19 7 0 0 0 52 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 2 3 3 14 26 29 31 26 9 0 0 143 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 6 9 1 0 0 0 0 16 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 1 1 1 0 0 0 0 0 0 0 0 12 15 DATE OF START AND END FREEZING START = 2 DEC. END = 8 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1964 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 3.0 ***** ***** ***** 21.1 25.0 25.3 24.6 21.8 15.3 12.4 12.6 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -3.4 ***** ***** ***** 9.4 14.3 16.2 15.8 12.1 4.5 1.0 0.9 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.5 16.2 15.4 ***** 32.8 35.8 34.4 33.4 31.5 26.1 23.9 24.3 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.9 ***** ***** ***** 23.4 21.6 18.2 17.6 19.4 21.6 22.9 23.4 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.19 4.39 5.47 6.66 10.43 13.30 14.47 15.59 12.71 7.50 5.49 5.44 8.72 MEAN OF MIXING RATIO AT 09 GMT. 4.11 5.25 6.71 7.02 10.45 12.67 14.76 15.83 13.83 8.11 6.17 6.28 9.27 MEAN OF MIXING RATIO AT 15 GMT. 3.83 5.20 6.03 6.94 10.60 12.49 14.48 14.92 13.27 7.45 6.52 6.59 9.03 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -14.5 ***** ***** ***** 2.0 10.0 12.0 12.0 3.5 1.0 -5.0 -6.0 ****** DAY 19 ** ** ** 3 24 1 22 26 8 30 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.5 26.0 22.0 ***** 42.0 40.5 41.0 39.0 35.0 32.0 33.0 33.0 ****** DAY 28 23 18 ** 9 8 18 13 11 2 18 19 24 HOUR MAXIMUM PRECIPITATION IN MM. 40.0 12.0 27.0 27.0 0.0 7.0 0.0 7.5 2.0 6.0 12.0 12.0 40.0 DAY 1 6 8 23 ** 16 ** 2 6 6 11 11 MONTHLY TOTAL PRECIPITATION IN MM. 53.0 48.0 72.5 112.0 0.0 7.0 0.0 9.5 4.0 11.0 46.5 41.5 405.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 42.8 29.4 3.3 24.4 NO. OF DAYS WITH PRECIPITATION. 4 5 6 9 0 1 0 2 2 2 6 5 42 NO. OF DAYS PRECIPITATION EQUAL 4 5 6 9 0 1 0 2 2 2 6 5 42 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 3 3 6 0 0 0 0 0 0 2 2 17 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 81 80 82 81 70 67 74 80 84 77 71 71 77 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 64 57 69 66 44 38 48 56 53 43 38 38 51 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 76 66 76 77 60 51 61 65 64 53 59 60 64 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 11 *** *** *** 0 0 0 0 0 0 1 2 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 *** *** *** 0 0 0 0 1 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 *** 0 0 0 0 0 0 0 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 *** 24 29 29 30 23 5 4 6 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 *** 2 4 1 0 0 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 *** 0 0 0 0 0 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 29 *** *** *** 0 0 0 0 0 0 15 14 *** DATE OF START AND END FREEZING START = 2 NOV. END = 31 JAN. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1965 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 4.1 ***** 9.8 12.7 19.1 24.4 26.8 26.4 22.0 16.8 13.1 8.7 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -3.8 ***** 1.7 2.6 8.9 13.8 16.3 15.8 12.0 7.3 3.0 -1.0 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 12.1 16.3 18.0 22.8 29.3 34.9 37.3 37.0 32.1 26.2 23.3 18.4 25.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 15.9 ***** 16.3 20.1 20.4 21.1 21.0 21.2 20.1 18.9 20.3 19.4 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.61 4.55 5.66 6.78 10.30 13.04 15.52 15.35 12.26 9.19 6.72 5.41 9.12 MEAN OF MIXING RATIO AT 09 GMT. 5.55 5.39 6.98 7.52 10.62 12.79 14.94 15.64 12.33 10.17 8.78 6.17 9.74 MEAN OF MIXING RATIO AT 15 GMT. 4.77 4.73 6.16 7.31 10.23 12.20 14.74 15.26 11.69 9.32 7.03 5.52 9.08 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -9.0 ***** -4.0 -3.0 2.5 10.5 12.0 10.0 5.0 2.0 0.0 -5.0 ****** DAY 4 ** 8 6 5 7 25 30 25 27 22 3 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 22.0 25.0 35.0 39.0 39.0 42.5 42.0 44.0 40.0 40.0 34.0 28.0 44.0 DAY 6 9 31 28 16 15 18 14 15 13 17 14 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.0 14.5 18.5 18.0 54.5 0.0 3.0 0.0 7.0 6.0 25.0 25.0 54.5 DAY 19 15 3 2 4 ** 7 ** 6 17 10 21 MONTHLY TOTAL PRECIPITATION IN MM. 56.0 47.0 68.5 28.5 56.5 0.0 3.0 0.0 15.0 18.5 38.0 40.5 371.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 46.2 22.9 4.8 26.1 NO. OF DAYS WITH PRECIPITATION. 7 5 7 4 2 0 1 0 3 5 3 3 40 NO. OF DAYS PRECIPITATION EQUAL 7 5 7 4 2 0 1 0 3 5 3 3 40 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 3 4 1 1 0 0 0 0 0 2 2 14 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 88 78 80 79 79 71 71 74 78 82 78 80 78 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 72 55 68 52 49 41 44 45 45 54 57 58 53 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 78 65 75 65 64 54 55 57 60 64 68 72 65 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 19 *** 1 0 0 0 0 0 0 0 0 5 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 *** 0 0 0 0 1 0 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 2 5 18 29 31 31 23 10 4 0 153 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 7 3 1 1 0 0 13 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 28 *** 11 5 0 0 0 0 0 0 3 22 *** DATE OF START AND END FREEZING START = 22 NOV. END = 15 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1966 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 11.2 9.6 10.5 19.3 21.9 29.6 32.7 ***** 27.2 20.0 15.5 12.6 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. 2.9 2.3 2.8 14.6 16.9 24.2 26.8 ***** 21.4 13.8 7.2 5.1 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 19.6 17.0 18.3 24.0 26.8 34.9 38.7 ***** 33.0 26.1 23.8 20.1 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 16.7 14.8 15.5 9.4 9.9 10.7 11.9 ***** 11.6 12.3 16.6 15.0 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 5.31 5.82 6.07 7.22 8.55 12.09 12.81 ***** 10.78 8.30 5.90 4.95 ***** MEAN OF MIXING RATIO AT 09 GMT. 6.29 6.90 7.13 9.48 11.31 14.99 15.94 ***** 13.55 9.79 7.66 6.29 ***** MEAN OF MIXING RATIO AT 15 GMT. 5.68 6.21 6.74 9.34 10.09 13.03 14.02 ***** 12.37 9.78 6.64 5.66 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. 1.0 0.0 0.0 6.0 10.0 21.0 21.0 ***** 18.0 8.0 -3.0 0.0 ****** DAY 4 22 4 3 1 22 23 ** 23 21 29 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 30.0 28.0 29.0 31.0 35.0 43.0 44.0 ***** 39.0 33.5 32.5 28.0 ****** DAY 26 26 28 17 13 10 27 ** 7 15 17 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 11.0 10.0 20.0 29.0 0.0 0.0 0.0 ***** 6.0 12.0 0.0 14.5 ****** DAY 13 19 21 12 ** ** ** ** 22 2 ** 22 MONTHLY TOTAL PRECIPITATION IN MM. 27.0 35.0 105.1 138.2 0.0 0.0 0.0 ***** 6.0 26.0 0.0 39.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 44.4 36.7 1.6 17.3 NO. OF DAYS WITH PRECIPITATION. 4 7 7 9 0 0 0 *** 1 4 0 4 *** NO. OF DAYS PRECIPITATION EQUAL 4 7 7 9 0 0 0 *** 1 4 0 4 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 6 6 0 0 0 *** 0 1 0 2 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 72 81 82 58 58 53 46 *** 49 72 76 74 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 54 68 60 55 58 48 41 *** 47 51 45 51 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 71 77 77 75 68 58 50 *** 57 74 65 71 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 *** 0 0 0 0 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 6 30 31 *** 16 1 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 *** 0 0 0 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 0 0 2 11 30 31 *** 27 5 2 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 5 14 *** 0 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 *** 0 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 0 2 3 0 0 0 0 *** 0 0 1 2 *** DATE OF START AND END FREEZING START = 29 NOV. END = 15 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1967 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 10.3 6.6 10.5 14.5 22.0 25.0 27.1 28.7 23.4 19.9 15.5 ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. 2.3 0.1 3.8 7.4 13.6 16.6 20.4 21.8 15.8 12.8 8.8 ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 18.4 13.1 17.3 21.5 30.5 33.4 33.8 35.7 31.0 27.0 22.2 ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 16.1 13.0 13.5 14.1 16.9 16.8 13.4 13.9 15.2 14.2 13.4 ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.22 3.92 5.25 7.31 9.54 11.27 14.63 16.12 12.29 8.41 7.24 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 5.56 4.73 5.31 7.27 9.57 10.81 13.58 14.98 11.92 9.32 8.14 ***** ***** MEAN OF MIXING RATIO AT 15 GMT. 4.52 4.55 5.46 7.54 9.19 9.96 12.85 13.90 11.47 8.98 8.20 ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -2.5 -5.5 -3.0 0.0 8.0 9.0 18.0 19.0 10.0 7.0 2.0 ***** ****** DAY 24 4 1 2 1 7 4 21 15 16 16 ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 30.0 29.0 31.0 35.0 39.0 43.5 37.0 39.0 35.0 34.0 28.0 ***** ****** DAY 15 24 5 21 27 17 4 16 1 11 23 ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 14.5 14.0 43.0 6.0 5.0 9.5 5.0 0.0 23.5 25.0 14.0 ***** ****** DAY 31 2 25 14 15 5 26 ** 24 22 29 ** MONTHLY TOTAL PRECIPITATION IN MM. 30.0 62.5 102.0 23.0 6.0 11.0 8.0 0.0 28.0 38.5 40.5 ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 55.7 11.4 10.3 22.6 NO. OF DAYS WITH PRECIPITATION. 3 10 8 7 2 2 2 0 3 3 7 *** *** NO. OF DAYS PRECIPITATION EQUAL 3 10 8 7 2 2 2 0 3 3 7 *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 2 5 0 0 0 0 0 1 2 2 *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 75 82 82 79 72 65 75 77 75 78 83 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 50 58 52 52 41 40 46 46 46 48 55 *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 63 75 67 67 53 50 54 49 54 61 70 *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 4 0 0 0 0 0 0 0 0 0 *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 13 22 8 0 0 *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 0 2 3 22 27 29 31 23 4 0 *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 0 0 0 0 0 *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 13 17 8 1 0 0 0 0 0 0 0 *** *** DATE OF START AND END FREEZING START = 1 JAN. END = 2 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1968 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 10.3 8.2 11.4 14.0 21.8 24.1 27.2 27.5 25.8 20.8 14.3 10.3 18.0 AVERAGE OF MINIMUM TEMPERATURE IN C. 3.6 1.8 6.3 8.8 14.8 17.2 19.7 19.8 18.4 13.4 8.5 5.1 11.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 17.1 14.5 16.4 19.1 28.7 30.9 34.7 35.2 33.3 28.2 20.1 15.5 24.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.5 12.7 10.1 10.3 13.9 13.7 15.0 15.4 14.9 14.8 11.6 10.4 13.