IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 1 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. AVERAGE OF MEAN DAILY TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MAX-MIN 1961 6.7 6.3 8.5 12.6 20.3 24.0 25.8 24.6 19.9 15.9 13.3 9.8 19.5 1962 6.2 7.7 10.8 13.0 18.2 21.5 26.3 24.8 21.6 16.1 11.9 9.4 20.1 1963 7.7 7.8 7.7 12.9 17.8 21.8 25.2 24.0 22.0 16.9 11.2 6.0 19.2 1964 2.4 4.4 7.4 11.1 18.1 23.1 24.1 23.3 20.6 15.7 12.5 5.6 21.7 1965 4.1 5.9 7.8 10.6 17.2 22.5 24.6 24.3 20.4 13.8 11.4 9.8 20.5 1966 9.0 8.2 9.9 14.5 17.3 22.7 25.8 26.4 21.0 16.4 13.3 9.8 18.2 1967 7.4 3.3 7.3 11.6 18.5 21.2 24.7 25.4 20.5 17.1 12.6 7.9 22.1 1968 7.5 5.2 7.8 11.6 19.5 20.7 24.0 24.8 21.8 17.9 12.3 7.7 19.6 1969 1.7 0.6 5.3 10.5 16.6 22.7 23.7 24.1 20.6 15.2 9.8 9.4 23.5 1970 6.3 8.6 9.4 14.2 19.1 22.2 25.7 25.6 20.7 16.0 13.2 7.1 19.4 1971 4.0 6.6 9.2 11.6 19.4 23.0 27.0 25.6 23.6 17.3 13.0 8.7 23.0 1972 0.2 0.2 5.0 14.3 18.1 24.0 27.2 25.6 22.9 19.4 13.6 5.2 27.0 1973 1.8 7.2 8.0 13.5 17.8 22.9 25.4 25.7 20.2 17.5 10.5 6.0 23.9 1974 3.3 3.6 7.9 11.8 19.6 23.0 23.7 23.7 20.9 18.7 13.1 7.8 20.4 1975 6.4 5.8 8.4 14.3 20.1 24.8 27.5 25.1 22.4 16.4 9.2 5.8 21.7 1976 6.1 2.3 5.3 13.9 17.9 23.3 24.8 26.7 21.8 14.5 10.4 7.1 24.4 1977 0.9 6.6 9.1 13.7 18.9 23.9 26.6 26.2 21.8 13.8 12.2 5.7 25.7 1978 5.6 5.5 9.5 12.6 16.2 ****** 24.9 24.5 23.7 17.6 8.5 8.9 ****** 1979 5.2 7.2 9.5 13.3 18.5 22.0 26.7 26.0 23.5 18.0 13.1 8.4 21.5 1980 3.6 4.6 7.5 13.1 18.1 23.1 27.3 25.4 21.2 16.1 13.5 9.7 23.7 1981 9.0 8.6 8.9 11.7 17.7 23.4 26.7 25.7 22.8 19.3 13.8 11.1 18.1 1982 5.4 3.8 6.9 ****** 18.5 22.8 26.0 24.4 22.4 15.2 9.4 5.9 ****** 1983 5.7 7.9 8.5 13.7 20.1 22.8 26.6 25.7 20.5 16.6 13.0 7.3 20.9 1984 6.8 2.4 7.2 13.7 17.7 22.8 26.8 25.9 22.6 18.6 12.6 4.7 24.4 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 6.5 5.1 5.7 13.5 16.9 22.1 25.0 25.2 22.1 16.6 10.3 7.3 20.1 1987 7.7 6.5 7.1 10.3 18.2 23.4 24.4 24.4 20.1 13.3 10.8 7.6 17.9 1988 5.2 4.8 8.5 13.7 17.3 23.6 25.8 24.3 20.9 17.5 11.3 8.5 21.0 1989 4.7 4.4 9.9 14.1 18.2 23.1 26.2 25.7 21.7 17.0 13.5 7.9 21.8 1990 4.0 6.4 8.9 12.3 16.9 22.6 25.2 24.3 22.4 16.5 13.7 7.5 21.2 1991 5.4 5.2 7.3 13.2 17.0 22.6 25.7 25.0 21.3 18.5 11.6 7.1 20.5 1992 4.6 5.5 7.1 11.9 15.5 21.9 24.2 23.0 20.5 16.5 11.9 7.4 19.6 1993 4.8 3.5 7.9 12.5 18.0 21.4 23.8 24.4 20.6 15.8 6.9 5.4 20.9 1994 5.8 3.1 8.0 13.9 18.0 20.8 23.9 24.6 21.3 16.9 11.7 5.6 21.5 1995 6.6 7.1 8.6 14.8 19.0 23.1 25.9 25.5 22.3 15.7 13.5 7.0 19.3 1996 4.9 5.8 6.8 10.8 19.3 21.8 25.7 25.3 22.1 17.0 11.8 11.2 20.8 1997 6.3 4.7 7.1 13.8 18.5 23.3 25.1 25.5 19.1 18.8 11.7 7.5 20.8 1998 5.2 4.6 8.2 14.8 19.2 25.0 25.8 26.1 21.3 17.1 12.9 9.8 21.5 1999 7.0 9.8 9.6 13.3 16.7 22.3 25.2 26.4 22.0 17.7 10.9 9.4 19.4 2000 6.3 6.4 7.5 15.9 18.0 22.1 26.4 26.8 22.5 16.2 11.4 9.0 20.5 MEAN 5.3 5.5 8.0 13.0 18.2 22.7 25.5 25.1 21.5 16.7 11.8 7.8 20.2 SD 2.02 2.13 1.32 1.35 1.10 0.97 1.08 0.92 1.08 1.45 1.59 1.67 1.39 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 2 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. AVERAGE OF MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 2.4 2.7 3.6 7.9 15.1 18.4 20.3 18.9 16.5 12.5 8.9 5.9 11.1 1962 2.4 3.9 7.6 9.5 13.9 16.6 21.0 20.2 17.2 12.1 9.2 5.4 11.6 1963 4.0 4.5 4.2 10.2 14.3 17.7 20.4 19.7 17.3 13.9 7.3 1.7 11.2 1964 -2.0 1.0 4.7 7.9 13.5 18.0 19.5 18.9 16.2 11.3 8.1 1.7 9.9 1965 1.0 1.4 4.8 7.0 12.8 17.4 19.9 19.4 16.3 10.3 6.8 5.6 10.2 1966 5.4 5.0 6.7 10.8 13.5 18.2 20.5 21.3 17.6 13.3 10.2 6.4 12.4 1967 3.1 0.3 4.3 7.7 13.9 16.0 19.6 20.2 16.6 13.2 9.1 3.2 10.6 1968 2.7 1.8 3.8 8.1 14.6 15.8 18.8 19.7 16.9 14.5 9.5 4.8 10.9 1969 -0.4 -1.8 2.9 7.2 12.6 17.6 18.9 18.9 16.3 12.3 5.8 6.0 9.7 1970 3.3 5.0 5.4 10.1 14.5 17.1 20.1 21.1 16.3 11.8 9.3 3.2 11.4 1971 -0.3 2.7 6.4 8.2 14.8 18.0 21.2 20.3 18.3 13.0 9.0 4.2 11.3 1972 -2.6 -3.3 1.2 9.5 13.6 18.3 21.4 19.3 18.7 15.5 9.3 1.9 10.2 1973 -1.9 3.4 4.4 9.6 13.3 19.0 20.6 21.4 16.2 13.4 5.4 1.6 10.5 1974 0.3 0.4 4.2 8.0 14.8 18.3 19.2 19.2 16.5 12.8 9.5 3.6 10.6 1975 2.2 1.7 3.8 9.2 15.3 19.1 21.2 19.2 17.2 12.5 5.7 1.3 10.7 1976 1.9 -1.2 2.3 9.4 13.4 17.6 19.4 21.0 17.8 11.0 6.8 4.3 10.3 1977 -1.2 3.5 6.1 9.9 13.4 18.9 21.1 20.9 17.7 9.4 8.2 3.0 10.9 1978 1.8 3.1 5.8 8.8 12.2 ****** 19.0 18.7 17.9 13.9 5.2 5.1 ****** 1979 2.0 3.4 5.3 10.0 13.7 17.3 21.4 20.0 17.5 14.3 9.5 5.1 11.6 1980 0.4 1.8 4.3 9.5 14.1 17.9 21.4 20.5 16.8 12.3 10.1 6.5 11.3 1981 4.8 4.9 5.5 8.0 13.6 18.5 21.5 21.3 17.9 14.6 8.7 7.1 12.2 1982 1.7 0.9 3.3 ****** 15.0 18.4 21.1 19.8 18.3 12.1 6.7 1.9 ****** 1983 1.5 2.8 4.1 9.8 15.6 18.7 21.6 21.1 16.4 12.5 8.7 3.5 11.4 1984 3.5 -0.1 4.6 10.8 13.6 17.9 21.5 20.7 18.3 14.9 9.5 2.5 11.5 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 3.1 2.9 3.4 10.1 13.8 17.9 20.8 20.3 17.8 14.1 8.8 2.8 11.3 1987 4.3 3.6 5.1 6.9 14.3 18.9 19.8 20.7 16.8 11.0 8.0 4.4 11.2 1988 2.6 2.1 5.7 10.0 13.8 19.5 21.4 20.6 17.7 14.5 8.0 5.4 11.8 1989 0.9 0.4 7.0 10.3 14.6 18.5 22.1 21.9 18.0 14.3 10.1 4.9 11.9 1990 0.8 3.1 5.6 9.3 13.4 18.5 21.0 20.6 18.5 13.4 10.3 5.0 11.6 1991 2.5 2.4 5.2 10.5 13.8 18.2 20.9 20.9 17.7 15.4 9.6 3.9 11.7 1992 0.8 1.6 4.3 8.9 12.3 18.5 20.3 18.9 17.3 12.6 8.5 4.9 10.7 1993 1.4 1.2 4.3 9.3 14.6 17.7 20.0 20.4 17.3 12.3 5.0 2.4 10.5 1994 2.9 0.4 5.1 10.5 14.9 17.2 19.4 20.7 16.8 13.0 8.7 2.3 11.0 1995 3.5 4.5 5.9 11.0 14.6 18.5 21.1 21.5 18.0 12.5 9.0 3.2 11.9 1996 2.9 2.8 4.5 8.2 15.3 17.8 21.0 21.1 18.8 13.5 8.8 7.5 11.9 1997 3.1 1.0 3.7 9.6 14.5 19.7 21.5 21.5 16.3 15.3 8.9 4.4 11.6 1998 2.7 1.1 5.2 11.0 15.3 20.3 21.3 21.9 18.6 13.7 10.4 7.2 12.4 1999 3.8 5.3 6.9 9.8 13.0 18.0 20.6 22.8 18.9 14.1 7.6 5.9 12.2 2000 3.2 3.0 4.2 11.9 14.4 17.7 21.3 22.5 19.4 13.8 9.1 5.9 12.2 MEAN 1.9 2.1 4.8 9.3 14.0 18.1 20.6 20.5 17.5 13.1 8.4 4.3 11.2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 3 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. AVERAGE OF MAXIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 11.0 9.9 13.4 17.4 25.4 29.5 31.3 30.2 23.3 19.3 17.7 13.6 20.2 1962 10.0 11.5 14.0 16.6 22.5 26.4 31.6 29.5 26.0 20.2 14.6 13.3 19.7 1963 11.5 11.1 11.2 15.6 21.2 25.9 30.1 28.3 26.8 20.0 15.0 10.3 18.9 1964 6.8 7.9 10.1 14.4 22.7 28.3 28.8 27.6 25.1 20.1 16.9 9.4 18.2 1965 7.2 10.4 10.8 14.2 21.7 27.6 29.3 29.2 24.5 17.2 16.0 14.0 18.5 1966 12.6 11.3 13.1 18.3 21.2 27.2 31.1 31.5 24.4 19.6 16.3 13.1 20.0 1967 11.7 6.4 10.4 15.4 23.1 26.3 29.8 30.5 24.4 21.0 16.1 12.6 19.0 1968 12.2 8.6 11.9 15.1 24.3 25.6 29.2 29.9 26.7 21.3 15.0 10.5 19.2 1969 3.8 3.1 7.8 13.7 20.5 27.7 28.4 29.2 24.9 18.2 13.8 12.7 17.0 1970 9.3 12.1 13.3 18.4 23.8 27.2 31.3 30.2 25.1 20.1 17.1 11.0 19.9 1971 8.2 10.5 12.1 14.9 24.1 28.1 32.7 31.0 29.0 21.5 16.9 13.2 20.2 1972 3.0 3.7 8.9 19.2 22.7 29.8 33.0 32.0 27.1 23.3 17.9 8.6 19.1 1973 5.6 11.0 11.6 17.5 22.2 26.8 30.3 30.0 24.2 21.6 15.6 10.5 18.9 1974 6.3 6.9 11.6 15.7 24.3 27.6 28.2 28.3 25.2 24.7 16.7 12.0 19.0 1975 10.5 9.9 13.0 19.3 24.9 30.5 33.8 31.1 27.5 20.3 12.6 10.4 20.3 1976 10.3 5.8 8.4 18.4 22.4 29.0 30.3 32.5 25.8 18.0 14.0 9.9 18.7 1977 3.1 9.9 12.2 17.5 24.3 28.9 32.2 31.5 25.8 18.1 16.2 8.5 19.0 1978 9.4 8.0 13.2 16.5 20.3 ****** 30.9 30.3 29.6 21.4 11.8 12.8 ****** 1979 9.3 10.6 13.4 16.6 23.2 26.9 32.0 32.0 29.3 21.4 16.3 11.6 20.2 1980 6.8 7.2 10.7 16.5 22.1 28.2 33.3 30.3 25.7 19.9 17.0 13.1 19.2 1981 13.4 12.1 12.2 15.6 21.8 28.2 31.9 30.2 27.5 23.6 18.7 15.0 20.8 1982 9.1 6.9 10.4 ****** 22.0 27.3 30.8 29.1 26.2 18.5 12.2 10.0 ****** 1983 9.8 12.9 12.9 17.5 24.6 26.8 31.6 29.9 24.5 20.8 17.2 10.9 20.0 1984 10.0 4.9 9.3 16.7 21.9 27.6 32.1 31.0 27.0 22.4 15.4 7.1 18.8 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 10.0 7.3 8.0 17.0 20.1 26.2 29.2 30.2 26.3 19.0 11.8 11.8 18.1 1987 11.1 9.3 9.0 13.7 22.0 27.8 28.9 28.1 23.5 15.7 13.7 10.8 17.8 1988 7.8 7.6 11.2 17.3 20.7 27.7 30.2 27.9 24.1 20.5 14.7 11.6 18.4 1989 8.4 8.5 12.8 17.9 21.9 27.7 30.3 29.5 25.3 19.8 16.9 10.8 19.2 1990 7.3 9.6 12.2 15.4 20.5 26.8 29.6 28.0 26.3 19.7 17.1 10.0 18.5 1991 8.3 8.0 9.3 15.8 20.2 27.0 30.6 29.2 24.8 21.7 13.7 10.2 18.2 1992 8.5 9.3 9.9 14.9 18.7 25.3 28.2 27.1 23.7 20.4 15.3 9.9 17.6 1993 8.2 5.7 11.5 15.8 21.4 25.1 27.6 28.5 23.9 19.3 8.7 8.5 17.0 1994 8.7 5.8 10.9 17.4 21.0 24.4 28.5 28.5 25.8 20.8 14.6 8.8 17.9 1995 9.8 9.7 11.3 18.6 23.3 27.7 30.8 29.5 26.5 19.0 18.0 10.9 19.6 1996 6.9 8.7 9.1 13.5 23.2 25.7 30.5 29.6 25.4 20.4 14.7 14.8 18.5 1997 9.5 8.3 10.6 18.0 22.5 26.8 28.6 29.5 21.9 22.3 14.5 10.6 18.6 1998 7.6 8.1 11.3 18.7 23.2 29.6 30.3 30.3 24.1 20.5 15.3 12.4 19.3 1999 10.2 14.2 12.4 16.8 20.4 26.7 29.8 30.0 25.1 21.2 14.2 12.9 19.5 2000 9.3 9.9 10.9 19.8 21.6 26.6 31.4 31.1 25.6 18.5 13.8 12.0 19.2 MEAN 8.8 8.8 11.2 16.6 22.3 27.3 30.5 29.8 25.6 20.3 15.2 11.3 19.0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 4 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 8.6 7.2 9.8 9.5 10.3 11.1 11.0 11.3 6.8 6.8 8.8 7.7 9.1 1962 7.6 7.6 6.4 7.1 8.6 9.8 10.6 9.3 8.8 8.1 5.4 7.9 8.1 1963 7.5 6.6 7.0 5.4 6.9 8.2 9.7 8.6 9.4 6.1 7.7 8.6 7.6 1964 8.8 6.9 5.4 6.5 9.2 10.3 9.3 8.7 8.9 8.8 8.8 7.7 8.3 1965 6.2 9.0 6.0 7.2 8.9 10.2 9.4 9.8 8.2 6.9 9.2 8.4 8.3 1966 7.2 6.3 6.4 7.5 7.7 9.0 10.6 10.2 6.8 6.3 6.1 6.7 7.6 1967 8.6 6.1 6.1 7.7 9.2 10.3 10.2 10.3 7.8 7.8 7.0 9.4 8.4 1968 9.5 6.8 8.1 7.0 9.7 9.8 10.4 10.2 9.8 6.8 5.5 5.7 8.3 1969 4.2 4.9 4.9 6.5 7.9 10.1 9.5 10.3 8.6 5.9 8.0 6.7 7.3 1970 6.0 7.1 7.9 8.3 9.3 10.1 11.2 9.1 8.8 8.3 7.8 7.8 8.5 1971 8.5 7.8 5.7 6.7 9.3 10.1 11.5 10.7 10.7 8.5 7.9 9.0 8.9 1972 5.6 7.0 7.7 9.7 9.1 11.5 11.6 12.7 8.4 7.8 8.6 6.7 8.9 1973 7.5 7.6 7.2 7.9 8.9 7.8 9.7 8.6 8.0 8.2 10.2 8.9 8.4 1974 6.0 6.5 7.4 7.7 9.5 9.3 9.0 9.1 8.7 11.9 7.2 8.4 8.4 1975 8.3 8.2 9.2 10.1 9.6 11.4 12.6 11.9 10.3 7.8 6.9 9.1 9.6 1976 8.4 7.0 6.1 9.0 9.0 11.4 10.9 11.5 8.0 7.0 7.2 5.6 8.4 1977 4.3 6.4 6.1 7.6 10.9 10.0 11.1 10.6 8.1 8.7 8.0 5.5 8.1 1978 7.6 4.9 7.4 7.7 8.1 ****** 11.9 11.6 11.7 7.5 6.6 7.7 ****** 1979 7.3 7.2 8.1 6.6 9.5 9.6 10.6 12.0 11.8 7.1 6.8 6.5 8.6 1980 6.4 5.4 6.4 7.0 8.0 10.3 11.8 9.8 8.9 7.6 6.9 6.6 7.9 1981 8.6 7.2 6.7 7.6 8.2 9.7 10.4 8.9 9.6 9.0 10.0 7.9 8.6 1982 7.4 6.0 7.1 ****** 7.0 8.9 9.7 9.3 7.9 6.4 5.5 8.1 ****** 1983 8.3 10.1 8.8 7.7 9.0 8.1 10.0 8.8 8.1 8.3 8.5 7.4 8.6 1984 6.5 5.0 4.7 6.0 8.3 9.7 10.6 10.3 8.7 7.5 5.9 4.6 7.3 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 6.9 4.4 4.6 6.9 6.3 8.3 8.4 9.9 8.5 4.9 3.0 9.0 6.8 1987 6.8 5.7 3.9 6.8 7.7 8.9 9.1 7.4 6.7 4.7 5.7 6.4 6.6 1988 5.2 5.5 5.5 7.3 6.9 8.2 8.8 7.3 6.4 6.0 6.7 6.2 6.7 1989 7.5 8.1 5.8 7.6 7.3 9.2 8.2 7.6 7.3 5.5 6.8 5.9 7.2 1990 6.5 6.5 6.6 6.1 7.1 8.3 8.6 7.4 7.8 6.3 6.8 5.0 6.9 1991 5.8 5.6 4.1 5.3 6.4 8.8 9.7 8.3 7.1 6.3 4.1 6.3 6.5 1992 7.7 7.7 5.6 6.0 6.4 6.8 7.9 8.2 6.4 7.8 6.8 5.0 6.9 1993 6.8 4.5 7.2 6.5 6.8 7.4 7.6 8.1 6.6 7.0 3.7 6.1 6.5 1994 5.8 5.4 5.8 6.9 6.1 7.2 9.1 7.8 9.0 7.8 5.9 6.5 6.9 1995 6.3 5.2 5.4 7.6 8.7 9.2 9.7 8.0 8.5 6.5 9.0 7.7 7.6 1996 4.0 5.9 4.6 5.3 7.9 7.9 9.5 8.5 6.6 6.9 5.9 7.3 6.7 1997 6.4 7.3 6.9 8.4 8.0 7.1 7.1 8.0 5.6 7.0 5.6 6.2 7.0 1998 4.9 7.0 6.1 7.7 7.9 9.3 9.0 8.4 5.5 6.8 4.9 5.2 6.9 1999 6.4 8.9 5.5 7.0 7.4 8.7 9.2 7.2 6.2 7.1 6.6 7.0 7.3 2000 6.1 6.9 6.7 7.9 7.2 8.9 10.1 8.6 6.2 4.7 4.7 6.1 7.0 MEAN 6.9 6.7 6.4 7.3 8.2 9.2 9.9 9.3 8.1 7.2 6.8 7.0 7.8 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 5 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 4.36 4.81 5.01 6.84 11.24 13.33 15.29 13.39 11.66 8.86 7.13 5.84 8.98 1962 4.44 5.15 6.61 7.34 10.20 11.08 14.45 14.39 12.60 9.43 7.60 6.04 9.11 1963 5.23 5.33 5.24 7.97 10.29 12.93 13.41 12.93 12.29 10.05 6.50 4.49 8.89 1964 2.89 4.29 5.75 6.84 10.11 11.97 13.43 13.53 11.53 8.45 7.14 4.52 8.37 1965 3.97 4.34 5.49 6.52 9.26 12.38 13.74 13.69 11.83 8.41 6.30 5.67 8.47 1966 5.72 5.96 6.32 8.40 9.78 12.65 14.03 14.34 12.40 9.70 7.90 6.15 9.45 1967 4.89 3.83 5.18 7.10 9.99 11.09 13.08 14.32 11.77 9.61 7.49 4.95 8.61 1968 4.46 4.57 5.12 7.20 10.18 11.79 13.08 14.02 11.67 10.54 7.74 5.51 8.82 1969 3.89 3.41 5.03 6.78 9.27 12.60 12.84 12.89 11.43 9.38 6.20 5.98 8.31 1970 4.91 5.51 5.60 7.75 10.14 11.57 12.56 14.30 11.63 8.81 7.68 4.90 8.78 1971 3.89 4.67 6.22 7.04 10.21 10.64 13.11 13.42 12.13 9.33 7.43 4.88 8.58 1972 3.28 2.99 4.46 7.72 10.00 12.99 13.68 14.03 13.86 11.40 7.49 4.23 8.84 1973 3.33 5.48 5.48 7.61 10.33 13.61 15.31 16.04 11.56 9.80 5.83 4.53 9.08 1974 3.89 4.08 5.41 7.25 11.51 13.70 14.50 13.56 11.51 8.82 7.70 4.83 8.90 1975 4.33 4.24 5.12 7.29 10.69 12.33 13.26 12.39 12.15 9.23 5.82 4.34 8.43 1976 4.39 3.55 4.72 7.30 9.74 11.94 13.07 14.08 12.92 8.61 6.27 5.17 8.48 1977 3.31 5.04 6.12 7.88 10.06 13.34 13.21 14.72 12.70 7.77 7.01 4.86 8.83 1978 4.43 4.90 5.92 7.17 9.26 ****** 13.51 14.45 12.71 9.91 5.53 5.46 ****** 1979 4.25 4.91 5.61 7.76 9.61 11.23 14.89 13.21 12.98 10.22 7.77 5.53 9.00 1980 4.00 4.35 5.23 7.46 10.58 12.41 14.85 14.01 11.89 9.01 8.02 5.82 8.97 1981 5.36 5.50 5.83 7.09 9.98 12.59 14.94 15.72 12.96 10.20 6.83 5.68 9.39 1982 4.34 3.92 5.00 ****** 10.57 12.72 14.37 13.56 12.79 9.00 6.50 4.14 ****** 1983 4.02 4.69 5.05 7.21 10.87 13.40 14.47 14.34 11.47 8.61 7.20 5.10 8.87 1984 4.83 3.66 5.30 7.80 8.97 11.99 14.21 14.13 12.32 10.29 7.31 4.29 8.76 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 4.74 4.52 4.68 7.52 9.51 12.12 14.69 13.93 12.52 10.17 7.03 4.63 8.84 1987 4.91 5.00 5.19 5.94 9.87 11.56 13.42 14.25 11.90 8.00 6.47 5.13 8.47 1988 4.40 4.32 5.52 7.08 9.69 13.28 13.99 13.69 12.29 9.91 6.55 5.57 8.86 1989 3.61 3.74 5.77 7.67 9.86 12.57 15.03 15.31 12.57 10.21 7.37 5.20 9.08 1990 3.96 4.56 5.42 7.31 9.43 12.88 14.40 14.32 13.05 9.67 7.87 5.46 9.03 1991 4.29 4.40 5.53 7.81 9.53 12.44 14.56 14.25 12.26 10.91 7.42 5.03 9.04 1992 3.55 3.92 5.07 6.85 8.68 12.87 13.66 12.76 11.93 8.83 6.76 5.05 8.33 1993 3.52 4.01 4.98 6.81 9.84 12.51 14.15 14.12 12.11 8.87 5.28 4.47 8.39 1994 4.65 3.84 5.25 7.54 10.37 11.86 12.51 14.19 11.51 9.35 6.96 4.43 8.54 1995 4.72 5.05 5.52 7.37 10.18 12.68 12.91 14.46 12.39 8.71 7.18 4.34 8.79 1996 4.41 4.56 4.94 6.51 11.01 12.40 14.96 14.87 13.42 9.61 6.91 6.24 9.15 1997 4.51 3.85 4.67 6.68 9.93 13.94 14.94 15.06 11.47 10.64 6.88 5.26 8.99 1998 4.26 3.97 5.41 7.62 10.14 13.54 14.36 14.94 12.88 9.71 8.06 5.93 9.23 1999 4.84 4.95 5.86 7.25 9.21 11.34 13.67 16.12 12.84 9.78 6.13 5.64 8.97 2000 4.28 4.43 4.91 8.22 9.83 11.67 14.48 15.05 13.26 9.72 7.07 5.60 9.04 MEAN 4.29 4.47 5.38 7.31 10.00 12.42 13.98 14.18 12.29 9.48 6.99 5.16 8.82 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 6 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 6.22 5.96 6.73 8.16 13.97 17.96 20.38 18.54 13.76 10.21 8.86 7.18 11.49 1962 5.31 6.13 7.48 8.21 11.23 13.37 18.98 17.42 14.68 10.56 8.52 6.06 10.66 1963 6.04 6.04 5.85 8.71 11.61 14.13 14.82 15.43 14.01 11.54 8.10 5.26 10.13 1964 3.61 5.10 6.14 7.27 11.38 14.34 14.83 14.70 13.22 10.26 7.73 5.49 9.51 1965 4.50 4.96 5.93 6.98 10.01 13.73 15.96 15.66 13.24 9.24 8.04 7.17 9.62 1966 6.72 6.45 7.17 9.30 11.14 14.96 17.86 17.30 14.17 11.17 9.37 7.49 11.09 1967 5.91 4.26 5.93 7.93 11.35 12.95 14.09 17.80 14.19 11.43 8.72 5.97 10.04 1968 5.31 5.12 6.03 7.80 12.19 13.22 15.08 16.25 15.14 12.04 9.02 6.09 10.27 1969 4.22 3.92 5.38 7.45 10.17 14.32 14.54 15.63 13.75 10.45 7.74 6.98 9.55 1970 5.54 6.13 6.53 8.65 11.37 11.55 14.35 15.83 13.39 9.79 8.71 5.76 9.80 1971 4.71 5.21 6.77 7.73 10.95 12.54 14.05 14.77 15.34 11.00 8.91 6.27 9.85 1972 3.63 3.86 5.05 8.61 11.02 15.16 16.15 16.19 13.54 13.61 8.52 4.90 10.02 1973 4.30 5.60 6.19 8.48 11.44 13.90 17.13 17.94 13.33 11.81 7.34 6.04 10.29 1974 4.51 4.85 6.02 7.91 13.22 14.80 16.64 15.17 13.49 12.11 8.95 6.04 10.31 1975 5.33 4.82 5.96 9.14 12.02 14.64 14.87 15.99 13.46 10.59 7.11 5.21 9.93 1976 5.46 4.12 5.24 8.39 11.01 13.87 14.51 17.35 14.03 9.92 7.03 5.75 9.72 1977 3.60 5.42 6.66 8.37 10.79 14.42 14.46 17.19 14.10 9.12 8.28 5.21 9.80 1978 5.11 5.29 6.52 8.14 10.10 ****** 15.14 18.53 14.70 10.82 5.90 6.03 ****** 1979 4.88 5.39 6.18 8.34 10.56 12.44 15.76 17.04 15.29 11.14 8.42 6.22 10.14 1980 4.54 4.98 5.83 8.11 11.61 13.89 15.87 16.18 12.89 10.30 8.97 6.77 10.00 1981 6.18 5.91 6.35 7.53 10.60 14.67 17.12 18.33 14.93 12.38 8.01 6.76 10.73 1982 5.02 4.56 5.70 ****** 11.31 13.74 15.63 14.98 14.27 10.03 6.58 5.20 ****** 1983 4.49 5.23 5.66 8.59 12.39 14.31 16.72 15.24 12.97 10.56 8.44 5.64 10.02 1984 5.35 3.95 5.46 8.02 9.94 13.35 16.66 15.29 15.00 11.56 8.07 4.66 9.78 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 5.51 5.24 5.26 8.39 10.35 13.37 15.92 16.95 15.42 11.18 7.49 5.74 10.07 1987 5.75 5.40 5.11 6.51 10.09 12.13 13.86 15.15 13.15 8.78 6.67 5.67 9.02 1988 4.73 4.63 5.76 7.48 9.73 14.10 14.29 13.65 12.89 10.66 7.18 5.83 9.24 1989 4.16 4.24 6.38 8.53 10.63 12.60 15.47 16.55 14.05 11.48 8.23 5.78 9.84 1990 4.61 5.39 6.16 8.50 10.94 14.80 16.68 15.70 15.23 11.56 9.47 6.15 10.43 1991 4.84 4.97 6.00 8.51 10.44 13.62 16.29 15.24 13.20 12.14 8.12 5.47 9.90 1992 3.97 4.35 5.42 7.30 9.11 13.94 13.48 14.08 13.04 9.89 7.56 5.30 8.95 1993 3.73 4.25 5.26 7.30 10.22 13.34 14.23 15.07 13.28 9.63 5.62 5.05 8.92 1994 5.22 4.10 5.50 8.12 10.99 11.99 12.46 14.92 13.67 10.99 7.70 4.61 9.19 1995 5.24 5.42 6.18 8.25 11.15 14.20 12.98 15.02 13.97 9.53 8.16 4.79 9.57 1996 4.61 4.88 5.34 7.18 11.98 13.71 16.69 16.76 14.93 11.07 7.71 6.81 10.14 1997 5.00 4.16 5.09 7.28 10.92 14.71 16.04 15.91 12.35 11.93 7.42 5.96 9.73 1998 4.58 4.39 5.88 8.44 11.56 14.59 15.06 15.95 13.84 11.01 8.74 6.51 10.05 1999 5.45 5.46 6.36 7.65 9.58 11.48 14.37 17.62 13.49 10.74 6.58 6.02 9.57 2000 4.72 4.92 5.43 9.11 10.06 11.96 16.08 15.84 14.59 10.45 7.59 6.36 9.76 MEAN 4.94 5.01 5.95 8.07 11.01 13.76 15.53 16.14 13.95 10.84 7.94 5.91 9.92 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 7 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 6.12 5.73 6.40 8.19 13.82 16.63 19.40 17.42 13.25 9.90 8.21 6.92 11.00 1962 5.13 5.96 7.22 8.21 11.57 13.93 18.48 17.13 14.31 10.68 8.23 6.06 10.58 1963 5.76 5.90 5.96 8.52 10.98 13.92 14.99 15.11 13.55 11.36 7.85 4.92 9.90 1964 3.66 5.00 6.01 7.35 11.22 14.40 14.92 14.55 13.20 9.77 7.68 5.56 9.44 1965 4.79 5.01 5.78 6.92 9.79 13.70 15.51 15.13 12.67 9.46 7.74 6.80 9.44 1966 6.51 6.31 7.02 9.31 10.73 14.48 17.18 16.99 13.73 10.78 9.10 7.31 10.79 1967 5.69 4.44 5.98 7.77 11.36 12.71 13.99 17.53 13.51 11.20 8.53 5.83 9.88 1968 5.21 5.08 5.94 7.63 11.83 12.84 15.34 15.68 14.20 11.52 8.50 6.02 9.98 1969 4.09 3.85 5.27 7.22 9.74 14.74 14.16 15.31 13.13 10.22 7.04 6.61 9.28 1970 5.57 6.03 6.38 8.09 10.41 11.33 13.59 14.18 12.08 8.66 8.26 5.61 9.18 1971 4.65 4.58 6.14 7.03 9.51 10.45 12.67 13.50 14.09 9.92 8.01 5.29 8.82 1972 3.54 3.72 4.97 7.90 10.38 14.09 16.00 14.63 14.00 13.19 7.89 4.90 9.60 1973 4.12 5.37 5.94 7.90 11.23 13.44 15.97 16.74 12.61 11.11 7.22 5.47 9.76 1974 4.42 4.76 5.89 7.61 12.41 14.28 15.88 15.00 12.78 11.46 8.93 5.88 9.94 1975 5.10 4.87 5.83 8.86 12.09 15.02 15.40 15.45 12.82 10.23 6.66 5.06 9.78 1976 5.17 4.01 5.16 7.95 10.47 13.37 14.14 16.42 13.84 9.74 7.07 5.84 9.43 1977 3.67 5.35 6.47 8.09 10.10 14.08 13.74 16.07 13.90 8.93 8.14 5.09 9.47 1978 5.12 5.17 6.32 8.12 9.77 ****** 15.49 17.96 14.69 11.08 6.00 5.88 ****** 1979 4.75 5.48 5.95 8.15 10.55 12.40 14.82 15.75 14.62 10.86 8.12 6.28 9.81 1980 4.56 4.91 5.63 7.92 11.17 13.52 15.34 15.46 12.72 10.03 8.86 6.42 9.71 1981 5.92 5.77 6.36 7.44 10.33 14.41 16.68 17.31 14.68 11.86 8.15 6.77 10.47 1982 4.84 4.66 5.65 ****** 10.90 13.56 15.20 14.03 13.66 9.56 6.27 5.25 ****** 1983 4.32 5.37 5.69 8.05 11.90 14.18 16.34 15.28 12.66 10.21 8.33 5.47 9.82 1984 5.41 3.98 5.41 7.87 9.86 13.01 16.39 14.44 14.27 11.26 8.08 4.53 9.54 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 5.47 5.10 5.23 8.34 10.86 14.34 16.83 17.94 16.01 11.36 7.57 5.41 10.37 1987 5.75 5.40 5.42 6.58 10.57 13.32 14.64 16.25 13.71 8.86 7.16 5.59 9.44 1988 4.94 4.84 5.96 7.92 10.33 14.71 14.99 14.90 13.77 10.96 7.33 6.02 9.72 1989 4.31 4.71 6.54 8.77 11.20 13.38 16.26 16.33 14.56 11.49 8.27 5.90 10.14 1990 4.76 5.29 6.10 8.33 10.89 14.78 17.27 16.26 15.74 11.58 9.22 6.19 10.53 1991 4.98 4.99 6.01 8.39 10.60 14.34 17.12 16.33 13.81 12.60 8.05 5.49 10.23 1992 4.24 4.71 5.58 7.40 9.58 14.33 14.05 14.31 13.55 10.28 7.52 5.46 9.25 1993 4.00 4.31 5.44 7.49 10.48 13.64 15.11 15.86 13.80 10.13 5.63 5.12 9.25 1994 5.36 4.32 5.70 8.34 11.16 12.32 12.97 15.65 13.62 10.88 7.83 4.71 9.41 1995 5.33 5.57 6.26 8.01 11.25 14.77 13.92 16.04 14.59 10.05 8.25 5.08 9.93 1996 4.75 4.82 5.29 7.40 12.49 14.58 17.63 17.38 15.53 11.23 7.91 6.75 10.48 1997 5.24 4.50 5.37 7.26 11.39 15.22 16.42 16.61 12.82 12.55 7.89 5.85 10.09 1998 4.78 4.57 6.02 8.55 11.63 15.45 15.44 16.65 14.03 11.13 8.68 6.50 10.28 1999 5.59 5.75 6.55 7.97 9.73 11.91 14.62 18.72 14.13 11.01 6.76 6.09 9.90 2000 4.71 5.23 5.71 9.09 10.35 12.25 16.80 16.77 14.82 10.53 7.63 6.21 10.01 MEAN 4.94 5.01 5.92 7.95 10.89 13.79 15.53 15.98 13.84 10.71 7.81 5.80 9.84 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 8 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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 -1.5 31 -5.0 5 -3.5 4 2.0 17 11.0 19 13.0 7 17.5 16 7.0 16 13.5 7 10.0 19 3.5 29 2.0 25 -5.0 1962 0.0 14 1.0 11 0.5 13 6.5 14 11.0 12 12.0 11 18.0 26 17.5 12 13.5 19 7.5 12 3.5 30 0.5 10 0.0 1963 0.0 19 0.5 8 -0.5 7 6.0 2 10.5 13 14.0 17 18.0 1 17.0 7 13.5 23 10.5 26 2.5 30 -5.0 26 -5.0 1964 -7.5 30 -1.5 2 0.0 8 3.5 15 6.0 2 10.5 1 17.0 1 16.0 21 14.0 17 6.0 29 1.0 30 -5.0 25 -7.5 1965 -1.0 3 -1.0 1 -1.0 13 1.0 6 8.0 7 15.0 1 17.5 1 15.0 9 12.0 4 3.5 27 3.0 10 -0.5 23 -1.0 1966 3.0 13 -0.5 6 1.0 23 6.0 5 10.0 18 15.0 16 16.5 2 19.5 1 15.0 14 9.0 18 6.0 27 2.5 22 -0.5 1967 -0.5 27 -2.5 3 0.0 9 0.5 1 10.0 1 9.0 5 17.0 6 16.5 29 14.0 24 8.5 22 0.0 30 -2.5 25 -2.5 1968 -2.5 23 -2.5 5 1.0 17 4.0 26 9.5 1 9.5 8 14.0 13 16.5 26 14.5 19 8.5 31 6.5 19 2.0 13 -2.5 1969 -5.0 5 -7.0 12 -4.5 25 3.5 15 8.5 7 13.0 1 16.5 4 16.5 1 11.5 12 4.5 30 2.8 18 3.2 17 -7.0 1970 -1.0 29 0.5 3 0.0 10 7.0 22 9.5 9 12.0 11 17.0 19 17.0 31 11.5 17 9.0 26 7.0 22 -0.8 21 -1.0 1971 -7.8 17 -1.5 2 2.5 1 0.8 3 13.0 3 12.5 