IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 1 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 MET. AVERAGE OF MEAN DAILY TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MAX-MIN 1961 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 20.0 17.3 ****** 3.1 ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1966 6.5 7.3 ****** 14.9 19.0 25.9 29.6 29.2 22.1 15.9 10.1 5.6 ****** 1967 3.8 3.5 8.5 13.6 15.3 17.9 22.9 24.2 20.6 14.5 8.4 2.8 21.4 1968 0.4 0.3 5.5 8.2 ****** 23.5 29.8 29.1 24.3 18.3 10.5 4.1 ****** 1969 -1.3 -2.9 9.0 13.7 20.8 26.6 27.1 28.8 21.8 14.6 6.0 5.6 31.7 1970 5.5 7.7 8.7 16.7 21.0 26.4 29.1 28.4 25.5 17.9 9.5 4.7 24.4 1971 -3.8 1.1 7.7 14.8 21.4 26.9 28.2 28.4 23.1 15.0 8.1 2.4 32.2 1972 -5.7 -7.7 4.0 16.2 19.4 24.9 30.3 27.9 24.4 19.8 8.6 0.8 38.0 1973 -3.5 1.1 9.3 14.8 21.0 25.4 29.0 29.6 23.3 18.2 5.9 0.3 33.1 1974 -3.1 -0.9 8.3 13.6 23.0 27.0 27.7 26.5 21.2 18.3 9.9 3.5 30.8 1975 0.4 3.4 6.8 17.7 21.2 26.9 31.2 28.9 23.3 15.3 8.4 -0.0 31.2 1976 4.1 0.5 7.6 16.2 20.9 26.6 29.4 31.0 24.5 16.2 7.7 6.0 30.5 1977 -2.9 5.1 12.2 17.6 22.1 27.2 28.6 29.2 24.4 13.6 9.5 3.1 32.1 1978 2.8 6.9 11.4 15.9 19.8 23.7 29.6 28.5 25.5 17.8 6.7 5.7 26.8 1979 3.8 7.4 10.6 17.3 21.8 24.2 29.6 29.7 25.6 17.3 10.7 5.5 25.9 1980 0.6 2.7 9.6 16.1 21.8 27.3 31.4 29.0 23.5 16.1 11.2 6.0 30.8 1981 ****** ****** ****** ****** ****** ****** ****** 28.1 24.9 18.2 ****** 5.9 ****** 1982 ****** ****** 6.8 17.2 21.4 24.8 28.9 27.2 24.2 14.5 6.2 ****** ****** 1983 -6.1 0.7 7.4 15.8 21.1 25.3 30.7 27.8 22.6 15.9 11.2 ****** ****** 1984 2.8 2.2 10.0 16.3 18.4 25.7 31.1 28.0 25.0 16.1 9.4 ****** ****** 1985 ****** 1.1 0.5 15.7 21.7 27.0 27.4 28.3 24.1 14.8 10.9 1.1 ****** 1986 -1.9 4.3 6.2 15.8 17.9 23.2 29.5 29.0 25.4 16.2 8.0 2.6 31.4 1987 5.5 5.2 7.1 12.9 22.3 26.9 29.2 27.6 22.3 12.0 7.2 4.0 25.2 1988 -1.0 3.0 8.6 14.8 18.8 24.1 27.7 25.9 22.5 16.2 7.3 3.9 28.7 1989 -6.7 -1.9 10.1 18.1 21.3 26.8 30.9 29.7 23.3 16.5 9.9 3.8 37.6 1990 -4.9 0.7 8.4 13.8 19.1 26.3 29.3 27.5 24.9 16.0 10.7 3.1 34.2 1991 -0.6 1.6 8.4 16.5 19.4 25.3 29.7 28.7 23.8 18.2 8.3 1.9 30.3 1992 -3.5 0.5 5.8 13.5 17.3 22.7 27.3 25.8 22.0 16.1 7.8 2.1 30.8 1993 -5.1 -1.5 5.3 13.5 18.1 24.1 28.0 27.9 23.5 14.8 3.9 -0.0 33.1 1994 1.4 1.0 8.6 16.3 19.8 23.9 27.2 27.9 23.2 16.6 9.2 -2.1 30.0 1995 1.6 4.1 9.2 14.9 21.0 25.4 28.3 29.2 23.4 15.0 9.7 2.0 27.6 1996 1.3 4.5 7.9 13.5 22.0 25.1 29.8 29.1 24.3 16.5 8.2 7.4 28.5 1997 3.3 0.1 4.9 15.0 21.1 25.6 28.3 29.5 21.3 18.0 8.1 2.4 29.4 1998 -0.3 0.8 9.4 16.5 20.9 28.1 29.7 29.5 23.7 17.0 11.6 5.8 30.0 1999 3.2 7.1 9.8 14.6 19.5 26.1 29.1 30.9 23.1 17.0 8.5 3.5 27.7 2000 1.3 2.1 7.0 17.5 20.4 26.4 31.9 29.7 24.0 15.0 7.9 4.1 30.6 MEAN -0.1 2.2 7.9 15.3 20.3 25.4 29.0 28.5 23.5 16.3 8.7 3.4 29.1 SD 3.70 3.32 2.28 1.91 1.66 1.88 1.66 1.38 1.40 1.59 1.76 2.16 2.06 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 2 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 MET. AVERAGE OF MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 12.0 11.9 ****** -2.4 ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1966 -0.3 2.0 ****** 9.0 12.2 18.9 22.4 22.4 16.1 9.2 2.9 1.2 ****** 1967 -0.1 -0.9 3.7 8.8 10.3 12.6 15.0 16.1 13.6 9.3 2.8 -1.6 7.5 1968 -3.5 -3.5 2.2 3.9 ****** 17.1 23.5 22.4 16.0 12.1 5.0 1.6 ****** 1969 -4.1 -7.0 4.8 8.6 14.7 19.3 19.1 21.6 13.2 8.1 -0.7 0.8 8.2 1970 0.5 2.5 2.5 8.5 13.2 18.8 22.0 21.4 17.8 11.4 3.4 1.2 10.3 1971 -8.2 -4.0 1.5 7.6 13.4 19.0 20.6 20.9 14.6 7.9 2.2 -2.2 7.8 1972 -10.0 -13.1 -1.4 9.1 14.1 18.1 25.3 21.4 16.4 11.8 2.2 -4.0 7.5 1973 -8.4 -4.6 3.4 8.8 14.1 19.9 23.3 23.9 16.3 10.5 0.1 -4.2 8.6 1974 -7.3 -6.0 3.4 7.1 14.4 19.4 21.6 19.9 14.0 9.6 3.0 -2.2 8.1 1975 -5.3 -2.1 -0.3 9.0 14.5 19.9 25.0 22.3 16.4 7.9 1.7 -4.9 8.7 1976 -2.1 -5.0 0.8 9.7 14.5 20.8 23.6 24.2 17.4 9.7 1.0 1.5 9.7 1977 -6.9 0.9 5.5 10.8 15.4 20.7 23.2 22.6 16.9 5.6 1.9 -1.4 9.6 1978 -0.9 1.1 3.8 9.0 12.8 18.0 23.0 22.8 16.8 10.1 1.0 1.2 9.9 1979 -1.2 1.0 2.9 10.2 15.3 17.8 23.6 22.6 18.7 10.8 4.8 0.6 10.6 1980 -3.7 -2.7 3.3 9.2 13.7 19.6 24.6 23.0 15.4 8.1 5.5 -0.0 9.7 1981 ****** ****** ****** ****** ****** ****** ****** 21.9 16.7 10.6 ****** 0.1 ****** 1982 ****** ****** -0.4 9.8 15.5 17.8 22.1 20.4 16.0 7.9 1.0 ****** ****** 1983 -11.4 -3.6 0.3 7.7 14.1 18.0 23.1 21.5 14.7 8.1 5.5 ****** ****** 1984 -2.1 -3.1 4.6 8.3 11.8 18.6 24.2 20.7 17.0 8.7 4.1 ****** ****** 1985 ****** -3.2 -4.3 9.8 14.8 20.3 21.9 21.8 16.9 8.2 4.8 -2.4 ****** 1986 -6.4 -0.2 0.7 10.3 11.4 16.7 23.1 22.3 17.3 10.0 4.0 -2.1 8.9 1987 -0.4 0.5 1.7 6.1 14.6 19.9 22.8 20.9 15.7 7.7 1.9 0.5 9.3 1988 -3.3 -1.0 2.8 8.4 12.1 17.7 22.1 20.4 16.0 10.4 1.5 -1.0 8.8 1989 -12.5 -7.7 3.9 10.7 14.1 19.9 25.0 23.4 16.3 10.4 4.9 -1.5 8.9 1990 -9.1 -3.4 2.2 8.3 12.6 19.3 23.5 21.9 17.5 9.6 4.5 -0.8 8.8 1991 -5.5 -4.2 3.4 10.3 13.1 19.0 23.8 23.3 17.2 12.2 3.7 -1.0 9.6 1992 -7.1 -3.8 0.1 6.6 11.3 16.5 21.4 19.8 15.5 8.1 2.8 -1.4 7.5 1993 -9.6 -4.7 -0.7 7.3 12.0 17.3 22.1 21.9 15.9 7.8 1.3 -1.8 7.4 1994 -1.9 -2.9 2.7 9.5 13.2 17.7 21.7 22.3 16.5 10.7 4.7 -5.0 9.1 1995 -2.5 -0.4 2.2 8.2 13.7 18.4 22.8 22.9 17.0 8.6 2.9 -3.9 9.2 1996 -2.9 -1.0 2.7 7.6 15.2 18.9 23.4 22.7 17.1 10.2 1.8 2.4 9.8 1997 -1.7 -5.5 -0.6 8.5 14.3 18.7 22.6 23.1 14.2 11.2 1.6 -1.2 8.8 1998 -4.0 -4.5 3.0 9.8 14.5 21.7 23.7 23.0 16.8 9.5 5.1 0.1 9.9 1999 -2.1 0.2 3.6 8.5 12.7 19.3 23.3 24.1 16.6 10.1 3.3 -2.2 9.8 2000 -3.2 -3.2 0.5 10.4 13.7 19.7 25.5 23.2 17.3 9.0 2.0 0.7 9.6 MEAN -4.6 -2.8 2.0 8.7 13.6 18.7 22.8 22.0 16.1 9.5 2.9 -1.1 9.0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 3 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 MET. AVERAGE OF MAXIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 28.0 22.8 ****** 8.7 ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1966 13.3 12.6 16.5 20.8 25.9 32.9 36.9 36.0 28.2 22.5 17.2 9.9 22.7 1967 7.8 7.9 13.4 18.4 20.3 23.3 30.9 32.2 27.6 19.7 13.9 7.2 18.6 1968 4.3 4.2 8.8 12.5 ****** 30.0 36.2 35.8 32.6 24.5 15.9 6.6 ****** 1969 1.5 1.3 13.3 18.7 26.8 33.8 35.1 36.1 30.5 21.1 12.6 10.5 20.1 1970 10.5 12.8 15.0 24.9 28.9 34.0 36.1 35.4 33.1 24.3 15.5 8.3 23.2 1971 0.6 6.2 14.0 22.0 29.4 34.7 35.8 35.9 31.7 22.0 13.9 7.0 21.1 1972 -1.4 -2.2 9.5 23.4 24.7 31.8 35.3 34.4 32.4 27.8 15.1 5.6 19.7 1973 1.3 6.7 15.2 20.8 27.9 31.0 34.7 35.3 30.3 25.8 11.8 4.7 20.5 1974 1.1 4.1 13.2 20.1 31.6 34.5 33.8 33.2 28.4 27.0 16.7 9.3 21.1 1975 6.2 9.0 13.8 26.4 28.0 33.8 37.4 35.5 30.1 22.6 15.2 4.9 21.9 1976 10.4 5.9 14.3 22.7 27.3 32.4 35.3 37.8 31.6 22.7 14.5 10.5 22.1 1977 1.1 9.3 19.0 24.4 28.8 33.7 34.0 35.8 31.8 21.7 17.1 7.6 22.0 1978 6.5 12.7 19.0 22.8 26.8 29.5 36.2 34.1 34.3 25.4 12.4 10.2 22.5 1979 8.8 13.6 18.4 24.4 28.3 30.6 35.7 36.9 32.3 23.8 16.6 10.4 23.3 1980 4.8 7.9 15.8 22.9 29.8 34.9 38.1 35.1 31.4 24.1 17.0 12.1 22.8 1981 10.8 13.1 17.7 19.6 25.2 31.6 35.5 34.5 33.3 25.6 13.8 12.0 22.7 1982 ****** ****** 14.0 24.6 27.1 31.8 35.7 34.0 32.4 21.2 11.3 ****** ****** 1983 -0.9 5.2 14.8 23.9 28.1 32.5 38.2 34.0 30.5 23.6 17.0 ****** ****** 1984 7.8 7.4 15.4 24.4 25.0 32.7 38.0 35.3 33.1 23.6 14.7 ****** ****** 1985 ****** 5.3 5.3 21.7 28.5 33.7 32.8 34.9 31.2 21.3 16.9 4.7 ****** 1986 2.7 8.7 11.6 21.2 24.4 29.7 35.8 35.7 33.4 22.4 12.1 7.2 20.4 1987 11.3 9.9 12.4 19.6 30.0 33.9 35.8 34.2 28.8 16.4 12.5 7.4 21.0 1988 1.4 7.1 14.3 21.2 25.6 30.5 33.3 31.4 28.8 22.0 13.1 8.7 19.8 1989 -1.0 3.8 16.3 25.5 28.5 33.8 36.8 36.0 30.3 22.7 14.9 9.1 21.4 1990 -0.8 4.8 14.6 19.3 25.6 33.2 35.1 33.1 32.4 22.4 16.9 7.0 20.3 1991 4.2 7.3 13.4 22.8 25.7 31.6 35.7 34.1 30.4 24.2 12.9 4.8 20.6 1992 0.2 4.7 11.4 20.3 23.3 28.8 33.2 31.8 28.6 24.2 12.7 5.6 18.8 1993 -0.5 1.6 11.4 19.7 24.1 31.0 33.9 33.8 31.0 21.9 6.4 1.7 18.0 1994 4.7 5.0 14.6 23.1 26.5 30.2 32.7 33.4 30.0 22.5 13.7 0.8 19.8 1995 5.6 8.5 16.2 21.6 28.3 32.4 33.8 35.4 29.8 21.4 16.4 7.9 21.5 1996 5.4 10.1 13.1 19.4 28.9 31.2 36.3 35.5 31.4 22.8 14.6 12.4 21.8 1997 8.4 5.7 10.4 21.5 27.9 32.5 34.1 35.8 28.3 24.9 14.5 6.1 20.8 1998 3.3 6.1 15.8 23.2 27.3 34.6 35.7 36.0 30.6 24.6 18.0 11.4 22.2 1999 8.5 13.9 16.0 20.7 26.3 32.8 34.9 37.7 29.7 24.0 13.6 9.2 22.3 2000 5.7 7.3 13.6 24.6 27.0 33.2 38.3 36.2 30.7 21.0 13.9 7.5 21.6 MEAN 4.7 7.3 14.0 21.8 27.0 32.1 35.3 34.9 30.8 23.1 14.4 7.8 21.1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 4 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 MET. DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 16.0 10.9 ****** 11.1 ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1966 13.6 10.6 ****** 11.8 13.7 14.0 14.5 13.6 12.1 13.3 14.3 8.7 ****** 1967 7.9 8.8 9.7 9.7 10.0 10.7 15.9 16.1 14.0 10.4 11.1 8.8 11.1 1968 7.8 7.7 6.6 8.6 ****** 12.9 12.7 13.4 16.6 12.4 10.9 5.0 ****** 1969 5.6 8.3 8.5 10.1 12.1 14.5 16.0 14.5 17.3 13.0 13.3 9.7 11.9 1970 10.0 10.3 12.5 16.4 15.7 15.3 14.1 14.0 15.3 12.9 12.1 7.1 13.0 1971 8.8 10.2 12.5 14.4 16.0 15.7 15.2 15.0 17.1 14.1 11.7 9.2 13.3 1972 8.6 10.9 10.9 14.3 10.6 13.7 10.0 13.0 16.0 16.0 12.9 9.6 12.2 1973 9.7 11.3 11.8 12.0 13.8 11.1 11.4 11.4 14.0 15.3 11.7 8.9 11.9 1974 8.4 10.1 9.8 13.0 17.2 15.1 12.2 13.3 14.4 17.4 13.7 11.5 13.0 1975 11.5 11.1 14.1 17.4 13.5 13.9 12.4 13.2 13.7 14.7 13.5 9.8 13.2 1976 12.5 10.9 13.5 13.0 12.8 11.6 11.7 13.6 14.2 13.0 13.5 9.0 12.4 1977 8.0 8.4 13.5 13.6 13.4 13.0 10.8 13.2 14.9 16.1 15.2 9.0 12.4 1978 7.4 11.6 15.2 13.8 14.0 11.5 13.2 11.3 17.5 15.3 11.4 9.0 12.6 1979 10.0 12.6 15.5 14.2 13.0 12.8 12.1 14.3 13.6 13.0 11.8 9.8 12.7 1980 8.5 10.6 12.5 13.7 16.1 15.3 13.5 12.1 16.0 16.0 11.5 12.1 13.2 1981 ****** ****** ****** ****** ****** ****** ****** 12.6 16.5 15.0 ****** 11.9 ****** 1982 ****** ****** 14.4 14.8 11.6 14.0 13.6 13.6 16.4 13.3 10.3 ****** ****** 1983 10.5 8.8 14.5 16.2 14.0 14.5 15.1 12.5 15.8 15.5 11.5 ****** ****** 1984 9.9 10.5 10.8 16.2 13.2 14.1 13.8 14.6 16.1 14.9 10.6 ****** ****** 1985 ****** 8.5 9.6 11.9 13.7 13.4 10.9 13.1 14.3 13.1 12.1 7.1 ****** 1986 9.1 8.9 10.9 10.9 13.0 13.0 12.7 13.4 16.1 12.4 8.1 9.3 11.5 1987 11.7 9.4 10.7 13.5 15.4 14.0 13.0 13.3 13.1 8.7 10.6 6.9 11.7 1988 4.7 8.1 11.5 12.8 13.5 12.8 11.2 11.0 12.8 11.6 11.6 9.7 10.9 1989 11.5 11.5 12.4 14.8 14.4 13.9 11.8 12.6 14.0 12.3 10.0 10.6 12.5 1990 8.3 8.2 12.4 11.0 13.0 13.9 11.6 11.2 14.9 12.8 12.4 7.8 11.5 1991 9.7 11.5 10.0 12.5 12.6 12.6 11.9 10.8 13.2 12.0 9.2 5.8 11.0 1992 7.3 8.5 11.3 13.7 12.0 12.3 11.8 12.0 13.1 16.1 9.9 7.0 11.2 1993 9.1 6.3 12.1 12.4 12.1 13.7 11.8 11.9 15.1 14.1 5.1 3.5 10.6 1994 6.6 7.9 11.9 13.6 13.3 12.5 11.0 11.1 13.5 11.8 9.0 5.8 10.7 1995 8.1 8.9 14.0 13.4 14.6 14.0 11.0 12.5 12.8 12.8 13.5 11.8 12.3 1996 8.3 11.1 10.4 11.8 13.7 12.3 12.9 12.8 14.3 12.6 12.8 10.0 11.9 1997 10.1 11.2 11.0 13.0 13.6 13.8 11.5 12.7 14.1 13.7 12.9 7.3 12.1 1998 7.3 10.6 12.8 13.4 12.8 12.9 12.0 13.0 13.8 15.1 12.9 11.3 12.3 1999 10.6 13.7 12.4 12.2 13.6 13.5 11.6 13.6 13.1 13.9 10.3 11.4 12.5 2000 8.9 10.5 13.1 14.2 13.3 13.5 12.8 13.0 13.4 12.0 11.9 6.8 11.9 MEAN 9.1 9.9 11.9 13.2 13.5 13.4 12.6 13.0 14.7 13.5 11.6 8.9 12.1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 5 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 7.67 7.23 ****** 2.80 ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1966 3.70 4.26 4.30 6.40 8.00 9.46 10.41 11.68 10.05 7.75 4.47 3.98 7.04 1967 3.57 3.37 3.95 6.81 6.87 7.48 8.00 8.73 7.68 6.23 3.73 2.83 5.77 1968 1.98 2.40 2.87 3.46 ****** 9.35 9.88 10.50 7.78 7.93 5.52 4.16 ****** 1969 2.73 2.17 4.88 6.21 8.81 9.94 9.82 9.04 8.36 7.27 4.00 4.11 6.44 1970 4.06 4.58 4.54 6.67 7.91 9.07 9.64 11.28 11.04 8.92 4.89 4.14 7.23 1971 2.25 3.00 4.45 5.96 9.29 9.42 10.26 10.34 9.44 7.36 4.92 3.34 6.67 1972 1.98 1.65 3.50 6.36 8.78 10.98 9.94 9.52 9.97 7.74 4.43 2.75 6.47 1973 2.05 2.85 4.29 6.33 8.60 10.01 11.09 10.71 8.68 6.49 3.64 2.85 6.47 1974 2.29 2.53 4.57 5.20 7.92 11.21 11.24 9.88 9.26 6.01 4.59 3.33 6.50 1975 2.59 3.27 3.57 6.25 9.20 9.96 9.72 9.57 8.95 5.98 3.73 2.54 6.28 1976 2.98 2.46 3.52 6.18 8.80 9.76 10.74 10.33 9.36 6.35 3.91 3.88 6.52 1977 2.36 4.10 4.93 6.68 8.16 10.88 10.02 10.53 8.77 4.55 3.96 3.28 6.52 1978 3.47 3.59 4.23 6.08 8.14 9.03 10.31 9.32 9.08 6.62 3.84 4.17 6.49 1979 3.14 3.64 4.06 6.20 8.31 10.00 10.88 10.05 10.81 7.61 5.09 3.98 6.98 1980 2.99 3.16 4.27 6.09 7.93 8.92 10.35 11.05 8.10 5.52 5.67 3.58 6.47 1981 3.04 3.27 4.16 5.88 8.37 9.96 11.07 10.89 8.48 7.00 4.41 3.95 6.71 1982 ****** ****** 3.63 6.97 9.35 10.69 12.09 9.85 9.23 6.40 3.78 ****** ****** 1983 1.59 3.07 3.41 5.23 9.41 10.56 12.46 11.44 8.36 6.02 5.39 ****** ****** 1984 ****** ****** 5.20 5.98 6.58 8.29 9.59 10.07 9.64 6.22 5.44 ****** ****** 1985 ****** 3.31 3.28 6.62 8.69 9.60 10.12 8.99 8.01 5.45 4.88 3.30 ****** 1986 2.53 3.38 3.69 6.49 8.55 10.56 10.68 9.81 7.53 7.02 5.48 3.17 6.57 1987 3.10 3.85 3.66 5.05 7.67 8.04 8.01 9.20 7.20 5.31 3.99 3.85 5.75 1988 2.89 3.34 4.33 6.12 8.06 10.01 10.95 11.07 7.81 6.94 4.30 3.82 6.64 1989 1.60 2.01 4.63 6.50 7.63 9.79 10.47 10.82 8.71 6.66 5.14 3.28 6.44 1990 2.21 2.84 3.67 6.57 7.57 8.77 9.39 9.65 7.74 6.80 4.66 3.75 6.13 1991 2.47 2.53 4.19 6.91 6.87 9.08 9.45 10.05 8.13 7.05 5.15 3.53 6.28 1992 2.28 2.56 3.37 5.06 7.03 10.24 10.10 9.23 7.91 5.24 4.46 3.31 5.90 1993 2.11 2.62 3.36 5.47 8.35 9.42 9.65 10.08 7.92 5.29 4.13 3.37 5.98 1994 3.43 2.98 4.22 6.91 9.00 9.46 9.31 10.12 7.20 6.70 5.28 2.77 6.45 1995 3.22 3.49 3.97 5.90 7.38 9.11 9.38 9.82 8.98 5.74 4.15 2.61 6.15 1996 2.95 2.84 3.85 5.41 8.11 7.31 10.03 9.48 8.62 6.17 4.12 4.37 6.10 1997 2.85 2.33 3.23 4.76 7.65 9.64 11.31 10.17 7.61 6.79 4.27 3.41 6.17 1998 2.92 2.42 3.77 5.99 8.62 9.91 9.59 10.63 8.83 5.74 4.41 3.65 6.37 1999 2.91 2.93 4.17 5.74 8.15 8.66 8.67 11.18 9.17 6.53 4.67 3.20 6.33 2000 2.99 2.97 3.42 6.66 7.58 8.35 9.66 9.61 9.55 6.22 4.39 3.87 6.27 MEAN 2.73 3.03 3.98 6.04 8.16 9.52 10.13 10.14 8.66 6.53 4.54 3.49 6.41 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 6 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 9.02 8.29 ****** 3.88 ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1966 4.88 4.80 4.51 6.39 7.11 9.23 10.24 12.82 11.05 8.59 6.26 5.68 7.63 1967 5.38 4.54 4.72 9.30 8.82 10.11 9.73 12.75 9.78 9.03 4.93 3.44 7.71 1968 2.68 2.39 2.27 3.42 ****** 8.02 8.69 9.74 9.97 9.30 6.73 4.46 ****** 1969 3.36 3.31 6.45 6.40 8.46 8.20 9.35 7.37 7.45 7.41 4.71 5.25 6.48 1970 5.77 6.38 6.67 6.69 6.20 8.38 10.35 10.92 11.59 10.24 6.23 4.46 7.82 1971 2.90 4.05 6.89 7.40 8.90 8.75 9.91 8.12 10.22 7.32 6.56 4.32 7.11 1972 2.88 2.86 4.43 6.34 8.44 9.57 9.92 7.55 9.78 9.01 5.83 3.60 6.69 1973 3.19 4.09 4.55 5.75 7.42 9.23 10.68 11.43 9.43 7.66 4.35 3.42 6.77 1974 3.01 3.52 5.16 5.11 7.30 10.00 9.87 9.28 8.64 6.63 5.99 4.28 6.57 1975 3.43 3.61 3.66 6.77 8.84 9.49 10.49 8.80 7.46 6.30 4.27 3.12 6.35 1976 3.51 3.08 3.59 5.69 8.15 8.57 9.77 9.07 8.72 7.17 4.90 4.35 6.38 1977 3.53 4.39 4.95 5.97 7.35 10.66 10.32 10.37 8.67 5.06 4.96 3.85 6.67 1978 3.78 3.85 4.51 5.60 7.47 8.54 8.89 9.24 8.80 7.91 4.25 4.43 6.44 1979 3.78 4.12 4.54 5.97 7.95 9.91 11.60 9.73 8.96 8.13 6.36 4.37 7.12 1980 3.62 3.72 4.41 5.42 7.28 8.10 10.70 10.26 8.67 6.39 6.40 4.06 6.58 1981 3.46 3.69 4.75 5.74 7.26 9.61 10.17 10.99 8.60 7.75 5.12 4.39 6.79 1982 ****** ****** 3.81 7.46 9.73 10.13 12.14 9.99 9.58 7.02 4.04 ****** ****** 1983 2.90 4.26 4.11 5.26 8.66 10.40 12.84 11.79 9.41 6.53 6.29 ****** ****** 1984 5.11 5.01 5.98 5.39 6.63 7.53 8.71 10.43 11.63 6.87 6.62 ****** ****** 1985 ****** 3.38 3.71 6.09 7.44 9.01 10.45 8.98 8.05 5.37 5.37 3.55 ****** 1986 3.11 3.50 3.92 6.77 8.14 10.10 11.57 11.75 8.78 7.11 5.56 3.31 6.97 1987 3.58 4.17 3.63 4.98 7.49 9.01 9.43 10.50 8.04 5.51 4.24 4.13 6.22 1988 3.17 3.58 4.49 6.20 6.58 8.61 12.16 11.13 8.11 6.90 4.66 4.23 6.65 1989 2.19 2.47 5.21 6.75 7.87 11.01 9.79 10.03 8.02 6.47 5.67 3.82 6.61 1990 2.49 3.23 4.12 6.07 6.66 7.31 10.13 9.37 7.13 6.85 5.01 4.01 6.03 1991 2.91 2.95 4.25 6.28 5.72 7.57 8.04 9.51 7.70 7.19 5.82 3.73 5.97 1992 2.51 2.67 3.64 4.77 5.99 8.92 9.28 8.24 7.25 5.38 4.78 3.59 5.59 1993 2.61 2.81 3.43 4.86 7.45 8.02 8.49 9.20 8.11 5.65 4.24 3.66 5.71 1994 3.83 3.04 4.23 7.01 7.72 8.39 8.63 9.29 6.58 6.75 5.59 3.01 6.17 1995 3.66 3.63 4.12 5.21 6.12 7.14 8.73 9.09 8.26 5.79 4.36 3.04 5.76 1996 3.36 3.43 4.08 4.94 6.96 6.45 9.17 8.40 7.86 6.00 4.80 4.69 5.84 1997 3.10 2.54 3.18 4.27 6.65 8.41 10.13 9.26 7.51 6.93 4.85 3.71 5.88 1998 3.21 2.59 3.61 5.49 7.80 8.67 8.68 9.97 8.91 5.88 5.06 4.04 6.16 1999 3.35 3.23 3.94 5.19 7.26 8.00 7.81 10.22 8.87 6.54 4.83 3.70 6.08 2000 3.24 3.28 3.54 6.32 7.36 7.59 8.72 8.97 9.06 6.47 4.84 4.08 6.12 MEAN 3.44 3.60 4.38 5.93 7.51 8.82 9.88 9.85 8.77 7.04 5.28 3.99 6.54 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 7 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 8.64 7.55 ****** 3.68 ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1966 4.89 4.82 5.24 6.43 7.24 9.60 10.51 11.90 10.49 8.49 5.80 5.22 7.55 1967 4.33 4.34 4.52 8.01 8.68 8.90 9.07 11.86 9.96 8.66 4.87 3.30 7.21 1968 2.24 2.34 2.38 3.54 ****** 7.95 9.70 9.08 10.40 8.23 6.76 4.31 ****** 1969 3.14 2.89 5.99 6.31 8.44 8.14 8.12 7.10 7.88 6.99 4.90 4.95 6.24 1970 5.32 5.90 5.90 6.52 6.66 7.78 10.32 10.74 9.28 9.23 5.55 4.24 7.29 1971 2.87 3.71 5.72 7.28 9.00 8.15 9.44 7.60 8.66 7.09 6.30 3.91 6.65 1972 2.26 2.17 3.73 9.03 8.06 9.45 10.17 7.70 10.23 7.96 5.84 3.42 6.67 1973 2.55 3.46 4.28 5.62 6.94 8.82 10.24 10.28 8.63 7.53 4.26 3.14 6.31 1974 2.43 2.84 5.60 5.02 6.80 9.63 9.67 8.72 8.29 6.19 5.59 4.20 6.25 1975 3.10 3.48 3.37 6.34 8.15 8.28 8.47 7.90 7.53 6.38 4.21 2.98 5.85 1976 3.15 3.06 3.38 5.62 7.49 8.09 9.10 8.03 8.83 6.75 4.73 4.18 6.03 1977 2.81 3.86 5.23 5.89 6.87 9.81 9.80 9.29 7.45 5.53 5.05 3.64 6.27 1978 3.73 3.72 4.48 5.68 7.14 8.41 8.59 8.88 8.33 7.89 4.21 4.24 6.28 1979 3.55 3.91 4.70 5.66 7.37 9.10 10.39 8.62 8.65 7.83 6.12 4.42 6.69 1980 3.12 3.95 4.49 5.69 7.01 7.57 9.35 9.62 7.69 6.04 6.39 3.90 6.24 1981 3.64 3.54 4.62 5.78 7.34 9.12 9.77 10.55 7.55 7.58 5.10 4.52 6.59 1982 ****** ****** 3.89 7.29 8.77 10.00 11.58 9.48 8.71 7.13 4.05 ****** ****** 1983 2.36 4.11 3.97 5.03 8.45 9.63 12.04 11.22 8.58 6.86 6.37 ****** ****** 1984 4.96 ****** 5.77 5.17 5.50 6.99 7.66 9.42 10.45 6.72 6.51 ****** ****** 1985 ****** 3.39 3.63 5.68 6.60 8.61 10.91 9.39 7.00 5.19 5.27 3.47 ****** 1986 2.99 3.45 3.45 6.46 7.77 9.24 11.32 10.78 7.68 6.69 5.40 3.13 6.53 1987 3.11 3.82 3.33 4.51 6.97 8.48 8.62 9.56 7.15 5.11 3.94 3.88 5.71 1988 3.12 3.24 3.85 5.86 6.31 8.32 11.50 10.77 7.57 6.85 4.42 3.84 6.30 1989 1.99 2.39 4.66 5.78 6.95 10.15 10.27 9.66 7.33 6.37 5.51 3.49 6.21 1990 2.21 2.88 3.60 5.40 6.10 6.84 9.36 9.25 6.31 6.49 4.63 3.77 5.57 1991 2.58 2.51 3.84 5.25 5.05 7.69 7.88 9.51 7.01 6.94 5.76 3.67 5.64 1992 2.24 2.56 3.26 4.21 5.83 8.73 9.26 7.61 6.68 4.86 4.75 3.29 5.27 1993 2.39 2.80 3.25 4.88 7.31 7.11 8.87 9.04 7.01 5.22 4.25 3.46 5.47 1994 3.69 2.93 4.15 6.56 7.51 7.76 9.08 9.66 6.15 6.73 5.78 2.92 6.08 1995 3.46 3.50 3.91 4.87 6.13 6.95 8.95 8.73 7.94 5.59 4.34 2.79 5.60 1996 3.09 3.07 4.00 4.75 6.30 6.34 9.67 8.32 7.01 5.82 4.52 4.62 5.63 1997 3.03 2.44 3.16 3.97 6.15 7.85 10.23 9.03 7.11 6.48 4.96 3.68 5.67 1998 2.98 2.36 3.55 5.21 7.85 8.43 8.81 9.58 7.93 5.86 4.87 3.83 5.94 1999 3.22 2.94 3.78 5.12 6.98 7.82 8.25 9.73 8.18 6.30 5.09 3.74 5.93 2000 3.18 3.25 3.31 5.98 7.48 7.45 8.91 8.74 8.45 6.16 4.55 4.18 5.97 MEAN 3.15 3.33 4.18 5.73 7.16 8.38 9.60 9.36 8.14 6.76 5.17 3.82 6.23 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 8 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1962 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1963 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 8.0 12 7.5 31 ***** ** -8.0 22 ***** 1964 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1965 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1966 -5.5 25 -4.0 7 ***** ** 5.3 1 5.5 16 13.5 15 17.5 20 17.5 29 11.0 23 4.5 31 -1.8 26 -7.5 7 ***** 1967 -3.5 31 -4.5 21 -5.0 5 6.5 1 7.0 2 10.5 1 13.5 10 10.5 1 11.0 26 6.0 31 -4.5 30 -5.5 28 -5.5 1968 -6.0 28 -8.5 26 -3.0 25 -1.0 4 ***** ** 8.5 7 18.0 1 17.0 20 12.0 25 3.0 28 2.0 21 -2.6 10 ***** 1969 -11.0 31 -16.0 4 -0.5 2 4.0 4 9.0 7 15.0 1 15.0 1 18.0 9 7.5 29 -1.5 31 -4.0 20 -2.0 17 -16.0 1970 -1.0 4 1.0 1 -1.0 10 3.5 22 9.0 10 10.0 10 18.5 19 18.0 27 14.5 9 7.6 29 0.5 15 -1.5 27 -1.5 1971 -18.2 25 -14.0 14 -1.0 1 2.5 1 11.0 12 11.5 12 17.0 9 15.0 12 11.5 29 6.5 31 -5.5 29 -10.5 20 -18.2 1972 -28.5 26 -24.5 3 -9.0 28 -0.5 6 10.0 7 15.0 24 20.5 29 14.0 16 12.0 30 5.5 23 -1.8 22 -12.2 27 -28.5 1973 -14.5 20 -13.0 7 -2.6 11 3.4 1 6.0 5 13.0 8 19.5 2 17.5 31 11.0 22 2.5 30 -5.9 21 -9.0 30 -14.5 1974 -14.5 3 -14.5 3 -4.5 6 2.5 1 7.0 1 14.5 10 13.5 8 15.0 25 11.5 19 3.5 20 -2.5 29 -6.0 18 -14.5 1975 -10.0 7 -9.0 12 -5.5 17 1.5 1 10.0 1 15.5 14 22.0 2 16.5 31 12.5 17 4.5 31 -4.5 15 -14.5 15 -14.5 1976 -11.0 14 -9.0 19 -7.5 4 3.0 3 5.5 7 16.0 12 15.5 5 19.5 24 10.0 30 4.5 31 -3.5 19 -1.5 6 -11.0 1977 -12.5 25 -8.0 1 0.5 15 7.0 17 10.5 1 15.0 2 19.5 2 19.5 1 13.0 30 -4.0 23 -2.5 16 -8.0 25 -12.5 1978 -5.5 1 -5.0 26 0.0 4 3.0 15 7.0 7 13.0 3 18.0 2 19.5 21 11.5 27 5.0 30 -3.0 23 -3.0 8 -5.5 1979 -7.0 14 -4.0 27 -5.5 5 6.5 1 11.5 2 14.0 1 19.0 7 18.0 30 14.5 29 6.0 30 0.0 26 -3.5 19 -7.0 1980 -11.5 31 -11.5 1 -3.0 8 1.5 17 9.5 1 15.0 17 21.0 6 20.0 23 7.0 19 1.5 30 -2.0 24 -5.5 20 -11.5 1981 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 19.0 6 11.0 23 7.0 19 ***** ** -3.0 20 ***** 1982 ***** ** ***** ** -6.0 12 3.5 1 10.5 4 13.0 28 16.5 6 16.0 1 13.0 18 2.5 31 -3.0 15 ***** ** ***** 1983 -20.0 8 -13.5 1 -6.5 7 2.5 2 7.5 10 15.0 9 19.0 2 15.0 26 9.0 28 4.5 22 1.5 26 ***** ** ***** 1984 -6.0 1 -6.5 18 -1.5 1 4.5 2 6.0 8 14.0 1 20.5 4 16.0 31 15.0 24 2.0 20 0.0 15 ***** ** ***** 1985 ***** ** -12.6 23 -19.6 3 5.4 5 8.0 4 15.5 9 17.0 29 18.4 12 9.6 22 0.0 31 -1.6 25 -15.0 31 ***** 1986 -13.5 21 -4.0 3 -6.0 3 5.0 2 7.0 6 8.0 22 17.0 27 18.0 28 9.8 30 7.0 9 -1.6 17 -7.2 11 -13.5 1987 -6.2 19 -7.3 11 -5.0 15 -1.2 21 10.5 3 14.8 3 17.4 4 13.7 29 8.5 24 3.0 28 -6.0 30 -7.2 31 -7.3 1988 -8.2 22 -6.0 6 -4.4 6 1.0 2 5.4 2 13.5 18 16.5 1 14.0 30 13.0 15 3.5 22 -5.2 15 -14.8 29 -14.8 1989 -18.0 9 -14.0 5 -2.0 30 4.8 1 9.8 12 13.5 1 21.2 7 19.4 21 8.4 23 4.5 25 -5.0 22 -5.2 6 -18.0 1990 -15.8 11 -13.2 1 -6.8 18 -0.4 4 6.8 3 15.5 18 18.6 1 18.4 1 12.6 23 4.0 16 -2.0 14 -7.6 29 -15.8 1991 -12.0 25 -11.0 12 -5.6 11 5.0 6 9.8 25 12.5 8 19.2 15 19.2 14 11.0 28 8.0 18 -0.6 24 -6.0 18 -12.0 1992 -16.0 18 -10.4 11 -6.4 12 0.0 3 0.0 5 11.5 8 14.0 11 16.0 12 7.0 28 3.4 16 -5.0 28 -8.5 31 -16.0 1993 -19.6 17 -11.6 6 -7.8 4 -2.0 23 5.4 1 11.7 22 16.4 12 18.6 29 8.8 25 1.6 30 -6.0 14 -4.8 20 -19.6 1994 -5.4 28 -6.8 4 -3.0 3 3.8 3 8.4 7 11.3 28 17.2 1 18.6 25 12.4 22 7.2 10 -1.4 30 -14.8 7 -14.8 1995 -9.2 23 -4.6 28 -3.6 2 2.2 6 7.0 10 15.0 8 17.0 3 19.6 12 9.6 30 3.8 19 -4.2 30 -10.0 19 -10.0 1996 -10.8 16 -11.6 4 -4.2 1 1.2 6 9.4 2 12.6 9 18.6 9 18.2 30 10.6 21 2.6 31 -3.8 18 -3.4 21 -11.6 1997 -9.4 29 -14.2 7 -9.6 8 -1.4 12 9.4 6 12.6 3 16.4 7 20.8 25 8.4 15 4.0 31 -3.2 29 -9.8 22 -14.2 1998 -8.6 10 -9.2 10 -6.2 2 3.6 2 7.6 4 15.6 2 20.0 8 18.4 1 12.2 29 4.6 25 0.6 25 -5.0 26 -9.2 1999 -7.6 4 -7.4 5 -0.2 2 2.8 10 6.0 20 15.6 9 18.4 13 17.8 30 9.8 23 4.0 27 -2.8 28 -5.4 3 -7.6 2000 -10.0 17 -7.8 8 -8.0 15 4.4 1 7.4 11 10.0 13 22.2 4 19.0 30 12.6 30 4.6 16 -2.4 27 -4.2 30 -10.0 LOW. -28.5 26 -24.5 3 -19.6 3 -2.0 23 0.0 5 8.0 22 13.5 10 10.5 1 7.0 19 -4.0 23 -6.0 30 -15.0 31 -28.5 YEAR 1972 1972 1985 1993 1992 1986 1967 1967 1980 1977 1987 1985 1972 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 9 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1962 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1963 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 35.0 11 27.5 3 ***** ** 16.0 15 ***** 1964 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1965 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1966 19.5 6 19.5 27 21.0 9 29.5 30 33.5 30 40.5 7 41.5 26 40.0 29 38.5 10 26.5 6 22.0 3 14.0 18 41.5 1967 12.5 4 12.5 4 20.0 30 22.5 30 24.0 30 31.0 30 34.5 29 38.5 19 35.5 3 24.0 14 20.0 6 12.0 8 38.5 1968 8.0 6 9.0 7 12.0 31 18.0 30 ***** ** 36.0 27 43.5 19 40.0 7 37.5 27 30.0 17 19.5 27 15.5 2 ***** 1969 9.5 21 12.5 28 21.5 31 27.0 24 35.0 13 39.5 11 41.0 15 40.5 21 37.5 6 30.5 4 16.0 12 13.5 6 41.0 1970 12.5 9 16.5 28 29.5 31 32.5 14 34.0 27 38.0 25 42.0 20 40.0 13 37.0 4 35.2 1 19.4 1 13.0 1 42.0 1971 6.0 15 14.2 28 21.1 29 28.2 30 31.0 24 38.2 21 39.0 5 39.5 24 35.5 10 27.0 5 17.0 8 16.0 1 39.5 1972 4.2 4 7.5 20 16.5 18 31.0 30 30.0 1 36.5 2 38.5 13 37.5 18 36.0 3 35.0 1 22.0 2 11.5 17 38.5 1973 6.5 10 18.5 28 21.0 2 28.5 28 37.0 28 40.0 26 43.0 28 39.0 1 36.0 14 30.0 19 24.5 1 18.0 3 43.0 1974 5.5 13 10.0 24 19.5 16 28.5 18 37.5 22 40.5 21 42.0 1 40.0 15 31.5 9 30.5 22 27.0 1 15.5 21 42.0 1975 11.5 10 14.5 9 19.5 11 32.5 12 36.5 31 40.0 29 42.5 29 40.5 6 41.0 6 27.0 12 20.0 19 10.0 24 42.5 1976 16.0 6 17.0 8 21.0 30 31.0 28 31.0 19 38.0 24 40.5 27 42.5 7 37.5 6 30.0 1 20.5 6 20.0 4 42.5 1977 8.0 1 20.5 28 24.0 1 30.0 9 34.5 14 38.5 12 40.0 13 44.0 25 36.0 24 33.0 3 23.0 4 21.0 3 44.0 1978 14.5 5 20.5 20 25.0 27 28.0 5 34.0 17 36.5 18 44.0 17 39.0 8 38.0 17 31.0 7 20.5 1 17.0 2 44.0 1979 22.0 4 23.5 14 25.5 17 34.0 4 33.0 13 40.0 30 41.0 11 42.0 16 41.5 2 29.0 13 25.5 2 16.0 2 42.0 1980 16.0 28 13.0 15 25.0 30 30.0 8 36.0 21 40.5 29 42.5 20 40.0 16 38.5 6 32.5 3 21.5 8 22.0 6 42.5 1981 16.5 7 18.0 15 24.0 21 30.5 21 32.0 8 36.0 1 40.0 28 39.0 1 37.5 6 29.5 1 25.0 1 20.5 16 40.0 1982 ***** ** ***** ** 21.0 31 30.5 22 32.0 18 36.5 16 41.0 10 39.5 27 38.0 9 29.0 15 21.5 6 ***** ** ***** 1983 8.5 1 13.0 20 25.5 28 31.0 30 34.0 22 40.0 17 42.5 20 41.5 13 36.0 7 32.5 2 23.0 1 ***** ** ***** 1984 13.5 3 14.0 12 23.0 30 30.0 22 31.5 25 41.0 11 42.0 11 41.0 1 36.5 24 32.0 3 18.5 4 ***** ** ***** 1985 ***** ** 18.0 14 17.8 31 30.3 20 34.4 30 42.0 26 39.4 5 39.0 5 40.2 1 28.6 9 23.0 8 9.8 8 ***** 1986 12.0 18 18.5 27 21.0 27 26.0 14 30.6 30 35.6 28 42.6 9 39.6 19 38.6 3 28.5 19 21.6 1 17.4 26 42.6 1987 19.2 30 18.0 26 19.5 9 30.0 30 36.2 9 39.6 28 40.2 30 40.0 14 37.2 5 33.5 2 20.0 21 14.0 21 40.2 1988 6.8 31 17.8 29 22.7 30 26.0 19 32.7 17 37.7 14 41.2 13 37.6 27 37.5 8 29.5 12 23.0 2 16.8 7 41.2 1989 3.8 26 17.6 28 23.2 24 30.2 28 37.5 24 38.1 19 40.6 30 42.3 8 39.8 1 33.0 5 22.2 27 16.2 11 42.3 1990 8.3 2 17.0 17 20.6 23 28.6 27 34.6 31 39.7 3 40.2 22 37.5 4 38.0 13 29.5 11 24.6 3 17.4 5 40.2 1991 11.6 6 16.6 27 25.2 29 29.8 24 31.5 27 37.5 28 41.4 6 41.2 4 38.0 2 29.4 6 16.5 1 16.6 1 41.4 1992 11.0 1 14.6 19 21.2 29 27.0 21 34.0 29 35.4 30 39.5 17 39.7 24 35.8 3 30.2 9 23.0 6 11.6 16 39.7 1993 9.0 29 8.0 8 24.5 30 29.2 18 29.5 30 39.0 27 40.3 24 37.6 30 37.8 3 29.5 1 18.2 8 7.0 26 40.3 1994 14.2 31 13.0 26 24.4 29 29.5 21 33.4 26 38.7 16 35.8 20 37.5 16 34.2 18 28.4 5 21.6 1 8.0 18 38.7 1995 11.0 30 14.6 28 23.2 24 26.6 28 34.2 24 39.6 21 37.8 15 40.6 12 37.4 8 30.6 3 23.2 23 15.8 29 40.6 1996 13.6 1 19.2 9 18.4 6 27.8 29 34.8 28 40.6 29 42.2 24 43.6 21 35.6 7 28.0 24 18.4 23 19.0 26 43.6 1997 16.8 5 16.0 18 19.2 31 34.8 25 35.2 30 37.0 11 38.6 10 41.0 12 37.6 2 30.8 16 18.6 17 16.4 7 41.0 1998 8.4 14 13.6 7 24.4 29 33.2 15 34.6 7 42.8 23 40.4 17 43.8 30 40.0 1 30.8 1 24.8 1 26.0 10 43.8 1999 15.0 31 18.0 3 21.6 8 27.0 20 33.6 29 40.2 24 40.0 31 42.2 3 36.6 2 33.0 2 19.2 20 17.2 30 42.2 2000 14.6 26 16.6 23 21.4 19 30.6 14 34.0 26 40.4 4 42.6 30 43.2 2 37.0 7 29.8 11 18.8 4 14.0 17 43.2 HIG. 22.0 4 23.5 14 29.5 31 34.8 25 37.5 22 42.8 23 44.0 17 44.0 25 41.5 2 35.2 1 27.0 1 26.0 10 44.0 YEAR 1979 1979 1970 1997 1974 1998 1978 1977 1979 1970 1974 1998 1977 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 10 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1962 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1963 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 12.0 28 1.5 24 ***** ** 20.1 17 ***** 1964 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1965 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1966 18.2 30 11.2 18 24.0 1 15.2 22 5.6 7 3.0 1 0.0 ** 7.5 30 20.7 13 37.0 1 2.0 30 4.5 26 37.0 1967 15.8 31 12.0 25 11.5 4 19.8 22 18.4 11 8.6 11 1.8 30 0.0 ** 9.4 12 13.6 27 7.4 27 10.0 16 19.8 1968 27.0 22 12.8 19 4.8 29 14.8 3 5.2 29 14.6 6 2.5 1 6.3 12 0.0 ** 4.1 31 7.7 2 9.2 11 27.0 1969 10.0 20 6.5 20 14.3 27 7.8 29 7.6 7 9.0 16 0.0 ** 0.0 ** 10.3 11 13.0 7 24.0 10 5.7 5 24.0 1970 8.0 23 0.0 ** 0.0 ** 10.0 19 7.7 10 0.0 ** 0.0 ** 13.7 18 0.0 ** 4.5 14 9.5 28 2.0 11 13.7 1971 3.5 16 6.0 10 7.0 15 6.5 19 13.5 29 13.0 5 0.0 ** 0.0 ** 0.0 ** 7.5 8 5.5 18 11.0 7 13.5 1972 14.0 22 2.5 7 15.0 6 3.0 5 11.0 28 7.0 12 0.0 ** 10.5 2 8.0 11 6.0 31 11.0 7 7.0 22 15.0 1973 3.5 23 16.5 23 15.5 17 15.0 19 7.5 13 15.2 4 6.5 22 0.0 ** 0.0 ** 3.0 11 17.0 5 5.0 8 17.0 1974 2.5 8 1.5 26 11.0 18 5.0 19 11.0 5 7.5 3 29.0 7 3.0 22 4.0 8 1.0 9 6.0 24 9.5 6 29.0 1975 15.0 5 14.0 21 9.0 28 19.0 20 52.0 5 5.0 12 4.0 18 0.0 ** 8.0 10 12.0 4 3.5 27 6.5 11 52.0 1976 3.0 13 9.5 5 2.0 1 12.5 24 12.0 15 6.0 20 6.5 4 0.0 ** 5.0 14 17.5 21 2.0 25 15.5 11 17.5 1977 2.5 20 0.0 ** 12.5 3 15.5 8 10.0 27 31.0 2 12.5 10 12.0 29 0.0 ** 8.0 18 7.5 12 7.5 10 31.0 1978 4.0 4 12.0 11 8.5 28 12.0 2 14.5 27 9.0 24 0.0 ** 0.0 ** 0.0 ** 4.5 25 11.5 14 7.0 10 14.5 1979 2.5 20 4.5 3 7.0 25 13.0 5 10.5 5 11.5 7 2.5 6 6.5 25 1.5 11 7.5 6 9.0 16 11.0 1 13.0 1980 4.5 7 3.0 18 22.0 3 12.5 3 3.0 24 2.5 17 0.0 ** 0.0 ** 8.0 21 5.5 29 7.5 10 1.5 28 22.0 1981 2.0 18 6.5 21 10.0 30 13.5 8 11.5 22 9.0 17 2.0 4 3.0 5 0.0 ** 16.0 7 25.0 5 10.0 28 25.0 1982 ***** ** ***** ** 24.0 25 13.5 6 19.5 7 15.0 24 8.0 30 1.5 1 2.0 26 18.0 6 14.0 8 ***** ** ***** 1983 6.5 23 0.0 ** 5.0 6 5.5 19 7.0 17 10.0 23 7.0 22 11.0 25 3.5 13 15.0 6 14.0 25 ***** ** ***** 1984 6.0 16 13.0 14 9.0 12 5.0 4 2.5 11 0.0 ** 5.0 4 3.5 30 4.0 9 18.5 19 13.0 29 ***** ** ***** 1985 ***** ** 7.0 20 24.3 24 12.5 2 11.8 17 2.0 8 2.0 2 0.0 ** 0.0 ** 10.0 11 1.3 11 23.5 29 ***** 1986 11.8 15 5.4 10 3.5 1 9.6 3 11.0 4 13.0 21 0.6 25 0.0 ** 4.4 27 19.5 23 19.0 10 1.7 22 19.5 1987 0.0 ** 8.0 8 6.4 14 7.0 3 6.0 20 8.0 17 0.0 ** 3.0 4 6.0 12 17.0 6 6.0 3 11.0 19 17.0 1988 2.3 6 3.0 2 16.0 9 7.0 18 7.0 25 31.1 19 8.0 26 6.0 30 3.0 5 7.5 19 6.0 11 10.3 27 31.1 1989 0.8 3 0.7 18 6.6 29 5.2 13 6.0 5 1.1 8 0.0 ** 3.0 17 5.0 18 11.5 21 8.0 11 1.0 1 11.5 1990 7.0 4 1.9 3 5.3 6 7.6 1 8.0 11 4.2 14 0.0 ** 0.5 10 0.0 ** 10.0 1 2.2 27 7.4 10 10.0 1991 1.4 23 1.3 26 12.0 24 14.3 18 5.6 14 5.6 21 2.2 27 2.6 12 0.3 21 11.0 21 8.4 2 16.0 9 16.0 1992 4.8 16 5.0 21 2.3 7 14.4 5 6.4 21 14.7 6 15.0 9 1.0 9 2.0 13 3.1 15 26.0 7 4.0 16 26.0 1993 8.0 8 1.4 3 8.0 3 12.0 2 14.4 6 16.0 21 1.0 12 0.7 20 0.0 ** 14.0 31 17.0 11 2.0 2 17.0 1994 15.0 2 3.1 13 17.5 7 30.0 1 14.1 5 11.0 26 0.2 9 4.0 30 0.3 8 7.0 19 7.0 30 7.0 1 30.0 1995 3.0 16 5.0 8 12.1 17 2.0 5 12.2 2 14.1 7 2.3 7 0.0 ** 14.0 29 0.0 ** 5.7 3 0.1 14 14.1 1996 1.2 30 2.0 12 14.0 26 7.0 12 5.0 18 0.7 1 2.0 8 0.8 16 10.0 22 3.8 14 5.0 6 2.0 14 14.0 1997 7.0 16 5.4 5 7.1 6 11.0 28 4.1 22 8.0 29 18.1 5 0.0 ** 3.2 13 3.0 6 2.0 5 5.0 10 18.1 1998 1.6 27 5.0 8 10.0 31 4.0 17 10.0 12 26.0 1 1.0 31 0.2 2 1.0 14 9.0 1 2.0 29 2.0 1 26.0 1999 0.1 6 12.0 20 17.7 12 15.0 29 19.0 20 5.0 8 0.3 16 0.7 18 1.0 13 17.0 24 8.0 26 0.6 15 19.0 2000 3.0 7 7.0 14 5.2 25 14.0 21 7.0 20 1.0 1 0.0 ** 0.0 ** 7.0 11 12.0 25 2.0 23 6.4 26 14.0 HIG. 27.0 22 16.5 23 24.3 24 30.0 1 52.0 5 31.1 19 29.0 7 13.7 18 20.7 13 37.0 1 26.0 7 23.5 29 52.0 YEAR 1968 1973 1985 1994 1975 1988 1974 1970 1966 1966 1992 1985 1975 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 11 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 MET. MONTHLY TOTAL PRECIPITATION WITH SEASONAL PERCENT. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL SEASONAL-PERCENT ----------------------- 1961 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 20.0 3.5 ****** 22.1 ****** ***** ***** 43.9 56.1 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1965 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1966 27.6 26.6 33.9 37.6 26.7 5.2 0.0 8.5 38.7 48.7 2.0 6.9 262.4 33.6 26.5 18.0 22.0 1967 37.6 35.0 29.5 43.2 51.8 19.4 1.8 0.0 9.4 47.6 17.2 24.8 317.3 32.2 36.1 3.5 28.2 1968 40.0 33.4 19.0 41.0 8.6 68.8 2.5 7.2 0.0 10.8 16.1 44.5 291.9 31.7 40.6 3.3 24.5 1969 11.0 11.7 48.0 39.2 17.9 28.4 0.0 0.0 19.6 46.7 39.3 16.1 277.9 25.4 30.8 7.1 36.7 1970 38.0 0.0 0.0 25.6 20.2 0.0 0.0 19.3 0.0 5.1 23.8 4.4 136.4 27.9 33.6 14.1 24.4 1971 6.6 12.0 9.0 22.7 39.5 17.2 0.0 0.0 0.0 13.0 8.5 19.0 147.5 18.7 53.8 0.0 27.5 1972 22.7 2.5 28.5 10.5 72.0 24.5 0.0 17.0 10.5 12.0 39.0 8.0 247.2 21.7 43.3 11.1 23.9 1973 7.5 24.5 39.5 54.7 36.0 35.2 9.0 0.0 0.0 7.0 22.7 10.7 246.8 29.0 51.0 3.6 16.4 1974 7.8 2.0 37.2 20.0 22.0 13.2 33.5 7.5 7.5 1.0 9.5 13.0 174.2 27.0 31.7 27.8 13.5 1975 28.5 18.0 9.0 37.5 86.5 6.5 4.0 0.0 16.0 18.0 4.5 7.5 236.0 23.5 55.3 8.5 12.7 1976 3.0 13.5 2.5 42.0 70.5 6.0 14.5 0.0 8.0 43.2 2.0 26.0 231.2 8.2 51.3 9.7 30.8 1977 2.5 0.0 31.7 54.0 35.5 38.6 19.5 19.0 0.0 8.0 9.5 17.5 235.8 14.5 54.3 16.3 14.8 1978 13.0 24.0 20.0 31.5 60.0 25.9 0.0 0.0 0.0 9.5 14.0 17.5 215.4 26.5 54.5 0.0 19.0 1979 5.0 13.0 14.5 32.5 31.0 31.0 2.5 6.5 1.5 28.5 15.5 17.0 198.5 16.4 47.6 5.3 30.7 1980 7.0 4.0 42.0 42.0 9.5 2.5 0.0 0.0 10.0 10.0 28.0 2.0 157.0 33.8 34.4 6.4 25.5 1981 4.0 13.5 25.5 48.5 34.0 27.0 4.5 7.0 0.0 16.5 50.5 13.5 244.5 17.6 44.8 4.7 32.9 1982 ****** ****** 39.5 56.0 60.5 43.5 19.5 2.5 3.0 39.0 16.0 ****** ****** 14.1 57.2 8.9 19.7 1983 17.0 0.0 5.0 11.5 51.5 34.0 7.0 21.5 5.5 21.0 39.5 ****** ****** 10.3 45.4 15.9 28.3 1984 10.0 18.5 25.0 19.5 4.5 0.0 5.0 3.5 4.0 33.0 50.5 ****** ****** 30.8 13.8 7.2 48.1 1985 ****** 22.8 61.9 50.2 27.0 4.6 4.6 0.0 0.0 13.1 2.8 36.2 ****** 37.9 36.6 2.1 23.3 1986 25.2 6.7 16.5 23.4 46.9 48.6 0.7 0.0 6.7 29.2 44.6 2.2 250.7 19.3 47.4 3.0 30.3 1987 0.0 16.8 12.1 20.1 22.9 10.0 0.0 5.1 12.2 43.6 8.0 45.8 196.6 14.7 27.0 8.8 49.5 1988 7.1 4.2 21.9 25.1 31.3 62.1 9.9 15.7 3.2 11.2 14.7 17.5 223.9 14.8 52.9 12.9 19.4 1989 1.4 1.0 20.3 11.5 19.0 1.9 0.0 3.0 11.7 17.8 19.4 2.8 109.8 20.7 29.5 13.4 36.4 1990 16.3 2.3 9.5 44.2 24.2 8.3 0.0 0.5 0.0 34.1 3.4 8.7 151.5 18.5 50.6 0.3 30.5 1991 1.4 2.0 23.6 33.3 20.2 10.3 4.1 2.8 0.3 16.0 29.3 39.7 183.0 14.8 34.9 3.9 46.4 1992 5.4 15.2 5.1 26.1 15.4 62.8 16.5 2.5 4.2 5.1 32.9 4.6 195.8 13.1 53.3 11.8 21.8 1993 17.6 6.0 18.2 36.2 59.0 33.3 1.8 1.0 0.0 21.9 50.7 3.5 249.2 16.8 51.6 1.1 30.5 1994 29.7 10.0 23.8 66.9 45.0 22.5 0.2 4.6 0.6 27.3 24.9 17.5 273.0 23.3 49.2 2.0 25.5 1995 5.9 5.4 19.8 10.1 16.0 27.0 4.6 0.0 58.2 0.0 9.9 0.1 157.0 19.8 33.8 40.0 6.4 1996 1.9 2.3 22.8 16.9 13.8 1.3 4.3 0.8 12.7 6.8 5.3 5.2 94.1 28.7 34.0 18.9 18.4 1997 10.0 7.0 14.2 19.0 7.5 24.5 26.1 0.0 6.1 6.0 6.8 12.3 139.5 22.4 36.6 23.1 18.0 1998 3.7 5.8 18.7 15.9 39.1 26.1 1.8 0.2 2.6 11.0 2.7 4.3 131.9 21.4 61.5 3.5 13.6 1999 0.1 13.1 35.1 41.2 69.5 10.4 0.4 1.1 1.9 36.4 11.1 0.6 220.9 21.9 54.8 1.5 21.8 2000 7.1 14.6 9.9 32.0 25.3 1.0 0.0 0.0 12.0 13.4 4.4 9.4 129.1 24.5 45.2 9.3 21.1 MEAN 12.8 11.4 22.6 32.6 34.9 22.3 5.7 4.5 7.9 19.9 19.4 14.6 208.6 22.4 43.1 8.6 25.8 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 12 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 MET. NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 *** *** *** *** *** *** *** *** *** *** *** *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 3 6 *** 2 *** 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** *** *** *** *** *** 1966 3 6 5 7 11 3 0 2 5 4 1 3 50 1967 6 6 3 3 6 5 1 0 1 5 3 3 42 1968 4 5 7 5 3 9 1 2 0 4 4 10 54 1969 2 3 9 13 5 7 0 0 3 12 3 4 61 1970 8 0 0 7 5 0 0 2 0 2 3 4 31 1971 2 2 2 7 9 3 0 0 0 3 4 5 37 1972 5 1 4 6 18 7 0 4 2 5 8 3 63 1973 3 4 7 12 9 4 3 0 0 5 4 5 56 1974 6 2 9 9 4 5 3 3 2 1 2 2 48 1975 3 4 1 6 10 2 1 0 4 3 3 2 39 1976 1 3 2 9 11 1 3 0 2 6 1 3 42 1977 1 0 11 8 8 7 3 3 0 1 2 4 48 1978 4 3 5 9 13 4 0 0 0 4 3 5 50 1979 3 5 3 6 7 9 1 1 2 11 3 4 55 1980 3 2 6 9 5 1 0 0 2 3 6 2 39 1981 4 4 9 8 14 8 4 5 0 2 6 2 66 1982 *** *** 4 10 8 7 6 2 6 4 5 *** *** 1983 6 2 1 4 17 9 1 3 2 4 8 *** *** 1984 3 3 6 8 2 0 1 1 1 6 9 *** *** 1985 *** 12 13 12 8 4 4 0 0 4 4 6 *** 1986 7 4 7 13 19 10 2 0 5 8 9 3 87 1987 0 8 5 9 8 4 0 5 3 9 3 13 67 1988 10 5 8 9 13 12 3 6 2 6 7 7 88 1989 2 2 10 4 8 4 0 1 6 8 9 4 58 1990 7 2 5 16 7 3 0 1 0 8 5 5 59 1991 1 3 9 10 9 5 4 2 1 4 6 9 63 1992 4 5 5 5 13 13 2 3 5 2 8 5 70 1993 10 8 6 12 12 9 2 2 0 3 13 6 83 1994 9 6 8 13 12 5 1 2 2 10 11 6 85 1995 5 3 6 9 8 9 3 0 7 0 3 1 54 1996 5 2 6 9 10 3 4 1 6 3 2 5 56 1997 2 4 6 7 6 14 4 0 4 8 6 5 66 1998 5 3 7 11 16 2 4 1 5 2 4 4 64 1999 1 3 10 9 11 5 2 3 4 4 3 1 56 2000 7 9 5 8 9 1 0 0 3 4 5 7 58 MEAN 4 4 6 9 10 6 2 2 2 5 5 5 60 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 13 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 3 1 *** 2 *** 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** *** *** *** *** *** 1966 3 6 4 7 11 3 0 2 5 4 1 3 49 1967 5 6 3 3 6 5 1 0 1 5 3 3 41 1968 4 5 7 5 2 8 1 1 0 4 4 9 50 1969 2 3 8 11 4 7 0 0 3 8 3 4 53 1970 8 0 0 7 4 0 0 2 0 1 3 2 27 1971 2 2 2 7 9 2 0 0 0 2 3 4 33 1972 5 1 4 5 18 6 0 4 2 4 8 1 58 1973 2 3 6 11 8 4 3 0 0 2 4 5 48 1974 4 1 9 9 4 5 2 3 2 1 2 2 44 1975 3 3 1 5 8 2 1 0 4 3 1 2 33 1976 1 3 1 9 11 1 3 0 2 6 1 3 41 1977 1 0 8 8 7 5 3 3 0 1 2 4 42 1978 4 3 5 8 13 4 0 0 0 3 3 5 48 1979 2 5 3 5 6 8 1 1 1 8 2 4 46 1980 3 2 6 8 5 1 0 0 2 3 6 1 37 1981 2 3 6 7 7 7 3 2 0 1 5 2 45 1982 *** *** 4 8 8 5 4 2 1 3 2 *** *** 1983 6 0 1 4 15 6 1 3 2 2 6 *** *** 1984 3 3 5 7 2 0 1 1 1 6 9 *** *** 1985 *** 6 9 8 5 2 2 0 0 4 2 5 *** 1986 5 2 5 7 12 7 0 0 2 5 7 1 53 1987 0 5 3 5 7 2 0 2 2 8 3 8 45 1988 3 1 3 5 8 8 2 4 1 2 4 3 44 1989 0 0 7 3 5 1 0 1 4 2 6 1 30 1990 4 1 4 13 5 2 0 0 0 4 1 1 35 1991 1 1 6 5 5 3 2 1 0 4 5 6 39 1992 1 4 2 4 4 10 2 2 2 2 3 1 37 1993 5 3 5 9 10 4 1 0 0 3 10 2 52 1994 5 4 3 7 8 3 0 1 0 7 8 4 50 1995 2 1 4 5 2 5 2 0 6 0 3 0 30 1996 1 1 5 5 7 0 3 0 1 3 1 3 30 1997 2 1 5 4 3 3 3 0 2 2 4 4 33 1998 2 1 3 6 9 1 1 0 2 2 1 2 30 1999 0 2 7 7 9 3 0 0 1 3 2 0 34 2000 3 6 3 5 5 1 0 0 3 1 2 1 30 MEAN 3 3 4 7 7 4 1 1 2 3 4 3 42 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 14 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 1 0 *** 1 *** 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** *** *** *** *** *** 1966 1 1 1 1 0 0 0 0 2 1 0 0 7 1967 2 1 1 2 1 0 0 0 0 2 0 1 10 1968 1 1 0 2 0 3 0 0 0 0 0 0 7 1969 1 0 1 0 0 0 0 0 1 1 1 0 5 1970 0 0 0 1 0 0 0 1 0 0 0 0 2 1971 0 0 0 0 1 1 0 0 0 0 0 1 3 1972 1 0 1 0 1 0 0 1 0 0 1 0 5 1973 0 1 2 1 0 2 0 0 0 0 1 0 7 1974 0 0 1 0 1 0 1 0 0 0 0 0 3 1975 2 1 0 2 2 0 0 0 0 1 0 0 8 1976 0 0 0 1 5 0 0 0 0 2 0 1 9 1977 0 0 1 2 2 1 1 1 0 0 0 0 8 1978 0 1 0 1 1 0 0 0 0 0 1 0 4 1979 0 0 0 1 1 1 0 0 0 0 0 1 4 1980 0 0 1 2 0 0 0 0 0 0 0 0 3 1981 0 0 1 2 1 0 0 0 0 1 2 1 8 1982 *** *** 1 3 2 2 0 0 0 2 1 *** *** 1983 0 0 0 0 0 1 0 1 0 1 2 *** *** 1984 0 1 0 0 0 0 0 0 0 1 2 *** *** 1985 *** 0 1 2 1 0 0 0 0 1 0 1 *** 1986 1 0 0 0 1 1 0 0 0 1 1 0 5 1987 0 0 0 0 0 0 0 0 0 1 0 1 2 1988 0 0 1 0 0 2 0 0 0 0 0 1 4 1989 0 0 0 0 0 0 0 0 0 1 0 0 1 1990 0 0 0 0 0 0 0 0 0 2 0 0 2 1991 0 0 1 1 0 0 0 0 0 1 0 2 5 1992 0 0 0 1 0 2 1 0 0 0 1 0 5 1993 0 0 0 1 2 2 0 0 0 1 2 0 8 1994 1 0 1 3 1 1 0 0 0 0 0 0 7 1995 0 0 1 0 1 1 0 0 3 0 0 0 6 1996 0 0 1 0 0 0 0 0 1 0 0 0 2 1997 0 0 0 1 0 0 1 0 0 0 0 0 2 1998 0 0 1 0 1 1 0 0 0 0 0 0 3 1999 0 1 1 1 4 0 0 0 0 2 0 0 9 2000 0 0 0 1 0 0 0 0 0 1 0 0 2 MEAN 0 0 1 1 1 1 0 0 0 1 0 0 5 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 15 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 *** *** *** *** *** *** *** *** *** *** *** *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 59 75 *** 68 *** 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** *** *** *** *** *** 1966 80 87 82 79 73 56 48 57 73 86 84 83 74 1967 81 80 63 79 70 69 63 66 68 76 70 71 71 1968 56 68 53 58 *** 68 50 57 62 80 92 89 *** 1969 84 82 83 79 76 66 54 50 71 86 88 86 75 1970 89 82 80 73 67 53 48 58 71 90 87 87 74 1971 84 83 83 78 76 54 50 56 69 89 85 86 74 1972 89 86 85 75 79 67 46 55 75 79 89 87 76 1973 86 92 80 79 73 62 56 53 68 69 80 89 74 1974 88 87 78 68 59 63 58 60 81 70 86 88 74 1975 86 85 82 72 74 55 41 49 67 79 78 83 71 1976 81 81 79 73 74 58 53 49 67 76 83 83 71 1977 90 89 79 76 67 65 51 56 66 71 83 84 73 1978 87 79 77 76 77 63 53 49 69 78 86 90 74 1979 81 81 77 72 69 71 54 54 74 85 86 89 74 1980 91 88 79 74 68 54 48 57 67 74 89 84 73 1981 86 81 76 79 76 66 58 60 63 77 87 86 75 1982 *** *** 85 81 77 76 66 58 72 81 82 *** *** 1983 88 92 74 65 79 70 61 63 69 77 81 *** *** 1984 *** *** 84 73 63 52 45 58 69 76 90 *** *** 1985 *** 84 86 81 73 57 55 49 58 70 78 87 *** 1986 86 79 80 74 86 76 54 52 54 81 91 82 75 1987 74 86 74 75 64 50 41 53 58 71 80 84 68 1988 86 81 79 77 78 69 58 66 62 77 86 86 75 1989 82 79 81 74 65 59 47 55 68 75 82 83 71 1990 86 81 70 85 71 54 46 53 56 81 77 88 71 1991 84 72 75 80 64 59 47 51 60 72 95 86 70 1992 84 78 76 75 72 77 56 58 66 69 82 82 73 1993 84 82 79 74 82 68 51 55 63 71 84 88 73 1994 89 81 80 84 83 65 52 55 56 76 85 85 74 1995 87 84 78 77 67 61 50 51 70 74 76 79 71 1996 79 69 73 75 68 48 50 50 65 72 83 81 68 1997 71 74 76 59 66 62 60 52 68 73 85 83 69 1998 88 75 68 71 75 55 47 55 67 67 70 79 68 1999 78 64 75 75 78 55 43 55 70 77 85 87 70 2000 82 84 72 74 67 51 42 49 68 76 86 81 69 MEAN 83 81 77 75 72 62 51 55 66 77 84 84 72 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 16 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 *** *** *** *** *** *** *** *** *** *** *** *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 43 55 *** 58 *** 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** *** *** *** *** *** 1966 55 56 39 45 37 31 27 34 48 53 51 72 46 1967 76 67 49 73 58 60 37 46 46 63 52 54 57 1968 52 50 34 39 *** 35 25 30 34 52 60 74 *** 1969 80 82 71 52 41 26 28 20 28 50 53 70 50 1970 75 68 64 36 28 26 28 31 37 82 70 69 51 1971 85 72 72 59 44 28 28 22 35 47 68 73 53 1972 81 88 70 38 50 35 29 24 36 42 61 67 52 1973 79 70 46 42 36 35 34 35 38 40 56 67 48 1974 75 73 58 40 29 32 32 33 39 33 57 65 47 1975 64 54 39 36 41 30 27 26 33 39 44 63 41 1976 54 57 42 37 40 30 30 23 33 48 54 62 43 1977 91 71 42 36 32 39 33 31 32 37 47 65 46 1978 67 51 37 37 37 38 25 29 28 45 55 62 43 1979 58 48 38 34 36 38 34 26 31 48 60 61 43 1980 73 59 42 34 31 25 28 31 34 37 56 50 42 1981 49 42 43 45 40 35 29 33 28 40 56 55 41 1982 *** *** 42 43 46 37 35 31 34 49 51 *** *** 1983 82 84 44 33 40 37 32 37 39 40 59 *** *** 1984 81 85 65 31 34 26 22 31 40 43 67 *** *** 1985 *** 63 63 44 35 32 37 29 33 39 52 71 *** 1986 71 55 51 47 47 45 35 36 32 48 