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.44 4.09 6.08 7.19 10.70 12.17 14.10 14.14 12.63 9.23 7.39 5.48 8.97 MEAN OF MIXING RATIO AT 09 GMT. 5.07 5.14 6.80 7.96 11.10 11.99 13.49 13.49 11.21 9.41 8.76 6.48 9.24 MEAN OF MIXING RATIO AT 15 GMT. 4.46 4.99 6.39 7.70 10.51 10.81 11.58 12.83 11.96 9.22 8.42 6.29 8.76 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -3.0 -5.0 2.5 5.0 7.4 13.2 13.8 15.0 13.4 3.8 4.8 1.4 -5.0 DAY 24 5 5 1 1 10 14 30 21 29 24 8 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 28.0 24.0 27.4 32.2 38.4 38.2 42.2 40.2 41.8 39.4 25.0 24.5 42.2 DAY 15 20 13 17 20 18 20 15 28 12 14 28 24 HOUR MAXIMUM PRECIPITATION IN MM. 17.0 14.0 28.0 25.6 76.0 9.6 11.2 7.4 0.0 13.0 19.0 15.0 76.0 DAY 1 24 23 25 23 9 12 19 ** 27 19 16 MONTHLY TOTAL PRECIPITATION IN MM. 65.0 67.0 84.0 78.6 123.6 17.8 13.0 14.2 0.0 31.4 87.2 56.9 638.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 33.8 34.4 4.3 27.5 NO. OF DAYS WITH PRECIPITATION. 6 7 7 7 5 4 2 2 0 3 8 8 59 NO. OF DAYS PRECIPITATION EQUAL 6 7 7 7 5 4 2 2 0 3 8 8 59 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 4 3 3 2 0 1 0 0 2 4 3 25 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 72 77 84 87 78 77 72 74 71 75 88 82 78 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 53 57 63 66 50 48 43 43 40 43 66 66 53 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 56 70 75 77 60 60 51 54 58 59 75 75 64 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 1 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 8 8 5 0 0 0 21 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 10 19 30 30 26 11 0 0 127 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 2 2 0 0 0 5 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 6 12 0 0 0 0 0 0 0 0 0 0 18 DATE OF START AND END FREEZING START = 18 JAN. END = 25 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1969 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 2.2 3.4 8.8 13.1 19.7 23.8 25.4 27.3 23.5 18.3 10.7 11.0 15.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.7 -0.8 5.1 7.7 13.5 14.4 16.5 20.9 17.2 12.2 4.5 6.1 9.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.1 7.6 12.5 18.4 25.9 33.1 34.2 33.7 29.7 24.5 17.0 15.8 21.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.8 8.4 7.4 10.7 12.4 18.7 17.7 12.8 12.5 12.3 12.5 9.7 12.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.21 3.47 5.53 6.92 9.50 9.87 10.89 14.60 11.82 8.77 5.43 5.66 7.97 MEAN OF MIXING RATIO AT 09 GMT. 3.97 4.14 6.10 7.72 9.74 9.94 10.76 13.65 12.27 9.49 7.01 6.81 8.47 MEAN OF MIXING RATIO AT 15 GMT. 3.84 4.15 6.02 7.39 10.16 9.43 10.04 12.92 11.33 9.10 6.51 6.23 8.09 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -13.0 -5.0 0.0 2.8 8.0 8.0 8.0 17.0 9.4 4.0 0.0 1.0 -13.0 DAY 26 10 24 15 9 16 17 2 14 31 19 16 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.4 16.0 28.8 35.8 38.8 43.0 43.0 39.0 35.4 32.0 30.0 26.2 43.0 DAY 13 5 30 1 14 11 12 20 7 12 1 22 24 HOUR MAXIMUM PRECIPITATION IN MM. 25.0 16.0 19.4 48.0 10.0 6.2 5.8 14.8 5.0 19.8 32.0 15.8 48.0 DAY 25 14 1 14 7 28 17 9 11 14 17 25 MONTHLY TOTAL PRECIPITATION IN MM. 109.2 49.4 81.0 124.8 49.4 18.2 13.8 23.4 19.6 30.4 80.8 97.8 697.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 34.3 27.6 8.1 30.0 NO. OF DAYS WITH PRECIPITATION. 12 6 13 11 9 5 3 3 6 5 9 9 91 NO. OF DAYS PRECIPITATION EQUAL 11 6 13 11 9 5 3 3 6 5 9 9 90 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 2 2 3 1 0 0 1 0 1 2 6 22 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 83 85 89 86 84 68 65 77 75 81 84 87 80 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 68 71 74 66 54 39 38 46 53 56 63 66 58 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 81 80 84 77 70 50 48 53 59 63 74 76 68 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 14 6 0 0 0 0 0 0 0 0 0 0 20 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 7 13 4 0 0 0 24 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 6 2 0 0 0 0 0 0 0 0 0 0 8 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 10 22 26 30 17 4 1 0 111 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 2 0 0 0 0 0 4 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 23 20 2 0 0 0 0 0 0 0 1 0 46 DATE OF START AND END FREEZING START = 19 NOV. END = 25 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1970 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 8.7 10.0 11.9 16.9 22.8 24.3 26.9 26.9 23.3 19.1 14.7 8.2 17.8 AVERAGE OF MINIMUM TEMPERATURE IN C. 3.7 4.1 7.5 10.6 14.8 18.2 20.1 21.8 17.6 12.8 7.8 2.8 11.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 13.8 15.9 16.2 23.2 30.8 30.6 33.7 32.1 28.9 25.4 21.7 13.7 23.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.1 11.8 8.7 12.6 16.0 12.4 13.6 10.3 11.3 12.6 13.9 10.9 12.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.99 4.88 6.06 7.46 9.91 11.44 12.80 15.53 12.16 9.00 6.74 4.58 8.80 MEAN OF MIXING RATIO AT 09 GMT. 5.79 6.01 6.81 8.72 10.10 10.80 12.46 16.20 13.20 9.39 7.81 5.65 9.41 MEAN OF MIXING RATIO AT 15 GMT. 5.45 5.76 6.59 7.54 9.22 10.38 11.01 14.88 11.64 9.33 7.34 5.37 8.71 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -1.0 0.0 2.8 6.4 10.0 12.0 16.8 17.0 11.4 6.8 4.2 -2.0 -2.0 DAY 24 2 15 24 9 11 24 3 20 26 26 21 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 26.2 26.2 34.8 36.0 42.8 35.0 39.0 36.0 38.0 34.0 33.0 28.0 42.8 DAY 1 19 29 19 23 15 20 13 23 5 7 6 24 HOUR MAXIMUM PRECIPITATION IN MM. 17.2 8.6 28.2 10.2 23.2 17.0 11.6 4.8 8.0 14.2 18.8 23.2 28.2 DAY 2 20 3 9 8 10 23 24 2 8 30 15 MONTHLY TOTAL PRECIPITATION IN MM. 39.8 24.0 101.7 18.2 41.0 20.0 20.8 13.0 32.2 27.8 32.0 38.4 408.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 40.5 19.4 16.1 24.0 NO. OF DAYS WITH PRECIPITATION. 4 6 14 4 5 2 4 4 8 5 3 5 64 NO. OF DAYS PRECIPITATION EQUAL 4 6 14 4 5 2 4 4 8 5 3 5 64 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 0 1 1 2 1 1 0 0 1 1 1 11 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 90 82 84 80 73 70 68 78 79 82 82 87 80 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 65 60 66 55 43 44 41 59 58 52 55 62 55 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 79 75 76 63 54 56 48 66 61 66 67 73 65 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 5 11 21 5 0 0 0 42 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 2 5 17 22 28 21 14 4 2 0 115 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 0 0 0 0 0 0 0 1 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 5 2 0 0 0 0 0 0 0 0 0 10 17 DATE OF START AND END FREEZING START = 15 DEC. END = 3 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1971 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 6.8 9.3 12.7 15.4 22.8 25.0 29.2 29.2 25.9 19.5 14.6 10.2 18.4 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.9 3.6 6.2 9.6 16.3 18.6 22.8 23.0 18.9 12.6 8.7 4.1 12.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 12.7 14.9 19.2 21.1 29.2 31.5 35.5 35.5 32.9 26.4 20.5 16.4 24.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.8 11.3 13.0 11.5 12.9 12.9 12.7 12.5 14.0 13.8 11.8 12.3 12.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.21 4.65 5.76 7.42 10.77 11.70 13.98 14.48 11.88 8.42 6.86 5.17 8.77 MEAN OF MIXING RATIO AT 09 GMT. 5.12 5.16 6.28 7.42 10.73 10.71 13.19 13.19 12.57 8.26 8.37 6.27 8.94 MEAN OF MIXING RATIO AT 15 GMT. 4.55 4.54 5.87 7.26 10.49 10.61 11.98 12.28 11.56 8.84 8.34 5.86 8.51 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -4.4 -2.2 1.0 3.8 12.0 13.0 19.8 19.8 14.0 9.0 4.4 -2.0 -4.4 DAY 27 3 7 5 14 20 1 5 28 13 2 22 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 27.2 25.0 31.0 31.0 37.0 36.3 41.2 39.2 36.8 35.4 27.2 28.8 41.2 DAY 4 27 27 13 26 14 4 21 6 24 15 9 24 HOUR MAXIMUM PRECIPITATION IN MM. 6.1 19.0 36.0 13.2 2.4 24.0 0.0 3.4 10.4 13.0 21.8 14.0 36.0 DAY 15 14 21 4 30 19 ** 23 30 30 11 31 MONTHLY TOTAL PRECIPITATION IN MM. 17.1 69.4 96.8 62.6 8.0 33.2 0.0 5.6 10.4 31.8 57.6 38.0 430.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 42.6 24.1 3.7 29.6 NO. OF DAYS WITH PRECIPITATION. 6 9 10 9 4 3 0 2 1 6 7 8 65 NO. OF DAYS PRECIPITATION EQUAL 6 9 10 9 4 3 0 2 1 6 7 8 65 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 3 4 3 0 1 0 0 1 1 2 1 16 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 91 86 82 84 77 71 69 72 74 80 84 82 79 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 62 56 54 56 48 42 40 40 42 43 60 59 50 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 68 60 64 67 63 54 47 50 51 60 74 71 61 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 2 0 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 1 3 28 28 9 0 0 0 69 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 2 5 15 20 31 31 29 4 0 0 137 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 0 0 0 0 0 1 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 17 5 0 0 0 0 0 0 0 0 0 6 28 DATE OF START AND END FREEZING START = 19 DEC. END = 17 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1972 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 2.6 2.7 8.2 18.1 19.1 27.2 29.5 26.9 25.6 21.7 15.3 5.9 16.9 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.6 -2.0 3.5 10.2 14.0 20.6 23.6 19.7 18.9 14.5 8.5 1.6 11.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.7 7.3 12.8 26.1 24.2 33.8 35.4 34.1 32.4 28.9 22.1 10.2 22.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.3 9.3 9.3 15.9 10.2 13.2 11.8 14.4 13.5 14.4 13.6 8.6 11.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.39 3.20 4.78 7.62 9.97 14.23 15.93 13.38 13.20 10.01 7.02 4.49 8.93 MEAN OF MIXING RATIO AT 09 GMT. 4.15 3.93 5.68 8.19 10.71 13.47 14.95 14.02 13.83 11.01 7.83 5.08 9.40 MEAN OF MIXING RATIO AT 15 GMT. 3.79 3.81 5.07 7.45 9.96 12.62 13.70 12.76 11.89 11.17 7.13 5.01 8.70 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -8.0 -8.0 -3.1 3.8 7.4 17.0 18.0 15.0 10.6 10.0 2.4 -5.0 -8.0 DAY 25 11 21 6 12 1 29 26 20 10 13 26 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 17.2 18.6 31.0 36.0 31.0 40.0 38.8 42.0 39.0 36.0 32.0 15.0 42.0 DAY 13 16 30 29 30 21 11 17 1 20 3 4 24 HOUR MAXIMUM PRECIPITATION IN MM. 7.2 16.8 17.8 9.8 38.7 7.6 15.8 21.9 3.0 38.0 4.1 22.0 38.7 DAY 23 11 3 25 10 7 15 2 11 7 6 2 MONTHLY TOTAL PRECIPITATION IN MM. 36.9 100.4 105.7 18.0 186.0 26.0 15.8 38.9 3.0 64.2 12.5 106.3 713.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 34.0 32.2 8.1 25.6 NO. OF DAYS WITH PRECIPITATION. 