4 18.0 1 18.0 25 16.0 19 8.0 27 5.0 30 -1.0 17 -7.8 1972 -12.5 25 -10.5 10 -4.5 15 1.0 5 10.0 15 15.0 9 19.0 17 14.0 2 15.0 18 11.0 23 4.0 30 -3.0 27 -12.5 1973 -7.0 27 -0.8 3 2.0 9 7.0 12 9.0 5 14.5 10 17.0 12 17.5 29 10.5 27 5.0 31 1.0 21 -3.0 14 -7.0 1974 -2.0 19 -4.5 3 -1.0 7 2.5 4 8.5 1 15.0 9 16.0 8 15.0 27 13.0 25 10.0 20 3.0 28 0.5 27 -4.5 1975 -1.5 15 -1.0 12 0.0 4 4.0 15 11.0 10 14.0 22 19.0 14 15.5 18 14.5 30 7.5 31 0.0 14 -1.5 5 -1.5 1976 -0.5 10 -5.0 16 -3.0 2 3.0 1 10.0 8 14.5 15 16.0 22 18.5 17 14.0 28 6.0 18 1.5 30 -0.5 25 -5.0 1977 -4.0 9 -0.5 1 0.5 7 8.5 26 10.0 9 15.5 1 18.5 20 16.0 30 12.0 30 3.0 24 4.0 14 -1.0 14 -4.0 1978 -1.5 23 0.0 23 3.0 1 5.5 16 7.5 3 ***** ** 13.5 11 14.5 28 15.5 6 12.0 26 1.5 3 1.0 14 ***** 1979 -4.5 25 -0.5 22 0.0 4 6.0 17 7.0 1 14.5 7 19.0 8 18.0 10 12.0 20 7.5 30 5.5 28 0.5 24 -4.5 1980 -5.0 26 -3.5 1 0.0 8 3.5 17 10.0 1 14.5 1 19.0 4 17.0 30 11.5 23 8.0 30 6.0 24 2.5 20 -5.0 1981 0.5 15 2.0 4 0.0 4 -0.5 2 9.0 2 13.5 7 18.5 21 19.5 27 12.5 24 10.0 17 5.0 23 2.5 21 -0.5 1982 -1.5 22 -1.0 18 -1.5 28 ***** ** 12.5 12 15.5 29 18.0 1 17.5 12 16.0 18 8.0 6 3.5 9 -0.5 8 ***** 1983 -4.0 27 1.0 24 0.0 7 6.5 12 10.5 5 15.5 5 18.0 1 17.0 26 13.0 28 10.0 7 3.5 25 -0.5 23 -4.0 1984 -1.0 31 -2.5 6 -0.5 2 6.0 5 7.5 4 14.5 17 19.0 4 17.0 30 16.5 9 7.0 19 6.0 23 -0.5 24 -2.5 1985 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1986 -2.0 21 -0.6 8 -1.0 3 7.0 2 9.2 18 13.4 23 17.0 3 16.4 30 11.4 30 11.0 13 5.0 30 -2.2 13 -2.2 1987 0.6 12 0.4 12 1.6 3 1.8 6 8.6 1 16.0 1 15.6 4 14.2 30 11.4 24 5.8 28 0.4 30 -2.0 29 -2.0 1988 -1.2 3 -0.8 3 1.6 7 4.0 6 7.4 2 15.2 1 17.0 28 17.4 26 14.5 14 9.8 23 2.0 15 -1.0 29 -1.2 1989 -5.2 4 -4.8 15 3.4 31 4.6 2 10.2 1 15.2 1 19.6 2 17.6 20 12.2 20 9.4 25 3.0 21 0.8 8 -5.2 1990 -7.0 8 0.0 5 -1.6 18 4.4 2 9.8 5 15.0 1 17.2 6 18.6 1 16.0 18 8.5 16 5.8 14 -0.6 30 -7.0 1991 -0.8 1 -2.0 14 0.2 11 7.0 15 10.6 7 14.4 1 17.4 15 17.5 28 13.6 27 11.6 17 3.8 24 0.0 22 -2.0 1992 -4.8 27 -1.0 4 0.2 11 4.6 3 5.4 5 13.5 6 14.8 11 16.0 19 13.0 28 8.8 16 1.8 27 -2.0 31 -4.8 1993 -2.4 20 -2.6 18 0.6 13 5.2 23 8.4 10 14.8 22 17.0 6 16.4 3 12.4 25 8.0 31 0.4 25 -0.8 7 -2.6 1994 -1.6 24 -5.0 19 0.8 2 4.4 1 11.4 18 13.4 6 15.8 1 19.0 5 13.6 10 9.8 24 4.0 10 -2.2 8 -5.0 1995 -1.0 23 1.0 28 3.0 1 6.4 6 11.2 11 15.4 1 19.0 1 18.0 21 13.0 30 8.0 17 3.2 30 -3.0 19 -3.0 1996 -2.2 21 -3.4 3 -1.0 1 2.8 6 9.0 2 13.5 9 16.8 15 18.0 18 15.0 20 10.0 17 3.8 13 3.0 31 -3.4 1997 -3.0 29 -5.0 6 -0.4 10 2.0 12 9.6 3 15.0 4 18.0 8 19.0 31 12.6 15 7.6 31 3.8 29 -0.8 18 -5.0 1998 0.0 10 -3.2 17 0.4 3 5.4 2 9.8 2 17.4 4 19.0 26 18.4 23 15.0 29 10.2 12 7.6 30 3.0 29 -3.2 1999 0.4 4 2.2 1 2.0 19 5.0 10 8.8 11 14.5 3 15.5 15 20.0 31 13.5 24 9.5 27 2.0 29 1.0 2 0.4 2000 -2.2 30 0.0 9 0.0 16 8.0 1 10.0 5 12.0 13 19.4 23 19.8 13 16.5 12 9.4 16 5.2 26 1.0 23 -2.2 LOW. -12.5 25 -10.5 10 -4.5 25 -0.5 2 5.4 5 9.0 5 13.5 11 7.0 16 10.5 27 3.0 24 0.0 30 -5.0 26 -12.5 YEAR 1972 1972 1969 1981 1992 1967 1978 1961 1973 1977 1967 1963 1972 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 9 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. ABSOLUTE OF MAXIMUM TEMPERATURE WITH DAY YEAR JAN. DAY FEB. DAY MAR. DAY APR. DAY MAY DAY JUNE DAY JULY DAY AUG. DAY SEP. DAY OCT. DAY NOV. DAY DEC. DAY ANNUAL 1961 24.0 18 13.5 7 26.0 24 27.5 30 30.0 14 34.5 17 35.0 1 32.5 6 28.5 12 25.0 1 24.0 23 19.0 23 35.0 1962 19.0 29 21.0 16 20.0 4 20.5 12 28.0 31 31.5 1 35.0 23 32.5 20 30.0 2 26.5 7 20.0 1 27.0 20 35.0 1963 23.0 15 25.0 23 17.5 11 19.5 29 26.0 28 31.0 28 33.0 24 33.0 18 30.5 15 25.5 11 22.0 14 21.0 15 33.0 1964 12.5 15 14.5 3 17.5 27 21.5 26 26.0 31 31.0 11 32.0 3 32.5 10 29.5 2 24.5 17 26.0 21 15.5 3 32.5 1965 12.0 7 19.5 26 15.0 29 20.5 26 28.0 22 30.5 8 34.5 17 32.5 4 28.5 8 23.5 3 25.0 26 21.5 27 34.5 1966 24.5 3 18.5 26 21.0 28 25.0 17 27.0 30 32.0 7 35.0 27 34.0 24 28.0 2 24.0 6 19.0 1 17.5 1 35.0 1967 25.0 15 11.0 11 13.5 26 24.0 21 27.0 21 30.0 16 32.5 8 34.5 21 30.5 6 25.0 9 23.0 4 26.0 14 34.5 1968 23.5 13 13.5 27 20.5 2 20.5 14 28.5 20 30.5 19 34.5 25 33.0 23 31.0 3 26.0 2 17.5 7 16.0 2 34.5 1969 8.5 1 8.5 4 12.0 19 22.0 29 27.5 23 32.5 7 32.5 22 32.5 5 31.0 6 26.0 3 19.5 5 23.5 18 32.5 1970 18.0 30 20.5 13 28.0 18 24.5 28 27.0 6 30.0 5 35.0 11 33.0 15 29.5 7 25.0 5 23.5 3 17.0 1 35.0 1971 19.0 2 17.5 27 15.5 30 23.0 16 28.5 23 32.5 11 38.5 28 35.5 16 32.0 9 25.5 6 21.0 14 24.5 12 38.5 1972 12.0 2 10.5 27 20.0 25 27.0 29 30.5 31 33.5 24 35.5 20 36.0 18 32.0 2 30.0 1 23.5 26 13.0 6 36.0 1973 10.0 6 19.0 26 14.0 20 24.0 18 28.0 17 31.4 27 33.4 31 33.5 8 31.0 5 27.0 3 27.5 15 18.5 16 33.5 1974 14.5 21 15.0 8 24.0 17 26.5 16 28.5 30 33.0 24 33.5 2 35.0 21 28.0 1 28.0 27 23.5 2 16.5 31 35.0 1975 20.0 10 21.0 9 27.0 27 25.0 29 31.5 31 35.0 27 36.5 25 36.5 7 33.0 3 25.0 9 21.0 22 21.5 27 36.5 1976 18.5 5 11.0 5 12.5 27 26.5 14 26.5 18 33.0 10 33.5 30 35.5 7 31.5 3 24.0 14 26.0 25 16.5 13 35.5 1977 7.0 9 19.5 13 17.5 20 28.0 13 30.0 17 33.5 14 35.5 7 34.0 13 30.5 4 25.0 4 20.0 6 15.0 4 35.5 1978 20.0 3 13.0 18 19.5 24 23.5 30 25.0 14 ***** ** 35.0 13 34.0 13 36.5 20 28.0 1 21.0 1 21.5 16 ***** 1979 27.0 4 21.5 2 23.0 16 21.5 10 28.5 22 33.0 22 35.5 13 34.5 10 32.0 4 28.0 1 25.0 2 18.0 12 35.5 1980 12.0 27 10.0 13 19.0 24 23.0 23 27.0 21 32.5 29 36.5 14 33.5 15 30.5 4 25.0 2 23.0 12 28.0 5 36.5 1981 21.5 17 21.0 9 22.0 22 23.0 21 29.5 7 33.0 14 34.5 31 35.0 1 31.0 12 27.5 15 28.0 13 26.0 16 35.0 1982 21.0 8 12.0 28 18.0 31 ***** ** 25.5 31 30.0 21 34.0 16 31.5 5 30.0 4 25.5 1 19.5 4 17.0 31 ***** 1983 19.5 18 20.5 20 19.5 13 25.5 18 30.0 26 30.0 8 36.5 16 36.0 13 32.0 8 25.0 1 23.0 13 21.5 1 36.5 1984 13.0 3 7.0 24 14.5 31 25.0 21 30.0 26 30.5 5 36.0 21 33.5 20 29.0 15 27.5 2 23.5 26 12.5 15 36.0 1985 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1986 21.0 18 15.0 20 12.4 29 30.0 15 26.4 26 29.6 7 31.8 5 33.2 16 32.2 4 24.2 5 19.4 2 23.0 27 33.2 1987 22.6 30 25.0 26 12.4 5 24.0 13 29.5 23 33.0 20 32.5 20 34.2 8 26.8 16 25.4 2 26.6 21 23.0 12 34.2 1988 13.0 7 18.4 22 17.4 16 26.2 15 27.2 28 32.2 13 34.2 6 31.5 12 29.0 10 24.8 30 28.8 8 18.6 11 34.2 1989 13.6 2 22.8 28 18.6 1 23.5 27 28.0 7 31.0 19 34.0 1 32.2 5 30.4 9 32.6 2 29.2 27 22.0 11 34.0 1990 10.8 18 20.8 28 23.8 1 23.0 28 25.4 19 30.2 14 32.2 16 30.8 16 33.4 14 24.8 22 23.2 3 22.4 6 33.4 1991 11.8 4 21.2 17 14.2 29 22.2 26 23.0 28 34.4 29 35.4 3 32.0 2 27.6 7 24.4 3 18.0 12 19.6 10 35.4 1992 16.3 18 21.0 19 16.2 31 30.2 13 27.0 29 30.2 19 31.2 3 30.2 25 28.0 7 32.6 24 27.4 22 14.0 14 32.6 1993 22.0 28 11.0 27 20.8 8 23.2 9 30.0 15 29.2 25 31.6 22 32.0 16 30.4 14 26.6 1 16.4 8 17.0 23 32.0 1994 18.0 31 13.4 5 20.2 19 32.0 24 31.4 29 29.0 11 34.6 22 32.0 15 28.0 27 25.2 5 20.6 3 21.8 14 34.6 1995 19.8 3 17.4 10 17.0 31 29.6 19 31.0 23 32.8 26 35.0 16 33.0 3 30.6 11 26.0 3 27.2 8 21.0 22 35.0 1996 11.0 1 26.4 9 12.4 5 20.4 27 30.0 16 30.2 26 34.2 13 33.6 6 34.6 7 25.0 24 18.4 10 25.0 25 34.6 1997 16.0 7 15.6 15 20.6 23 27.4 24 26.4 26 31.0 14 33.4 30 33.0 4 30.0 1 28.2 14 20.2 5 17.0 5 33.4 1998 12.6 7 20.6 7 22.2 13 29.0 14 30.2 21 34.0 17 33.6 25 35.6 4 30.8 1 28.2 1 21.0 6 29.0 11 35.6 1999 19.5 11 24.5 20 15.0 4 21.4 18 26.6 27 31.4 14 33.0 10 35.5 3 30.0 2 25.8 1 22.6 16 25.4 28 35.5 2000 20.0 20 15.2 4 17.0 19 30.0 20 30.0 27 33.0 7 33.6 1 35.6 3 31.0 8 24.0 12 18.2 4 21.2 31 35.6 HIG. 27.0 4 26.4 9 28.0 18 32.0 24 31.5 31 35.0 27 38.5 28 36.5 7 36.5 20 32.6 2 29.2 27 29.0 11 38.5 YEAR 1979 1996 1970 1994 1975 1975 1971 1975 1978 1989 1989 1998 1971 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 10 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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 28.0 3 54.5 26 8.5 27 22.5 14 29.2 29 69.0 6 60.8 16 48.1 7 41.8 19 77.2 7 38.5 14 18.0 23 77.2 1962 38.5 5 20.0 21 26.5 11 37.1 5 14.5 10 22.0 9 0.3 12 239.0 24 42.7 17 58.7 10 43.3 15 27.5 3 239.0 1963 41.5 3 51.0 25 44.0 6 6.0 24 24.0 3 49.2 21 24.5 7 29.8 28 38.0 22 47.0 17 69.5 2 43.8 24 69.5 1964 24.5 18 28.8 24 20.5 7 27.0 9 22.8 1 29.0 21 14.8 12 58.8 20 79.3 16 27.0 30 27.5 1 23.0 19 79.3 1965 27.0 24 17.6 13 19.2 12 18.0 20 15.2 2 4.0 25 131.0 22 27.0 7 50.5 29 67.0 22 25.0 7 11.0 29 131.0 1966 21.5 31 21.0 6 36.5 22 35.5 23 17.7 4 35.2 21 0.3 29 87.0 31 76.0 13 72.0 17 39.0 5 22.5 20 87.0 1967 17.0 30 37.0 14 34.7 8 9.6 13 9.2 18 33.0 5 2.0 29 18.9 13 50.0 7 89.2 21 19.0 24 16.5 16 89.2 1968 15.0 16 15.4 22 35.4 22 32.0 19 30.0 30 48.0 5 18.6 4 8.0 4 37.2 11 73.0 27 25.5 21 15.8 12 73.0 1969 25.2 21 30.0 9 38.0 8 18.8 5 17.5 27 68.5 15 15.0 31 22.8 6 76.0 11 96.0 14 58.0 8 27.2 15 96.0 1970 28.0 25 5.0 22 22.5 10 18.5 21 5.0 12 27.0 10 13.0 31 42.0 28 77.0 26 46.5 10 63.0 10 55.0 8 77.0 1971 58.5 14 13.0 7 18.0 15 34.0 2 9.0 28 2.0 5 0.0 ** 17.5 1 42.0 29 43.0 8 18.5 10 18.0 30 58.5 1972 26.5 4 36.0 7 59.0 19 27.0 4 28.2 6 57.0 7 0.4 27 55.5 1 50.2 22 35.0 2 49.0 28 23.5 12 59.0 1973 16.0 14 21.8 22 42.5 8 6.0 1 40.0 20 2.8 18 5.4 11 48.0 26 123.0 26 37.5 26 48.5 23 59.5 12 123.0 1974 24.0 31 16.5 14 27.0 1 33.0 21 14.0 23 7.0 8 99.5 30 39.0 23 33.0 5 2.5 10 50.0 12 23.0 13 99.5 1975 38.0 14 17.0 24 73.0 15 11.2 23 16.2 13 8.2 14 0.0 ** 15.0 18 22.0 15 100.0 30 100.0 28 60.0 2 100.0 1976 12.0 18 36.0 29 43.0 1 25.6 25 11.0 7 7.0 1 80.0 20 33.0 9 112.0 21 68.0 2 45.5 27 18.3 10 112.0 1977 34.0 3 12.9 6 17.5 13 24.5 20 19.0 28 18.5 27 13.0 31 32.0 19 54.5 27 100.0 11 39.5 12 27.0 25 100.0 1978 20.5 9 18.5 23 14.0 14 22.5 11 31.5 7 ***** ** 0.0 ** 9.0 26 19.5 21 67.0 10 37.5 2 15.0 24 ***** 1979 62.0 23 20.0 27 47.5 27 19.0 22 13.5 23 18.0 8 9.0 8 21.0 1 43.0 10 95.5 4 67.0 3 36.0 21 95.5 1980 57.0 24 41.0 24 42.0 17 39.0 16 43.0 15 92.0 17 0.0 ** 63.0 21 35.0 8 52.0 20 46.0 20 42.0 12 92.0 1981 34.5 12 24.0 25 15.5 26 59.0 1 28.5 16 6.0 6 5.0 12 27.5 8 41.5 22 65.0 16 21.0 21 25.0 29 65.0 1982 28.0 14 24.0 5 50.0 25 ***** ** 32.0 24 13.5 28 6.0 31 25.0 9 299.5 19 134.0 24 58.5 25 7.0 5 ***** 1983 30.0 26 3.0 25 28.5 2 31.0 20 12.0 30 24.0 17 10.0 25 33.0 29 67.0 20 51.0 12 31.0 4 30.0 3 67.0 1984 16.0 28 30.0 3 22.5 15 7.0 11 33.0 5 7.0 15 10.5 27 30.0 3 20.0 4 85.0 18 34.0 29 32.0 27 85.0 1985 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1986 57.3 20 19.0 1 23.0 16 9.0 3 13.0 8 17.0 20 28.0 18 7.0 24 123.0 21 49.0 14 24.2 23 40.0 9 123.0 1987 23.0 6 15.0 27 27.0 14 19.0 4 11.1 29 4.0 4 53.1 3 50.2 16 85.2 1 82.0 3 18.0 7 27.0 5 85.2 1988 21.0 16 14.1 17 12.0 31 22.6 30 51.0 30 44.0 19 9.0 15 39.0 29 90.0 12 36.5 27 28.7 29 37.0 27 90.0 1989 35.0 3 82.0 11 29.0 29 3.0 18 13.0 11 4.0 8 20.0 10 24.0 17 124.5 21 93.0 14 21.0 6 38.0 1 124.5 1990 28.0 6 20.0 21 29.0 16 19.0 2 18.1 13 18.1 17 20.5 30 14.4 26 62.0 30 65.0 24 15.0 11 87.2 11 87.2 1991 13.0 15 17.6 21 65.0 9 14.1 12 15.0 14 6.0 12 23.0 8 28.0 26 43.0 24 44.0 10 55.4 26 16.5 2 65.0 1992 25.0 24 17.0 24 64.0 7 41.0 18 27.0 4 26.0 5 121.0 10 28.0 27 93.0 27 32.3 7 30.8 3 38.0 3 121.0 1993 32.0 5 25.3 12 22.0 10 9.4 22 6.1 7 38.9 20 69.0 26 17.0 31 85.0 21 69.0 4 34.0 24 5.5 8 85.0 1994 11.0 21 29.1 10 16.3 8 10.5 30 30.0 6 40.0 3 19.2 26 30.5 19 14.0 3 33.0 15 103.0 5 23.0 20 103.0 1995 18.5 20 20.0 5 14.3 14 17.4 24 6.1 6 18.0 8 2.0 4 64.0 14 83.0 20 161.0 24 66.3 11 19.0 17 161.0 1996 34.0 8 58.0 2 17.0 13 15.5 9 9.0 1 13.0 11 1.3 26 32.0 29 70.3 20 70.0 14 103.1 11 32.4 11 103.1 1997 24.8 16 41.0 5 41.0 7 27.0 11 8.0 4 39.3 3 17.7 17 16.4 21 146.0 3 25.0 28 24.6 7 46.0 16 146.0 1998 30.0 2 47.0 19 38.0 31 16.0 28 23.4 29 23.0 24 37.6 7 27.0 18 78.0 3 94.0 9 37.6 9 73.0 2 94.0 1999 29.8 18 17.4 4 34.0 16 28.0 8 58.0 8 0.2 10 111.0 12 33.0 7 52.0 15 79.0 19 34.3 6 21.0 24 111.0 2000 43.0 16 29.0 29 49.0 24 1.0 10 36.0 4 28.0 12 4.0 11 113.0 26 190.0 25 61.0 13 84.0 9 19.0 9 190.0 HIG. 62.0 23 82.0 11 73.0 15 59.0 1 58.0 8 92.0 17 131.0 22 239.0 24 299.5 19 161.0 24 103.1 11 87.2 11 299.5 YEAR 1979 1989 1975 1981 1999 1980 1965 1962 1982 1995 1996 1990 1982 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 11 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. MONTHLY TOTAL PRECIPITATION WITH SEASONAL PERCENT. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL SEASONAL-PERCENT ----------------------- 1961 73.0 187.5 27.6 79.9 40.4 72.7 64.8 48.6 246.4 238.5 116.1 41.6 1237.1 23.3 15.6 29.1 32.0 1962 72.5 49.9 36.3 62.3 23.5 43.0 0.3 378.5 126.4 183.2 184.9 124.5 1285.3 12.3 10.0 39.3 38.3 1963 106.2 129.9 117.7 38.1 105.7 176.4 53.3 136.5 61.5 250.2 253.7 185.8 1615.0 21.9 19.8 15.6 42.7 1964 86.1 91.1 120.8 127.8 24.8 54.5 42.4 175.0 149.8 97.6 81.0 77.9 1128.8 26.4 18.3 32.5 22.7 1965 145.2 34.6 63.3 51.1 41.5 11.5 157.5 53.0 245.3 268.0 43.8 16.2 1131.0 21.5 9.2 40.3 29.0 1966 37.5 58.0 101.6 52.7 35.1 43.6 0.3 112.9 287.7 342.4 107.2 52.7 1231.7 16.0 10.7 32.5 40.8 1967 35.0 129.6 108.7 34.0 38.6 38.8 3.1 30.7 249.4 243.9 96.9 52.7 1061.4 25.7 10.5 26.7 37.1 1968 49.3 69.2 110.8 98.5 39.8 79.1 50.7 23.9 89.8 318.1 113.0 71.5 1113.7 20.6 19.5 14.8 45.1 1969 155.0 97.7 241.8 77.8 53.0 79.0 27.1 29.8 235.2 398.9 84.6 60.3 1540.2 32.1 13.6 19.0 35.3 1970 127.1 16.0 75.4 33.2 6.5 30.0 15.5 96.0 315.0 74.7 157.6 170.5 1117.5 19.6 6.2 38.2 36.0 1971 179.5 19.5 73.2 89.6 22.6 2.0 0.0 47.7 69.0 166.3 60.2 44.2 773.8 35.2 14.8 15.1 35.0 1972 131.7 83.5 201.2 43.2 88.2 86.5 0.4 67.0 213.5 146.3 84.3 75.7 1221.5 34.1 17.8 23.0 25.1 1973 89.6 31.8 98.9 30.0 83.2 2.8 7.1 125.0 311.8 141.4 102.8 122.8 1147.2 19.2 10.1 38.7 32.0 1974 147.5 70.0 110.7 96.4 19.5 9.3 200.0 99.5 104.2 2.5 189.0 89.9 1138.5 28.8 11.0 35.5 24.7 1975 71.0 78.8 123.2 25.9 56.0 16.5 0.0 28.3 65.1 286.5 330.4 127.0 1208.7 22.6 8.1 7.7 61.5 1976 36.0 131.8 114.5 32.5 38.2 14.0 134.0 43.6 343.5 295.1 145.8 124.5 1453.5 19.4 5.8 35.9 38.9 1977 136.8 16.6 57.5 40.5 36.0 23.0 20.0 68.5 297.0 375.0 92.0 138.5 1301.4 16.2 7.6 29.6 46.5 1978 73.0 63.5 37.3 54.0 107.2 ****** 0.0 16.0 26.5 177.2 198.5 70.0 ****** 21.1 19.6 5.2 54.1 1979 124.0 138.3 61.5 74.5 32.5 39.5 9.0 21.0 96.0 236.5 173.0 82.0 1087.8 29.8 13.5 11.6 45.2 1980 181.5 180.0 160.0 94.0 158.5 92.0 0.0 198.0 119.5 215.0 171.5 82.0 1652.0 31.6 20.9 19.2 28.4 1981 48.0 78.0 73.5 159.0 79.5 24.0 16.5 76.5 188.5 159.0 73.0 61.0 1036.5 19.2 25.3 27.2 28.3 1982 98.2 93.5 245.0 ****** 88.0 38.5 6.0 49.5 918.0 470.0 261.0 19.0 ****** 19.1 5.5 42.6 32.8 1983 75.0 5.0 111.0 61.0 37.0 66.5 27.0 95.0 195.5 202.0 106.5 60.0 1041.5 18.3 15.8 30.5 35.4 1984 50.5 142.0 125.0 33.5 89.5 7.0 14.5 48.5 43.5 328.5 103.5 92.0 1078.0 29.5 12.1 9.9 48.6 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1986 108.5 81.1 131.0 28.4 36.3 38.8 30.1 10.1 308.0 230.5 218.9 104.7 1326.4 24.2 7.8 26.3 41.8 1987 78.8 81.7 88.6 63.1 18.6 6.0 84.6 137.4 286.3 296.0 36.5 116.2 1293.8 19.3 6.8 39.3 34.7 1988 94.4 60.7 74.6 85.5 98.5 61.4 22.9 144.8 237.6 124.4 126.7 76.0 1207.5 19.0 20.3 33.6 27.1 1989 107.6 157.5 37.9 6.9 36.0 6.8 31.7 36.4 260.7 382.7 91.9 70.1 1226.2 24.7 4.1 26.8 44.4 1990 106.6 107.2 86.4 88.1 40.5 20.7 31.7 41.1 142.0 347.7 83.4 290.0 1385.4 21.7 10.8 15.5 52.0 1991 41.6 40.9 192.2 43.7 63.6 14.1 58.7 60.4 177.6 204.4 163.6 93.1 1153.9 23.8 10.5 25.7 40.0 1992 55.5 56.7 171.7 168.8 68.1 86.5 127.7 100.0 227.4 141.6 143.2 85.9 1433.1 19.8 22.6 31.8 25.9 1993 96.4 129.0 92.1 29.7 28.2 118.9 115.8 55.1 207.2 269.2 230.1 19.2 1390.9 22.8 12.7 27.2 37.3 1994 22.8 103.8 119.0 37.0 77.4 97.5 19.6 54.7 40.2 126.6 252.4 88.8 1039.8 23.6 20.4 11.0 45.0 1995 65.1 52.8 43.2 49.1 26.0 40.9 2.0 127.4 252.2 492.1 71.2 80.2 1302.2 12.4 8.9 29.3 49.4 1996 144.0 123.6 94.1 50.7 30.1 32.2 1.4 84.3 309.2 141.8 163.6 92.3 1267.3 28.5 8.9 31.2 31.4 1997 117.6 187.4 121.7 33.3 23.9 89.5 65.4 47.5 501.6 90.8 60.7 107.2 1446.6 29.5 10.1 42.5 17.9 1998 129.6 212.8 93.4 63.2 49.4 41.0 44.5 95.5 244.8 342.8 217.3 169.6 1703.9 25.6 9.0 22.6 42.8 1999 89.6 21.2 106.1 66.9 182.3 0.2 115.3 222.0 150.2 270.0 207.3 49.9 1481.0 14.6 16.8 32.9 35.6 2000 141.2 107.2 173.8 2.2 78.3 39.1 4.1 177.3 628.1 242.2 243.7 92.7 1929.9 21.9 6.2 41.9 30.0 MEAN 95.6 90.2 108.3 60.7 56.5 45.9 41.2 88.8 230.0 239.0 144.6 91.7 1292.5 22.8 12.6 27.9 36.8 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 12 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 10 13 7 8 6 4 2 2 17 12 10 6 97 1962 9 9 5 8 7 6 1 9 8 11 17 11 101 1963 12 11 13 16 16 11 6 12 4 18 14 10 143 1964 11 9 15 19 2 4 5 10 8 11 8 10 112 1965 18 6 11 14 7 5 9 7 11 20 7 4 119 1966 6 9 9 8 9 6 1 4 16 12 6 7 93 1967 5 9 13 12 8 3 2 2 15 8 11 8 96 1968 7 10 11 14 5 7 5 10 7 17 12 10 115 1969 21 16 13 15 8 4 5 3 10 19 7 8 129 1970 11 9 10 3 2 2 2 4 10 6 8 11 78 1971 7 3 9 11 7 1 0 7 2 10 7 4 68 1972 15 7 14 4 11 7 1 2 11 10 5 9 96 1973 10 3 9 7 7 1 3 10 14 11 9 10 94 1974 15 11 13 9 2 3 11 9 10 1 12 9 105 1975 10 11 8 6 6 4 0 3 9 12 13 9 91 1976 6 12 14 4 8 3 4 4 11 13 9 15 103 1977 14 4 10 3 4 2 3 4 9 15 6 12 86 1978 8 7 6 5 11 *** 0 2 3 12 12 6 *** 1979 9 12 4 9 4 5 1 1 4 14 7 5 75 1980 14 12 11 7 8 1 0 11 6 11 11 4 96 1981 4 8 9 10 7 7 5 6 8 7 6 7 84 1982 9 12 13 *** 12 6 1 5 11 13 8 3 *** 1983 5 2 9 7 6 6 5 8 8 7 9 4 76 1984 6 9 14 8 9 1 2 3 6 13 9 12 92 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 6 10 15 8 16 7 3 3 10 19 26 8 131 1987 12 16 14 12 5 2 4 10 15 22 7 12 131 1988 12 11 13 16 9 9 7 12 13 15 15 10 142 1989 10 9 6 5 10 6 4 7 8 21 16 12 114 1990 11 14 15 12 8 3 3 7 8 16 10 18 125 1991 10 14 18 13 16 6 6 5 8 13 19 12 140 1992 9 11 11 18 14 13 4 9 13 9 12 12 135 1993 15 16 15 13 14 13 6 8 17 15 23 9 164 1994 12 17 19 12 13 12 2 5 6 15 17 12 142 1995 10 10 11 9 8 10 1 7 9 13 5 13 106 1996 12 14 14 15 11 6 2 6 14 14 10 11 129 1997 14 13 14 6 11 14 8 7 21 10 10 9 137 1998 19 15 11 14 10 5 7 9 15 13 18 13 149 1999 10 4 12 13 16 1 4 12 15 11 17 7 122 2000 14 12 14 5 8 3 2 9 14 19 17 15 132 MEAN 11 10 12 10 9 6 4 7 10 13 11 9 112 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 13 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. NO. OF DAYS PRECIPITATION EQUAL OR MORE THAN 1 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 7 10 7 8 3 3 2 1 16 12 8 5 82 1962 9 6 4 6 5 4 0 7 7 11 17 11 87 1963 11 11 12 14 14 9 5 10 4 17 13 10 130 1964 10 9 14 15 2 4 4 8 8 10 7 10 101 1965 18 5 9 9 6 5 6 4 11 19 6 4 102 1966 6 7 7 6 5 4 0 3 16 11 6 6 77 1967 5 9 11 10 8 2 2 2 15 7 11 7 89 1968 7 9 9 10 4 5 5 7 6 17 11 9 99 1969 20 14 12 13 6 4 4 3 9 18 7 8 118 1970 11 7 9 3 2 2 2 4 10 6 8 10 74 1971 7 3 9 10 6 1 0 7 2 10 7 4 66 1972 13 7 14 4 9 6 0 2 11 10 5 9 90 1973 10 3 9 7 7 1 2 9 14 11 9 10 92 1974 14 11 11 9 2 2 10 8 10 1 12 9 99 1975 8 11 6 6 6 4 0 3 9 12 13 9 87 1976 6 12 14 4 8 3 4 3 11 12 9 13 99 1977 13 4 9 3 4 2 3 4 9 15 6 12 84 1978 8 7 6 5 11 *** 0 2 3 12 12 6 *** 1979 9 12 4 9 4 5 1 1 4 14 7 5 75 1980 14 12 11 7 8 1 0 11 6 11 11 4 96 1981 4 8 9 10 7 7 5 6 8 7 6 7 84 1982 9 11 13 *** 12 6 1 5 11 13 8 3 *** 1983 5 2 9 7 6 6 5 8 8 7 9 4 76 1984 6 9 14 8 9 1 2 3 5 13 9 12 91 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 6 8 14 6 10 4 2 2 10 14 20 8 104 1987 10 13 10 7 4 2 3 7 14 20 5 11 106 1988 11 9 13 12 7 6 5 9 11 12 11 6 112 1989 8 8 4 3 6 1 3 3 6 17 14 8 81 1990 10 12 14 10 7 2 3 6 7 15 10 17 113 1991 8 8 17 8 10 5 4 4 8 13 13 10 108 1992 6 11 10 17 8 11 4 8 11 8 9 7 110 1993 12 11 13 6 8 12 5 7 13 12 19 5 123 1994 7 11 14 7 8 10 1 3 5 12 11 9 98 1995 7 7 7 6 7 5 1 5 8 10 2 9 74 1996 10 10 11 8 6 4 1 6 11 13 7 6 93 1997 12 13 11 5 6 7 6 3 18 9 7 9 106 1998 14 10 8 11 8 3 4 8 12 11 16 10 115 1999 8 2 11 7 12 0 2 12 10 10 14 6 94 2000 12 9 14 1 8 2 1 5 12 18 15 13 110 MEAN 10 9 10 8 7 4 3 5 9 12 10 8 95 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 14 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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 2 7 0 4 1 1 1 1 12 8 4 1 42 1962 2 2 1 1 1 2 0 5 5 8 7 5 39 1963 3 5 4 0 4 5 3 6 2 11 9 7 59 1964 4 4 5 6 1 2 2 4 5 4 2 3 42 1965 7 1 3 1 2 0 2 2 7 9 2 1 37 1966 1 2 4 1 1 1 0 2 6 9 5 2 34 1967 1 5 4 0 0 1 0 2 9 6 4 3 35 1968 1 3 4 4 1 2 3 0 3 7 5 2 35 1969 3 2 9 2 2 1 1 1 5 7 1 2 36 1970 5 0 3 2 0 1 1 4 8 1 5 6 36 1971 4 1 3 3 0 0 0 2 2 5 2 2 24 1972 5 3 6 2 3 2 0 2 7 5 2 3 40 1973 4 1 3 0 4 0 0 4 7 6 3 3 35 1974 6 1 5 3 1 0 5 3 5 0 7 3 39 1975 1 4 3 1 2 0 0 1 2 9 6 5 34 1976 2 6 3 1 1 0 4 1 7 7 4 5 41 1977 6 1 1 2 2 1 1 3 8 7 4 6 42 1978 3 3 2 2 4 *** 0 0 1 5 8 4 *** 1979 4 7 1 4 1 2 0 1 3 5 5 3 36 1980 5 7 6 2 5 1 0 6 4 6 6 3 51 1981 1 3 4 5 3 0 0 3 5 4 3 2 33 1982 5 3 7 *** 2 1 0 1 8 11 7 0 *** 1983 3 0 4 2 1 3 1 4 7 5 4 2 36 1984 2 6 4 0 3 0 1 2 1 8 5 2 34 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 4 2 5 0 1 2 1 0 4 9 12 2 42 1987 2 3 3 2 1 0 3 3 7 8 2 5 39 1988 4 3 3 3 2 1 0 6 7 4 5 2 40 1989 4 4 1 0 1 0 1 1 5 10 4 2 33 1990 5 4 2 4 1 1 1 1 3 8 5 7 42 1991 2 1 7 1 3 0 3 3 6 7 5 5 43 1992 2 1 5 7 2 4 1 3 4 5 9 3 46 1993 2 7 4 0 0 5 2 3 6 5 10 0 44 1994 1 4 4 1 3 3 1 2 2 5 8 3 37 1995 3 2 2 2 0 1 0 3 4 7 1 3 28 1996 6 3 4 1 0 1 0 3 7 2 2 4 33 1997 4 6 3 1 0 2 3 3 12 5 3 3 45 1998 5 6 4 2 1 2 1 5 8 6 10 4 54 1999 4 1 4 3 4 0 1 7 5 6 9 2 46 2000 5 3 5 0 3 2 0 3 8 8 5 4 46 MEAN 3 3 4 2 2 1 1 3 6 6 5 3 39 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 15 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 87 92 87 88 88 86 90 86 91 91 88 92 89 1962 90 93 94 89 90 82 80 88 92 94 95 93 90 1963 95 94 91 94 91 90 79 82 88 93 91 87 90 1964 75 92 94 91 86 77 81 87 90 87 90 89 87 1965 87 86 92 90 84 80 83 83 89 93 90 89 87 1966 92 96 92 92 92 85 79 78 90 94 93 95 90 1967 90 89 93 93 88 81 77 84 91 93 92 92 89 1968 83 92 94 95 83 88 82 85 88 93 97 95 90 1969 96 95 97 96 91 85 83 85 89 96 94 93 92 1970 94 91 89 88 81 78 69 81 86 90 94 92 86 1971 91 89 94 93 83 69 67 78 80 89 93 80 84 1972 92 91 96 91 86 80 73 81 93 95 92 87 88 1973 89 91 93 90 89 82 85 88 92 92 85 91 89 1974 91 91 94 92 91 88 88 85 88 84 91 86 89 1975 86 85 89 84 86 81 73 78 86 93 95 90 86 1976 88 89 90 83 89 82 83 83 91 94 90 88 88 1977 84 91 92 92 89 86 74 86 91 91 92 90 88 1978 88 92 89 88 91 *** 86 88 86 91 89 84 *** 1979 84 88 89 90 82 80 78 74 87 89 92 88 85 1980 89 87 90 88 90 84 78 82 89 91 91 87 87 1981 83 88 91 88 89 81 79 85 88 90 88 81 86 1982 84 88 89 *** 