66 57 49 1987 51 63 45 40 32 30 29 35 37 51 51 66 44 1988 78 62 50 42 36 36 41 42 37 46 54 64 49 1989 68 55 51 37 36 38 28 30 35 44 58 61 45 1990 72 64 45 49 37 26 32 33 28 47 47 67 46 1991 63 49 49 45 33 29 25 31 32 43 69 72 45 1992 69 54 46 38 36 40 32 31 33 35 60 64 45 1993 76 66 47 40 45 36 29 31 34 41 71 85 50 1994 76 61 49 50 42 36 31 32 28 46 63 73 49 1995 72 61 44 36 29 28 29 29 40 42 44 52 42 1996 63 51 48 41 33 26 28 27 32 40 52 59 42 1997 48 47 47 29 32 31 35 28 37 40 53 66 41 1998 70 48 37 36 40 29 26 31 37 36 47 54 41 1999 54 39 41 40 41 29 25 29 39 45 54 58 41 2000 62 58 42 37 38 28 23 27 38 47 55 66 43 MEAN 69 61 48 41 38 33 30 31 35 45 56 64 46 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 17 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 *** *** *** *** *** *** *** *** *** *** *** *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 43 64 *** 60 *** 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** *** *** *** *** *** 1966 58 60 53 50 43 39 31 38 52 61 55 76 51 1967 76 76 65 78 68 65 42 48 52 65 57 59 63 1968 50 53 38 45 *** 39 32 29 43 54 72 80 *** 1969 83 82 74 59 49 36 32 23 37 56 65 76 56 1970 79 72 65 43 38 29 34 37 36 86 78 80 56 1971 82 80 72 67 55 29 31 25 37 54 76 79 57 1972 82 88 65 63 55 41 33 29 45 51 78 80 59 1973 87 80 53 46 41 41 37 36 43 52 68 77 55 1974 75 77 70 45 32 38 37 37 47 42 68 79 54 1975 74 62 45 42 45 31 25 27 43 52 55 75 48 1976 61 72 49 45 45 35 32 26 41 56 65 68 50 1977 91 69 51 41 37 40 37 33 35 52 60 74 52 1978 76 57 46 45 44 47 29 33 34 57 65 69 50 1979 66 55 51 40 43 46 36 27 36 63 70 76 51 1980 77 75 54 44 37 28 28 35 37 49 70 59 49 1981 63 49 49 51 49 38 32 40 31 51 71 70 50 1982 *** *** 49 50 52 43 40 37 41 63 63 *** *** 1983 90 92 51 38 48 41 34 42 44 53 71 *** *** 1984 94 *** 70 36 36 28 22 35 45 55 77 *** *** 1985 *** 65 61 40 30 29 37 28 27 38 53 76 *** 1986 77 57 46 47 47 41 35 33 30 47 69 60 49 1987 46 57 42 35 32 29 26 32 33 52 52 66 42 1988 79 56 43 41 35 37 40 42 35 48 58 65 48 1989 72 57 46 31 34 34 29 29 33 47 61 59 44 1990 74 61 39 44 35 25 29 33 24 47 47 66 44 1991 59 42 44 34 30 29 24 32 29 44 71 75 43 1992 66 54 42 34 38 44 33 29 33 33 63 62 44 1993 78 73 46 42 46 30 30 30 30 41 74 84 50 1994 77 61 48 45 42 34 32 33 26 49 70 79 50 1995 71 58 42 34 31 27 30 27 38 42 50 52 42 1996 59 44 48 39 30 25 30 26 29 40 53 60 40 1997 49 51 45 26 31 30 33 28 38 39 58 70 42 1998 68 42 35 33 40 28 27 29 34 37 49 55 40 1999 54 36 37 38 39 29 26 28 36 45 62 63 41 2000 64 56 38 37 39 25 23 26 36 48 55 70 43 MEAN 71 63 51 44 41 35 32 32 37 51 64 70 49 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 18 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 0 0 *** 12 *** 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** *** *** *** *** *** 1966 1 1 *** 0 0 0 0 0 0 0 0 5 *** 1967 0 2 1 0 0 0 0 0 0 0 1 7 11 1968 15 13 0 0 *** 0 0 0 0 0 0 0 *** 1969 16 18 0 0 0 0 0 0 0 0 1 0 35 1970 0 0 0 0 0 0 0 0 0 0 0 0 0 1971 22 13 0 0 0 0 0 0 0 0 3 11 49 1972 25 24 9 0 0 0 0 0 0 0 0 17 75 1973 25 16 0 0 0 0 0 0 0 0 8 19 68 1974 23 16 2 0 0 0 0 0 0 0 0 10 51 1975 23 11 3 0 0 0 0 0 0 0 1 19 57 1976 12 20 3 0 0 0 0 0 0 0 0 0 35 1977 26 2 0 0 0 0 0 0 0 1 0 11 40 1978 5 2 0 0 0 0 0 0 0 0 0 0 7 1979 13 1 4 0 0 0 0 0 0 0 0 0 18 1980 14 9 0 0 0 0 0 0 0 0 0 1 24 1981 *** *** *** *** *** *** *** 0 0 0 *** 0 *** 1982 *** *** 5 0 0 0 0 0 0 0 0 *** *** 1983 28 8 3 0 0 0 0 0 0 0 0 *** *** 1984 10 13 0 0 0 0 0 0 0 0 0 *** *** 1985 *** 13 15 0 0 0 0 0 0 0 0 9 *** 1986 20 1 3 0 0 0 0 0 0 0 0 8 32 1987 7 3 2 0 0 0 0 0 0 0 2 6 20 1988 10 6 1 0 0 0 0 0 0 0 2 7 26 1989 30 23 0 0 0 0 0 0 0 0 1 9 63 1990 24 12 2 0 0 0 0 0 0 0 0 9 47 1991 21 15 1 0 0 0 0 0 0 0 0 6 43 1992 26 14 6 0 0 0 0 0 0 0 1 7 54 1993 25 16 5 0 0 0 0 0 0 0 3 1 50 1994 8 12 0 0 0 0 0 0 0 0 0 13 33 1995 12 3 0 0 0 0 0 0 0 0 2 16 33 1996 12 5 1 0 0 0 0 0 0 0 0 0 18 1997 12 14 6 0 0 0 0 0 0 0 0 6 38 1998 16 15 3 0 0 0 0 0 0 0 0 6 40 1999 11 3 0 0 0 0 0 0 0 0 0 7 21 2000 9 11 2 0 0 0 0 0 0 0 0 1 23 MEAN 16 10 2 0 0 0 0 0 0 0 1 7 36 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 19 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 1 0 *** 0 *** 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** *** *** *** *** *** 1966 0 0 *** 0 0 9 20 25 2 0 0 0 *** 1967 0 0 0 0 0 0 0 0 0 0 0 0 0 1968 0 0 0 0 *** 3 27 23 0 1 0 0 *** 1969 0 0 0 0 0 12 11 23 0 0 0 0 46 1970 0 0 0 0 0 13 24 22 1 0 0 0 60 1971 0 0 0 0 0 12 20 18 0 0 0 0 50 1972 0 0 0 0 0 5 30 22 2 0 0 0 59 1973 0 0 0 0 0 13 28 28 3 0 0 0 72 1974 0 0 0 0 0 11 22 13 0 0 0 0 46 1975 0 0 0 0 0 7 31 23 1 0 0 0 62 1976 0 0 0 0 0 15 26 27 3 0 0 0 71 1977 0 0 0 0 0 16 30 23 1 0 0 0 70 1978 0 0 0 0 0 7 30 24 2 0 0 0 63 1979 0 0 0 0 0 4 26 26 7 0 0 0 63 1980 0 0 0 0 0 8 31 30 4 0 0 0 73 1981 *** *** *** *** *** *** *** 17 5 0 *** 0 *** 1982 *** *** 0 0 0 1 21 15 0 0 0 *** *** 1983 0 0 0 0 0 6 26 22 0 0 0 *** *** 1984 0 0 0 0 0 5 29 20 0 0 0 *** *** 1985 *** 0 0 0 0 9 24 18 5 0 0 0 *** 1986 0 0 0 0 0 0 24 25 0 0 0 0 49 1987 0 0 0 0 0 11 24 16 1 0 0 0 52 1988 0 0 0 0 0 5 22 12 0 0 0 0 39 1989 0 0 0 0 0 13 31 26 7 0 0 0 77 1990 0 0 0 0 0 7 26 23 2 0 0 0 58 1991 0 0 0 0 0 9 26 24 3 0 0 0 62 1992 0 0 0 0 0 1 23 9 2 0 0 0 35 1993 0 0 0 0 0 3 19 24 1 0 0 0 47 1994 0 0 0 0 0 3 24 25 3 0 0 0 55 1995 0 0 0 0 0 4 24 26 7 0 0 0 61 1996 0 0 0 0 0 8 27 23 1 0 0 0 59 1997 0 0 0 0 0 7 27 30 0 0 0 0 64 1998 0 0 0 0 0 21 28 28 3 0 0 0 80 1999 0 0 0 0 0 5 24 27 1 0 0 0 57 2000 0 0 0 0 0 10 31 27 0 0 0 0 68 MEAN 0 0 0 0 0 8 25 22 2 0 0 0 57 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 20 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 0 0 *** 0 *** 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** *** *** *** *** *** 1966 0 0 0 0 0 0 0 0 0 0 0 0 0 1967 1 0 0 0 0 0 0 0 0 0 0 0 1 1968 2 6 0 0 *** 0 0 0 0 0 0 0 *** 1969 14 10 0 0 0 0 0 0 0 0 0 0 24 1970 0 0 0 0 0 0 0 0 0 0 0 0 0 1971 16 3 0 0 0 0 0 0 0 0 0 1 20 1972 16 19 0 0 0 0 0 0 0 0 0 3 38 1973 12 3 0 0 0 0 0 0 0 0 0 11 26 1974 13 7 0 0 0 0 0 0 0 0 0 0 20 1975 0 0 0 0 0 0 0 0 0 0 0 4 4 1976 0 0 0 0 0 0 0 0 0 0 0 0 0 1977 15 0 0 0 0 0 0 0 0 0 0 0 15 1978 0 0 0 0 0 0 0 0 0 0 0 0 0 1979 1 0 0 0 0 0 0 0 0 0 0 0 1 1980 4 0 0 0 0 0 0 0 0 0 0 0 4 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 *** *** 0 0 0 0 0 0 0 0 0 *** *** 1983 19 1 0 0 0 0 0 0 0 0 0 *** *** 1984 0 0 0 0 0 0 0 0 0 0 0 *** *** 1985 *** 7 12 0 0 0 0 0 0 0 0 3 *** 1986 9 0 0 0 0 0 0 0 0 0 0 0 9 1987 0 0 0 0 0 0 0 0 0 0 0 2 2 1988 11 0 0 0 0 0 0 0 0 0 0 4 15 1989 18 5 0 0 0 0 0 0 0 0 0 0 23 1990 21 5 0 0 0 0 0 0 0 0 0 3 29 1991 6 2 0 0 0 0 0 0 0 0 0 3 11 1992 16 2 0 0 0 0 0 0 0 0 0 0 18 1993 20 9 0 0 0 0 0 0 0 0 1 8 38 1994 0 5 0 0 0 0 0 0 0 0 0 10 15 1995 3 0 0 0 0 0 0 0 0 0 0 0 3 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 5 1 0 0 0 0 0 0 0 0 7 13 1998 4 0 0 0 0 0 0 0 0 0 0 0 4 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 1 1 0 0 0 0 0 0 0 0 0 0 2 MEAN 7 3 0 0 0 0 0 0 0 0 0 2 12 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 21 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 13 0 *** 0 *** 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** *** *** *** *** *** 1966 0 0 0 0 10 24 31 30 12 0 0 0 107 1967 0 0 0 0 0 1 20 23 11 0 0 0 55 1968 0 0 0 0 *** 18 30 30 25 1 0 0 *** 1969 0 0 0 0 8 25 31 31 17 1 0 0 113 1970 0 0 0 2 17 26 31 31 28 6 0 0 141 1971 0 0 0 0 15 30 31 31 25 0 0 0 132 1972 0 0 0 1 1 23 31 31 26 11 0 0 124 1973 0 0 0 0 10 20 28 28 17 1 0 0 104 1974 0 0 0 0 23 26 27 27 10 2 0 0 115 1975 0 0 0 8 10 27 31 31 13 0 0 0 120 1976 0 0 0 1 3 27 28 31 18 2 0 0 110 1977 0 0 0 1 16 25 30 29 24 4 0 0 129 1978 0 0 0 0 10 15 31 30 27 2 0 0 115 1979 0 0 0 1 11 17 31 29 19 0 0 0 108 1980 0 0 0 3 13 29 31 31 20 1 0 0 128 1981 0 0 0 1 4 23 31 30 27 0 0 0 116 1982 *** *** 0 3 9 22 29 28 28 0 0 *** *** 1983 0 0 0 2 7 25 31 24 19 2 0 *** *** 1984 0 0 0 1 2 24 31 28 28 7 0 *** *** 1985 *** 0 0 1 13 28 29 31 18 0 0 0 *** 1986 0 0 0 0 2 18 30 31 25 0 0 0 106 1987 0 0 0 1 16 29 30 26 11 2 0 0 115 1988 0 0 0 0 7 15 29 25 11 0 0 0 87 1989 0 0 0 2 9 28 31 30 14 2 0 0 116 1990 0 0 0 0 6 25 30 28 25 0 0 0 114 1991 0 0 0 0 5 19 30 27 13 0 0 0 94 1992 0 0 0 0 3 15 27 20 12 2 0 0 79 1993 0 0 0 0 0 19 26 30 18 0 0 0 93 1994 0 0 0 0 10 17 30 30 19 0 0 0 106 1995 0 0 0 0 12 24 29 31 17 1 0 0 114 1996 0 0 0 0 11 20 31 29 23 0 0 0 114 1997 0 0 0 3 9 27 28 31 9 3 0 0 110 1998 0 0 0 4 8 27 31 31 16 3 0 0 120 1999 0 0 0 0 8 26 29 31 14 6 0 0 114 2000 0 0 0 1 9 25 31 31 21 0 0 0 118 MEAN 0 0 0 1 9 23 30 29 19 2 0 0 113 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 22 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 0 0 *** 0 *** 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** *** *** *** *** *** 1966 0 0 0 0 0 2 4 1 0 0 0 0 7 1967 0 0 0 0 0 0 0 0 0 0 0 0 0 1968 0 0 0 0 *** 0 7 1 0 0 0 0 *** 1969 0 0 0 0 0 0 3 1 0 0 0 0 4 1970 0 0 0 0 0 0 1 1 0 0 0 0 2 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 2 3 0 0 0 0 0 5 1974 0 0 0 0 0 1 2 1 0 0 0 0 4 1975 0 0 0 0 0 1 6 1 1 0 0 0 9 1976 0 0 0 0 0 0 5 2 0 0 0 0 7 1977 0 0 0 0 0 0 1 5 0 0 0 0 6 1978 0 0 0 0 0 0 8 0 0 0 0 0 8 1979 0 0 0 0 0 1 3 6 5 0 0 0 15 1980 0 0 0 0 0 2 11 1 0 0 0 0 14 1981 0 0 0 0 0 0 2 0 0 0 0 0 2 1982 *** *** 0 0 0 0 3 0 0 0 0 *** *** 1983 0 0 0 0 0 1 12 3 0 0 0 *** *** 1984 0 0 0 0 0 1 5 2 0 0 0 *** *** 1985 *** 0 0 0 0 1 0 0 1 0 0 0 *** 1986 0 0 0 0 0 0 6 0 0 0 0 0 6 1987 0 0 0 0 0 0 1 1 0 0 0 0 2 1988 0 0 0 0 0 0 2 0 0 0 0 0 2 1989 0 0 0 0 0 0 2 2 0 0 0 0 4 1990 0 0 0 0 0 0 2 0 0 0 0 0 2 1991 0 0 0 0 0 0 3 2 0 0 0 0 5 1992 0 0 0 0 0 0 0 0 0 0 0 0 0 1993 0 0 0 0 0 0 1 0 0 0 0 0 1 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 0 2 0 0 0 0 2 1996 0 0 0 0 0 1 2 1 0 0 0 0 4 1997 0 0 0 0 0 0 0 2 0 0 0 0 2 1998 0 0 0 0 0 2 1 5 1 0 0 0 9 1999 0 0 0 0 0 1 1 8 0 0 0 0 10 2000 0 0 0 0 0 1 10 4 0 0 0 0 15 MEAN 0 0 0 0 0 0 3 1 0 0 0 0 4 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 23 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 0 0 *** 0 *** 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** *** *** *** *** *** 1966 0 0 0 0 0 0 0 0 0 0 0 0 0 1967 0 0 0 0 0 0 0 0 0 0 0 0 0 1968 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 *** *** 1983 0 0 0 0 0 0 0 0 0 0 0 *** *** 1984 0 0 0 0 0 0 0 0 0 0 0 *** *** 1985 *** 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 0 0 0 0 0 0 0 1989 0 0 0 0 0 0 0 0 0 0 0 0 0 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 0 0 0 0 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 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 JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1963 *** *** *** *** *** *** *** *** 0 0 *** 24 *** 12 1 12 30 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1965 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1966 17 5 *** 0 0 0 0 0 0 0 6 9 *** 11 24 2 14 1967 25 19 9 0 0 0 0 0 0 0 7 25 85 11 24 3 9 1968 31 27 8 2 *** 0 0 0 0 0 0 6 *** 12 10 4 4 1969 27 27 1 0 0 0 0 0 0 2 20 11 88 10 30 3 2 1970 10 0 2 0 0 0 0 0 0 0 0 6 18 12 15 3 11 1971 31 22 1 0 0 0 0 0 0 0 10 21 85 11 20 3 1 1972 31 29 17 1 0 0 0 0 0 0 9 26 113 11 10 4 6 1973 31 24 2 0 0 0 0 0 0 0 15 27 99 11 6 3 12 1974 31 25 6 0 0 0 0 0 0 0 4 25 91 11 25 3 9 1975 30 20 11 0 0 0 0 0 0 0 7 26 94 11 4 3 24 1976 23 28 14 0 0 0 0 0 0 0 9 8 82 11 16 3 27 1977 29 9 0 0 0 0 0 0 0 6 4 19 67 10 23 2 17 1978 22 9 1 0 0 0 0 0 0 0 12 7 51 11 6 3 4 1979 19 10 7 0 0 0 0 0 0 0 2 13 51 11 26 3 7 1980 29 19 9 0 0 0 0 0 0 0 1 14 72 11 24 3 17 1981 *** *** *** *** *** *** *** 0 0 0 *** 12 *** 12 1 12 30 1982 *** *** 19 0 0 0 0 0 0 0 8 *** *** 11 2 3 30 1983 31 20 12 0 0 0 0 0 0 0 0 *** *** 1 1 3 18 1984 21 24 1 0 0 0 0 0 0 0 2 *** *** 11 15 3 1 1985 *** 17 17 0 0 0 0 0 0 1 2 23 *** 10 31 3 17 1986 31 17 13 0 0 0 0 0 0 0 6 23 90 11 14 3 26 1987 20 12 11 1 0 0 0 0 0 0 11 13 68 11 11 4 21 1988 30 22 6 0 0 0 0 0 0 0 10 14 82 11 14 3 24 1989 31 27 3 0 0 0 0 0 0 0 6 22 89 11 19 3 30 1990 28 25 10 1 0 0 0 0 0 0 3 16 83 11 14 4 4 1991 30 22 8 0 0 0 0 0 0 0 3 22 85 11 23 3 16 1992 30 26 17 1 1 0 0 0 0 0 6 19 100 11 9 5 5 1993 31 28 19 2 0 0 0 0 0 0 15 28 123 11 12 4 24 1994 25 24 5 0 0 0 0 0 0 0 1 28 83 11 30 3 17 1995 26 15 7 0 0 0 0 0 0 0 11 26 85 11 12 3 27 1996 23 17 7 0 0 0 0 0 0 0 11 9 67 11 12 3 22 1997 22 23 18 1 0 0 0 0 0 0 9 22 95 11 7 4 12 1998 28 25 9 0 0 0 0 0 0 0 0 15 77 12 5 3 27 1999 23 16 1 0 0 0 0 0 0 0 5 25 70 11 13 3 2 2000 28 28 14 0 0 0 0 0 0 0 11 11 92 11 10 3 27 MEAN 26 20 9 0 0 0 0 0 0 0 7 18 80 10 23 5 5 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 25 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 MET. AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 22.1 15.7 ****** 3.9 ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1966 7.8 7.6 10.6 15.5 20.2 26.9 31.1 30.3 23.1 16.6 11.2 6.2 17.3 1967 4.3 3.9 8.6 13.5 16.1 17.7 23.4 25.1 20.9 15.3 8.6 3.1 13.4 1968 0.6 0.6 5.7 8.7 ****** 23.4 29.8 29.1 24.9 18.2 10.6 3.6 ****** 1969 -1.7 -3.5 8.6 13.3 20.6 26.5 28.4 29.6 23.2 15.6 7.1 5.7 14.5 1970 5.8 8.6 10.0 18.1 22.0 27.9 29.8 29.1 26.6 14.3 7.8 4.0 17.0 1971 -4.0 1.1 8.4 12.9 20.5 28.1 29.8 29.7 24.9 16.2 9.0 2.0 14.9 1972 -6.3 -8.0 3.9 16.7 18.4 25.7 30.1 27.7 24.3 19.4 7.7 0.1 13.3 1973 -4.3 0.3 8.7 14.7 20.7 24.9 28.3 28.9 22.8 17.6 5.3 -0.3 14.0 1974 -3.4 -1.4 8.2 13.5 24.0 27.5 28.0 26.2 20.7 17.8 9.4 3.0 14.5 1975 -0.1 3.4 7.0 18.3 21.3 27.8 31.8 29.0 22.2 15.0 7.7 -0.7 15.2 1976 3.0 0.1 6.6 15.7 20.4 26.0 29.0 30.7 24.0 15.4 7.1 5.1 15.3 1977 -3.7 4.2 11.7 17.2 21.6 26.4 28.1 28.9 24.0 12.5 8.9 2.5 15.2 1978 2.1 5.7 11.2 15.3 19.5 22.9 29.4 28.1 25.4 17.1 5.6 5.2 15.6 1979 3.4 6.9 10.3 17.2 21.2 23.8 29.2 29.9 25.3 16.4 10.0 4.6 16.5 1980 -0.2 2.6 9.3 15.9 22.0 27.8 31.3 28.6 23.2 15.7 10.6 5.6 16.0 1981 3.5 6.2 10.4 13.4 18.8 25.3 29.4 28.0 25.3 18.0 7.3 5.9 16.0 1982 ****** ****** 7.1 17.0 20.7 25.2 28.8 27.3 24.0 14.2 5.8 ****** ****** 1983 -6.8 0.4 7.5 16.4 21.1 25.6 31.3 27.9 22.3 15.7 10.9 ****** ****** 1984 2.5 1.6 9.5 16.8 19.0 26.3 31.7 28.3 25.1 16.0 9.3 ****** ****** 1985 ****** 1.0 0.8 16.1 22.4 27.6 27.4 28.8 24.4 15.1 10.8 0.8 ****** 1986 -2.0 4.4 6.3 16.2 18.6 23.7 29.7 29.3 25.8 16.3 7.9 2.4 14.9 1987 5.3 5.0 7.3 13.7 23.0 27.5 29.7 27.8 22.3 12.1 6.9 3.6 15.3 1988 -1.2 3.2 9.0 15.4 19.5 24.6 28.1 25.9 22.8 16.5 7.4 3.6 14.6 1989 -6.7 -1.6 10.6 18.9 21.9 27.4 31.1 29.8 23.5 16.6 9.7 3.6 15.4 1990 -5.1 0.9 8.7 14.1 19.8 27.0 29.6 27.5 25.3 16.0 10.7 3.1 14.8 1991 -0.9 2.1 8.7 16.8 19.7 25.9 30.1 28.7 24.0 18.4 7.9 1.7 15.2 1992 -3.5 0.4 6.3 13.8 17.8 22.7 27.6 26.2 22.1 16.3 7.5 2.1 13.3 1993 -5.0 -1.5 6.0 13.8 18.4 24.5 28.4 28.0 23.5 14.7 3.6 -0.2 12.9 1994 1.3 0.9 8.7 16.3 20.1 24.2 27.5 27.9 23.6 16.6 9.0 -2.2 14.5 1995 1.1 4.0 9.6 15.6 21.7 26.0 28.6 29.4 23.4 14.7 9.5 1.7 15.4 1996 1.2 4.5 8.0 13.6 22.4 25.2 29.9 29.2 24.3 16.6 8.0 7.5 15.9 1997 3.5 0.2 5.4 15.7 21.6 26.1 28.5 29.7 21.2 18.4 8.2 2.3 15.1 1998 -0.2 1.2 9.9 17.3 21.1 28.7 29.8 29.7 23.8 17.2 11.5 5.9 16.3 1999 3.3 7.4 10.2 14.9 19.7 26.2 29.3 30.9 23.2 16.7 8.2 3.3 16.1 2000 1.4 2.4 7.8 18.2 20.8 27.1 32.4 30.1 24.4 15.2 7.9 4.3 16.0 MEAN -0.2 2.2 8.2 15.4 20.5 25.7 29.3 28.6 23.7 16.1 8.4 3.1 15.1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 26 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 MET. AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 9.8 8.6 ****** -3.1 ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1966 0.8 1.3 1.5 5.7 7.9 11.5 12.9 15.4 13.4 9.7 3.6 2.2 7.2 1967 0.6 -0.4 0.4 9.4 9.5 10.7 11.0 14.2 11.2 9.2 1.0 -3.8 6.1 1968 -8.1 -7.5 -6.9 -2.5 ****** 9.9 11.5 11.8 10.0 9.9 5.9 0.5 ****** 1969 -4.4 -6.2 4.4 5.7 10.1 10.6 11.1 9.0 9.1 7.6 1.2 1.9 5.0 1970 2.7 4.2 4.3 6.4 7.1 10.0 12.7 14.1 13.5 11.7 3.9 0.4 7.6 1971 -6.5 -2.5 4.2 6.9 11.2 10.6 12.4 10.5 11.7 7.9 4.7 -1.5 5.8 1972 -8.6 -9.8 -1.3 7.5 10.1 12.6 12.5 9.4 12.7 9.7 3.3 -3.6 4.5 1973 -6.7 -2.9 0.6 4.6 8.3 11.5 13.6 13.9 10.9 7.3 -0.7 -4.0 4.7 1974 -6.7 -4.9 2.4 2.6 8.0 13.0 12.9 11.4 10.6 5.7 3.5 -1.0 4.8 1975 -4.4 -2.8 -2.3 6.0 10.5 11.4 11.7 10.4 9.2 5.4 -0.5 -5.3 4.1 1976 -3.6 -5.5 -2.5 4.6 9.3 10.7 12.5 11.1 11.0 6.7 1.0 -0.1 4.6 1977 -5.1 -0.2 2.3 5.5 8.2 13.3 12.6 12.7 9.8 2.0 1.6 -2.2 5.0 1978 -1.9 -1.6 0.7 4.4 8.3 10.4 11.5 11.3 10.7 8.3 -0.2 0.4 5.2 1979 -2.6 -1.0 0.6 4.8 9.0 12.1 14.1 11.9 11.6 9.0 4.7 0.3 6.2 1980 -3.2 -2.1 0.4 4.0 8.1 9.5 12.9 13.2 9.5 4.9 5.5 -1.2 5.1 1981 -2.9 -2.4 0.9 4.2 8.6 11.6 13.1 13.8 9.2 8.3 1.8 0.4 5.5 1982 ****** ****** -1.7 7.5 11.5 13.1 15.4 12.2 11.5 6.8 -0.7 ****** ****** 1983 -9.5 -1.9 -2.4 2.7 10.5 12.9 16.0 14.8 10.6 6.2 5.1 ****** ****** 1984 ****** ****** 4.2 3.8 5.2 8.5 10.3 12.4 12.9 6.4 5.4 ****** ****** 1985 ****** -4.3 -4.1 5.0 8.3 11.0 13.3 11.0 8.4 3.2 2.9 -3.1 ****** 1986 -5.4 -2.8 -2.1 6.4 9.5 12.6 14.4 13.8 9.1 7.3 3.5 -3.7 5.2 1987 -3.4 -0.9 -2.5 1.7 7.8 10.3 10.5 12.3 8.0 3.2 -0.6 -1.3 3.8 1988 -4.2 -3.0 -0.1 4.8 7.1 11.0 14.8 14.0 9.0 6.9 0.8 -1.5 5.0 1989 -10.7 -8.2 1.9 5.9 8.1 13.1 12.9 12.8 9.2 6.1 3.4 -2.4 4.3 1990 -8.6 -4.7 -2.0 4.9 6.3 8.3 11.6 11.9 7.3 6.7 1.6 -1.6 3.5 1991 -6.2 -6.9 -0.7 5.3 4.3 9.4 9.9 12.2 8.5 7.3 4.0 -2.1 3.7 1992 -8.0 -6.6 -3.1 1.5 5.3 11.5 11.9 9.9 7.7 2.8 1.2 -3.3 2.6 1993 -8.1 -5.8 -3.3 2.4 8.6 9.4 11.0 11.7 8.4 3.5 -0.3 -2.3 2.9 1994 -1.8 -4.8 0.1 6.9 9.3 10.1 11.2 12.2 6.4 6.5 3.8 -5.4 4.5 1995 -2.9 -2.4 -0.8 3.2 6.0 8.2 11.2 11.4 10.0 4.2 0.1 -5.5 3.6 1996 -4.6 -4.4 -1.0 2.0 7.5 6.5 12.0 10.4 8.8 5.1 0.6 1.2 3.7 1997 -5.1 -7.8 -3.9 -0.4 6.6 10.1 13.5 11.7 8.2 6.7 1.5 -2.3 3.2 1998 -4.4 -7.7 -2.5 3.7 9.4 10.9 11.0 12.7 10.3 4.5 2.0 -1.4 4.0 1999 -3.8 -4.5 -1.1 3.2 8.0 9.6 9.8 13.1 10.5 6.2 1.9 -2.2 4.2 2000 -4.1 -4.0 -3.2 5.7 8.0 8.9 11.1 11.1 11.1 5.8 1.3 -0.5 4.3 MEAN -4.7 -3.8 -0.5 4.5 8.3 10.7 12.3 12.2 10.0 6.6 2.2 -1.7 4.7 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 27 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 MET. AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 8.44 7.69 ****** 3.47 ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1966 4.49 4.63 4.68 6.40 7.45 9.43 10.38 12.13 10.53 8.28 5.51 4.96 7.41 1967 4.43 4.08 4.40 8.04 8.12 8.83 8.93 11.11 9.14 7.97 4.51 3.19 6.90 1968 2.30 2.38 2.51 3.47 ****** 8.44 9.42 9.77 9.39 8.49 6.34 4.31 ****** 1969 3.08 2.79 5.77 6.31 8.57 8.76 9.10 7.83 7.90 7.22 4.54 4.77 6.39 1970 5.05 5.62 5.70 6.63 6.92 8.41 10.10 10.98 10.64 9.46 5.55 4.28 7.45 1971 2.67 3.58 5.69 6.88 9.06 8.77 9.87 8.69 9.44 7.26 5.93 3.86 6.81 1972 2.37 2.23 3.89 7.24 8.43 10.00 10.01 8.25 9.99 8.24 5.36 3.26 6.61 1973 2.60 3.46 4.37 5.90 7.66 9.36 10.67 10.81 8.91 7.23 4.08 3.14 6.52 1974 2.58 2.96 5.11 5.11 7.34 10.28 10.26 9.29 8.73 6.28 5.39 3.94 6.44 1975 3.04 3.45 3.53 6.45 8.73 9.24 9.56 8.76 7.98 6.22 4.07 2.88 6.16 1976 3.21 2.87 3.50 5.83 8.15 8.81 9.87 9.14 8.97 6.76 4.51 4.14 6.31 1977 2.90 4.12 5.03 6.18 7.46 10.45 10.05 10.07 8.30 5.04 4.66 3.59 6.49 1978 3.65 3.72 4.41 5.79 7.58 8.66 9.26 9.15 8.74 7.47 4.10 4.28 6.40 1979 3.50 3.92 4.44 5.94 7.88 9.67 10.96 9.48 9.48 7.86 5.86 4.26 6.94 1980 3.30 3.61 4.39 5.73 7.41 8.20 10.13 10.31 8.15 5.98 6.21 3.82 6.44 1981 3.38 3.50 4.51 5.80 7.66 9.56 10.34 10.81 8.21 7.45 4.87 4.29 6.70 1982 ****** ****** 3.76 7.24 9.28 10.27 11.93 9.78 9.21 6.85 3.96 ****** ****** 1983 2.19 3.67 3.59 5.18 8.84 10.20 12.45 11.48 8.79 6.47 6.02 ****** ****** 1984 ****** ****** 5.64 5.51 6.24 7.60 8.65 9.97 10.57 6.60 6.19 ****** ****** 1985 ****** 3.36 3.55 6.02 7.58 9.07 10.50 9.15 7.69 5.34 5.17 3.37 ****** 1986 2.88 3.44 3.69 6.57 8.15 9.97 11.19 10.78 7.99 6.94 5.48 3.20 6.69 1987 3.26 3.95 3.54 4.85 7.38 8.51 8.69 9.75 7.46 5.31 4.06 3.95 5.89 1988 3.06 3.39 4.22 6.06 6.98 8.98 11.54 10.99 7.83 6.90 4.46 3.96 6.53 1989 1.93 2.29 4.83 6.34 7.48 10.32 10.17 10.17 8.02 6.50 5.44 3.53 6.42 1990 2.30 2.98 3.80 6.01 6.78 7.64 9.63 9.42 7.06 6.71 4.77 3.84 5.91 1991 2.65 2.66 4.10 6.15 5.88 8.11 8.46 9.69 7.61 7.06 5.58 3.64 5.97 1992 2.34 2.60 3.42 4.68 6.28 9.30 9.55 8.36 7.28 5.16 4.67 3.39 5.59 1993 2.37 2.74 3.35 5.07 7.70 8.18 9.00 9.44 7.68 5.39 4.22 3.50 5.72 1994 3.65 2.98 4.20 6.83 8.08 8.54 9.00 9.69 6.64 6.73 5.55 2.90 6.23 1995 3.45 3.54 4.00 5.33 6.55 7.74 9.02 9.21 8.39 5.71 4.28 2.81 5.84 1996 3.13 3.11 3.98 5.03 7.12 6.70 9.62 8.73 7.83 6.00 4.48 4.56 5.86 1997 2.99 2.44 3.19 4.33 6.82 8.63 10.56 9.49 7.41 6.73 4.69 3.60 5.91 1998 3.04 2.46 3.65 5.56 8.09 9.00 9.03 10.06 8.55 5.83 4.78 3.84 6.16 1999 3.16 3.03 3.96 5.35 7.46 8.16 8.25 10.38 8.74 6.45 4.86 3.54 6.11 2000 3.13 3.17 3.43 6.32 7.47 7.80 9.09 9.11 9.02 6.28 4.59 4.04 6.12 MEAN 3.07 3.29 4.17 5.89 7.61 8.90 9.86 9.78 8.52 6.77 4.99 3.76 6.38 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 28 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 MET. AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 12.51 11.39 ****** 5.15 ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1966 6.67 6.87 6.96 9.50 11.05 13.96 15.36 17.89 15.55 12.25 8.18 7.36 10.97 1967 6.57 6.06 6.53 11.90 12.02 13.07 13.24 16.41 13.52 11.80 6.70 4.74 10.21 1968 3.42 3.54 3.73 5.17 ****** 12.50 13.96 14.46 13.85 12.56 9.39 6.40 ****** 1969 4.57 4.14 8.56 9.35 12.69 12.98 13.48 11.64 11.71 10.70 6.74 7.08 9.47 1970 7.49 8.34 8.46 9.84 10.28 12.48 14.96 16.23 15.73 13.97 8.23 6.35 11.03 1971 3.97 5.32 8.43 10.19 13.41 13.01 14.62 12.89 13.97 10.76 