7 10 13 4 10 5 1 4 1 3 4 10 72 NO. OF DAYS PRECIPITATION EQUAL 7 10 13 4 10 5 1 4 1 3 4 10 72 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 5 4 0 6 0 1 1 0 2 0 5 24 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 89 83 83 78 80 78 70 79 81 81 84 90 81 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 72 68 68 48 61 44 44 46 49 48 52 69 56 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 79 79 72 55 73 54 50 54 53 68 65 84 66 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 6 13 0 0 0 0 0 0 0 0 0 2 21 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 14 26 10 9 1 0 0 60 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 5 3 0 0 0 0 0 0 0 0 0 0 8 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 1 7 5 27 30 28 28 17 2 0 145 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 0 3 0 0 0 0 4 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 25 22 3 0 0 0 0 0 0 0 0 14 64 DATE OF START AND END FREEZING START = 18 DEC. END = 21 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1973 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 3.7 10.4 10.7 15.8 21.3 24.7 25.3 25.6 23.4 19.0 11.9 7.2 16.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.4 4.0 5.0 9.1 14.2 18.5 17.3 16.2 16.0 12.4 5.9 1.6 9.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.8 16.8 16.3 22.4 28.5 31.0 33.3 35.0 30.8 25.7 17.6 12.9 23.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.2 12.8 11.3 13.3 14.3 12.5 16.0 18.8 14.8 13.3 11.7 11.3 13.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.49 4.77 5.38 7.88 10.51 13.05 13.77 16.72 12.75 9.41 5.96 4.46 9.01 MEAN OF MIXING RATIO AT 09 GMT. 4.08 5.89 6.26 8.90 9.80 12.31 13.43 16.28 12.47 10.98 7.36 5.50 9.44 MEAN OF MIXING RATIO AT 15 GMT. 3.89 5.24 5.57 6.98 8.52 10.83 12.95 16.28 ***** 10.61 7.80 6.13 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -13.0 -1.0 -1.0 6.0 9.4 14.0 14.0 14.0 6.0 5.0 2.1 -3.0 -13.0 DAY 25 3 10 12 2 9 30 2 27 31 11 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.8 29.0 30.0 33.0 42.0 40.4 41.0 40.0 39.0 31.0 33.2 21.0 42.0 DAY 28 19 2 21 17 26 27 10 1 24 1 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 19.0 18.0 25.0 6.0 10.0 14.0 2.2 46.3 15.3 7.0 15.0 46.0 46.3 DAY 3 23 30 20 19 8 30 13 26 31 7 10 MONTHLY TOTAL PRECIPITATION IN MM. 78.0 59.8 113.0 22.0 24.0 42.6 2.2 46.3 30.5 11.5 33.5 91.0 554.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 45.2 16.0 14.2 24.5 NO. OF DAYS WITH PRECIPITATION. 9 4 13 6 5 8 1 1 6 2 5 6 66 NO. OF DAYS PRECIPITATION EQUAL 9 4 13 6 5 8 1 1 6 2 5 6 66 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 4 4 0 1 1 0 1 2 0 2 3 20 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 86 80 82 84 80 82 72 75 85 83 82 87 82 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 62 54 60 58 47 51 47 49 58 59 69 69 57 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 74 66 69 62 54 56 52 55 *** 64 79 81 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 7 0 0 0 0 0 0 0 0 0 0 0 7 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 0 0 2 0 0 0 6 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 0 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 1 3 12 19 26 30 19 1 1 0 112 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 2 1 1 1 0 0 0 0 5 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 26 3 1 0 0 0 0 0 0 0 0 13 43 DATE OF START AND END FREEZING START = 13 DEC. END = 10 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1974 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 4.3 5.4 10.2 14.2 23.2 26.6 27.0 27.8 24.1 18.2 15.8 11.0 17.3 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.4 1.3 6.4 9.1 15.3 19.1 20.9 21.0 17.2 9.3 8.6 4.8 11.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.3 9.6 13.9 19.4 31.1 34.1 33.1 34.6 30.8 27.1 23.0 17.1 23.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.9 8.3 7.5 10.3 15.8 15.0 12.2 13.6 13.6 17.8 14.4 12.3 12.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.99 4.17 5.96 7.42 11.29 13.87 16.11 16.22 13.28 7.20 7.00 5.59 9.34 MEAN OF MIXING RATIO AT 09 GMT. 4.61 4.75 6.11 7.98 12.62 13.00 15.54 14.41 12.03 7.00 7.13 6.16 9.28 MEAN OF MIXING RATIO AT 15 GMT. 4.70 4.62 5.87 7.05 11.99 12.26 14.05 12.35 10.92 6.14 6.24 6.29 8.54 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -4.1 -4.1 -1.1 3.1 8.2 15.2 18.0 16.1 12.4 5.5 4.0 -2.5 -4.1 DAY 6 4 10 3 2 8 9 28 27 22 23 27 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.2 19.2 31.2 34.1 38.9 39.3 41.7 38.9 33.4 31.0 32.5 29.3 41.7 DAY 22 10 17 19 27 14 2 14 11 30 3 9 24 HOUR MAXIMUM PRECIPITATION IN MM. 18.3 28.3 14.7 26.8 30.3 2.6 19.8 17.4 39.8 12.7 9.3 19.3 39.8 DAY 25 16 4 2 6 29 20 29 9 1 6 25 MONTHLY TOTAL PRECIPITATION IN MM. 58.4 75.9 83.2 141.7 32.7 4.1 86.6 29.8 84.8 12.7 16.2 30.8 656.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 33.1 27.2 30.6 9.1 NO. OF DAYS WITH PRECIPITATION. 7 5 9 9 2 2 10 3 6 1 4 4 62 NO. OF DAYS PRECIPITATION EQUAL 7 5 9 9 2 2 10 3 6 1 3 4 61 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 4 5 7 1 0 4 1 3 1 0 1 29 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 86 81 84 86 81 75 85 83 87 82 86 82 83 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 73 69 68 64 56 45 59 48 46 32 44 56 55 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 82 76 75 68 64 49 59 45 47 31 42 63 58 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 1 1 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 2 7 16 18 1 0 0 0 44 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 1 6 21 25 23 30 19 3 2 0 130 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 0 0 0 0 0 1 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 17 9 1 0 0 0 0 0 0 0 0 5 32 DATE OF START AND END FREEZING START = 25 DEC. END = 10 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1975 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 7.1 7.1 10.3 17.1 23.2 28.4 29.9 28.8 26.3 18.1 10.9 6.8 17.8 AVERAGE OF MINIMUM TEMPERATURE IN C. 1.6 2.2 4.3 10.5 15.7 21.0 23.3 22.6 19.3 12.1 5.6 2.2 11.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 12.6 11.9 16.3 23.6 30.8 35.8 36.6 35.0 33.4 24.0 16.2 11.4 24.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.0 9.7 12.0 13.1 15.1 14.8 13.3 12.4 14.2 11.9 10.6 9.2 12.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.20 4.23 5.07 7.93 11.61 16.29 17.18 17.03 13.40 8.59 5.59 4.50 9.63 MEAN OF MIXING RATIO AT 09 GMT. 5.57 5.15 5.79 8.39 11.45 13.37 15.15 16.40 16.73 9.32 5.91 5.41 9.89 MEAN OF MIXING RATIO AT 15 GMT. 5.33 4.79 5.49 7.42 9.82 11.70 12.62 14.01 14.43 7.72 5.02 5.18 8.63 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -3.0 -2.0 -1.5 4.5 10.5 18.5 20.5 18.5 15.5 4.5 0.0 -2.5 -3.0 DAY 15 1 4 1 10 1 15 20 24 22 16 15 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 20.1 19.9 23.1 35.0 38.5 40.8 43.4 41.0 37.9 31.5 25.0 15.8 43.4 DAY 10 10 27 13 28 29 5 6 4 1 25 22 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.2 17.7 11.6 38.5 9.5 7.5 0.0 0.2 0.0 18.5 28.2 13.8 38.5 DAY 14 22 2 24 8 8 ** 16 ** 30 29 24 MONTHLY TOTAL PRECIPITATION IN MM. 38.1 46.1 44.9 76.2 23.0 7.5 0.0 0.2 0.0 25.5 76.5 33.7 371.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 34.7 28.7 0.1 36.5 NO. OF DAYS WITH PRECIPITATION. 7 5 7 5 5 1 0 1 0 5 7 4 47 NO. OF DAYS PRECIPITATION EQUAL 7 5 7 5 3 1 0 0 0 4 7 4 43 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 2 2 2 0 0 0 0 0 1 4 1 13 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 80 82 82 83 83 84 82 85 81 84 86 85 83 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 64 64 53 52 49 40 43 51 55 51 57 70 54 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 68 65 58 54 50 41 42 52 54 49 55 72 55 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 1 15 30 21 8 0 0 0 75 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 5 18 30 31 25 27 3 0 0 139 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 5 1 0 0 0 0 8 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 13 5 5 0 0 0 0 0 0 0 1 11 35 DATE OF START AND END FREEZING START = 16 NOV. END = 10 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1976 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 8.5 4.9 8.8 15.0 21.1 26.5 27.5 30.4 26.9 19.9 12.4 9.2 17.6 AVERAGE OF MINIMUM TEMPERATURE IN C. 3.5 0.2 4.0 9.0 15.7 21.3 22.6 24.5 20.9 13.2 5.3 4.0 12.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 13.5 9.6 13.6 21.0 26.6 31.8 32.3 36.2 32.9 26.7 19.5 14.5 23.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.0 9.4 9.6 12.0 10.9 10.5 9.7 11.7 12.0 13.5 14.2 10.5 11.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.74 3.91 4.71 6.84 10.12 14.34 16.27 17.62 15.09 9.12 5.30 4.77 9.40 MEAN OF MIXING RATIO AT 09 GMT. 5.94 4.63 5.16 7.73 12.69 13.41 15.56 15.79 14.25 11.36 5.59 4.72 9.74 MEAN OF MIXING RATIO AT 15 GMT. 5.58 4.36 4.72 6.73 9.84 11.17 12.50 13.68 11.32 9.60 4.73 4.44 8.22 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -1.5 -5.5 -2.5 4.0 12.5 15.7 18.8 21.5 15.8 7.3 0.0 -1.8 -5.5 DAY 10 17 2 2 3 14 21 20 30 31 22 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 21.2 20.0 22.0 27.5 32.6 40.3 40.0 42.9 41.2 32.6 30.3 21.5 42.9 DAY 6 8 19 12 28 11 30 9 4 2 28 15 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.5 26.0 16.5 24.0 18.5 14.8 5.8 50.3 12.1 25.0 19.3 11.2 50.3 DAY 1 2 8 26 7 13 20 17 14 5 30 1 MONTHLY TOTAL PRECIPITATION IN MM. 24.4 68.3 43.5 71.5 37.5 21.7 15.0 51.6 21.0 54.8 22.4 44.5 476.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 28.6 27.4 18.4 25.6 NO. OF DAYS WITH PRECIPITATION. 5 8 4 10 3 2 4 2 4 6 3 6 57 NO. OF DAYS PRECIPITATION EQUAL 5 8 4 10 3 2 4 2 4 6 2 6 56 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 4 3 2 2 1 0 1 1 2 1 1 18 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 83 84 80 84 83 81 85 81 86 87 85 84 84 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 68 68 61 55 62 51 57 48 50 52 43 49 55 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 72 72 64 58 60 54 54 50 46 50 40 55 56 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 4 0 0 0 0 0 0 0 0 0 0 4 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 19 27 31 15 0 0 0 92 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 5 21 23 31 25 5 1 0 111 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 1 3 1 0 0 0 6 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 3 15 6 0 0 0 0 0 0 0 1 6 31 DATE OF START AND END FREEZING START = 22 NOV. END = 13 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1977 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 3.0 9.6 13.7 18.5 20.2 26.7 26.6 27.3 25.7 16.6 14.3 8.0 17.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.8 3.6 5.8 10.6 13.2 19.6 20.0 21.0 19.7 11.1 7.2 2.8 11.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.7 15.6 21.6 26.4 27.2 33.8 33.2 33.6 31.7 22.0 21.4 13.2 23.