89 82 79 86 87 91 91 84 *** 1983 81 81 88 85 87 86 80 84 89 90 90 87 86 1984 90 87 94 89 82 82 78 85 88 92 91 89 87 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 88 94 93 90 90 86 88 87 92 96 93 88 90 1987 87 94 92 90 90 78 87 88 94 93 89 92 90 1988 89 92 92 87 92 86 81 86 92 93 92 92 90 1989 84 91 89 93 88 84 83 89 91 96 88 90 89 1990 90 91 90 95 91 87 84 89 94 97 97 93 92 1991 87 89 94 95 91 86 86 87 93 95 95 91 91 1992 81 86 91 93 89 90 85 90 92 92 89 86 89 1993 79 91 91 91 88 91 89 88 93 93 90 92 90 1994 93 91 92 89 92 86 80 87 90 94 93 91 90 1995 91 92 89 84 87 85 74 83 90 91 87 83 86 1996 87 90 88 89 91 87 85 88 93 91 91 88 89 1997 85 84 87 83 85 88 85 85 92 91 90 91 87 1998 86 89 89 88 83 78 82 82 91 93 94 89 87 1999 91 83 90 89 88 77 81 87 89 91 86 90 87 2000 81 87 90 89 87 79 81 82 89 94 91 91 87 MEAN 87 90 91 90 88 83 81 85 90 92 91 89 88 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 16 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 85 86 79 74 76 73 75 74 83 79 80 81 79 1962 77 82 83 75 72 65 68 72 75 76 86 78 76 1963 85 83 77 82 78 72 58 68 69 84 85 79 77 1964 68 84 85 76 70 63 62 68 70 74 74 78 73 1965 79 74 79 75 68 63 67 67 74 79 80 82 74 1966 84 83 83 76 77 72 66 63 80 83 84 85 78 1967 78 78 82 79 69 66 58 68 80 79 82 82 75 1968 71 80 81 78 71 73 63 67 73 83 89 86 76 1969 93 89 89 85 78 67 65 66 74 86 84 84 80 1970 86 82 81 75 68 57 57 66 74 79 84 82 74 1971 77 73 85 82 67 61 52 62 65 77 81 74 71 1972 87 87 82 72 75 71 60 62 69 81 80 78 75 1973 84 78 81 76 74 67 66 76 78 78 75 84 76 1974 86 85 83 78 76 72 76 69 72 67 81 75 77 1975 75 74 74 73 66 59 48 61 68 79 90 76 70 1976 79 79 82 72 71 63 59 65 75 82 77 80 74 1977 84 80 82 77 62 65 58 67 78 79 80 82 75 1978 81 87 80 77 79 *** 60 74 68 82 77 76 *** 1979 79 81 75 81 69 64 63 63 72 80 85 81 74 1980 83 86 83 77 80 64 56 71 72 81 82 81 76 1981 75 76 84 78 74 69 64 74 72 79 74 74 74 1982 78 80 81 *** 74 69 61 68 76 85 80 79 *** 1983 70 70 75 76 72 72 65 65 76 76 82 79 73 1984 76 79 84 76 66 64 60 63 71 81 83 83 74 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 77 86 83 76 76 66 65 66 75 84 87 77 77 1987 82 84 77 76 65 56 60 68 76 82 73 79 73 1988 77 79 76 67 68 64 56 63 74 77 75 73 71 1989 68 68 75 72 70 58 61 68 73 85 78 80 71 1990 78 79 79 84 77 71 67 70 76 86 82 84 78 1991 77 81 87 82 76 65 63 64 72 78 86 75 76 1992 64 70 76 78 73 72 62 67 74 73 76 73 72 1993 64 79 70 73 69 72 65 66 77 75 83 78 73 1994 80 80 75 72 75 68 54 64 69 77 78 69 72 1995 77 78 79 72 67 66 50 63 69 73 67 66 69 1996 77 78 79 80 72 70 65 68 78 79 78 75 75 1997 73 67 71 67 68 71 69 65 79 73 75 80 72 1998 74 73 78 70 70 61 60 64 77 77 84 81 72 1999 77 65 75 70 70 55 59 71 71 72 73 74 69 2000 72 70 73 70 69 61 60 62 77 84 82 80 72 MEAN 78 79 80 76 72 66 62 67 74 79 80 79 74 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 17 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 95 95 90 86 91 86 87 80 89 88 89 87 89 1962 84 87 90 85 84 82 77 80 83 87 93 82 85 1963 87 88 89 90 85 82 71 77 78 89 91 85 84 1964 81 90 91 88 80 72 71 76 79 81 85 88 82 1965 92 82 87 85 77 73 73 72 79 90 90 89 82 1966 89 91 89 87 84 77 71 71 87 92 92 91 85 1967 84 90 91 85 79 73 65 77 86 87 89 87 83 1968 81 90 89 84 80 77 74 73 79 89 94 91 83 1969 95 95 95 88 83 81 71 73 82 92 89 90 86 1970 94 89 87 81 72 66 62 69 77 83 88 91 80 1971 90 79 90 86 71 61 56 67 70 83 86 79 77 1972 92 93 92 77 79 73 66 65 84 88 86 87 82 1973 90 87 88 84 83 76 77 82 86 84 86 88 84 1974 90 90 87 85 86 81 84 78 80 77 89 83 84 1975 83 82 84 83 81 75 63 72 75 88 92 84 80 1976 84 86 89 81 82 73 69 71 83 89 86 88 82 1977 90 87 89 83 70 74 63 72 85 85 87 87 81 1978 86 89 84 84 84 *** 71 82 78 89 85 79 *** 1979 82 86 81 87 77 73 68 71 77 84 89 86 80 1980 88 89 85 82 83 72 61 75 79 86 87 80 81 1981 78 81 90 85 78 76 71 80 80 84 82 80 80 1982 82 87 87 *** 79 76 68 69 81 87 83 84 *** 1983 75 78 81 80 76 77 72 72 81 82 88 83 79 1984 82 84 88 83 75 72 69 70 77 85 88 85 80 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 87 92 86 81 83 76 73 75 85 92 94 87 84 1987 89 89 84 80 76 67 67 78 88 91 87 86 82 1988 87 88 85 76 77 71 62 74 85 87 89 89 81 1989 84 86 84 80 80 67 68 71 83 92 90 89 81 1990 92 88 86 88 84 77 74 78 88 97 95 94 87 1991 90 89 92 85 83 73 71 74 83 92 94 88 85 1992 82 83 83 84 80 80 67 72 84 88 89 85 81 1993 79 86 80 81 77 77 73 74 85 89 88 89 82 1994 90 89 85 80 83 73 60 73 78 87 90 85 81 1995 87 86 85 76 72 73 58 72 79 88 84 83 79 1996 85 82 82 85 81 79 74 77 88 89 88 84 83 1997 85 80 80 72 77 79 74 72 88 88 87 88 81 1998 85 85 86 76 76 68 65 72 84 91 93 88 81 1999 88 77 83 80 77 62 64 80 84 85 86 84 79 2000 79 85 82 78 74 66 68 70 84 92 90 89 80 MEAN 86 87 87 83 79 74 69 74 82 88 89 86 82 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 18 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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 0 1 0 0 0 0 0 0 0 0 0 0 1 1962 0 0 0 0 0 0 0 0 0 0 0 0 0 1963 0 0 0 0 0 0 0 0 0 0 0 4 4 1964 6 0 0 0 0 0 0 0 0 0 0 1 7 1965 0 0 0 0 0 0 0 0 0 0 0 0 0 1966 0 0 0 0 0 0 0 0 0 0 0 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 0 0 1969 8 4 2 0 0 0 0 0 0 0 0 0 14 1970 0 0 0 0 0 0 0 0 0 0 0 0 0 1971 5 0 0 0 0 0 0 0 0 0 0 0 5 1972 9 11 1 0 0 0 0 0 0 0 0 0 21 1973 7 0 0 0 0 0 0 0 0 0 0 0 7 1974 0 4 0 0 0 0 0 0 0 0 0 0 4 1975 0 0 0 0 0 0 0 0 0 0 0 0 0 1976 0 3 0 0 0 0 0 0 0 0 0 0 3 1977 2 0 0 0 0 0 0 0 0 0 0 0 2 1978 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 1 0 0 0 0 0 0 0 0 0 0 0 1 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 0 0 0 *** 0 0 0 0 0 0 0 0 *** 1983 2 0 0 0 0 0 0 0 0 0 0 0 2 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 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 1 1 0 0 0 0 0 0 0 0 0 0 2 1990 2 0 0 0 0 0 0 0 0 0 0 0 2 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 1 0 0 0 0 0 0 0 0 0 0 0 1 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 2 0 0 0 0 0 0 0 0 0 0 2 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 1 0 0 0 0 0 0 0 0 0 0 1 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 1 1 0 0 0 0 0 0 0 0 0 0 2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 19 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. NO. OF DAYS MINIMUM TEMPERATURE EQUAL OR MORE THAN 21 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 0 0 0 0 0 3 14 4 0 0 0 0 21 1962 0 0 0 0 0 0 16 13 1 0 0 0 30 1963 0 0 0 0 0 0 14 10 1 0 0 0 25 1964 0 0 0 0 0 0 6 2 0 0 0 0 8 1965 0 0 0 0 0 0 9 6 1 0 0 0 16 1966 0 0 0 0 0 2 14 18 0 0 0 0 34 1967 0 0 0 0 0 0 4 12 0 0 0 0 16 1968 0 0 0 0 0 0 5 11 1 0 0 0 17 1969 0 0 0 0 0 0 3 2 0 0 0 0 5 1970 0 0 0 0 0 2 11 20 0 0 0 0 33 1971 0 0 0 0 0 3 21 9 2 0 0 0 35 1972 0 0 0 0 0 2 20 11 6 0 0 0 39 1973 0 0 0 0 0 3 8 20 0 0 0 0 31 1974 0 0 0 0 0 4 5 9 0 0 0 0 18 1975 0 0 0 0 0 0 22 10 0 0 0 0 32 1976 0 0 0 0 0 3 6 18 5 0 0 0 32 1977 0 0 0 0 0 8 20 20 5 0 0 0 53 1978 0 0 0 0 0 *** 9 6 1 0 0 0 *** 1979 0 0 0 0 0 0 22 6 5 0 0 0 33 1980 0 0 0 0 0 0 18 18 2 0 0 0 38 1981 0 0 0 0 0 5 20 23 6 0 0 0 54 1982 0 0 0 *** 0 0 18 6 3 0 0 0 *** 1983 0 0 0 0 0 3 22 22 0 0 0 0 47 1984 0 0 0 0 0 2 21 16 1 0 0 0 40 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 0 0 0 0 0 0 18 14 2 0 0 0 34 1987 0 0 0 0 0 4 8 12 2 0 0 0 26 1988 0 0 0 0 0 8 19 13 2 0 0 0 42 1989 0 0 0 0 0 3 24 21 7 0 0 0 55 1990 0 0 0 0 0 2 16 12 3 0 0 0 33 1991 0 0 0 0 0 1 17 15 3 0 0 0 36 1992 0 0 0 0 0 6 16 1 0 0 0 0 23 1993 0 0 0 0 0 2 9 11 1 0 0 0 23 1994 0 0 0 0 0 0 7 15 1 0 0 0 23 1995 0 0 0 0 0 1 20 23 4 0 0 0 48 1996 0 0 0 0 0 2 18 15 6 0 0 0 41 1997 0 0 0 0 0 10 23 21 1 0 0 0 55 1998 0 0 0 0 0 12 16 27 2 0 0 0 57 1999 0 0 0 0 0 3 18 28 5 0 0 0 54 2000 0 0 0 0 0 1 22 28 7 0 0 0 58 MEAN 0 0 0 0 0 3 15 14 2 0 0 0 34 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 20 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. NO. OF DAYS MAXIMUM TEMPERATURE EQUAL OR LESS THAN 0 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 0 0 0 0 0 0 0 0 0 0 0 0 0 1962 0 0 0 0 0 0 0 0 0 0 0 0 0 1963 0 0 0 0 0 0 0 0 0 0 0 0 0 1964 0 0 0 0 0 0 0 0 0 0 0 0 0 1965 0 0 0 0 0 0 0 0 0 0 0 0 0 1966 0 0 0 0 0 0 0 0 0 0 0 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 0 0 1969 4 7 0 0 0 0 0 0 0 0 0 0 11 1970 0 0 0 0 0 0 0 0 0 0 0 0 0 1971 1 0 0 0 0 0 0 0 0 0 0 0 1 1972 7 3 0 0 0 0 0 0 0 0 0 0 10 1973 4 0 0 0 0 0 0 0 0 0 0 0 4 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 3 0 0 0 0 0 0 0 0 0 0 0 3 1978 0 0 0 0 0 *** 0 0 0 0 0 0 *** 1979 0 0 0 0 0 0 0 0 0 0 0 0 0 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 0 0 0 *** 0 0 0 0 0 0 0 0 *** 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 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 2 0 0 0 0 0 0 0 0 0 0 0 2 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 2 0 0 0 0 0 0 0 0 0 0 2 1994 0 1 0 0 0 0 0 0 0 0 0 0 1 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 0 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 1 0 0 0 0 0 0 0 0 0 0 0 1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 21 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. NO. OF DAYS MAXIMUM TEMPERATURE EQUAL OR MORE THAN 30 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 0 0 0 0 3 17 24 22 0 0 0 0 66 1962 0 0 0 0 0 4 28 17 1 0 0 0 50 1963 0 0 0 0 0 2 21 17 2 0 0 0 42 1964 0 0 0 0 0 8 9 13 0 0 0 0 30 1965 0 0 0 0 0 1 12 12 0 0 0 0 25 1966 0 0 0 0 0 4 23 28 0 0 0 0 55 1967 0 0 0 0 0 2 18 27 3 0 0 0 50 1968 0 0 0 0 0 2 16 19 4 0 0 0 41 1969 0 0 0 0 0 9 8 16 7 0 0 0 40 1970 0 0 0 0 0 5 27 22 0 0 0 0 54 1971 0 0 0 0 0 7 29 22 12 0 0 0 70 1972 0 0 0 0 1 15 31 28 10 1 0 0 86 1973 0 0 0 0 0 5 22 20 1 0 0 0 48 1974 0 0 0 0 0 9 10 13 0 0 0 0 32 1975 0 0 0 0 1 22 31 24 12 0 0 0 90 1976 0 0 0 0 0 12 19 30 3 0 0 0 64 1977 0 0 0 0 1 12 28 29 3 0 0 0 73 1978 0 0 0 0 0 *** 21 19 17 0 0 0 *** 1979 0 0 0 0 0 4 28 28 11 0 0 0 71 1980 0 0 0 0 0 7 29 20 2 0 0 0 58 1981 0 0 0 0 0 8 25 23 8 0 0 0 64 1982 0 0 0 *** 0 2 25 15 7 0 0 0 *** 1983 0 0 0 0 1 1 24 17 2 0 0 0 45 1984 0 0 0 0 1 3 26 25 0 0 0 0 55 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 0 0 0 1 0 0 11 21 5 0 0 0 38 1987 0 0 0 0 0 8 12 9 0 0 0 0 29 1988 0 0 0 0 0 2 17 6 0 0 0 0 25 1989 0 0 0 0 0 4 18 13 4 1 0 0 40 1990 0 0 0 0 0 1 16 4 1 0 0 0 22 1991 0 0 0 0 0 5 18 12 0 0 0 0 35 1992 0 0 0 1 0 1 9 1 0 1 0 0 13 1993 0 0 0 0 1 0 5 10 1 0 0 0 17 1994 0 0 0 2 1 0 7 11 0 0 0 0 21 1995 0 0 0 0 1 8 23 14 4 0 0 0 50 1996 0 0 0 0 1 2 19 17 2 0 0 0 41 1997 0 0 0 0 0 4 9 16 1 0 0 0 30 1998 0 0 0 0 1 14 18 22 1 0 0 0 56 1999 0 0 0 0 0 3 15 21 1 0 0 0 40 2000 0 0 0 1 1 4 25 25 1 0 0 0 57 MEAN 0 0 0 0 0 6 19 18 3 0 0 0 46 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 22 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. NO. OF DAYS MAXIMUM TEMPERATURE EQUAL OR MORE THAN 40 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 0 0 0 0 0 0 0 0 0 0 0 0 0 1962 0 0 0 0 0 0 0 0 0 0 0 0 0 1963 0 0 0 0 0 0 0 0 0 0 0 0 0 1964 0 0 0 0 0 0 0 0 0 0 0 0 0 1965 0 0 0 0 0 0 0 0 0 0 0 0 0 1966 0 0 0 0 0 0 0 0 0 0 0 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 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 *** 1979 0 0 0 0 0 0 0 0 0 0 0 0 0 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 0 0 0 *** 0 0 0 0 0 0 0 0 *** 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 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 23 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. NO. OF DAYS MAXIMUM TEMPERATURE EQUAL OR MORE THAN 45 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 0 0 0 0 0 0 0 0 0 0 0 0 0 1962 0 0 0 0 0 0 0 0 0 0 0 0 0 1963 0 0 0 0 0 0 0 0 0 0 0 0 0 1964 0 0 0 0 0 0 0 0 0 0 0 0 0 1965 0 0 0 0 0 0 0 0 0 0 0 0 0 1966 0 0 0 0 0 0 0 0 0 0 0 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 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 *** 1979 0 0 0 0 0 0 0 0 0 0 0 0 0 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 0 0 0 *** 0 0 0 0 0 0 0 0 *** 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 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 ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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 8 6 4 0 0 0 0 0 0 0 0 0 18 1 10 3 5 1962 1 0 0 0 0 0 0 0 0 0 0 0 1 1 14 1 14 1963 2 0 3 0 0 0 0 0 0 0 0 12 17 12 3 3 9 1964 26 9 1 0 0 0 0 0 0 0 0 7 43 12 11 3 8 1965 9 9 2 0 0 0 0 0 0 0 0 2 22 12 23 3 16 1966 0 2 0 0 0 0 0 0 0 0 0 0 2 2 6 2 7 1967 1 14 1 0 0 0 0 0 0 0 1 4 21 11 30 3 9 1968 4 7 0 0 0 0 0 0 0 0 0 0 11 1 17 2 11 1969 19 24 4 0 0 0 0 0 0 0 0 0 47 1 4 3 26 1970 3 0 2 0 0 0 0 0 0 0 0 7 12 12 17 3 11 1971 19 5 0 0 0 0 0 0 0 0 0 3 27 12 17 2 14 1972 22 24 6 0 0 0 0 0 0 0 0 10 62 12 22 3 20 1973 25 1 0 0 0 0 0 0 0 0 0 10 36 12 12 2 3 1974 18 14 5 0 0 0 0 0 0 0 0 0 37 1 1 3 8 1975 8 8 4 0 0 0 0 0 0 0 1 10 31 11 14 3 16 1976 5 24 8 0 0 0 0 0 0 0 0 1 38 12 25 3 13 1977 24 2 0 0 0 0 0 0 0 0 0 7 33 12 13 2 2 1978 7 2 0 0 0 *** 0 0 0 0 0 0 *** 1 15 2 24 1979 12 3 3 0 0 0 0 0 0 0 0 0 18 1 8 3 7 1980 17 9 3 0 0 0 0 0 0 0 0 0 29 1 1 3 18 1981 0 0 1 1 0 0 0 0 0 0 0 0 2 3 4 4 2 1982 6 7 4 *** 0 0 0 0 0 0 0 4 *** 12 8 3 29 1983 7 0 2 0 0 0 0 0 0 0 0 6 15 12 23 3 8 1984 1 18 5 0 0 0 0 0 0 0 0 3 27 12 24 3 9 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1986 5 4 3 0 0 0 0 0 0 0 0 5 17 12 5 3 17 1987 0 0 0 0 0 0 0 0 0 0 0 2 2 12 29 12 31 1988 2 7 0 0 0 0 0 0 0 0 0 1 10 12 29 2 19 1989 12 14 0 0 0 0 0 0 0 0 0 0 26 1 3 2 18 1990 14 1 3 0 0 0 0 0 0 0 0 2 20 12 28 3 18 1991 3 8 0 0 0 0 0 0 0 0 0 2 13 12 22 2 23 1992 13 8 0 0 0 0 0 0 0 0 0 1 22 12 31 2 29 1993 12 12 0 0 0 0 0 0 0 0 0 4 28 12 4 2 22 1994 3 14 0 0 0 0 0 0 0 0 0 9 26 12 5 2 26 1995 3 0 0 0 0 0 0 0 0 0 0 5 8 12 18 1 25 1996 6 5 2 0 0 0 0 0 0 0 0 0 13 1 11 3 19 1997 4 11 2 0 0 0 0 0 0 0 0 5 22 12 18 3 10 1998 2 11 0 0 0 0 0 0 0 0 0 0 13 1 10 2 28 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 ** ** ** ** 2000 4 2 1 0 0 0 0 0 0 0 0 0 7 1 16 3 16 MEAN 8 7 2 0 0 0 0 0 0 0 0 3 20 11 14 4 2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 25 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 6.7 6.3 8.6 12.9 20.7 24.5 26.5 25.4 20.0 15.8 12.8 9.8 15.8 1962 6.3 7.8 10.6 13.4 18.6 22.2 27.4 25.3 22.1 16.7 12.1 9.7 16.0 1963 7.4 7.8 7.8 13.2 18.0 22.3 25.9 24.5 22.5 17.1 11.1 5.9 15.3 1964 2.6 4.9 7.8 11.4 19.1 24.5 25.4 24.1 21.4 16.4 12.6 6.4 14.7 1965 4.3 6.4 8.0 10.9 17.9 23.8 25.5 25.2 21.1 14.2 11.5 9.7 14.9 1966 9.3 8.5 10.2 14.9 17.4 23.4 27.2 27.4 21.1 16.5 13.6 10.1 16.6 1967 7.7 3.4 7.4 12.0 19.1 22.1 25.8 26.4 20.6 17.3 12.6 7.5 15.2 1968 7.6 5.4 7.5 12.1 19.9 21.3 25.0 25.4 22.5 17.8 12.5 7.4 15.4 1969 1.4 0.6 5.3 10.6 16.3 23.3 24.3 24.8 21.0 15.2 10.3 9.4 13.5 1970 6.1 8.2 9.1 14.2 19.8 22.7 26.4 25.6 21.1 15.3 12.9 6.6 15.7 1971 3.8 6.4 8.9 11.2 19.2 23.0 27.6 25.6 24.5 17.0 13.0 8.6 15.7 1972 -0.1 0.1 4.8 14.1 18.2 24.1 27.5 26.5 22.5 19.7 13.0 5.1 14.6 1973 2.1 7.4 8.1 13.5 18.6 23.6 26.0 25.5 20.0 17.6 11.2 6.5 15.0 1974 3.3 4.2 7.5 12.2 20.0 23.2 24.1 24.2 21.1 19.5 13.6 8.4 15.1 1975 6.7 6.1 8.4 14.9 20.4 24.9 28.1 25.8 22.4 16.1 8.7 6.2 15.7 1976 6.5 2.5 6.0 14.1 18.0 23.3 25.1 26.6 21.8 14.7 10.8 7.7 14.8 1977 1.1 6.9 9.3 13.7 19.5 24.1 26.2 26.2 21.4 13.9 12.4 5.9 15.1 1978 5.9 5.8 9.5 13.0 16.1 ****** 25.5 25.5 23.5 17.1 8.6 9.4 ****** 1979 6.0 6.8 9.1 13.1 18.7 22.1 26.6 26.7 23.4 17.5 12.5 8.7 15.9 1980 3.8 4.9 7.4 13.3 18.2 23.7 28.1 25.2 21.1 15.9 13.9 10.3 15.5 1981 9.6 8.8 8.6 12.0 17.8 23.7 27.3 26.2 23.0 18.7 13.0 11.3 16.7 1982 5.8 4.0 7.2 ****** 18.7 23.1 26.5 24.4 22.1 15.2 9.8 6.1 ****** 1983 5.9 8.1 8.1 13.8 20.4 23.2 26.7 25.5 20.5 16.7 12.6 7.3 15.7 1984 7.1 2.7 6.3 13.4 18.0 23.0 27.3 25.3 23.0 17.8 12.2 4.6 15.1 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 6.9 5.0 5.9 13.9 17.3 22.8 26.0 26.2 22.7 16.8 10.3 7.1 15.1 1987 7.5 6.4 7.0 10.2 18.5 24.0 25.1 24.7 20.3 13.2 10.8 7.2 14.6 1988 5.4 4.7 8.3 13.8 17.5 24.3 26.8 24.4 21.0 17.1 11.0 8.4 15.2 1989 4.4 4.5 9.8 14.3 18.5 24.1 26.9 26.1 21.9 16.9 13.2 7.7 15.7 1990 4.0 6.3 8.5 12.3 17.3 23.4 26.2 24.7 22.5 16.3 13.5 7.2 15.2 1991 5.3 5.1 7.3 13.1 17.2 23.5 26.6 25.5 21.3 18.6 11.6 7.1 15.2 1992 4.6 5.4 7.4 11.6 15.7 22.3 24.8 23.4 20.7 16.2 11.9 7.4 14.3 1993 4.6 3.5 7.9 12.3 18.3 21.9 24.5 25.1 20.7 15.7 6.9 5.6 13.9 1994 6.0 3.0 7.9 14.1 18.2 21.4 25.0 25.2 21.8 16.9 11.6 5.5 14.7 1995 6.6 7.3 8.9 14.7 19.9 24.1 27.0 26.1 22.6 15.8 13.8 7.1 16.1 1996 5.1 5.8 7.0 11.2 19.9 22.6 26.7 25.9 22.3 17.1 12.0 11.0 15.5 1997 6.5 5.1 7.2 13.7 19.3 23.7 25.7 26.3 19.3 19.1 12.1 7.6 15.5 1998 5.4 4.5 8.4 14.9 19.9 26.2 26.6 26.7 21.5 17.0 12.9 9.5 16.1 1999 7.0 9.6 9.8 13.4 17.2 23.5 26.0 26.7 22.0 17.5 10.5 9.4 16.1 2000 6.4 6.6 7.8 15.8 18.4 23.1 27.2 27.1 22.5 16.0 11.4 8.7 15.9 MEAN 5.5 5.6 8.0 13.1 18.5 23.3 26.2 25.6 21.7 16.7 11.8 7.8 15.3 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 26 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 4.9 4.9 6.1 9.8 17.8 20.9 23.3 21.5 17.7 13.3 10.3 7.6 13.2 1962 3.6 5.7 8.8 10.3 15.4 17.5 22.3 21.4 18.9 14.0 10.6 6.2 12.9 1963 5.5 5.7 5.4 11.3 15.2 18.7 19.5 19.5 18.2 15.2 9.3 2.9 12.2 1964 -1.9 3.1 6.2 8.8 15.1 18.5 19.5 19.4 17.5 12.8 9.2 3.9 11.0 1965 2.0 3.0 5.6 8.0 13.3 18.2 20.2 19.9 17.4 12.0 9.2 7.4 11.3 1966 7.1 6.8 8.2 12.3 14.6 19.1 21.4 21.3 18.4 14.7 11.9 8.5 13.7 1967 4.9 1.0 5.5 9.8 15.1 16.8 18.7 21.7 18.0 14.9 10.5 5.1 11.8 1968 3.5 3.3 5.5 9.6 15.7 17.4 19.5 20.4 18.6 15.7 11.3 6.0 12.2 1969 0.6 -0.5 4.3 8.9 13.4 18.9 18.9 19.7 17.5 13.7 8.5 7.5 11.0 1970 4.5 6.1 6.6 10.8 14.7 16.0 18.4 19.9 17.0 12.5 10.9 4.7 11.8 1971 1.5 3.0 7.2 9.0 14.2 15.5 18.1 19.0 18.8 13.9 10.7 4.7 11.3 1972 -1.6 -1.4 3.2 10.3 14.6 19.1 20.4 20.1 18.8 17.5 10.4 2.5 11.2 1973 0.2 5.0 6.0 10.6 15.3 18.7 21.2 22.0 17.3 14.9 7.9 4.5 12.0 1974 1.5 2.3 5.5 9.6 17.1 19.3 20.8 19.7 17.4 14.9 11.3 5.0 12.0 1975 3.3 2.5 5.3 11.2 16.0 19.0 19.5 19.6 17.7 13.8 7.5 3.2 11.6 1976 3.7 0.1 3.7 10.2 14.5 17.9 19.0 21.1 18.6 12.7 8.0 5.2 11.2 1977 -1.2 4.5 7.3 10.8 14.2 19.0 18.9 21.2 18.5 11.3 10.2 3.6 11.5 1978 3.4 4.1 6.9 10.2 13.5 ****** 19.8 21.9 19.1 14.8 5.9 5.8 ****** 1979 2.5 4.2 5.9 10.7 14.1 16.7 20.3 20.4 19.3 14.7 10.6 6.3 12.2 1980 1.6 2.9 5.1 10.2 15.5 18.2 20.5 20.4 17.2 13.5 11.6 7.1 12.0 1981 5.8 5.5 6.7 9.1 14.3 18.9 21.4 22.3 19.1 15.9 9.7 7.1 13.0 1982 2.6 1.8 4.8 ****** 15.2 18.4 20.2 19.3 18.6 13.0 7.2 3.3 ****** 1983 1.3 3.8 4.9 10.3 16.3 19.0 21.0 20.1 17.2 13.5 10.3 4.9 11.9 1984 4.2 0.1 4.6 10.4 13.1 17.6 20.9 19.7 18.9 15.3 10.1 2.2 11.4 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 4.2 3.6 3.9 10.7 14.1 18.2 21.0 21.4 19.6 15.2 9.0 4.3 12.1 1987 5.0 4.5 4.4 6.9 13.9 17.0 19.0 20.3 17.8 11.3 7.9 4.8 11.1 1988 2.8 2.5 5.7 9.3 13.5 19.1 19.4 19.2 17.9 14.6 8.5 5.7 11.5 1989 0.6 1.2 6.8 11.0 14.7 17.7 20.7 21.3 18.6 15.3 10.2 5.4 11.9 1990 1.9 3.9 5.8 10.5 14.5 19.3 21.3 20.6 19.8 15.1 11.9 5.6 12.5 1991 2.8 2.9 5.9 10.9 14.2 18.4 21.1 20.4 18.0 16.5 10.3 4.5 12.2 1992 0.2 1.7 4.6 9.0 12.2 18.6 18.8 18.8 17.6 13.3 8.9 4.1 10.6 1993 -0.3 1.1 4.2 8.9 14.0 18.1 19.6 20.2 18.0 13.1 4.8 3.3 10.4 1994 3.9 0.8 5.0 10.3 15.1 16.7 17.5 20.1 17.8 14.4 9.4 2.3 11.1 1995 4.0 4.7 6.3 10.2 15.0 18.9 18.2 20.3 18.5 12.9 9.8 2.9 11.8 1996 2.3 2.9 4.2 8.6 16.3 18.5 21.5 21.5 19.7 14.7 9.5 7.7 12.3 1997 3.2 1.0 3.7 8.4 14.9 19.7 21.0 21.0 16.9 16.2 9.3 5.4 11.7 1998 2.4 1.5 5.8 10.8 15.3 19.6 20.1 21.0 18.6 14.6 11.3 7.1 12.3 1999 4.5 4.7 6.9 9.8 13.1 16.0 19.3 22.6 18.4 14.4 7.2 6.1 11.9 2000 2.2 3.3 4.6 11.9 13.9 16.5 20.9 20.9 19.3 14.2 9.4 6.4 12.0 MEAN 2.7 3.0 5.6 10.0 14.7 18.2 20.1 20.5 18.3 14.2 9.5 5.1 11.8 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 27 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 5.57 5.50 6.05 7.73 13.01 15.97 18.36 16.45 12.89 9.66 8.06 6.65 10.49 1962 4.96 5.75 7.10 7.92 11.00 12.80 17.30 16.31 13.86 10.22 8.12 6.05 10.12 1963 5.68 5.76 5.68 8.40 10.96 13.66 14.41 14.49 13.29 10.98 7.48 4.89 9.64 1964 3.39 4.80 5.97 7.15 10.91 13.57 14.39 14.26 12.65 9.49 7.51 5.19 9.11 1965 4.42 4.77 5.74 6.81 9.68 13.27 15.07 14.83 12.58 9.04 7.36 6.54 9.18 1966 6.32 6.24 6.84 9.00 10.55 14.03 16.36 16.21 13.43 10.55 8.79 6.98 10.44 1967 5.50 4.18 5.70 7.68 10.90 12.25 13.72 16.55 13.16 10.75 8.24 5.58 9.52 1968 4.99 4.92 5.70 7.54 11.40 12.62 14.50 15.32 13.67 11.37 8.42 5.88 9.69 1969 4.07 3.73 5.23 7.15 9.73 13.89 13.85 14.61 12.77 10.02 6.99 6.52 9.05 1970 5.34 5.89 6.17 8.16 10.64 11.48 13.50 14.77 12.37 9.09 8.22 5.43 9.25 1971 4.42 4.82 6.37 7.27 10.22 11.21 13.27 13.90 13.85 10.09 8.12 5.48 9.09 1972 3.48 3.52 4.83 8.08 10.47 14.05 15.28 14.95 13.80 12.73 7.96 4.68 9.49 1973 3.91 5.48 5.87 8.00 11.00 13.65 16.14 16.91 12.50 10.91 6.80 5.35 9.71 1974 4.27 4.56 5.77 7.59 12.38 14.26 15.67 14.57 12.59 10.80 8.52 5.58 9.71 1975 4.92 4.64 5.64 8.43 11.60 14.00 14.51 14.61 12.81 10.02 6.53 4.87 9.38 1976 5.01 3.89 5.04 7.88 10.40 13.06 13.91 15.95 13.60 9.42 6.79 5.61 9.21 1977 3.53 5.27 6.42 8.11 10.31 13.94 13.81 15.99 13.57 8.61 7.81 5.05 9.37 1978 4.89 5.12 6.25 7.85 9.71 ****** 14.71 17.02 14.03 10.60 5.83 5.79 ****** 1979 4.63 5.26 5.91 8.08 10.24 12.02 15.16 15.33 14.30 10.74 8.10 6.01 9.65 1980 4.35 4.75 5.57 7.83 11.12 13.27 15.35 15.22 12.50 9.78 8.62 6.34 9.56 1981 5.82 5.73 6.18 7.33 10.32 13.89 16.22 17.12 14.19 11.48 7.66 6.40 10.20 1982 4.73 4.39 5.45 ****** 10.92 13.34 15.00 14.19 13.57 9.53 6.45 4.88 ****** 1983 4.28 5.09 5.49 7.95 11.74 13.96 15.84 14.96 12.39 9.79 7.98 5.48 9.58 1984 5.20 3.84 5.42 7.90 9.59 12.79 15.75 14.62 13.86 11.04 7.82 4.50 9.36 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 5.24 4.96 5.06 8.08 10.24 13.27 15.81 16.27 14.65 10.90 7.36 5.26 9.76 1987 5.48 5.26 5.23 6.32 10.18 12.34 13.97 15.22 12.92 8.55 6.77 5.47 8.97 1988 4.69 4.60 5.75 7.50 9.91 14.03 14.42 14.09 12.98 10.51 7.02 5.81 9.28 1989 4.03 4.23 6.23 8.32 10.56 12.85 15.58 16.06 13.73 11.06 7.96 5.63 9.69 1990 4.44 5.08 5.89 8.05 10.42 14.15 16.11 15.42 14.67 10.94 8.85 5.93 10.00 1991 4.70 4.79 5.85 8.24 10.19 13.47 15.99 15.27 13.09 11.88 7.86 5.33 9.72 1992 3.92 4.33 5.36 7.18 9.12 13.71 13.73 13.72 12.84 9.67 7.28 5.27 8.84 1993 3.75 4.19 5.23 7.20 10.18 13.16 14.50 