8.79 5.72 10.09 1972 3.52 3.31 5.77 10.73 12.47 14.80 14.82 12.24 14.78 12.20 7.96 4.84 9.79 1973 3.85 5.14 6.50 8.76 11.35 13.85 15.78 15.98 13.20 10.71 6.06 4.66 9.65 1974 3.83 4.40 7.58 7.59 10.90 15.21 15.18 13.77 12.92 9.32 7.99 5.85 9.54 1975 4.52 5.13 5.25 9.58 12.92 13.70 14.16 12.99 11.83 9.23 6.05 4.28 9.14 1976 4.78 4.26 5.20 8.66 12.07 13.05 14.62 13.55 13.29 10.02 6.70 6.14 9.36 1977 4.30 6.11 7.48 9.17 11.07 15.45 14.87 14.90 12.30 7.49 6.92 5.33 9.62 1978 5.42 5.53 6.55 8.60 11.24 12.83 13.73 13.56 12.95 11.08 6.09 6.35 9.49 1979 5.21 5.82 6.59 8.83 11.68 14.31 16.20 14.05 14.02 11.64 8.69 6.32 10.28 1980 4.90 5.36 6.52 8.51 10.99 12.16 15.01 15.26 12.09 8.88 9.21 5.68 9.55 1981 5.02 5.20 6.70 8.60 11.35 14.14 15.29 15.98 12.17 11.04 7.22 6.37 9.92 1982 ****** ****** 5.58 10.73 13.73 15.19 17.62 14.47 13.63 10.16 5.88 ****** ****** 1983 3.26 5.45 5.34 7.69 13.09 15.08 18.37 16.96 13.01 9.60 8.92 ****** ****** 1984 ****** ****** 8.36 8.19 9.26 11.29 12.84 14.76 15.59 9.79 9.17 ****** ****** 1985 ****** 4.99 5.27 8.94 11.25 13.44 15.52 13.56 11.41 7.93 7.68 5.01 ****** 1986 4.27 5.12 5.48 9.75 12.07 14.74 16.55 15.94 11.86 10.30 8.12 4.76 9.91 1987 4.85 5.86 5.26 7.20 10.94 12.62 12.89 14.44 11.07 7.89 6.03 5.87 8.75 1988 4.54 5.04 6.28 8.99 10.36 13.30 17.04 16.23 11.62 10.23 6.62 5.88 9.68 1989 2.86 3.40 7.18 9.42 11.10 15.27 15.07 15.06 11.89 9.64 8.07 5.25 9.52 1990 3.42 4.43 5.65 8.92 10.05 11.34 14.25 13.96 10.49 9.95 7.09 5.70 8.77 1991 3.94 3.96 6.09 9.13 8.74 12.03 12.55 14.36 11.30 10.47 8.27 5.41 8.85 1992 3.48 3.86 5.09 6.96 9.33 13.76 14.14 12.40 10.80 7.67 6.92 5.04 8.29 1993 3.52 4.07 4.98 7.54 11.41 12.13 13.35 13.99 11.39 8.00 6.26 5.19 8.49 1994 5.42 4.43 6.24 10.13 11.96 12.65 13.35 14.35 9.87 9.98 8.23 4.31 9.24 1995 5.12 5.25 5.95 7.92 9.72 11.48 13.38 13.66 12.44 8.48 6.37 4.18 8.66 1996 4.65 4.63 5.91 7.48 10.57 9.96 14.26 12.95 11.61 8.91 6.65 6.77 8.70 1997 4.45 3.63 4.74 6.45 10.12 12.79 15.62 14.06 11.00 9.99 6.97 5.35 8.76 1998 4.51 3.65 5.42 8.27 11.99 13.35 13.38 14.89 12.68 8.65 7.10 5.71 9.13 1999 4.70 4.51 5.89 7.95 11.06 12.11 12.25 15.36 12.95 9.58 7.22 5.27 9.07 2000 4.66 4.71 5.09 9.38 11.08 11.58 13.49 13.51 13.36 9.32 6.82 6.00 9.08 MEAN 4.55 4.89 6.19 8.74 11.27 13.19 14.61 14.48 12.62 10.04 7.41 5.59 9.47 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 29 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 MET. AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1962 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** 15.78 6.92 ****** 3.35 ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1966 4.46 4.11 6.63 9.25 14.37 23.04 31.24 26.82 14.12 7.40 6.06 2.40 12.49 1967 2.00 2.23 5.27 3.76 6.59 7.47 16.85 17.46 12.44 6.00 5.07 3.10 7.35 1968 3.10 3.10 5.59 6.24 ****** 17.75 29.98 27.63 19.73 9.75 3.85 1.65 ****** 1969 0.99 0.89 3.05 6.97 13.03 23.70 27.18 31.70 19.09 8.17 3.78 2.26 11.74 1970 1.92 3.13 4.55 12.15 17.89 26.86 28.47 25.38 20.67 2.98 2.57 1.91 12.37 1971 0.76 1.79 2.97 5.31 11.25 26.25 28.31 30.34 19.24 8.55 3.05 1.86 11.64 1972 0.68 0.48 2.71 9.63 9.31 19.09 28.61 26.20 17.21 11.83 3.16 1.64 10.88 1973 0.83 1.64 5.19 8.64 14.46 18.92 23.76 24.86 16.04 10.57 3.61 1.73 10.85 1974 1.10 1.48 3.76 8.68 20.79 23.16 24.36 21.70 12.46 12.41 4.67 1.96 11.38 1975 1.76 3.00 5.37 13.03 13.59 25.04 33.98 28.40 16.77 8.70 5.01 1.81 13.04 1976 3.23 2.16 5.21 10.09 12.72 21.64 26.88 32.02 18.03 8.62 3.90 2.85 12.28 1977 0.49 2.41 6.96 11.52 15.95 20.38 24.06 26.73 19.14 8.46 5.20 2.59 11.99 1978 2.00 4.14 7.62 9.73 12.80 16.45 29.06 25.40 21.69 9.46 3.40 2.73 12.04 1979 3.13 4.88 7.17 11.98 14.64 16.43 25.39 30.08 20.35 7.80 4.18 2.42 12.37 1980 1.66 2.38 6.24 10.78 17.18 26.90 32.33 24.90 18.77 10.37 4.21 3.98 13.31 1981 3.23 4.83 7.00 7.93 11.29 19.34 27.12 23.10 22.29 10.67 3.73 3.36 11.99 1982 ****** ****** 5.54 9.96 11.53 18.70 23.81 23.01 18.16 7.01 3.83 ****** ****** 1983 0.54 0.74 6.55 12.28 12.86 19.43 29.23 22.22 15.28 9.19 4.76 ****** ****** 1984 ****** ****** 3.90 12.09 13.84 24.55 35.41 25.52 17.70 10.30 2.92 ****** ****** 1985 ****** 2.27 2.53 10.38 17.37 25.14 21.86 27.71 20.90 10.24 5.81 1.54 ****** 1986 1.22 3.74 4.72 9.32 10.37 16.19 26.69 26.33 23.56 9.02 2.97 2.81 11.41 1987 4.54 3.25 5.47 9.75 18.66 25.76 30.20 24.68 17.07 7.12 4.38 2.37 12.77 1988 1.15 3.13 5.85 9.53 13.72 19.13 22.24 18.25 17.39 9.44 4.31 2.73 10.57 1989 1.04 2.44 6.42 13.83 16.62 22.64 31.22 28.35 19.40 10.55 4.67 2.95 13.34 1990 1.03 2.53 6.59 8.33 14.44 25.92 28.42 23.61 23.44 9.21 6.64 2.33 12.71 1991 2.01 3.80 5.99 11.13 15.37 22.88 31.61 26.07 19.75 11.46 2.66 1.73 12.87 1992 1.41 2.69 5.19 9.90 12.45 15.13 24.27 22.93 17.39 12.13 4.04 2.26 10.81 1993 0.97 1.53 5.30 9.29 10.74 20.57 26.65 24.85 19.54 9.68 2.02 0.87 11.00 1994 1.40 2.34 5.82 9.89 13.09 19.28 24.18 24.11 20.46 9.94 3.70 1.11 11.28 1995 1.69 3.18 6.84 10.72 17.92 23.85 26.99 28.86 18.55 9.12 6.54 3.06 13.11 1996 2.27 4.39 5.35 8.92 17.74 23.47 29.32 29.28 20.53 11.05 4.59 3.86 13.40 1997 3.86 3.11 4.82 12.99 17.24 22.40 24.67 29.12 15.92 12.33 4.35 2.37 12.77 1998 1.63 3.34 7.62 13.13 14.33 27.79 29.82 28.50 18.48 12.25 7.18 4.13 14.02 1999 3.31 6.51 7.20 10.02 13.58 23.20 29.67 31.10 16.87 11.22 4.13 2.77 13.30 2000 2.34 2.88 6.35 12.79 14.92 25.96 36.69 30.83 18.64 8.77 4.30 2.48 13.91 MEAN 1.93 2.86 5.52 10.00 14.20 21.55 27.73 26.23 18.41 9.41 4.26 2.45 12.05 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 30 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 MET. AVERAGE OF RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 *** *** *** *** *** *** *** *** *** *** *** *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 48 64 *** 62 *** 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** *** *** *** *** *** 1966 64 67 58 58 51 42 35 43 58 66 63 77 57 1967 78 75 59 77 66 65 47 53 55 68 60 61 64 1968 53 57 42 47 *** 47 36 38 46 62 75 81 *** 1969 82 82 76 63 55 42 38 31 46 64 69 77 60 1970 81 74 70 51 44 36 37 42 48 86 78 78 60 1971 84 78 76 68 58 37 36 34 47 63 76 79 61 1972 84 87 73 59 61 47 36 36 52 58 76 78 62 1973 84 80 60 56 50 46 42 41 50 54 68 78 59 1974 79 79 69 51 40 44 43 43 56 49 70 77 58 1975 75 67 56 50 53 39 31 34 48 57 59 74 54 1976 65 70 56 52 53 41 39 33 47 60 67 71 55 1977 91 76 57 51 46 48 40 40 45 53 63 74 57 1978 76 62 53 53 53 49 36 37 44 60 69 74 56 1979 68 61 55 48 49 52 41 36 47 65 72 76 56 1980 79 74 58 51 45 36 34 41 46 53 72 64 54 1981 66 57 56 58 55 46 40 44 41 56 71 70 55 1982 *** *** 57 58 58 52 47 42 49 64 65 *** *** 1983 86 89 53 45 55 49 42 47 50 57 70 *** *** 1984 *** *** 73 47 44 35 30 41 51 58 78 *** *** 1985 *** 71 70 54 46 39 43 36 40 49 61 78 *** 1986 78 64 59 56 60 54 42 40 39 59 75 66 58 1987 57 69 54 50 43 36 32 40 43 58 61 72 51 1988 81 66 58 53 50 47 46 50 45 57 66 72 58 1989 74 63 59 47 45 44 35 38 45 55 67 67 53 1990 77 69 52 59 48 35 35 39 36 58 57 74 53 1991 69 54 56 53 42 39 32 38 40 53 78 78 53 1992 73 62 55 49 49 54 40 39 44 46 68 69 54 1993 80 74 58 52 58 45 36 39 43 51 77 86 58 1994 81 67 59 59 56 45 38 40 37 57 72 79 58 1995 76 68 55 49 42 38 36 36 49 53 56 61 52 1996 67 55 56 52 43 33 36 35 42 50 63 67 50 1997 56 57 56 38 43 41 43 36 48 50 65 73 51 1998 75 55 47 47 52 37 34 38 46 47 55 63 50 1999 62 46 51 51 53 38 31 37 48 56 67 69 51 2000 69 66 51 49 48 35 29 34 47 57 65 72 52 MEAN 74 68 59 53 50 43 38 39 46 58 68 73 56 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 31 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 MET. AVERAGE OF MAXIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 *** *** *** *** *** *** *** *** *** *** *** *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 61 77 *** 74 *** 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** *** *** *** *** *** 1966 83 88 82 80 73 57 48 58 76 86 84 87 75 1967 85 82 70 80 73 70 63 66 69 76 71 72 73 1968 61 69 53 60 *** 69 51 57 63 81 92 91 *** 1969 90 89 85 81 76 66 55 50 71 87 88 87 77 1970 89 82 80 74 67 54 48 59 71 92 89 88 74 1971 90 87 84 80 76 54 50 56 69 89 90 89 76 1972 89 92 89 79 80 68 46 55 75 80 90 89 78 1973 89 92 80 79 73 63 56 53 68 69 82 90 75 1974 89 88 81 69 59 63 59 60 81 70 86 90 75 1975 88 86 82 72 74 55 42 49 67 79 79 86 72 1976 84 85 79 74 75 59 54 49 67 78 85 84 73 1977 95 90 79 77 68 66 52 56 66 73 83 87 74 1978 87 80 77 76 77 65 53 49 69 78 86 90 74 1979 83 83 77 72 69 72 55 54 74 86 88 90 75 1980 93 90 80 75 68 54 48 57 68 75 89 85 74 1981 88 81 78 80 77 66 58 61 63 77 87 86 75 1982 *** *** 85 82 79 76 66 58 71 83 82 *** *** 1983 91 94 76 66 79 70 61 63 69 77 84 *** *** 1984 *** *** 86 73 63 52 45 58 70 76 90 *** *** 1985 *** 87 87 81 73 58 55 49 59 70 78 88 *** 1986 87 81 81 75 87 77 54 52 55 82 92 82 75 1987 74 87 75 75 64 50 41 53 58 71 81 84 68 1988 87 82 80 77 78 70 59 67 62 77 86 87 76 1989 83 79 82 74 67 59 47 55 68 76 85 84 72 1990 86 83 72 86 73 55 48 53 56 81 77 88 72 1991 84 72 76 81 65 59 47 51 60 74 95 87 71 1992 85 79 76 76 73 77 56 58 66 70 82 83 73 1993 87 84 80 76 83 68 51 55 64 71 88 89 75 1994 90 82 81 84 83 65 52 55 56 77 88 86 75 1995 88 84 80 78 68 61 50 51 71 74 78 79 72 1996 79 71 73 76 68 48 50 50 65 72 83 82 68 1997 72 76 79 60 67 62 60 52 69 73 87 84 70 1998 88 75 68 72 76 55 48 55 67 67 71 79 68 1999 78 67 76 75 79 55 43 55 70 78 86 87 71 2000 82 86 74 75 68 51 42 49 69 76 86 82 70 MEAN 85 83 78 76 73 62 52 55 67 77 85 85 73 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 32 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 MET. AVERAGE OF MINIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 *** *** *** *** *** *** *** *** *** *** *** *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 36 53 *** 49 *** 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** *** *** *** *** *** 1966 49 52 38 40 35 30 25 31 44 52 48 67 43 1967 70 65 47 72 58 59 37 45 45 62 52 52 55 1968 46 48 32 37 *** 33 24 27 32 47 60 71 *** 1969 75 74 68 50 40 25 26 19 28 49 53 69 48 1970 74 68 62 35 28 25 28 31 34 80 65 68 50 1971 77 70 68 58 42 25 27 21 32 46 63 69 50 1972 78 82 59 38 47 33 28 23 36 40 60 66 49 1973 77 69 44 40 33 33 33 34 37 39 54 66 47 1974 68 69 57 37 27 31 32 31 39 32 57 64 45 1975 62 52 38 34 39 29 23 24 32 39 43 61 40 1976 50 54 41 36 37 28 29 21 32 46 54 61 41 1977 86 65 41 34 31 33 32 29 30 36 47 62 44 1978 63 50 36 34 36 38 25 28 28 43 53 61 41 1979 56 46 38 32 35 36 33 26 30 46 59 61 42 1980 66 58 40 33 30 24 26 31 32 36 56 49 40 1981 48 41 39 43 39 34 29 33 27 40 55 54 40 1982 *** *** 39 42 44 36 34 31 34 48 51 *** *** 1983 81 82 36 31 38 35 31 37 38 40 57 *** *** 1984 *** *** 62 30 30 25 21 30 38 43 66 *** *** 1985 *** 58 58 35 29 27 35 26 26 35 49 69 *** 1986 69 51 44 43 41 39 33 32 26 43 63 55 45 1987 45 56 38 32 28 28 25 31 32 49 49 62 40 1988 76 56 41 37 31 32 37 39 32 43 51 61 45 1989 67 52 43 30 30 33 26 27 29 41 54 56 41 1990 69 59 38 41 32 22 27 31 23 43 45 63 41 1991 57 41 42 31 27 27 22 30 27 39 67 69 40 1992 64 50 39 31 32 36 30 27 29 30 57 58 40 1993 73 65 42 35 40 28 27 29 28 37 66 83 46 1994 73 57 45 41 38 32 29 31 24 43 60 72 45 1995 67 57 37 31 26 24 28 25 35 39 41 49 38 1996 58 42 43 35 27 22 27 24 26 36 50 57 37 1997 45 46 41 24 27 27 32 26 33 36 51 65 38 1998 66 42 32 30 35 26 24 27 31 33 44 52 37 1999 51 31 34 34 34 27 23 26 34 42 52 57 37 2000 59 52 36 32 34 24 21 24 33 45 52 65 40 MEAN 65 56 44 37 35 30 28 29 32 43 54 62 43 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 33 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1962 *** *** *** *** *** *** *** *** *** *** *** *** *** 1963 *** *** *** *** *** *** *** *** 2 0 *** 1 *** 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** *** *** *** *** *** 1966 2 2 2 3 2 0 0 1 2 3 0 0 17 1967 3 3 3 3 4 1 0 0 1 5 2 3 28 1968 2 3 0 4 1 6 0 1 0 0 1 4 22 1969 1 1 4 2 2 2 0 0 2 4 3 2 23 1970 4 0 0 2 3 0 0 2 0 0 3 0 14 1971 0 2 1 1 4 1 0 0 0 2 1 2 14 1972 1 0 2 0 7 3 0 1 1 1 3 1 20 1973 0 2 3 5 4 3 1 0 0 0 1 1 20 1974 0 0 4 1 2 1 1 0 0 0 1 1 11 1975 2 1 1 2 4 1 0 0 1 2 0 1 15 1976 0 1 0 4 6 1 2 0 1 3 0 3 21 1977 0 0 1 5 3 1 1 2 0 1 1 1 16 1978 0 3 2 2 5 4 0 0 0 0 1 2 19 1979 0 0 2 3 3 1 0 1 0 2 2 1 15 1980 0 0 3 3 0 0 0 0 1 1 3 0 11 1981 0 2 1 4 2 2 0 0 0 1 2 1 15 1982 *** *** 3 5 5 4 2 0 0 3 1 *** *** 1983 1 0 1 1 4 3 1 3 0 2 3 *** *** 1984 1 1 3 1 0 0 1 0 0 2 4 *** *** 1985 *** 2 4 4 2 0 0 0 0 1 0 2 *** 1986 2 1 0 1 3 5 0 0 0 1 3 0 16 1987 0 1 1 2 2 1 0 0 2 3 1 5 18 1988 0 0 1 2 3 3 1 1 0 1 1 1 14 1989 0 0 1 1 1 0 0 0 1 1 1 0 6 1990 1 0 1 3 3 0 0 0 0 3 0 1 12 1991 0 0 1 2 3 1 0 0 0 1 3 2 13 1992 0 1 0 2 1 4 1 0 0 0 1 0 10 1993 1 0 2 3 5 2 0 0 0 2 3 0 18 1994 2 0 1 4 3 2 0 0 0 3 1 2 18 1995 0 1 1 0 1 2 0 0 6 0 1 0 12 1996 0 0 2 1 1 0 0 0 1 0 1 0 6 1997 1 1 1 1 0 3 2 0 0 0 0 1 10 1998 0 1 2 0 3 1 0 0 0 1 0 0 8 1999 0 1 2 3 5 1 0 0 0 3 1 0 16 2000 0 1 1 2 3 0 0 0 1 1 0 1 10 MEAN 1 1 2 2 3 2 0 0 1 1 1 1 15 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 34 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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 14.2 12.0 15.6 19.4 24.4 28.8 32.0 30.0 27.0 22.6 18.4 18.2 1 YEAR - DAY 1979- 4 1999-20 1998-29 2000-29 1997-31 1974-21 1966-27 1976- 1 1998- 1 1968-13 1989-28 1998-11 LOW. DRY 03 -28.0 -24.2 -18.4 -2.4 1.0 8.6 14.4 11.8 7.2 -3.6 -5.8 -14.8 2 YEAR - DAY 1972-26 1972- 3 1985- 3 1981- 2 1992- 5 1968- 7 1992-11 1967- 1 1980-19 1977-23 1987-30 1994- 7 HIG. WET 03 8.0 7.0 10.6 15.4 17.8 21.0 24.3 23.0 19.6 17.4 11.8 9.8 3 YEAR - DAY 1979- 4 1987-25 1998-29 1969-29 1985-30 1966- 4 1966-27 1966- 1 1998- 2 1968-13 1986- 1 1998-11 LOW. WET 03 -28.0 -24.2 -18.5 -4.0 0.6 7.8 11.4 9.8 6.0 -4.0 -6.3 -15.0 4 YEAR - DAY 1972-26 1972- 3 1985- 3 1997-12 1992- 5 1968- 7 1967-16 1967- 1 1992-30 1977-24 1987-30 1994- 7 HIG. DRY 09 20.6 22.2 25.6 32.2 36.6 39.8 41.4 41.2 38.0 33.4 25.2 19.5 5 YEAR - DAY 1979- 4 1979-14 1970-31 1979- 4 1974-22 1966- 6 1968-20 1979-16 1975- 6 1972- 1 1974- 1 1980- 6 LOW. DRY 09 -12.2 -12.4 -10.2 3.2 6.8 12.0 19.8 19.2 14.0 4.4 -2.6 -7.8 6 YEAR - DAY 1972-26 1972- 8 1985- 3 1993-22 1999-20 1968- 7 1974- 5 1967- 1 1963-28 1984-19 1993-30 1994- 7 HIG. WET 09 12.0 12.6 15.4 19.6 21.8 29.8 31.8 33.5 32.4 20.6 15.4 12.4 7 YEAR - DAY 1979- 4 1979-14 1969-31 1982-14 1969-13 1981- 1 1975- 5 1966-19 1968-22 1968-13 1980-13 1998-10 LOW. WET 09 -12.7 -12.4 -11.2 1.2 6.0 9.2 13.6 14.6 10.2 1.6 -3.5 -8.8 8 YEAR - DAY 1972-25 1972- 8 1985- 3 1981- 1 1999-20 1968- 7 1992-11 1988-30 1963-23 1987-27 1993-30 1994- 7 HIG. DRY 15 16.4 17.0 23.8 33.2 34.4 41.0 41.8 42.0 38.4 30.0 20.8 22.0 9 YEAR - DAY 1979- 4 1979-14 1970-31 1997-25 1989-24 1998-23 1986- 9 1998-30 1985- 1 1987- 2 1990- 7 1998-10 LOW. DRY 15 -19.4 -16.2 -11.4 2.4 7.2 12.0 16.0 17.0 10.0 4.0 -2.6 -11.0 10 YEAR - DAY 1972-25 1972- 8 1985- 2 1981- 1 1992- 3 1986-21 1974- 6 1966-30 1963-28 1984-19 1993-30 1988-29 HIG. WET 15 10.3 10.5 15.0 19.2 20.4 28.6 26.0 26.0 26.6 19.8 13.5 11.2 11 YEAR - DAY 1966- 8 1966-26 1977- 3 1972-20 1969-12 1981- 1 1985- 6 1966-29 1968-18 1989- 6 1966- 1 1998-10 LOW. WET 15 -19.4 -16.2 -12.5 -0.8 5.0 9.6 11.6 13.6 8.0 1.0 -3.6 -11.7 12 YEAR - DAY 1972-25 1972- 8 1985- 2 1981- 1 1992- 3 1968- 7 1990- 3 1992-11 1963-28 1987-27 1993-30 1988-29 HIG. MIN. 13.5 9.6 15.2 18.6 20.6 26.5 30.0 29.2 26.4 22.5 16.5 11.4 13 YEAR - DAY 1979- 4 1999-18 1998-29 1985-21 1997-31 1991-30 1976-30 1991- 1 1995- 1 1968-13 1979- 3 1998-11 LOW. MIN. -28.5 -24.5 -19.6 -2.0 0.0 8.0 13.5 10.5 7.0 -4.0 -6.0 -15.0 14 YEAR - DAY 1972-26 1972- 3 1985- 3 1993-23 1992- 5 1986-22 1967-10 1967- 1 1980-19 1977-23 1987-30 1985-31 HIG. MAX. 22.0 23.5 29.5 34.8 37.5 42.8 44.0 44.0 41.5 35.2 27.0 26.0 15 YEAR - DAY 1979- 4 1979-14 1970-31 1997-25 1974-22 1998-23 1978-17 1977-25 1979- 2 1970- 1 1974- 1 1998-10 LOW. MAX. -10.2 -8.5 -5.8 7.0 12.8 14.5 22.0 21.0 15.0 5.0 -1.8 -6.4 16 YEAR - DAY 1972-21 1972- 9 1985- 3 1981- 1 1992- 1 1968- 7 1974- 7 1967- 1 1963-28 1987-27 1993-30 1994- 7 HIG. PPTN 27.0 16.5 24.3 30.0 52.0 31.1 29.0 13.7 20.7 37.0 26.0 23.5 17 YEAR - DAY 1968-22 1973-23 1985-24 1994- 1 1975- 5 1988-19 1974- 7 1970-18 1966-13 1966- 1 1992- 7 1985-29 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 35 STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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 19.0 17.6 19.0 19.8 19.6 19.0 17.6 19.8 21.2 21.6 20.0 16.3 18 YEAR - DAY 1966- 6 1999- 3 1979-18 1983-16 1987- 2 1990- 3 1982-10 1966-29 1968-22 1980- 8 1972-24 1980- 6 DRY 15 - DRY 09 11.0 15.0 10.6 11.6 13.2 13.2 10.4 13.0 9.6 11.6 10.8 9.2 19 YEAR - DAY 1979- 5 1999- 3 1987-19 1991-20 1973-29 1980-16 1992-10 1966-30 1995-18 1980-11 1972-24 1975-11 DRY 15 - DRY 03 14.6 17.0 18.6 19.0 20.0 20.4 18.4 21.0 20.0 18.8 13.6 16.8 20 YEAR - DAY 1980-28 2000-23 1998-27 1997-25 1987- 1 1996-29 1986-31 1995-12 1986-22 1984-14 1990- 7 1998-10 WET 09 - WET 03 15.3 14.2 12.2 10.6 11.2 12.4 12.2 15.0 20.8 12.0 12.4 11.5 21 YEAR - DAY 1972-26 1973-17 1983-26 1975- 2 1984-23 1981- 1 1990- 5 1966-19 1968-22 1968-14 1975-24 1963- 6 WET 15 - WET 09 9.4 13.4 8.2 6.4 11.8 6.0 13.8 10.9 7.6 8.6 6.2 7.4 22 YEAR - DAY 1972-23 1973-17 1972- 4 1966-28 1984-31 1966-18 1975- 5 1966-19 1963-14 1963- 6 1981- 4 1975-11 WET 15 - WET 03 13.6 11.8 12.0 11.0 9.6 11.2 8.4 10.2 14.0 9.8 10.2 11.2 23 YEAR - DAY 1971-27 1972-14 2000-18 1987-22 1989- 2 1981- 1 1985- 6 1984-28 1968-21 1998-14 1966-27 1966- 5 DAY BY DAY DRY 03 15.6 14.4 13.0 12.8 11.2 9.9 7.2 7.6 8.2 12.8 16.2 16.4 24 YEAR - DAY 1972-27 1999-21 1997-20 1987-17 1966-16 1966- 4 1992-11 1988-30 1969-11 1968-14 1995-12 1998-12 DAY BY DAY WET 03 15.6 11.8 10.7 8.5 9.8 7.4 6.2 5.8 7.2 9.6 10.6 12.0 25 YEAR - DAY 1972-27 1972-15 1988- 4 1993-23 1973- 1 1997- 3 1966-10 1992-21 1993-22 1993-29 1997- 6 1963- 4 DAY BY DAY DRY 09 11.6 12.6 12.8 16.8 14.4 14.6 9.6 13.0 15.0 12.8 19.0 15.8 26 YEAR - DAY 1980-29 1988- 2 1982-11 1993-20 1999-20 1995-22 1974- 5 1977-28 1963-29 1984-18 1992- 7 1989- 1 DAY BY DAY WET 09 8.8 11.6 9.0 7.8 7.8 12.8 10.2 10.6 10.6 8.6 11.2 10.0 27 YEAR - DAY 1980-29 1973-18 1997-20 1969- 2 2000- 9 1981- 1 1990- 6 1966-19 1963-14 1984-18 1993-11 1963-14 DAY BY DAY DRY 15 13.6 13.6 13.6 15.6 16.8 17.4 13.4 19.0 15.2 16.0 14.8 14.4 28 YEAR - DAY 1980-29 1999-20 1982-11 1979- 5 1999- 7 1990-14 1992-10 1966-30 1980-18 1987- 3 1992- 7 1989- 1 DAY BY DAY WET 15 9.6 10.0 8.2 8.2 8.7 12.2 7.0 10.4 8.0 7.8 9.6 9.6 29 YEAR - DAY 1979- 5 1998- 8 1994- 7 1972- 5 1966-20 1981- 1 1990- 4 1968-24 1963-29 1976-18 1993-11 1988-28 DAY BY DAY MIN. 16.0 13.9 9.8 10.4 11.5 9.5 8.3 9.0 8.0 13.5 10.6 13.0 30 YEAR - DAY 1972-27 1972-15 1988- 4 1987-20 1966-16 1968- 6 1966-29 1972-17 1980-19 1968-14 1993-11 1989- 1 DAY BY DAY MAX. 12.2 12.0 15.5 14.5 11.8 10.5 9.5 13.0 14.0 12.1 10.8 14.3 31 YEAR - DAY 2000-27 1973-18 1982-11 1979- 5 1988- 2 1982-27 1976- 4 1967- 1 1963-29 1987- 3 1992- 8 1989- 1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 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 JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 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 JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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.***** ***** ***** ***** ***** ***** ***** ***** 20.0 17.3 ***** 3.1 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** 12.0 11.9 ***** -2.4 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** 28.0 22.8 ***** 8.7 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** 16.0 10.9 ***** 11.1 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** 7.67 7.23 ***** 2.80 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** 9.02 8.29 ***** 3.88 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** 8.64 7.55 ***** 3.68 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** 8.0 7.5 ***** -8.0 ****** DAY ** ** ** ** ** ** ** ** 12 31 ** 22 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** 35.0 27.5 ***** 16.0 ****** DAY ** ** ** ** ** ** ** ** 11 3 ** 15 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** 12.0 1.5 ***** 20.1 ****** DAY ** ** ** ** ** ** ** ** 28 24 ** 17 MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** 20.0 3.5 ***** 22.1 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** 43.9 56.1 NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** 3 6 *** 2 *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** 3 1 *** 2 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** 1 0 *** 1 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** 59 75 *** 68 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** 43 55 *** 58 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** 43 64 *** 60 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 *** 12 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 1 0 *** 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 *** 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 13 0 *** 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 *** 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 *** 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** 0 0 *** 24 *** DATE OF START AND END FREEZING START = 1 DEC. END = 30 DEC. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 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 JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 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 JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. 