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.5 12.0 15.8 15.8 14.0 14.2 13.2 12.6 12.0 10.9 14.2 10.4 12.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.29 4.36 4.97 7.51 9.27 14.69 15.01 16.25 15.13 8.54 6.15 4.54 9.14 MEAN OF MIXING RATIO AT 09 GMT. 3.97 5.14 6.42 7.64 9.39 15.91 14.82 15.02 18.92 8.60 5.55 4.87 9.69 MEAN OF MIXING RATIO AT 15 GMT. 3.72 4.77 5.11 5.89 7.40 12.50 12.01 11.18 16.24 7.25 4.63 4.47 7.93 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.3 -1.5 3.2 5.4 10.0 15.5 16.0 13.5 16.2 4.0 5.5 -1.7 -6.3 DAY 16 2 14 2 11 1 19 30 9 23 15 14 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.9 23.6 33.4 34.6 36.4 41.4 39.5 43.4 36.7 31.5 25.0 26.5 43.4 DAY 7 28 3 15 14 7 26 12 26 5 6 5 24 HOUR MAXIMUM PRECIPITATION IN MM. 28.3 15.5 8.2 29.5 7.3 7.5 7.5 29.9 4.5 11.8 16.5 10.7 29.9 DAY 2 26 23 19 19 4 29 30 5 19 14 2 MONTHLY TOTAL PRECIPITATION IN MM. 73.9 27.9 35.7 55.4 29.9 20.4 14.6 41.2 10.8 48.4 36.9 52.4 447.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 30.7 23.6 14.9 30.8 NO. OF DAYS WITH PRECIPITATION. 13 5 8 7 11 5 6 5 4 9 5 9 87 NO. OF DAYS PRECIPITATION EQUAL 12 5 8 6 9 5 3 5 4 9 4 9 79 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 1 0 1 0 0 0 1 0 2 1 2 10 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 82 76 82 80 82 85 86 87 83 83 80 83 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 63 51 43 37 46 52 51 50 69 55 40 57 51 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 66 55 42 35 43 49 47 41 69 54 43 63 51 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 8 0 0 0 0 0 0 0 0 0 0 0 8 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 7 11 14 5 0 0 0 37 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 2 10 12 28 25 22 23 2 0 0 124 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 0 5 0 0 0 0 7 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 23 4 0 0 0 0 0 0 0 0 0 12 39 DATE OF START AND END FREEZING START = 13 DEC. END = 5 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1978 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 7.7 6.9 10.1 14.4 17.1 23.8 30.7 28.8 25.6 20.5 11.7 12.1 17.4 AVERAGE OF MINIMUM TEMPERATURE IN C. 2.7 1.3 3.9 7.4 9.7 16.5 22.7 22.1 20.4 12.6 5.0 4.4 10.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 12.7 12.5 16.3 21.5 24.5 31.1 38.7 35.6 30.7 28.3 18.4 19.7 24.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.0 11.2 12.4 14.1 14.8 14.6 16.0 13.5 10.3 15.7 13.4 15.3 13.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.32 3.90 4.87 6.35 7.48 12.26 18.35 17.55 15.84 9.15 5.29 5.22 9.21 MEAN OF MIXING RATIO AT 09 GMT. 5.71 5.75 7.57 10.77 11.99 14.49 18.38 16.01 18.09 16.87 6.37 5.43 11.45 MEAN OF MIXING RATIO AT 15 GMT. 5.01 5.04 6.87 9.00 10.14 11.64 13.46 12.69 14.85 13.41 5.77 4.98 9.40 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -2.0 -2.5 1.0 5.5 6.9 10.0 15.7 17.5 15.5 9.5 2.0 -2.5 -2.5 DAY 15 6 4 13 8 2 5 23 27 27 3 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.2 16.5 22.0 26.7 29.5 39.8 43.5 43.0 39.5 30.5 24.3 23.5 43.5 DAY 3 17 31 6 17 30 28 4 11 29 1 17 24 HOUR MAXIMUM PRECIPITATION IN MM. 19.0 26.5 21.5 19.5 49.5 14.5 0.0 18.3 3.6 7.5 19.0 12.0 49.5 DAY 22 12 7 15 2 2 ** 21 7 1 2 16 MONTHLY TOTAL PRECIPITATION IN MM. 56.5 107.1 65.0 68.5 89.0 35.5 0.0 23.8 6.4 15.0 69.3 47.5 583.6 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 39.2 33.1 5.2 22.6 NO. OF DAYS WITH PRECIPITATION. 7 9 12 8 12 5 0 2 2 3 13 9 82 NO. OF DAYS PRECIPITATION EQUAL 7 9 12 7 12 5 0 2 2 3 13 9 81 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 4 2 2 2 2 0 1 0 0 3 1 19 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 78 78 83 86 86 84 84 87 88 83 84 89 84 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 67 67 69 71 65 55 46 50 73 72 51 40 61 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 74 73 77 72 68 55 41 48 71 71 59 47 63 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 23 21 15 0 0 0 60 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 17 27 24 17 3 0 0 88 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 16 4 0 0 0 0 20 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 7 9 0 0 0 0 0 0 0 0 0 2 18 DATE OF START AND END FREEZING START = 25 DEC. END = 26 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1979 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 11.6 12.3 15.4 14.8 18.1 27.3 30.2 28.4 26.3 21.7 18.1 12.0 19.7 AVERAGE OF MINIMUM TEMPERATURE IN C. 2.8 3.8 6.1 6.3 8.4 18.7 22.0 20.6 18.9 13.5 9.1 5.2 11.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 20.4 20.9 24.7 23.4 27.8 36.0 38.4 36.4 33.8 30.0 27.0 18.7 28.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 17.6 17.1 18.6 17.1 19.4 17.3 16.4 15.8 14.9 16.5 17.9 13.5 16.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.55 4.89 5.85 5.94 6.93 14.29 17.72 16.31 14.49 10.03 7.30 5.57 9.49 MEAN OF MIXING RATIO AT 09 GMT. 5.31 5.91 6.42 5.46 7.62 15.29 21.03 17.36 14.43 12.70 8.63 5.28 10.45 MEAN OF MIXING RATIO AT 15 GMT. 4.78 4.96 5.16 4.19 5.66 11.77 16.56 13.69 11.62 9.97 6.56 4.34 8.27 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -2.0 -3.0 3.5 4.5 5.5 10.8 17.5 14.5 15.5 9.5 6.5 -1.5 -3.0 DAY 10 19 1 18 1 1 15 3 18 12 22 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 25.5 26.5 28.5 27.0 33.5 42.5 43.5 40.3 38.0 35.6 32.7 29.7 43.5 DAY 4 12 18 9 21 29 26 16 6 3 20 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.5 12.0 11.0 21.0 18.0 4.5 0.0 1.8 27.2 44.6 17.0 28.3 44.6 DAY 23 21 28 30 7 9 ** 20 15 17 4 15 MONTHLY TOTAL PRECIPITATION IN MM. 53.5 105.3 37.0 107.1 56.7 6.0 0.0 4.5 45.2 50.1 32.0 86.1 583.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 33.6 29.1 8.5 28.8 NO. OF DAYS WITH PRECIPITATION. 8 15 7 15 6 2 0 3 3 2 5 6 72 NO. OF DAYS PRECIPITATION EQUAL 8 15 7 15 6 2 0 3 3 2 5 6 72 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 3 1 4 3 0 0 0 2 1 1 4 22 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 85 85 89 89 88 80 81 83 87 84 86 86 85 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 39 41 35 32 34 44 53 48 47 50 39 43 42 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 44 44 35 31 31 40 49 44 45 46 37 45 41 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 10 25 17 5 0 0 0 57 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 10 28 31 30 27 14 6 0 146 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 6 1 0 0 0 0 11 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 7 5 0 0 0 0 0 0 0 0 0 3 15 DATE OF START AND END FREEZING START = 22 DEC. END = 22 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1980 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 6.4 7.6 9.9 14.1 21.6 26.4 29.1 27.8 24.0 20.5 16.2 12.0 18.0 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.5 3.5 6.3 8.8 14.0 17.7 19.4 19.4 16.5 12.8 9.5 4.5 11.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 12.1 11.7 13.6 19.4 29.1 35.1 38.8 36.1 31.6 28.1 22.9 19.4 24.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.6 8.2 7.3 10.7 15.1 17.4 19.4 16.7 15.1 15.3 13.4 14.9 13.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.86 4.71 5.82 6.99 10.45 13.27 15.56 14.87 12.32 9.62 7.66 5.30 9.20 MEAN OF MIXING RATIO AT 09 GMT. 4.21 4.32 5.89 7.70 13.10 19.20 25.55 20.04 15.24 11.80 7.02 5.67 11.64 MEAN OF MIXING RATIO AT 15 GMT. 3.60 4.07 5.48 6.65 10.02 14.88 21.15 15.68 11.53 10.30 6.08 4.48 9.49 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -5.5 -2.5 3.5 6.0 8.5 10.5 9.5 15.0 14.5 8.5 5.5 2.0 -5.5 DAY 25 25 16 8 7 28 4 30 17 23 24 15 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 22.5 14.7 17.3 26.9 39.6 40.5 42.5 42.5 36.5 32.6 26.4 26.5 42.5 DAY 3 16 31 30 22 5 14 5 3 7 7 5 24 HOUR MAXIMUM PRECIPITATION IN MM. 23.2 45.7 11.8 4.0 9.5 3.7 0.0 11.5 35.7 8.5 66.2 24.5 66.2 DAY 7 19 15 14 6 18 ** 8 22 28 2 26 MONTHLY TOTAL PRECIPITATION IN MM. 57.0 88.3 61.0 12.8 36.2 6.2 0.0 28.0 55.2 21.1 126.5 70.7 563.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 36.6 9.8 14.8 38.8 NO. OF DAYS WITH PRECIPITATION. 8 11 12 6 7 3 0 5 5 5 9 6 77 NO. OF DAYS PRECIPITATION EQUAL 8 11 12 6 7 3 0 5 5 5 9 6 77 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 2 1 0 0 0 0 1 1 0 4 3 13 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 80 83 85 86 83 80 78 84 88 87 89 88 84 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 53 54 65 61 54 60 63 57 58 54 45 45 56 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 56 63 74 66 52 57 66 56 55 59 49 48 58 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 2 0 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 17 5 0 0 0 0 23 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 14 29 31 28 25 6 0 0 133 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 8 2 0 0 0 0 11 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 15 4 0 0 0 0 0 0 0 0 0 0 19 DATE OF START AND END FREEZING START = 12 JAN. END = 26 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1981 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 12.2 11.0 12.5 15.4 20.2 27.0 28.9 28.9 24.5 19.2 14.3 13.1 18.9 AVERAGE OF MINIMUM TEMPERATURE IN C. 4.5 3.4 5.1 7.6 12.5 20.1 22.2 21.6 16.5 10.2 6.6 5.3 11.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 20.0 18.7 19.9 23.1 27.9 34.0 35.5 36.3 32.4 28.2 22.1 20.8 26.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 15.5 15.3 14.8 15.5 15.4 13.9 13.3 14.7 15.9 18.0 15.5 15.5 15.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 5.13 4.86 5.41 6.49 9.19 15.36 17.98 17.17 12.38 7.63 6.01 5.49 9.42 MEAN OF MIXING RATIO AT 09 GMT. 6.27 6.37 6.10 9.29 14.11 19.41 23.76 27.24 17.85 12.37 7.75 6.75 13.11 MEAN OF MIXING RATIO AT 15 GMT. 5.79 5.28 5.14 7.29 12.07 15.65 21.13 24.20 13.88 10.17 6.02 5.66 11.02 ABSOLUTE OF MINIMUM TEMPERATURE IN C. 1.5 -1.0 2.5 -1.0 7.5 16.0 19.5 18.5 9.0 6.0 4.0 2.0 -1.0 DAY 15 4 1 2 1 1 21 21 24 31 9 13 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 26.0 23.6 25.3 28.9 31.5 38.5 41.0 40.7 39.5 34.2 30.0 26.6 41.0 DAY 18 9 22 20 9 30 9 7 2 5 13 17 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.5 12.9 21.5 35.0 40.0 0.0 16.5 15.5 38.0 4.5 29.5 13.5 40.0 DAY 19 27 4 1 17 ** 20 15 1 9 30 19 MONTHLY TOTAL PRECIPITATION IN MM. 34.3 52.1 92.4 74.5 83.5 0.0 47.9 30.0 59.1 11.5 73.5 39.5 598.3 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 29.9 26.4 22.9 20.8 NO. OF DAYS WITH PRECIPITATION. 