15.02 13.07 9.54 5.51 4.88 8.85 1994 5.08 4.08 5.48 8.00 10.84 12.06 12.65 14.92 12.93 10.40 7.50 4.58 9.04 1995 5.10 5.35 5.99 7.88 10.86 13.88 13.27 15.17 13.65 9.43 7.86 4.74 9.43 1996 4.59 4.76 5.19 7.03 11.83 13.56 16.43 16.34 14.63 10.64 7.51 6.60 9.92 1997 4.92 4.17 5.04 7.07 10.75 14.62 15.80 15.86 12.21 11.71 7.40 5.69 9.60 1998 4.54 4.31 5.77 8.20 11.11 14.53 14.95 15.85 13.58 10.62 8.49 6.31 9.86 1999 5.30 5.39 6.26 7.62 9.51 11.58 14.22 17.49 13.48 10.51 6.49 5.92 9.48 2000 4.57 4.86 5.35 8.80 10.08 11.96 15.78 15.89 14.22 10.23 7.43 6.06 9.60 MEAN 4.72 4.83 5.74 7.77 10.63 13.32 15.01 15.43 13.36 10.34 7.58 5.62 9.53 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 28 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 8.96 8.85 9.72 12.39 20.69 25.27 28.95 26.01 20.50 15.44 12.92 10.68 16.70 1962 7.99 9.25 11.40 12.70 17.55 20.35 27.32 25.80 22.02 16.32 13.01 9.73 16.12 1963 9.14 9.26 9.14 13.46 17.49 21.70 22.86 22.99 21.12 17.52 12.00 7.87 15.38 1964 5.47 7.73 9.60 11.48 17.40 21.56 22.84 22.64 20.13 15.17 12.05 8.35 14.54 1965 7.13 7.68 9.23 10.93 15.48 21.09 23.88 23.51 20.03 14.45 11.81 10.51 14.65 1966 10.15 10.03 10.98 14.41 16.84 22.28 25.87 25.65 21.35 16.84 14.07 11.21 16.64 1967 8.85 6.73 9.16 12.32 17.39 19.50 21.79 26.17 20.92 17.15 13.20 8.98 15.18 1968 8.04 7.93 9.17 12.10 18.17 20.08 23.00 24.27 21.71 18.12 13.49 9.45 15.46 1969 6.56 6.01 8.42 11.48 15.55 22.05 21.99 23.18 20.31 16.00 11.23 10.48 14.44 1970 8.59 9.48 9.92 13.09 16.98 18.30 21.44 23.43 19.69 14.55 13.17 8.73 14.78 1971 7.12 7.77 10.25 11.66 16.33 17.88 21.10 22.08 22.00 16.11 13.01 8.82 14.51 1972 5.62 5.68 7.78 12.94 16.71 22.30 24.21 23.70 21.92 20.26 12.77 7.54 15.12 1973 6.32 8.82 9.44 12.82 17.55 21.69 25.53 26.72 19.90 17.39 10.92 8.60 15.48 1974 6.89 7.35 9.28 12.17 19.71 22.63 24.82 23.12 20.04 17.23 13.65 8.98 15.49 1975 7.92 7.48 9.07 13.50 18.48 22.22 23.02 23.17 20.38 16.00 10.50 7.84 14.97 1976 8.07 6.28 8.12 12.64 16.62 20.77 22.09 25.25 21.60 15.06 10.91 9.03 14.70 1977 5.69 8.49 10.31 13.00 16.47 22.15 21.93 25.32 21.56 13.77 12.52 8.13 14.95 1978 7.88 8.25 10.05 12.59 15.52 ****** 23.33 26.88 22.28 16.93 9.37 9.31 ****** 1979 7.45 8.46 9.51 12.96 16.36 19.15 24.02 24.29 22.69 17.13 12.98 9.66 15.39 1980 7.01 7.65 8.96 12.55 17.74 21.10 24.32 24.12 19.89 15.63 13.80 10.19 15.25 1981 9.36 9.21 9.94 11.76 16.49 22.06 25.68 27.06 22.52 18.30 12.29 10.29 16.25 1982 7.62 7.07 8.77 ****** 17.43 21.21 23.78 22.53 21.57 15.24 10.36 7.86 ****** 1983 6.90 8.20 8.83 12.74 18.71 22.17 25.09 23.72 19.73 15.65 12.79 8.82 15.28 1984 8.37 6.19 8.73 12.66 15.33 20.34 24.94 23.19 22.02 17.61 12.54 7.25 14.93 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 8.44 7.98 8.15 12.96 16.36 21.10 25.04 25.75 23.23 17.40 11.81 8.46 15.56 1987 8.83 8.47 8.43 10.15 16.25 19.64 22.19 24.11 20.55 13.68 10.87 8.80 14.33 1988 7.56 7.41 9.24 12.02 15.84 22.28 22.88 22.37 20.64 16.78 11.27 9.34 14.80 1989 6.50 6.82 10.02 13.33 16.87 20.44 24.68 25.42 21.80 17.64 12.76 9.05 15.44 1990 7.16 8.18 9.48 12.89 16.64 22.47 25.50 24.44 23.28 17.45 14.17 9.54 15.93 1991 7.58 7.71 9.40 13.20 16.28 21.40 25.31 24.20 20.81 18.93 12.61 8.58 15.50 1992 6.32 6.98 8.63 11.53 14.59 21.78 21.81 21.79 20.43 15.45 11.67 8.48 14.12 1993 6.05 6.76 8.42 11.55 16.26 20.93 23.00 23.81 20.78 15.26 8.86 7.86 14.13 1994 8.18 6.59 8.82 12.82 17.30 19.20 20.13 23.66 20.57 16.61 12.03 7.38 14.44 1995 8.21 8.61 9.63 12.63 17.32 22.04 21.10 24.05 21.68 15.08 12.60 7.63 15.05 1996 7.40 7.66 8.36 11.28 18.84 21.55 25.97 25.84 23.20 16.98 12.04 10.60 15.81 1997 7.92 6.72 8.12 11.35 17.15 23.20 25.01 25.11 19.45 18.65 11.87 9.15 15.31 1998 7.32 6.95 9.29 13.14 17.72 23.04 23.71 25.09 21.58 16.95 13.60 10.15 15.71 1999 8.53 8.67 10.06 12.23 15.20 18.45 22.57 27.61 21.43 16.77 10.42 9.52 15.12 2000 7.36 7.83 8.62 14.10 16.10 19.05 24.99 25.15 22.58 16.35 11.92 9.74 15.31 MEAN 7.60 7.77 9.24 12.46 16.97 21.17 23.79 24.44 21.23 16.51 12.15 9.04 15.20 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 29 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 1.14 0.91 1.92 2.84 4.17 6.35 6.31 7.12 3.20 2.88 2.20 1.69 3.39 1962 1.77 1.50 1.50 2.82 4.29 6.98 9.75 7.07 5.06 3.33 1.31 3.08 4.04 1963 1.42 1.61 1.71 1.81 3.48 5.64 11.21 8.40 6.72 2.52 1.60 1.95 4.01 1964 2.06 1.06 1.15 2.25 5.16 9.55 9.96 7.98 5.86 4.03 2.95 1.54 4.46 1965 1.25 2.13 1.62 2.46 5.50 8.80 9.47 9.11 5.50 2.34 2.09 1.80 4.34 1966 1.84 1.27 1.60 2.82 3.45 6.94 10.73 11.47 4.03 2.20 1.72 1.40 4.12 1967 2.02 1.23 1.27 2.18 5.13 7.71 11.83 8.91 3.99 2.98 1.83 1.73 4.24 1968 3.00 1.19 1.43 2.26 5.45 5.95 9.40 8.72 6.30 2.69 1.08 0.98 4.04 1969 0.38 0.53 0.63 1.59 3.27 7.07 8.93 8.68 5.41 1.67 1.50 1.46 3.43 1970 1.00 1.54 2.16 3.34 6.37 9.73 13.37 9.90 5.65 3.02 1.90 1.30 4.94 1971 1.32 2.02 1.22 1.95 6.24 10.66 16.43 11.21 9.32 3.69 2.17 2.75 5.75 1972 0.65 0.68 1.03 3.70 4.53 8.01 12.93 11.75 5.84 3.12 2.56 1.50 4.69 1973 0.98 1.67 1.52 2.87 4.29 7.87 8.63 6.60 4.23 3.52 2.96 1.40 3.88 1974 0.98 1.02 1.41 2.53 4.07 6.54 5.80 7.78 5.36 5.99 2.25 2.23 3.83 1975 2.21 2.17 2.28 3.81 6.00 10.21 15.85 11.33 7.48 2.73 0.98 1.89 5.58 1976 1.82 1.22 1.44 3.86 4.36 8.42 10.47 10.20 5.03 2.24 2.36 1.67 4.42 1977 0.95 1.58 1.56 2.90 6.72 8.41 12.60 9.40 4.51 2.70 2.12 1.40 4.57 1978 1.57 1.06 2.01 2.74 3.04 ****** 10.18 6.61 7.18 2.82 1.86 2.74 ****** 1979 2.48 1.85 2.30 2.26 5.52 7.87 11.16 11.20 6.56 3.27 1.76 1.76 4.83 1980 1.11 1.08 1.62 2.94 3.43 8.69 14.25 8.52 5.45 2.73 2.23 2.69 4.56 1981 2.79 2.38 1.44 2.50 4.41 7.73 11.06 7.35 6.24 3.67 3.00 3.55 4.68 1982 1.99 1.28 1.64 ****** 4.43 7.35 11.28 8.54 5.61 2.30 2.01 1.79 ****** 1983 2.72 2.79 2.28 3.39 5.74 6.80 10.53 9.87 4.64 3.71 2.14 1.85 4.70 1984 1.89 1.27 1.13 2.87 5.81 8.28 12.07 9.68 6.46 3.30 1.86 1.28 4.66 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 1.79 0.90 1.30 3.44 3.77 7.30 9.05 9.05 5.34 1.93 1.11 2.13 3.93 1987 1.96 1.32 1.70 2.48 5.48 10.90 10.34 7.75 3.78 1.93 2.37 1.65 4.31 1988 1.46 1.34 1.79 4.14 4.80 8.60 12.91 8.81 4.63 3.15 2.21 1.91 4.65 1989 2.07 2.00 2.26 3.40 4.80 10.04 11.17 8.87 5.44 2.00 2.82 1.65 4.71 1990 1.19 1.63 2.00 1.77 3.48 6.65 9.03 7.11 4.42 1.48 1.59 1.03 3.45 1991 1.47 1.37 0.99 2.17 3.56 8.24 10.36 9.10 4.94 2.78 1.19 1.68 3.99 1992 2.42 2.31 1.87 2.27 3.77 5.73 10.05 7.56 4.55 3.41 2.67 1.95 4.05 1993 2.81 1.24 2.55 2.92 5.27 5.68 8.18 8.48 4.23 2.90 1.40 1.42 3.92 1994 1.30 1.16 2.05 4.12 3.98 6.75 12.10 8.90 6.04 3.24 1.96 1.85 4.45 1995 1.73 1.72 1.98 4.60 6.48 8.53 15.18 10.19 6.60 3.26 3.78 2.80 5.57 1996 1.52 1.90 1.75 2.21 4.96 6.25 9.67 8.17 4.26 2.82 2.17 2.74 4.03 1997 1.96 2.29 2.25 4.85 5.60 6.54 8.44 9.54 3.37 3.88 2.43 1.62 4.40 1998 1.75 1.73 1.87 4.25 5.92 11.44 11.60 10.75 4.39 2.93 1.58 2.00 5.02 1999 1.63 3.67 2.18 3.52 4.85 10.93 11.62 8.12 5.36 3.89 2.60 2.58 5.08 2000 2.52 2.11 2.17 4.27 5.60 9.67 11.73 11.19 5.04 2.06 1.73 1.65 4.98 MEAN 1.72 1.58 1.71 2.98 4.80 8.02 10.91 9.00 5.33 2.95 2.05 1.90 4.41 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 30 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. AVERAGE OF RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 89 91 85 83 85 82 84 80 88 86 86 87 86 1962 84 87 89 83 82 76 75 80 83 85 91 85 83 1963 89 88 86 89 84 81 69 76 78 89 89 84 84 1964 75 89 90 85 78 71 71 77 80 81 83 85 80 1965 86 81 86 84 76 72 74 74 81 87 87 87 81 1966 88 90 88 85 84 78 72 71 85 90 90 90 84 1967 84 85 89 86 79 73 67 76 86 86 88 87 82 1968 79 87 88 86 78 79 73 75 80 89 93 91 83 1969 95 93 94 90 84 78 73 75 82 91 89 89 86 1970 91 87 86 81 74 67 63 72 79 84 88 88 80 1971 86 80 90 87 73 64 59 69 72 83 87 78 77 1972 90 90 90 80 80 75 66 69 82 88 86 84 82 1973 88 85 87 83 82 75 76 82 85 85 82 88 83 1974 89 89 88 85 84 80 83 78 80 76 87 81 83 1975 81 80 82 80 77 72 61 70 77 87 92 83 79 1976 84 85 87 79 81 73 70 73 83 88 84 85 81 1977 86 86 88 84 74 75 65 75 85 85 87 86 81 1978 85 89 84 83 85 *** 72 81 77 87 84 80 *** 1979 82 85 82 86 76 72 70 69 79 85 88 85 80 1980 87 87 86 82 85 73 65 76 80 86 87 83 81 1981 79 82 88 83 80 75 71 80 80 84 82 78 80 1982 81 85 86 *** 81 76 69 74 81 88 85 82 *** 1983 75 76 82 80 78 78 72 74 82 82 87 83 79 1984 82 83 89 83 74 72 69 73 79 86 88 85 80 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 84 91 87 82 83 76 75 76 84 91 92 84 84 1987 86 89 84 82 77 67 71 78 86 89 83 86 82 1988 85 86 85 76 79 74 66 74 84 86 85 84 80 1989 79 82 83 82 79 69 71 76 82 91 85 86 80 1990 87 86 85 89 84 78 75 79 86 93 91 90 85 1991 85 87 91 88 83 75 73 75 83 89 92 85 84 1992 76 79 84 85 81 81 71 77 84 84 85 82 81 1993 74 85 80 81 78 80 76 76 85 86 87 86 81 1994 87 87 84 80 83 76 65 75 79 86 87 82 81 1995 85 85 84 77 75 74 61 73 79 84 79 77 78 1996 83 83 83 85 81 79 75 78 86 87 85 82 82 1997 81 77 79 74 77 79 76 74 86 84 84 87 80 1998 82 82 84 78 77 69 69 73 84 87 91 86 80 1999 85 75 83 80 78 65 68 79 81 83 81 83 78 2000 78 81 81 79 77 69 70 71 83 90 88 87 80 MEAN 84 85 86 83 80 74 71 75 82 86 87 85 82 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 31 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. AVERAGE OF MAXIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 96 96 93 91 93 89 92 89 93 93 92 94 93 1962 92 95 96 92 91 86 84 89 92 95 97 93 92 1963 96 96 95 96 91 91 80 84 88 95 96 91 92 1964 86 95 96 93 87 80 82 88 90 89 93 93 89 1965 94 90 93 92 85 83 84 85 89 95 94 94 90 1966 96 97 94 94 93 88 81 80 92 95 96 96 92 1967 94 94 96 94 89 83 78 86 92 94 94 96 91 1968 89 95 95 95 86 89 84 86 89 95 98 96 91 1969 98 97 98 97 92 87 83 86 90 98 96 96 93 1970 97 94 92 90 83 79 71 82 87 91 95 95 88 1971 93 91 95 95 84 71 68 79 81 91 94 86 86 1972 95 97 97 91 88 82 74 82 93 96 92 92 90 1973 93 93 94 91 90 83 86 90 93 93 91 96 91 1974 94 95 95 93 92 90 91 87 89 86 94 89 91 1975 90 90 91 87 87 83 73 80 88 94 96 92 88 1976 91 92 92 88 90 82 83 84 91 94 92 91 89 1977 92 94 93 92 89 87 77 86 93 92 93 93 90 1978 91 94 91 91 92 *** 86 90 87 93 91 87 *** 1979 87 90 89 92 85 82 80 77 87 91 93 91 87 1980 94 92 91 89 91 84 78 83 90 93 92 89 89 1981 86 89 94 89 89 82 80 86 89 91 90 86 88 1982 88 91 91 *** 89 84 78 86 89 93 92 88 *** 1983 86 84 89 88 87 87 80 85 90 91 93 91 88 1984 90 91 94 90 83 82 79 86 88 93 92 91 88 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 91 95 94 92 92 87 88 88 93 97 96 92 92 1987 94 95 92 93 90 80 87 89 94 95 91 93 91 1988 91 94 93 90 92 86 82 88 94 94 93 93 91 1989 89 92 90 94 90 84 84 89 93 97 94 94 91 1990 96 94 92 96 93 88 85 90 95 99 98 97 94 1991 93 94 96 95 92 86 87 89 94 96 97 94 93 1992 87 91 93 93 90 90 86 90 95 94 92 90 91 1993 86 93 92 92 89 91 89 89 95 95 92 95 92 1994 94 94 93 92 92 88 81 88 91 95 95 92 91 1995 93 93 92 88 87 85 76 85 91 93 91 87 88 1996 89 91 90 92 91 89 86 89 95 94 92 92 91 1997 90 87 90 86 86 88 86 86 93 92 92 93 89 1998 90 91 91 89 87 80 82 83 92 94 95 92 89 1999 93 86 92 90 89 78 82 89 91 93 90 92 89 2000 87 91 91 89 88 80 82 82 91 95 93 94 89 MEAN 92 93 93 92 89 85 82 86 91 94 94 92 90 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 32 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. AVERAGE OF MINIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 82 83 75 73 75 72 74 72 82 77 79 80 77 1962 76 79 82 73 72 65 66 71 74 75 84 76 74 1963 83 81 75 81 77 72 56 68 68 83 81 76 75 1964 62 81 84 76 69 61 61 66 70 70 72 75 71 1965 78 70 77 74 67 61 64 64 73 78 77 79 72 1966 81 83 81 75 76 68 65 63 79 83 83 83 77 1967 74 76 80 79 69 65 57 68 79 79 81 77 74 1968 68 78 80 77 70 73 62 66 72 82 88 86 75 1969 91 88 88 84 76 67 64 65 74 85 81 82 79 1970 85 81 78 73 66 57 55 64 72 78 82 79 73 1971 76 70 84 80 66 57 50 61 65 76 80 71 70 1972 86 84 82 71 73 69 59 60 69 81 80 76 74 1973 82 77 79 76 73 66 66 75 78 77 74 80 75 1974 82 82 81 77 76 71 75 68 72 66 79 73 75 1975 73 71 73 72 65 59 48 60 68 78 88 75 69 1976 76 76 80 69 70 63 59 64 74 81 75 78 72 1977 80 78 82 76 62 65 56 65 77 78 80 79 73 1978 79 85 78 76 78 *** 59 72 68 80 77 74 *** 1979 75 80 74 81 68 63 61 61 71 79 84 80 73 1980 81 83 81 76 79 63 54 69 71 81 81 77 75 1981 73 74 82 77 74 68 63 74 72 79 73 71 73 1982 74 79 80 *** 74 67 61 66 74 83 79 76 *** 1983 65 68 73 73 71 71 64 64 76 75 81 77 72 1984 75 77 83 75 65 63 60 62 71 79 83 80 73 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 76 85 81 75 74 66 64 66 75 84 86 74 76 1987 77 83 76 72 64 55 58 67 76 81 72 76 71 1988 76 77 75 64 67 63 54 62 72 75 75 72 69 1989 64 68 74 71 69 57 60 66 72 83 73 77 70 1990 76 77 77 82 77 71 67 69 75 85 81 83 77 1991 75 78 86 81 74 64 63 63 71 78 85 74 74 1992 62 67 75 76 72 71 60 67 73 72 74 72 70 1993 60 78 67 71 68 71 64 65 75 74 81 77 71 1994 79 78 74 69 74 66 53 63 68 77 78 69 71 1995 76 76 76 66 66 65 50 62 68 73 64 65 67 1996 75 76 76 78 71 69 64 67 77 78 77 71 73 1997 70 65 69 60 67 71 67 64 79 73 74 79 70 1998 72 71 77 68 67 59 58 63 75 77 84 78 71 1999 76 63 74 69 69 53 58 70 70 71 70 71 68 2000 66 68 72 69 66 59 59 61 76 84 81 78 70 MEAN 75 77 78 74 71 65 60 66 73 78 79 76 73 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 33 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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 6 9 3 5 2 1 1 1 14 9 5 3 59 1962 3 3 2 3 1 2 0 5 6 9 9 8 51 1963 5 6 7 2 6 5 3 9 4 14 10 8 79 1964 6 5 9 7 1 3 4 5 7 5 6 3 61 1965 11 3 5 4 2 0 4 2 9 13 2 1 56 1966 2 3 4 2 2 1 0 3 10 9 5 2 43 1967 4 6 8 3 4 2 0 2 11 6 8 4 58 1968 6 6 6 8 2 2 4 1 5 11 10 6 67 1969 11 5 12 7 5 2 2 2 7 11 4 4 72 1970 8 1 5 2 1 1 1 4 9 4 6 9 51 1971 6 2 6 5 1 0 0 4 2 6 5 3 40 1972 9 5 9 2 5 2 0 2 9 8 3 6 60 1973 8 2 7 3 4 0 1 8 10 6 4 8 61 1974 11 7 8 4 2 1 8 4 7 0 9 6 67 1975 5 5 5 2 5 1 0 3 5 11 10 6 58 1976 3 8 5 1 2 2 4 3 9 11 7 9 64 1977 7 1 6 2 2 1 2 3 9 11 6 11 61 1978 5 4 2 4 9 *** 0 2 1 8 12 6 *** 1979 7 9 3 4 3 3 1 1 3 11 7 4 56 1980 11 11 10 4 7 1 0 9 5 11 10 3 82 1981 2 5 6 8 5 1 1 4 7 5 5 4 53 1982 7 8 11 *** 5 3 1 4 9 13 8 3 *** 1983 5 0 5 3 3 5 3 5 7 7 7 3 53 1984 5 7 10 3 5 1 1 3 5 12 5 7 64 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 5 8 10 3 2 3 1 1 6 10 16 4 69 1987 5 6 6 4 1 0 3 6 10 13 2 8 64 1988 6 5 7 5 2 2 2 7 10 7 8 3 64 1989 4 5 2 0 4 0 2 2 6 12 5 2 44 1990 6 8 5 5 3 1 2 4 4 14 7 10 69 1991 3 2 12 3 6 1 3 3 7 8 10 8 66 1992 4 5 5 10 4 6 1 6 9 6 9 4 69 1993 6 8 6 3 3 7 2 4 8 9 16 1 73 1994 1 6 11 3 4 4 1 2 3 6 8 7 56 1995 5 3 3 5 3 4 0 3 6 8 1 6 47 1996 7 6 8 3 4 4 0 4 9 7 5 5 62 1997 10 10 7 1 2 4 5 3 14 6 3 6 71 1998 8 6 4 5 2 2 1 5 10 7 12 7 69 1999 4 1 7 3 6 0 1 8 6 8 11 4 59 2000 10 9 7 0 3 2 0 4 10 11 8 6 70 MEAN 6 5 7 4 3 2 2 4 7 9 7 5 61 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 34 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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 22.6 19.8 17.6 31.2 29.2 27.8 32.4 29.6 25.4 23.0 25.6 29.0 1 YEAR - DAY 1979- 4 1991-17 1961-23 1994-24 1998-21 1971-28 1979-23 1995-12 1998- 2 1974-29 1995- 9 1998-11 LOW. DRY 03 -12.0 -10.0 -3.0 1.0 6.2 9.4 15.6 15.0 11.2 5.0 0.4 -4.0 2 YEAR - DAY 1972-25 1972-11 1969-25 1971- 2 1992- 5 1967- 5 1978-11 1987-30 1973-27 1969-30 1967-30 1963-27 HIG. WET 03 16.0 14.0 13.4 18.6 21.0 23.8 26.8 26.4 24.2 20.0 17.2 16.0 3 YEAR - DAY 1981-17 1966-11 1961-23 1986-15 1961-26 1961-26 1973-27 1999-25 1998- 2 1979- 3 1967- 5 1998-11 LOW. WET 03 -12.0 -10.0 -3.0 1.0 4.8 9.4 14.2 13.8 10.8 4.0 0.2 -4.2 4 YEAR - DAY 1972-25 1972-11 1969-25 1971- 2 1992- 5 1967- 5 1978-11 1975-31 1973-27 1969-30 1967-30 1963-27 HIG. DRY 09 24.8 23.8 22.2 28.8 30.8 34.6 36.0 35.2 34.4 30.8 26.8 26.0 5 YEAR - DAY 1967-15 1999-20 1970-30 1986-15 1975-31 1975-27 1971-27 1975- 7 1996- 7 1989- 2 1992-22 1962-19 LOW. DRY 09 -8.0 -5.0 -1.0 4.2 8.8 13.0 16.2 17.0 12.2 6.2 3.0 -0.4 6 YEAR - DAY 1972-21 1969-11 1969-24 1981- 1 1992- 4 1968- 6 1992-11 1975-18 1986-30 1965-27 1984-30 1997-18 HIG. WET 09 17.6 14.0 17.8 20.4 24.0 29.0 30.0 30.2 26.6 24.8 19.8 17.0 7 YEAR - DAY 1961-18 1963-23 1974-17 1990-28 1961-23 1961-22 1962-23 1984-19 1971- 9 1989- 2 1967- 5 1981-18 LOW. WET 09 -8.6 -5.0 -1.0 3.0 5.7 12.8 15.0 16.8 11.8 5.6 2.4 -0.8 8 YEAR - DAY 1972-21 1969-11 1969-24 1981- 1 1992- 4 1967- 5 1992-11 1987-28 1986-30 1965-27 1993-24 1964-25 HIG. DRY 15 22.6 24.0 21.8 28.2 27.6 31.8 33.2 32.0 29.0 25.0 27.6 27.0 9 YEAR - DAY 1966- 3 1996- 9 1970-18 1995-19 1995-23 1991-29 1991- 3 1998- 4 1972- 3 1972- 1 1989-27 1980- 5 LOW. DRY 15 -9.0 -5.2 -0.4 1.4 8.4 12.6 16.4 16.0 12.2 5.6 2.0 -4.0 10 YEAR - DAY 1972-21 1969-11 1969-23 1981- 1 1988- 1 1968- 6 1992-11 1973-30 1986-30 1965-26 1993-24 1963-28 HIG. WET 15 17.0 13.0 16.6 20.0 23.6 26.0 29.0 28.6 27.6 23.4 19.2 16.6 11 YEAR - DAY 1961-18 1963-23 1974-17 1998-14 1975-31 1961-25 1962-23 1978-13 1995-17 1963-10 1983-13 1981-18 LOW. WET 15 -9.0 -5.2 -0.7 1.2 7.4 12.2 15.6 15.0 11.8 5.2 1.6 -6.0 12 YEAR - DAY 1972-21 1969-11 1990-16 1981- 1 1988- 1 1968- 6 1992-11 1972- 1 1986-30 1965-26 1993-24 1963-28 HIG. MIN. 17.0 10.4 13.4 19.0 20.6 24.0 25.8 27.0 24.5 20.0 16.2 16.0 13 YEAR - DAY 1968-14 1999-18 1990- 1 1994-25 1994-30 1992-30 1989-25 2000-22 1981- 1 1979- 2 1995- 9 1962-20 LOW. MIN. -12.5 -10.5 -4.5 -0.5 5.4 9.0 13.5 7.0 10.5 3.0 0.0 -5.0 14 YEAR - DAY 1972-25 1972-10 1969-25 1981- 2 1992- 5 1967- 5 1978-11 1961-16 1973-27 1977-24 1967-30 1963-26 HIG. MAX. 27.0 26.4 28.0 32.0 31.5 35.0 38.5 36.5 36.5 32.6 29.2 29.0 15 YEAR - DAY 1979- 4 1996- 9 1970-18 1994-24 1975-31 1975-27 1971-28 1975- 7 1978-20 1989- 2 1989-27 1998-11 LOW. MAX. -6.5 -4.0 0.5 7.0 9.8 16.2 17.8 19.0 12.4 6.5 3.2 0.6 16 YEAR - DAY 1972-21 1969-11 1969-24 1974- 4 1992- 1 1994- 4 1992-11 1974-24 1986-30 1965-27 1993-25 1997-18 HIG. PPTN 62.0 82.0 73.0 59.0 58.0 92.0 131.0 239.0 299.5 161.0 103.1 87.2 17 YEAR - DAY 1979-23 1989-11 1975-15 1981- 1 1999- 8 1980-17 1965-22 1962-24 1982-19 1995-24 1996-11 1990-11 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 35 STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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 17.4 13.8 12.0 13.6 11.8 13.2 13.4 13.4 13.4 13.2 14.6 17.0 18 YEAR - DAY 1966- 3 2000- 4 1993-24 1989- 3 1975-31 1975-27 1978-13 1975-26 1996- 7 1989- 2 1976-25 1998-11 DRY 15 - DRY 09 8.8 14.4 11.6 10.0 9.4 8.4 8.2 7.4 10.4 8.2 8.4 14.0 19 YEAR - DAY 1999-11 1999-20 1975-22 1974-17 1987-12 1975-29 1961- 4 1984- 7 1964-16 1989- 2 1992- 2 1996-25 DRY 15 - DRY 03 16.0 16.4 11.2 13.6 10.0 11.4 12.2 11.4 11.2 10.0 12.0 17.6 20 YEAR - DAY 1966- 3 1996- 9 1993- 8 1998-14 1998- 7 1991-29 1991- 3 1986-31 1986- 2 1973- 3 1992-23 1999-28 WET 09 - WET 03 10.8 10.4 9.4 9.0 9.2 8.8 10.6 11.8 10.6 10.6 9.8 13.0 21 YEAR - DAY 1971-17 1972-11 1961- 2 1989- 3 1968-18 1961-28 1962-24 1962-13 1968- 7 1961- 1 1995-14 1971-20 WET 15 - WET 09 7.2 8.0 5.4 6.0 7.2 6.0 8.0 5.4 6.8 7.4 7.2 11.0 22 YEAR - DAY 1971- 7 1962-15 1961- 9 1974-17 1974-23 1963- 7 1970-30 1965-28 1982-30 1964-15 1995-11 1971-20 WET 15 - WET 03 9.6 9.0 7.6 8.8 8.0 7.8 9.8 9.7 9.8 9.2 11.0 10.2 23 YEAR - DAY 1961-18 1974- 7 1961-28 1989- 3 1968-18 1979-10 1978-11 1975-31 1986- 1 1963-10 1973- 8 1967- 1 DAY BY DAY DRY 03 17.4 16.6 11.6 17.8 11.2 9.8 8.2 6.4 9.0 10.8 16.6 19.0 24 YEAR - DAY 1968-13 1991-17 1961-15 1986-15 1998-21 1967- 5 1979-24 1975-16 1981-25 1976-18 1989-27 1998-11 DAY BY DAY WET 03 11.0 10.6 7.6 9.4 7.2 7.2 7.4 7.0 7.8 10.0 9.8 11.0 25 YEAR - DAY 1981-17 1991-17 1990-16 1971- 2 1968-19 1962-14 1974- 1 1968-24 1982- 3 1976-18 1995-12 1973-16 DAY BY DAY DRY 09 16.6 16.6 13.8 13.6 9.8 9.8 10.0 13.0 12.8 14.0 17.0 15.2 26 YEAR - DAY 1979- 5 1998- 8 1975-15 1995-11 1987-13 1974- 2 1999-12 1966-31 1990-15 1989- 3 1972-28 1996-26 DAY BY DAY WET 09 9.8 10.8 11.6 8.0 7.0 8.8 9.8 8.9 10.2 11.0 9.8 10.6 27 YEAR - DAY 1979- 5 1998- 8 1975-15 1979-21 1967-19 1961- 6 1974- 1 1970- 1 1963-22 1976-18 1979- 3 1967-23 DAY BY DAY DRY 15 15.8 16.8 13.0 12.6 8.8 9.0 11.4 9.8 11.2 11.4 17.0 16.0 28 YEAR - DAY 1979- 5 1996-10 1970-19 1977-13 1999-20 1967- 4 1974- 1 1976- 9 1963-22 1977-11 1989-27 1999-28 DAY BY DAY WET 15 9.6 9.8 9.4 7.8 6.8 7.4 11.2 7.5 9.4 9.8 11.2 11.6 29 YEAR - DAY 1971-14 1979-18 1975-15 1986-16 2000- 4 1961- 6 1974- 1 1965-29 1963-22 1976-18 1983-14 1981-19 DAY BY DAY MIN. 15.5 9.5 9.0 8.5 7.0 7.0 7.0 11.5 6.0 10.5 8.4 10.0 30 YEAR - DAY 1968-14 1976- 8 1990- 1 1971- 2 1973-29 1961- 7 1974- 2 1961-17 1970-30 1976-18 1973-16 1963-25 DAY BY DAY MAX. 15.0 20.0 16.5 19.4 9.0 8.0 10.2 13.0 11.0 14.0 17.6 17.0 31 YEAR - DAY 1968-13 1987-27 1970-18 1992-14 1972- 9 1967- 5 1992-11 1974-23 1978-21 1977-11 1989-27 1998-12 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 6.7 6.3 8.5 12.6 20.3 24.0 25.8 24.6 19.9 15.9 13.3 9.8 15.6 AVERAGE OF MINIMUM TEMPERATURE IN C. 2.4 2.7 3.6 7.9 15.1 18.4 20.3 18.9 16.5 12.5 8.9 5.9 11.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 11.0 9.9 13.4 17.4 25.4 29.5 31.3 30.2 23.3 19.3 17.7 13.6 20.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.6 7.2 9.8 9.5 10.3 11.1 11.0 11.3 6.8 6.8 8.8 7.7 9.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.36 4.81 5.01 6.84 11.24 13.33 15.29 13.39 11.66 8.86 7.13 5.84 8.98 MEAN OF MIXING RATIO AT 09 GMT. 6.22 5.96 6.73 8.16 13.97 17.96 20.38 18.54 13.76 10.21 8.86 7.18 11.49 MEAN OF MIXING RATIO AT 15 GMT. 6.12 5.73 6.40 8.19 13.82 16.63 19.40 17.42 13.25 9.90 8.21 6.92 11.00 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -1.5 -5.0 -3.5 2.0 11.0 13.0 17.5 7.0 13.5 10.0 3.5 2.0 -5.0 DAY 31 5 4 17 19 7 16 16 7 19 29 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 24.0 13.5 26.0 27.5 30.0 34.5 35.0 32.5 28.5 25.0 24.0 19.0 35.0 DAY 18 7 24 30 14 17 1 6 12 1 23 23 24 HOUR MAXIMUM PRECIPITATION IN MM. 28.0 54.5 8.5 22.5 29.2 69.0 60.8 48.1 41.8 77.2 38.5 18.0 77.2 DAY 3 26 27 14 29 6 16 7 19 7 14 23 MONTHLY TOTAL PRECIPITATION IN MM. 73.0 187.5 27.6 79.9 40.4 72.7 64.8 48.6 246.4 238.5 116.1 41.6 1237.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 23.3 15.6 29.1 32.0 NO. OF DAYS WITH PRECIPITATION. 