6.5 7.3 ***** 14.9 19.0 25.9 29.6 29.2 22.1 15.9 10.1 5.6 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -0.3 2.0 ***** 9.0 12.2 18.9 22.4 22.4 16.1 9.2 2.9 1.2 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 13.3 12.6 16.5 20.8 25.9 32.9 36.9 36.0 28.2 22.5 17.2 9.9 22.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.6 10.6 ***** 11.8 13.7 14.0 14.5 13.6 12.1 13.3 14.3 8.7 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.70 4.26 4.30 6.40 8.00 9.46 10.41 11.68 10.05 7.75 4.47 3.98 7.04 MEAN OF MIXING RATIO AT 09 GMT. 4.88 4.80 4.51 6.39 7.11 9.23 10.24 12.82 11.05 8.59 6.26 5.68 7.63 MEAN OF MIXING RATIO AT 15 GMT. 4.89 4.82 5.24 6.43 7.24 9.60 10.51 11.90 10.49 8.49 5.80 5.22 7.55 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -5.5 -4.0 ***** 5.3 5.5 13.5 17.5 17.5 11.0 4.5 -1.8 -7.5 ****** DAY 25 7 ** 1 16 15 20 29 23 31 26 7 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 19.5 19.5 21.0 29.5 33.5 40.5 41.5 40.0 38.5 26.5 22.0 14.0 41.5 DAY 6 27 9 30 30 7 26 29 10 6 3 18 24 HOUR MAXIMUM PRECIPITATION IN MM. 18.2 11.2 24.0 15.2 5.6 3.0 0.0 7.5 20.7 37.0 2.0 4.5 37.0 DAY 30 18 1 22 7 1 ** 30 13 1 30 26 MONTHLY TOTAL PRECIPITATION IN MM. 27.6 26.6 33.9 37.6 26.7 5.2 0.0 8.5 38.7 48.7 2.0 6.9 262.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 33.6 26.5 18.0 22.0 NO. OF DAYS WITH PRECIPITATION. 3 6 5 7 11 3 0 2 5 4 1 3 50 NO. OF DAYS PRECIPITATION EQUAL 3 6 4 7 11 3 0 2 5 4 1 3 49 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 1 1 0 0 0 0 2 1 0 0 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 80 87 82 79 73 56 48 57 73 86 84 83 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 55 56 39 45 37 31 27 34 48 53 51 72 46 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 58 60 53 50 43 39 31 38 52 61 55 76 51 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 1 1 *** 0 0 0 0 0 0 0 0 5 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 *** 0 0 9 20 25 2 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 0 0 10 24 31 30 12 0 0 0 107 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 4 1 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. 17 5 *** 0 0 0 0 0 0 0 6 9 *** DATE OF START AND END FREEZING START = 24 NOV. END = 14 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. 3.8 3.5 8.5 13.6 15.3 17.9 22.9 24.2 20.6 14.5 8.4 2.8 13.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -0.1 -0.9 3.7 8.8 10.3 12.6 15.0 16.1 13.6 9.3 2.8 -1.6 7.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.8 7.9 13.4 18.4 20.3 23.3 30.9 32.2 27.6 19.7 13.9 7.2 18.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.9 8.8 9.7 9.7 10.0 10.7 15.9 16.1 14.0 10.4 11.1 8.8 11.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.57 3.37 3.95 6.81 6.87 7.48 8.00 8.73 7.68 6.23 3.73 2.83 5.77 MEAN OF MIXING RATIO AT 09 GMT. 5.38 4.54 4.72 9.30 8.82 10.11 9.73 12.75 9.78 9.03 4.93 3.44 7.71 MEAN OF MIXING RATIO AT 15 GMT. 4.33 4.34 4.52 8.01 8.68 8.90 9.07 11.86 9.96 8.66 4.87 3.30 7.21 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -3.5 -4.5 -5.0 6.5 7.0 10.5 13.5 10.5 11.0 6.0 -4.5 -5.5 -5.5 DAY 31 21 5 1 2 1 10 1 26 31 30 28 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.5 12.5 20.0 22.5 24.0 31.0 34.5 38.5 35.5 24.0 20.0 12.0 38.5 DAY 4 4 30 30 30 30 29 19 3 14 6 8 24 HOUR MAXIMUM PRECIPITATION IN MM. 15.8 12.0 11.5 19.8 18.4 8.6 1.8 0.0 9.4 13.6 7.4 10.0 19.8 DAY 31 25 4 22 11 11 30 ** 12 27 27 16 MONTHLY TOTAL PRECIPITATION IN MM. 37.6 35.0 29.5 43.2 51.8 19.4 1.8 0.0 9.4 47.6 17.2 24.8 317.3 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 32.2 36.1 3.5 28.2 NO. OF DAYS WITH PRECIPITATION. 6 6 3 3 6 5 1 0 1 5 3 3 42 NO. OF DAYS PRECIPITATION EQUAL 5 6 3 3 6 5 1 0 1 5 3 3 41 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 1 1 2 1 0 0 0 0 2 0 1 10 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 81 80 63 79 70 69 63 66 68 76 70 71 71 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 76 67 49 73 58 60 37 46 46 63 52 54 57 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 76 76 65 78 68 65 42 48 52 65 57 59 63 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 2 1 0 0 0 0 0 0 0 1 7 11 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 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 0 0 0 1 20 23 11 0 0 0 55 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. 25 19 9 0 0 0 0 0 0 0 7 25 85 DATE OF START AND END FREEZING START = 24 NOV. END = 9 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. 0.4 0.3 5.5 8.2 ***** 23.5 29.8 29.1 24.3 18.3 10.5 4.1 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -3.5 -3.5 2.2 3.9 ***** 17.1 23.5 22.4 16.0 12.1 5.0 1.6 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.3 4.2 8.8 12.5 ***** 30.0 36.2 35.8 32.6 24.5 15.9 6.6 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.8 7.7 6.6 8.6 ***** 12.9 12.7 13.4 16.6 12.4 10.9 5.0 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.98 2.40 2.87 3.46 ***** 9.35 9.88 10.50 7.78 7.93 5.52 4.16 ***** MEAN OF MIXING RATIO AT 09 GMT. 2.68 2.39 2.27 3.42 ***** 8.02 8.69 9.74 9.97 9.30 6.73 4.46 ***** MEAN OF MIXING RATIO AT 15 GMT. 2.24 2.34 2.38 3.54 ***** 7.95 9.70 9.08 10.40 8.23 6.76 4.31 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.0 -8.5 -3.0 -1.0 ***** 8.5 18.0 17.0 12.0 3.0 2.0 -2.6 ****** DAY 28 26 25 4 ** 7 1 20 25 28 21 10 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 8.0 9.0 12.0 18.0 ***** 36.0 43.5 40.0 37.5 30.0 19.5 15.5 ****** DAY 6 7 31 30 ** 27 19 7 27 17 27 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 27.0 12.8 4.8 14.8 5.2 14.6 2.5 6.3 0.0 4.1 7.7 9.2 27.0 DAY 22 19 29 3 29 6 1 12 ** 31 2 11 MONTHLY TOTAL PRECIPITATION IN MM. 40.0 33.4 19.0 41.0 8.6 68.8 2.5 7.2 0.0 10.8 16.1 44.5 291.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 31.7 40.6 3.3 24.5 NO. OF DAYS WITH PRECIPITATION. 4 5 7 5 3 9 1 2 0 4 4 10 54 NO. OF DAYS PRECIPITATION EQUAL 4 5 7 5 2 8 1 1 0 4 4 9 50 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 0 2 0 3 0 0 0 0 0 0 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 56 68 53 58 *** 68 50 57 62 80 92 89 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 52 50 34 39 *** 35 25 30 34 52 60 74 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 50 53 38 45 *** 39 32 29 43 54 72 80 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 15 13 0 0 *** 0 0 0 0 0 0 0 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 *** 3 27 23 0 1 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 2 6 0 0 *** 0 0 0 0 0 0 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 *** 18 30 30 25 1 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 *** 0 7 1 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. 31 27 8 2 *** 0 0 0 0 0 0 6 *** DATE OF START AND END FREEZING START = 10 DEC. END = 4 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. -1.3 -2.9 9.0 13.7 20.8 26.6 27.1 28.8 21.8 14.6 6.0 5.6 14.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -4.1 -7.0 4.8 8.6 14.7 19.3 19.1 21.6 13.2 8.1 -0.7 0.8 8.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 1.5 1.3 13.3 18.7 26.8 33.8 35.1 36.1 30.5 21.1 12.6 10.5 20.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 5.6 8.3 8.5 10.1 12.1 14.5 16.0 14.5 17.3 13.0 13.3 9.7 11.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.73 2.17 4.88 6.21 8.81 9.94 9.82 9.04 8.36 7.27 4.00 4.11 6.44 MEAN OF MIXING RATIO AT 09 GMT. 3.36 3.31 6.45 6.40 8.46 8.20 9.35 7.37 7.45 7.41 4.71 5.25 6.48 MEAN OF MIXING RATIO AT 15 GMT. 3.14 2.89 5.99 6.31 8.44 8.14 8.12 7.10 7.88 6.99 4.90 4.95 6.24 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -11.0 -16.0 -0.5 4.0 9.0 15.0 15.0 18.0 7.5 -1.5 -4.0 -2.0 -16.0 DAY 31 4 2 4 7 1 1 9 29 31 20 17 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.5 12.5 21.5 27.0 35.0 39.5 41.0 40.5 37.5 30.5 16.0 13.5 41.0 DAY 21 28 31 24 13 11 15 21 6 4 12 6 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.0 6.5 14.3 7.8 7.6 9.0 0.0 0.0 10.3 13.0 24.0 5.7 24.0 DAY 20 20 27 29 7 16 ** ** 11 7 10 5 MONTHLY TOTAL PRECIPITATION IN MM. 11.0 11.7 48.0 39.2 17.9 28.4 0.0 0.0 19.6 46.7 39.3 16.1 277.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 25.4 30.8 7.1 36.7 NO. OF DAYS WITH PRECIPITATION. 2 3 9 13 5 7 0 0 3 12 3 4 61 NO. OF DAYS PRECIPITATION EQUAL 2 3 8 11 4 7 0 0 3 8 3 4 53 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 1 0 0 0 0 0 1 1 1 0 5 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 84 82 83 79 76 66 54 50 71 86 88 86 75 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 80 82 71 52 41 26 28 20 28 50 53 70 50 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 83 82 74 59 49 36 32 23 37 56 65 76 56 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 16 18 0 0 0 0 0 0 0 0 1 0 35 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 12 11 23 0 0 0 0 46 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 14 10 0 0 0 0 0 0 0 0 0 0 24 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 8 25 31 31 17 1 0 0 113 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 3 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. 27 27 1 0 0 0 0 0 0 2 20 11 88 DATE OF START AND END FREEZING START = 30 OCT. END = 2 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. 5.5 7.7 8.7 16.7 21.0 26.4 29.1 28.4 25.5 17.9 9.5 4.7 16.8 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.5 2.5 2.5 8.5 13.2 18.8 22.0 21.4 17.8 11.4 3.4 1.2 10.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.5 12.8 15.0 24.9 28.9 34.0 36.1 35.4 33.1 24.3 15.5 8.3 23.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.0 10.3 12.5 16.4 15.7 15.3 14.1 14.0 15.3 12.9 12.1 7.1 13.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.06 4.58 4.54 6.67 7.91 9.07 9.64 11.28 11.04 8.92 4.89 4.14 7.23 MEAN OF MIXING RATIO AT 09 GMT. 5.77 6.38 6.67 6.69 6.20 8.38 10.35 10.92 11.59 10.24 6.23 4.46 7.82 MEAN OF MIXING RATIO AT 15 GMT. 5.32 5.90 5.90 6.52 6.66 7.78 10.32 10.74 9.28 9.23 5.55 4.24 7.29 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -1.0 1.0 -1.0 3.5 9.0 10.0 18.5 18.0 14.5 7.6 0.5 -1.5 -1.5 DAY 4 1 10 22 10 10 19 27 9 29 15 27 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.5 16.5 29.5 32.5 34.0 38.0 42.0 40.0 37.0 35.2 19.4 13.0 42.0 DAY 9 28 31 14 27 25 20 13 4 1 1 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.0 0.0 0.0 10.0 7.7 0.0 0.0 13.7 0.0 4.5 9.5 2.0 13.7 DAY 23 ** ** 19 10 ** ** 18 ** 14 28 11 MONTHLY TOTAL PRECIPITATION IN MM. 38.0 0.0 0.0 25.6 20.2 0.0 0.0 19.3 0.0 5.1 23.8 4.4 136.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 27.9 33.6 14.1 24.4 NO. OF DAYS WITH PRECIPITATION. 8 0 0 7 5 0 0 2 0 2 3 4 31 NO. OF DAYS PRECIPITATION EQUAL 8 0 0 7 4 0 0 2 0 1 3 2 27 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 1 0 0 0 1 0 0 0 0 2 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 89 82 80 73 67 53 48 58 71 90 87 87 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 75 68 64 36 28 26 28 31 37 82 70 69 51 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 79 72 65 43 38 29 34 37 36 86 78 80 56 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 13 24 22 1 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 2 17 26 31 31 28 6 0 0 141 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 1 0 0 0 0 2 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. 10 0 2 0 0 0 0 0 0 0 0 6 18 DATE OF START AND END FREEZING START = 15 DEC. END = 11 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. -3.8 1.1 7.7 14.8 21.4 26.9 28.2 28.4 23.1 15.0 8.1 2.4 14.4 AVERAGE OF MINIMUM TEMPERATURE IN C. -8.2 -4.0 1.5 7.6 13.4 19.0 20.6 20.9 14.6 7.9 2.2 -2.2 7.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 0.6 6.2 14.0 22.0 29.4 34.7 35.8 35.9 31.7 22.0 13.9 7.0 21.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.8 10.2 12.5 14.4 16.0 15.7 15.2 15.0 17.1 14.1 11.7 9.2 13.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.25 3.00 4.45 5.96 9.29 9.42 10.26 10.34 9.44 7.36 4.92 3.34 6.67 MEAN OF MIXING RATIO AT 09 GMT. 2.90 4.05 6.89 7.40 8.90 8.75 9.91 8.12 10.22 7.32 6.56 4.32 7.11 MEAN OF MIXING RATIO AT 15 GMT. 2.87 3.71 5.72 7.28 9.00 8.15 9.44 7.60 8.66 7.09 6.30 3.91 6.65 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -18.2 -14.0 -1.0 2.5 11.0 11.5 17.0 15.0 11.5 6.5 -5.5 -10.5 -18.2 DAY 25 14 1 1 12 12 9 12 29 31 29 20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 6.0 14.2 21.1 28.2 31.0 38.2 39.0 39.5 35.5 27.0 17.0 16.0 39.5 DAY 15 28 29 30 24 21 5 24 10 5 8 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 3.5 6.0 7.0 6.5 13.5 13.0 0.0 0.0 0.0 7.5 5.5 11.0 13.5 DAY 16 10 15 19 29 5 ** ** ** 8 18 7 MONTHLY TOTAL PRECIPITATION IN MM. 6.6 12.0 9.0 22.7 39.5 17.2 0.0 0.0 0.0 13.0 8.5 19.0 147.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 18.7 53.8 0.0 27.5 NO. OF DAYS WITH PRECIPITATION. 2 2 2 7 9 3 0 0 0 3 4 5 37 NO. OF DAYS PRECIPITATION EQUAL 2 2 2 7 9 2 0 0 0 2 3 4 33 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 0 1 1 0 0 0 0 0 1 3 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 84 83 83 78 76 54 50 56 69 89 85 86 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 85 72 72 59 44 28 28 22 35 47 68 73 53 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 82 80 72 67 55 29 31 25 37 54 76 79 57 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 22 13 0 0 0 0 0 0 0 0 3 11 49 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 12 20 18 0 0 0 0 50 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 16 3 0 0 0 0 0 0 0 0 0 1 20 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 15 30 31 31 25 0 0 0 132 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. 31 22 1 0 0 0 0 0 0 0 10 21 85 DATE OF START AND END FREEZING START = 20 NOV. END = 1 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. -5.7 -7.7 4.0 16.2 19.4 24.9 30.3 27.9 24.4 19.8 8.6 0.8 13.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -10.0 -13.1 -1.4 9.1 14.1 18.1 25.3 21.4 16.4 11.8 2.2 -4.0 7.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. -1.4 -2.2 9.5 23.4 24.7 31.8 35.3 34.4 32.4 27.8 15.1 5.6 19.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.6 10.9 10.9 14.3 10.6 13.7 10.0 13.0 16.0 16.0 12.9 9.6 12.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.98 1.65 3.50 6.36 8.78 10.98 9.94 9.52 9.97 7.74 4.43 2.75 6.47 MEAN OF MIXING RATIO AT 09 GMT. 2.88 2.86 4.43 6.34 8.44 9.57 9.92 7.55 9.78 9.01 5.83 3.60 6.69 MEAN OF MIXING RATIO AT 15 GMT. 2.26 2.17 3.73 9.03 8.06 9.45 10.17 7.70 10.23 7.96 5.84 3.42 6.67 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -28.5 -24.5 -9.0 -0.5 10.0 15.0 20.5 14.0 12.0 5.5 -1.8 -12.2 -28.5 DAY 26 3 28 6 7 24 29 16 30 23 22 27 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 4.2 7.5 16.5 31.0 30.0 36.5 38.5 37.5 36.0 35.0 22.0 11.5 38.5 DAY 4 20 18 30 1 2 13 18 3 1 2 17 24 HOUR MAXIMUM PRECIPITATION IN MM. 14.0 2.5 15.0 3.0 11.0 7.0 0.0 10.5 8.0 6.0 11.0 7.0 15.0 DAY 22 7 6 5 28 12 ** 2 11 31 7 22 MONTHLY TOTAL PRECIPITATION IN MM. 22.7 2.5 28.5 10.5 72.0 24.5 0.0 17.0 10.5 12.0 39.0 8.0 247.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 21.7 43.3 11.1 23.9 NO. OF DAYS WITH PRECIPITATION. 5 1 4 6 18 7 0 4 2 5 8 3 63 NO. OF DAYS PRECIPITATION EQUAL 5 1 4 5 18 6 0 4 2 4 8 1 58 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 1 0 1 0 0 1 0 0 1 0 5 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 89 86 85 75 79 67 46 55 75 79 89 87 76 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 81 88 70 38 50 35 29 24 36 42 61 67 52 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 82 88 65 63 55 41 33 29 45 51 78 80 59 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 25 24 9 0 0 0 0 0 0 0 0 17 75 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 5 30 22 2 0 0 0 59 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 16 19 0 0 0 0 0 0 0 0 0 3 38 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 1 23 31 31 26 11 0 0 124 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. 31 29 17 1 0 0 0 0 0 0 9 26 113 DATE OF START AND END FREEZING START = 10 NOV. END = 6 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. -3.5 1.1 9.3 14.8 21.0 25.4 29.0 29.6 23.3 18.2 5.9 0.3 14.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -8.4 -4.6 3.4 8.8 14.1 19.9 23.3 23.9 16.3 10.5 0.1 -4.2 8.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 1.3 6.7 15.2 20.8 27.9 31.0 34.7 35.3 30.3 25.8 11.8 4.7 20.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.7 11.3 11.8 12.0 13.8 11.1 11.4 11.4 14.0 15.3 11.7 8.9 11.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.05 2.85 4.29 6.33 8.60 10.01 11.09 10.71 8.68 6.49 3.64 2.85 6.47 MEAN OF MIXING RATIO AT 09 GMT. 3.19 4.09 4.55 5.75 7.42 9.23 10.68 11.43 9.43 7.66 4.35 3.42 6.77 MEAN OF MIXING RATIO AT 15 GMT. 2.55 3.46 4.28 5.62 6.94 8.82 10.24 10.28 8.63 7.53 4.26 3.14 6.31 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -14.5 -13.0 -2.6 3.4 6.0 13.0 19.5 17.5 11.0 2.5 -5.9 -9.0 -14.5 DAY 20 7 11 1 5 8 2 31 22 30 21 30 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 6.5 18.5 21.0 28.5 37.0 40.0 43.0 39.0 36.0 30.0 24.5 18.0 43.0 DAY 10 28 2 28 28 26 28 1 14 19 1 3 24 HOUR MAXIMUM PRECIPITATION IN MM. 3.5 16.5 15.5 15.0 7.5 15.2 6.5 0.0 0.0 3.0 17.0 5.0 17.0 DAY 23 23 17 19 13 4 22 ** ** 11 5 8 MONTHLY TOTAL PRECIPITATION IN MM. 7.5 24.5 39.5 54.7 36.0 35.2 9.0 0.0 0.0 7.0 22.7 10.7 246.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 29.0 51.0 3.6 16.4 NO. OF DAYS WITH PRECIPITATION. 3 4 7 12 9 4 3 0 0 5 4 5 56 NO. OF DAYS PRECIPITATION EQUAL 2 3 6 11 8 4 3 0 0 2 4 5 48 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 2 1 0 2 0 0 0 0 1 0 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 86 92 80 79 73 62 56 53 68 69 80 89 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 79 70 46 42 36 35 34 35 38 40 56 67 48 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 87 80 53 46 41 41 37 36 43 52 68 77 55 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 25 16 0 0 0 0 0 0 0 0 8 19 68 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 13 28 28 3 0 0 0 72 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 12 3 0 0 0 0 0 0 0 0 0 11 26 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 10 20 28 28 17 1 0 0 104 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 3 0 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. 31 24 2 0 0 0 0 0 0 0 15 27 99 DATE OF START AND END FREEZING START = 6 NOV. END = 12 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. -3.1 -0.9 8.3 13.6 23.0 27.0 27.7 26.5 21.2 18.3 9.9 3.5 14.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.3 -6.0 3.4 7.1 14.4 19.4 21.6 19.9 14.0 9.6 3.0 -2.2 8.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 1.1 4.1 13.2 20.1 31.6 34.5 33.8 33.2 28.4 27.0 16.7 9.3 21.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.4 10.1 9.8 13.0 17.2 15.1 12.2 13.3 14.4 17.4 13.7 11.5 13.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.29 2.53 4.57 5.20 7.92 11.21 11.24 9.88 9.26 6.01 4.59 3.33 6.50 MEAN OF MIXING RATIO AT 09 GMT. 3.01 3.52 5.16 5.11 7.30 10.00 9.87 9.28 8.64 6.63 5.99 4.28 6.57 MEAN OF MIXING RATIO AT 15 GMT. 2.43 2.84 5.60 5.02 6.80 9.63 9.67 8.72 8.29 6.19 5.59 4.20 6.25 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -14.5 -14.5 -4.5 2.5 7.0 14.5 13.5 15.0 11.5 3.5 -2.5 -6.0 -14.5 DAY 3 3 6 1 1 10 8 25 19 20 29 18 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 5.5 10.0 19.5 28.5 37.5 40.5 42.0 40.0 31.5 30.5 27.0 15.5 42.0 DAY 13 24 16 18 22 21 1 15 9 22 1 21 24 HOUR MAXIMUM PRECIPITATION IN MM. 2.5 1.5 11.0 5.0 11.0 7.5 29.0 3.0 4.0 1.0 6.0 9.5 29.0 DAY 8 26 18 19 5 3 7 22 8 9 24 6 MONTHLY TOTAL PRECIPITATION IN MM. 7.8 2.0 37.2 20.0 22.0 13.2 33.5 7.5 7.5 1.0 9.5 13.0 174.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 27.0 31.7 27.8 13.5 NO. OF DAYS WITH PRECIPITATION. 6 2 9 9 4 5 3 3 2 1 2 2 48 NO. OF DAYS PRECIPITATION EQUAL 4 1 9 9 4 5 2 3 2 1 2 2 44 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 0 1 0 1 0 0 0 0 0 3 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 88 87 78 68 59 63 58 60 81 70 86 88 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 75 73 58 40 29 32 32 33 39 33 57 65 47 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 75 77 70 45 32 38 37 37 47 42 68 79 54 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 23 16 2 0 0 0 0 0 0 0 0 10 51 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 11 22 13 0 0 0 0 46 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 13 7 0 0 0 0 0 0 0 0 0 0 20 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 23 26 27 27 10 2 0 0 115 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 2 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. 31 25 6 0 0 0 0 0 0 0 4 25 91 DATE OF START AND END FREEZING START = 25 NOV. END = 9 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. 0.4 3.4 6.8 17.7 21.2 26.9 31.2 28.9 23.3 15.3 8.4 -0.0 15.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.3 -2.1 -0.3 9.0 14.5 19.9 25.0 22.3 16.4 7.9 1.7 -4.9 8.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.2 9.0 13.8 26.4 28.0 33.8 37.4 35.5 30.1 22.6 15.2 4.9 21.