IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 1 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 MET. AVERAGE OF MEAN DAILY TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MAX-MIN 1964 0.5 ****** 10.9 15.5 20.6 23.3 26.8 25.6 22.0 17.6 13.9 ****** ****** 1965 ****** ****** 12.3 15.6 17.7 22.0 23.7 23.8 21.0 17.4 11.7 7.0 ****** 1966 6.2 6.1 7.8 11.6 15.5 21.7 22.5 ****** 23.5 20.4 17.4 12.4 ****** 1967 9.5 7.2 9.0 11.5 16.1 21.0 24.2 22.8 20.5 17.6 13.6 7.9 17.0 1968 6.9 9.7 11.4 15.2 17.2 20.7 23.0 23.3 21.3 ****** 16.6 9.7 ****** 1969 ****** ****** ****** ****** 16.8 21.2 22.0 20.2 18.6 15.5 9.5 ****** ****** 1970 3.5 6.0 9.7 14.0 19.2 23.6 24.8 25.5 20.4 16.8 12.6 4.7 22.0 1971 6.4 ****** ****** 18.7 19.0 22.7 26.3 23.8 19.3 17.5 9.2 1.9 ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** 9.2 12.7 21.0 21.5 21.6 21.6 13.0 10.2 7.7 8.2 ****** 1975 -0.5 ****** 5.2 12.8 17.0 20.5 24.6 24.3 17.2 11.6 8.9 6.3 ****** 1976 6.2 8.2 8.6 8.5 11.9 14.9 22.0 22.7 18.4 14.8 9.5 7.5 16.5 1977 -0.5 2.6 11.2 12.1 16.5 21.3 24.8 21.7 17.7 14.4 6.9 3.4 25.3 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 2.9 7.1 8.0 12.1 14.5 22.5 26.2 23.4 20.2 15.8 9.0 3.3 23.3 1980 0.8 2.0 5.9 12.6 16.8 22.3 24.8 24.7 20.9 16.4 ****** ****** ****** 1981 0.6 2.3 6.6 11.2 15.2 20.1 23.0 22.2 17.9 12.4 7.3 4.3 22.4 1982 0.2 -0.8 3.1 12.7 17.3 22.8 23.4 24.1 19.3 12.3 6.1 ****** ****** 1983 ****** ****** 4.1 11.5 17.1 21.9 24.6 23.6 19.0 12.9 ****** ****** ****** 1984 0.1 1.4 6.7 12.9 15.1 22.6 23.5 24.2 19.0 11.5 9.2 ****** ****** 1985 ****** ****** ****** 13.0 17.5 22.5 24.8 21.3 18.9 12.8 9.7 2.7 ****** 1986 2.0 ****** 5.5 11.9 15.7 20.8 23.2 21.7 17.6 ****** 6.8 ****** ****** 1987 2.0 5.1 6.3 12.0 18.7 22.7 22.5 22.9 21.0 12.6 7.6 4.4 20.9 1988 1.9 1.8 4.7 11.7 18.5 22.0 23.8 22.5 17.5 15.4 8.1 4.0 22.0 1989 -3.4 ****** 6.1 11.4 16.3 21.7 24.2 23.3 20.1 15.7 9.5 4.9 ****** 1990 0.0 2.2 6.8 12.8 18.7 22.6 24.7 24.1 22.2 17.2 ****** ****** ****** 1991 ****** 0.0 4.4 12.9 16.9 22.4 24.7 23.4 20.8 14.8 10.1 3.8 ****** 1992 -1.6 2.2 5.8 12.8 16.2 ****** ****** ****** ****** 13.8 11.8 5.1 ****** 1993 1.6 4.4 7.5 12.2 16.5 20.8 22.1 21.4 18.8 13.7 11.0 8.4 20.5 1994 5.3 4.5 9.2 14.9 16.4 20.6 23.8 23.0 17.9 14.3 9.8 3.6 20.2 1995 3.9 4.6 7.6 12.7 14.8 18.9 22.4 21.1 18.7 12.7 9.9 3.4 19.0 1996 -1.0 4.7 6.5 12.4 17.2 21.0 21.5 21.2 19.0 14.0 8.6 6.5 22.5 1997 3.4 4.0 6.6 12.5 16.9 20.9 23.6 22.7 19.1 14.7 8.3 3.3 20.3 1998 1.0 4.7 9.5 15.3 17.6 21.8 23.8 22.3 19.8 13.7 10.5 9.0 22.8 1999 3.9 6.4 8.2 12.9 17.7 21.6 23.0 22.1 19.8 14.5 9.3 6.2 19.1 2000 3.0 3.6 8.5 15.4 18.8 20.4 22.7 22.3 19.6 12.9 7.3 4.7 19.7 2001 2.7 4.8 11.6 15.3 17.9 21.5 23.6 21.9 18.3 14.5 8.4 6.8 20.9 2002 2.0 6.0 10.1 13.3 17.2 20.7 22.7 22.3 19.0 14.6 8.7 4.8 20.7 2003 3.3 5.2 8.5 13.4 15.3 20.2 23.8 20.9 17.4 13.4 6.8 4.5 20.5 MEAN 2.4 4.3 7.7 13.1 17.0 21.4 23.7 22.8 19.3 14.6 9.7 5.6 21.3 SD 2.83 2.46 2.30 1.79 1.71 1.50 1.28 1.29 1.83 2.13 2.63 2.41 2.01 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 2 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 MET. AVERAGE OF MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 -11.2 -3.1 -3.1 3.0 7.8 10.5 12.6 10.2 7.0 4.3 -0.2 -13.4 2.0 1965 -11.3 -5.6 -2.5 1.6 5.7 10.4 10.8 10.8 7.4 4.2 -0.7 -5.4 2.1 1966 -4.6 -2.6 -1.8 2.9 4.8 8.0 9.3 ****** 10.1 7.6 5.7 -0.6 ****** 1967 -5.5 -8.1 -6.7 -2.1 4.0 7.2 12.2 10.2 8.0 5.9 1.3 -7.4 1.6 1968 -6.6 -3.7 -0.7 4.0 6.0 7.5 9.6 10.1 8.3 8.2 5.7 -1.5 3.9 1969 -5.1 -7.1 1.0 2.7 5.3 8.1 10.4 8.8 8.1 5.1 -3.7 -6.0 2.3 1970 -7.0 -4.8 -3.5 2.7 7.1 9.1 11.5 11.8 7.1 4.8 1.0 -7.0 2.7 1971 -6.5 -1.1 1.5 4.4 5.8 9.0 12.6 10.6 6.3 4.4 -2.1 -8.0 3.1 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** -0.7 3.0 6.0 6.8 6.8 7.2 1.4 -2.8 -3.2 -2.7 ****** 1975 -9.8 -7.9 -6.0 3.6 6.9 9.6 11.8 12.7 6.9 1.3 -1.1 -1.0 2.3 1976 -0.9 1.1 1.6 0.9 3.9 5.6 9.7 11.0 7.5 5.2 0.2 -2.6 3.6 1977 -6.8 -3.5 4.3 5.2 8.1 11.1 13.1 11.6 7.0 6.5 0.9 -2.8 4.6 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 -3.0 -0.7 0.8 6.2 9.0 14.1 16.2 12.3 9.0 5.1 -2.5 -5.0 5.1 1980 -6.3 -4.4 1.0 6.8 9.4 13.3 15.2 16.4 11.8 7.4 6.9 ****** ****** 1981 -5.5 -4.2 0.5 5.1 8.6 11.1 12.9 12.1 6.7 3.0 -0.9 -3.9 3.8 1982 -5.6 -7.3 -2.9 5.7 10.3 13.2 13.6 13.3 9.1 5.2 -1.1 ****** ****** 1983 ****** ****** -1.5 5.8 10.0 12.5 14.0 13.3 9.0 1.4 ****** ****** ****** 1984 -6.6 -5.4 1.0 6.3 7.8 12.7 13.8 14.7 8.4 2.0 2.3 ****** ****** 1985 ****** ****** ****** 5.6 9.4 13.4 15.5 12.6 8.8 2.4 2.4 -3.1 ****** 1986 -5.2 ****** -0.4 6.0 9.4 12.1 14.2 12.0 6.9 ****** 0.8 ****** ****** 1987 -5.5 -2.2 0.2 4.9 11.5 12.9 13.6 13.3 11.1 5.2 -1.0 -2.2 5.1 1988 -5.2 -5.2 -1.4 4.9 9.4 12.4 14.4 12.6 7.5 4.8 -0.7 -3.6 4.2 1989 -12.1 ****** -0.5 4.2 8.3 11.0 13.9 12.8 10.3 5.7 1.8 -2.3 ****** 1990 -7.6 -5.1 -0.7 4.8 8.6 12.5 15.1 13.8 12.3 8.3 ****** ****** ****** 1991 ****** -5.6 -1.9 3.6 7.1 10.7 12.7 11.0 8.3 5.8 0.5 -1.6 ****** 1992 -7.5 -4.3 -0.3 6.2 9.5 ****** ****** ****** ****** 3.4 2.5 -1.0 ****** 1993 -4.5 -1.5 1.7 4.6 9.6 11.6 13.2 12.4 8.2 3.7 3.3 -1.3 5.1 1994 -2.0 -3.4 1.1 6.2 7.5 10.3 14.3 12.3 8.0 6.4 2.1 -4.4 4.9 1995 -5.1 -3.5 -0.7 3.9 6.6 9.1 11.0 10.2 7.5 2.5 -0.3 -3.7 3.1 1996 -7.3 -3.0 0.7 4.8 8.8 11.6 13.0 11.8 9.2 5.4 0.4 -1.6 4.5 1997 -3.8 -4.0 0.0 5.2 9.0 12.4 13.9 11.9 9.2 6.0 2.5 -3.5 4.9 1998 -5.3 -1.7 3.5 8.3 9.6 12.8 15.2 13.0 10.1 4.6 0.6 0.3 5.9 1999 -2.3 -1.0 1.2 4.6 7.3 11.2 13.7 12.0 9.2 5.0 1.5 -1.7 5.1 2000 -3.5 -3.6 0.1 6.2 8.9 9.9 12.9 12.6 9.5 4.0 0.6 -1.5 4.7 2001 -4.5 -2.5 3.9 6.2 9.5 11.7 14.3 12.1 8.5 6.3 0.9 0.7 5.6 2002 -3.6 -0.5 2.6 6.8 8.2 11.0 13.4 12.2 9.0 5.2 1.7 -0.7 5.4 2003 -3.2 -0.9 1.5 6.0 6.8 10.4 14.1 10.6 7.1 4.2 -2.1 -1.5 4.4 MEAN -5.8 -3.6 -0.2 4.6 7.9 10.7 12.9 11.9 8.3 4.7 0.7 -3.2 4.1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 3 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 MET. AVERAGE OF MAXIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 12.1 ****** 24.8 27.9 33.4 36.1 41.1 41.0 37.1 30.9 27.9 ****** ****** 1965 ****** ****** 27.0 29.5 29.7 33.7 36.5 36.7 34.6 30.5 24.2 19.4 ****** 1966 17.1 14.9 17.4 20.2 26.1 35.3 35.7 ****** 36.9 33.2 29.2 25.4 ****** 1967 24.4 22.5 24.6 25.1 28.2 34.9 36.2 35.4 33.0 29.4 25.9 23.1 28.5 1968 20.4 23.1 23.5 26.5 28.5 33.9 36.4 36.5 34.2 ****** 27.5 20.9 ****** 1969 ****** ****** ****** ****** 28.4 34.4 33.6 31.5 29.1 25.8 22.7 ****** ****** 1970 14.0 16.7 22.8 25.3 31.3 38.2 38.1 39.2 33.7 28.7 24.3 16.5 27.4 1971 19.3 ****** ****** 33.1 32.1 36.5 40.0 36.9 32.2 30.6 20.5 11.8 ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** 19.1 22.4 35.9 36.1 36.3 35.9 24.5 23.2 18.6 19.1 ****** 1975 10.4 ****** 16.3 22.1 27.2 31.5 37.4 35.8 27.5 21.9 18.9 13.6 ****** 1976 13.4 15.2 15.6 16.2 19.8 24.2 34.3 34.5 29.4 24.4 18.8 17.6 21.9 1977 5.9 8.6 18.1 18.9 24.8 31.6 36.5 31.7 28.5 22.4 12.8 9.6 20.8 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 8.8 14.8 15.2 18.0 19.9 30.8 36.2 34.4 31.4 26.5 20.5 11.7 22.3 1980 8.1 8.5 10.6 18.4 24.2 31.2 34.3 33.0 30.0 25.3 ****** ****** ****** 1981 6.6 8.8 12.7 17.3 21.9 29.1 33.1 32.2 28.9 21.9 15.4 12.5 20.0 1982 6.0 5.6 9.1 19.6 24.3 32.4 33.2 34.9 29.5 19.4 13.2 ****** ****** 1983 ****** ****** 9.7 17.2 24.3 31.3 35.1 33.9 29.1 24.3 ****** ****** ****** 1984 6.9 8.1 12.7 19.5 22.3 32.5 33.2 33.6 29.6 21.0 16.2 ****** ****** 1985 ****** ****** ****** 20.4 25.6 31.7 34.0 29.9 29.0 23.1 16.9 8.4 ****** 1986 9.1 ****** 11.3 17.9 22.0 29.5 32.1 31.3 28.3 ****** 12.9 ****** ****** 1987 9.5 12.5 12.4 19.1 25.9 32.4 31.4 32.5 30.9 20.1 16.2 11.0 21.2 1988 9.0 8.7 10.9 18.6 27.5 31.6 33.3 32.4 27.5 26.0 16.9 11.6 21.2 1989 5.2 ****** 12.5 18.6 24.3 32.4 34.5 33.8 29.9 25.6 17.1 12.2 ****** 1990 7.7 9.5 14.4 20.8 28.8 32.7 34.3 34.4 32.1 26.0 ****** ****** ****** 1991 ****** 5.7 10.7 22.2 26.6 34.1 36.8 35.7 33.3 23.7 19.8 9.2 ****** 1992 4.3 8.7 11.7 19.5 22.9 ****** ****** ****** ****** 24.2 19.3 11.3 ****** 1993 7.8 10.3 13.2 19.8 23.4 29.9 31.1 30.5 29.4 23.6 18.7 18.1 21.3 1994 12.6 12.4 17.4 23.6 25.2 30.9 33.4 33.7 27.8 22.2 17.5 11.6 22.4 1995 12.9 12.8 15.8 21.5 23.0 28.6 33.8 32.0 29.8 23.0 20.2 10.4 22.0 1996 5.4 12.3 12.3 20.1 25.6 30.4 