10 13 7 8 6 4 2 2 17 12 10 6 97 NO. OF DAYS PRECIPITATION EQUAL 7 10 7 8 3 3 2 1 16 12 8 5 82 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 7 0 4 1 1 1 1 12 8 4 1 42 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 92 87 88 88 86 90 86 91 91 88 92 89 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 85 86 79 74 76 73 75 74 83 79 80 81 79 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 95 95 90 86 91 86 87 80 89 88 89 87 89 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 1 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 3 14 4 0 0 0 0 21 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 3 17 24 22 0 0 0 0 66 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. 8 6 4 0 0 0 0 0 0 0 0 0 18 DATE OF START AND END FREEZING START = 10 JAN. END = 5 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. MEAN AND EXTREMES FOR THE YEAR 1962 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 6.2 7.7 10.8 13.0 18.2 21.5 26.3 24.8 21.6 16.1 11.9 9.4 15.6 AVERAGE OF MINIMUM TEMPERATURE IN C. 2.4 3.9 7.6 9.5 13.9 16.6 21.0 20.2 17.2 12.1 9.2 5.4 11.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.0 11.5 14.0 16.6 22.5 26.4 31.6 29.5 26.0 20.2 14.6 13.3 19.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.6 7.6 6.4 7.1 8.6 9.8 10.6 9.3 8.8 8.1 5.4 7.9 8.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.44 5.15 6.61 7.34 10.20 11.08 14.45 14.39 12.60 9.43 7.60 6.04 9.11 MEAN OF MIXING RATIO AT 09 GMT. 5.31 6.13 7.48 8.21 11.23 13.37 18.98 17.42 14.68 10.56 8.52 6.06 10.66 MEAN OF MIXING RATIO AT 15 GMT. 5.13 5.96 7.22 8.21 11.57 13.93 18.48 17.13 14.31 10.68 8.23 6.06 10.58 ABSOLUTE OF MINIMUM TEMPERATURE IN C. 0.0 1.0 0.5 6.5 11.0 12.0 18.0 17.5 13.5 7.5 3.5 0.5 0.0 DAY 14 11 13 14 12 11 26 12 19 12 30 10 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 19.0 21.0 20.0 20.5 28.0 31.5 35.0 32.5 30.0 26.5 20.0 27.0 35.0 DAY 29 16 4 12 31 1 23 20 2 7 1 20 24 HOUR MAXIMUM PRECIPITATION IN MM. 38.5 20.0 26.5 37.1 14.5 22.0 0.3 239.0 42.7 58.7 43.3 27.5 239.0 DAY 5 21 11 5 10 9 12 24 17 10 15 3 MONTHLY TOTAL PRECIPITATION IN MM. 72.5 49.9 36.3 62.3 23.5 43.0 0.3 378.5 126.4 183.2 184.9 124.5 1285.3 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 12.3 10.0 39.3 38.3 NO. OF DAYS WITH PRECIPITATION. 9 9 5 8 7 6 1 9 8 11 17 11 101 NO. OF DAYS PRECIPITATION EQUAL 9 6 4 6 5 4 0 7 7 11 17 11 87 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 2 1 1 1 2 0 5 5 8 7 5 39 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 90 93 94 89 90 82 80 88 92 94 95 93 90 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 77 82 83 75 72 65 68 72 75 76 86 78 76 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 84 87 90 85 84 82 77 80 83 87 93 82 85 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 0 16 13 1 0 0 0 30 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 28 17 1 0 0 0 50 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. 1 0 0 0 0 0 0 0 0 0 0 0 1 DATE OF START AND END FREEZING START = 14 JAN. END = 14 JAN. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 7.7 7.8 7.7 12.9 17.8 21.8 25.2 24.0 22.0 16.9 11.2 6.0 15.1 AVERAGE OF MINIMUM TEMPERATURE IN C. 4.0 4.5 4.2 10.2 14.3 17.7 20.4 19.7 17.3 13.9 7.3 1.7 11.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 11.5 11.1 11.2 15.6 21.2 25.9 30.1 28.3 26.8 20.0 15.0 10.3 18.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.5 6.6 7.0 5.4 6.9 8.2 9.7 8.6 9.4 6.1 7.7 8.6 7.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 5.23 5.33 5.24 7.97 10.29 12.93 13.41 12.93 12.29 10.05 6.50 4.49 8.89 MEAN OF MIXING RATIO AT 09 GMT. 6.04 6.04 5.85 8.71 11.61 14.13 14.82 15.43 14.01 11.54 8.10 5.26 10.13 MEAN OF MIXING RATIO AT 15 GMT. 5.76 5.90 5.96 8.52 10.98 13.92 14.99 15.11 13.55 11.36 7.85 4.92 9.90 ABSOLUTE OF MINIMUM TEMPERATURE IN C. 0.0 0.5 -0.5 6.0 10.5 14.0 18.0 17.0 13.5 10.5 2.5 -5.0 -5.0 DAY 19 8 7 2 13 17 1 7 23 26 30 26 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 23.0 25.0 17.5 19.5 26.0 31.0 33.0 33.0 30.5 25.5 22.0 21.0 33.0 DAY 15 23 11 29 28 28 24 18 15 11 14 15 24 HOUR MAXIMUM PRECIPITATION IN MM. 41.5 51.0 44.0 6.0 24.0 49.2 24.5 29.8 38.0 47.0 69.5 43.8 69.5 DAY 3 25 6 24 3 21 7 28 22 17 2 24 MONTHLY TOTAL PRECIPITATION IN MM. 106.2 129.9 117.7 38.1 105.7 176.4 53.3 136.5 61.5 250.2 253.7 185.8 1615.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 21.9 19.8 15.6 42.7 NO. OF DAYS WITH PRECIPITATION. 12 11 13 16 16 11 6 12 4 18 14 10 143 NO. OF DAYS PRECIPITATION EQUAL 11 11 12 14 14 9 5 10 4 17 13 10 130 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 5 4 0 4 5 3 6 2 11 9 7 59 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 95 94 91 94 91 90 79 82 88 93 91 87 90 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 85 83 77 82 78 72 58 68 69 84 85 79 77 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 87 88 89 90 85 82 71 77 78 89 91 85 84 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 4 4 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 14 10 1 0 0 0 25 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 21 17 2 0 0 0 42 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. 2 0 3 0 0 0 0 0 0 0 0 12 17 DATE OF START AND END FREEZING START = 3 DEC. END = 9 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 2.4 4.4 7.4 11.1 18.1 23.1 24.1 23.3 20.6 15.7 12.5 5.6 14.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.0 1.0 4.7 7.9 13.5 18.0 19.5 18.9 16.2 11.3 8.1 1.7 9.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.8 7.9 10.1 14.4 22.7 28.3 28.8 27.6 25.1 20.1 16.9 9.4 18.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.8 6.9 5.4 6.5 9.2 10.3 9.3 8.7 8.9 8.8 8.8 7.7 8.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.89 4.29 5.75 6.84 10.11 11.97 13.43 13.53 11.53 8.45 7.14 4.52 8.37 MEAN OF MIXING RATIO AT 09 GMT. 3.61 5.10 6.14 7.27 11.38 14.34 14.83 14.70 13.22 10.26 7.73 5.49 9.51 MEAN OF MIXING RATIO AT 15 GMT. 3.66 5.00 6.01 7.35 11.22 14.40 14.92 14.55 13.20 9.77 7.68 5.56 9.44 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -7.5 -1.5 0.0 3.5 6.0 10.5 17.0 16.0 14.0 6.0 1.0 -5.0 -7.5 DAY 30 2 8 15 2 1 1 21 17 29 30 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.5 14.5 17.5 21.5 26.0 31.0 32.0 32.5 29.5 24.5 26.0 15.5 32.5 DAY 15 3 27 26 31 11 3 10 2 17 21 3 24 HOUR MAXIMUM PRECIPITATION IN MM. 24.5 28.8 20.5 27.0 22.8 29.0 14.8 58.8 79.3 27.0 27.5 23.0 79.3 DAY 18 24 7 9 1 21 12 20 16 30 1 19 MONTHLY TOTAL PRECIPITATION IN MM. 86.1 91.1 120.8 127.8 24.8 54.5 42.4 175.0 149.8 97.6 81.0 77.9 1128.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 26.4 18.3 32.5 22.7 NO. OF DAYS WITH PRECIPITATION. 11 9 15 19 2 4 5 10 8 11 8 10 112 NO. OF DAYS PRECIPITATION EQUAL 10 9 14 15 2 4 4 8 8 10 7 10 101 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 4 5 6 1 2 2 4 5 4 2 3 42 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 75 92 94 91 86 77 81 87 90 87 90 89 87 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 68 84 85 76 70 63 62 68 70 74 74 78 73 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 81 90 91 88 80 72 71 76 79 81 85 88 82 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 6 0 0 0 0 0 0 0 0 0 0 1 7 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 6 2 0 0 0 0 8 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 8 9 13 0 0 0 0 30 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. 26 9 1 0 0 0 0 0 0 0 0 7 43 DATE OF START AND END FREEZING START = 11 DEC. END = 8 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. MEAN AND EXTREMES FOR THE YEAR 1965 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 4.1 5.9 7.8 10.6 17.2 22.5 24.6 24.3 20.4 13.8 11.4 9.8 14.4 AVERAGE OF MINIMUM TEMPERATURE IN C. 1.0 1.4 4.8 7.0 12.8 17.4 19.9 19.4 16.3 10.3 6.8 5.6 10.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.2 10.4 10.8 14.2 21.7 27.6 29.3 29.2 24.5 17.2 16.0 14.0 18.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.2 9.0 6.0 7.2 8.9 10.2 9.4 9.8 8.2 6.9 9.2 8.4 8.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.97 4.34 5.49 6.52 9.26 12.38 13.74 13.69 11.83 8.41 6.30 5.67 8.47 MEAN OF MIXING RATIO AT 09 GMT. 4.50 4.96 5.93 6.98 10.01 13.73 15.96 15.66 13.24 9.24 8.04 7.17 9.62 MEAN OF MIXING RATIO AT 15 GMT. 4.79 5.01 5.78 6.92 9.79 13.70 15.51 15.13 12.67 9.46 7.74 6.80 9.44 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -1.0 -1.0 -1.0 1.0 8.0 15.0 17.5 15.0 12.0 3.5 3.0 -0.5 -1.0 DAY 3 1 13 6 7 1 1 9 4 27 10 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.0 19.5 15.0 20.5 28.0 30.5 34.5 32.5 28.5 23.5 25.0 21.5 34.5 DAY 7 26 29 26 22 8 17 4 8 3 26 27 24 HOUR MAXIMUM PRECIPITATION IN MM. 27.0 17.6 19.2 18.0 15.2 4.0 131.0 27.0 50.5 67.0 25.0 11.0 131.0 DAY 24 13 12 20 2 25 22 7 29 22 7 29 MONTHLY TOTAL PRECIPITATION IN MM. 145.2 34.6 63.3 51.1 41.5 11.5 157.5 53.0 245.3 268.0 43.8 16.2 1131.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 21.5 9.2 40.3 29.0 NO. OF DAYS WITH PRECIPITATION. 18 6 11 14 7 5 9 7 11 20 7 4 119 NO. OF DAYS PRECIPITATION EQUAL 18 5 9 9 6 5 6 4 11 19 6 4 102 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 7 1 3 1 2 0 2 2 7 9 2 1 37 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 86 92 90 84 80 83 83 89 93 90 89 87 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 79 74 79 75 68 63 67 67 74 79 80 82 74 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 92 82 87 85 77 73 73 72 79 90 90 89 82 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 0 9 6 1 0 0 0 16 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 12 12 0 0 0 0 25 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. 9 9 2 0 0 0 0 0 0 0 0 2 22 DATE OF START AND END FREEZING START = 23 DEC. END = 16 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 9.0 8.2 9.9 14.5 17.3 22.7 25.8 26.4 21.0 16.4 13.3 9.8 16.2 AVERAGE OF MINIMUM TEMPERATURE IN C. 5.4 5.0 6.7 10.8 13.5 18.2 20.5 21.3 17.6 13.3 10.2 6.4 12.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. 12.6 11.3 13.1 18.3 21.2 27.2 31.1 31.5 24.4 19.6 16.3 13.1 20.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.2 6.3 6.4 7.5 7.7 9.0 10.6 10.2 6.8 6.3 6.1 6.7 7.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 5.72 5.96 6.32 8.40 9.78 12.65 14.03 14.34 12.40 9.70 7.90 6.15 9.45 MEAN OF MIXING RATIO AT 09 GMT. 6.72 6.45 7.17 9.30 11.14 14.96 17.86 17.30 14.17 11.17 9.37 7.49 11.09 MEAN OF MIXING RATIO AT 15 GMT. 6.51 6.31 7.02 9.31 10.73 14.48 17.18 16.99 13.73 10.78 9.10 7.31 10.79 ABSOLUTE OF MINIMUM TEMPERATURE IN C. 3.0 -0.5 1.0 6.0 10.0 15.0 16.5 19.5 15.0 9.0 6.0 2.5 -0.5 DAY 13 6 23 5 18 16 2 1 14 18 27 22 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 24.5 18.5 21.0 25.0 27.0 32.0 35.0 34.0 28.0 24.0 19.0 17.5 35.0 DAY 3 26 28 17 30 7 27 24 2 6 1 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 21.5 21.0 36.5 35.5 17.7 35.2 0.3 87.0 76.0 72.0 39.0 22.5 87.0 DAY 31 6 22 23 4 21 29 31 13 17 5 20 MONTHLY TOTAL PRECIPITATION IN MM. 37.5 58.0 101.6 52.7 35.1 43.6 0.3 112.9 287.7 342.4 107.2 52.7 1231.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 16.0 10.7 32.5 40.8 NO. OF DAYS WITH PRECIPITATION. 6 9 9 8 9 6 1 4 16 12 6 7 93 NO. OF DAYS PRECIPITATION EQUAL 6 7 7 6 5 4 0 3 16 11 6 6 77 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 2 4 1 1 1 0 2 6 9 5 2 34 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 92 96 92 92 92 85 79 78 90 94 93 95 90 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 84 83 83 76 77 72 66 63 80 83 84 85 78 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 89 91 89 87 84 77 71 71 87 92 92 91 85 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 14 18 0 0 0 0 34 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 23 28 0 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. 0 2 0 0 0 0 0 0 0 0 0 0 2 DATE OF START AND END FREEZING START = 6 FEB. END = 7 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 7.4 3.3 7.3 11.6 18.5 21.2 24.7 25.4 20.5 17.1 12.6 7.9 14.8 AVERAGE OF MINIMUM TEMPERATURE IN C. 3.1 0.3 4.3 7.7 13.9 16.0 19.6 20.2 16.6 13.2 9.1 3.2 10.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 11.7 6.4 10.4 15.4 23.1 26.3 29.8 30.5 24.4 21.0 16.1 12.6 19.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.6 6.1 6.1 7.7 9.2 10.3 10.2 10.3 7.8 7.8 7.0 9.4 8.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.89 3.83 5.18 7.10 9.99 11.09 13.08 14.32 11.77 9.61 7.49 4.95 8.61 MEAN OF MIXING RATIO AT 09 GMT. 5.91 4.26 5.93 7.93 11.35 12.95 14.09 17.80 14.19 11.43 8.72 5.97 10.04 MEAN OF MIXING RATIO AT 15 GMT. 5.69 4.44 5.98 7.77 11.36 12.71 13.99 17.53 13.51 11.20 8.53 5.83 9.88 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -0.5 -2.5 0.0 0.5 10.0 9.0 17.0 16.5 14.0 8.5 0.0 -2.5 -2.5 DAY 27 3 9 1 1 5 6 29 24 22 30 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 25.0 11.0 13.5 24.0 27.0 30.0 32.5 34.5 30.5 25.0 23.0 26.0 34.5 DAY 15 11 26 21 21 16 8 21 6 9 4 14 24 HOUR MAXIMUM PRECIPITATION IN MM. 17.0 37.0 34.7 9.6 9.2 33.0 2.0 18.9 50.0 89.2 19.0 16.5 89.2 DAY 30 14 8 13 18 5 29 13 7 21 24 16 MONTHLY TOTAL PRECIPITATION IN MM. 35.0 129.6 108.7 34.0 38.6 38.8 3.1 30.7 249.4 243.9 96.9 52.7 1061.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 25.7 10.5 26.7 37.1 NO. OF DAYS WITH PRECIPITATION. 5 9 13 12 8 3 2 2 15 8 11 8 96 NO. OF DAYS PRECIPITATION EQUAL 5 9 11 10 8 2 2 2 15 7 11 7 89 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 5 4 0 0 1 0 2 9 6 4 3 35 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 90 89 93 93 88 81 77 84 91 93 92 92 89 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 78 78 82 79 69 66 58 68 80 79 82 82 75 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 84 90 91 85 79 73 65 77 86 87 89 87 83 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 0 4 12 0 0 0 0 16 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 18 27 3 0 0 0 50 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. 1 14 1 0 0 0 0 0 0 0 1 4 21 DATE OF START AND END FREEZING START = 30 NOV. END = 9 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 7.5 5.2 7.8 11.6 19.5 20.7 24.0 24.8 21.8 17.9 12.3 7.7 15.1 AVERAGE OF MINIMUM TEMPERATURE IN C. 2.7 1.8 3.8 8.1 14.6 15.8 18.8 19.7 16.9 14.5 9.5 4.8 10.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 12.2 8.6 11.9 15.1 24.3 25.6 29.2 29.9 26.7 21.3 15.0 10.5 19.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.5 6.8 8.1 7.0 9.7 9.8 10.4 10.2 9.8 6.8 5.5 5.7 8.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.46 4.57 5.12 7.20 10.18 11.79 13.08 14.02 11.67 10.54 7.74 5.51 8.82 MEAN OF MIXING RATIO AT 09 GMT. 5.31 5.12 6.03 7.80 12.19 13.22 15.08 16.25 15.14 12.04 9.02 6.09 10.27 MEAN OF MIXING RATIO AT 15 GMT. 5.21 5.08 5.94 7.63 11.83 12.84 15.34 15.68 14.20 11.52 8.50 6.02 9.98 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -2.5 -2.5 1.0 4.0 9.5 9.5 14.0 16.5 14.5 8.5 6.5 2.0 -2.5 DAY 23 5 17 26 1 8 13 26 19 31 19 13 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 23.5 13.5 20.5 20.5 28.5 30.5 34.5 33.0 31.0 26.0 17.5 16.0 34.5 DAY 13 27 2 14 20 19 25 23 3 2 7 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 15.0 15.4 35.4 32.0 30.0 48.0 18.6 8.0 37.2 73.0 25.5 15.8 73.0 DAY 16 22 22 19 30 5 4 4 11 27 21 12 MONTHLY TOTAL PRECIPITATION IN MM. 49.3 69.2 110.8 98.5 39.8 79.1 50.7 23.9 89.8 318.1 113.0 71.5 1113.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 20.6 19.5 14.8 45.1 NO. OF DAYS WITH PRECIPITATION. 7 10 11 14 5 7 5 10 7 17 12 10 115 NO. OF DAYS PRECIPITATION EQUAL 7 9 9 10 4 5 5 7 6 17 11 9 99 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 3 4 4 1 2 3 0 3 7 5 2 35 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 83 92 94 95 83 88 82 85 88 93 97 95 90 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 71 80 81 78 71 73 63 67 73 83 89 86 76 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 81 90 89 84 80 77 74 73 79 89 94 91 83 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 0 5 11 1 0 0 0 17 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 16 19 4 0 0 0 41 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 4 7 0 0 0 0 0 0 0 0 0 0 11 DATE OF START AND END FREEZING START = 17 JAN. END = 11 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 1.7 0.6 5.3 10.5 16.6 22.7 23.7 24.1 20.6 15.2 9.8 9.4 13.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -0.4 -1.8 2.9 7.2 12.6 17.6 18.9 18.9 16.3 12.3 5.8 6.0 9.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.8 3.1 7.8 13.7 20.5 27.7 28.4 29.2 24.9 18.2 13.8 12.7 17.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 4.2 4.9 4.9 6.5 7.9 10.1 9.5 10.3 8.6 5.9 8.0 6.7 7.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.89 3.41 5.03 6.78 9.27 12.60 12.84 12.89 11.43 9.38 6.20 5.98 8.31 MEAN OF MIXING RATIO AT 09 GMT. 4.22 3.92 5.38 7.45 10.17 14.32 14.54 15.63 13.75 10.45 7.74 6.98 9.55 MEAN OF MIXING RATIO AT 15 GMT. 4.09 3.85 5.27 7.22 9.74 14.74 14.16 15.31 13.13 10.22 7.04 6.61 9.28 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -5.0 -7.0 -4.5 3.5 8.5 13.0 16.5 16.5 11.5 4.5 2.8 3.2 -7.0 DAY 5 12 25 15 7 1 4 1 12 30 18 17 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 8.5 8.5 12.0 22.0 27.5 32.5 32.5 32.5 31.0 26.0 19.5 23.5 32.5 DAY 1 4 19 29 23 7 22 5 6 3 5 18 24 HOUR MAXIMUM PRECIPITATION IN MM. 25.2 30.0 38.0 18.8 17.5 68.5 15.0 22.8 76.0 96.0 58.0 27.2 96.0 DAY 21 9 8 5 27 15 31 6 11 14 8 15 MONTHLY TOTAL PRECIPITATION IN MM. 155.0 97.7 241.8 77.8 53.0 79.0 27.1 29.8 235.2 398.9 84.6 60.3 1540.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 32.1 13.6 19.0 35.3 NO. OF DAYS WITH PRECIPITATION. 21 16 13 15 8 4 5 3 10 19 7 8 129 NO. OF DAYS PRECIPITATION EQUAL 20 14 12 13 6 4 4 3 9 18 7 8 118 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 2 9 2 2 1 1 1 5 7 1 2 36 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 96 95 97 96 91 85 83 85 89 96 94 93 92 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 93 89 89 85 78 67 65 66 74 86 84 84 80 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 95 95 95 88 83 81 71 73 82 92 89 90 86 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 8 4 2 0 0 0 0 0 0 0 0 0 14 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 3 2 0 0 0 0 5 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 4 7 0 0 0 0 0 0 0 0 0 0 11 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 9 8 16 7 0 0 0 40 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. 19 24 4 0 0 0 0 0 0 0 0 0 47 DATE OF START AND END FREEZING START = 4 JAN. END = 26 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 6.3 8.6 9.4 14.2 19.1 22.2 25.7 25.6 20.7 16.0 13.2 7.1 15.7 AVERAGE OF MINIMUM TEMPERATURE IN C. 3.3 5.0 5.4 10.1 14.5 17.1 20.1 21.1 16.3 11.8 9.3 3.2 11.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.3 12.1 13.3 18.4 23.8 27.2 31.3 30.2 25.1 20.1 17.1 11.0 19.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.0 7.1 7.9 8.3 9.3 10.1 11.2 9.1 8.8 8.3 7.8 7.8 8.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.91 5.51 5.60 7.75 10.14 11.57 12.56 14.30 11.63 8.81 7.68 4.90 8.78 MEAN OF MIXING RATIO AT 09 GMT. 5.54 6.13 6.53 8.65 11.37 11.55 14.35 15.83 13.39 9.79 8.71 5.76 9.80 MEAN OF MIXING RATIO AT 15 GMT. 5.57 6.03 6.38 8.09 10.41 11.33 13.59 14.18 12.08 8.66 8.26 5.61 9.18 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -1.0 0.5 0.0 7.0 9.5 12.0 17.0 17.0 11.5 9.0 7.0 -0.8 -1.0 DAY 29 3 10 22 9 11 19 31 17 26 22 21 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.0 20.5 28.0 24.5 27.0 30.0 35.0 33.0 29.5 25.0 23.5 17.0 35.0 DAY 30 13 18 28 6 5 11 15 7 5 3 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 28.0 5.0 22.5 18.5 5.0 27.0 13.0 42.0 77.0 46.5 63.0 55.0 77.0 DAY 25 22 10 21 12 10 31 28 26 10 10 8 MONTHLY TOTAL PRECIPITATION IN MM. 127.1 16.0 75.4 33.2 6.5 30.0 15.5 96.0 315.0 74.7 157.6 170.5 1117.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 19.6 6.2 38.2 36.0 NO. OF DAYS WITH PRECIPITATION. 11 9 10 3 2 2 2 4 10 6 8 11 78 NO. OF DAYS PRECIPITATION EQUAL 11 7 9 3 2 2 2 4 10 6 8 10 74 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 5 0 3 2 0 1 1 4 8 1 5 6 36 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 94 91 89 88 81 78 69 81 86 90 94 92 86 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 86 82 81 75 68 57 57 66 74 79 84 82 74 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 94 89 87 81 72 66 62 69 77 83 88 91 80 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 11 20 0 0 0 0 33 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 5 27 22 0 0 0 0 54 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. 3 0 2 0 0 0 0 0 0 0 0 7 12 DATE OF START AND END FREEZING START = 17 DEC. END = 11 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 4.0 6.6 9.2 11.6 19.4 23.0 27.0 25.6 23.6 17.3 13.0 8.7 15.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -0.3 2.7 6.4 8.2 14.8 18.0 21.2 20.3 18.3 13.0 9.0 4.2 11.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.2 10.5 12.1 14.9 24.1 28.1 32.7 31.0 29.0 21.5 16.9 13.2 20.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.5 7.8 5.7 6.7 9.3 10.1 11.5 10.7 10.7 8.5 7.9 9.0 8.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.89 4.67 6.22 7.04 10.21 10.64 13.11 13.42 12.13 9.33 7.43 4.88 8.58 MEAN OF MIXING RATIO AT 09 GMT. 4.71 5.21 6.77 7.73 10.95 12.54 14.05 14.77 15.34 11.00 8.91 6.27 9.85 MEAN OF MIXING RATIO AT 15 GMT. 4.65 4.58 6.14 7.03 9.51 10.45 12.67 13.50 14.09 9.92 8.01 5.29 8.82 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -7.8 -1.5 2.5 0.8 13.0 12.5 18.0 18.0 16.0 8.0 5.0 -1.0 -7.8 DAY 17 2 1 3 3 4 1 25 19 27 30 17 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 19.0 17.5 15.5 23.0 28.5 32.5 38.5 35.5 32.0 25.5 21.0 24.5 38.5 DAY 2 27 30 16 23 11 28 16 9 6 14 12 24 HOUR MAXIMUM PRECIPITATION IN MM. 58.5 13.0 18.0 34.0 9.0 2.0 0.0 17.5 42.0 43.0 18.5 18.0 58.5 DAY 14 7 15 2 28 5 ** 1 29 8 10 30 MONTHLY TOTAL PRECIPITATION IN MM. 179.5 19.5 73.2 89.6 22.6 2.0 0.0 47.7 69.0 166.3 60.2 44.2 773.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 35.2 14.8 15.1 35.0 NO. OF DAYS WITH PRECIPITATION. 