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.5 11.1 14.1 17.4 13.5 13.9 12.4 13.2 13.7 14.7 13.5 9.8 13.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.59 3.27 3.57 6.25 9.20 9.96 9.72 9.57 8.95 5.98 3.73 2.54 6.28 MEAN OF MIXING RATIO AT 09 GMT. 3.43 3.61 3.66 6.77 8.84 9.49 10.49 8.80 7.46 6.30 4.27 3.12 6.35 MEAN OF MIXING RATIO AT 15 GMT. 3.10 3.48 3.37 6.34 8.15 8.28 8.47 7.90 7.53 6.38 4.21 2.98 5.85 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -10.0 -9.0 -5.5 1.5 10.0 15.5 22.0 16.5 12.5 4.5 -4.5 -14.5 -14.5 DAY 7 12 17 1 1 14 2 31 17 31 15 15 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.5 14.5 19.5 32.5 36.5 40.0 42.5 40.5 41.0 27.0 20.0 10.0 42.5 DAY 10 9 11 12 31 29 29 6 6 12 19 24 24 HOUR MAXIMUM PRECIPITATION IN MM. 15.0 14.0 9.0 19.0 52.0 5.0 4.0 0.0 8.0 12.0 3.5 6.5 52.0 DAY 5 21 28 20 5 12 18 ** 10 4 27 11 MONTHLY TOTAL PRECIPITATION IN MM. 28.5 18.0 9.0 37.5 86.5 6.5 4.0 0.0 16.0 18.0 4.5 7.5 236.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 23.5 55.3 8.5 12.7 NO. OF DAYS WITH PRECIPITATION. 3 4 1 6 10 2 1 0 4 3 3 2 39 NO. OF DAYS PRECIPITATION EQUAL 3 3 1 5 8 2 1 0 4 3 1 2 33 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 1 0 2 2 0 0 0 0 1 0 0 8 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 86 85 82 72 74 55 41 49 67 79 78 83 71 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 64 54 39 36 41 30 27 26 33 39 44 63 41 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 74 62 45 42 45 31 25 27 43 52 55 75 48 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 23 11 3 0 0 0 0 0 0 0 1 19 57 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 7 31 23 1 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 4 4 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 8 10 27 31 31 13 0 0 0 120 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 6 1 1 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. 30 20 11 0 0 0 0 0 0 0 7 26 94 DATE OF START AND END FREEZING START = 4 NOV. END = 24 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. 4.1 0.5 7.6 16.2 20.9 26.6 29.4 31.0 24.5 16.2 7.7 6.0 15.9 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.1 -5.0 0.8 9.7 14.5 20.8 23.6 24.2 17.4 9.7 1.0 1.5 9.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.4 5.9 14.3 22.7 27.3 32.4 35.3 37.8 31.6 22.7 14.5 10.5 22.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.5 10.9 13.5 13.0 12.8 11.6 11.7 13.6 14.2 13.0 13.5 9.0 12.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.98 2.46 3.52 6.18 8.80 9.76 10.74 10.33 9.36 6.35 3.91 3.88 6.52 MEAN OF MIXING RATIO AT 09 GMT. 3.51 3.08 3.59 5.69 8.15 8.57 9.77 9.07 8.72 7.17 4.90 4.35 6.38 MEAN OF MIXING RATIO AT 15 GMT. 3.15 3.06 3.38 5.62 7.49 8.09 9.10 8.03 8.83 6.75 4.73 4.18 6.03 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -11.0 -9.0 -7.5 3.0 5.5 16.0 15.5 19.5 10.0 4.5 -3.5 -1.5 -11.0 DAY 14 19 4 3 7 12 5 24 30 31 19 6 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.0 17.0 21.0 31.0 31.0 38.0 40.5 42.5 37.5 30.0 20.5 20.0 42.5 DAY 6 8 30 28 19 24 27 7 6 1 6 4 24 HOUR MAXIMUM PRECIPITATION IN MM. 3.0 9.5 2.0 12.5 12.0 6.0 6.5 0.0 5.0 17.5 2.0 15.5 17.5 DAY 13 5 1 24 15 20 4 ** 14 21 25 11 MONTHLY TOTAL PRECIPITATION IN MM. 3.0 13.5 2.5 42.0 70.5 6.0 14.5 0.0 8.0 43.2 2.0 26.0 231.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 8.2 51.3 9.7 30.8 NO. OF DAYS WITH PRECIPITATION. 1 3 2 9 11 1 3 0 2 6 1 3 42 NO. OF DAYS PRECIPITATION EQUAL 1 3 1 9 11 1 3 0 2 6 1 3 41 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 1 5 0 0 0 0 2 0 1 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 81 81 79 73 74 58 53 49 67 76 83 83 71 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 54 57 42 37 40 30 30 23 33 48 54 62 43 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 61 72 49 45 45 35 32 26 41 56 65 68 50 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 12 20 3 0 0 0 0 0 0 0 0 0 35 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 15 26 27 3 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 3 27 28 31 18 2 0 0 110 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 5 2 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 28 14 0 0 0 0 0 0 0 9 8 82 DATE OF START AND END FREEZING START = 16 NOV. END = 27 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. -2.9 5.1 12.2 17.6 22.1 27.2 28.6 29.2 24.4 13.6 9.5 3.1 15.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.9 0.9 5.5 10.8 15.4 20.7 23.2 22.6 16.9 5.6 1.9 -1.4 9.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 1.1 9.3 19.0 24.4 28.8 33.7 34.0 35.8 31.8 21.7 17.1 7.6 22.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.0 8.4 13.5 13.6 13.4 13.0 10.8 13.2 14.9 16.1 15.2 9.0 12.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.36 4.10 4.93 6.68 8.16 10.88 10.02 10.53 8.77 4.55 3.96 3.28 6.52 MEAN OF MIXING RATIO AT 09 GMT. 3.53 4.39 4.95 5.97 7.35 10.66 10.32 10.37 8.67 5.06 4.96 3.85 6.67 MEAN OF MIXING RATIO AT 15 GMT. 2.81 3.86 5.23 5.89 6.87 9.81 9.80 9.29 7.45 5.53 5.05 3.64 6.27 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.5 -8.0 0.5 7.0 10.5 15.0 19.5 19.5 13.0 -4.0 -2.5 -8.0 -12.5 DAY 25 1 15 17 1 2 2 1 30 23 16 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 8.0 20.5 24.0 30.0 34.5 38.5 40.0 44.0 36.0 33.0 23.0 21.0 44.0 DAY 1 28 1 9 14 12 13 25 24 3 4 3 24 HOUR MAXIMUM PRECIPITATION IN MM. 2.5 0.0 12.5 15.5 10.0 31.0 12.5 12.0 0.0 8.0 7.5 7.5 31.0 DAY 20 ** 3 8 27 2 10 29 ** 18 12 10 MONTHLY TOTAL PRECIPITATION IN MM. 2.5 0.0 31.7 54.0 35.5 38.6 19.5 19.0 0.0 8.0 9.5 17.5 235.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 14.5 54.3 16.3 14.8 NO. OF DAYS WITH PRECIPITATION. 1 0 11 8 8 7 3 3 0 1 2 4 48 NO. OF DAYS PRECIPITATION EQUAL 1 0 8 8 7 5 3 3 0 1 2 4 42 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 2 2 1 1 1 0 0 0 0 8 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 90 89 79 76 67 65 51 56 66 71 83 84 73 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 91 71 42 36 32 39 33 31 32 37 47 65 46 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 91 69 51 41 37 40 37 33 35 52 60 74 52 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 26 2 0 0 0 0 0 0 0 1 0 11 40 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 16 30 23 1 0 0 0 70 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 15 0 0 0 0 0 0 0 0 0 0 0 15 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 16 25 30 29 24 4 0 0 129 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 5 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. 29 9 0 0 0 0 0 0 0 6 4 19 67 DATE OF START AND END FREEZING START = 23 OCT. END = 17 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. 2.8 6.9 11.4 15.9 19.8 23.7 29.6 28.5 25.5 17.8 6.7 5.7 16.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -0.9 1.1 3.8 9.0 12.8 18.0 23.0 22.8 16.8 10.1 1.0 1.2 9.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.5 12.7 19.0 22.8 26.8 29.5 36.2 34.1 34.3 25.4 12.4 10.2 22.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.4 11.6 15.2 13.8 14.0 11.5 13.2 11.3 17.5 15.3 11.4 9.0 12.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.47 3.59 4.23 6.08 8.14 9.03 10.31 9.32 9.08 6.62 3.84 4.17 6.49 MEAN OF MIXING RATIO AT 09 GMT. 3.78 3.85 4.51 5.60 7.47 8.54 8.89 9.24 8.80 7.91 4.25 4.43 6.44 MEAN OF MIXING RATIO AT 15 GMT. 3.73 3.72 4.48 5.68 7.14 8.41 8.59 8.88 8.33 7.89 4.21 4.24 6.28 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -5.5 -5.0 0.0 3.0 7.0 13.0 18.0 19.5 11.5 5.0 -3.0 -3.0 -5.5 DAY 1 26 4 15 7 3 2 21 27 30 23 8 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.5 20.5 25.0 28.0 34.0 36.5 44.0 39.0 38.0 31.0 20.5 17.0 44.0 DAY 5 20 27 5 17 18 17 8 17 7 1 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 4.0 12.0 8.5 12.0 14.5 9.0 0.0 0.0 0.0 4.5 11.5 7.0 14.5 DAY 4 11 28 2 27 24 ** ** ** 25 14 10 MONTHLY TOTAL PRECIPITATION IN MM. 13.0 24.0 20.0 31.5 60.0 25.9 0.0 0.0 0.0 9.5 14.0 17.5 215.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 26.5 54.5 0.0 19.0 NO. OF DAYS WITH PRECIPITATION. 4 3 5 9 13 4 0 0 0 4 3 5 50 NO. OF DAYS PRECIPITATION EQUAL 4 3 5 8 13 4 0 0 0 3 3 5 48 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 0 1 1 0 0 0 0 0 1 0 4 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 79 77 76 77 63 53 49 69 78 86 90 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 67 51 37 37 37 38 25 29 28 45 55 62 43 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 76 57 46 45 44 47 29 33 34 57 65 69 50 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 5 2 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 7 30 24 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 0 10 15 31 30 27 2 0 0 115 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 8 0 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. 22 9 1 0 0 0 0 0 0 0 12 7 51 DATE OF START AND END FREEZING START = 6 NOV. END = 4 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. 3.8 7.4 10.6 17.3 21.8 24.2 29.6 29.7 25.6 17.3 10.7 5.5 17.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.2 1.0 2.9 10.2 15.3 17.8 23.6 22.6 18.7 10.8 4.8 0.6 10.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.8 13.6 18.4 24.4 28.3 30.6 35.7 36.9 32.3 23.8 16.6 10.4 23.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.0 12.6 15.5 14.2 13.0 12.8 12.1 14.3 13.6 13.0 11.8 9.8 12.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.14 3.64 4.06 6.20 8.31 10.00 10.88 10.05 10.81 7.61 5.09 3.98 6.98 MEAN OF MIXING RATIO AT 09 GMT. 3.78 4.12 4.54 5.97 7.95 9.91 11.60 9.73 8.96 8.13 6.36 4.37 7.12 MEAN OF MIXING RATIO AT 15 GMT. 3.55 3.91 4.70 5.66 7.37 9.10 10.39 8.62 8.65 7.83 6.12 4.42 6.69 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -7.0 -4.0 -5.5 6.5 11.5 14.0 19.0 18.0 14.5 6.0 0.0 -3.5 -7.0 DAY 14 27 5 1 2 1 7 30 29 30 26 19 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 22.0 23.5 25.5 34.0 33.0 40.0 41.0 42.0 41.5 29.0 25.5 16.0 42.0 DAY 4 14 17 4 13 30 11 16 2 13 2 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 2.5 4.5 7.0 13.0 10.5 11.5 2.5 6.5 1.5 7.5 9.0 11.0 13.0 DAY 20 3 25 5 5 7 6 25 11 6 16 1 MONTHLY TOTAL PRECIPITATION IN MM. 5.0 13.0 14.5 32.5 31.0 31.0 2.5 6.5 1.5 28.5 15.5 17.0 198.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 16.4 47.6 5.3 30.7 NO. OF DAYS WITH PRECIPITATION. 3 5 3 6 7 9 1 1 2 11 3 4 55 NO. OF DAYS PRECIPITATION EQUAL 2 5 3 5 6 8 1 1 1 8 2 4 46 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 1 1 1 0 0 0 0 0 1 4 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 81 81 77 72 69 71 54 54 74 85 86 89 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 58 48 38 34 36 38 34 26 31 48 60 61 43 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 66 55 51 40 43 46 36 27 36 63 70 76 51 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 13 1 4 0 0 0 0 0 0 0 0 0 18 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 26 26 7 0 0 0 63 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 0 1 11 17 31 29 19 0 0 0 108 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 3 6 5 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. 19 10 7 0 0 0 0 0 0 0 2 13 51 DATE OF START AND END FREEZING START = 26 NOV. END = 7 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. 0.6 2.7 9.6 16.1 21.8 27.3 31.4 29.0 23.5 16.1 11.2 6.0 16.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -3.7 -2.7 3.3 9.2 13.7 19.6 24.6 23.0 15.4 8.1 5.5 -0.0 9.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.8 7.9 15.8 22.9 29.8 34.9 38.1 35.1 31.4 24.1 17.0 12.1 22.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.5 10.6 12.5 13.7 16.1 15.3 13.5 12.1 16.0 16.0 11.5 12.1 13.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.99 3.16 4.27 6.09 7.93 8.92 10.35 11.05 8.10 5.52 5.67 3.58 6.47 MEAN OF MIXING RATIO AT 09 GMT. 3.62 3.72 4.41 5.42 7.28 8.10 10.70 10.26 8.67 6.39 6.40 4.06 6.58 MEAN OF MIXING RATIO AT 15 GMT. 3.12 3.95 4.49 5.69 7.01 7.57 9.35 9.62 7.69 6.04 6.39 3.90 6.24 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -11.5 -11.5 -3.0 1.5 9.5 15.0 21.0 20.0 7.0 1.5 -2.0 -5.5 -11.5 DAY 31 1 8 17 1 17 6 23 19 30 24 20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.0 13.0 25.0 30.0 36.0 40.5 42.5 40.0 38.5 32.5 21.5 22.0 42.5 DAY 28 15 30 8 21 29 20 16 6 3 8 6 24 HOUR MAXIMUM PRECIPITATION IN MM. 4.5 3.0 22.0 12.5 3.0 2.5 0.0 0.0 8.0 5.5 7.5 1.5 22.0 DAY 7 18 3 3 24 17 ** ** 21 29 10 28 MONTHLY TOTAL PRECIPITATION IN MM. 7.0 4.0 42.0 42.0 9.5 2.5 0.0 0.0 10.0 10.0 28.0 2.0 157.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 33.8 34.4 6.4 25.5 NO. OF DAYS WITH PRECIPITATION. 3 2 6 9 5 1 0 0 2 3 6 2 39 NO. OF DAYS PRECIPITATION EQUAL 3 2 6 8 5 1 0 0 2 3 6 1 37 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 2 0 0 0 0 0 0 0 0 3 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 91 88 79 74 68 54 48 57 67 74 89 84 73 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 73 59 42 34 31 25 28 31 34 37 56 50 42 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 77 75 54 44 37 28 28 35 37 49 70 59 49 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 14 9 0 0 0 0 0 0 0 0 0 1 24 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 8 31 30 4 0 0 0 73 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 4 0 0 0 0 0 0 0 0 0 0 0 4 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 3 13 29 31 31 20 1 0 0 128 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 11 1 0 0 0 0 14 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. 29 19 9 0 0 0 0 0 0 0 1 14 72 DATE OF START AND END FREEZING START = 24 NOV. END = 17 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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.***** ***** ***** ***** ***** ***** ***** 28.1 24.9 18.2 ***** 5.9 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** 21.9 16.7 10.6 ***** 0.1 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.8 13.1 17.7 19.6 25.2 31.6 35.5 34.5 33.3 25.6 13.8 12.0 22.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** 12.6 16.5 15.0 ***** 11.9 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.04 3.27 4.16 5.88 8.37 9.96 11.07 10.89 8.48 7.00 4.41 3.95 6.71 MEAN OF MIXING RATIO AT 09 GMT. 3.46 3.69 4.75 5.74 7.26 9.61 10.17 10.99 8.60 7.75 5.12 4.39 6.79 MEAN OF MIXING RATIO AT 15 GMT. 3.64 3.54 4.62 5.78 7.34 9.12 9.77 10.55 7.55 7.58 5.10 4.52 6.59 ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** 19.0 11.0 7.0 ***** -3.0 ****** DAY ** ** ** ** ** ** ** 6 23 19 ** 20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.5 18.0 24.0 30.5 32.0 36.0 40.0 39.0 37.5 29.5 25.0 20.5 40.0 DAY 7 15 21 21 8 1 28 1 6 1 1 16 24 HOUR MAXIMUM PRECIPITATION IN MM. 2.0 6.5 10.0 13.5 11.5 9.0 2.0 3.0 0.0 16.0 25.0 10.0 25.0 DAY 18 21 30 8 22 17 4 5 ** 7 5 28 MONTHLY TOTAL PRECIPITATION IN MM. 4.0 13.5 25.5 48.5 34.0 27.0 4.5 7.0 0.0 16.5 50.5 13.5 244.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 17.6 44.8 4.7 32.9 NO. OF DAYS WITH PRECIPITATION. 4 4 9 8 14 8 4 5 0 2 6 2 66 NO. OF DAYS PRECIPITATION EQUAL 2 3 6 7 7 7 3 2 0 1 5 2 45 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 2 1 0 0 0 0 1 2 1 8 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 86 81 76 79 76 66 58 60 63 77 87 86 75 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 49 42 43 45 40 35 29 33 28 40 56 55 41 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 63 49 49 51 49 38 32 40 31 51 71 70 50 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** 0 0 0 *** 0 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** 17 5 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 1 4 23 31 30 27 0 0 0 116 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 0 0 0 0 0 2 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 0 0 *** 12 *** DATE OF START AND END FREEZING START = 1 DEC. END = 30 DEC. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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.***** ***** 6.8 17.2 21.4 24.8 28.9 27.2 24.2 14.5 6.2 ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** -0.4 9.8 15.5 17.8 22.1 20.4 16.0 7.9 1.0 ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** 14.0 24.6 27.1 31.8 35.7 34.0 32.4 21.2 11.3 ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** 14.4 14.8 11.6 14.0 13.6 13.6 16.4 13.3 10.3 ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** 3.63 6.97 9.35 10.69 12.09 9.85 9.23 6.40 3.78 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** 3.81 7.46 9.73 10.13 12.14 9.99 9.58 7.02 4.04 ***** ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** 3.89 7.29 8.77 10.00 11.58 9.48 8.71 7.13 4.05 ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** -6.0 3.5 10.5 13.0 16.5 16.0 13.0 2.5 -3.0 ***** ****** DAY ** ** 12 1 4 28 6 1 18 31 15 ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** 21.0 30.5 32.0 36.5 41.0 39.5 38.0 29.0 21.5 ***** ****** DAY ** ** 31 22 18 16 10 27 9 15 6 ** 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** 24.0 13.5 19.5 15.0 8.0 1.5 2.0 18.0 14.0 ***** ****** DAY ** ** 25 6 7 24 30 1 26 6 8 ** MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** 39.5 56.0 60.5 43.5 19.5 2.5 3.0 39.0 16.0 ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 14.1 57.2 8.9 19.7 NO. OF DAYS WITH PRECIPITATION. *** *** 4 10 8 7 6 2 6 4 5 *** *** NO. OF DAYS PRECIPITATION EQUAL *** *** 4 8 8 5 4 2 1 3 2 *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** 1 3 2 2 0 0 0 2 1 *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** 85 81 77 76 66 58 72 81 82 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** 42 43 46 37 35 31 34 49 51 *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** 49 50 52 43 40 37 41 63 63 *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** 5 0 0 0 0 0 0 0 0 *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** 0 0 0 1 21 15 0 0 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 3 9 22 29 28 28 0 0 *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** 0 0 0 0 3 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. *** *** 19 0 0 0 0 0 0 0 8 *** *** DATE OF START AND END FREEZING START = 2 NOV. END = 30 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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 0.7 7.4 15.8 21.1 25.3 30.7 27.8 22.6 15.9 11.2 ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -11.4 -3.6 0.3 7.7 14.1 18.0 23.1 21.5 14.7 8.1 5.5 ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. -0.9 5.2 14.8 23.9 28.1 32.5 38.2 34.0 30.5 23.6 17.0 ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.5 8.8 14.5 16.2 14.0 14.5 15.1 12.5 15.8 15.5 11.5 ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.59 3.07 3.41 5.23 9.41 10.56 12.46 11.44 8.36 6.02 5.39 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 2.90 4.26 4.11 5.26 8.66 10.40 12.84 11.79 9.41 6.53 6.29 ***** ***** MEAN OF MIXING RATIO AT 15 GMT. 2.36 4.11 3.97 5.03 8.45 9.63 12.04 11.22 8.58 6.86 6.37 ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -20.0 -13.5 -6.5 2.5 7.5 15.0 19.0 15.0 9.0 4.5 1.5 ***** ****** DAY 8 1 7 2 10 9 2 26 28 22 26 ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 8.5 13.0 25.5 31.0 34.0 40.0 42.5 41.5 36.0 32.5 23.0 ***** ****** DAY 1 20 28 30 22 17 20 13 7 2 1 ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 6.5 0.0 5.0 5.5 7.0 10.0 7.0 11.0 3.5 15.0 14.0 ***** ****** DAY 23 ** 6 19 17 23 22 25 13 6 25 ** MONTHLY TOTAL PRECIPITATION IN MM. 17.0 0.0 5.0 11.5 51.5 34.0 7.0 21.5 5.5 21.0 39.5 ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 10.3 45.4 15.9 28.3 NO. OF DAYS WITH PRECIPITATION. 6 2 1 4 17 9 1 3 2 4 8 *** *** NO. OF DAYS PRECIPITATION EQUAL 6 0 1 4 15 6 1 3 2 2 6 *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 0 0 1 0 1 0 1 2 *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 88 92 74 65 79 70 61 63 69 77 81 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 82 84 44 33 40 37 32 37 39 40 59 *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 90 92 51 38 48 41 34 42 44 53 71 *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 28 8 3 0 0 0 0 0 0 0 0 *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 6 26 22 0 0 0 *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 19 1 0 0 0 0 0 0 0 0 0 *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 2 7 25 31 24 19 2 0 *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 12 3 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. 31 20 12 0 0 0 0 0 0 0 0 *** *** DATE OF START AND END FREEZING START = 1 JAN. END = 18 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. 2.8 2.2 10.0 16.3 18.4 25.7 31.1 28.0 25.0 16.1 9.4 ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -2.1 -3.1 4.6 8.3 11.8 18.6 24.2 20.7 17.0 8.7 4.1 ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.8 7.4 15.4 24.4 25.0 32.7 38.0 35.3 33.1 23.6 14.7 ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.9 10.5 10.8 16.2 13.2 14.1 13.8 14.6 16.1 14.9 10.6 ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** 5.20 5.98 6.58 8.29 9.59 10.07 9.64 6.22 5.44 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 5.11 5.01 5.98 5.39 6.63 7.53 8.71 10.43 11.63 6.87 6.62 ***** ***** MEAN OF MIXING RATIO AT 15 GMT. 4.96 ***** 5.77 5.17 5.50 6.99 7.66 9.42 10.45 6.72 6.51 ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.0 -6.5 -1.5 4.5 6.0 14.0 20.5 16.0 15.0 2.0 0.0 ***** ****** DAY 1 18 1 2 8 1 4 31 24 20 15 ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 13.5 14.0 23.0 30.0 31.5 41.0 42.0 41.0 36.5 32.0 18.5 ***** ****** DAY 3 12 30 22 25 11 11 1 24 3 4 ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 6.0 13.0 9.0 5.0 2.5 0.0 5.0 3.5 4.0 18.5 13.0 ***** ****** DAY 16 14 12 4 11 ** 4 30 9 19 29 ** MONTHLY TOTAL PRECIPITATION IN MM. 10.0 18.5 25.0 19.5 4.5 0.0 5.0 3.5 4.0 33.0 50.5 ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 30.8 13.8 7.2 48.1 NO. OF DAYS WITH PRECIPITATION. 