6 11 10 8 7 0 8 4 3 4 4 4 69 NO. OF DAYS PRECIPITATION EQUAL 6 11 10 8 7 0 5 4 3 4 4 4 66 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 5 2 3 0 2 1 3 0 3 2 23 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 86 89 89 86 82 81 84 83 81 81 84 85 84 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 47 51 47 56 65 63 69 76 61 56 54 49 58 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 62 57 52 58 70 62 74 82 56 59 53 53 62 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 11 27 21 5 0 0 0 64 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 5 30 28 29 23 9 1 0 125 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 1 0 0 0 0 3 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 0 2 0 1 0 0 0 0 0 0 0 0 3 DATE OF START AND END FREEZING START = 4 FEB. END = 2 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1982 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 9.7 6.1 9.4 17.8 20.8 ***** 29.2 25.8 24.9 17.5 9.4 6.7 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. 3.4 1.0 4.2 10.3 14.5 ***** 21.3 19.9 18.1 11.0 4.9 1.5 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 14.2 11.2 14.5 25.3 27.1 ***** 37.1 31.8 31.7 24.1 13.9 12.0 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.8 10.2 10.3 15.0 12.6 ***** 15.8 11.9 13.6 13.1 9.0 10.5 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 5.05 3.97 4.97 7.83 10.74 ***** 16.35 14.53 12.25 7.87 5.37 4.23 ***** MEAN OF MIXING RATIO AT 09 GMT. 5.62 4.71 5.40 10.32 11.46 ***** 17.30 15.68 13.16 8.42 5.13 4.49 ***** MEAN OF MIXING RATIO AT 15 GMT. 4.82 4.19 5.02 8.62 9.32 ***** 12.11 12.39 10.01 6.37 4.86 3.83 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -2.5 -2.0 0.0 5.0 9.5 ***** 17.5 16.5 12.5 4.5 0.5 -3.0 ****** DAY 21 9 29 2 7 ** 1 14 21 26 18 12 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 25.0 20.0 23.6 33.8 36.6 ***** 43.4 36.4 36.2 30.0 23.4 17.6 ****** DAY 8 5 11 24 1 ** 9 31 3 15 6 31 24 HOUR MAXIMUM PRECIPITATION IN MM. 30.0 9.5 10.5 4.5 9.0 ***** 18.4 17.0 4.5 27.5 34.5 8.5 ****** DAY 30 6 27 2 9 ** 20 11 12 3 27 26 MONTHLY TOTAL PRECIPITATION IN MM. 65.2 38.5 46.0 5.5 41.5 ***** 20.9 24.5 4.5 93.0 111.5 24.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 31.5 9.9 10.5 48.1 NO. OF DAYS WITH PRECIPITATION. 9 8 6 2 12 *** 2 5 1 12 13 5 *** NO. OF DAYS PRECIPITATION EQUAL 9 8 6 2 12 *** 2 5 1 12 13 5 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 0 2 0 0 *** 1 1 0 3 4 0 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 86 82 81 78 80 *** 77 81 81 82 86 82 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 57 62 60 60 59 *** 49 61 49 51 58 57 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 62 71 70 64 62 *** 46 62 48 51 74 67 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 *** 0 0 0 0 0 0 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 *** 19 9 6 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 0 0 0 0 *** 0 0 0 0 0 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 6 10 *** 30 23 24 2 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 *** 5 0 0 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 *** 0 0 0 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 3 12 1 0 0 *** 0 0 0 0 0 14 *** DATE OF START AND END FREEZING START = 7 DEC. END = 29 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1983 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 6.1 7.8 10.1 16.2 23.0 26.8 30.6 28.4 24.6 18.1 14.7 9.6 18.0 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.5 1.6 4.0 8.4 15.3 19.9 23.8 22.3 17.0 10.6 7.2 3.4 11.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 11.2 14.0 16.3 24.0 30.7 33.6 37.4 34.4 32.1 25.5 22.2 15.6 24.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.7 12.4 12.3 15.6 15.4 13.7 13.6 12.1 15.1 14.9 15.0 12.2 13.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.93 4.01 4.74 6.57 11.19 14.57 17.27 16.46 12.65 8.14 6.24 4.78 9.21 MEAN OF MIXING RATIO AT 09 GMT. 4.67 5.81 5.60 7.00 10.16 16.26 18.61 16.64 12.67 7.46 7.08 5.55 9.79 MEAN OF MIXING RATIO AT 15 GMT. 3.59 4.45 5.01 5.67 6.82 12.39 14.41 12.80 9.21 6.11 5.34 4.41 7.52 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -4.5 -2.0 1.5 5.5 10.5 15.5 20.0 16.5 9.5 7.5 2.0 -2.0 -4.5 DAY 28 4 7 1 1 29 1 28 28 24 27 19 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.2 17.6 23.4 32.4 35.4 41.4 44.6 40.6 35.6 31.2 35.4 24.4 44.6 DAY 23 21 26 17 23 17 13 13 19 2 2 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 16.0 10.5 12.9 5.5 9.5 8.5 0.0 4.5 11.5 17.5 8.5 33.5 33.5 DAY 26 22 24 21 30 29 ** 16 3 5 25 12 MONTHLY TOTAL PRECIPITATION IN MM. 65.0 21.0 58.4 17.5 21.0 12.0 0.0 13.5 28.5 17.5 20.0 90.0 364.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 39.6 13.9 11.5 35.0 NO. OF DAYS WITH PRECIPITATION. 8 3 8 5 4 2 0 5 7 1 5 7 55 NO. OF DAYS PRECIPITATION EQUAL 8 3 8 5 4 2 0 5 7 1 5 7 55 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 1 3 0 0 0 0 0 1 1 0 2 10 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 78 78 79 76 79 77 79 83 83 80 82 83 80 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 64 64 54 44 41 55 52 54 47 42 48 55 52 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 70 72 68 51 36 52 49 47 41 47 52 65 54 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 3 0 0 0 0 0 0 0 0 0 0 0 3 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 10 29 23 0 0 0 0 62 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 3 18 26 31 30 27 2 1 0 138 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 7 2 0 0 0 0 11 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 14 8 0 0 0 0 0 0 0 0 0 11 33 DATE OF START AND END FREEZING START = 16 DEC. END = 28 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1984 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 8.0 4.6 9.1 16.4 18.1 24.5 29.6 27.5 23.9 15.5 14.3 6.0 16.5 AVERAGE OF MINIMUM TEMPERATURE IN C. 1.7 -0.4 5.2 9.6 12.2 17.8 22.1 21.9 18.5 9.9 8.6 0.6 10.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 14.4 9.3 12.9 23.2 24.0 31.2 37.1 33.2 29.2 21.2 20.0 11.4 22.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.7 9.7 7.7 13.6 11.8 13.4 15.0 11.3 10.7 11.3 11.4 10.8 11.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.19 3.47 5.31 7.37 8.72 13.12 16.80 16.81 13.78 7.45 6.95 3.85 8.99 MEAN OF MIXING RATIO AT 09 GMT. 5.22 4.00 5.36 9.72 10.13 13.56 15.50 16.14 15.29 7.33 6.96 4.75 9.49 MEAN OF MIXING RATIO AT 15 GMT. 3.92 3.04 3.99 6.87 7.29 10.88 12.92 11.39 12.73 5.87 5.39 3.20 7.29 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -2.0 -4.0 1.5 6.5 5.5 15.0 19.0 18.0 15.5 6.0 3.5 -2.5 -4.0 DAY 22 8 1 3 2 15 2 31 24 23 30 2 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 19.0 13.4 18.8 33.8 36.2 39.0 40.6 37.0 33.0 28.4 24.2 15.6 40.6 DAY 5 13 24 21 26 5 31 7 15 17 11 14 24 HOUR MAXIMUM PRECIPITATION IN MM. 19.0 17.0 28.5 13.0 22.0 8.5 0.0 2.0 3.0 17.5 21.5 16.5 28.5 DAY 31 14 16 4 2 12 ** 29 2 7 14 15 MONTHLY TOTAL PRECIPITATION IN MM. 42.0 55.0 104.5 37.5 94.0 19.0 0.0 8.0 5.5 34.5 64.5 48.5 513.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 39.3 29.3 2.6 28.8 NO. OF DAYS WITH PRECIPITATION. 4 9 14 6 9 3 0 5 2 4 8 8 72 NO. OF DAYS PRECIPITATION EQUAL 4 9 14 6 9 3 0 5 2 4 7 8 71 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 2 2 1 5 0 0 0 0 1 3 1 17 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 83 81 80 79 76 78 77 85 86 78 82 81 81 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 57 59 64 61 59 56 43 56 65 56 55 62 58 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 63 65 67 62 61 58 44 47 74 63 64 62 61 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 1 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 23 26 0 0 0 0 50 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 1 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 2 4 19 31 28 10 0 0 0 94 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 3 0 0 0 0 0 3 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 7 17 0 0 0 0 0 0 0 0 0 15 39 DATE OF START AND END FREEZING START = 2 DEC. END = 27 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1985 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 7.1 8.2 7.9 16.3 22.5 26.9 26.3 27.5 25.4 18.7 14.6 9.1 17.6 AVERAGE OF MINIMUM TEMPERATURE IN C. 2.5 2.8 2.6 9.4 14.4 19.3 19.0 19.7 17.5 10.5 8.4 3.9 10.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 11.6 13.7 13.2 23.1 30.6 34.6 33.6 35.3 33.3 26.8 20.7 14.4 24.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.1 10.9 10.6 13.7 16.2 15.3 14.6 15.6 15.8 16.3 12.3 10.5 13.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.34 4.47 4.51 7.29 10.25 14.39 14.25 14.69 12.93 7.79 6.76 4.78 8.87 MEAN OF MIXING RATIO AT 09 GMT. 4.69 5.28 5.27 8.59 13.52 15.83 16.28 18.61 14.74 11.60 6.11 5.39 10.49 MEAN OF MIXING RATIO AT 15 GMT. 3.58 4.01 4.20 6.38 9.80 11.43 11.41 13.51 11.03 8.19 5.01 3.64 7.68 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -3.0 -3.0 -3.0 5.5 10.4 17.0 16.5 16.0 14.0 6.5 5.0 -1.5 -3.0 DAY 1 24 5 22 2 3 31 31 25 31 25 15 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 17.0 25.0 20.0 33.0 35.6 41.6 36.9 40.6 38.6 35.6 25.0 22.4 41.6 DAY 25 15 15 30 31 27 21 9 1 20 5 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.0 15.0 7.0 8.5 3.5 4.5 3.0 15.0 3.5 20.0 10.0 14.0 20.0 DAY 16 6 1 16 4 23 3 13 13 11 27 4 MONTHLY TOTAL PRECIPITATION IN MM. 33.0 85.5 25.0 18.0 3.5 4.5 7.5 26.5 6.0 49.0 24.0 54.0 336.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 42.6 7.7 11.9 37.7 NO. OF DAYS WITH PRECIPITATION. 10 11 7 3 1 1 4 4 2 6 4 7 60 NO. OF DAYS PRECIPITATION EQUAL 10 11 7 3 1 1 4 4 2 6 4 7 60 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 3 0 0 0 0 0 1 0 3 1 2 10 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 81 80 80 77 71 78 80 77 81 79 81 79 79 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 63 65 63 57 57 52 56 58 52 58 46 59 57 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 66 66 70 62 57 49 51 54 52 58 56 57 58 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 4 8 1 0 0 0 15 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 2 18 30 31 31 30 4 0 0 146 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 0 2 0 0 0 0 3 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 3 7 9 0 0 0 0 0 0 0 0 5 24 DATE OF START AND END FREEZING START = 15 DEC. END = 11 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1986 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 8.2 8.5 7.9 14.2 20.9 26.7 28.7 27.7 26.1 19.9 11.9 7.5 17.3 AVERAGE OF MINIMUM TEMPERATURE IN C. 2.4 3.2 2.3 8.1 14.1 18.7 20.4 19.8 17.6 11.4 5.8 2.0 10.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 13.9 13.5 13.1 20.3 27.7 34.8 36.9 35.6 34.6 28.3 18.0 12.9 24.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.5 10.3 10.8 12.2 13.6 16.1 16.5 15.8 17.0 16.9 12.2 10.9 13.