7 3 9 11 7 1 0 7 2 10 7 4 68 NO. OF DAYS PRECIPITATION EQUAL 7 3 9 10 6 1 0 7 2 10 7 4 66 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 1 3 3 0 0 0 2 2 5 2 2 24 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 91 89 94 93 83 69 67 78 80 89 93 80 84 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 77 73 85 82 67 61 52 62 65 77 81 74 71 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 90 79 90 86 71 61 56 67 70 83 86 79 77 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 5 0 0 0 0 0 0 0 0 0 0 0 5 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 3 21 9 2 0 0 0 35 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 7 29 22 12 0 0 0 70 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. 19 5 0 0 0 0 0 0 0 0 0 3 27 DATE OF START AND END FREEZING START = 17 DEC. END = 14 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 0.2 0.2 5.0 14.3 18.1 24.0 27.2 25.6 22.9 19.4 13.6 5.2 14.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.6 -3.3 1.2 9.5 13.6 18.3 21.4 19.3 18.7 15.5 9.3 1.9 10.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.0 3.7 8.9 19.2 22.7 29.8 33.0 32.0 27.1 23.3 17.9 8.6 19.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 5.6 7.0 7.7 9.7 9.1 11.5 11.6 12.7 8.4 7.8 8.6 6.7 8.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.28 2.99 4.46 7.72 10.00 12.99 13.68 14.03 13.86 11.40 7.49 4.23 8.84 MEAN OF MIXING RATIO AT 09 GMT. 3.63 3.86 5.05 8.61 11.02 15.16 16.15 16.19 13.54 13.61 8.52 4.90 10.02 MEAN OF MIXING RATIO AT 15 GMT. 3.54 3.72 4.97 7.90 10.38 14.09 16.00 14.63 14.00 13.19 7.89 4.90 9.60 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.5 -10.5 -4.5 1.0 10.0 15.0 19.0 14.0 15.0 11.0 4.0 -3.0 -12.5 DAY 25 10 15 5 15 9 17 2 18 23 30 27 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.0 10.5 20.0 27.0 30.5 33.5 35.5 36.0 32.0 30.0 23.5 13.0 36.0 DAY 2 27 25 29 31 24 20 18 2 1 26 6 24 HOUR MAXIMUM PRECIPITATION IN MM. 26.5 36.0 59.0 27.0 28.2 57.0 0.4 55.5 50.2 35.0 49.0 23.5 59.0 DAY 4 7 19 4 6 7 27 1 22 2 28 12 MONTHLY TOTAL PRECIPITATION IN MM. 131.7 83.5 201.2 43.2 88.2 86.5 0.4 67.0 213.5 146.3 84.3 75.7 1221.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 34.1 17.8 23.0 25.1 NO. OF DAYS WITH PRECIPITATION. 15 7 14 4 11 7 1 2 11 10 5 9 96 NO. OF DAYS PRECIPITATION EQUAL 13 7 14 4 9 6 0 2 11 10 5 9 90 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 5 3 6 2 3 2 0 2 7 5 2 3 40 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 92 91 96 91 86 80 73 81 93 95 92 87 88 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 87 87 82 72 75 71 60 62 69 81 80 78 75 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 92 93 92 77 79 73 66 65 84 88 86 87 82 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 9 11 1 0 0 0 0 0 0 0 0 0 21 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 20 11 6 0 0 0 39 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 7 3 0 0 0 0 0 0 0 0 0 0 10 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 15 31 28 10 1 0 0 86 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. 22 24 6 0 0 0 0 0 0 0 0 10 62 DATE OF START AND END FREEZING START = 22 DEC. END = 20 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 1.8 7.2 8.0 13.5 17.8 22.9 25.4 25.7 20.2 17.5 10.5 6.0 14.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.9 3.4 4.4 9.6 13.3 19.0 20.6 21.4 16.2 13.4 5.4 1.6 10.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.6 11.0 11.6 17.5 22.2 26.8 30.3 30.0 24.2 21.6 15.6 10.5 18.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.5 7.6 7.2 7.9 8.9 7.8 9.7 8.6 8.0 8.2 10.2 8.9 8.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.33 5.48 5.48 7.61 10.33 13.61 15.31 16.04 11.56 9.80 5.83 4.53 9.08 MEAN OF MIXING RATIO AT 09 GMT. 4.30 5.60 6.19 8.48 11.44 13.90 17.13 17.94 13.33 11.81 7.34 6.04 10.29 MEAN OF MIXING RATIO AT 15 GMT. 4.12 5.37 5.94 7.90 11.23 13.44 15.97 16.74 12.61 11.11 7.22 5.47 9.76 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -7.0 -0.8 2.0 7.0 9.0 14.5 17.0 17.5 10.5 5.0 1.0 -3.0 -7.0 DAY 27 3 9 12 5 10 12 29 27 31 21 14 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.0 19.0 14.0 24.0 28.0 31.4 33.4 33.5 31.0 27.0 27.5 18.5 33.5 DAY 6 26 20 18 17 27 31 8 5 3 15 16 24 HOUR MAXIMUM PRECIPITATION IN MM. 16.0 21.8 42.5 6.0 40.0 2.8 5.4 48.0 123.0 37.5 48.5 59.5 123.0 DAY 14 22 8 1 20 18 11 26 26 26 23 12 MONTHLY TOTAL PRECIPITATION IN MM. 89.6 31.8 98.9 30.0 83.2 2.8 7.1 125.0 311.8 141.4 102.8 122.8 1147.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 19.2 10.1 38.7 32.0 NO. OF DAYS WITH PRECIPITATION. 10 3 9 7 7 1 3 10 14 11 9 10 94 NO. OF DAYS PRECIPITATION EQUAL 10 3 9 7 7 1 2 9 14 11 9 10 92 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 1 3 0 4 0 0 4 7 6 3 3 35 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 89 91 93 90 89 82 85 88 92 92 85 91 89 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 84 78 81 76 74 67 66 76 78 78 75 84 76 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 90 87 88 84 83 76 77 82 86 84 86 88 84 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 7 0 0 0 0 0 0 0 0 0 0 0 7 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 3 8 20 0 0 0 0 31 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 0 0 5 22 20 1 0 0 0 48 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 1 0 0 0 0 0 0 0 0 0 10 36 DATE OF START AND END FREEZING START = 12 DEC. END = 3 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 3.3 3.6 7.9 11.8 19.6 23.0 23.7 23.7 20.9 18.7 13.1 7.8 14.8 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.3 0.4 4.2 8.0 14.8 18.3 19.2 19.2 16.5 12.8 9.5 3.6 10.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.3 6.9 11.6 15.7 24.3 27.6 28.2 28.3 25.2 24.7 16.7 12.0 19.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.0 6.5 7.4 7.7 9.5 9.3 9.0 9.1 8.7 11.9 7.2 8.4 8.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.89 4.08 5.41 7.25 11.51 13.70 14.50 13.56 11.51 8.82 7.70 4.83 8.90 MEAN OF MIXING RATIO AT 09 GMT. 4.51 4.85 6.02 7.91 13.22 14.80 16.64 15.17 13.49 12.11 8.95 6.04 10.31 MEAN OF MIXING RATIO AT 15 GMT. 4.42 4.76 5.89 7.61 12.41 14.28 15.88 15.00 12.78 11.46 8.93 5.88 9.94 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -2.0 -4.5 -1.0 2.5 8.5 15.0 16.0 15.0 13.0 10.0 3.0 0.5 -4.5 DAY 19 3 7 4 1 9 8 27 25 20 28 27 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.5 15.0 24.0 26.5 28.5 33.0 33.5 35.0 28.0 28.0 23.5 16.5 35.0 DAY 21 8 17 16 30 24 2 21 1 27 2 31 24 HOUR MAXIMUM PRECIPITATION IN MM. 24.0 16.5 27.0 33.0 14.0 7.0 99.5 39.0 33.0 2.5 50.0 23.0 99.5 DAY 31 14 1 21 23 8 30 23 5 10 12 13 MONTHLY TOTAL PRECIPITATION IN MM. 147.5 70.0 110.7 96.4 19.5 9.3 200.0 99.5 104.2 2.5 189.0 89.9 1138.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 28.8 11.0 35.5 24.7 NO. OF DAYS WITH PRECIPITATION. 15 11 13 9 2 3 11 9 10 1 12 9 105 NO. OF DAYS PRECIPITATION EQUAL 14 11 11 9 2 2 10 8 10 1 12 9 99 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 6 1 5 3 1 0 5 3 5 0 7 3 39 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 91 91 94 92 91 88 88 85 88 84 91 86 89 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 86 85 83 78 76 72 76 69 72 67 81 75 77 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 90 90 87 85 86 81 84 78 80 77 89 83 84 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 4 0 0 0 0 0 0 0 0 0 0 4 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 5 9 0 0 0 0 18 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 9 10 13 0 0 0 0 32 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. 18 14 5 0 0 0 0 0 0 0 0 0 37 DATE OF START AND END FREEZING START = 1 JAN. END = 8 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 6.4 5.8 8.4 14.3 20.1 24.8 27.5 25.1 22.4 16.4 9.2 5.8 15.5 AVERAGE OF MINIMUM TEMPERATURE IN C. 2.2 1.7 3.8 9.2 15.3 19.1 21.2 19.2 17.2 12.5 5.7 1.3 10.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.5 9.9 13.0 19.3 24.9 30.5 33.8 31.1 27.5 20.3 12.6 10.4 20.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.3 8.2 9.2 10.1 9.6 11.4 12.6 11.9 10.3 7.8 6.9 9.1 9.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.33 4.24 5.12 7.29 10.69 12.33 13.26 12.39 12.15 9.23 5.82 4.34 8.43 MEAN OF MIXING RATIO AT 09 GMT. 5.33 4.82 5.96 9.14 12.02 14.64 14.87 15.99 13.46 10.59 7.11 5.21 9.93 MEAN OF MIXING RATIO AT 15 GMT. 5.10 4.87 5.83 8.86 12.09 15.02 15.40 15.45 12.82 10.23 6.66 5.06 9.78 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -1.5 -1.0 0.0 4.0 11.0 14.0 19.0 15.5 14.5 7.5 0.0 -1.5 -1.5 DAY 15 12 4 15 10 22 14 18 30 31 14 5 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 20.0 21.0 27.0 25.0 31.5 35.0 36.5 36.5 33.0 25.0 21.0 21.5 36.5 DAY 10 9 27 29 31 27 25 7 3 9 22 27 24 HOUR MAXIMUM PRECIPITATION IN MM. 38.0 17.0 73.0 11.2 16.2 8.2 0.0 15.0 22.0 100.0 100.0 60.0 100.0 DAY 14 24 15 23 13 14 ** 18 15 30 28 2 MONTHLY TOTAL PRECIPITATION IN MM. 71.0 78.8 123.2 25.9 56.0 16.5 0.0 28.3 65.1 286.5 330.4 127.0 1208.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 22.6 8.1 7.7 61.5 NO. OF DAYS WITH PRECIPITATION. 10 11 8 6 6 4 0 3 9 12 13 9 91 NO. OF DAYS PRECIPITATION EQUAL 8 11 6 6 6 4 0 3 9 12 13 9 87 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 4 3 1 2 0 0 1 2 9 6 5 34 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 86 85 89 84 86 81 73 78 86 93 95 90 86 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 75 74 74 73 66 59 48 61 68 79 90 76 70 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 83 82 84 83 81 75 63 72 75 88 92 84 80 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 0 22 10 0 0 0 0 32 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 1 22 31 24 12 0 0 0 90 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. 8 8 4 0 0 0 0 0 0 0 1 10 31 DATE OF START AND END FREEZING START = 14 NOV. END = 16 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 6.1 2.3 5.3 13.9 17.9 23.3 24.8 26.7 21.8 14.5 10.4 7.1 14.5 AVERAGE OF MINIMUM TEMPERATURE IN C. 1.9 -1.2 2.3 9.4 13.4 17.6 19.4 21.0 17.8 11.0 6.8 4.3 10.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.3 5.8 8.4 18.4 22.4 29.0 30.3 32.5 25.8 18.0 14.0 9.9 18.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.4 7.0 6.1 9.0 9.0 11.4 10.9 11.5 8.0 7.0 7.2 5.6 8.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.39 3.55 4.72 7.30 9.74 11.94 13.07 14.08 12.92 8.61 6.27 5.17 8.48 MEAN OF MIXING RATIO AT 09 GMT. 5.46 4.12 5.24 8.39 11.01 13.87 14.51 17.35 14.03 9.92 7.03 5.75 9.72 MEAN OF MIXING RATIO AT 15 GMT. 5.17 4.01 5.16 7.95 10.47 13.37 14.14 16.42 13.84 9.74 7.07 5.84 9.43 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -0.5 -5.0 -3.0 3.0 10.0 14.5 16.0 18.5 14.0 6.0 1.5 -0.5 -5.0 DAY 10 16 2 1 8 15 22 17 28 18 30 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.5 11.0 12.5 26.5 26.5 33.0 33.5 35.5 31.5 24.0 26.0 16.5 35.5 DAY 5 5 27 14 18 10 30 7 3 14 25 13 24 HOUR MAXIMUM PRECIPITATION IN MM. 12.0 36.0 43.0 25.6 11.0 7.0 80.0 33.0 112.0 68.0 45.5 18.3 112.0 DAY 18 29 1 25 7 1 20 9 21 2 27 10 MONTHLY TOTAL PRECIPITATION IN MM. 36.0 131.8 114.5 32.5 38.2 14.0 134.0 43.6 343.5 295.1 145.8 124.5 1453.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 19.4 5.8 35.9 38.9 NO. OF DAYS WITH PRECIPITATION. 6 12 14 4 8 3 4 4 11 13 9 15 103 NO. OF DAYS PRECIPITATION EQUAL 6 12 14 4 8 3 4 3 11 12 9 13 99 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 6 3 1 1 0 4 1 7 7 4 5 41 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 88 89 90 83 89 82 83 83 91 94 90 88 88 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 79 79 82 72 71 63 59 65 75 82 77 80 74 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 84 86 89 81 82 73 69 71 83 89 86 88 82 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 3 0 0 0 0 0 0 0 0 0 0 3 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 3 6 18 5 0 0 0 32 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 12 19 30 3 0 0 0 64 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. 5 24 8 0 0 0 0 0 0 0 0 1 38 DATE OF START AND END FREEZING START = 25 DEC. END = 13 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 0.9 6.6 9.1 13.7 18.9 23.9 26.6 26.2 21.8 13.8 12.2 5.7 15.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.2 3.5 6.1 9.9 13.4 18.9 21.1 20.9 17.7 9.4 8.2 3.0 10.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.1 9.9 12.2 17.5 24.3 28.9 32.2 31.5 25.8 18.1 16.2 8.5 19.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 4.3 6.4 6.1 7.6 10.9 10.0 11.1 10.6 8.1 8.7 8.0 5.5 8.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.31 5.04 6.12 7.88 10.06 13.34 13.21 14.72 12.70 7.77 7.01 4.86 8.83 MEAN OF MIXING RATIO AT 09 GMT. 3.60 5.42 6.66 8.37 10.79 14.42 14.46 17.19 14.10 9.12 8.28 5.21 9.80 MEAN OF MIXING RATIO AT 15 GMT. 3.67 5.35 6.47 8.09 10.10 14.08 13.74 16.07 13.90 8.93 8.14 5.09 9.47 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -4.0 -0.5 0.5 8.5 10.0 15.5 18.5 16.0 12.0 3.0 4.0 -1.0 -4.0 DAY 9 1 7 26 9 1 20 30 30 24 14 14 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 7.0 19.5 17.5 28.0 30.0 33.5 35.5 34.0 30.5 25.0 20.0 15.0 35.5 DAY 9 13 20 13 17 14 7 13 4 4 6 4 24 HOUR MAXIMUM PRECIPITATION IN MM. 34.0 12.9 17.5 24.5 19.0 18.5 13.0 32.0 54.5 100.0 39.5 27.0 100.0 DAY 3 6 13 20 28 27 31 19 27 11 12 25 MONTHLY TOTAL PRECIPITATION IN MM. 136.8 16.6 57.5 40.5 36.0 23.0 20.0 68.5 297.0 375.0 92.0 138.5 1301.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 16.2 7.6 29.6 46.5 NO. OF DAYS WITH PRECIPITATION. 14 4 10 3 4 2 3 4 9 15 6 12 86 NO. OF DAYS PRECIPITATION EQUAL 13 4 9 3 4 2 3 4 9 15 6 12 84 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 6 1 1 2 2 1 1 3 8 7 4 6 42 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 84 91 92 92 89 86 74 86 91 91 92 90 88 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 84 80 82 77 62 65 58 67 78 79 80 82 75 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 90 87 89 83 70 74 63 72 85 85 87 87 81 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 2 0 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 8 20 20 5 0 0 0 53 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 1 12 28 29 3 0 0 0 73 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. 24 2 0 0 0 0 0 0 0 0 0 7 33 DATE OF START AND END FREEZING START = 13 DEC. END = 2 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 5.6 5.5 9.5 12.6 16.2 ***** 24.9 24.5 23.7 17.6 8.5 8.9 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. 1.8 3.1 5.8 8.8 12.2 ***** 19.0 18.7 17.9 13.9 5.2 5.1 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.4 8.0 13.2 16.5 20.3 ***** 30.9 30.3 29.6 21.4 11.8 12.8 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.6 4.9 7.4 7.7 8.1 ***** 11.9 11.6 11.7 7.5 6.6 7.7 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.43 4.90 5.92 7.17 9.26 ***** 13.51 14.45 12.71 9.91 5.53 5.46 ***** MEAN OF MIXING RATIO AT 09 GMT. 5.11 5.29 6.52 8.14 10.10 ***** 15.14 18.53 14.70 10.82 5.90 6.03 ***** MEAN OF MIXING RATIO AT 15 GMT. 5.12 5.17 6.32 8.12 9.77 ***** 15.49 17.96 14.69 11.08 6.00 5.88 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -1.5 0.0 3.0 5.5 7.5 ***** 13.5 14.5 15.5 12.0 1.5 1.0 ****** DAY 23 23 1 16 3 ** 11 28 6 26 3 14 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 20.0 13.0 19.5 23.5 25.0 ***** 35.0 34.0 36.5 28.0 21.0 21.5 ****** DAY 3 18 24 30 14 ** 13 13 20 1 1 16 24 HOUR MAXIMUM PRECIPITATION IN MM. 20.5 18.5 14.0 22.5 31.5 ***** 0.0 9.0 19.5 67.0 37.5 15.0 ****** DAY 9 23 14 11 7 ** ** 26 21 10 2 24 MONTHLY TOTAL PRECIPITATION IN MM. 73.0 63.5 37.3 54.0 107.2 ***** 0.0 16.0 26.5 177.2 198.5 70.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 21.1 19.6 5.2 54.1 NO. OF DAYS WITH PRECIPITATION. 8 7 6 5 11 *** 0 2 3 12 12 6 *** NO. OF DAYS PRECIPITATION EQUAL 8 7 6 5 11 *** 0 2 3 12 12 6 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 3 2 2 4 *** 0 0 1 5 8 4 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 88 92 89 88 91 *** 86 88 86 91 89 84 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 81 87 80 77 79 *** 60 74 68 82 77 76 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 86 89 84 84 84 *** 71 82 78 89 85 79 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 *** 0 0 0 0 0 0 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 *** 9 6 1 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 *** 0 0 0 0 0 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 *** 21 19 17 0 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 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 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 7 2 0 0 0 *** 0 0 0 0 0 0 *** DATE OF START AND END FREEZING START = 15 JAN. END = 24 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 5.2 7.2 9.5 13.3 18.5 22.0 26.7 26.0 23.5 18.0 13.1 8.4 15.9 AVERAGE OF MINIMUM TEMPERATURE IN C. 2.0 3.4 5.3 10.0 13.7 17.3 21.4 20.0 17.5 14.3 9.5 5.1 11.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.3 10.6 13.4 16.6 23.2 26.9 32.0 32.0 29.3 21.4 16.3 11.6 20.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.3 7.2 8.1 6.6 9.5 9.6 10.6 12.0 11.8 7.1 6.8 6.5 8.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.25 4.91 5.61 7.76 9.61 11.23 14.89 13.21 12.98 10.22 7.77 5.53 9.00 MEAN OF MIXING RATIO AT 09 GMT. 4.88 5.39 6.18 8.34 10.56 12.44 15.76 17.04 15.29 11.14 8.42 6.22 10.14 MEAN OF MIXING RATIO AT 15 GMT. 4.75 5.48 5.95 8.15 10.55 12.40 14.82 15.75 14.62 10.86 8.12 6.28 9.81 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -4.5 -0.5 0.0 6.0 7.0 14.5 19.0 18.0 12.0 7.5 5.5 0.5 -4.5 DAY 25 22 4 17 1 7 8 10 20 30 28 24 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 27.0 21.5 23.0 21.5 28.5 33.0 35.5 34.5 32.0 28.0 25.0 18.0 35.5 DAY 4 2 16 10 22 22 13 10 4 1 2 12 24 HOUR MAXIMUM PRECIPITATION IN MM. 62.0 20.0 47.5 19.0 13.5 18.0 9.0 21.0 43.0 95.5 67.0 36.0 95.5 DAY 23 27 27 22 23 8 8 1 10 4 3 21 MONTHLY TOTAL PRECIPITATION IN MM. 124.0 138.3 61.5 74.5 32.5 39.5 9.0 21.0 96.0 236.5 173.0 82.0 1087.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 29.8 13.5 11.6 45.2 NO. OF DAYS WITH PRECIPITATION. 9 12 4 9 4 5 1 1 4 14 7 5 75 NO. OF DAYS PRECIPITATION EQUAL 9 12 4 9 4 5 1 1 4 14 7 5 75 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 7 1 4 1 2 0 1 3 5 5 3 36 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 84 88 89 90 82 80 78 74 87 89 92 88 85 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 79 81 75 81 69 64 63 63 72 80 85 81 74 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 82 86 81 87 77 73 68 71 77 84 89 86 80 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 1 0 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 22 6 5 0 0 0 33 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 28 28 11 0 0 0 71 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. 12 3 3 0 0 0 0 0 0 0 0 0 18 DATE OF START AND END FREEZING START = 8 JAN. END = 7 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 3.6 4.6 7.5 13.1 18.1 23.1 27.3 25.4 21.2 16.1 13.5 9.7 15.3 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.4 1.8 4.3 9.5 14.1 17.9 21.4 20.5 16.8 12.3 10.1 6.5 11.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.8 7.2 10.7 16.5 22.1 28.2 33.3 30.3 25.7 19.9 17.0 13.1 19.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.4 5.4 6.4 7.0 8.0 10.3 11.8 9.8 8.9 7.6 6.9 6.6 7.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.00 4.35 5.23 7.46 10.58 12.41 14.85 14.01 11.89 9.01 8.02 5.82 8.97 MEAN OF MIXING RATIO AT 09 GMT. 4.54 4.98 5.83 8.11 11.61 13.89 15.87 16.18 12.89 10.30 8.97 6.77 10.00 MEAN OF MIXING RATIO AT 15 GMT. 4.56 4.91 5.63 7.92 11.17 13.52 15.34 15.46 12.72 10.03 8.86 6.42 9.71 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -5.0 -3.5 0.0 3.5 10.0 14.5 19.0 17.0 11.5 8.0 6.0 2.5 -5.0 DAY 26 1 8 17 1 1 4 30 23 30 24 20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.0 10.0 19.0 23.0 27.0 32.5 36.5 33.5 30.5 25.0 23.0 28.0 36.5 DAY 27 13 24 23 21 29 14 15 4 2 12 5 24 HOUR MAXIMUM PRECIPITATION IN MM. 57.0 41.0 42.0 39.0 43.0 92.0 0.0 63.0 35.0 52.0 46.0 42.0 92.0 DAY 24 24 17 16 15 17 ** 21 8 20 20 12 MONTHLY TOTAL PRECIPITATION IN MM. 181.5 180.0 160.0 94.0 158.5 92.0 0.0 198.0 119.5 215.0 171.5 82.0 1652.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 31.6 20.9 19.2 28.4 NO. OF DAYS WITH PRECIPITATION. 14 12 11 7 8 1 0 11 6 11 11 4 96 NO. OF DAYS PRECIPITATION EQUAL 14 12 11 7 8 1 0 11 6 11 11 4 96 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 5 7 6 2 5 1 0 6 4 6 6 3 51 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 89 87 90 88 90 84 78 82 89 91 91 87 87 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 83 86 83 77 80 64 56 71 72 81 82 81 76 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 88 89 85 82 83 72 61 75 79 86 87 80 81 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 1 0 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 18 18 2 0 0 0 38 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 7 29 20 2 0 0 0 58 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. 17 9 3 0 0 0 0 0 0 0 0 0 29 DATE OF START AND END FREEZING START = 1 JAN. END = 18 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 9.0 8.6 8.9 11.7 17.7 23.4 26.7 25.7 22.8 19.3 13.8 11.1 16.6 AVERAGE OF MINIMUM TEMPERATURE IN C. 4.8 4.9 5.5 8.0 13.6 18.5 21.5 21.3 17.9 14.6 8.7 7.1 12.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 13.4 12.1 12.2 15.6 21.8 28.2 31.9 30.2 27.5 23.6 18.7 15.0 20.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.6 7.2 6.7 7.6 8.2 9.7 10.4 8.9 9.6 9.0 10.0 7.9 8.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 5.36 5.50 5.83 7.09 9.98 12.59 14.94 15.72 12.96 10.20 6.83 5.68 9.39 MEAN OF MIXING RATIO AT 09 GMT. 6.18 5.91 6.35 7.53 10.60 14.67 17.12 18.33 14.93 12.38 8.01 6.76 10.73 MEAN OF MIXING RATIO AT 15 GMT. 5.92 5.77 6.36 7.44 10.33 14.41 16.68 17.31 14.68 11.86 8.15 6.77 10.47 ABSOLUTE OF MINIMUM TEMPERATURE IN C. 0.5 2.0 0.0 -0.5 9.0 13.5 18.5 19.5 12.5 10.0 5.0 2.5 -0.5 DAY 15 4 4 2 2 7 21 27 24 17 23 21 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 21.5 21.0 22.0 23.0 29.5 33.0 34.5 35.0 31.0 27.5 28.0 26.0 35.0 DAY 17 9 22 21 7 14 31 1 12 15 13 16 24 HOUR MAXIMUM PRECIPITATION IN MM. 34.5 24.0 15.5 59.0 28.5 6.0 5.0 27.5 41.5 65.0 21.0 25.0 65.0 DAY 12 25 26 1 16 6 12 8 22 16 21 29 MONTHLY TOTAL PRECIPITATION IN MM. 48.0 78.0 73.5 159.0 79.5 24.0 16.5 76.5 188.5 159.0 73.0 61.0 1036.