30.1 30.7 28.9 22.6 16.7 14.5 20.8 1997 10.6 12.1 13.2 19.9 24.9 29.4 33.3 33.5 29.0 23.5 14.2 10.2 21.2 1998 7.4 11.0 15.5 22.4 25.6 30.8 32.5 31.6 29.5 22.9 20.3 17.7 22.3 1999 10.0 13.8 15.2 21.3 28.1 32.0 32.3 32.2 30.3 24.0 17.2 14.1 22.5 2000 9.5 10.9 16.9 24.7 28.7 31.6 32.5 32.1 29.7 21.8 13.9 10.8 21.9 2001 10.0 12.2 19.3 24.5 26.4 31.4 32.8 31.8 28.1 22.6 15.9 12.8 22.3 2002 7.5 12.5 17.7 19.7 26.1 30.4 32.1 32.3 29.0 23.9 15.6 10.4 21.4 2003 9.8 11.2 15.5 20.7 23.8 30.1 33.5 31.3 27.6 22.5 15.8 10.6 21.0 MEAN 10.4 12.0 15.7 21.5 26.1 32.0 34.5 33.7 30.3 24.6 18.9 14.0 22.8 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 4 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 MET. DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 23.3 ****** 27.9 24.9 25.6 25.6 28.5 30.8 30.1 26.6 28.1 ****** ****** 1965 ****** ****** 29.5 27.9 24.0 23.3 25.7 25.9 27.2 26.3 24.9 24.8 ****** 1966 21.7 17.5 19.2 17.3 21.3 27.3 26.4 ****** 26.8 25.6 23.5 26.0 ****** 1967 29.9 30.6 31.3 27.2 24.2 27.7 24.0 25.2 25.0 23.5 24.6 30.5 27.0 1968 27.0 26.8 24.2 22.5 22.5 26.4 26.8 26.4 25.9 ****** 21.8 22.4 ****** 1969 ****** ****** ****** ****** 23.1 26.3 23.2 22.7 21.0 20.7 26.4 ****** ****** 1970 21.0 21.4 26.3 22.6 24.2 29.1 26.6 27.4 26.6 23.9 23.3 23.5 24.7 1971 25.8 ****** ****** 28.7 26.3 27.5 27.4 26.3 25.9 26.2 22.6 19.8 ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** 19.8 19.4 29.9 29.3 29.5 28.7 23.1 26.0 21.8 21.8 ****** 1975 20.2 ****** 22.3 18.5 20.3 21.9 25.6 23.1 20.6 20.6 20.0 14.6 ****** 1976 14.3 14.1 14.0 15.3 15.9 18.6 24.6 23.5 21.9 19.2 18.6 20.2 18.3 1977 12.7 12.1 13.8 13.7 16.7 20.5 23.4 20.1 21.5 15.9 11.9 12.4 16.2 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 11.8 15.5 14.4 11.8 10.9 16.7 20.0 22.1 22.4 21.4 23.0 16.7 17.2 1980 14.4 12.9 9.6 11.6 14.8 17.9 19.1 16.6 18.2 17.9 ****** ****** ****** 1981 12.1 12.9 12.2 12.2 13.3 18.0 20.2 20.1 22.2 18.9 16.3 16.4 16.2 1982 11.6 12.9 12.0 13.9 14.0 19.2 19.6 21.6 20.4 14.2 14.3 ****** ****** 1983 ****** ****** 11.2 11.5 14.3 18.8 21.1 20.6 20.1 22.9 ****** ****** ****** 1984 13.5 13.5 11.7 13.2 14.5 19.8 19.4 18.9 21.2 19.0 13.9 ****** ****** 1985 ****** ****** ****** 14.8 16.2 18.3 18.5 17.3 20.2 20.7 14.5 11.5 ****** 1986 14.3 ****** 11.7 11.9 12.6 17.4 17.9 19.3 21.4 ****** 12.1 ****** ****** 1987 15.0 14.7 12.2 14.2 14.4 19.5 17.8 19.2 19.8 14.9 17.2 13.2 16.0 1988 14.2 13.9 12.3 13.7 18.1 19.2 18.9 19.8 20.0 21.2 17.6 15.2 17.0 1989 17.3 ****** 13.0 14.4 16.0 21.4 20.6 21.0 19.7 19.9 15.3 14.5 ****** 1990 15.3 14.6 15.1 16.0 20.2 20.2 19.2 20.6 19.8 17.7 ****** ****** ****** 1991 ****** 11.3 12.6 18.6 19.5 23.4 24.1 24.7 25.0 17.9 19.2 10.8 ****** 1992 11.8 13.0 12.0 13.3 13.4 ****** ****** ****** ****** 20.8 16.8 12.3 ****** 1993 12.3 11.8 11.5 15.2 13.8 18.3 17.9 18.1 21.2 19.9 15.4 19.3 16.2 1994 14.6 15.8 16.3 17.4 17.7 20.6 19.1 21.4 19.8 15.8 15.4 16.0 17.5 1995 18.0 16.3 16.5 17.6 16.4 19.5 22.8 21.8 22.3 20.5 20.5 14.1 18.9 1996 12.7 15.3 11.6 15.3 16.8 18.8 17.1 18.9 19.7 17.2 16.3 16.1 16.3 1997 14.4 16.1 13.2 14.7 15.9 17.0 19.4 21.6 19.8 17.5 11.7 13.7 16.2 1998 12.7 12.7 12.0 14.1 16.0 18.0 17.3 18.6 19.4 18.3 19.7 17.4 16.3 1999 12.3 14.8 14.0 16.7 20.8 20.8 18.6 20.2 21.1 19.0 15.7 15.8 17.5 2000 13.0 14.5 16.8 18.5 19.8 21.7 19.6 19.5 20.2 17.8 13.3 12.3 17.2 2001 14.5 14.7 15.4 18.3 16.9 19.7 18.5 19.7 19.6 16.3 15.0 12.1 16.7 2002 11.1 13.0 15.1 12.9 17.9 19.4 18.7 20.1 20.0 18.7 13.9 11.1 16.0 2003 13.0 12.1 14.0 14.7 17.0 19.7 19.4 20.7 20.5 18.3 17.9 12.1 16.6 MEAN 16.0 15.4 16.0 16.8 18.2 21.3 21.6 21.8 21.9 20.0 18.3 16.8 18.7 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 5 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 1.34 3.61 3.47 5.35 7.26 7.47 7.58 6.61 4.79 5.30 4.31 1.89 4.91 1965 1.38 3.08 3.58 4.66 4.88 5.44 5.15 5.64 4.65 4.82 4.18 2.67 4.18 1966 3.06 3.60 3.87 5.19 4.93 4.97 5.03 ****** 5.41 4.92 4.98 4.20 ****** 1967 2.70 2.04 2.27 3.62 4.97 5.16 8.06 5.40 5.18 5.65 5.02 2.28 4.36 1968 2.63 3.36 4.21 5.78 6.72 6.95 7.73 7.75 8.05 6.66 6.46 4.20 5.87 1969 2.99 2.47 5.03 5.53 5.19 6.91 7.18 5.15 4.90 4.66 3.32 2.61 4.66 1970 2.38 2.92 3.34 5.44 6.87 5.32 5.45 5.37 4.90 5.24 4.68 2.43 4.53 1971 2.60 4.15 5.15 5.82 6.33 5.27 5.87 5.07 4.91 4.66 3.85 2.10 4.65 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** 4.36 5.24 4.72 4.53 4.72 5.26 4.57 4.69 4.25 4.59 ****** 1975 2.22 1.83 2.65 5.45 6.17 6.10 6.25 6.13 4.75 4.16 4.12 4.29 4.51 1976 4.35 4.94 5.12 4.76 5.31 4.80 5.04 5.81 4.89 5.27 4.50 3.64 4.87 1977 2.73 3.45 5.42 5.15 4.90 5.19 6.72 6.89 5.02 5.37 4.21 3.45 4.88 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 3.51 4.04 4.05 4.73 5.76 5.87 5.96 4.97 5.09 4.91 3.34 2.93 4.60 1980 2.83 3.11 4.18 4.92 5.23 5.74 5.50 5.87 5.31 4.69 5.45 ****** ****** 1981 2.88 2.95 3.93 4.48 5.43 5.93 5.77 5.27 4.79 3.70 3.36 2.81 4.27 1982 2.56 2.25 3.04 4.63 5.44 5.39 5.24 5.65 4.75 5.44 3.81 ****** ****** 1983 ****** ****** 3.33 4.73 6.02 5.75 6.20 6.59 5.68 3.31 ****** ****** ****** 1984 2.32 2.58 4.27 4.24 4.61 6.38 7.52 7.14 5.43 3.71 4.38 ****** ****** 1985 ****** ****** ****** 4.47 5.06 7.04 8.07 6.41 5.52 3.64 3.87 3.29 ****** 1986 2.63 ****** 3.65 5.21 6.10 6.82 6.58 5.44 5.67 ****** 4.18 ****** ****** 1987 2.73 3.21 3.74 4.49 5.81 5.12 5.16 5.57 5.39 4.94 3.05 3.20 4.37 1988 2.93 2.77 3.23 4.26 5.09 5.21 6.36 5.56 4.41 4.26 3.42 3.19 4.22 1989 1.85 ****** 3.75 4.47 4.74 5.02 6.06 5.62 5.92 4.34 4.08 3.20 ****** 1990 2.55 2.94 3.57 4.37 4.96 5.31 7.78 5.04 5.86 4.25 ****** ****** ****** 1991 ****** 2.43 3.50 4.97 5.37 6.65 7.28 4.66 4.77 5.90 4.29 3.68 ****** 1992 2.25 2.90 3.70 5.90 7.60 ****** ****** ****** ****** 5.29 5.20 3.74 ****** 1993 2.92 3.46 3.86 4.38 5.44 5.46 9.01 9.20 7.05 5.24 4.72 3.25 5.33 1994 3.27 3.05 4.42 5.61 6.62 7.06 9.70 8.97 6.69 6.55 4.85 2.93 5.81 1995 2.82 3.28 3.81 4.62 6.37 7.43 8.54 8.12 6.70 4.87 3.52 2.79 5.24 1996 1.95 2.83 4.30 5.49 7.69 8.39 9.53 8.58 7.38 5.45 3.93 3.58 5.76 1997 2.99 2.87 4.06 5.39 7.29 9.27 10.57 9.24 7.16 6.27 5.21 3.04 6.11 1998 2.28 3.12 4.64 5.63 6.89 8.75 10.81 9.52 7.53 5.36 4.16 4.34 6.09 1999 3.53 3.87 4.72 5.38 6.08 7.26 9.27 8.21 6.47 4.47 3.98 3.47 5.56 2000 3.15 3.11 4.10 5.39 6.16 7.77 8.81 8.46 6.69 4.89 4.31 3.57 5.53 2001 2.68 3.09 4.33 4.75 5.81 7.11 9.01 8.42 6.58 5.40 3.88 3.99 5.42 2002 2.87 3.80 4.28 5.79 6.49 8.78 10.60 9.60 7.31 5.60 4.68 3.77 6.13 2003 3.25 3.71 4.08 5.20 5.32 6.91 9.09 6.85 5.61 5.29 3.03 3.45 5.15 MEAN 2.71 3.15 3.98 5.02 5.83 6.35 7.32 6.69 5.72 4.98 4.25 3.31 4.94 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 6 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 ****** 6.68 5.84 6.96 13.20 14.35 20.20 19.34 13.08 5.77 5.57 4.25 ****** 1965 4.68 5.31 5.03 5.07 5.38 6.04 9.39 12.18 7.86 5.96 5.29 4.92 6.42 1966 5.01 5.27 4.91 5.17 5.75 7.71 12.47 ****** 11.95 10.51 6.96 5.44 ****** 1967 5.19 5.09 5.14 5.13 5.59 7.82 14.28 14.93 12.10 6.90 5.46 5.15 7.73 1968 4.98 4.75 5.64 6.44 5.94 7.24 13.61 16.48 14.27 11.44 5.65 5.58 8.50 1969 3.84 4.09 ****** ****** 6.38 10.76 14.07 10.01 5.69 5.46 5.00 ****** ****** 1970 4.61 5.40 5.64 5.72 5.99 9.09 12.94 10.08 7.63 6.43 5.93 5.40 7.07 1971 4.95 6.35 7.93 10.78 6.77 12.15 14.45 9.88 6.76 6.09 5.19 4.53 7.99 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** 4.78 4.98 5.98 5.95 6.16 5.79 4.43 4.53 4.74 4.60 ****** 1975 2.62 5.05 5.17 5.32 5.80 6.92 10.92 11.52 6.24 5.27 4.71 4.95 6.21 1976 5.05 5.13 5.15 5.07 4.93 5.17 6.32 11.04 5.82 5.82 4.82 4.58 5.74 1977 4.09 4.62 4.58 4.68 4.49 6.39 6.98 8.16 6.02 5.80 5.13 4.84 5.48 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 3.98 5.14 4.88 4.59 5.06 6.55 6.47 6.45 5.94 6.25 4.96 4.38 5.39 1980 3.67 4.32 4.17 4.84 5.35 6.81 6.66 6.35 6.19 5.20 11.95 ****** ****** 1981 3.76 4.01 4.02 4.71 4.62 6.30 7.22 6.80 6.00 5.03 4.02 3.99 5.04 1982 3.21 3.00 3.57 4.45 5.59 6.84 6.37 6.60 5.96 5.94 5.13 ****** ****** 1983 ****** ****** 4.84 4.82 5.87 6.39 8.47 7.47 5.91 5.26 ****** ****** ****** 1984 3.32 3.49 4.56 4.30 4.81 6.92 7.24 6.73 5.92 4.85 4.80 ****** ****** 1985 ****** ****** ****** 4.63 5.65 7.23 7.96 6.06 6.68 5.28 4.35 3.94 ****** 1986 3.52 ****** 4.22 5.27 