IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 1 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. AVERAGE OF MEAN DAILY TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. 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AVERAGE OF MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** 10.8 6.8 2.9 -3.6 ****** 1966 0.2 -1.0 -0.1 2.0 7.0 9.5 13.8 13.2 9.4 5.2 -1.7 -1.2 4.7 1967 -4.9 -6.8 -2.1 1.8 8.0 8.4 13.7 13.3 9.8 4.0 1.2 -3.6 3.6 1968 -5.7 -9.4 0.0 2.7 6.1 9.2 13.0 11.2 7.2 4.0 2.9 -1.2 3.3 1969 -10.1 -8.7 3.7 4.8 6.6 9.8 12.7 11.9 7.2 7.9 -1.9 -0.9 3.6 1970 -5.1 -0.8 2.2 2.7 3.3 4.5 8.6 7.3 1.9 0.8 -2.8 -9.9 1.1 1971 -10.9 -10.2 -5.8 -2.7 5.1 8.4 12.5 9.8 7.3 3.8 2.9 -3.8 1.4 1972 -8.2 -7.9 0.2 4.7 6.2 9.8 12.6 9.8 6.8 3.8 -1.0 -9.6 2.3 1973 -12.6 -4.6 -0.2 4.4 6.1 8.2 9.1 11.1 6.9 2.5 -2.2 -4.4 2.0 1974 -10.7 -12.0 0.0 ****** 4.9 8.8 11.3 11.4 8.6 1.5 -1.9 -9.5 ****** 1975 -8.7 -8.8 -2.6 3.4 6.2 8.4 12.0 15.0 ****** 0.8 -4.7 -6.1 ****** 1976 -6.9 -5.6 -5.3 2.3 6.9 10.9 13.2 10.1 5.8 2.2 -2.3 -5.0 2.2 1977 -13.6 -9.4 -0.3 6.2 7.2 12.2 12.9 11.0 6.2 1.2 -0.9 -3.4 2.4 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** -2.6 5.1 6.3 9.9 12.2 10.1 5.4 2.9 -0.2 -6.1 ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 -1.4 -2.3 -1.8 5.1 6.9 10.5 14.8 12.0 8.6 5.1 2.2 -2.4 4.8 1986 -3.4 -2.1 -1.3 5.1 8.4 9.3 13.7 11.3 7.1 6.6 -0.0 -4.5 4.2 1987 -2.9 -2.6 0.5 4.1 8.7 10.3 13.3 11.6 8.9 5.2 3.1 -1.3 4.9 1988 -4.0 -3.4 1.9 4.1 8.9 11.5 14.6 14.2 8.7 5.6 1.7 -0.4 5.3 1989 -9.0 -10.9 0.1 4.5 7.8 11.1 14.6 13.9 9.1 5.4 3.9 -1.4 4.1 1990 -5.7 -5.1 -1.2 4.0 8.8 10.7 15.0 13.9 8.9 6.1 2.7 -1.3 4.7 1991 -3.1 -8.0 0.7 5.9 8.1 12.0 16.0 14.4 11.1 6.3 2.0 -1.6 5.3 1992 -11.4 -5.7 -6.6 3.6 6.8 11.9 15.5 14.0 9.9 4.1 2.6 -0.9 3.7 1993 -6.8 -3.7 ****** ****** 6.1 10.8 9.1 6.7 12.0 5.1 2.4 2.2 ****** 1994 -3.0 -2.8 2.3 6.8 8.1 11.1 15.8 15.0 9.3 6.0 4.1 -2.3 5.9 1995 -2.1 -2.9 0.4 4.2 8.0 11.2 15.6 17.1 14.9 9.5 3.1 -4.3 6.2 1996 -8.9 -2.4 -1.5 3.1 8.6 12.5 15.5 14.1 11.5 5.7 0.2 -1.1 4.8 1997 -4.1 -5.4 -2.0 3.8 7.5 12.3 15.9 15.9 9.7 7.3 1.2 -2.6 5.0 1998 -6.5 -5.8 -0.0 5.5 8.0 13.1 16.0 14.5 11.8 6.2 2.0 -2.5 5.2 1999 -4.4 -4.3 -1.7 4.4 7.2 12.9 15.4 14.9 