3 3 6 8 2 0 1 1 1 6 9 *** *** NO. OF DAYS PRECIPITATION EQUAL 3 3 5 7 2 0 1 1 1 6 9 *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 0 0 0 0 0 0 0 1 2 *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** 84 73 63 52 45 58 69 76 90 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 81 85 65 31 34 26 22 31 40 43 67 *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 94 *** 70 36 36 28 22 35 45 55 77 *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 10 13 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 29 20 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 1 2 24 31 28 28 7 0 *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 5 2 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. 21 24 1 0 0 0 0 0 0 0 2 *** *** DATE OF START AND END FREEZING START = 15 NOV. END = 1 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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.***** 1.1 0.5 15.7 21.7 27.0 27.4 28.3 24.1 14.8 10.9 1.1 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** -3.2 -4.3 9.8 14.8 20.3 21.9 21.8 16.9 8.2 4.8 -2.4 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** 5.3 5.3 21.7 28.5 33.7 32.8 34.9 31.2 21.3 16.9 4.7 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** 8.5 9.6 11.9 13.7 13.4 10.9 13.1 14.3 13.1 12.1 7.1 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** 3.31 3.28 6.62 8.69 9.60 10.12 8.99 8.01 5.45 4.88 3.30 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** 3.38 3.71 6.09 7.44 9.01 10.45 8.98 8.05 5.37 5.37 3.55 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** 3.39 3.63 5.68 6.60 8.61 10.91 9.39 7.00 5.19 5.27 3.47 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** -12.6 -19.6 5.4 8.0 15.5 17.0 18.4 9.6 0.0 -1.6 -15.0 ****** DAY ** 23 3 5 4 9 29 12 22 31 25 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** 18.0 17.8 30.3 34.4 42.0 39.4 39.0 40.2 28.6 23.0 9.8 ****** DAY ** 14 31 20 30 26 5 5 1 9 8 8 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** 7.0 24.3 12.5 11.8 2.0 2.0 0.0 0.0 10.0 1.3 23.5 ****** DAY ** 20 24 2 17 8 2 ** ** 11 11 29 MONTHLY TOTAL PRECIPITATION IN MM. ***** 22.8 61.9 50.2 27.0 4.6 4.6 0.0 0.0 13.1 2.8 36.2 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 37.9 36.6 2.1 23.3 NO. OF DAYS WITH PRECIPITATION. *** 12 13 12 8 4 4 0 0 4 4 6 *** NO. OF DAYS PRECIPITATION EQUAL *** 6 9 8 5 2 2 0 0 4 2 5 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** 0 1 2 1 0 0 0 0 1 0 1 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** 84 86 81 73 57 55 49 58 70 78 87 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** 63 63 44 35 32 37 29 33 39 52 71 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** 65 61 40 30 29 37 28 27 38 53 76 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** 13 15 0 0 0 0 0 0 0 0 9 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** 0 0 0 0 9 24 18 5 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 7 12 0 0 0 0 0 0 0 0 3 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 0 0 1 13 28 29 31 18 0 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 0 0 0 0 1 0 0 1 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. *** 17 17 0 0 0 0 0 0 1 2 23 *** DATE OF START AND END FREEZING START = 31 OCT. END = 17 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. -1.9 4.3 6.2 15.8 17.9 23.2 29.5 29.0 25.4 16.2 8.0 2.6 14.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.4 -0.2 0.7 10.3 11.4 16.7 23.1 22.3 17.3 10.0 4.0 -2.1 8.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 2.7 8.7 11.6 21.2 24.4 29.7 35.8 35.7 33.4 22.4 12.1 7.2 20.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.1 8.9 10.9 10.9 13.0 13.0 12.7 13.4 16.1 12.4 8.1 9.3 11.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.53 3.38 3.69 6.49 8.55 10.56 10.68 9.81 7.53 7.02 5.48 3.17 6.57 MEAN OF MIXING RATIO AT 09 GMT. 3.11 3.50 3.92 6.77 8.14 10.10 11.57 11.75 8.78 7.11 5.56 3.31 6.97 MEAN OF MIXING RATIO AT 15 GMT. 2.99 3.45 3.45 6.46 7.77 9.24 11.32 10.78 7.68 6.69 5.40 3.13 6.53 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -13.5 -4.0 -6.0 5.0 7.0 8.0 17.0 18.0 9.8 7.0 -1.6 -7.2 -13.5 DAY 21 3 3 2 6 22 27 28 30 9 17 11 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.0 18.5 21.0 26.0 30.6 35.6 42.6 39.6 38.6 28.5 21.6 17.4 42.6 DAY 18 27 27 14 30 28 9 19 3 19 1 26 24 HOUR MAXIMUM PRECIPITATION IN MM. 11.8 5.4 3.5 9.6 11.0 13.0 0.6 0.0 4.4 19.5 19.0 1.7 19.5 DAY 15 10 1 3 4 21 25 ** 27 23 10 22 MONTHLY TOTAL PRECIPITATION IN MM. 25.2 6.7 16.5 23.4 46.9 48.6 0.7 0.0 6.7 29.2 44.6 2.2 250.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 19.3 47.4 3.0 30.3 NO. OF DAYS WITH PRECIPITATION. 7 4 7 13 19 10 2 0 5 8 9 3 87 NO. OF DAYS PRECIPITATION EQUAL 5 2 5 7 12 7 0 0 2 5 7 1 53 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 0 0 1 1 0 0 0 1 1 0 5 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 86 79 80 74 86 76 54 52 54 81 91 82 75 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 71 55 51 47 47 45 35 36 32 48 66 57 49 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 77 57 46 47 47 41 35 33 30 47 69 60 49 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 20 1 3 0 0 0 0 0 0 0 0 8 32 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 24 25 0 0 0 0 49 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 9 0 0 0 0 0 0 0 0 0 0 0 9 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 2 18 30 31 25 0 0 0 106 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 6 0 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. 31 17 13 0 0 0 0 0 0 0 6 23 90 DATE OF START AND END FREEZING START = 14 NOV. END = 26 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. 5.5 5.2 7.1 12.9 22.3 26.9 29.2 27.6 22.3 12.0 7.2 4.0 15.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -0.4 0.5 1.7 6.1 14.6 19.9 22.8 20.9 15.7 7.7 1.9 0.5 9.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 11.3 9.9 12.4 19.6 30.0 33.9 35.8 34.2 28.8 16.4 12.5 7.4 21.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.7 9.4 10.7 13.5 15.4 14.0 13.0 13.3 13.1 8.7 10.6 6.9 11.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.10 3.85 3.66 5.05 7.67 8.04 8.01 9.20 7.20 5.31 3.99 3.85 5.75 MEAN OF MIXING RATIO AT 09 GMT. 3.58 4.17 3.63 4.98 7.49 9.01 9.43 10.50 8.04 5.51 4.24 4.13 6.22 MEAN OF MIXING RATIO AT 15 GMT. 3.11 3.82 3.33 4.51 6.97 8.48 8.62 9.56 7.15 5.11 3.94 3.88 5.71 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.2 -7.3 -5.0 -1.2 10.5 14.8 17.4 13.7 8.5 3.0 -6.0 -7.2 -7.3 DAY 19 11 15 21 3 3 4 29 24 28 30 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 19.2 18.0 19.5 30.0 36.2 39.6 40.2 40.0 37.2 33.5 20.0 14.0 40.2 DAY 30 26 9 30 9 28 30 14 5 2 21 21 24 HOUR MAXIMUM PRECIPITATION IN MM. 0.0 8.0 6.4 7.0 6.0 8.0 0.0 3.0 6.0 17.0 6.0 11.0 17.0 DAY ** 8 14 3 20 17 ** 4 12 6 3 19 MONTHLY TOTAL PRECIPITATION IN MM. 0.0 16.8 12.1 20.1 22.9 10.0 0.0 5.1 12.2 43.6 8.0 45.8 196.6 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 14.7 27.0 8.8 49.5 NO. OF DAYS WITH PRECIPITATION. 0 8 5 9 8 4 0 5 3 9 3 13 67 NO. OF DAYS PRECIPITATION EQUAL 0 5 3 5 7 2 0 2 2 8 3 8 45 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 0 0 0 0 0 0 1 0 1 2 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 74 86 74 75 64 50 41 53 58 71 80 84 68 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 51 63 45 40 32 30 29 35 37 51 51 66 44 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 46 57 42 35 32 29 26 32 33 52 52 66 42 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 7 3 2 0 0 0 0 0 0 0 2 6 20 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 11 24 16 1 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 2 2 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 16 29 30 26 11 2 0 0 115 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 1 0 0 0 0 2 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. 20 12 11 1 0 0 0 0 0 0 11 13 68 DATE OF START AND END FREEZING START = 11 NOV. END = 21 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. -1.0 3.0 8.6 14.8 18.8 24.1 27.7 25.9 22.5 16.2 7.3 3.9 14.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -3.3 -1.0 2.8 8.4 12.1 17.7 22.1 20.4 16.0 10.4 1.5 -1.0 8.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 1.4 7.1 14.3 21.2 25.6 30.5 33.3 31.4 28.8 22.0 13.1 8.7 19.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 4.7 8.1 11.5 12.8 13.5 12.8 11.2 11.0 12.8 11.6 11.6 9.7 10.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.89 3.34 4.33 6.12 8.06 10.01 10.95 11.07 7.81 6.94 4.30 3.82 6.64 MEAN OF MIXING RATIO AT 09 GMT. 3.17 3.58 4.49 6.20 6.58 8.61 12.16 11.13 8.11 6.90 4.66 4.23 6.65 MEAN OF MIXING RATIO AT 15 GMT. 3.12 3.24 3.85 5.86 6.31 8.32 11.50 10.77 7.57 6.85 4.42 3.84 6.30 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -8.2 -6.0 -4.4 1.0 5.4 13.5 16.5 14.0 13.0 3.5 -5.2 -14.8 -14.8 DAY 22 6 6 2 2 18 1 30 15 22 15 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 6.8 17.8 22.7 26.0 32.7 37.7 41.2 37.6 37.5 29.5 23.0 16.8 41.2 DAY 31 29 30 19 17 14 13 27 8 12 2 7 24 HOUR MAXIMUM PRECIPITATION IN MM. 2.3 3.0 16.0 7.0 7.0 31.1 8.0 6.0 3.0 7.5 6.0 10.3 31.1 DAY 6 2 9 18 25 19 26 30 5 19 11 27 MONTHLY TOTAL PRECIPITATION IN MM. 7.1 4.2 21.9 25.1 31.3 62.1 9.9 15.7 3.2 11.2 14.7 17.5 223.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 14.8 52.9 12.9 19.4 NO. OF DAYS WITH PRECIPITATION. 10 5 8 9 13 12 3 6 2 6 7 7 88 NO. OF DAYS PRECIPITATION EQUAL 3 1 3 5 8 8 2 4 1 2 4 3 44 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 0 0 2 0 0 0 0 0 1 4 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 86 81 79 77 78 69 58 66 62 77 86 86 75 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 78 62 50 42 36 36 41 42 37 46 54 64 49 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 79 56 43 41 35 37 40 42 35 48 58 65 48 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 10 6 1 0 0 0 0 0 0 0 2 7 26 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 5 22 12 0 0 0 0 39 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 11 0 0 0 0 0 0 0 0 0 0 4 15 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 7 15 29 25 11 0 0 0 87 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 0 0 0 0 0 2 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. 30 22 6 0 0 0 0 0 0 0 10 14 82 DATE OF START AND END FREEZING START = 14 NOV. END = 24 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. -6.7 -1.9 10.1 18.1 21.3 26.8 30.9 29.7 23.3 16.5 9.9 3.8 15.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -12.5 -7.7 3.9 10.7 14.1 19.9 25.0 23.4 16.3 10.4 4.9 -1.5 8.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. -1.0 3.8 16.3 25.5 28.5 33.8 36.8 36.0 30.3 22.7 14.9 9.1 21.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.5 11.5 12.4 14.8 14.4 13.9 11.8 12.6 14.0 12.3 10.0 10.6 12.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.60 2.01 4.63 6.50 7.63 9.79 10.47 10.82 8.71 6.66 5.14 3.28 6.44 MEAN OF MIXING RATIO AT 09 GMT. 2.19 2.47 5.21 6.75 7.87 11.01 9.79 10.03 8.02 6.47 5.67 3.82 6.61 MEAN OF MIXING RATIO AT 15 GMT. 1.99 2.39 4.66 5.78 6.95 10.15 10.27 9.66 7.33 6.37 5.51 3.49 6.21 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -18.0 -14.0 -2.0 4.8 9.8 13.5 21.2 19.4 8.4 4.5 -5.0 -5.2 -18.0 DAY 9 5 30 1 12 1 7 21 23 25 22 6 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 3.8 17.6 23.2 30.2 37.5 38.1 40.6 42.3 39.8 33.0 22.2 16.2 42.3 DAY 26 28 24 28 24 19 30 8 1 5 27 11 24 HOUR MAXIMUM PRECIPITATION IN MM. 0.8 0.7 6.6 5.2 6.0 1.1 0.0 3.0 5.0 11.5 8.0 1.0 11.5 DAY 3 18 29 13 5 8 ** 17 18 21 11 1 MONTHLY TOTAL PRECIPITATION IN MM. 1.4 1.0 20.3 11.5 19.0 1.9 0.0 3.0 11.7 17.8 19.4 2.8 109.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 20.7 29.5 13.4 36.4 NO. OF DAYS WITH PRECIPITATION. 2 2 10 4 8 4 0 1 6 8 9 4 58 NO. OF DAYS PRECIPITATION EQUAL 0 0 7 3 5 1 0 1 4 2 6 1 30 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 0 0 0 0 0 0 1 0 0 1 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 82 79 81 74 65 59 47 55 68 75 82 83 71 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 68 55 51 37 36 38 28 30 35 44 58 61 45 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 72 57 46 31 34 34 29 29 33 47 61 59 44 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 30 23 0 0 0 0 0 0 0 0 1 9 63 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 13 31 26 7 0 0 0 77 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 18 5 0 0 0 0 0 0 0 0 0 0 23 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 2 9 28 31 30 14 2 0 0 116 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 2 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. 31 27 3 0 0 0 0 0 0 0 6 22 89 DATE OF START AND END FREEZING START = 19 NOV. END = 30 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. -4.9 0.7 8.4 13.8 19.1 26.3 29.3 27.5 24.9 16.0 10.7 3.1 14.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -9.1 -3.4 2.2 8.3 12.6 19.3 23.5 21.9 17.5 9.6 4.5 -0.8 8.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. -0.8 4.8 14.6 19.3 25.6 33.2 35.1 33.1 32.4 22.4 16.9 7.0 20.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.3 8.2 12.4 11.0 13.0 13.9 11.6 11.2 14.9 12.8 12.4 7.8 11.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.21 2.84 3.67 6.57 7.57 8.77 9.39 9.65 7.74 6.80 4.66 3.75 6.13 MEAN OF MIXING RATIO AT 09 GMT. 2.49 3.23 4.12 6.07 6.66 7.31 10.13 9.37 7.13 6.85 5.01 4.01 6.03 MEAN OF MIXING RATIO AT 15 GMT. 2.21 2.88 3.60 5.40 6.10 6.84 9.36 9.25 6.31 6.49 4.63 3.77 5.57 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -15.8 -13.2 -6.8 -0.4 6.8 15.5 18.6 18.4 12.6 4.0 -2.0 -7.6 -15.8 DAY 11 1 18 4 3 18 1 1 23 16 14 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 8.3 17.0 20.6 28.6 34.6 39.7 40.2 37.5 38.0 29.5 24.6 17.4 40.2 DAY 2 17 23 27 31 3 22 4 13 11 3 5 24 HOUR MAXIMUM PRECIPITATION IN MM. 7.0 1.9 5.3 7.6 8.0 4.2 0.0 0.5 0.0 10.0 2.2 7.4 10.0 DAY 4 3 6 1 11 14 ** 10 ** 1 27 10 MONTHLY TOTAL PRECIPITATION IN MM. 16.3 2.3 9.5 44.2 24.2 8.3 0.0 0.5 0.0 34.1 3.4 8.7 151.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 18.5 50.6 0.3 30.5 NO. OF DAYS WITH PRECIPITATION. 7 2 5 16 7 3 0 1 0 8 5 5 59 NO. OF DAYS PRECIPITATION EQUAL 4 1 4 13 5 2 0 0 0 4 1 1 35 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 0 0 0 0 0 0 2 0 0 2 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 86 81 70 85 71 54 46 53 56 81 77 88 71 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 72 64 45 49 37 26 32 33 28 47 47 67 46 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 74 61 39 44 35 25 29 33 24 47 47 66 44 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 24 12 2 0 0 0 0 0 0 0 0 9 47 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 7 26 23 2 0 0 0 58 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 21 5 0 0 0 0 0 0 0 0 0 3 29 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 6 25 30 28 25 0 0 0 114 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 0 0 0 0 0 2 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 25 10 1 0 0 0 0 0 0 3 16 83 DATE OF START AND END FREEZING START = 14 NOV. END = 4 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. -0.6 1.6 8.4 16.5 19.4 25.3 29.7 28.7 23.8 18.2 8.3 1.9 15.1 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.5 -4.2 3.4 10.3 13.1 19.0 23.8 23.3 17.2 12.2 3.7 -1.0 9.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.2 7.3 13.4 22.8 25.7 31.6 35.7 34.1 30.4 24.2 12.9 4.8 20.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.7 11.5 10.0 12.5 12.6 12.6 11.9 10.8 13.2 12.0 9.2 5.8 11.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.47 2.53 4.19 6.91 6.87 9.08 9.45 10.05 8.13 7.05 5.15 3.53 6.28 MEAN OF MIXING RATIO AT 09 GMT. 2.91 2.95 4.25 6.28 5.72 7.57 8.04 9.51 7.70 7.19 5.82 3.73 5.97 MEAN OF MIXING RATIO AT 15 GMT. 2.58 2.51 3.84 5.25 5.05 7.69 7.88 9.51 7.01 6.94 5.76 3.67 5.64 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.0 -11.0 -5.6 5.0 9.8 12.5 19.2 19.2 11.0 8.0 -0.6 -6.0 -12.0 DAY 25 12 11 6 25 8 15 14 28 18 24 18 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.6 16.6 25.2 29.8 31.5 37.5 41.4 41.2 38.0 29.4 16.5 16.6 41.4 DAY 6 27 29 24 27 28 6 4 2 6 1 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 1.4 1.3 12.0 14.3 5.6 5.6 2.2 2.6 0.3 11.0 8.4 16.0 16.0 DAY 23 26 24 18 14 21 27 12 21 21 2 9 MONTHLY TOTAL PRECIPITATION IN MM. 1.4 2.0 23.6 33.3 20.2 10.3 4.1 2.8 0.3 16.0 29.3 39.7 183.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 14.8 34.9 3.9 46.4 NO. OF DAYS WITH PRECIPITATION. 1 3 9 10 9 5 4 2 1 4 6 9 63 NO. OF DAYS PRECIPITATION EQUAL 1 1 6 5 5 3 2 1 0 4 5 6 39 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 1 0 0 0 0 0 1 0 2 5 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 84 72 75 80 64 59 47 51 60 72 95 86 70 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 63 49 49 45 33 29 25 31 32 43 69 72 45 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 59 42 44 34 30 29 24 32 29 44 71 75 43 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 21 15 1 0 0 0 0 0 0 0 0 6 43 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 9 26 24 3 0 0 0 62 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 6 2 0 0 0 0 0 0 0 0 0 3 11 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 5 19 30 27 13 0 0 0 94 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 3 2 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. 30 22 8 0 0 0 0 0 0 0 3 22 85 DATE OF START AND END FREEZING START = 23 NOV. END = 16 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. -3.5 0.5 5.8 13.5 17.3 22.7 27.3 25.8 22.0 16.1 7.8 2.1 13.1 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.1 -3.8 0.1 6.6 11.3 16.5 21.4 19.8 15.5 8.1 2.8 -1.4 7.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 0.2 4.7 11.4 20.3 23.3 28.8 33.2 31.8 28.6 24.2 12.7 5.6 18.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.3 8.5 11.3 13.7 12.0 12.3 11.8 12.0 13.1 16.1 9.9 7.0 11.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.28 2.56 3.37 5.06 7.03 10.24 10.10 9.23 7.91 5.24 4.46 3.31 5.90 MEAN OF MIXING RATIO AT 09 GMT. 2.51 2.67 3.64 4.77 5.99 8.92 9.28 8.24 7.25 5.38 4.78 3.59 5.59 MEAN OF MIXING RATIO AT 15 GMT. 2.24 2.56 3.26 4.21 5.83 8.73 9.26 7.61 6.68 4.86 4.75 3.29 5.27 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -16.0 -10.4 -6.4 0.0 0.0 11.5 14.0 16.0 7.0 3.4 -5.0 -8.5 -16.0 DAY 18 11 12 3 5 8 11 12 28 16 28 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.0 14.6 21.2 27.0 34.0 35.4 39.5 39.7 35.8 30.2 23.0 11.6 39.7 DAY 1 19 29 21 29 30 17 24 3 9 6 16 24 HOUR MAXIMUM PRECIPITATION IN MM. 4.8 5.0 2.3 14.4 6.4 14.7 15.0 1.0 2.0 3.1 26.0 4.0 26.0 DAY 16 21 7 5 21 6 9 9 13 15 7 16 MONTHLY TOTAL PRECIPITATION IN MM. 5.4 15.2 5.1 26.1 15.4 62.8 16.5 2.5 4.2 5.1 32.9 4.6 195.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 13.1 53.3 11.8 21.8 NO. OF DAYS WITH PRECIPITATION. 4 5 5 5 13 13 2 3 5 2 8 5 70 NO. OF DAYS PRECIPITATION EQUAL 1 4 2 4 4 10 2 2 2 2 3 1 37 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 1 0 2 1 0 0 0 1 0 5 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 84 78 76 75 72 77 56 58 66 69 82 82 73 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 69 54 46 38 36 40 32 31 33 35 60 64 45 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 66 54 42 34 38 44 33 29 33 33 63 62 44 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 26 14 6 0 0 0 0 0 0 0 1 7 54 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 23 9 2 0 0 0 35 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 16 2 0 0 0 0 0 0 0 0 0 0 18 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 3 15 27 20 12 2 0 0 79 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. 30 26 17 1 1 0 0 0 0 0 6 19 100 DATE OF START AND END FREEZING START = 9 NOV. END = 5 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. -5.1 -1.5 5.3 13.5 18.1 24.1 28.0 27.9 23.5 14.8 3.9 -0.0 12.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -9.6 -4.7 -0.7 7.3 12.0 17.3 22.1 21.9 15.9 7.8 1.3 -1.8 7.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. -0.5 1.6 11.4 19.7 24.1 31.0 33.9 33.8 31.0 21.9 6.4 1.7 18.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.1 6.3 12.1 12.4 12.1 13.7 11.8 11.9 15.1 14.1 5.1 3.5 10.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.11 2.62 3.36 5.47 8.35 9.42 9.65 10.08 7.92 5.29 4.13 3.37 5.98 MEAN OF MIXING RATIO AT 09 GMT. 2.61 2.81 3.43 4.86 7.45 8.02 8.49 9.20 8.11 5.65 4.24 3.66 5.71 MEAN OF MIXING RATIO AT 15 GMT. 2.39 2.80 3.25 4.88 7.31 7.11 8.87 9.04 7.01 5.22 4.25 3.46 5.47 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -19.6 -11.6 -7.8 -2.0 5.4 11.7 16.4 18.6 8.8 1.6 -6.0 -4.8 -19.6 DAY 17 6 4 23 1 22 12 29 25 30 14 20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.0 8.0 24.5 29.2 29.5 39.0 40.3 37.6 37.8 29.5 18.2 7.0 40.3 DAY 29 8 30 18 30 27 24 30 3 1 8 26 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.0 1.4 8.0 12.0 14.4 16.0 1.0 0.7 0.0 14.0 17.0 2.0 17.0 DAY 8 3 3 2 6 21 12 20 ** 31 11 2 MONTHLY TOTAL PRECIPITATION IN MM. 17.6 6.0 18.2 36.2 59.0 33.3 1.8 1.0 0.0 21.9 50.7 3.5 249.