5.88 6.65 7.49 8.10 7.19 ****** 4.83 ****** ****** 1987 3.76 4.21 4.45 4.90 5.94 8.07 7.98 7.71 7.22 5.79 4.90 4.47 5.78 1988 4.32 4.66 3.88 4.80 5.30 6.88 8.09 7.69 5.70 5.67 4.84 3.92 5.48 1989 3.79 ****** 4.47 4.87 5.41 6.31 6.85 6.88 8.58 5.69 5.93 4.94 ****** 1990 4.15 4.29 4.85 4.93 6.75 6.94 7.53 7.41 6.96 5.74 ****** ****** ****** 1991 ****** 4.20 4.70 5.09 4.74 7.75 9.12 6.43 9.00 9.10 6.13 4.13 ****** 1992 3.06 3.44 4.61 9.52 11.87 ****** ****** ****** ****** 13.87 10.57 4.71 ****** 1993 4.15 3.92 4.31 5.15 6.85 8.16 13.69 13.28 11.36 7.09 5.40 4.93 7.36 1994 4.76 4.14 5.53 6.66 7.41 8.08 11.69 13.03 10.04 8.86 7.75 5.03 7.75 1995 4.06 3.85 3.84 4.41 7.66 11.61 11.24 13.21 9.72 6.73 5.28 6.00 7.30 1996 3.69 5.89 8.08 9.24 8.83 9.74 11.28 10.82 8.71 7.53 4.77 4.17 7.73 1997 3.39 2.49 3.97 6.34 7.95 10.76 13.72 13.77 9.65 7.67 5.93 4.07 7.48 1998 3.32 3.98 5.47 6.50 9.62 13.11 13.21 10.47 8.75 6.20 4.05 4.26 7.41 1999 4.41 4.51 4.56 6.28 8.77 13.39 13.49 12.64 9.43 7.23 4.60 4.28 7.80 2000 3.67 3.75 4.00 5.52 5.83 9.10 10.06 9.94 8.34 7.89 5.68 4.59 6.53 2001 3.63 4.38 5.33 5.88 6.56 8.49 7.72 7.69 6.91 6.50 4.01 4.89 6.00 2002 3.63 3.77 3.66 4.71 6.03 6.95 7.71 7.44 7.01 5.18 4.85 4.04 5.41 2003 3.13 3.21 3.64 5.89 7.48 7.21 8.73 7.17 6.53 5.88 4.79 4.60 5.69 MEAN 3.99 4.45 4.85 5.66 6.55 8.22 10.05 9.71 7.94 6.68 5.55 4.66 6.52 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 7 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 2.00 4.84 4.85 5.47 7.49 7.34 8.53 6.84 5.55 5.45 4.86 2.49 5.48 1965 2.53 3.65 4.69 5.33 5.00 5.70 6.69 6.55 5.11 4.63 4.85 4.69 4.95 1966 4.95 5.13 4.92 4.90 5.03 4.97 5.26 ****** 6.03 5.12 4.98 4.86 ****** 1967 3.97 2.68 3.80 4.59 5.20 4.99 8.36 5.75 5.41 5.40 5.17 3.04 4.86 1968 3.37 3.86 4.79 6.54 6.87 7.15 8.61 8.28 8.56 6.33 5.47 5.03 6.24 1969 3.85 3.61 5.52 5.79 5.14 7.39 6.59 5.24 4.84 4.60 4.96 3.96 5.12 1970 3.10 4.12 4.35 6.08 5.70 5.08 5.82 5.69 4.77 5.19 5.12 2.66 4.81 1971 2.74 5.02 5.62 6.26 6.57 6.02 6.24 5.26 4.82 4.61 4.98 3.13 5.11 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** 4.95 4.79 5.65 5.31 4.89 4.91 4.54 4.49 4.77 4.53 ****** 1975 ****** 3.13 4.11 5.31 6.01 6.56 12.76 7.31 4.93 4.69 4.98 5.04 ****** 1976 5.06 5.02 4.71 5.16 5.14 4.87 6.73 7.54 4.82 5.02 4.80 4.65 5.29 1977 3.73 4.56 4.21 4.49 4.58 5.04 7.85 7.37 4.91 5.32 4.99 4.58 5.14 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 3.41 4.64 4.51 4.30 4.93 5.91 6.37 5.74 5.43 5.34 4.64 4.11 4.95 1980 3.12 3.99 3.82 4.11 5.00 6.05 6.38 5.34 5.81 4.85 9.98 ****** ****** 1981 3.13 3.66 3.71 4.12 5.00 5.30 6.02 5.98 5.10 4.68 3.54 3.46 4.47 1982 2.86 2.69 3.33 3.99 5.25 5.92 5.81 5.67 5.17 5.29 4.94 ****** ****** 1983 ****** ****** 4.48 4.43 5.10 5.46 6.46 6.09 5.11 4.54 ****** ****** ****** 1984 3.10 3.11 4.29 4.09 4.40 6.08 5.95 5.47 5.25 4.55 4.72 ****** ****** 1985 ****** ****** ****** 4.11 4.73 5.75 6.41 5.27 5.59 4.72 3.99 3.38 ****** 1986 3.01 ****** 3.92 4.86 4.86 5.61 5.95 6.38 5.81 ****** 4.69 ****** ****** 1987 3.27 3.77 3.78 4.29 5.36 6.32 7.35 6.08 5.72 5.03 4.21 3.95 4.93 1988 3.66 3.86 3.58 4.35 4.78 5.54 6.49 6.07 4.67 4.90 4.04 3.33 4.61 1989 3.16 ****** 3.78 4.27 4.73 5.65 6.08 6.22 6.62 5.03 5.41 4.52 ****** 1990 3.53 3.74 4.41 4.70 5.42 6.04 5.94 5.20 5.76 4.92 ****** ****** ****** 1991 ****** 3.42 4.39 4.73 4.08 6.60 7.11 4.97 6.40 9.99 6.88 4.90 ****** 1992 3.43 3.76 4.47 8.34 10.46 ****** ****** ****** ****** 11.80 8.75 4.69 ****** 1993 3.94 4.19 4.27 4.88 6.64 9.16 10.84 11.71 10.65 7.08 5.21 4.67 6.94 1994 4.00 4.05 5.30 7.15 7.71 9.30 9.79 13.18 8.43 7.05 6.91 4.61 7.29 1995 4.08 3.36 3.72 4.51 5.96 7.33 11.33 10.43 9.14 8.48 6.24 3.83 6.53 1996 1.96 3.97 5.50 6.45 7.90 8.59 9.80 9.75 7.82 6.93 4.50 4.39 6.46 1997 3.28 3.19 3.92 4.92 6.12 9.52 11.03 10.77 7.57 7.12 5.71 3.95 6.43 1998 3.22 3.84 4.60 5.31 8.03 10.44 10.39 8.51 7.06 5.79 3.60 4.23 6.25 1999 4.00 4.02 4.02 5.38 7.52 10.91 11.57 10.65 7.69 6.29 4.05 4.04 6.68 2000 3.68 3.65 3.60 4.67 4.91 7.60 8.29 8.92 6.51 6.81 5.07 4.23 5.66 2001 3.35 3.89 4.60 4.78 5.29 7.39 7.46 7.55 5.69 5.86 3.62 4.64 5.34 2002 3.26 3.47 3.64 4.42 4.57 6.32 7.00 6.87 6.11 5.15 4.92 3.86 4.96 2003 3.13 3.10 3.38 4.63 6.82 6.58 7.92 6.24 5.67 4.89 4.12 4.50 5.08 MEAN 3.41 3.85 4.33 5.05 5.79 6.67 7.67 7.14 6.09 5.78 5.14 4.13 5.42 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 8 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 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 1964 -16.0 3 -8.5 14 -8.5 14 -3.0 12 4.5 4 7.5 3 10.0 2 8.0 17 5.0 24 2.0 30 -7.5 30 -24.0 18 -24.0 1965 -20.0 16 -16.5 2 -7.0 2 -6.0 1 1.5 2 6.0 2 8.5 11 9.0 7 5.0 18 -3.0 26 -6.0 28 -7.5 31 -20.0 1966 -7.0 11 -6.0 4 -6.5 4 1.5 6 2.5 8 6.0 3 8.0 6 ***** ** 8.0 14 6.0 25 3.0 29 -6.0 28 ***** 1967 -9.5 9 -12.5 19 -12.5 2 -6.5 30 -3.0 1 5.0 1 10.0 12 9.0 8 5.5 30 4.5 25 -6.6 25 -11.0 13 -12.5 1968 -11.0 7 -7.0 12 -5.0 4 1.5 4 4.0 1 6.0 3 7.5 3 7.0 29 6.0 15 5.5 22 3.5 30 -8.5 30 -11.0 1969 -12.5 1 -10.5 13 -5.0 1 -2.0 14 3.0 1 5.5 2 7.0 15 6.5 29 5.0 15 2.0 30 -8.5 21 -8.0 8 -12.5 1970 -11.5 30 -11.0 2 -8.0 5 -4.0 3 4.0 5 7.0 1 9.0 1 8.5 31 5.0 30 1.5 27 -7.0 30 -12.0 16 -12.0 1971 -13.0 6 -6.0 3 -8.0 24 2.0 1 4.5 3 7.0 1 10.0 7 7.5 28 5.0 24 -3.5 31 -7.0 16 -14.0 31 -14.0 1972 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1973 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1974 ***** ** ***** ** -6.0 12 1.0 2 4.5 1 5.0 2 6.0 7 5.0 31 0.0 18 -6.0 26 -6.5 7 -6.0 31 ***** 1975 -18.0 7 -12.5 17 -13.0 11 1.0 2 3.0 2 7.5 2 9.0 15 9.0 31 5.5 30 -5.0 31 -5.0 12 -15.0 22 -18.0 1976 -6.5 24 -5.0 15 -5.0 4 -4.5 1 2.0 7 3.0 7 0.6 3 8.0 29 5.0 28 3.0 23 -6.0 19 -9.0 12 -9.0 1977 -12.0 13 -8.5 2 1.5 1 3.0 19 5.5 7 8.0 2 10.5 8 8.5 25 5.0 19 2.0 27 -4.5 24 -7.5 28 -12.0 1978 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1979 -9.5 28 -5.5 6 -5.0 2 2.5 29 3.5 1 11.6 7 13.5 1 9.5 29 5.5 27 -1.5 31 -6.5 20 -11.5 22 -11.5 1980 -14.0 2 -6.5 1 -4.5 5 2.5 6 6.5 2 10.5 1 10.6 2 14.0 17 9.0 28 4.5 24 2.1 25 ***** ** ***** 1981 -10.5 7 -9.5 14 -5.5 5 -3.5 2 5.0 1 8.0 6 9.5 30 8.5 3 2.5 24 -2.5 31 -5.0 24 -5.5 1 -10.5 1982 -9.0 22 -12.5 20 -7.5 6 -1.5 1 8.0 12 11.0 3 12.0 21 6.5 29 3.5 27 3.0 18 -5.5 30 ***** ** ***** 1983 ***** ** ***** ** -7.5 1 1.5 2 6.0 3 10.0 2 11.0 8 8.0 30 3.0 30 -3.5 21 ***** ** ***** ** ***** 1984 -11.5 31 -13.5 2 -5.5 2 1.0 28 5.0 2 8.5 1 11.0 10 12.5 31 2.0 30 -4.5 20 -2.5 21 ***** ** ***** 1985 ***** ** ***** ** ***** ** 1.0 10 6.0 5 10.0 10 12.5 28 9.5 18 6.0 28 -3.5 31 -4.0 30 -7.5 30 ***** 1986 -8.5 21 ***** ** -3.5 17 3.0 2 5.5 1 9.0 21 12.5 15 8.0 13 5.0 13 ***** ** -4.5 27 ***** ** ***** 1987 -8.5 3 -6.6 12 -3.0 16 -2.0 1 8.5 8 9.5 1 12.0 27 12.0 27 4.5 28 1.0 10 -5.5 30 -7.0 3 -8.5 1988 -9.5 20 -9.5 18 -5.5 16 -3.0 2 6.5 9 10.0 9 12.0 1 10.0 31 5.5 27 2.5 23 -7.5 27 -10.5 28 -10.5 1989 -18.5 17 ***** ** -7.5 1 -5.0 1 5.5 4 9.0 1 11.0 31 11.5 18 7.0 24 3.0 25 -3.5 24 -7.5 9 ***** 1990 -12.5 13 -9.5 1 -5.5 1 -2.5 6 5.0 15 9.0 2 12.0 20 10.5 29 8.5 27 6.0 23 ***** ** ***** ** ***** 1991 ***** ** -10.0 25 -7.0 26 -2.5 13 2.0 5 7.5 2 10.5 2 7.5 26 4.0 28 1.5 31 -3.0 17 -9.0 31 ***** 1992 -16.0 29 -12.5 12 -8.0 1 -1.0 2 4.0 5 ***** ** ***** ** ***** ** ***** ** 1.0 28 -6.8 27 -7.8 29 ***** 1993 -11.0 22 -9.5 18 -4.5 13 1.0 13 5.0 1 7.5 5 10.5 19 10.0 31 5.5 23 -0.5 9 -5.0 30 -4.0 13 -11.0 1994 -7.5 28 -8.5 25 -5.5 14 2.5 1 2.5 2 8.5 5 12.0 1 9.5 22 2.5 24 2.5 13 -6.5 16 -11.5 8 -11.5 1995 -11.5 23 -8.5 11 -6.5 1 -2.5 8 2.5 9 5.5 9 8.0 1 7.5 8 4.5 26 -1.0 21 -8.5 26 -6.4 1 -11.5 1996 -18.5 27 -7.5 2 -4.0 6 -1.0 6 6.0 3 7.6 7 10.6 18 8.6 4 6.4 21 0.5 20 -5.0 13 -5.6 3 -18.5 1997 -13.0 20 -10.0 8 -6.0 8 -4.4 13 3.0 6 10.4 2 10.4 7 8.6 30 7.0 10 2.0 27 -2.6 30 -12.0 22 -13.0 1998 -9.6 11 -8.6 18 -4.0 5 4.0 7 3.4 3 11.0 13 13.0 5 10.6 15 2.2 11 2.0 24 -1.6 19 -3.0 7 -9.6 1999 -8.0 28 -6.0 7 -2.6 7 -0.5 11 4.0 12 8.4 8 11.0 30 9.4 28 6.0 27 1.6 24 -7.6 30 -8.0 1 -8.0 2000 -10.0 15 -10.0 10 -5.4 7 2.0 3 4.0 3 6.0 4 9.0 21 9.4 21 6.0 27 -1.2 29 -3.4 28 -6.4 17 -10.0 2001 -18.6 29 -7.0 1 -1.8 2 2.0 15 6.0 23 8.0 2 9.6 31 7.8 17 1.0 13 4.0 9 -4.4 25 -4.2 24 -18.6 2002 -9.6 15 -6.4 5 -3.0 6 1.6 1 3.8 5 7.0 4 9.4 