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.30 4.40 4.15 6.55 10.07 13.63 15.83 15.16 13.03 8.03 5.61 3.98 8.73 MEAN OF MIXING RATIO AT 09 GMT. 4.86 4.44 5.10 6.57 11.81 19.69 23.58 21.48 18.96 9.12 6.08 4.40 11.34 MEAN OF MIXING RATIO AT 15 GMT. 3.55 3.50 3.85 5.52 8.63 14.71 17.34 15.22 12.70 5.72 3.79 3.30 8.15 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -3.0 0.0 -2.5 4.5 10.0 16.5 16.5 16.5 14.5 9.5 1.5 -4.0 -4.0 DAY 22 1 3 3 6 23 2 6 21 1 18 12 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.6 17.4 19.0 30.0 33.0 39.0 44.4 40.0 36.6 38.6 27.0 19.4 44.4 DAY 10 28 30 16 24 6 13 18 13 5 4 27 24 HOUR MAXIMUM PRECIPITATION IN MM. 14.5 20.0 18.5 8.0 2.5 0.0 44.0 50.0 5.5 15.5 21.0 16.5 50.0 DAY 5 11 20 23 5 ** 22 5 18 1 12 4 MONTHLY TOTAL PRECIPITATION IN MM. 36.5 89.0 59.0 31.0 6.0 0.0 48.5 133.5 5.5 41.5 57.0 82.5 590.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 31.3 6.3 31.8 30.7 NO. OF DAYS WITH PRECIPITATION. 5 10 8 7 4 0 3 4 1 5 8 12 67 NO. OF DAYS PRECIPITATION EQUAL 5 10 8 7 4 0 3 4 1 5 8 12 67 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 3 2 0 0 0 1 3 0 2 1 4 17 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 78 74 76 77 74 77 81 81 82 75 78 72 77 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 58 53 62 52 59 65 67 65 62 43 51 54 58 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 63 61 69 61 60 69 65 65 59 38 49 60 60 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 1 1 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 15 10 1 0 0 0 27 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 10 29 29 30 29 9 0 0 137 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 8 1 0 0 0 0 9 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 9 1 7 0 0 0 0 0 0 0 0 8 25 DATE OF START AND END FREEZING START = 10 DEC. END = 17 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1987 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 9.9 8.2 9.4 14.2 23.2 28.7 29.0 28.2 23.8 15.9 12.9 8.2 17.6 AVERAGE OF MINIMUM TEMPERATURE IN C. 3.3 2.3 4.5 7.3 15.2 20.1 20.9 20.1 16.0 8.8 6.0 2.7 10.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 16.5 14.2 14.4 21.2 31.1 37.2 37.1 36.3 31.7 23.0 19.8 13.7 24.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.2 11.9 9.9 13.9 15.9 17.1 16.2 16.2 15.7 14.2 13.8 11.0 14.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.39 4.25 4.86 6.00 11.15 15.66 16.24 15.78 12.03 7.17 5.62 4.34 8.96 MEAN OF MIXING RATIO AT 09 GMT. 5.52 4.53 4.71 6.26 13.26 22.50 21.35 19.24 15.24 7.38 5.83 4.68 10.88 MEAN OF MIXING RATIO AT 15 GMT. 3.98 3.81 3.87 4.89 9.53 14.58 15.00 12.66 10.31 5.14 4.21 3.39 7.61 ABSOLUTE OF MINIMUM TEMPERATURE IN C. 0.0 -1.0 1.5 4.0 10.0 17.0 16.5 15.5 9.0 3.5 0.0 -2.0 -2.0 DAY 22 13 16 1 1 4 4 30 25 29 30 2 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 22.4 29.0 21.0 32.0 40.0 41.6 41.0 40.6 35.6 36.6 24.0 23.0 41.6 DAY 9 24 24 17 23 29 7 17 4 2 6 23 24 HOUR MAXIMUM PRECIPITATION IN MM. 14.5 24.5 45.5 32.0 33.6 0.0 10.5 4.5 2.0 23.0 13.5 16.5 45.5 DAY 7 11 31 2 6 ** 27 29 19 26 8 6 MONTHLY TOTAL PRECIPITATION IN MM. 45.0 78.5 167.5 97.6 38.6 0.0 17.5 10.0 2.0 81.0 44.1 66.5 648.3 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 44.9 21.0 4.6 29.6 NO. OF DAYS WITH PRECIPITATION. 4 8 18 11 4 0 4 3 1 9 6 8 76 NO. OF DAYS PRECIPITATION EQUAL 4 8 18 11 4 0 4 3 1 9 6 8 76 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 4 6 4 1 0 1 0 0 4 2 4 29 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 73 75 75 75 77 80 77 80 80 77 77 74 77 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 54 52 52 49 54 65 61 57 60 46 45 55 54 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 61 65 62 57 57 61 60 55 58 50 49 58 58 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 12 19 16 0 0 0 0 47 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 2 18 30 31 31 23 2 0 0 137 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 7 5 2 0 0 0 0 15 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 1 6 0 0 0 0 0 0 0 0 1 6 14 DATE OF START AND END FREEZING START = 30 NOV. END = 18 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1988 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 5.9 6.9 11.2 15.6 20.7 ***** ***** ***** ***** ***** 14.3 ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. 1.4 1.4 5.4 8.1 13.0 ***** ***** ***** ***** ***** 7.6 ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.4 12.4 17.1 23.0 28.3 ***** ***** ***** ***** ***** 21.0 ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.0 11.0 11.7 14.9 15.3 ***** ***** ***** ***** ***** 13.4 ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.67 3.67 5.16 6.71 9.52 ***** ***** ***** ***** ***** 6.45 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 4.40 4.47 5.56 8.02 11.35 ***** ***** ***** ***** ***** 7.66 ***** ***** MEAN OF MIXING RATIO AT 15 GMT. 3.25 3.77 4.73 5.57 8.64 ***** ***** ***** ***** ***** 7.16 ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -4.5 -2.0 2.5 0.6 8.5 ***** ***** ***** ***** ***** 2.5 ***** ****** DAY 22 7 8 7 3 ** ** ** ** ** 16 ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.0 20.0 23.0 30.6 36.0 ***** ***** ***** ***** ***** 33.5 ***** ****** DAY 12 29 27 23 30 ** ** ** ** ** 8 ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 17.0 12.5 11.5 10.5 5.0 ***** ***** ***** ***** ***** 15.5 ***** ****** DAY 7 3 16 9 3 ** ** ** ** ** 20 ** MONTHLY TOTAL PRECIPITATION IN MM. 96.5 44.5 52.0 40.7 14.0 ***** ***** ***** ***** ***** 36.0 ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 68.0 19.3 ***** 12.7 NO. OF DAYS WITH PRECIPITATION. 11 7 9 8 4 *** *** *** *** *** 8 *** *** NO. OF DAYS PRECIPITATION EQUAL 11 7 9 7 4 *** *** *** *** *** 8 *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 5 1 2 2 0 *** *** *** *** *** 1 *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 70 70 70 69 72 *** *** *** *** *** 83 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 62 55 52 51 57 *** *** *** *** *** 56 *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 63 68 65 55 58 *** *** *** *** *** 72 *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 1 0 0 0 0 *** *** *** *** *** 0 *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 *** *** *** *** *** 0 *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 *** *** *** *** *** 0 *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 14 *** *** *** *** *** 2 *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 *** *** *** *** *** 0 *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 *** *** *** *** *** 0 *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 8 8 0 0 0 *** *** *** *** *** 0 *** *** DATE OF START AND END FREEZING START = 3 JAN. END = 28 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1989 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** ***** ***** NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** *** *** *** *** *** DATE OF START AND END FREEZING START = ** **** END = ** **** IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** ***** ***** NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** *** *** *** *** *** DATE OF START AND END FREEZING START = ** **** END = ** **** IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** ***** ***** NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** *** *** *** *** *** DATE OF START AND END FREEZING START = ** **** END = ** **** IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1992 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 5.3 ***** 8.9 14.7 18.1 26.0 27.5 25.5 23.4 18.5 ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -0.0 ***** 3.6 9.7 12.2 19.5 21.9 19.8 16.4 10.9 ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.9 ***** 14.2 19.7 24.1 32.5 33.1 31.0 30.4 26.1 ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.9 ***** 10.6 10.0 11.9 13.0 11.2 11.2 14.0 15.2 ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.01 ***** 5.09 7.91 9.63 14.61 17.13 14.71 12.05 8.05 ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 4.69 ***** 6.07 9.32 10.28 12.95 16.55 14.09 11.67 8.31 ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. 4.58 ***** 6.20 9.69 11.27 13.80 16.39 14.51 12.46 8.74 ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.0 ***** -3.1 5.5 5.0 15.6 18.0 14.0 12.0 6.8 ***** ***** ****** DAY 9 ** 3 17 6 10 12 31 2 17 ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 20.0 ***** 25.0 32.6 34.5 40.0 37.0 35.4 33.4 35.2 ***** ***** ****** DAY 2 ** 30 13 29 17 9 24 7 24 ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 11.1 ***** 30.5 27.6 81.2 40.8 4.2 15.0 8.5 7.9 ***** ***** ****** DAY 4 ** 25 19 14 12 11 8 4 15 ** ** MONTHLY TOTAL PRECIPITATION IN MM. 36.1 ***** 103.8 116.1 193.2 55.9 13.4 59.1 18.2 11.2 ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 23.0 60.2 14.9 1.8 NO. OF DAYS WITH PRECIPITATION. 8 *** 12 15 14 6 7 11 4 4 *** *** *** NO. OF DAYS PRECIPITATION EQUAL 5 *** 12 12 11 4 5 9 3 3 *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 *** 3 4 2 1 0 3 0 0 *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 *** 91 92 88 86 90 90 87 88 *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 67 *** 70 76 63 51 59 59 49 49 *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 78 *** 74 85 75 59 62 65 60 62 *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 4 *** 0 0 0 0 0 0 0 0 *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 *** 0 0 0 10 20 9 2 0 *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 *** 0 0 0 0 0 0 0 0 *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 *** 0 2 7 24 28 20 24 7 *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 *** 0 0 0 1 0 0 0 0 *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 *** 0 0 0 0 0 0 0 0 *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 16 *** 7 0 0 0 0 0 0 0 *** *** *** DATE OF START AND END FREEZING START = 4 JAN. END = 26 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1993 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 6.8 6.2 10.8 16.6 21.4 26.0 26.6 28.9 25.2 18.0 ***** 8.8 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. 1.2 1.5 4.1 10.1 14.8 19.4 21.3 23.0 18.8 10.8 ***** 4.6 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 12.4 11.0 17.6 23.1 28.1 32.6 32.0 34.7 31.7 25.2 14.3 13.0 23.