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 16.8 51.6 1.1 30.5 NO. OF DAYS WITH PRECIPITATION. 10 8 6 12 12 9 2 2 0 3 13 6 83 NO. OF DAYS PRECIPITATION EQUAL 5 3 5 9 10 4 1 0 0 3 10 2 52 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 1 2 2 0 0 0 1 2 0 8 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 84 82 79 74 82 68 51 55 63 71 84 88 73 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 76 66 47 40 45 36 29 31 34 41 71 85 50 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 78 73 46 42 46 30 30 30 30 41 74 84 50 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 25 16 5 0 0 0 0 0 0 0 3 1 50 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 3 19 24 1 0 0 0 47 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 20 9 0 0 0 0 0 0 0 0 1 8 38 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 19 26 30 18 0 0 0 93 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. 31 28 19 2 0 0 0 0 0 0 15 28 123 DATE OF START AND END FREEZING START = 12 NOV. END = 24 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. 1.4 1.0 8.6 16.3 19.8 23.9 27.2 27.9 23.2 16.6 9.2 -2.1 14.4 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.9 -2.9 2.7 9.5 13.2 17.7 21.7 22.3 16.5 10.7 4.7 -5.0 9.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.7 5.0 14.6 23.1 26.5 30.2 32.7 33.4 30.0 22.5 13.7 0.8 19.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.6 7.9 11.9 13.6 13.3 12.5 11.0 11.1 13.5 11.8 9.0 5.8 10.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.43 2.98 4.22 6.91 9.00 9.46 9.31 10.12 7.20 6.70 5.28 2.77 6.45 MEAN OF MIXING RATIO AT 09 GMT. 3.83 3.04 4.23 7.01 7.72 8.39 8.63 9.29 6.58 6.75 5.59 3.01 6.17 MEAN OF MIXING RATIO AT 15 GMT. 3.69 2.93 4.15 6.56 7.51 7.76 9.08 9.66 6.15 6.73 5.78 2.92 6.08 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -5.4 -6.8 -3.0 3.8 8.4 11.3 17.2 18.6 12.4 7.2 -1.4 -14.8 -14.8 DAY 28 4 3 3 7 28 1 25 22 10 30 7 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.2 13.0 24.4 29.5 33.4 38.7 35.8 37.5 34.2 28.4 21.6 8.0 38.7 DAY 31 26 29 21 26 16 20 16 18 5 1 18 24 HOUR MAXIMUM PRECIPITATION IN MM. 15.0 3.1 17.5 30.0 14.1 11.0 0.2 4.0 0.3 7.0 7.0 7.0 30.0 DAY 2 13 7 1 5 26 9 30 8 19 30 1 MONTHLY TOTAL PRECIPITATION IN MM. 29.7 10.0 23.8 66.9 45.0 22.5 0.2 4.6 0.6 27.3 24.9 17.5 273.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 23.3 49.2 2.0 25.5 NO. OF DAYS WITH PRECIPITATION. 9 6 8 13 12 5 1 2 2 10 11 6 85 NO. OF DAYS PRECIPITATION EQUAL 5 4 3 7 8 3 0 1 0 7 8 4 50 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 1 3 1 1 0 0 0 0 0 0 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 89 81 80 84 83 65 52 55 56 76 85 85 74 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 76 61 49 50 42 36 31 32 28 46 63 73 49 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 77 61 48 45 42 34 32 33 26 49 70 79 50 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 8 12 0 0 0 0 0 0 0 0 0 13 33 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 3 24 25 3 0 0 0 55 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 5 0 0 0 0 0 0 0 0 0 10 15 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 10 17 30 30 19 0 0 0 106 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. 25 24 5 0 0 0 0 0 0 0 1 28 83 DATE OF START AND END FREEZING START = 30 NOV. END = 17 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. 1.6 4.1 9.2 14.9 21.0 25.4 28.3 29.2 23.4 15.0 9.7 2.0 15.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.5 -0.4 2.2 8.2 13.7 18.4 22.8 22.9 17.0 8.6 2.9 -3.9 9.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.6 8.5 16.2 21.6 28.3 32.4 33.8 35.4 29.8 21.4 16.4 7.9 21.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.1 8.9 14.0 13.4 14.6 14.0 11.0 12.5 12.8 12.8 13.5 11.8 12.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.22 3.49 3.97 5.90 7.38 9.11 9.38 9.82 8.98 5.74 4.15 2.61 6.15 MEAN OF MIXING RATIO AT 09 GMT. 3.66 3.63 4.12 5.21 6.12 7.14 8.73 9.09 8.26 5.79 4.36 3.04 5.76 MEAN OF MIXING RATIO AT 15 GMT. 3.46 3.50 3.91 4.87 6.13 6.95 8.95 8.73 7.94 5.59 4.34 2.79 5.60 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -9.2 -4.6 -3.6 2.2 7.0 15.0 17.0 19.6 9.6 3.8 -4.2 -10.0 -10.0 DAY 23 28 2 6 10 8 3 12 30 19 30 19 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.0 14.6 23.2 26.6 34.2 39.6 37.8 40.6 37.4 30.6 23.2 15.8 40.6 DAY 30 28 24 28 24 21 15 12 8 3 23 29 24 HOUR MAXIMUM PRECIPITATION IN MM. 3.0 5.0 12.1 2.0 12.2 14.1 2.3 0.0 14.0 0.0 5.7 0.1 14.1 DAY 16 8 17 5 2 7 7 ** 29 ** 3 14 MONTHLY TOTAL PRECIPITATION IN MM. 5.9 5.4 19.8 10.1 16.0 27.0 4.6 0.0 58.2 0.0 9.9 0.1 157.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 19.8 33.8 40.0 6.4 NO. OF DAYS WITH PRECIPITATION. 5 3 6 9 8 9 3 0 7 0 3 1 54 NO. OF DAYS PRECIPITATION EQUAL 2 1 4 5 2 5 2 0 6 0 3 0 30 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 0 1 1 0 0 3 0 0 0 6 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 84 78 77 67 61 50 51 70 74 76 79 71 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 72 61 44 36 29 28 29 29 40 42 44 52 42 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 71 58 42 34 31 27 30 27 38 42 50 52 42 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 12 3 0 0 0 0 0 0 0 0 2 16 33 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 24 26 7 0 0 0 61 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 3 0 0 0 0 0 0 0 0 0 0 0 3 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 12 24 29 31 17 1 0 0 114 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 2 0 0 0 0 2 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 15 7 0 0 0 0 0 0 0 11 26 85 DATE OF START AND END FREEZING START = 12 NOV. END = 27 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. 1.3 4.5 7.9 13.5 22.0 25.1 29.8 29.1 24.3 16.5 8.2 7.4 15.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.9 -1.0 2.7 7.6 15.2 18.9 23.4 22.7 17.1 10.2 1.8 2.4 9.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.4 10.1 13.1 19.4 28.9 31.2 36.3 35.5 31.4 22.8 14.6 12.4 21.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.3 11.1 10.4 11.8 13.7 12.3 12.9 12.8 14.3 12.6 12.8 10.0 11.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.95 2.84 3.85 5.41 8.11 7.31 10.03 9.48 8.62 6.17 4.12 4.37 6.10 MEAN OF MIXING RATIO AT 09 GMT. 3.36 3.43 4.08 4.94 6.96 6.45 9.17 8.40 7.86 6.00 4.80 4.69 5.84 MEAN OF MIXING RATIO AT 15 GMT. 3.09 3.07 4.00 4.75 6.30 6.34 9.67 8.32 7.01 5.82 4.52 4.62 5.63 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -10.8 -11.6 -4.2 1.2 9.4 12.6 18.6 18.2 10.6 2.6 -3.8 -3.4 -11.6 DAY 16 4 1 6 2 9 9 30 21 31 18 21 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 13.6 19.2 18.4 27.8 34.8 40.6 42.2 43.6 35.6 28.0 18.4 19.0 43.6 DAY 1 9 6 29 28 29 24 21 7 24 23 26 24 HOUR MAXIMUM PRECIPITATION IN MM. 1.2 2.0 14.0 7.0 5.0 0.7 2.0 0.8 10.0 3.8 5.0 2.0 14.0 DAY 30 12 26 12 18 1 8 16 22 14 6 14 MONTHLY TOTAL PRECIPITATION IN MM. 1.9 2.3 22.8 16.9 13.8 1.3 4.3 0.8 12.7 6.8 5.3 5.2 94.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 28.7 34.0 18.9 18.4 NO. OF DAYS WITH PRECIPITATION. 5 2 6 9 10 3 4 1 6 3 2 5 56 NO. OF DAYS PRECIPITATION EQUAL 1 1 5 5 7 0 3 0 1 3 1 3 30 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 0 0 0 0 0 1 0 0 0 2 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 79 69 73 75 68 48 50 50 65 72 83 81 68 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 63 51 48 41 33 26 28 27 32 40 52 59 42 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 59 44 48 39 30 25 30 26 29 40 53 60 40 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 12 5 1 0 0 0 0 0 0 0 0 0 18 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 8 27 23 1 0 0 0 59 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 11 20 31 29 23 0 0 0 114 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 2 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. 23 17 7 0 0 0 0 0 0 0 11 9 67 DATE OF START AND END FREEZING START = 12 NOV. END = 22 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. 3.3 0.1 4.9 15.0 21.1 25.6 28.3 29.5 21.3 18.0 8.1 2.4 14.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.7 -5.5 -0.6 8.5 14.3 18.7 22.6 23.1 14.2 11.2 1.6 -1.2 8.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.4 5.7 10.4 21.5 27.9 32.5 34.1 35.8 28.3 24.9 14.5 6.1 20.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.1 11.2 11.0 13.0 13.6 13.8 11.5 12.7 14.1 13.7 12.9 7.3 12.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.85 2.33 3.23 4.76 7.65 9.64 11.31 10.17 7.61 6.79 4.27 3.41 6.17 MEAN OF MIXING RATIO AT 09 GMT. 3.10 2.54 3.18 4.27 6.65 8.41 10.13 9.26 7.51 6.93 4.85 3.71 5.88 MEAN OF MIXING RATIO AT 15 GMT. 3.03 2.44 3.16 3.97 6.15 7.85 10.23 9.03 7.11 6.48 4.96 3.68 5.67 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -9.4 -14.2 -9.6 -1.4 9.4 12.6 16.4 20.8 8.4 4.0 -3.2 -9.8 -14.2 DAY 29 7 8 12 6 3 7 25 15 31 29 22 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.8 16.0 19.2 34.8 35.2 37.0 38.6 41.0 37.6 30.8 18.6 16.4 41.0 DAY 5 18 31 25 30 11 10 12 2 16 17 7 24 HOUR MAXIMUM PRECIPITATION IN MM. 7.0 5.4 7.1 11.0 4.1 8.0 18.1 0.0 3.2 3.0 2.0 5.0 18.1 DAY 16 5 6 28 22 29 5 ** 13 6 5 10 MONTHLY TOTAL PRECIPITATION IN MM. 10.0 7.0 14.2 19.0 7.5 24.5 26.1 0.0 6.1 6.0 6.8 12.3 139.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 22.4 36.6 23.1 18.0 NO. OF DAYS WITH PRECIPITATION. 2 4 6 7 6 14 4 0 4 8 6 5 66 NO. OF DAYS PRECIPITATION EQUAL 2 1 5 4 3 3 3 0 2 2 4 4 33 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 1 0 0 1 0 0 0 0 0 2 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 71 74 76 59 66 62 60 52 68 73 85 83 69 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 48 47 47 29 32 31 35 28 37 40 53 66 41 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 49 51 45 26 31 30 33 28 38 39 58 70 42 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 12 14 6 0 0 0 0 0 0 0 0 6 38 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 7 27 30 0 0 0 0 64 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 5 1 0 0 0 0 0 0 0 0 7 13 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 3 9 27 28 31 9 3 0 0 110 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 2 0 0 0 0 2 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. 22 23 18 1 0 0 0 0 0 0 9 22 95 DATE OF START AND END FREEZING START = 7 NOV. END = 12 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. -0.3 0.8 9.4 16.5 20.9 28.1 29.7 29.5 23.7 17.0 11.6 5.8 16.1 AVERAGE OF MINIMUM TEMPERATURE IN C. -4.0 -4.5 3.0 9.8 14.5 21.7 23.7 23.0 16.8 9.5 5.1 0.1 9.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.3 6.1 15.8 23.2 27.3 34.6 35.7 36.0 30.6 24.6 18.0 11.4 22.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.3 10.6 12.8 13.4 12.8 12.9 12.0 13.0 13.8 15.1 12.9 11.3 12.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.92 2.42 3.77 5.99 8.62 9.91 9.59 10.63 8.83 5.74 4.41 3.65 6.37 MEAN OF MIXING RATIO AT 09 GMT. 3.21 2.59 3.61 5.49 7.80 8.67 8.68 9.97 8.91 5.88 5.06 4.04 6.16 MEAN OF MIXING RATIO AT 15 GMT. 2.98 2.36 3.55 5.21 7.85 8.43 8.81 9.58 7.93 5.86 4.87 3.83 5.94 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -8.6 -9.2 -6.2 3.6 7.6 15.6 20.0 18.4 12.2 4.6 0.6 -5.0 -9.2 DAY 10 10 2 2 4 2 8 1 29 25 25 26 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 8.4 13.6 24.4 33.2 34.6 42.8 40.4 43.8 40.0 30.8 24.8 26.0 43.8 DAY 14 7 29 15 7 23 17 30 1 1 1 10 24 HOUR MAXIMUM PRECIPITATION IN MM. 1.6 5.0 10.0 4.0 10.0 26.0 1.0 0.2 1.0 9.0 2.0 2.0 26.0 DAY 27 8 31 17 12 1 31 2 14 1 29 1 MONTHLY TOTAL PRECIPITATION IN MM. 3.7 5.8 18.7 15.9 39.1 26.1 1.8 0.2 2.6 11.0 2.7 4.3 131.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 21.4 61.5 3.5 13.6 NO. OF DAYS WITH PRECIPITATION. 5 3 7 11 16 2 4 1 5 2 4 4 64 NO. OF DAYS PRECIPITATION EQUAL 2 1 3 6 9 1 1 0 2 2 1 2 30 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 0 1 1 0 0 0 0 0 0 3 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 88 75 68 71 75 55 47 55 67 67 70 79 68 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 70 48 37 36 40 29 26 31 37 36 47 54 41 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 68 42 35 33 40 28 27 29 34 37 49 55 40 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 16 15 3 0 0 0 0 0 0 0 0 6 40 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 21 28 28 3 0 0 0 80 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 4 0 0 0 0 0 0 0 0 0 0 0 4 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 4 8 27 31 31 16 3 0 0 120 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 1 5 1 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. 28 25 9 0 0 0 0 0 0 0 0 15 77 DATE OF START AND END FREEZING START = 5 DEC. END = 27 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. 3.2 7.1 9.8 14.6 19.5 26.1 29.1 30.9 23.1 17.0 8.5 3.5 16.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.1 0.2 3.6 8.5 12.7 19.3 23.3 24.1 16.6 10.1 3.3 -2.2 9.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.5 13.9 16.0 20.7 26.3 32.8 34.9 37.7 29.7 24.0 13.6 9.2 22.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.6 13.7 12.4 12.2 13.6 13.5 11.6 13.6 13.1 13.9 10.3 11.4 12.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.91 2.93 4.17 5.74 8.15 8.66 8.67 11.18 9.17 6.53 4.67 3.20 6.33 MEAN OF MIXING RATIO AT 09 GMT. 3.35 3.23 3.94 5.19 7.26 8.00 7.81 10.22 8.87 6.54 4.83 3.70 6.08 MEAN OF MIXING RATIO AT 15 GMT. 3.22 2.94 3.78 5.12 6.98 7.82 8.25 9.73 8.18 6.30 5.09 3.74 5.93 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -7.6 -7.4 -0.2 2.8 6.0 15.6 18.4 17.8 9.8 4.0 -2.8 -5.4 -7.6 DAY 4 5 2 10 20 9 13 30 23 27 28 3 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.0 18.0 21.6 27.0 33.6 40.2 40.0 42.2 36.6 33.0 19.2 17.2 42.2 DAY 31 3 8 20 29 24 31 3 2 2 20 30 24 HOUR MAXIMUM PRECIPITATION IN MM. 0.1 12.0 17.7 15.0 19.0 5.0 0.3 0.7 1.0 17.0 8.0 0.6 19.0 DAY 6 20 12 29 20 8 16 18 13 24 26 15 MONTHLY TOTAL PRECIPITATION IN MM. 0.1 13.1 35.1 41.2 69.5 10.4 0.4 1.1 1.9 36.4 11.1 0.6 220.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 21.9 54.8 1.5 21.8 NO. OF DAYS WITH PRECIPITATION. 1 3 10 9 11 5 2 3 4 4 3 1 56 NO. OF DAYS PRECIPITATION EQUAL 0 2 7 7 9 3 0 0 1 3 2 0 34 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 1 1 4 0 0 0 0 2 0 0 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 78 64 75 75 78 55 43 55 70 77 85 87 70 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 54 39 41 40 41 29 25 29 39 45 54 58 41 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 54 36 37 38 39 29 26 28 36 45 62 63 41 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 11 3 0 0 0 0 0 0 0 0 0 7 21 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 5 24 27 1 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 8 26 29 31 14 6 0 0 114 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 1 8 0 0 0 0 10 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 16 1 0 0 0 0 0 0 0 5 25 70 DATE OF START AND END FREEZING START = 13 NOV. END = 2 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. 1.3 2.1 7.0 17.5 20.4 26.4 31.9 29.7 24.0 15.0 7.9 4.1 15.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -3.2 -3.2 0.5 10.4 13.7 19.7 25.5 23.2 17.3 9.0 2.0 0.7 9.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.7 7.3 13.6 24.6 27.0 33.2 38.3 36.2 30.7 21.0 13.9 7.5 21.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.9 10.5 13.1 14.2 13.3 13.5 12.8 13.0 13.4 12.0 11.9 6.8 11.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.99 2.97 3.42 6.66 7.58 8.35 9.66 9.61 9.55 6.22 4.39 3.87 6.27 MEAN OF MIXING RATIO AT 09 GMT. 3.24 3.28 3.54 6.32 7.36 7.59 8.72 8.97 9.06 6.47 4.84 4.08 6.12 MEAN OF MIXING RATIO AT 15 GMT. 3.18 3.25 3.31 5.98 7.48 7.45 8.91 8.74 8.45 6.16 4.55 4.18 5.97 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -10.0 -7.8 -8.0 4.4 7.4 10.0 22.2 19.0 12.6 4.6 -2.4 -4.2 -10.0 DAY 17 8 15 1 11 13 4 30 30 16 27 30 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.6 16.6 21.4 30.6 34.0 40.4 42.6 43.2 37.0 29.8 18.8 14.0 43.2 DAY 26 23 19 14 26 4 30 2 7 11 4 17 24 HOUR MAXIMUM PRECIPITATION IN MM. 3.0 7.0 5.2 14.0 7.0 1.0 0.0 0.0 7.0 12.0 2.0 6.4 14.0 DAY 7 14 25 21 20 1 ** ** 11 25 23 26 MONTHLY TOTAL PRECIPITATION IN MM. 7.1 14.6 9.9 32.0 25.3 1.0 0.0 0.0 12.0 13.4 4.4 9.4 129.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 24.5 45.2 9.3 21.1 NO. OF DAYS WITH PRECIPITATION. 7 9 5 8 9 1 0 0 3 4 5 7 58 NO. OF DAYS PRECIPITATION EQUAL 3 6 3 5 5 1 0 0 3 1 2 1 30 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 1 0 0 0 0 0 1 0 0 2 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 82 84 72 74 67 51 42 49 68 76 86 81 69 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 62 58 42 37 38 28 23 27 38 47 55 66 43 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 64 56 38 37 39 25 23 26 36 48 55 70 43 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 9 11 2 0 0 0 0 0 0 0 0 1 23 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 10 31 27 0 0 0 0 68 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 1 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 9 25 31 31 21 0 0 0 118 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 10 4 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. 28 28 14 0 0 0 0 0 0 0 11 11 92 DATE OF START AND END FREEZING START = 10 NOV. END = 27 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. -0.1 2.2 7.9 15.3 20.3 25.4 29.0 28.5 23.5 16.3 8.7 3.4 15.0 SD OF MEAN DAILY TEMPERATURE IN C. 3.70 3.32 2.28 1.91 1.66 1.88 1.66 1.38 1.40 1.59 1.76 2.16 2.06 AVERAGE OF MINIMUM TEMPERATURE IN C. -4.6 -2.8 2.0 8.7 13.6 18.7 22.8 22.0 16.1 9.5 2.9 -1.1 9.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.7 7.3 14.0 21.8 27.0 32.1 35.3 34.9 30.8 23.1 14.4 7.8 21.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.1 9.9 11.9 13.2 13.5 13.4 12.6 13.0 14.7 13.5 11.6 8.9 12.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.73 3.03 3.98 6.04 8.16 9.52 10.13 10.14 8.66 6.53 4.54 3.49 6.41 MEAN OF MIXING RATIO AT 09 GMT. 3.44 3.60 4.38 5.93 7.51 8.82 9.88 9.85 8.77 7.04 5.28 3.99 6.54 MEAN OF MIXING RATIO AT 15 GMT. 3.15 3.33 4.18 5.73 7.16 8.38 9.60 9.36 8.14 6.76 5.17 3.82 6.23 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -28.5 -24.5 -19.6 -2.0 0.0 8.0 13.5 10.5 7.0 -4.0 -6.0 -15.0 -28.5 YEAR - DAY 72-26 72- 3 85- 3 93-23 92- 5 86-22 67-10 67- 1 80-19 77-23 87-30 85-31 72-26 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 22.0 23.5 29.5 34.8 37.5 42.8 44.0 44.0 41.5 35.2 27.0 26.0 44.0 YEAR - DAY 79- 4 79-14 70-31 97-25 74-22 98-23 78-17 77-25 79- 2 70- 1 74- 1 98-10 77-25 24 HOUR MAXIMUM PRECIPITATION IN MM. 27.0 16.5 24.3 30.0 52.0 31.1 29.0 13.7 20.7 37.0 26.0 23.5 52.0 YEAR - DAY 68-22 73-23 85-24 94- 1 75- 5 88-19 74- 7 70-18 66-13 66- 1 92- 7 85-29 75- 5 MONTHLY TOTAL PRECIPITATION IN MM. 12.8 11.4 22.6 32.6 34.9 22.3 5.7 4.5 7.9 19.9 19.4 14.6 208.6 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 22.4 43.1 8.6 25.8 NO. OF DAYS WITH PRECIPITATION. 4 4 6 9 10 6 2 2 2 5 5 5 60 NO. OF DAYS PRECIPITATION EQUAL 3 3 4 7 7 4 1 1 2 3 4 3 42 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 1 1 1 0 0 0 1 0 0 5 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 83 81 77 75 72 62 51 55 66 77 84 84 72 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 69 61 48 41 38 33 30 31 35 45 56 64 46 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 71 63 51 44 41 35 32 32 37 51 64 70 49 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 16 10 2 0 0 0 0 0 0 0 1 7 36 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 8 25 22 2 0 0 0 57 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 7 3 0 0 0 0 0 0 0 0 0 2 12 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 9 23 30 29 19 2 0 0 113 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 3 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. 26 20 9 0 0 0 0 0 0 0 7 18 80 DATE OF START AND END FREEZING START = 23 OCT. END = 5 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION JOLFA LATITUDE 38 56 N DATA PROCESSING CENTER LONGITUDE 45 38 E ELEVATION 704 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. -0.2 2.2 8.2 15.4 20.5 25.7 29.3 28.6 23.7 16.1 8.4 3.1 15.1 AVERAGE DEW POINT TEMPERATURE. IN C. -4.7 -3.8 -0.5 4.5 8.3 10.7 12.3 12.2 10.0 6.6 2.2 -1.7 4.7 AVERAGE OF MIXING RATIO IN G/KG 3.07 3.29 4.17 5.89 7.61 8.90 9.86 9.78 8.52 6.77 4.99 3.76 6.38 AVERAGE OF VAPOUR PRESSURE HPA 4.55 4.89 6.19 8.74 11.27 13.19 14.61 14.48 12.62 10.04 7.41 5.59 9.47 AVERAGE OF SATURATION DEFICIT IN HPA 1.93 2.86 5.52 10.00 14.20 21.55 27.73 26.23 18.41 9.41 4.26 2.45 12.05 AVERAGE RELATIVE HUMIDITY IN PERCENT 74 68 59 53 50 43 38 39 46 58 68 73 56 AVERAGE OF MAXIMUM RELATIVE HUMIDITY(%) 85 83 78 76 73 62 52 55 67 77 85 85 73 AVERAGE OF MINIMUM RELATIVE HUMIDITY(%) 65 56 44 37 35 30 28 29 32 43 54 62 43 NO. OF DAYS PRECIPITATION EQUAL 1 1 2 2 3 2 0 0 1 1 1 1 15 OR MORE THAN 5 MM.