5 9.0 29 4.0 30 2.0 26 -4.2 30 -6.8 31 -9.6 2003 -7.0 30 -9.0 1 -7.4 2 1.4 30 3.0 5 6.4 8 12.4 1 8.0 24 5.6 20 2.0 27 -6.8 24 -9.2 13 -9.2 LOW. -20.0 16 -16.5 2 -13.0 11 -6.5 30 -3.0 1 3.0 7 0.6 3 5.0 31 0.0 18 -6.0 26 -8.5 21 -24.0 18 -24.0 YEAR 1965 1965 1975 1967 1967 1976 1976 1974 1974 1974 1969 1964 1964 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 9 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 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 1964 17.0 29 ***** ** 29.0 23 34.0 30 38.0 30 38.0 22 44.0 12 43.0 7 41.0 7 37.0 7 32.0 7 ***** ** ***** 1965 ***** ** ***** ** 31.0 5 35.0 23 34.0 30 36.0 21 39.0 28 40.0 2 38.0 2 35.0 1 28.0 3 27.0 2 ***** 1966 23.0 8 19.0 13 22.0 7 25.0 16 34.0 29 37.0 2 38.0 26 ***** ** 40.0 11 36.0 4 32.0 11 28.0 9 ***** 1967 27.0 8 26.0 2 29.0 30 27.0 3 37.0 2 37.0 25 38.0 31 37.0 2 35.0 1 33.0 3 30.4 2 26.0 16 38.0 1968 24.0 23 26.2 28 26.0 3 28.4 17 32.0 31 36.0 14 38.0 16 38.4 5 36.2 5 ***** ** 31.4 2 27.2 4 ***** 1969 ***** ** ***** ** ***** ** ***** ** 32.0 26 37.0 22 37.4 25 36.4 5 32.0 2 28.0 19 25.0 6 ***** ** ***** 1970 21.4 7 22.0 22 28.0 29 28.2 26 38.0 25 42.0 15 41.0 28 44.0 2 37.0 3 34.0 3 27.0 6 27.0 9 44.0 1971 27.0 28 ***** ** ***** ** 36.0 10 34.0 17 39.4 25 42.0 9 42.0 10 34.0 15 34.0 6 27.0 2 20.0 15 ***** 1972 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1973 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1974 ***** ** ***** ** 23.0 30 24.2 28 38.0 9 38.4 24 39.0 5 37.4 13 28.2 5 25.4 20 22.4 7 22.0 9 ***** 1975 14.4 21 ***** ** 21.0 23 26.0 24 32.0 31 35.2 30 41.0 31 40.4 12 30.4 2 26.2 4 22.0 23 16.0 14 ***** 1976 16.0 17 18.4 8 20.4 26 19.2 30 23.0 24 31.0 30 36.4 22 37.0 9 37.0 13 26.0 1 23.0 9 21.0 9 37.0 1977 10.5 3 12.0 18 21.0 26 22.0 6 28.0 30 39.0 27 38.4 4 34.0 2 31.0 14 29.0 1 17.0 1 15.0 5 39.0 1978 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1979 13.0 10 18.5 26 19.0 23 22.0 5 25.0 24 34.5 30 38.5 2 37.0 1 34.5 12 30.0 6 24.0 2 20.5 5 38.5 1980 11.5 15 12.5 21 14.0 31 24.0 26 27.0 23 35.0 22 36.0 11 36.0 6 33.0 5 28.0 4 ***** ** ***** ** ***** 1981 11.5 26 13.5 17 17.0 25 23.5 22 28.5 27 32.0 24 36.5 3 35.0 20 33.0 16 26.5 2 22.0 11 14.0 2 36.5 1982 11.0 10 10.5 28 13.5 24 25.5 25 27.5 19 36.5 12 36.0 30 39.5 6 33.0 4 26.0 2 17.0 8 ***** ** ***** 1983 ***** ** ***** ** 16.0 29 21.0 17 28.0 17 34.0 30 37.5 13 38.0 10 35.5 7 30.0 2 ***** ** ***** ** ***** 1984 16.0 6 18.0 13 22.0 12 24.0 21 27.0 27 37.0 15 35.5 23 36.0 15 35.0 1 27.0 4 20.0 1 ***** ** ***** 1985 ***** ** ***** ** ***** ** 27.0 19 31.0 28 35.5 27 36.5 23 34.0 5 32.0 1 29.0 5 22.0 1 13.0 11 ***** 1986 12.0 2 ***** ** 17.0 4 22.5 15 27.0 30 34.5 30 34.5 6 34.5 6 31.0 23 ***** ** 22.5 2 ***** ** ***** 1987 13.0 31 16.0 3 17.0 11 25.6 27 29.5 15 35.5 22 35.0 21 35.0 25 34.5 4 31.0 1 21.0 6 15.5 19 35.5 1988 12.5 7 12.0 6 17.5 31 22.5 17 32.0 28 34.0 13 36.5 19 36.0 6 30.5 16 31.0 5 23.0 8 17.0 11 36.5 1989 11.0 24 ***** ** 17.0 11 25.0 18 33.0 29 36.0 27 38.0 13 35.0 10 33.0 1 29.0 2 20.5 5 15.0 1 ***** 1990 13.0 1 14.0 20 19.0 4 27.0 27 33.5 23 34.0 6 36.0 16 38.0 13 35.0 1 32.0 7 ***** ** ***** ** ***** 1991 ***** ** 13.0 27 22.0 31 28.0 25 34.0 31 37.0 28 39.0 14 38.0 8 37.0 3 28.0 11 25.0 1 13.5 11 ***** 1992 10.5 20 14.0 20 18.0 20 25.0 13 28.5 29 ***** ** ***** ** ***** ** ***** ** 28.5 4 22.5 2 17.5 12 ***** 1993 15.0 27 19.0 28 22.0 31 24.0 15 29.5 28 33.0 17 33.5 15 33.0 17 32.0 4 28.5 1 26.0 7 23.5 18 33.5 1994 20.0 1 17.5 8 24.0 30 30.0 22 30.5 31 34.0 19 35.5 16 35.0 2 33.5 1 27.5 3 21.5 15 17.0 1 35.5 1995 16.5 11 17.5 14 22.0 27 25.5 2 25.5 18 34.5 22 36.0 16 33.5 2 34.0 15 25.5 3 23.0 3 14.5 2 36.0 1996 16.0 29 16.0 8 20.0 31 25.6 30 30.6 31 32.4 24 31.6 3 32.0 9 32.0 10 28.0 1 22.6 4 19.4 6 32.4 1997 17.4 12 19.0 21 20.0 2 28.4 26 30.0 28 32.0 16 36.0 14 36.0 16 32.0 2 28.0 4 18.6 21 17.6 8 36.0 1998 11.6 19 16.0 7 24.0 28 29.0 15 29.0 11 33.6 8 36.0 12 34.4 19 33.0 2 28.6 5 23.6 18 22.0 14 36.0 1999 15.4 8 18.0 26 24.0 31 25.0 20 31.0 30 34.0 20 35.4 5 33.0 2 33.0 5 27.0 1 22.0 19 20.6 30 35.4 2000 18.0 2 16.4 24 21.6 21 28.0 14 32.6 31 35.0 30 35.0 1 34.0 4 32.6 10 26.0 1 22.0 2 16.4 31 35.0 2001 17.0 15 20.4 28 26.4 22 27.6 2 31.0 17 35.0 28 36.0 5 34.4 3 31.0 3 25.4 2 23.6 5 18.0 31 36.0 2002 16.4 1 17.0 10 24.6 13 27.4 27 31.0 30 33.0 14 35.4 20 38.4 2 32.4 3 26.0 4 23.0 11 15.0 7 38.4 2003 19.0 13 16.0 24 21.0 25 27.0 5 27.0 17 33.0 23 35.0 22 34.4 4 31.0 1 26.6 2 22.4 1 17.0 18 35.0 HIG. 27.0 8 26.2 28 31.0 5 36.0 10 38.0 30 42.0 15 44.0 12 44.0 2 41.0 7 37.0 7 32.0 7 28.0 9 44.0 YEAR 1967 1968 1965 1971 1964 1970 1964 1970 1964 1964 1964 1966 1964 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 10 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 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 1964 22.0 10 10.0 4 10.0 4 13.0 16 9.3 1 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 10.0 24 50.0 12 50.0 1965 54.0 19 18.0 1 18.0 21 8.0 19 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.0 13 7.0 28 17.0 9 7.8 28 54.0 1966 14.0 31 28.0 1 12.0 14 18.0 3 12.0 6 0.0 ** 0.0 ** ***** ** 0.0 ** 0.0 ** 19.0 14 0.0 ** ***** 1967 14.0 18 22.0 2 12.0 17 5.0 4 10.5 2 3.0 19 0.0 ** 0.0 ** 0.0 ** 2.0 13 19.0 19 7.0 6 22.0 1968 6.0 13 15.0 21 18.0 6 29.0 2 14.5 29 0.0 ** 5.2 12 0.0 ** 0.0 ** 17.0 30 13.4 14 25.0 31 29.0 1969 29.0 28 37.0 15 17.5 20 36.0 17 11.0 7 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 13.0 2 17.0 27 37.0 1970 27.2 12 16.0 6 29.0 19 29.5 30 14.0 1 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 1.0 7 40.0 12 40.0 1971 16.0 12 16.5 11 16.0 22 11.0 9 3.0 3 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 11.0 19 13.0 8 16.5 1972 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1973 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1974 ***** ** ***** ** 3.0 17 18.0 22 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 4.0 11 7.4 28 21.0 4 ***** 1975 23.0 4 13.0 25 13.0 1 24.0 17 14.0 11 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 21.0 10 44.0 21 44.0 1976 24.0 21 30.0 27 14.0 26 20.0 5 18.0 15 0.0 ** 9.0 24 0.0 ** 0.0 ** 32.0 30 14.0 30 18.0 10 32.0 1977 10.0 12 10.0 18 32.0 31 19.0 6 7.0 24 0.0 ** 0.0 ** 0.0 ** 0.0 ** 21.0 18 40.0 13 35.0 15 40.0 1978 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1979 18.0 18 20.0 9 27.5 27 7.0 13 32.5 8 0.0 ** 0.0 ** 4.0 24 0.0 ** 0.0 ** 0.0 ** 18.0 24 32.5 1980 9.0 6 84.0 25 22.0 15 22.0 15 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.0 7 ***** ** ***** 1981 54.0 12 28.0 11 15.0 28 25.0 17 3.0 5 5.0 22 0.0 ** 0.0 ** 0.0 ** 0.0 ** 27.0 5 5.0 29 54.0 1982 19.0 29 10.2 21 16.0 19 6.0 8 5.0 23 0.0 ** 0.0 ** 0.0 ** 0.0 ** 13.0 28 22.0 10 ***** ** ***** 1983 ***** ** ***** ** 16.0 5 13.0 1 7.0 2 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** ***** ** ***** ** ***** 1984 21.0 17 10.0 24 18.0 14 8.0 25 14.0 10 0.0 ** 0.0 ** 0.0 ** 0.0 ** 4.0 17 20.0 11 ***** ** ***** 1985 ***** ** ***** ** ***** ** 3.0 4 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 20.0 12 52.0 18 ***** 1986 4.0 28 ***** ** 20.0 26 41.0 3 50.7 4 0.0 ** 0.0 ** 0.0 ** 0.0 ** ***** ** 79.0 30 ***** ** ***** 1987 12.0 7 13.0 28 22.0 4 19.0 4 4.0 6 0.0 ** 10.0 29 3.0 10 0.0 ** 28.0 24 32.0 3 33.0 26 33.0 1988 17.0 17 16.0 16 15.0 4 9.0 25 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.0 1 0.0 ** 21.0 14 9.0 25 21.0 1989 19.0 29 ***** ** 14.0 14 19.0 24 14.0 8 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.0 31 14.0 7 84.0 4 ***** 1990 44.0 5 26.5 5 35.0 14 16.0 3 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** ***** ** ***** ** ***** 1991 ***** ** 7.0 14 45.5 15 11.0 4 0.0 ** 0.5 25 0.0 ** 0.0 ** 0.5 29 19.5 16 3.0 16 48.0 4 ***** 1992 17.5 31 27.0 25 20.5 31 13.5 27 30.5 30 ***** ** ***** ** ***** ** ***** ** 0.0 ** 4.5 26 9.5 9 ***** 1993 36.5 8 52.0 3 18.5 19 9.5 9 20.5 6 0.0 ** 0.0 ** 4.0 27 0.0 ** 1.0 26 42.5 12 0.0 ** 52.0 1994 26.0 24 35.5 1 29.0 12 7.5 1 0.0 ** 0.0 ** 1.5 11 0.0 ** 0.0 ** 7.0 9 55.0 17 10.0 3 55.0 1995 4.0 13 15.0 6 12.0 21 13.0 22 13.0 30 0.0 ** 0.0 ** 0.0 ** 2.0 21 0.0 ** 0.0 ** 18.0 12 18.0 1996 25.0 6 14.0 19 25.0 23 20.0 14 9.5 12 0.0 ** 1.0 6 10.5 30 0.0 ** 3.5 15 1.5 28 13.5 23 25.0 1997 23.0 16 1.5 19 28.0 29 10.5 16 7.0 5 7.5 1 0.0 ** 0.0 ** 0.0 ** 1.5 21 13.0 5 21.0 21 28.0 1998 12.5 5 21.5 9 51.0 30 2.0 29 21.0 14 0.0 ** 0.0 ** 5.5 7 4.0 16 8.0 12 0.0 ** 15.0 3 51.0 1999 10.5 25 18.5 21 19.0 13 3.5 22 0.0 ** 0.0 ** 1.0 28 0.0 ** 0.0 ** 0.0 ** 4.0 2 20.0 2 20.0 2000 27.0 28 9.5 25 19.5 25 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 4.5 17 10.5 6 18.0 2 27.0 2001 17.0 27 4.0 19 23.0 25 0.0 ** 21.5 3 1.6 16 0.0 ** 0.8 12 0.0 ** 2.5 29 19.6 18 36.5 5 36.5 2002 50.0 8 8.0 14 19.6 28 23.0 20 1.4 3 0.0 ** 0.3 30 0.0 ** 0.0 ** 0.9 22 19.0 13 32.6 10 50.0 2003 31.0 28 20.5 14 22.5 26 14.0 20 4.5 8 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 3.6 29 18.8 28 31.0 HIG. 54.0 19 84.0 25 51.0 30 41.0 3 50.7 4 7.5 1 10.0 29 10.5 30 4.0 16 32.0 30 79.0 30 84.0 4 84.0 YEAR 1965 1980 1998 1986 1986 1997 1987 1996 1998 1976 1986 1989 1980 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 11 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 MET. MONTHLY TOTAL PRECIPITATION WITH SEASONAL PERCENT. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL SEASONAL-PERCENT ----------------------- 1964 47.0 17.0 21.0 24.0 9.3 0.0 0.0 0.0 0.0 0.0 10.0 54.0 182.3 46.6 18.3 0.0 35.1 1965 151.0 47.0 49.0 9.0 0.0 0.0 0.0 0.0 2.0 13.0 21.0 17.8 309.8 79.7 2.9 0.6 16.7 1966 30.0 81.5 44.5 20.0 12.0 0.0 0.0 ****** 0.0 0.0 43.0 0.0 ****** 67.5 13.9 0.0 18.6 1967 25.0 34.0 61.9 10.0 37.0 8.5 0.0 0.0 0.0 2.0 57.0 9.0 244.4 49.5 22.7 0.0 27.8 1968 37.0 34.0 70.0 133.8 21.9 0.0 5.2 0.0 0.0 35.0 31.4 62.7 431.0 32.7 36.1 1.2 30.0 1969 105.0 136.0 63.5 107.5 25.0 0.0 0.0 0.0 0.0 0.0 18.0 42.0 497.0 61.3 26.7 0.0 12.1 1970 48.7 36.0 41.0 66.0 27.0 0.0 0.0 0.0 0.0 0.0 1.0 100.0 319.7 39.3 29.1 0.0 31.6 1971 32.0 37.5 50.0 52.0 8.5 0.0 0.0 0.0 0.0 0.0 48.0 53.0 281.0 42.5 21.5 0.0 35.9 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1974 ****** ****** 6.4 37.0 0.0 0.0 0.0 0.0 0.0 4.0 17.4 71.4 ****** 4.7 27.2 0.0 68.1 1975 60.0 35.4 35.0 65.0 44.0 0.0 0.0 0.0 0.0 0.0 49.0 132.0 420.4 31.0 25.9 0.0 43.1 1976 94.0 112.0 69.0 44.0 38.0 0.0 16.0 0.0 0.0 93.0 40.0 43.0 549.0 50.1 14.9 2.9 32.1 1977 47.0 18.0 79.0 67.0 7.0 0.0 0.0 0.0 0.0 48.0 77.0 100.0 443.0 32.5 16.7 0.0 50.8 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1979 39.0 48.0 40.5 7.0 89.5 0.0 0.0 7.0 0.0 0.0 0.0 79.0 310.0 41.1 31.1 2.3 25.5 1980 9.0 168.2 60.0 47.0 0.0 0.0 0.0 0.0 0.0 0.0 4.0 ****** ****** 82.3 16.3 0.0 1.4 1981 108.6 51.0 31.0 41.0 3.0 5.0 0.0 0.0 0.0 0.0 68.0 17.0 324.6 58.7 15.1 0.0 26.2 1982 49.0 24.7 74.8 6.0 14.8 0.0 0.0 0.0 0.0 42.0 35.0 ****** ****** 60.3 8.4 0.0 31.3 1983 ****** ****** 42.2 33.0 7.5 0.0 0.0 0.0 0.0 0.0 ****** ****** ****** 51.0 49.0 0.0 0.0 1984 54.0 28.0 104.2 15.0 28.0 0.0 0.0 0.0 0.0 4.0 41.0 ****** ****** 67.9 15.7 0.0 16.4 1985 ****** ****** ****** 5.0 0.0 0.0 0.0 0.0 0.0 0.0 22.0 108.0 ****** ***** 3.7 0.0 96.3 1986 7.0 ****** 77.0 85.0 78.7 0.0 0.0 0.0 0.0 ****** 210.0 ****** ****** 18.4 35.8 0.0 45.9 1987 28.0 38.0 74.0 36.0 7.0 0.0 30.0 7.0 0.0 64.0 32.0 117.0 433.0 32.3 9.9 8.5 49.2 1988 54.0 51.0 53.4 31.0 0.0 0.0 0.0 0.0 2.0 0.0 68.0 28.0 287.4 55.1 10.8 0.7 33.4 1989 48.2 ****** 61.0 34.0 14.0 0.0 0.0 0.0 0.0 2.0 49.0 123.0 ****** 33.0 14.5 0.0 52.5 1990 79.0 48.5 54.0 21.0 0.0 0.0 0.0 0.0 0.0 0.0 ****** ****** ****** 89.6 10.4 0.0 0.0 1991 ****** 20.5 74.5 21.5 0.0 0.5 0.0 0.0 0.5 31.0 5.5 189.0 ****** 27.7 6.4 0.1 65.7 1992 69.5 54.5 37.5 48.0 69.0 ****** ****** ****** ****** 0.0 6.0 35.5 ****** 50.5 36.6 ***** 13.0 1993 68.0 112.5 84.5 12.5 45.5 0.0 0.0 4.0 0.0 2.0 75.0 0.0 404.0 65.6 14.4 1.0 19.1 1994 62.5 59.0 70.0 18.7 0.0 0.0 1.5 0.0 0.0 17.0 182.0 32.0 442.7 43.3 4.2 0.3 52.2 1995 8.5 41.5 31.0 38.5 44.5 0.0 0.0 0.0 2.0 0.0 0.0 33.0 199.0 40.7 41.7 1.0 16.6 1996 61.0 42.0 139.0 41.0 14.5 0.0 1.0 14.0 0.0 3.5 2.0 45.0 363.0 66.7 15.3 4.1 13.9 1997 38.0 1.5 97.0 47.0 12.0 7.5 0.0 0.0 0.0 3.5 43.0 51.5 301.0 45.3 22.1 0.0 32.6 1998 36.0 92.0 88.0 2.5 24.0 0.0 0.0 5.5 4.0 18.0 0.0 24.5 294.5 73.3 9.0 3.2 14.4 1999 33.5 60.5 48.0 10.0 0.0 0.0 1.5 0.0 0.0 0.0 11.0 40.0 204.5 69.4 4.9 0.7 24.9 2000 69.5 25.5 24.0 0.0 0.0 0.0 0.0 0.0 0.0 7.0 37.5 63.1 226.6 52.5 0.0 0.0 47.5 2001 29.4 14.0 47.6 0.0 25.0 1.6 0.0 1.0 0.0 3.3 33.7 123.6 279.2 32.6 9.5 0.4 57.5 2002 100.0 27.0 47.2 67.4 1.8 0.0 0.4 0.0 0.0 0.9 52.1 92.4 389.2 44.8 17.8 0.1 37.4 2003 53.6 71.5 63.0 69.5 4.5 0.0 0.0 0.0 0.0 0.0 5.1 49.6 316.8 59.4 23.4 0.0 17.3 MEAN 54.0 52.1 58.7 37.1 19.3 0.6 1.5 1.1 0.3 10.9 39.8 62.5 337.9 48.8 16.9 0.8 33.5 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 12 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 MET. NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 3 3 3 2 1 0 0 0 0 0 1 2 15 1965 7 3 4 2 0 0 0 0 1 2 2 3 24 1966 3 7 8 2 1 0 0 *** 0 0 4 0 *** 1967 2 4 10 3 7 4 0 0 0 1 5 2 38 1968 8 6 7 12 3 0 1 0 0 5 4 10 56 1969 9 10 7 8 4 0 0 0 0 0 2 4 44 1970 4 3 4 4 3 0 0 0 0 0 1 4 23 1971 4 3 8 10 3 0 0 0 0 0 6 7 41 1972 *** *** *** *** *** *** *** *** *** *** *** *** *** 1973 *** *** *** *** *** *** *** *** *** *** *** *** *** 1974 *** *** 3 3 0 0 0 0 0 1 3 7 *** 1975 5 5 5 5 5 0 0 0 0 0 4 11 40 1976 9 9 8 4 4 0 2 0 0 6 4 4 50 1977 8 3 5 6 1 0 0 0 0 6 5 5 39 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 3 3 4 1 5 0 0 2 0 0 0 8 26 1980 1 7 7 3 0 0 0 0 0 0 2 *** *** 1981 8 5 3 4 1 1 0 0 0 0 4 4 30 1982 5 4 11 1 5 0 0 0 0 6 4 *** *** 1983 *** *** 7 6 2 0 0 0 0 0 *** *** *** 1984 4 5 11 2 3 0 0 0 0 1 5 *** *** 1985 *** *** *** 2 0 0 0 0 0 0 2 8 *** 1986 2 *** 8 10 5 0 0 0 0 *** 12 *** *** 1987 4 5 9 4 2 0 6 3 0 6 1 8 48 1988 9 9 7 7 0 0 0 0 1 0 4 5 42 1989 7 *** 8 6 1 0 0 0 0 1 8 7 *** 1990 6 5 7 3 0 0 0 0 0 0 *** *** *** 1991 *** 5 6 6 1 1 0 0 1 4 2 12 *** 1992 9 6 4 8 6 *** *** *** *** 0 3 10 *** 1993 7 7 9 2 6 0 0 1 0 2 6 0 40 1994 5 4 7 7 0 0 1 0 0 5 11 6 46 1995 3 3 5 7 8 0 0 0 1 0 0 5 32 1996 7 7 10 5 5 0 1 2 0 1 2 6 46 1997 2 1 14 9 2 1 0 0 0 3 5 5 42 1998 8 7 8 2 2 0 0 1 1 4 0 3 36 1999 8 8 5 4 0 0 2 0 0 0 5 4 36 2000 6 4 3 0 0 0 0 0 0 5 8 8 34 2001 6 5 3 0 3 1 0 2 0 3 4 11 38 2002 5 4 6 7 2 0 2 0 0 1 7 8 42 2003 7 7 6 7 1 0 0 0 0 0 2 10 40 MEAN 6 5 7 5 2 0 0 0 0 2 4 6 37 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 13 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 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 1964 3 3 3 2 1 0 0 0 0 0 1 2 15 1965 7 3 4 2 0 0 0 0 1 2 2 3 24 1966 3 7 8 2 1 0 0 *** 0 0 4 0 *** 1967 2 4 10 3 7 4 0 0 0 1 5 2 38 1968 8 6 7 12 3 0 1 0 0 5 4 10 56 1969 9 10 7 8 4 0 0 0 0 0 2 4 44 1970 4 3 4 4 3 0 0 0 0 0 1 4 23 1971 4 3 8 10 3 0 0 0 0 0 6 7 41 1972 *** *** *** *** *** *** *** *** *** *** *** *** *** 1973 *** *** *** *** *** *** *** *** *** *** *** *** *** 1974 *** *** 3 3 0 0 0 0 0 1 3 7 *** 1975 5 5 5 5 5 0 0 0 0 0 4 11 40 1976 9 9 8 4 4 0 2 0 0 6 4 4 50 1977 8 3 5 6 1 0 0 0 0 6 5 5 39 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 3 3 4 1 5 0 0 2 0 0 0 8 26 1980 1 7 7 3 0 0 0 0 0 0 2 *** *** 1981 8 5 3 4 1 1 0 0 0 0 4 4 30 1982 5 4 11 1 5 0 0 0 0 6 4 *** *** 1983 *** *** 6 6 1 0 0 0 0 0 *** *** *** 1984 4 5 11 2 3 0 0 0 0 1 5 *** *** 1985 *** *** *** 2 0 0 0 0 0 0 2 8 *** 1986 2 *** 8 10 5 0 0 0 0 *** 12 *** *** 1987 4 5 9 4 2 0 6 3 0 6 1 8 48 1988 9 9 7 7 0 0 0 0 1 0 4 5 42 1989 7 *** 8 6 1 0 0 0 0 1 8 7 *** 1990 6 5 7 3 0 0 0 0 0 0 *** *** *** 1991 *** 5 6 6 0 0 0 0 0 4 2 12 *** 1992 8 5 4 8 6 *** *** *** *** 0 2 8 *** 1993 6 7 9 2 6 0 0 1 0 2 5 0 38 1994 5 3 6 5 0 0 1 0 0 5 11 6 42 1995 3 3 5 7 8 0 0 0 1 0 0 5 32 1996 7 7 10 5 4 0 1 2 0 1 1 6 44 1997 2 1 12 7 2 1 0 0 0 3 5 5 38 1998 8 7 6 1 2 0 0 1 1 4 0 3 33 1999 8 8 4 4 0 0 1 0 0 0 3 4 32 2000 6 4 3 0 0 0 0 0 0 2 7 8 30 2001 6 5 3 0 3 1 0 0 0 1 3 11 33 2002 5 4 5 6 1 0 0 0 0 0 5 7 33 2003 6 7 6 7 1 0 0 0 0 0 2 7 36 MEAN 5 5 6 5 2 0 0 0 0 2 4 6 35 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 14 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 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 1964 2 1 1 2 0 0 0 0 0 0 1 1 8 1965 3 3 3 0 0 0 0 0 0 0 1 0 10 1966 2 3 2 1 1 0 0 *** 0 0 2 0 *** 1967 2 1 2 0 1 0 0 0 0 0 3 0 9 1968 0 1 3 5 1 0 0 0 0 1 1 1 13 1969 5 4 3 4 1 0 0 0 0 0 1 2 20 1970 2 2 1 3 2 0 0 