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.2 9.5 13.5 13.0 13.3 13.2 10.7 11.7 12.9 14.4 ***** 8.4 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.20 4.44 5.02 7.59 10.56 13.43 15.61 16.70 13.88 6.99 6.23 5.37 9.17 MEAN OF MIXING RATIO AT 09 GMT. 4.67 4.86 5.77 9.42 10.78 12.96 15.00 16.15 14.24 7.54 6.44 6.13 9.50 MEAN OF MIXING RATIO AT 15 GMT. 4.98 5.25 6.56 9.62 11.95 13.33 14.88 16.60 14.66 7.22 6.68 6.16 9.82 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -3.0 -10.4 -1.0 3.6 7.5 15.0 19.4 18.2 12.6 4.8 ***** -1.0 ****** DAY 23 17 16 24 10 6 6 26 27 10 ** 1 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 23.5 22.0 29.0 36.4 35.0 41.8 35.4 40.0 36.8 34.8 22.0 24.6 41.8 DAY 29 27 27 19 31 28 9 10 2 1 9 23 24 HOUR MAXIMUM PRECIPITATION IN MM. 13.6 17.4 17.0 14.5 10.4 2.9 41.8 9.0 14.3 15.8 15.2 10.0 41.8 DAY 10 16 22 13 8 19 18 3 10 29 3 2 MONTHLY TOTAL PRECIPITATION IN MM. 40.6 73.3 69.9 33.1 11.6 12.9 49.1 35.5 20.1 16.9 79.2 32.6 474.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 38.7 12.1 22.1 27.1 NO. OF DAYS WITH PRECIPITATION. 9 13 11 10 4 9 6 6 5 3 13 10 99 NO. OF DAYS PRECIPITATION EQUAL 6 11 8 6 1 5 6 5 4 1 11 7 71 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 4 3 1 1 0 1 0 1 1 3 1 18 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 89 93 89 90 90 82 85 88 91 82 96 93 89 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 63 73 59 68 55 52 53 53 55 43 72 73 60 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 76 80 66 74 61 54 54 59 63 42 83 85 66 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 1 0 0 0 0 0 0 0 0 *** 0 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 9 11 26 8 0 *** 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 5 13 19 12 29 20 2 0 0 100 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 3 0 1 0 0 0 0 4 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 11 8 5 0 0 0 0 0 0 0 *** 3 *** DATE OF START AND END FREEZING START = 1 DEC. END = 17 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 8.0 6.4 10.5 16.8 21.9 24.6 27.3 27.9 23.0 18.4 15.5 7.8 17.3 AVERAGE OF MINIMUM TEMPERATURE IN C. 3.5 1.9 6.2 10.8 14.8 19.0 22.0 23.3 16.1 12.7 10.5 2.9 12.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 12.6 11.0 14.7 22.8 29.0 30.2 32.5 32.6 29.9 24.1 20.3 12.8 22.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.1 9.1 8.5 12.0 14.2 11.2 10.5 9.3 13.8 11.4 9.8 9.9 10.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 5.01 4.27 5.91 8.34 10.77 13.58 14.66 16.56 11.14 8.90 7.43 4.46 9.25 MEAN OF MIXING RATIO AT 09 GMT. 5.75 4.71 6.82 9.33 11.00 12.98 14.08 15.52 11.40 9.66 8.16 5.20 9.55 MEAN OF MIXING RATIO AT 15 GMT. 6.13 4.69 7.21 9.94 11.26 13.08 14.02 15.80 12.10 7.97 8.52 5.42 9.68 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -1.2 -4.4 0.4 1.4 10.0 12.8 18.2 21.0 12.2 7.0 6.0 -1.2 -4.4 DAY 12 21 3 5 8 6 2 10 13 26 12 27 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 23.0 23.2 25.0 35.6 35.4 39.0 36.6 37.4 33.8 30.4 28.2 20.0 39.0 DAY 31 27 29 23 27 1 24 16 12 19 3 14 24 HOUR MAXIMUM PRECIPITATION IN MM. 35.2 13.1 27.0 6.0 12.9 13.4 4.9 14.1 15.0 9.4 13.4 24.2 35.2 DAY 6 9 13 3 6 29 26 27 3 9 26 21 MONTHLY TOTAL PRECIPITATION IN MM. 106.2 50.1 62.1 9.0 28.7 40.8 4.9 31.7 39.4 48.2 41.0 65.0 527.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 41.4 14.9 14.4 29.3 NO. OF DAYS WITH PRECIPITATION. 11 13 14 6 7 15 4 8 9 14 10 8 119 NO. OF DAYS PRECIPITATION EQUAL 7 8 9 2 4 8 1 6 6 8 6 5 70 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 1 1 0 2 2 0 1 1 0 1 2 14 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 93 89 95 93 86 88 80 87 87 89 89 82 88 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 71 68 75 60 52 59 51 56 50 58 63 63 61 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 87 75 84 70 57 62 54 62 60 57 78 81 69 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 1 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 6 24 31 2 0 0 0 63 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 6 16 15 27 26 16 1 0 0 107 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 4 8 0 0 0 0 0 0 0 0 0 9 21 DATE OF START AND END FREEZING START = 7 DEC. END = 22 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 9.1 9.1 12.4 17.6 22.6 26.9 29.2 29.5 25.4 17.8 15.4 8.7 18.6 AVERAGE OF MINIMUM TEMPERATURE IN C. 4.3 4.0 7.2 11.6 15.0 19.6 24.0 24.5 18.8 11.5 7.9 3.3 12.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 14.1 14.2 17.5 23.6 30.1 34.1 34.5 34.4 32.0 24.1 23.0 14.2 24.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.8 10.2 10.3 12.0 15.1 14.5 10.5 9.9 13.2 12.6 15.1 10.9 12.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.93 4.72 5.54 8.12 10.21 12.65 16.69 17.28 12.92 8.38 5.98 4.47 9.32 MEAN OF MIXING RATIO AT 09 GMT. 5.56 5.34 6.76 8.88 10.28 12.07 15.83 16.44 12.44 8.93 7.21 5.56 9.61 MEAN OF MIXING RATIO AT 15 GMT. 5.87 5.89 7.17 10.15 10.47 12.35 15.47 17.08 13.13 9.63 8.02 5.69 10.08 ABSOLUTE OF MINIMUM TEMPERATURE IN C. 0.0 -0.6 0.0 4.0 11.2 12.5 19.6 21.2 11.4 3.6 1.6 -0.4 -0.6 DAY 31 27 7 8 26 24 25 28 28 18 29 19 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 24.8 26.6 30.8 36.6 36.0 45.4 39.8 38.5 37.8 37.6 33.8 22.5 45.4 DAY 29 8 25 3 21 29 23 12 17 3 10 28 24 HOUR MAXIMUM PRECIPITATION IN MM. 6.0 20.0 31.0 38.0 0.7 20.0 0.9 3.0 11.0 17.3 23.0 9.0 38.0 DAY 6 24 2 25 7 23 8 20 27 13 26 18 MONTHLY TOTAL PRECIPITATION IN MM. 19.9 28.0 65.5 80.4 0.7 20.0 1.0 5.6 22.3 47.6 55.0 28.4 374.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 30.3 27.0 7.7 35.0 NO. OF DAYS WITH PRECIPITATION. 11 4 9 11 1 1 2 3 7 8 3 7 67 NO. OF DAYS PRECIPITATION EQUAL 6 4 7 9 0 1 0 2 5 5 3 5 47 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 2 3 0 1 0 0 1 3 3 0 14 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 87 87 85 77 71 80 83 85 89 82 84 83 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 65 60 65 58 44 42 52 54 48 52 50 61 54 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 76 72 71 75 49 47 53 60 57 70 72 79 65 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 1 0 0 9 28 31 14 1 0 0 84 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 1 7 17 26 30 31 22 3 3 0 140 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 3 0 0 0 0 0 0 3 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 0 0 0 0 0 0 1 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 1 2 1 0 0 0 0 0 0 0 0 5 9 DATE OF START AND END FREEZING START = 12 DEC. END = 7 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 6.2 8.4 8.7 14.4 22.8 25.7 29.7 29.5 26.3 19.4 12.4 10.9 17.9 AVERAGE OF MINIMUM TEMPERATURE IN C. 1.5 3.6 5.1 9.6 15.9 19.3 23.2 23.3 19.5 12.6 6.8 4.3 12.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.9 13.1 12.3 19.3 29.8 32.0 36.2 35.6 33.1 26.2 18.0 17.4 23.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.4 9.5 7.2 9.7 13.9 12.7 13.0 12.3 13.6 13.6 11.2 13.1 11.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.28 4.52 5.41 7.50 11.75 13.33 15.66 15.64 12.58 8.36 6.11 4.64 9.15 MEAN OF MIXING RATIO AT 09 GMT. 5.17 4.84 5.90 8.46 12.64 12.81 15.05 14.62 12.69 8.34 6.88 5.78 9.43 MEAN OF MIXING RATIO AT 15 GMT. 5.23 5.27 6.32 8.96 13.28 12.82 15.13 14.77 13.16 9.12 7.22 5.78 9.76 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -2.6 -4.0 1.0 1.0 8.6 16.6 18.8 17.0 12.4 7.0 0.4 -1.0 -4.0 DAY 16 4 20 6 2 7 15 31 21 20 19 4 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 24.6 29.2 22.6 31.5 40.0 39.6 42.0 40.0 42.0 37.6 22.8 26.6 42.0 DAY 5 9 30 18 24 29 24 26 7 24 6 25 24 HOUR MAXIMUM PRECIPITATION IN MM. 15.1 9.0 15.0 16.0 6.0 19.1 2.0 5.0 29.0 26.0 25.8 9.0 29.0 DAY 9 11 15 15 25 26 29 30 23 31 12 15 MONTHLY TOTAL PRECIPITATION IN MM. 29.9 35.5 71.1 56.2 20.8 37.1 2.4 7.1 31.0 53.0 35.8 14.2 394.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 34.6 29.0 10.3 26.1 NO. OF DAYS WITH PRECIPITATION. 7 11 17 16 9 7 2 5 4 7 7 4 96 NO. OF DAYS PRECIPITATION EQUAL 6 7 11 12 6 7 1 2 2 5 4 3 66 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 1 2 0 1 0 0 1 2 1 0 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 93 85 92 93 88 81 76 78 80 83 92 79 85 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 69 60 74 72 56 51 45 46 46 47 58 53 56 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 81 72 81 79 63 56 49 51 56 63 77 72 67 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 1 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 2 5 28 26 10 0 0 0 71 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 15 22 29 30 24 6 0 0 127 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 0 1 1 2 0 0 0 5 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 11 6 0 0 0 0 0 0 0 0 0 4 21 DATE OF START AND END FREEZING START = 3 DEC. END = 28 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 8.6 7.4 9.3 17.2 22.5 27.8 29.3 30.3 25.2 21.9 12.6 10.1 18.5 AVERAGE OF MINIMUM TEMPERATURE IN C. 3.1 2.0 3.8 9.9 15.0 20.9 24.3 24.5 18.9 14.9 7.5 5.1 12.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 14.2 12.8 14.9 24.5 30.0 34.6 34.3 36.0 31.5 29.0 17.8 15.1 24.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.1 10.8 11.1 14.6 15.0 13.7 10.0 11.5 12.6 14.1 10.3 10.0 12.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.75 4.14 5.05 7.43 10.14 15.47 17.44 18.17 12.30 9.56 6.52 4.96 9.66 MEAN OF MIXING RATIO AT 09 GMT. 5.30 4.60 5.53 7.68 9.39 14.21 16.42 17.49 12.23 11.52 7.62 5.83 9.82 MEAN OF MIXING RATIO AT 15 GMT. 5.58 5.04 6.04 8.17 9.94 14.58 16.55 17.63 13.17 11.63 8.08 6.23 10.22 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -2.6 -3.0 -0.4 2.6 10.5 15.3 21.2 18.6 12.5 11.2 4.0 0.0 -3.0 DAY 31 10 12 3 7 5 9 27 21 19 29 19 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 26.6 21.0 27.7 37.5 40.6 43.8 40.0 40.4 41.0 36.2 29.6 26.5 43.8 DAY 6 17 24 24 28 12 10 12 11 13 4 8 24 HOUR MAXIMUM PRECIPITATION IN MM. 9.0 10.0 20.0 1.1 17.0 12.0 1.1 7.0 14.0 17.0 21.0 29.0 29.0 DAY 11 7 20 29 5 8 26 22 15 8 14 11 MONTHLY TOTAL PRECIPITATION IN MM. 26.2 34.0 98.4 5.4 40.8 21.5 2.0 7.0 15.1 39.2 56.9 66.4 412.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 38.4 16.4 5.8 39.4 NO. OF DAYS WITH PRECIPITATION. 12 9 14 8 8 8 6 1 3 7 8 7 91 NO. OF DAYS PRECIPITATION EQUAL 7 6 12 3 4 5 1 1 2 6 8 5 60 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 4 0 2 1 0 0 1 2 2 3 16 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 88 87 90 83 77 83 83 85 82 83 94 86 85 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 61 59 61 50 43 47 55 52 49 52 65 62 55 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 74 72 71 56 49 52 59 57 62 67 84 81 65 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 1 16 31 29 8 1 0 0 86 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 5 16 27 28 31 15 15 0 0 137 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 2 1 1 2 2 0 0 0 8 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 8 8 3 0 0 0 0 0 0 0 0 1 20 DATE OF START AND END FREEZING START = 19 DEC. END = 12 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 6.6 6.8 11.5 17.7 22.0 29.4 29.1 29.6 25.1 19.2 15.4 11.9 18.7 AVERAGE OF MINIMUM TEMPERATURE IN C. 2.8 2.0 5.6 11.7 14.8 22.0 23.5 23.9 19.1 12.8 9.2 7.0 12.