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 19.2 25.3 27.2 28.3 NO. OF DAYS WITH PRECIPITATION. 4 8 9 10 7 7 5 6 8 7 6 7 84 NO. OF DAYS PRECIPITATION EQUAL 4 8 9 10 7 7 5 6 8 7 6 7 84 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 3 4 5 3 0 0 3 5 4 3 2 33 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 83 88 91 88 89 81 79 85 88 90 88 81 86 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 75 76 84 78 74 69 64 74 72 79 74 74 74 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 78 81 90 85 78 76 71 80 80 84 82 80 80 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 5 20 23 6 0 0 0 54 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 8 25 23 8 0 0 0 64 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. 0 0 1 1 0 0 0 0 0 0 0 0 2 DATE OF START AND END FREEZING START = 4 MAR. END = 2 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 5.4 3.8 6.9 ***** 18.5 22.8 26.0 24.4 22.4 15.2 9.4 5.9 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. 1.7 0.9 3.3 ***** 15.0 18.4 21.1 19.8 18.3 12.1 6.7 1.9 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.1 6.9 10.4 ***** 22.0 27.3 30.8 29.1 26.2 18.5 12.2 10.0 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.4 6.0 7.1 ***** 7.0 8.9 9.7 9.3 7.9 6.4 5.5 8.1 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.34 3.92 5.00 ***** 10.57 12.72 14.37 13.56 12.79 9.00 6.50 4.14 ***** MEAN OF MIXING RATIO AT 09 GMT. 5.02 4.56 5.70 ***** 11.31 13.74 15.63 14.98 14.27 10.03 6.58 5.20 ***** MEAN OF MIXING RATIO AT 15 GMT. 4.84 4.66 5.65 ***** 10.90 13.56 15.20 14.03 13.66 9.56 6.27 5.25 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -1.5 -1.0 -1.5 ***** 12.5 15.5 18.0 17.5 16.0 8.0 3.5 -0.5 ****** DAY 22 18 28 ** 12 29 1 12 18 6 9 8 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 21.0 12.0 18.0 ***** 25.5 30.0 34.0 31.5 30.0 25.5 19.5 17.0 ****** DAY 8 28 31 ** 31 21 16 5 4 1 4 31 24 HOUR MAXIMUM PRECIPITATION IN MM. 28.0 24.0 50.0 ***** 32.0 13.5 6.0 25.0 299.5 134.0 58.5 7.0 ****** DAY 14 5 25 ** 24 28 31 9 19 24 25 5 MONTHLY TOTAL PRECIPITATION IN MM. 98.2 93.5 245.0 ***** 88.0 38.5 6.0 49.5 918.0 470.0 261.0 19.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 19.1 5.5 42.6 32.8 NO. OF DAYS WITH PRECIPITATION. 9 12 13 *** 12 6 1 5 11 13 8 3 *** NO. OF DAYS PRECIPITATION EQUAL 9 11 13 *** 12 6 1 5 11 13 8 3 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 5 3 7 *** 2 1 0 1 8 11 7 0 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 84 88 89 *** 89 82 79 86 87 91 91 84 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 78 80 81 *** 74 69 61 68 76 85 80 79 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 82 87 87 *** 79 76 68 69 81 87 83 84 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 *** 0 0 0 0 0 0 0 0 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 *** 0 0 18 6 3 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 *** 0 2 25 15 7 0 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 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 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 6 7 4 *** 0 0 0 0 0 0 0 4 *** DATE OF START AND END FREEZING START = 8 DEC. END = 29 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 5.7 7.9 8.5 13.7 20.1 22.8 26.6 25.7 20.5 16.6 13.0 7.3 15.7 AVERAGE OF MINIMUM TEMPERATURE IN C. 1.5 2.8 4.1 9.8 15.6 18.7 21.6 21.1 16.4 12.5 8.7 3.5 11.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.8 12.9 12.9 17.5 24.6 26.8 31.6 29.9 24.5 20.8 17.2 10.9 20.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.3 10.1 8.8 7.7 9.0 8.1 10.0 8.8 8.1 8.3 8.5 7.4 8.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.02 4.69 5.05 7.21 10.87 13.40 14.47 14.34 11.47 8.61 7.20 5.10 8.87 MEAN OF MIXING RATIO AT 09 GMT. 4.49 5.23 5.66 8.59 12.39 14.31 16.72 15.24 12.97 10.56 8.44 5.64 10.02 MEAN OF MIXING RATIO AT 15 GMT. 4.32 5.37 5.69 8.05 11.90 14.18 16.34 15.28 12.66 10.21 8.33 5.47 9.82 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -4.0 1.0 0.0 6.5 10.5 15.5 18.0 17.0 13.0 10.0 3.5 -0.5 -4.0 DAY 27 24 7 12 5 5 1 26 28 7 25 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 19.5 20.5 19.5 25.5 30.0 30.0 36.5 36.0 32.0 25.0 23.0 21.5 36.5 DAY 18 20 13 18 26 8 16 13 8 1 13 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 30.0 3.0 28.5 31.0 12.0 24.0 10.0 33.0 67.0 51.0 31.0 30.0 67.0 DAY 26 25 2 20 30 17 25 29 20 12 4 3 MONTHLY TOTAL PRECIPITATION IN MM. 75.0 5.0 111.0 61.0 37.0 66.5 27.0 95.0 195.5 202.0 106.5 60.0 1041.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 18.3 15.8 30.5 35.4 NO. OF DAYS WITH PRECIPITATION. 5 2 9 7 6 6 5 8 8 7 9 4 76 NO. OF DAYS PRECIPITATION EQUAL 5 2 9 7 6 6 5 8 8 7 9 4 76 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 0 4 2 1 3 1 4 7 5 4 2 36 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 81 81 88 85 87 86 80 84 89 90 90 87 86 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 70 70 75 76 72 72 65 65 76 76 82 79 73 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 75 78 81 80 76 77 72 72 81 82 88 83 79 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 2 0 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 3 22 22 0 0 0 0 47 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 1 24 17 2 0 0 0 45 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. 7 0 2 0 0 0 0 0 0 0 0 6 15 DATE OF START AND END FREEZING START = 23 DEC. END = 8 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 6.8 2.4 7.2 13.7 17.7 22.8 26.8 25.9 22.6 18.6 12.6 4.7 15.2 AVERAGE OF MINIMUM TEMPERATURE IN C. 3.5 -0.1 4.6 10.8 13.6 17.9 21.5 20.7 18.3 14.9 9.5 2.5 11.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.0 4.9 9.3 16.7 21.9 27.6 32.1 31.0 27.0 22.4 15.4 7.1 18.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.5 5.0 4.7 6.0 8.3 9.7 10.6 10.3 8.7 7.5 5.9 4.6 7.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.83 3.66 5.30 7.80 8.97 11.99 14.21 14.13 12.32 10.29 7.31 4.29 8.76 MEAN OF MIXING RATIO AT 09 GMT. 5.35 3.95 5.46 8.02 9.94 13.35 16.66 15.29 15.00 11.56 8.07 4.66 9.78 MEAN OF MIXING RATIO AT 15 GMT. 5.41 3.98 5.41 7.87 9.86 13.01 16.39 14.44 14.27 11.26 8.08 4.53 9.54 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -1.0 -2.5 -0.5 6.0 7.5 14.5 19.0 17.0 16.5 7.0 6.0 -0.5 -2.5 DAY 31 6 2 5 4 17 4 30 9 19 23 24 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 13.0 7.0 14.5 25.0 30.0 30.5 36.0 33.5 29.0 27.5 23.5 12.5 36.0 DAY 3 24 31 21 26 5 21 20 15 2 26 15 24 HOUR MAXIMUM PRECIPITATION IN MM. 16.0 30.0 22.5 7.0 33.0 7.0 10.5 30.0 20.0 85.0 34.0 32.0 85.0 DAY 28 3 15 11 5 15 27 3 4 18 29 27 MONTHLY TOTAL PRECIPITATION IN MM. 50.5 142.0 125.0 33.5 89.5 7.0 14.5 48.5 43.5 328.5 103.5 92.0 1078.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 29.5 12.1 9.9 48.6 NO. OF DAYS WITH PRECIPITATION. 6 9 14 8 9 1 2 3 6 13 9 12 92 NO. OF DAYS PRECIPITATION EQUAL 6 9 14 8 9 1 2 3 5 13 9 12 91 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 6 4 0 3 0 1 2 1 8 5 2 34 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 90 87 94 89 82 82 78 85 88 92 91 89 87 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 76 79 84 76 66 64 60 63 71 81 83 83 74 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 82 84 88 83 75 72 69 70 77 85 88 85 80 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 21 16 1 0 0 0 40 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 1 3 26 25 0 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. 1 18 5 0 0 0 0 0 0 0 0 3 27 DATE OF START AND END FREEZING START = 24 DEC. END = 9 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 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 ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 6.5 5.1 5.7 13.5 16.9 22.1 25.0 25.2 22.1 16.6 10.3 7.3 14.7 AVERAGE OF MINIMUM TEMPERATURE IN C. 3.1 2.9 3.4 10.1 13.8 17.9 20.8 20.3 17.8 14.1 8.8 2.8 11.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.0 7.3 8.0 17.0 20.1 26.2 29.2 30.2 26.3 19.0 11.8 11.8 18.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.9 4.4 4.6 6.9 6.3 8.3 8.4 9.9 8.5 4.9 3.0 9.0 6.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.74 4.52 4.68 7.52 9.51 12.12 14.69 13.93 12.52 10.17 7.03 4.63 8.84 MEAN OF MIXING RATIO AT 09 GMT. 5.51 5.24 5.26 8.39 10.35 13.37 15.92 16.95 15.42 11.18 7.49 5.74 10.07 MEAN OF MIXING RATIO AT 15 GMT. 5.47 5.10 5.23 8.34 10.86 14.34 16.83 17.94 16.01 11.36 7.57 5.41 10.37 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -2.0 -0.6 -1.0 7.0 9.2 13.4 17.0 16.4 11.4 11.0 5.0 -2.2 -2.2 DAY 21 8 3 2 18 23 3 30 30 13 30 13 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 21.0 15.0 12.4 30.0 26.4 29.6 31.8 33.2 32.2 24.2 19.4 23.0 33.2 DAY 18 20 29 15 26 7 5 16 4 5 2 27 24 HOUR MAXIMUM PRECIPITATION IN MM. 57.3 19.0 23.0 9.0 13.0 17.0 28.0 7.0 123.0 49.0 24.2 40.0 123.0 DAY 20 1 16 3 8 20 18 24 21 14 23 9 MONTHLY TOTAL PRECIPITATION IN MM. 108.5 81.1 131.0 28.4 36.3 38.8 30.1 10.1 308.0 230.5 218.9 104.7 1326.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 24.2 7.8 26.3 41.8 NO. OF DAYS WITH PRECIPITATION. 6 10 15 8 16 7 3 3 10 19 26 8 131 NO. OF DAYS PRECIPITATION EQUAL 6 8 14 6 10 4 2 2 10 14 20 8 104 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 2 5 0 1 2 1 0 4 9 12 2 42 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 88 94 93 90 90 86 88 87 92 96 93 88 90 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 77 86 83 76 76 66 65 66 75 84 87 77 77 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 87 92 86 81 83 76 73 75 85 92 94 87 84 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 0 18 14 2 0 0 0 34 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 0 0 11 21 5 0 0 0 38 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. 5 4 3 0 0 0 0 0 0 0 0 5 17 DATE OF START AND END FREEZING START = 5 DEC. END = 17 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 7.7 6.5 7.1 10.3 18.2 23.4 24.4 24.4 20.1 13.3 10.8 7.6 14.5 AVERAGE OF MINIMUM TEMPERATURE IN C. 4.3 3.6 5.1 6.9 14.3 18.9 19.8 20.7 16.8 11.0 8.0 4.4 11.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 11.1 9.3 9.0 13.7 22.0 27.8 28.9 28.1 23.5 15.7 13.7 10.8 17.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.8 5.7 3.9 6.8 7.7 8.9 9.1 7.4 6.7 4.7 5.7 6.4 6.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.91 5.00 5.19 5.94 9.87 11.56 13.42 14.25 11.90 8.00 6.47 5.13 8.47 MEAN OF MIXING RATIO AT 09 GMT. 5.75 5.40 5.11 6.51 10.09 12.13 13.86 15.15 13.15 8.78 6.67 5.67 9.02 MEAN OF MIXING RATIO AT 15 GMT. 5.75 5.40 5.42 6.58 10.57 13.32 14.64 16.25 13.71 8.86 7.16 5.59 9.44 ABSOLUTE OF MINIMUM TEMPERATURE IN C. 0.6 0.4 1.6 1.8 8.6 16.0 15.6 14.2 11.4 5.8 0.4 -2.0 -2.0 DAY 12 12 3 6 1 1 4 30 24 28 30 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 22.6 25.0 12.4 24.0 29.5 33.0 32.5 34.2 26.8 25.4 26.6 23.0 34.2 DAY 30 26 5 13 23 20 20 8 16 2 21 12 24 HOUR MAXIMUM PRECIPITATION IN MM. 23.0 15.0 27.0 19.0 11.1 4.0 53.1 50.2 85.2 82.0 18.0 27.0 85.2 DAY 6 27 14 4 29 4 3 16 1 3 7 5 MONTHLY TOTAL PRECIPITATION IN MM. 78.8 81.7 88.6 63.1 18.6 6.0 84.6 137.4 286.3 296.0 36.5 116.2 1293.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 19.3 6.8 39.3 34.7 NO. OF DAYS WITH PRECIPITATION. 12 16 14 12 5 2 4 10 15 22 7 12 131 NO. OF DAYS PRECIPITATION EQUAL 10 13 10 7 4 2 3 7 14 20 5 11 106 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 3 3 2 1 0 3 3 7 8 2 5 39 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 94 92 90 90 78 87 88 94 93 89 92 90 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 82 84 77 76 65 56 60 68 76 82 73 79 73 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 89 89 84 80 76 67 67 78 88 91 87 86 82 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 8 12 2 0 0 0 26 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 8 12 9 0 0 0 0 29 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. 0 0 0 0 0 0 0 0 0 0 0 2 2 DATE OF START AND END FREEZING START = 29 DEC. END = 31 DEC. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 MET. MEAN AND EXTREMES FOR THE YEAR 1988 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 5.2 4.8 8.5 13.7 17.3 23.6 25.8 24.3 20.9 17.5 11.3 8.5 15.1 AVERAGE OF MINIMUM TEMPERATURE IN C. 2.6 2.1 5.7 10.0 13.8 19.5 21.4 20.6 17.7 14.5 8.0 5.4 11.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.8 7.6 11.2 17.3 20.7 27.7 30.2 27.9 24.1 20.5 14.7 11.6 18.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 5.2 5.5 5.5 7.3 6.9 8.2 8.8 7.3 6.4 6.0 6.7 6.2 6.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.40 4.32 5.52 7.08 9.69 13.28 13.99 13.69 12.29 9.91 6.55 5.57 8.86 MEAN OF MIXING RATIO AT 09 GMT. 4.73 4.63 5.76 7.48 9.73 14.10 14.29 13.65 12.89 10.66 7.18 5.83 9.24 MEAN OF MIXING RATIO AT 15 GMT. 4.94 4.84 5.96 7.92 10.33 14.71 14.99 14.90 13.77 10.96 7.33 6.02 9.72 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -1.2 -0.8 1.6 4.0 7.4 15.2 17.0 17.4 14.5 9.8 2.0 -1.0 -1.2 DAY 3 3 7 6 2 1 28 26 14 23 15 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 13.0 18.4 17.4 26.2 27.2 32.2 34.2 31.5 29.0 24.8 28.8 18.6 34.2 DAY 7 22 16 15 28 13 6 12 10 30 8 11 24 HOUR MAXIMUM PRECIPITATION IN MM. 21.0 14.1 12.0 22.6 51.0 44.0 9.0 39.0 90.0 36.5 28.7 37.0 90.0 DAY 16 17 31 30 30 19 15 29 12 27 29 27 MONTHLY TOTAL PRECIPITATION IN MM. 94.4 60.7 74.6 85.5 98.5 61.4 22.9 144.8 237.6 124.4 126.7 76.0 1207.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 19.0 20.3 33.6 27.1 NO. OF DAYS WITH PRECIPITATION. 12 11 13 16 9 9 7 12 13 15 15 10 142 NO. OF DAYS PRECIPITATION EQUAL 11 9 13 12 7 6 5 9 11 12 11 6 112 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 3 3 3 2 1 0 6 7 4 5 2 40 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 89 92 92 87 92 86 81 86 92 93 92 92 90 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 77 79 76 67 68 64 56 63 74 77 75 73 71 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 87 88 85 76 77 71 62 74 85 87 89 89 81 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 8 19 13 2 0 0 0 42 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 17 6 0 0 0 0 25 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. 2 7 0 0 0 0 0 0 0 0 0 1 10 DATE OF START AND END FREEZING START = 29 DEC. END = 19 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 4.7 4.4 9.9 14.1 18.2 23.1 26.2 25.7 21.7 17.0 13.5 7.9 15.5 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.9 0.4 7.0 10.3 14.6 18.5 22.1 21.9 18.0 14.3 10.1 4.9 11.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.4 8.5 12.8 17.9 21.9 27.7 30.3 29.5 25.3 19.8 16.9 10.8 19.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.5 8.1 5.8 7.6 7.3 9.2 8.2 7.6 7.3 5.5 6.8 5.9 7.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.61 3.74 5.77 7.67 9.86 12.57 15.03 15.31 12.57 10.21 7.37 5.20 9.08 MEAN OF MIXING RATIO AT 09 GMT. 4.16 4.24 6.38 8.53 10.63 12.60 15.47 16.55 14.05 11.48 8.23 5.78 9.84 MEAN OF MIXING RATIO AT 15 GMT. 4.31 4.71 6.54 8.77 11.20 13.38 16.26 16.33 14.56 11.49 8.27 5.90 10.14 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -5.2 -4.8 3.4 4.6 10.2 15.2 19.6 17.6 12.2 9.4 3.0 0.8 -5.2 DAY 4 15 31 2 1 1 2 20 20 25 21 8 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 13.6 22.8 18.6 23.5 28.0 31.0 34.0 32.2 30.4 32.6 29.2 22.0 34.0 DAY 2 28 1 27 7 19 1 5 9 2 27 11 24 HOUR MAXIMUM PRECIPITATION IN MM. 35.0 82.0 29.0 3.0 13.0 4.0 20.0 24.0 124.5 93.0 21.0 38.0 124.5 DAY 3 11 29 18 11 8 10 17 21 14 6 1 MONTHLY TOTAL PRECIPITATION IN MM. 107.6 157.5 37.9 6.9 36.0 6.8 31.7 36.4 260.7 382.7 91.9 70.1 1226.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 24.7 4.1 26.8 44.4 NO. OF DAYS WITH PRECIPITATION. 10 9 6 5 10 6 4 7 8 21 16 12 114 NO. OF DAYS PRECIPITATION EQUAL 8 8 4 3 6 1 3 3 6 17 14 8 81 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 4 1 0 1 0 1 1 5 10 4 2 33 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 84 91 89 93 88 84 83 89 91 96 88 90 89 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 68 68 75 72 70 58 61 68 73 85 78 80 71 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 84 86 84 80 80 67 68 71 83 92 90 89 81 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 1 1 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 3 24 21 7 0 0 0 55 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 18 13 4 1 0 0 40 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. 12 14 0 0 0 0 0 0 0 0 0 0 26 DATE OF START AND END FREEZING START = 3 JAN. END = 18 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 4.0 6.4 8.9 12.3 16.9 22.6 25.2 24.3 22.4 16.5 13.7 7.5 15.1 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.8 3.1 5.6 9.3 13.4 18.5 21.0 20.6 18.5 13.4 10.3 5.0 11.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.3 9.6 12.2 15.4 20.5 26.8 29.6 28.0 26.3 19.7 17.1 10.0 18.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.5 6.5 6.6 6.1 7.1 8.3 8.6 7.4 7.8 6.3 6.8 5.0 6.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.96 4.56 5.42 7.31 9.43 12.88 14.40 14.32 13.05 9.67 7.87 5.46 9.03 MEAN OF MIXING RATIO AT 09 GMT. 4.61 5.39 6.16 8.50 10.94 14.80 16.68 15.70 15.23 11.56 9.47 6.15 10.43 MEAN OF MIXING RATIO AT 15 GMT. 4.76 5.29 6.10 8.33 10.89 14.78 17.27 16.26 15.74 11.58 9.22 6.19 10.53 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -7.0 0.0 -1.6 4.4 9.8 15.0 17.2 18.6 16.0 8.5 5.8 -0.6 -7.0 DAY 8 5 18 2 5 1 6 1 18 16 14 30 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.8 20.8 23.8 23.0 25.4 30.2 32.2 30.8 33.4 24.8 23.2 22.4 33.4 DAY 18 28 1 28 19 14 16 16 14 22 3 6 24 HOUR MAXIMUM PRECIPITATION IN MM. 28.0 20.0 29.0 19.0 18.1 18.1 20.5 14.4 62.0 65.0 15.0 87.2 87.2 DAY 6 21 16 2 13 17 30 26 30 24 11 11 MONTHLY TOTAL PRECIPITATION IN MM. 106.6 107.2 86.4 88.1 40.5 20.7 31.7 41.1 142.0 347.7 83.4 290.0 1385.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 21.7 10.8 15.5 52.0 NO. OF DAYS WITH PRECIPITATION. 11 14 15 12 8 3 3 7 8 16 10 18 125 NO. OF DAYS PRECIPITATION EQUAL 10 12 14 10 7 2 3 6 7 15 10 17 113 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 5 4 2 4 1 1 1 1 3 8 5 7 42 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 90 91 90 95 91 87 84 89 94 97 97 93 92 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 78 79 79 84 77 71 67 70 76 86 82 84 78 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 92 88 86 88 84 77 74 78 88 97 95 94 87 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 2 0 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 16 12 3 0 0 0 33 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 2 0 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 16 4 1 0 0 0 22 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. 14 1 3 0 0 0 0 0 0 0 0 2 20 DATE OF START AND END FREEZING START = 28 DEC. END = 18 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 5.4 5.2 7.3 13.2 17.0 22.6 25.7 25.0 21.3 18.5 11.6 7.1 15.0 AVERAGE OF MINIMUM TEMPERATURE IN C. 2.5 2.4 5.2 10.5 13.8 18.2 20.9 20.9 17.7 15.4 9.6 3.9 11.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.3 8.0 9.3 15.8 20.2 27.0 30.6 29.2 24.8 21.7 13.7 10.2 18.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 5.8 5.6 4.1 5.3 6.4 8.8 9.7 8.3 7.1 6.3 4.1 6.3 6.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.29 4.40 5.53 7.81 9.53 12.44 14.56 14.25 12.26 10.91 7.42 5.03 9.04 MEAN OF MIXING RATIO AT 09 GMT. 4.84 4.97 6.00 8.51 10.44 13.62 16.29 15.24 13.20 12.14 8.12 5.47 9.90 MEAN OF MIXING RATIO AT 15 GMT. 4.98 4.99 6.01 8.39 10.60 14.34 17.12 16.33 13.81 12.60 8.05 5.49 10.23 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -0.8 -2.0 0.2 7.0 10.6 14.4 17.4 17.5 13.6 11.6 3.8 0.0 -2.0 DAY 1 14 11 15 7 1 15 28 27 17 24 22 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.8 21.2 14.2 22.2 23.0 34.4 35.4 32.0 27.6 24.4 18.0 19.6 35.4 DAY 4 17 29 26 28 29 3 2 7 3 12 10 24 HOUR MAXIMUM PRECIPITATION IN MM. 13.0 17.6 65.0 14.1 15.0 6.0 23.0 28.0 43.0 44.0 55.4 16.5 65.0 DAY 15 21 9 12 14 12 8 26 24 10 26 2 MONTHLY TOTAL PRECIPITATION IN MM. 41.6 40.9 192.2 43.7 63.6 14.1 58.7 60.4 177.6 204.4 163.6 93.1 1153.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 23.8 10.5 25.7 40.0 NO. OF DAYS WITH PRECIPITATION. 10 14 18 13 16 6 6 5 8 13 19 12 140 NO. OF DAYS PRECIPITATION EQUAL 8 8 17 8 10 5 4 4 8 13 13 10 108 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 1 7 1 3 0 3 3 6 7 5 5 43 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 89 94 95 91 86 86 87 93 95 95 91 91 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 77 81 87 82 76 65 63 64 72 78 86 75 76 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 90 89 92 85 83 73 71 74 83 92 94 88 85 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 17 15 3 0 0 0 36 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 5 18 12 0 0 0 0 35 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. 3 8 0 0 0 0 0 0 0 0 0 2 13 DATE OF START AND END FREEZING START = 22 DEC. END = 23 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 4.6 5.5 7.1 11.9 15.5 21.9 24.2 23.0 20.5 16.5 11.9 7.4 14.2 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.8 1.6 4.3 8.9 12.3 18.5 20.3 18.9 17.3 12.6 8.5 4.9 10.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.5 9.3 9.9 14.9 18.7 25.3 28.2 27.1 23.7 20.4 15.3 9.9 17.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.7 7.7 5.6 6.0 6.4 6.8 7.9 8.2 6.4 7.8 6.8 5.0 6.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.55 3.92 5.07 6.85 8.68 12.87 13.66 12.76 11.93 8.83 6.76 5.05 8.33 MEAN OF MIXING RATIO AT 09 GMT. 3.97 4.35 5.42 7.30 9.11 13.94 13.48 14.08 13.04 9.89 7.56 5.30 8.95 MEAN OF MIXING RATIO AT 15 GMT. 4.24 4.71 5.58 7.40 9.58 14.33 14.05 14.31 13.55 10.28 7.52 5.46 9.25 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -4.8 -1.0 0.2 4.6 5.4 13.5 14.8 16.0 13.0 8.8 1.8 -2.0 -4.8 DAY 27 4 11 3 5 6 11 19 28 16 27 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.3 21.0 16.2 30.2 27.0 30.2 31.2 30.2 28.0 32.6 27.4 14.0 32.6 DAY 18 19 31 13 29 19 3 25 7 24 22 14 24 HOUR MAXIMUM PRECIPITATION IN MM. 25.0 17.0 64.0 41.0 27.0 26.0 121.0 28.0 93.0 32.3 30.8 38.0 121.0 DAY 24 24 7 18 4 5 10 27 27 7 3 3 MONTHLY TOTAL PRECIPITATION IN MM. 55.5 56.7 171.7 168.8 68.1 86.5 127.7 100.0 227.4 141.6 143.2 85.9 1433.