0 0 0 0 4 14 1971 1 2 2 2 0 0 0 0 0 0 1 4 12 1972 *** *** *** *** *** *** *** *** *** *** *** *** *** 1973 *** *** *** *** *** *** *** *** *** *** *** *** *** 1974 *** *** 0 2 0 0 0 0 0 0 0 4 *** 1975 3 2 2 3 3 0 0 0 0 0 2 5 20 1976 5 6 3 2 1 0 0 0 0 3 2 2 24 1977 1 1 2 3 0 0 0 0 0 2 3 4 16 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 2 3 1 0 5 0 0 0 0 0 0 4 15 1980 0 4 2 3 0 0 0 0 0 0 0 *** *** 1981 3 2 2 1 0 0 0 0 0 0 3 0 11 1982 2 1 3 0 0 0 0 0 0 2 1 *** *** 1983 *** *** 2 1 0 0 0 0 0 0 *** *** *** 1984 3 1 4 0 2 0 0 0 0 0 1 *** *** 1985 *** *** *** 0 0 0 0 0 0 0 1 3 *** 1986 0 *** 3 2 2 0 0 0 0 *** 4 *** *** 1987 1 2 3 1 0 0 1 0 0 2 1 4 15 1988 2 1 3 0 0 0 0 0 0 0 4 0 10 1989 2 *** 2 1 1 0 0 0 0 0 2 3 *** 1990 2 2 1 1 0 0 0 0 0 0 *** *** *** 1991 *** 0 2 1 0 0 0 0 0 1 0 7 *** 1992 3 2 2 3 2 *** *** *** *** 0 0 0 *** 1993 2 2 3 0 2 0 0 0 0 0 3 0 12 1994 3 2 2 0 0 0 0 0 0 0 8 2 17 1995 0 3 1 1 2 0 0 0 0 0 0 1 8 1996 2 1 7 2 0 0 0 1 0 0 0 1 14 1997 2 0 3 1 0 0 0 0 0 0 3 2 11 1998 1 4 3 0 1 0 0 0 0 0 0 1 10 1999 1 3 2 0 0 0 0 0 0 0 0 2 8 2000 3 0 1 0 0 0 0 0 0 0 1 4 9 2001 1 0 2 0 1 0 0 0 0 0 2 5 11 2002 3 0 3 3 0 0 0 0 0 0 2 2 13 2003 1 4 3 4 0 0 0 0 0 0 0 1 13 MEAN 2 2 2 1 1 0 0 0 0 0 2 2 12 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 15 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 49 75 72 74 67 46 34 39 38 64 77 59 58 1965 47 67 69 70 47 29 25 30 35 55 76 69 52 1966 76 78 77 77 55 37 29 *** 27 36 50 77 *** 1967 67 62 63 73 66 41 40 29 37 61 80 69 57 1968 71 79 80 85 82 69 63 62 85 58 77 80 74 1969 69 72 86 84 60 63 50 34 34 48 76 72 62 1970 69 70 73 84 72 34 26 24 39 61 78 63 58 1971 71 79 83 77 71 35 26 26 43 51 77 61 58 1972 *** *** *** *** *** *** *** *** *** *** *** *** *** 1973 *** *** *** *** *** *** *** *** *** *** *** *** *** 1974 *** *** 81 75 43 35 37 41 66 81 75 81 *** 1975 46 34 51 74 59 40 33 33 39 60 79 79 52 1976 81 82 83 79 67 47 28 30 37 58 75 73 62 1977 79 75 73 65 51 42 44 56 60 68 76 82 64 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 83 79 73 61 62 45 40 42 54 67 73 80 63 1980 79 81 75 61 55 46 40 38 47 56 69 *** *** 1981 81 78 73 55 52 48 42 44 59 59 63 71 60 1982 77 75 70 60 52 43 40 46 50 75 80 *** *** 1983 *** *** 72 63 61 48 48 54 60 57 *** *** *** 1984 71 70 72 52 54 53 58 52 60 64 68 *** *** 1985 *** *** *** 61 52 57 57 54 60 60 65 80 *** 1986 76 *** 69 66 61 59 49 47 69 *** 73 *** *** 1987 76 70 68 59 52 40 41 45 49 68 64 69 58 1988 75 75 66 57 51 44 47 47 53 61 68 77 60 1989 79 *** 71 63 53 47 47 46 59 59 69 70 *** 1990 81 75 71 60 55 46 55 39 51 48 *** *** *** 1991 *** 69 68 66 59 61 59 44 54 81 83 81 *** 1992 72 76 75 76 80 *** *** *** *** 86 86 82 *** 1993 79 74 68 64 57 50 75 81 82 82 76 72 72 1994 71 69 76 64 73 65 74 76 76 86 76 71 73 1995 70 73 68 65 72 69 72 73 74 79 66 71 71 1996 60 67 81 70 80 74 79 77 79 76 76 78 75 1997 74 71 80 75 80 80 81 82 75 83 89 76 79 1998 65 69 72 64 69 70 75 78 75 80 81 87 74 1999 83 84 88 79 74 69 74 73 69 64 74 80 76 2000 80 80 82 69 65 70 69 71 69 75 84 78 74 2001 71 73 66 62 61 64 68 73 73 71 74 77 69 2002 71 78 73 72 74 83 86 84 79 79 83 78 78 2003 83 80 73 68 67 68 71 66 69 80 70 74 72 MEAN 72 73 73 68 62 53 52 52 58 67 74 75 65 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 16 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 *** 41 37 31 40 35 37 35 31 23 24 51 *** 1965 63 60 47 34 24 19 22 28 20 20 25 33 33 1966 39 45 36 32 25 19 30 *** 27 31 27 24 *** 1967 28 56 40 33 27 26 34 37 40 28 34 49 36 1968 54 39 35 30 22 19 31 37 38 34 22 37 33 1969 77 79 *** *** 23 27 40 31 21 23 26 *** *** 1970 48 42 29 25 19 19 27 20 21 23 28 58 30 1971 49 26 30 30 20 27 27 22 20 20 31 48 29 1972 *** *** *** *** *** *** *** *** *** *** *** *** *** 1973 *** *** *** *** *** *** *** *** *** *** *** *** *** 1974 *** *** 32 26 18 19 16 20 30 39 58 58 *** 1975 47 64 49 43 30 22 24 27 25 30 34 55 38 1976 64 59 56 42 33 25 20 28 22 32 44 45 39 1977 63 59 37 31 21 20 16 25 22 32 50 57 36 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 49 44 40 31 32 21 15 17 18 25 29 46 31 1980 49 56 46 33 25 21 17 18 20 23 77 *** *** 1981 55 50 39 34 26 22 20 20 21 27 33 40 32 1982 50 47 44 29 27 20 18 17 21 39 49 *** *** 1983 *** *** 58 35 28 20 21 19 21 24 *** *** *** 1984 47 46 46 27 26 20 20 18 20 28 37 *** *** 1985 *** *** *** 28 24 22 21 20 23 26 32 50 *** 1986 43 *** 45 37 33 22 22 25 26 *** 49 *** *** 1987 44 41 44 32 25 23 25 22 24 36 38 49 34 1988 53 58 45 31 20 21 23 22 22 23 37 41 33 1989 60 *** 44 33 26 18 17 18 27 24 42 48 *** 1990 55 50 42 29 24 20 19 19 20 23 *** *** *** 1991 *** 64 52 28 21 23 23 18 28 48 42 53 *** 1992 56 46 48 60 59 *** *** *** *** 67 69 52 *** 1993 61 47 45 34 34 28 43 44 41 38 39 39 41 1994 53 42 46 37 34 26 32 35 40 56 65 57 44 1995 39 36 32 25 38 39 29 38 32 33 30 65 36 1996 52 54 75 57 41 34 39 36 32 40 38 38 45 1997 40 25 42 42 37 39 40 41 35 40 56 52 41 1998 49 46 48 37 45 44 40 34 32 34 25 32 39 1999 53 42 40 37 34 42 42 40 34 38 36 43 40 2000 48 45 32 27 22 31 30 32 31 47 55 54 38 2001 48 49 38 30 30 29 24 25 27 35 34 49 35 2002 52 39 28 31 28 24 24 23 26 26 43 48 33 2003 42 36 32 38 37 26 26 25 27 32 40 55 35 MEAN 51 48 42 34 29 25 27 27 27 32 40 48 36 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 17 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 60 77 75 71 68 48 37 36 39 55 70 60 58 1965 65 71 68 65 37 24 27 30 30 43 73 79 51 1966 78 82 74 66 51 33 25 *** 24 31 42 69 *** 1967 78 71 75 75 67 39 38 28 33 48 72 69 58 1968 80 80 81 88 78 66 66 65 82 48 55 79 72 1969 79 79 85 81 55 62 42 30 31 42 83 77 62 1970 72 77 78 84 56 29 25 23 31 50 74 68 56 1971 70 79 81 74 66 35 25 25 35 41 81 75 57 1972 *** *** *** *** *** *** *** *** *** *** *** *** *** 1973 *** *** *** *** *** *** *** *** *** *** *** *** *** 1974 *** *** 64 49 24 23 26 24 35 40 66 64 *** 1975 *** 60 75 63 41 27 47 35 33 49 67 77 *** 1976 83 67 60 70 58 43 33 34 32 47 62 65 55 1977 69 68 42 35 25 20 21 27 25 35 60 67 41 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 55 53 50 39 41 23 19 20 22 29 36 56 37 1980 53 64 52 35 31 23 21 20 25 28 76 *** *** 1981 56 59 47 38 33 23 22 23 24 33 38 46 37 1982 54 50 48 32 32 23 21 20 23 49 66 *** *** 1983 *** *** 69 43 33 23 22 22 25 29 *** *** *** 1984 60 57 59 35 33 24 23 21 24 35 51 *** *** 1985 *** *** *** 33 27 24 23 24 26 33 40 59 *** 1986 51 *** 56 48 38 26 24 27 27 *** 56 *** *** 1987 54 49 48 38 31 24 33 24 26 43 42 52 39 1988 57 63 50 38 25 23 25 24 24 27 41 46 37 1989 62 *** 48 39 30 22 21 22 29 29 53 62 *** 1990 63 61 53 39 26 23 21 17 22 27 *** *** *** 1991 *** 72 67 32 21 25 22 18 29 70 60 74 *** 1992 71 63 61 69 65 *** *** *** *** 81 79 65 *** 1993 73 66 52 41 41 37 42 50 54 54 52 50 51 1994 58 56 57 50 48 38 32 44 43 54 76 66 52 1995 60 57 48 38 50 46 49 48 51 67 62 61 53 1996 45 56 74 61 45 35 39 41 37 50 50 58 49 1997 58 53 54 46 38 41 39 41 36 51 71 71 50 1998 72 62 56 40 52 48 40 37 36 44 30 45 47 1999 63 52 46 42 40 44 44 42 36 44 44 56 46 2000 66 60 38 29 23 31 30 34 31 56 63 65 44 2001 58 54 41 29 29 29 27 30 28 40 41 59 39 2002 60 45 34 35 25 27 26 26 29 35 54 58 38 2003 56 43 37 36 41 27 27 24 27 33 44 66 38 MEAN 64 63 58 49 41 32 31 30 32 44 58 63 47 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 18 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 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 1964 31 17 20 0 0 0 0 0 0 0 6 29 103 1965 30 22 16 4 0 0 0 0 0 0 6 27 105 1966 27 16 10 0 0 0 0 *** 0 0 0 12 *** 1967 28 27 28 6 0 0 0 0 0 0 9 31 129 1968 27 20 9 0 0 0 0 0 0 0 0 15 71 1969 21 26 3 0 0 0 0 0 0 0 19 28 97 1970 29 18 17 1 0 0 0 0 0 0 2 28 95 1971 29 8 2 0 0 0 0 0 0 0 15 28 82 1972 *** *** *** *** *** *** *** *** *** *** *** *** *** 1973 *** *** *** *** *** *** *** *** *** *** *** *** *** 1974 *** *** 6 0 0 0 0 0 0 5 12 12 *** 1975 26 23 22 0 0 0 0 0 0 3 6 6 86 1976 13 3 1 1 0 0 0 0 0 0 6 16 40 1977 28 18 0 0 0 0 0 0 0 0 3 16 65 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 14 3 4 0 0 0 0 0 0 0 15 17 53 1980 25 19 2 0 0 0 0 0 0 0 0 *** *** 1981 21 22 2 0 0 0 0 0 0 0 4 15 64 1982 25 27 13 0 0 0 0 0 0 0 5 *** *** 1983 *** *** 10 0 0 0 0 0 0 0 *** *** *** 1984 29 19 6 0 0 0 0 0 0 2 0 *** *** 1985 *** *** *** 0 0 0 0 0 0 0 1 15 *** 1986 28 *** 0 0 0 0 0 0 0 *** 1 *** *** 1987 27 6 0 0 0 0 0 0 0 0 6 16 55 1988 25 23 10 0 0 0 0 0 0 0 8 11 77 1989 31 *** 8 2 0 0 0 0 0 0 0 17 *** 1990 24 22 4 0 0 0 0 0 0 0 *** *** *** 1991 *** 24 13 0 0 0 0 0 0 0 0 12 *** 1992 21 17 4 0 0 *** *** *** *** 0 1 5 *** 1993 18 11 1 0 0 0 0 0 0 0 1 1 32 1994 14 17 2 0 0 0 0 0 0 0 5 20 58 1995 21 14 6 0 0 0 0 0 0 0 4 19 64 1996 22 14 1 0 0 0 0 0 0 0 3 8 48 1997 12 17 3 2 0 0 0 0 0 0 0 14 48 1998 20 12 1 0 0 0 0 0 0 0 0 0 33 1999 7 7 0 0 0 0 0 0 0 0 1 4 19 2000 13 18 7 0 0 0 0 0 0 0 0 7 45 2001 18 8 0 0 0 0 0 0 0 0 1 1 28 2002 17 6 0 0 0 0 0 0 0 0 1 8 32 2003 12 6 3 0 0 0 0 0 0 0 12 8 41 MEAN 22 16 7 0 0 0 0 0 0 0 4 14 63 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 19 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 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 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 *** 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1973 *** *** *** *** *** *** *** *** *** *** *** *** *** 1974 *** *** 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 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 *** *** 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 *** *** *** 1984 0 0 0 0 0 0 0 0 0 0 0 *** *** 1985 *** *** *** 0 0 0 0 0 0 0 0 0 *** 1986 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 *** 1990 0 0 0 0 0 0 0 0 0 0 *** *** *** 1991 *** 0 0 0 0 0 0 0 0 0 0 0 *** 1992 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 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 0 0 0 0 0 0 0 0 0 0 0 0 0 2003 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 20 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 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 1964 0 *** 0 0 0 0 0 0 0 0 0 *** *** 1965 *** *** 0 0 0 0 0 0 0 0 0 0 *** 1966 0 0 0 0 0 0 0 *** 0 0 0 0 *** 1967 0 0 0 0 0 0 0 0 0 0 0 0 0 1968 0 0 0 0 0 0 0 0 0 *** 0 0 *** 1969 *** *** *** *** 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 *** 1972 *** *** *** *** *** *** *** *** *** *** *** *** *** 1973 *** *** *** *** *** *** *** *** *** *** *** *** *** 1974 *** *** 0 0 0 0 0 0 0 0 0 0 *** 1975 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 2 0 0 0 0 0 0 0 0 0 0 0 2 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 0 0 0 0 0 0 0 0 0 0 0 1 1 1980 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 5 2 0 0 0 0 0 0 0 0 0 *** *** 1983 *** *** 0 0 0 0 0 0 0 0 *** *** *** 1984 4 1 0 0 0 0 0 0 0 0 0 *** *** 1985 *** *** *** 0 0 0 0 0 0 0 0 0 *** 1986 1 *** 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 1 1 1989 4 *** 0 0 0 0 0 0 0 0 0 0 *** 1990 0 0 0 0 0 0 0 0 0 0 *** *** *** 1991 *** 1 0 0 0 0 0 0 0 0 0 0 *** 1992 6 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 4 0 0 0 0 0 0 0 0 0 0 0 4 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 1 0 0 0 0 0 0 0 0 0 0 0 1 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 2001 1 0 0 0 0 0 0 0 0 0 0 0 1 2002 0 0 0 0 0 0 0 0 0 0 0 0 0 2003 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 POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 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 1964 0 *** 0 8 29 30 31 31 30 21 11 *** *** 1965 *** *** 5 14 18 30 31 31 30 21 0 0 *** 1966 0 0 0 0 7 30 31 *** 30 31 12 0 *** 1967 0 0 0 0 12 30 31 31 30 14 4 0 152 1968 0 0 0 0 8 30 31 31 30 *** 3 0 *** 1969 *** *** *** *** 9 29 30 27 13 0 0 *** *** 1970 0 0 0 0 16 30 31 31 30 11 0 0 149 1971 0 *** *** 28 31 30 31 31 30 24 0 0 *** 1972 *** *** *** *** *** *** *** *** *** *** *** *** *** 1973 *** *** *** *** *** *** *** *** *** *** *** *** *** 1974 *** *** 0 0 31 30 31 31 0 0 0 0 *** 1975 0 *** 0 0 6 24 31 29 2 0 0 0 *** 1976 0 0 0 0 0 2 31 31 15 0 0 0 79 1977 0 0 0 0 0 19 31 29 6 0 0 0 85 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 0 0 0 0 0 19 31 31 23 1 0 0 105 1980 0 0 0 0 0 24 31 30 16 0 *** *** *** 1981 0 0 0 0 0 15 26 27 9 0 0 0 77 1982 0 0 0 0 0 26 31 31 15 0 0 *** *** 1983 *** *** 0 0 0 23 31 29 15 1 *** *** *** 1984 0 0 0 0 0 25 31 31 15 0 0 *** *** 1985 *** *** *** 0 3 23 31 13 9 0 0 0 *** 1986 0 *** 0 0 0 11 28 25 4 *** 0 *** *** 1987 0 0 0 0 0 27 24 29 21 2 0 0 103 1988 0 0 0 0 11 27 29 28 1 2 0 0 98 1989 0 *** 0 0 3 26 31 31 16 0 0 0 *** 1990 0 0 0 0 12 29 31 31 24 3 *** *** *** 1991 *** 0 0 0 7 29 31 31 25 0 0 0 *** 1992 0 0 0 0 0 *** *** *** *** 0 0 0 *** 1993 0 0 0 0 0 18 28 20 12 0 0 0 78 1994 0 0 0 1 1 24 31 31 7 0 0 0 95 1995 0 0 0 0 0 13 31 31 19 0 0 0 94 1996 0 0 0 0 2 24 21 27 11 0 0 0 85 1997 0 0 0 0 1 14 30 31 8 0 0 0 84 1998 0 0 0 0 0 23 27 24 10 0 0 0 84 1999 0 0 0 0 4 29 28 30 21 0 0 0 112 2000 0 0 0 0 6 25 30 31 18 0 0 0 110 2001 0 0 0 0 5 22 29 28 8 0 0 0 92 2002 0 0 0 0 4 20 30 31 13 0 0 0 98 2003 0 0 0 0 0 18 31 30 4 0 0 0 83 MEAN 0 0 0 1 6 24 30 29 16 4 1 0 111 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 22 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 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 1964 0 *** 0 0 0 0 27 26 4 0 0 *** *** 1965 *** *** 0 0 0 0 0 1 0 0 0 0 *** 1966 0 0 0 0 0 0 0 *** 1 0 0 0 *** 1967 0 0 0 0 0 0 0 0 0 0 0 0 0 1968 0 0 0 0 0 0 0 0 0 *** 0 0 *** 1969 *** *** *** *** 0 0 0 0 0 0 0 *** *** 1970 0 0 0 0 0 6 6 13 0 0 0 0 25 1971 0 *** *** 0 0 0 16 9 0 0 0 0 *** 1972 *** *** *** *** *** *** *** *** *** *** *** *** *** 1973 *** *** *** *** *** *** *** *** *** *** *** *** *** 1974 *** *** 0 0 0 0 0 0 0 0 0 0 *** 1975 0 *** 0 0 0 0 3 2 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 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 *** *** *** 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 *** *** *** 1984 0 0 0 0 0 0 0 0 0 0 0 *** *** 1985 *** *** *** 0 0 0 0 0 0 0 0 0 *** 1986 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 *** 1990 0 0 0 0 0 0 0 0 0 0 *** *** *** 1991 *** 0 0 0 0 0 0 0 0 0 0 0 *** 1992 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 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 0 0 0 0 0 0 0 0 0 0 0 0 0 2003 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 1 1 0 0 0 0 2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 23 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 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 1964 0 *** 0 0 0 0 0 0 0 0 0 *** *** 1965 *** *** 0 0 0 0 0 0 0 0 0 0 *** 1966 0 0 0 0 0 0 0 *** 0 0 0 0 *** 1967 0 0 0 0 0 0 0 0 0 0 0 0 0 1968 0 0 0 0 0 0 0 0 0 *** 0 0 *** 1969 *** *** *** *** 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 *** 1972 *** *** *** *** *** *** *** *** *** *** *** *** *** 1973 *** *** *** *** *** *** *** *** *** *** *** *** *** 1974 *** *** 0 0 0 0 0 0 0 0 0 0 *** 1975 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 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 *** *** *** 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 *** *** *** 1984 0 0 0 0 0 0 0 0 0 0 0 *** *** 1985 *** *** *** 0 0 0 0 0 0 0 0 0 *** 1986 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 *** 1990 0 0 0 0 0 0 0 0 0 0 *** *** *** 1991 *** 0 0 0 0 0 0 0 0 0 0 0 *** 1992 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 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 0 0 0 0 0 0 0 0 0 0 0 0 0 2003 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 POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 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 -------------- 1964 31 22 22 3 0 0 0 0 0 0 12 29 119 11 8 4 13 1965 31 23 24 9 0 0 0 0 0 2 15 31 135 10 26 4 10 1966 29 21 21 0 0 0 0 *** 0 0 0 13 *** 12 19 3 26 1967 31 27 30 24 1 0 0 0 0 0 9 31 153 11 22 5 1 1968 27 25 18 0 0 0 0 0 0 0 0 16 86 12 16 3 28 1969 21 26 11 2 0 0 0 0 0 0 22 30 112 11 9 4 18 1970 30 26 27 3 0 0 0 0 0 0 5 28 119 11 18 4 3 1971 29 17 8 0 0 0 0 0 0 2 17 29 102 10 30 3 25 1972 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1973 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1974 *** *** 18 0 0 0 0 0 5 31 29 25 *** 9 18 3 23 1975 27 23 26 0 0 0 0 0 0 10 20 18 124 10 22 3 31 1976 17 9 8 9 0 0 0 0 0 0 13 20 76 11 15 4 21 1977 31 23 0 0 0 0 0 0 0 0 14 22 90 11 13 2 28 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1979 23 17 10 0 0 0 0 0 0 1 24 29 104 10 31 3 16 1980 31 29 10 0 0 0 0 0 0 0 0 *** *** 1 1 3 13 