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.4 11.5 17.4 23.8 29.2 36.8 34.8 35.3 31.0 25.7 21.5 16.9 24.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.6 9.5 11.8 12.1 14.4 14.8 11.3 11.4 11.9 12.9 12.3 9.9 11.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.54 4.36 5.50 8.48 10.12 13.75 16.53 17.22 13.24 8.44 6.72 5.75 9.55 MEAN OF MIXING RATIO AT 09 GMT. 5.36 4.73 6.31 9.61 9.20 12.48 15.43 17.26 13.68 8.84 7.79 6.32 9.75 MEAN OF MIXING RATIO AT 15 GMT. 5.48 5.19 6.57 10.48 10.13 12.62 14.91 17.18 14.32 9.83 7.98 6.20 10.07 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -0.4 -3.0 -1.0 5.0 6.8 17.6 20.4 20.4 13.8 5.1 4.2 1.0 -3.0 DAY 18 16 1 2 6 1 24 6 13 10 26 20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 17.4 26.4 27.0 34.5 40.2 42.2 39.6 41.8 39.6 33.6 31.4 34.0 42.2 DAY 30 7 24 15 21 23 11 30 1 17 19 11 24 HOUR MAXIMUM PRECIPITATION IN MM. 15.0 10.0 16.0 27.0 7.0 2.0 48.0 11.0 35.0 11.0 6.0 4.0 48.0 DAY 14 28 30 24 1 4 24 10 11 2 29 25 MONTHLY TOTAL PRECIPITATION IN MM. 85.0 52.3 35.4 76.3 26.0 2.2 87.3 36.3 49.9 29.2 7.0 12.2 499.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 34.6 20.9 34.8 9.7 NO. OF DAYS WITH PRECIPITATION. 15 13 9 7 6 2 7 11 5 6 2 8 91 NO. OF DAYS PRECIPITATION EQUAL 11 10 5 6 6 1 4 7 3 5 2 3 63 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 1 1 3 0 0 4 1 2 1 0 0 15 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 91 90 88 89 78 69 80 85 88 85 86 85 85 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 75 65 58 58 43 37 51 55 55 49 56 62 55 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 86 78 68 70 52 41 52 59 67 67 70 73 65 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 1 22 28 29 9 0 0 0 89 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 1 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 4 14 30 29 31 19 8 1 3 139 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 2 0 3 0 0 0 0 6 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 2 8 3 0 0 0 0 0 0 0 0 0 13 DATE OF START AND END FREEZING START = 4 JAN. END = 6 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 8.3 12.0 11.0 16.2 20.7 26.5 28.0 31.2 25.2 20.6 12.6 10.7 18.6 AVERAGE OF MINIMUM TEMPERATURE IN C. 3.0 6.1 5.7 10.4 14.0 19.2 21.6 24.2 19.3 14.6 7.8 5.2 12.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 13.6 17.9 16.3 22.0 27.3 33.7 34.5 38.3 31.1 26.5 17.5 16.2 24.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.6 11.8 10.6 11.6 13.3 14.5 12.9 14.1 11.8 11.9 9.7 11.0 12.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.62 5.34 5.62 7.65 9.94 13.46 14.92 16.01 12.80 9.47 6.31 5.24 9.28 MEAN OF MIXING RATIO AT 09 GMT. 5.17 5.77 6.55 8.49 9.93 13.93 14.44 16.64 13.10 10.55 7.04 6.32 9.83 MEAN OF MIXING RATIO AT 15 GMT. 5.45 6.39 6.94 9.02 10.98 14.13 14.94 16.57 13.01 11.25 7.23 6.62 10.21 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -3.4 1.4 -0.4 4.8 7.5 14.6 16.8 21.0 12.6 7.6 3.2 0.6 -3.4 DAY 5 2 19 11 22 6 13 18 25 26 30 2 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 20.8 28.4 24.0 35.7 39.6 37.7 38.6 42.6 36.6 36.2 29.6 26.8 42.6 DAY 9 20 9 30 27 11 19 24 8 11 25 30 24 HOUR MAXIMUM PRECIPITATION IN MM. 26.0 23.0 15.0 17.0 11.0 0.0 19.0 4.0 19.0 34.0 12.2 10.0 34.0 DAY 19 4 18 10 21 ** 13 8 28 13 28 5 MONTHLY TOTAL PRECIPITATION IN MM. 83.1 34.3 51.5 38.5 31.9 0.0 45.6 4.6 35.2 65.8 47.4 27.7 465.6 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 36.3 15.1 18.3 30.3 NO. OF DAYS WITH PRECIPITATION. 9 4 13 9 11 0 9 4 9 7 12 8 95 NO. OF DAYS PRECIPITATION EQUAL 7 2 11 5 4 0 7 1 6 6 9 3 61 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 2 3 2 1 0 2 0 1 2 1 1 19 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 85 90 90 85 79 80 76 85 84 89 87 85 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 62 54 65 59 52 48 47 45 53 55 64 64 56 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 76 67 72 68 60 52 53 50 57 67 78 81 65 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 7 15 31 11 1 0 0 65 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 2 12 29 28 31 19 9 0 0 130 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 7 0 0 0 0 7 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 8 0 1 0 0 0 0 0 0 0 0 0 9 DATE OF START AND END FREEZING START = 2 JAN. END = 19 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE YEAR 2000 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 7.5 9.2 10.1 19.8 22.8 26.2 30.1 30.3 26.6 18.7 12.5 10.8 18.7 AVERAGE OF MINIMUM TEMPERATURE IN C. 2.9 4.4 4.8 12.3 15.9 19.3 23.1 24.1 22.1 13.7 7.3 6.2 13.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 12.1 14.0 15.5 27.2 29.8 33.1 37.1 36.6 31.2 23.6 17.7 15.3 24.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.2 9.6 10.7 14.9 13.9 13.8 14.0 12.5 9.1 9.9 10.4 9.1 11.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.49 4.82 5.35 8.62 11.10 11.70 14.03 16.27 15.36 9.09 6.04 5.79 9.39 MEAN OF MIXING RATIO AT 09 GMT. 5.10 5.78 6.05 10.24 12.16 11.02 13.17 16.06 15.15 9.44 6.84 6.76 9.81 MEAN OF MIXING RATIO AT 15 GMT. 5.02 5.82 6.87 10.56 12.32 11.53 13.25 15.84 15.56 9.66 6.40 6.83 9.97 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -4.0 0.0 0.2 6.2 10.0 12.6 20.6 20.0 17.0 8.0 1.6 1.0 -4.0 DAY 15 9 13 3 11 14 27 18 26 16 28 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 22.5 23.6 24.6 35.8 36.6 41.0 41.8 43.8 37.4 28.6 22.6 24.0 43.8 DAY 26 23 7 10 3 5 31 1 7 11 3 30 24 HOUR MAXIMUM PRECIPITATION IN MM. 15.0 18.0 24.0 1.0 7.0 21.0 10.1 50.2 64.0 7.0 7.0 19.0 64.0 DAY 7 14 3 11 10 13 13 8 2 5 10 2 MONTHLY TOTAL PRECIPITATION IN MM. 53.7 80.5 74.8 1.0 10.2 29.8 10.1 58.0 99.4 30.7 9.3 57.2 514.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 40.6 8.0 32.5 18.9 NO. OF DAYS WITH PRECIPITATION. 8 11 15 1 4 4 1 4 5 11 3 9 76 NO. OF DAYS PRECIPITATION EQUAL 7 10 11 1 2 3 1 2 4 9 2 8 60 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 4 3 0 0 1 1 1 2 0 0 3 17 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 86 86 90 86 85 70 69 79 88 88 87 91 84 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 66 66 62 52 54 42 39 49 58 57 57 68 56 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 74 74 76 60 62 46 40 50 66 66 66 82 64 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 1 0 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 1 7 28 30 20 0 0 0 86 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 9 16 23 31 29 22 0 0 0 130 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 3 4 0 0 0 0 8 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 8 1 0 0 0 0 0 0 0 0 0 0 9 DATE OF START AND END FREEZING START = 10 JAN. END = 9 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE PERIOD 1961 TO 2000 PAGE 1 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPE. IN C. 7.3 8.0 10.6 15.9 21.3 26.3 28.4 28.2 24.9 18.9 13.7 9.6 17.8 SD OF MEAN DAILY TEMPERATURE IN C. 2.60 2.33 1.71 1.67 1.75 1.54 1.73 1.49 1.34 1.65 1.87 2.02 1.81 AVERAGE OF MINIMUM TEMPERATURE IN C. 1.6 2.4 4.8 9.3 13.9 18.8 21.4 21.3 17.9 11.7 7.0 3.6 11.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 13.0 13.8 16.3 22.6 28.7 33.7 35.5 35.0 31.9 26.1 20.2 15.7 24.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.5 11.3 11.5 13.3 14.8 14.9 14.1 13.7 14.0 14.4 13.4 12.1 13.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.34 4.42 5.35 7.36 10.18 13.43 15.59 15.96 12.96 8.60 6.34 4.96 9.12 MEAN OF MIXING RATIO AT 09 GMT. 5.17 5.18 6.10 8.38 11.03 13.92 16.26 16.47 13.98 9.84 7.22 5.77 9.94 MEAN OF MIXING RATIO AT 15 GMT. 4.72 4.85 5.78 7.74 10.07 12.42 14.34 14.69 12.53 8.91 6.58 5.32 8.99 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -14.5 -10.4 -4.0 -3.0 2.0 8.0 8.0 10.0 3.5 1.0 -5.0 -12.0 -14.5 YEAR - DAY 64-19 93-17 65- 8 65- 6 64- 3 69-16 69-17 65-30 64-26 64- 8 64-30 63-26 64-19 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 30.0 30.5 35.0 39.0 43.5 46.0 45.0 45.0 42.0 40.0 35.4 34.0 46.0 YEAR - DAY 66-26 63-24 65-31 65-28 61-25 61-26 62-21 61-19 96- 7 65-13 83- 2 98-11 61-26 24 HOUR MAXIMUM PRECIPITATION IN MM. 40.0 45.7 45.5 48.0 81.2 40.8 48.0 50.3 64.0 44.6 66.2 46.0 81.2 YEAR - DAY 64- 1 80-19 87-31 69-14 92-14 92-12 98-24 76-17 0- 2 79-17 80- 2 73-10 92-14 MONTHLY TOTAL PRECIPITATION IN MM. 51.5 54.4 75.1 53.8 42.0 17.2 15.9 24.3 23.5 34.9 46.1 49.8 488.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 37.1 23.2 13.0 26.8 NO. OF DAYS WITH PRECIPITATION. 8 8 10 7 6 3 3 4 4 5 6 7 71 NO. OF DAYS PRECIPITATION EQUAL 7 7 9 7 5 3 2 3 3 5 6 6 63 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 2 3 2 1 0 1 1 1 1 2 2 18 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 84 82 84 83 79 76 77 81 82 82 84 83 81 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 62 60 61 57 52 48 50 52 53 51 55 59 55 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 71 69 69 65 59 54 53 56 58 59 65 69 62 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 2 1 0 0 0 0 0 0 0 0 0 0 3 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 7 19 18 6 0 0 0 50 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 1 3 14 25 28 29 23 6 1 0 130 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 4 2 0 0 0 0 8 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 11 7 2 0 0 0 0 0 0 0 1 6 27 DATE OF START AND END FREEZING START = 2 NOV. END = 15 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GONBADE-GHABOOS LATITUDE 37 15 N DATA PROCESSING CENTER LONGITUDE 55 10 E ELEVATION 150 MET. MEAN AND EXTREMES FOR THE PERIOD 1961 TO 2000 PAGE 2 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE DRY BULB TEMPERATURE. IN C. 7.6 8.3 10.9 16.3 22.1 27.2 29.4 28.9 25.6 19.5 14.0 10.1 18.3 AVERAGE DEW POINT TEMPERATURE. IN C. 2.5 2.7 5.2 9.6 13.9 17.7 20.0 20.4 17.6 11.6 7.3 4.1 11.1 AVERAGE OF MIXING RATIO IN G/KG 4.75 4.81 5.74 7.82 10.42 13.25 15.39 15.70 13.17 9.11 6.71 5.34 9.35 AVERAGE OF VAPOUR PRESSURE HPA 7.54 7.64 9.10 12.35 16.39 20.76 24.02 24.50 20.62 14.36 10.61 8.47 14.70 AVERAGE OF SATURATION DEFICIT IN HPA 3.63 4.01 4.66 7.35 11.67 16.81 18.28 16.63 13.43 9.61 6.33 4.66 9.75 AVERAGE RELATIVE HUMIDITY IN PERCENT 73 71 71 68 63 59 60 63 64 64 68 70 66 AVERAGE OF MAXIMUM RELATIVE HUMIDITY(%) 86 85 85 84 81 77 78 82 82 83 86 85 83 AVERAGE OF MINIMUM RELATIVE HUMIDITY(%) 60 58 59 55 50 46 47 50 50 49 53 57 53 NO. OF DAYS PRECIPITATION EQUAL 4 4 5 3 2 1 1 1 1 2 3 4 31 OR MORE THAN 5 MM.