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 19.8 22.6 31.8 25.9 NO. OF DAYS WITH PRECIPITATION. 9 11 11 18 14 13 4 9 13 9 12 12 135 NO. OF DAYS PRECIPITATION EQUAL 6 11 10 17 8 11 4 8 11 8 9 7 110 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 1 5 7 2 4 1 3 4 5 9 3 46 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 81 86 91 93 89 90 85 90 92 92 89 86 89 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 64 70 76 78 73 72 62 67 74 73 76 73 72 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 82 83 83 84 80 80 67 72 84 88 89 85 81 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 1 0 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 6 16 1 0 0 0 0 23 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 0 1 9 1 0 1 0 0 13 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. 13 8 0 0 0 0 0 0 0 0 0 1 22 DATE OF START AND END FREEZING START = 31 DEC. END = 29 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 4.8 3.5 7.9 12.5 18.0 21.4 23.8 24.4 20.6 15.8 6.9 5.4 13.8 AVERAGE OF MINIMUM TEMPERATURE IN C. 1.4 1.2 4.3 9.3 14.6 17.7 20.0 20.4 17.3 12.3 5.0 2.4 10.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.2 5.7 11.5 15.8 21.4 25.1 27.6 28.5 23.9 19.3 8.7 8.5 17.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.8 4.5 7.2 6.5 6.8 7.4 7.6 8.1 6.6 7.0 3.7 6.1 6.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.52 4.01 4.98 6.81 9.84 12.51 14.15 14.12 12.11 8.87 5.28 4.47 8.39 MEAN OF MIXING RATIO AT 09 GMT. 3.73 4.25 5.26 7.30 10.22 13.34 14.23 15.07 13.28 9.63 5.62 5.05 8.92 MEAN OF MIXING RATIO AT 15 GMT. 4.00 4.31 5.44 7.49 10.48 13.64 15.11 15.86 13.80 10.13 5.63 5.12 9.25 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -2.4 -2.6 0.6 5.2 8.4 14.8 17.0 16.4 12.4 8.0 0.4 -0.8 -2.6 DAY 20 18 13 23 10 22 6 3 25 31 25 7 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 22.0 11.0 20.8 23.2 30.0 29.2 31.6 32.0 30.4 26.6 16.4 17.0 32.0 DAY 28 27 8 9 15 25 22 16 14 1 8 23 24 HOUR MAXIMUM PRECIPITATION IN MM. 32.0 25.3 22.0 9.4 6.1 38.9 69.0 17.0 85.0 69.0 34.0 5.5 85.0 DAY 5 12 10 22 7 20 26 31 21 4 24 8 MONTHLY TOTAL PRECIPITATION IN MM. 96.4 129.0 92.1 29.7 28.2 118.9 115.8 55.1 207.2 269.2 230.1 19.2 1390.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 22.8 12.7 27.2 37.3 NO. OF DAYS WITH PRECIPITATION. 15 16 15 13 14 13 6 8 17 15 23 9 164 NO. OF DAYS PRECIPITATION EQUAL 12 11 13 6 8 12 5 7 13 12 19 5 123 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 7 4 0 0 5 2 3 6 5 10 0 44 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 79 91 91 91 88 91 89 88 93 93 90 92 90 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 64 79 70 73 69 72 65 66 77 75 83 78 73 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 79 86 80 81 77 77 73 74 85 89 88 89 82 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 9 11 1 0 0 0 23 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 2 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 0 5 10 1 0 0 0 17 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. 12 12 0 0 0 0 0 0 0 0 0 4 28 DATE OF START AND END FREEZING START = 4 DEC. END = 22 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 5.8 3.1 8.0 13.9 18.0 20.8 23.9 24.6 21.3 16.9 11.7 5.6 14.5 AVERAGE OF MINIMUM TEMPERATURE IN C. 2.9 0.4 5.1 10.5 14.9 17.2 19.4 20.7 16.8 13.0 8.7 2.3 11.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.7 5.8 10.9 17.4 21.0 24.4 28.5 28.5 25.8 20.8 14.6 8.8 17.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 5.8 5.4 5.8 6.9 6.1 7.2 9.1 7.8 9.0 7.8 5.9 6.5 6.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.65 3.84 5.25 7.54 10.37 11.86 12.51 14.19 11.51 9.35 6.96 4.43 8.54 MEAN OF MIXING RATIO AT 09 GMT. 5.22 4.10 5.50 8.12 10.99 11.99 12.46 14.92 13.67 10.99 7.70 4.61 9.19 MEAN OF MIXING RATIO AT 15 GMT. 5.36 4.32 5.70 8.34 11.16 12.32 12.97 15.65 13.62 10.88 7.83 4.71 9.41 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -1.6 -5.0 0.8 4.4 11.4 13.4 15.8 19.0 13.6 9.8 4.0 -2.2 -5.0 DAY 24 19 2 1 18 6 1 5 10 24 10 8 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.0 13.4 20.2 32.0 31.4 29.0 34.6 32.0 28.0 25.2 20.6 21.8 34.6 DAY 31 5 19 24 29 11 22 15 27 5 3 14 24 HOUR MAXIMUM PRECIPITATION IN MM. 11.0 29.1 16.3 10.5 30.0 40.0 19.2 30.5 14.0 33.0 103.0 23.0 103.0 DAY 21 10 8 30 6 3 26 19 3 15 5 20 MONTHLY TOTAL PRECIPITATION IN MM. 22.8 103.8 119.0 37.0 77.4 97.5 19.6 54.7 40.2 126.6 252.4 88.8 1039.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 23.6 20.4 11.0 45.0 NO. OF DAYS WITH PRECIPITATION. 12 17 19 12 13 12 2 5 6 15 17 12 142 NO. OF DAYS PRECIPITATION EQUAL 7 11 14 7 8 10 1 3 5 12 11 9 98 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 4 4 1 3 3 1 2 2 5 8 3 37 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 93 91 92 89 92 86 80 87 90 94 93 91 90 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 80 80 75 72 75 68 54 64 69 77 78 69 72 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 90 89 85 80 83 73 60 73 78 87 90 85 81 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 2 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 7 15 1 0 0 0 23 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 1 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 2 1 0 7 11 0 0 0 0 21 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. 3 14 0 0 0 0 0 0 0 0 0 9 26 DATE OF START AND END FREEZING START = 5 DEC. END = 26 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 6.6 7.1 8.6 14.8 19.0 23.1 25.9 25.5 22.3 15.7 13.5 7.0 15.8 AVERAGE OF MINIMUM TEMPERATURE IN C. 3.5 4.5 5.9 11.0 14.6 18.5 21.1 21.5 18.0 12.5 9.0 3.2 11.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.8 9.7 11.3 18.6 23.3 27.7 30.8 29.5 26.5 19.0 18.0 10.9 19.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.3 5.2 5.4 7.6 8.7 9.2 9.7 8.0 8.5 6.5 9.0 7.7 7.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.72 5.05 5.52 7.37 10.18 12.68 12.91 14.46 12.39 8.71 7.18 4.34 8.79 MEAN OF MIXING RATIO AT 09 GMT. 5.24 5.42 6.18 8.25 11.15 14.20 12.98 15.02 13.97 9.53 8.16 4.79 9.57 MEAN OF MIXING RATIO AT 15 GMT. 5.33 5.57 6.26 8.01 11.25 14.77 13.92 16.04 14.59 10.05 8.25 5.08 9.93 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -1.0 1.0 3.0 6.4 11.2 15.4 19.0 18.0 13.0 8.0 3.2 -3.0 -3.0 DAY 23 28 1 6 11 1 1 21 30 17 30 19 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 19.8 17.4 17.0 29.6 31.0 32.8 35.0 33.0 30.6 26.0 27.2 21.0 35.0 DAY 3 10 31 19 23 26 16 3 11 3 8 22 24 HOUR MAXIMUM PRECIPITATION IN MM. 18.5 20.0 14.3 17.4 6.1 18.0 2.0 64.0 83.0 161.0 66.3 19.0 161.0 DAY 20 5 14 24 6 8 4 14 20 24 11 17 MONTHLY TOTAL PRECIPITATION IN MM. 65.1 52.8 43.2 49.1 26.0 40.9 2.0 127.4 252.2 492.1 71.2 80.2 1302.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 12.4 8.9 29.3 49.4 NO. OF DAYS WITH PRECIPITATION. 10 10 11 9 8 10 1 7 9 13 5 13 106 NO. OF DAYS PRECIPITATION EQUAL 7 7 7 6 7 5 1 5 8 10 2 9 74 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 2 2 2 0 1 0 3 4 7 1 3 28 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 91 92 89 84 87 85 74 83 90 91 87 83 86 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 77 78 79 72 67 66 50 63 69 73 67 66 69 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 87 86 85 76 72 73 58 72 79 88 84 83 79 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 20 23 4 0 0 0 48 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 1 8 23 14 4 0 0 0 50 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. 3 0 0 0 0 0 0 0 0 0 0 5 8 DATE OF START AND END FREEZING START = 18 DEC. END = 25 JAN. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 4.9 5.8 6.8 10.8 19.3 21.8 25.7 25.3 22.1 17.0 11.8 11.2 15.2 AVERAGE OF MINIMUM TEMPERATURE IN C. 2.9 2.8 4.5 8.2 15.3 17.8 21.0 21.1 18.8 13.5 8.8 7.5 11.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.9 8.7 9.1 13.5 23.2 25.7 30.5 29.6 25.4 20.4 14.7 14.8 18.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 4.0 5.9 4.6 5.3 7.9 7.9 9.5 8.5 6.6 6.9 5.9 7.3 6.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.41 4.56 4.94 6.51 11.01 12.40 14.96 14.87 13.42 9.61 6.91 6.24 9.15 MEAN OF MIXING RATIO AT 09 GMT. 4.61 4.88 5.34 7.18 11.98 13.71 16.69 16.76 14.93 11.07 7.71 6.81 10.14 MEAN OF MIXING RATIO AT 15 GMT. 4.75 4.82 5.29 7.40 12.49 14.58 17.63 17.38 15.53 11.23 7.91 6.75 10.48 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -2.2 -3.4 -1.0 2.8 9.0 13.5 16.8 18.0 15.0 10.0 3.8 3.0 -3.4 DAY 21 3 1 6 2 9 15 18 20 17 13 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.0 26.4 12.4 20.4 30.0 30.2 34.2 33.6 34.6 25.0 18.4 25.0 34.6 DAY 1 9 5 27 16 26 13 6 7 24 10 25 24 HOUR MAXIMUM PRECIPITATION IN MM. 34.0 58.0 17.0 15.5 9.0 13.0 1.3 32.0 70.3 70.0 103.1 32.4 103.1 DAY 8 2 13 9 1 11 26 29 20 14 11 11 MONTHLY TOTAL PRECIPITATION IN MM. 144.0 123.6 94.1 50.7 30.1 32.2 1.4 84.3 309.2 141.8 163.6 92.3 1267.3 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 28.5 8.9 31.2 31.4 NO. OF DAYS WITH PRECIPITATION. 12 14 14 15 11 6 2 6 14 14 10 11 129 NO. OF DAYS PRECIPITATION EQUAL 10 10 11 8 6 4 1 6 11 13 7 6 93 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 6 3 4 1 0 1 0 3 7 2 2 4 33 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 90 88 89 91 87 85 88 93 91 91 88 89 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 77 78 79 80 72 70 65 68 78 79 78 75 75 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 85 82 82 85 81 79 74 77 88 89 88 84 83 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 18 15 6 0 0 0 41 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 1 2 19 17 2 0 0 0 41 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. 6 5 2 0 0 0 0 0 0 0 0 0 13 DATE OF START AND END FREEZING START = 11 JAN. END = 19 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 6.3 4.7 7.1 13.8 18.5 23.3 25.1 25.5 19.1 18.8 11.7 7.5 15.1 AVERAGE OF MINIMUM TEMPERATURE IN C. 3.1 1.0 3.7 9.6 14.5 19.7 21.5 21.5 16.3 15.3 8.9 4.4 11.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.5 8.3 10.6 18.0 22.5 26.8 28.6 29.5 21.9 22.3 14.5 10.6 18.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.4 7.3 6.9 8.4 8.0 7.1 7.1 8.0 5.6 7.0 5.6 6.2 7.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.51 3.85 4.67 6.68 9.93 13.94 14.94 15.06 11.47 10.64 6.88 5.26 8.99 MEAN OF MIXING RATIO AT 09 GMT. 5.00 4.16 5.09 7.28 10.92 14.71 16.04 15.91 12.35 11.93 7.42 5.96 9.73 MEAN OF MIXING RATIO AT 15 GMT. 5.24 4.50 5.37 7.26 11.39 15.22 16.42 16.61 12.82 12.55 7.89 5.85 10.09 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -3.0 -5.0 -0.4 2.0 9.6 15.0 18.0 19.0 12.6 7.6 3.8 -0.8 -5.0 DAY 29 6 10 12 3 4 8 31 15 31 29 18 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.0 15.6 20.6 27.4 26.4 31.0 33.4 33.0 30.0 28.2 20.2 17.0 33.4 DAY 7 15 23 24 26 14 30 4 1 14 5 5 24 HOUR MAXIMUM PRECIPITATION IN MM. 24.8 41.0 41.0 27.0 8.0 39.3 17.7 16.4 146.0 25.0 24.6 46.0 146.0 DAY 16 5 7 11 4 3 17 21 3 28 7 16 MONTHLY TOTAL PRECIPITATION IN MM. 117.6 187.4 121.7 33.3 23.9 89.5 65.4 47.5 501.6 90.8 60.7 107.2 1446.6 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 29.5 10.1 42.5 17.9 NO. OF DAYS WITH PRECIPITATION. 14 13 14 6 11 14 8 7 21 10 10 9 137 NO. OF DAYS PRECIPITATION EQUAL 12 13 11 5 6 7 6 3 18 9 7 9 106 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 6 3 1 0 2 3 3 12 5 3 3 45 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 85 84 87 83 85 88 85 85 92 91 90 91 87 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 73 67 71 67 68 71 69 65 79 73 75 80 72 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 85 80 80 72 77 79 74 72 88 88 87 88 81 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 1 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 10 23 21 1 0 0 0 55 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 9 16 1 0 0 0 30 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 4 11 2 0 0 0 0 0 0 0 0 5 22 DATE OF START AND END FREEZING START = 18 DEC. END = 10 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 5.2 4.6 8.2 14.8 19.2 25.0 25.8 26.1 21.3 17.1 12.9 9.8 15.8 AVERAGE OF MINIMUM TEMPERATURE IN C. 2.7 1.1 5.2 11.0 15.3 20.3 21.3 21.9 18.6 13.7 10.4 7.2 12.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.6 8.1 11.3 18.7 23.2 29.6 30.3 30.3 24.1 20.5 15.3 12.4 19.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 4.9 7.0 6.1 7.7 7.9 9.3 9.0 8.4 5.5 6.8 4.9 5.2 6.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.26 3.97 5.41 7.62 10.14 13.54 14.36 14.94 12.88 9.71 8.06 5.93 9.23 MEAN OF MIXING RATIO AT 09 GMT. 4.58 4.39 5.88 8.44 11.56 14.59 15.06 15.95 13.84 11.01 8.74 6.51 10.05 MEAN OF MIXING RATIO AT 15 GMT. 4.78 4.57 6.02 8.55 11.63 15.45 15.44 16.65 14.03 11.13 8.68 6.50 10.28 ABSOLUTE OF MINIMUM TEMPERATURE IN C. 0.0 -3.2 0.4 5.4 9.8 17.4 19.0 18.4 15.0 10.2 7.6 3.0 -3.2 DAY 10 17 3 2 2 4 26 23 29 12 30 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.6 20.6 22.2 29.0 30.2 34.0 33.6 35.6 30.8 28.2 21.0 29.0 35.6 DAY 7 7 13 14 21 17 25 4 1 1 6 11 24 HOUR MAXIMUM PRECIPITATION IN MM. 30.0 47.0 38.0 16.0 23.4 23.0 37.6 27.0 78.0 94.0 37.6 73.0 94.0 DAY 2 19 31 28 29 24 7 18 3 9 9 2 MONTHLY TOTAL PRECIPITATION IN MM. 129.6 212.8 93.4 63.2 49.4 41.0 44.5 95.5 244.8 342.8 217.3 169.6 1703.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 25.6 9.0 22.6 42.8 NO. OF DAYS WITH PRECIPITATION. 19 15 11 14 10 5 7 9 15 13 18 13 149 NO. OF DAYS PRECIPITATION EQUAL 14 10 8 11 8 3 4 8 12 11 16 10 115 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 5 6 4 2 1 2 1 5 8 6 10 4 54 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 86 89 89 88 83 78 82 82 91 93 94 89 87 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 74 73 78 70 70 61 60 64 77 77 84 81 72 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 85 85 86 76 76 68 65 72 84 91 93 88 81 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 12 16 27 2 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 1 14 18 22 1 0 0 0 56 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. 2 11 0 0 0 0 0 0 0 0 0 0 13 DATE OF START AND END FREEZING START = 10 JAN. END = 28 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 7.0 9.8 9.6 13.3 16.7 22.3 25.2 26.4 22.0 17.7 10.9 9.4 15.9 AVERAGE OF MINIMUM TEMPERATURE IN C. 3.8 5.3 6.9 9.8 13.0 18.0 20.6 22.8 18.9 14.1 7.6 5.9 12.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.2 14.2 12.4 16.8 20.4 26.7 29.8 30.0 25.1 21.2 14.2 12.9 19.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.4 8.9 5.5 7.0 7.4 8.7 9.2 7.2 6.2 7.1 6.6 7.0 7.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.84 4.95 5.86 7.25 9.21 11.34 13.67 16.12 12.84 9.78 6.13 5.64 8.97 MEAN OF MIXING RATIO AT 09 GMT. 5.45 5.46 6.36 7.65 9.58 11.48 14.37 17.62 13.49 10.74 6.58 6.02 9.57 MEAN OF MIXING RATIO AT 15 GMT. 5.59 5.75 6.55 7.97 9.73 11.91 14.62 18.72 14.13 11.01 6.76 6.09 9.90 ABSOLUTE OF MINIMUM TEMPERATURE IN C. 0.4 2.2 2.0 5.0 8.8 14.5 15.5 20.0 13.5 9.5 2.0 1.0 0.4 DAY 4 1 19 10 11 3 15 31 24 27 29 2 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 19.5 24.5 15.0 21.4 26.6 31.4 33.0 35.5 30.0 25.8 22.6 25.4 35.5 DAY 11 20 4 18 27 14 10 3 2 1 16 28 24 HOUR MAXIMUM PRECIPITATION IN MM. 29.8 17.4 34.0 28.0 58.0 0.2 111.0 33.0 52.0 79.0 34.3 21.0 111.0 DAY 18 4 16 8 8 10 12 7 15 19 6 24 MONTHLY TOTAL PRECIPITATION IN MM. 89.6 21.2 106.1 66.9 182.3 0.2 115.3 222.0 150.2 270.0 207.3 49.9 1481.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 14.6 16.8 32.9 35.6 NO. OF DAYS WITH PRECIPITATION. 10 4 12 13 16 1 4 12 15 11 17 7 122 NO. OF DAYS PRECIPITATION EQUAL 8 2 11 7 12 0 2 12 10 10 14 6 94 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 1 4 3 4 0 1 7 5 6 9 2 46 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 91 83 90 89 88 77 81 87 89 91 86 90 87 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 77 65 75 70 70 55 59 71 71 72 73 74 69 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 88 77 83 80 77 62 64 80 84 85 86 84 79 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 3 18 28 5 0 0 0 54 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 3 15 21 1 0 0 0 40 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. 0 0 0 0 0 0 0 0 0 0 0 0 0 DATE OF START AND END FREEZING START = ** **** END = ** **** IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 6.3 6.4 7.5 15.9 18.0 22.1 26.4 26.8 22.5 16.2 11.4 9.0 15.7 AVERAGE OF MINIMUM TEMPERATURE IN C. 3.2 3.0 4.2 11.9 14.4 17.7 21.3 22.5 19.4 13.8 9.1 5.9 12.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.3 9.9 10.9 19.8 21.6 26.6 31.4 31.1 25.6 18.5 13.8 12.0 19.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.1 6.9 6.7 7.9 7.2 8.9 10.1 8.6 6.2 4.7 4.7 6.1 7.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.28 4.43 4.91 8.22 9.83 11.67 14.48 15.05 13.26 9.72 7.07 5.60 9.04 MEAN OF MIXING RATIO AT 09 GMT. 4.72 4.92 5.43 9.11 10.06 11.96 16.08 15.84 14.59 10.45 7.59 6.36 9.76 MEAN OF MIXING RATIO AT 15 GMT. 4.71 5.23 5.71 9.09 10.35 12.25 16.80 16.77 14.82 10.53 7.63 6.21 10.01 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -2.2 0.0 0.0 8.0 10.0 12.0 19.4 19.8 16.5 9.4 5.2 1.0 -2.2 DAY 30 9 16 1 5 13 23 13 12 16 26 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 20.0 15.2 17.0 30.0 30.0 33.0 33.6 35.6 31.0 24.0 18.2 21.2 35.6 DAY 20 4 19 20 27 7 1 3 8 12 4 31 24 HOUR MAXIMUM PRECIPITATION IN MM. 43.0 29.0 49.0 1.0 36.0 28.0 4.0 113.0 190.0 61.0 84.0 19.0 190.0 DAY 16 29 24 10 4 12 11 26 25 13 9 9 MONTHLY TOTAL PRECIPITATION IN MM. 141.2 107.2 173.8 2.2 78.3 39.1 4.1 177.3 628.1 242.2 243.7 92.7 1929.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 21.9 6.2 41.9 30.0 NO. OF DAYS WITH PRECIPITATION. 14 12 14 5 8 3 2 9 14 19 17 15 132 NO. OF DAYS PRECIPITATION EQUAL 12 9 14 1 8 2 1 5 12 18 15 13 110 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 5 3 5 0 3 2 0 3 8 8 5 4 46 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 81 87 90 89 87 79 81 82 89 94 91 91 87 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 72 70 73 70 69 61 60 62 77 84 82 80 72 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 79 85 82 78 74 66 68 70 84 92 90 89 80 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 22 28 7 0 0 0 58 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 1 4 25 25 1 0 0 0 57 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 4 2 1 0 0 0 0 0 0 0 0 0 7 DATE OF START AND END FREEZING START = 16 JAN. END = 16 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 5.3 5.5 8.0 13.0 18.2 22.7 25.5 25.1 21.5 16.7 11.8 7.8 15.1 SD OF MEAN DAILY TEMPERATURE IN C. 2.02 2.13 1.32 1.35 1.10 0.97 1.08 0.92 1.08 1.45 1.59 1.67 1.39 AVERAGE OF MINIMUM TEMPERATURE IN C. 1.9 2.1 4.8 9.3 14.0 18.1 20.6 20.5 17.5 13.1 8.4 4.3 11.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.8 8.8 11.2 16.6 22.3 27.3 30.5 29.8 25.6 20.3 15.2 11.3 19.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.9 6.7 6.4 7.3 8.2 9.2 9.9 9.3 8.1 7.2 6.8 7.0 7.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.29 4.47 5.38 7.31 10.00 12.42 13.98 14.18 12.29 9.48 6.99 5.16 8.82 MEAN OF MIXING RATIO AT 09 GMT. 4.94 5.01 5.95 8.07 11.01 13.76 15.53 16.14 13.95 10.84 7.94 5.91 9.92 MEAN OF MIXING RATIO AT 15 GMT. 4.94 5.01 5.92 7.95 10.89 13.79 15.53 15.98 13.84 10.71 7.81 5.80 9.84 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.5 -10.5 -4.5 -0.5 5.4 9.0 13.5 7.0 10.5 3.0 0.0 -5.0 -12.5 YEAR - DAY 72-25 72-10 69-25 81- 2 92- 5 67- 5 78-11 61-16 73-27 77-24 67-30 63-26 72-25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 27.0 26.4 28.0 32.0 31.5 35.0 38.5 36.5 36.5 32.6 29.2 29.0 38.5 YEAR - DAY 79- 4 96- 9 70-18 94-24 75-31 75-27 71-28 75- 7 78-20 89- 2 89-27 98-11 71-28 24 HOUR MAXIMUM PRECIPITATION IN MM. 62.0 82.0 73.0 59.0 58.0 92.0 131.0 239.0 299.5 161.0 103.1 87.2 299.5 YEAR - DAY 79-23 89-11 75-15 81- 1 99- 8 80-17 65-22 62-24 82-19 95-24 96-11 90-11 82-19 MONTHLY TOTAL PRECIPITATION IN MM. 95.6 90.2 108.3 60.7 56.5 45.9 41.2 88.8 230.0 239.0 144.6 91.7 1292.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 22.8 12.6 27.9 36.8 NO. OF DAYS WITH PRECIPITATION. 11 10 12 10 9 6 4 7 10 13 11 9 112 NO. OF DAYS PRECIPITATION EQUAL 10 9 10 8 7 4 3 5 9 12 10 8 95 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 3 4 2 2 1 1 3 6 6 5 3 39 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 90 91 90 88 83 81 85 90 92 91 89 88 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 78 79 80 76 72 66 62 67 74 79 80 79 74 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 86 87 87 83 79 74 69 74 82 88 89 86 82 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 1 1 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 3 15 14 2 0 0 0 34 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 6 19 18 3 0 0 0 46 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. 8 7 2 0 0 0 0 0 0 0 0 3 20 DATE OF START AND END FREEZING START = 14 NOV. END = 2 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION ASTARA LATITUDE 38 26 N DATA PROCESSING CENTER LONGITUDE 48 52 E ELEVATION 25 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. 5.5 5.6 8.0 13.1 18.5 23.3 26.2 25.6 21.7 16.7 11.8 7.8 15.3 AVERAGE DEW POINT TEMPERATURE. IN C. 2.7 3.0 5.6 10.0 14.7 18.2 20.1 20.5 18.3 14.2 9.5 5.1 11.8 AVERAGE OF MIXING RATIO IN G/KG 4.72 4.83 5.74 7.77 10.63 13.32 15.01 15.43 13.36 10.34 7.58 5.62 9.53 AVERAGE OF VAPOUR PRESSURE HPA 7.60 7.77 9.24 12.46 16.97 21.17 23.79 24.44 21.23 16.51 12.15 9.04 15.20 AVERAGE OF SATURATION DEFICIT IN HPA 1.72 1.58 1.71 2.98 4.80 8.02 10.91 9.00 5.33 2.95 2.05 1.90 4.41 AVERAGE RELATIVE HUMIDITY IN PERCENT 84 85 86 83 80 74 71 75 82 86 87 85 82 AVERAGE OF MAXIMUM RELATIVE HUMIDITY(%) 92 93 93 92 89 85 82 86 91 94 94 92 90 AVERAGE OF MINIMUM RELATIVE HUMIDITY(%) 75 77 78 74 71 65 60 66 73 78 79 76 73 NO. OF DAYS PRECIPITATION EQUAL 6 5 7 4 3 2 2 4 7 9 7 5 61 OR MORE THAN 5 MM.