1981 30 24 12 2 0 0 0 0 0 1 21 31 121 10 31 4 3 1982 31 28 25 2 0 0 0 0 0 0 18 *** *** 11 12 4 2 1983 *** *** 21 0 0 0 0 0 0 9 *** *** *** 10 8 3 28 1984 30 28 10 0 0 0 0 0 0 10 9 *** *** 10 19 3 20 1985 *** *** *** 0 0 0 0 0 0 7 5 26 *** 10 21 12 31 1986 31 *** 20 0 0 0 0 0 0 *** 13 *** *** 11 12 3 28 1987 29 24 18 5 0 0 0 0 0 0 20 23 119 11 9 4 8 1988 29 28 19 5 0 0 0 0 0 0 16 28 125 11 15 4 5 1989 31 *** 13 7 0 0 0 0 0 0 10 22 *** 11 19 4 7 1990 30 27 22 5 0 0 0 0 0 0 *** *** *** 1 1 4 10 1991 *** 27 20 3 0 0 0 0 0 0 17 18 *** 11 8 4 14 1992 26 25 8 1 0 *** *** *** *** 0 8 20 *** 11 3 4 2 1993 24 15 9 0 0 0 0 0 0 1 8 24 81 10 9 3 25 1994 23 21 8 0 0 0 0 0 0 0 12 27 91 11 11 3 17 1995 30 23 15 1 0 0 0 0 0 1 10 31 111 10 21 4 8 1996 31 23 10 2 0 0 0 0 0 0 11 22 99 11 6 4 6 1997 26 23 12 2 0 0 0 0 0 0 6 27 96 11 18 4 13 1998 29 18 7 0 0 0 0 0 0 0 8 13 75 11 10 3 22 1999 24 20 13 1 0 0 0 0 0 0 14 23 95 11 4 4 11 2000 26 24 14 0 0 0 0 0 0 1 15 24 104 10 29 3 20 2001 28 23 3 0 0 0 0 0 0 0 12 11 77 11 3 3 13 2002 22 17 8 0 0 0 0 0 0 0 10 19 76 11 18 3 31 2003 28 17 11 0 0 0 0 0 0 0 23 20 99 11 4 3 30 MEAN 28 23 15 2 0 0 0 0 0 2 13 24 107 9 18 5 1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 25 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 MET. AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 -2.7 7.4 7.6 12.2 18.1 23.8 28.9 26.4 21.9 15.2 10.5 -2.5 13.9 1965 -1.9 2.2 6.2 10.2 17.4 25.4 27.7 26.6 22.8 17.0 10.0 5.9 14.1 1966 5.6 5.7 6.9 10.1 15.0 22.6 25.6 ****** 27.7 21.8 17.0 10.5 ****** 1967 6.5 0.3 3.7 7.5 12.3 19.3 26.7 25.7 21.3 16.2 9.4 2.1 12.6 1968 1.2 4.1 7.5 11.6 14.5 18.8 21.5 21.5 18.2 19.6 15.2 6.8 13.4 1969 -1.2 -1.9 ****** ****** 15.5 19.7 22.5 22.5 20.7 16.1 7.6 ****** ****** 1970 1.6 4.6 7.6 11.5 17.4 25.0 28.2 28.9 21.7 16.0 10.6 0.8 14.5 1971 1.8 10.2 11.8 15.7 17.1 24.3 29.6 27.0 19.9 17.5 7.8 0.9 15.3 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** 8.8 12.5 22.7 23.0 23.0 21.7 12.5 9.6 5.5 5.3 ****** 1975 -2.0 1.5 4.2 9.9 16.9 24.3 27.7 25.9 19.0 12.1 8.0 5.1 12.7 1976 4.0 6.2 6.7 7.9 11.4 15.7 24.2 26.0 19.8 14.2 7.6 5.8 12.5 1977 0.5 3.9 10.8 13.1 18.0 23.4 28.4 24.0 18.9 15.5 7.2 4.0 14.0 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 3.1 7.9 8.6 12.2 14.4 23.8 27.7 25.1 22.0 17.5 11.2 4.3 14.8 1980 1.9 2.8 5.9 13.0 17.3 23.7 26.2 25.4 22.0 17.5 12.9 ****** ****** 1981 1.3 2.7 7.0 12.2 16.5 22.3 24.9 23.8 19.5 13.7 8.7 5.1 13.1 1982 0.6 0.0 4.0 13.1 17.8 23.8 24.9 25.1 20.8 12.3 6.0 ****** ****** 1983 ****** ****** 4.3 11.6 17.2 22.9 25.8 24.8 20.2 14.6 ****** ****** ****** 1984 0.3 1.8 7.0 13.2 15.3 23.6 24.5 24.9 20.4 12.7 9.9 ****** ****** 1985 ****** ****** ****** 13.6 18.5 23.4 25.5 22.0 20.2 13.8 10.0 2.5 ****** 1986 2.3 ****** 5.9 11.8 15.9 21.7 24.1 22.7 19.5 ****** 7.6 ****** ****** 1987 2.6 6.1 7.0 12.8 19.1 24.2 23.4 23.9 22.1 13.1 8.9 5.3 14.0 1988 3.0 2.6 5.4 12.4 19.4 22.8 24.7 23.6 18.7 17.0 9.2 5.0 13.7 1989 -1.7 ****** 6.8 11.7 17.0 23.2 25.3 24.7 21.3 17.0 10.1 5.4 ****** 1990 1.0 3.1 7.5 13.5 19.9 23.8 25.8 25.6 23.6 18.2 ****** ****** ****** 1991 ****** 0.3 5.0 14.8 18.5 23.1 25.7 23.6 20.8 14.5 10.5 3.5 ****** 1992 -1.5 2.0 5.4 12.6 16.5 ****** ****** ****** ****** 14.3 10.6 4.8 ****** 1993 1.1 4.0 7.2 12.2 16.8 21.9 23.3 22.0 19.1 13.6 10.3 8.1 13.3 1994 4.4 5.3 9.1 15.4 16.8 22.2 25.3 24.9 18.5 13.5 8.9 4.2 14.0 1995 4.8 4.6 8.0 13.4 14.9 19.5 23.6 22.3 19.8 13.7 10.7 3.5 13.2 1996 -0.8 5.3 6.7 12.8 18.0 22.1 22.5 22.2 20.1 14.3 8.7 6.3 13.2 1997 3.0 3.7 6.1 11.8 17.1 21.6 24.5 23.2 20.0 14.9 7.6 2.2 13.0 1998 -0.1 3.7 8.5 14.7 17.3 21.9 24.3 22.4 19.8 13.9 11.2 9.0 13.9 1999 3.7 6.4 8.3 13.0 18.3 22.2 23.5 22.7 20.1 14.3 9.0 5.5 13.9 2000 2.4 3.1 8.4 16.0 19.7 22.0 23.9 23.1 20.0 12.7 6.9 4.1 13.5 2001 2.0 4.7 11.7 15.8 18.6 22.5 24.4 23.0 19.4 14.8 8.7 6.8 14.4 2002 1.6 6.1 10.5 13.4 17.9 21.3 23.7 23.1 20.1 15.0 8.4 4.4 13.8 2003 2.9 5.1 8.4 13.6 16.0 21.5 24.8 21.8 18.5 14.3 7.4 4.2 13.2 MEAN 1.6 3.9 7.3 12.6 17.1 22.4 25.2 24.1 20.3 15.1 9.4 4.6 13.6 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 26 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 MET. AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 ****** 0.1 -0.6 3.0 9.0 9.5 12.3 10.3 5.8 2.2 0.4 -7.4 ****** 1965 -9.9 -3.4 -1.2 0.8 1.1 2.8 5.2 7.0 2.7 1.2 0.0 -2.6 0.3 1966 -1.6 -0.6 -0.8 1.1 1.5 2.8 5.6 ****** 6.2 4.2 2.2 0.2 ****** 1967 -3.1 -6.3 -4.5 -1.0 1.5 2.9 10.5 7.3 5.7 3.2 1.1 -4.8 1.0 1968 -4.5 -2.6 0.1 3.8 4.5 5.9 10.4 11.2 10.8 7.0 3.0 -0.3 4.1 1969 -5.4 -5.6 ****** ****** 2.3 7.6 8.9 4.4 1.3 0.6 -1.3 ****** ****** 1970 -5.3 -2.7 -1.4 2.6 3.8 4.2 6.6 5.2 2.6 2.4 1.3 -6.1 1.1 1971 -5.6 0.8 3.4 6.2 4.7 6.3 7.9 4.4 2.1 1.1 -0.5 -6.5 2.0 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** -0.1 0.9 2.1 1.6 1.6 1.8 -0.5 -0.4 -0.4 -0.4 ****** 1975 ****** -8.9 -4.6 1.5 3.1 4.6 9.8 7.5 1.6 -0.2 -0.5 -0.3 ****** 1976 -0.0 0.7 0.4 0.7 1.1 0.8 3.2 7.0 1.4 1.5 -0.2 -1.6 1.2 1977 -4.4 -1.8 -0.1 -0.2 -0.3 2.2 5.9 6.5 1.7 2.1 -0.0 -1.6 0.8 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 -3.8 -0.5 -0.8 -0.5 1.4 3.6 4.1 2.7 2.2 2.1 -1.4 -3.6 0.5 1980 -5.4 -3.2 -2.2 -0.3 1.4 3.9 3.9 3.1 2.9 0.7 8.4 ****** ****** 1981 -5.2 -4.3 -2.7 -1.0 0.8 3.0 4.0 3.4 1.7 -0.9 -3.7 -4.5 -0.8 1982 -6.8 -8.0 -5.1 -1.1 1.9 3.5 3.0 3.3 1.6 2.2 -0.7 ****** ****** 1983 ****** ****** -1.9 -0.2 2.5 3.1 5.6 4.9 2.3 -1.3 ****** ****** ****** 1984 -7.2 -6.3 -1.3 -1.7 -0.3 4.4 5.4 4.5 2.3 -1.2 -0.3 ****** ****** 1985 ****** ****** ****** -1.0 1.2 4.9 6.6 3.2 3.2 -0.8 -2.1 -4.4 ****** 1986 -6.1 ****** -2.7 1.0 2.3 4.2 4.9 4.7 3.9 ****** -0.8 ****** ****** 1987 -5.4 -3.5 -2.6 -0.8 2.7 4.3 4.7 4.3 3.6 1.4 -2.4 -3.3 0.2 1988 -4.2 -3.7 -4.1 -1.0 1.1 3.0 5.5 4.3 0.6 0.6 -2.4 -4.4 -0.4 1989 -7.4 ****** -2.6 -0.9 0.6 2.6 4.2 4.0 5.4 0.9 0.6 -2.2 ****** 1990 -5.0 -3.9 -1.6 -0.2 2.6 3.6 5.7 2.9 3.8 0.7 ****** ****** ****** 1991 ****** -5.2 -2.2 0.1 -0.3 5.2 7.1 1.7 4.5 7.6 2.4 -2.2 ****** 1992 -7.4 -5.2 -2.0 6.6 10.2 ****** ****** ****** ****** 10.0 6.7 -1.7 ****** 1993 -4.0 -3.3 -2.3 0.0 3.7 6.3 12.2 12.5 10.0 4.3 0.7 -1.6 3.2 1994 -2.9 -3.6 0.6 4.1 5.8 7.7 11.3 12.9 7.7 6.3 3.9 -2.4 4.3 1995 -4.0 -4.4 -3.4 -1.2 4.5 8.3 10.8 11.2 8.2 4.5 0.3 -2.6 2.7 1996 -10.3 -2.4 2.7 5.0 7.6 8.8 11.1 10.3 7.1 4.5 -1.3 -2.3 3.4 1997 -5.6 -7.5 -2.7 1.6 5.6 10.5 13.0 12.4 7.6 5.4 2.3 -3.9 3.2 1998 -7.0 -4.1 0.1 2.6 7.6 11.6 12.7 10.0 7.0 2.5 -2.6 -1.5 3.2 1999 -2.7 -2.1 -1.3 2.3 6.2 11.1 12.7 11.3 7.1 3.0 -1.9 -2.8 3.6 2000 -4.4 -4.4 -3.0 1.2 2.3 7.6 9.1 9.2 5.7 4.2 0.6 -2.2 2.2 2001 -5.8 -3.4 -0.3 1.0 2.9 6.7 7.5 7.1 4.3 3.1 -3.2 -0.9 1.6 2002 -5.8 -3.8 -3.5 0.2 2.0 5.9 8.0 7.2 5.0 1.4 -0.1 -3.1 1.1 2003 -5.7 -5.2 -4.2 0.6 4.3 5.3 8.5 4.9 3.2 1.7 -3.0 -2.2 0.7 MEAN -5.2 -3.7 -1.7 1.0 3.1 5.3 7.5 6.5 4.2 2.4 0.1 -2.8 1.4 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 27 STATION POL-ZAMANKHAN LATITUDE 32 29 N DATA PROCESSING CENTER LONGITUDE 50 54 E ELEVATION 1810 MET. AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 ****** 5.04 4.72 5.93 9.32 9.72 12.10 10.93 7.81 5.51 4.91 3.42 ****** 1965 2.82 4.10 4.43 5.02 5.09 5.73 7.08 8.12 5.87 5.14 4.78 4.09 5.19 1966 4.34 4.67 4.57 5.09 5.24 5.88 7.59 ****** 7.80 6.85 5.64 4.83 ****** 1967 3.95 3.27 3.74 4.45 5.25 5.99 10.23 8.69 7.56 5.98 5.22 3.49 5.65 1968 3.66 3.99 4.88 6.25 6.51 7.12 9.98 10.84 10.29 8.14 5.86 4.91 6.87 1969 3.56 3.39 ****** ****** 5.57 8.35 9.28 6.80 5.14 4.91 4.43 ****** ****** 1970 3.36 4.14 4.45 5.75 6.19 6.50 8.07 7.05 5.76 5.62 5.24 3.50 5.47 1971 3.43 5.17 6.23 7.62 6.56 7.81 8.85 6.74 5.50 5.12 4.67 3.25 5.91 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** 4.70 5.00 5.45 5.27 5.26 5.32 4.52 4.57 4.58 4.57 ****** 1975 ****** 3.44 3.99 5.36 5.99 6.53 9.98 8.32 5.31 4.71 4.61 4.76 ****** 1976 4.82 5.03 4.99 5.00 5.13 4.95 6.03 8.13 5.18 5.37 4.71 4.29 5.30 1977 3.52 4.21 4.74 4.77 4.65 5.54 7.18 7.47 5.32 5.50 4.78 4.29 5.16 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 3.63 4.61 4.48 4.54 5.25 6.11 6.27 5.72 5.49 5.50 4.31 3.81 4.98 1980 3.21 3.80 4.06 4.62 5.19 6.20 6.18 5.85 5.77 4.91 9.13 ****** ****** 1981 3.24 3.54 3.89 4.43 5.02 5.84 6.34 6.02 5.30 4.47 3.64 3.43 4.60 1982 2.88 2.65 3.31 4.36 5.4