11.0 7.3 2.4 -3.9 5.1 2000 -6.0 -7.1 -1.7 5.8 10.3 14.3 14.7 13.8 9.3 5.7 1.7 -4.5 4.7 2001 -3.3 -4.7 1.3 5.2 7.7 11.6 14.2 12.8 9.6 6.9 2.0 -2.7 5.0 2002 -8.0 -2.7 0.6 4.3 7.6 10.4 12.5 12.1 8.6 6.7 0.7 ****** ****** 2003 -5.3 -3.9 -3.1 3.9 6.5 10.4 13.7 12.4 8.8 6.1 0.0 -6.3 3.6 MEAN -6.3 -5.5 -0.8 4.0 7.2 10.5 13.5 12.5 8.8 5.0 0.9 -3.4 3.9 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 3 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. AVERAGE OF MAXIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** 28.3 19.5 14.5 10.2 ****** 1966 10.5 8.9 12.1 16.7 24.0 31.7 34.2 34.1 28.5 19.9 17.1 11.1 20.7 1967 6.6 3.4 8.9 16.8 22.4 28.4 35.2 35.0 30.1 21.0 12.9 7.7 19.0 1968 4.2 2.9 10.7 15.5 21.0 29.3 33.1 33.3 27.8 22.6 13.5 7.9 18.5 1969 3.8 3.6 12.8 16.2 22.5 29.2 34.3 32.6 26.7 22.0 12.0 9.7 18.8 1970 5.1 11.7 ****** 20.2 25.3 32.9 35.6 36.0 31.6 23.6 17.3 6.3 ****** 1971 8.6 5.9 12.1 15.0 24.0 30.4 33.8 32.7 28.3 21.4 12.5 6.1 19.2 1972 0.0 0.8 9.0 16.3 18.5 27.4 33.7 29.4 28.3 23.8 14.4 2.2 17.0 1973 1.0 8.6 12.2 17.3 24.4 28.6 33.1 33.4 26.5 22.7 15.0 8.5 19.3 1974 -4.7 -0.5 10.0 ****** 24.8 28.3 31.5 32.3 28.2 20.8 16.3 5.1 ****** 1975 3.4 5.5 9.5 15.6 20.5 28.9 35.9 36.7 ****** 21.3 10.5 2.2 ****** 1976 1.5 0.4 3.2 10.5 20.9 29.7 35.3 33.5 28.8 19.7 11.3 ****** ****** 1977 ****** 6.3 9.1 17.1 21.5 27.7 35.4 32.4 27.6 ****** 10.8 4.4 ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** 6.3 14.7 21.7 30.2 33.8 33.6 29.5 22.3 14.3 4.9 ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 8.9 7.1 10.8 18.1 23.9 30.8 34.7 32.3 30.6 22.0 15.3 6.4 20.1 1986 7.3 8.5 10.2 16.3 21.8 29.6 34.1 32.8 29.4 23.9 11.3 6.0 19.3 1987 9.8 13.7 10.9 18.4 24.7 31.6 33.1 33.4 29.2 17.1 15.9 9.3 20.6 1988 5.4 5.5 13.2 17.8 24.7 29.9 34.6 32.7 29.8 23.3 14.9 9.8 20.1 1989 1.0 1.6 10.0 19.2 24.0 31.4 34.6 34.4 29.3 23.8 14.9 9.2 19.4 1990 3.6 5.9 12.3 17.8 25.0 31.3 33.9 34.5 31.7 22.0 16.9 9.6 20.4 1991 4.9 4.7 10.8 19.2 22.5 30.1 34.6 34.2 29.1 20.0 15.0 6.2 19.3 1992 1.9 3.1 4.9 15.7 19.6 28.2 33.7 30.5 26.7 21.6 13.5 5.2 17.1 1993 2.4 6.5 ****** ****** 20.0 30.0 31.4 32.7 28.7 18.4 12.0 11.0 ****** 1994 7.1 7.2 11.4 19.8 24.2 30.6 35.3 35.3 27.0 19.2 13.2 6.1 19.7 1995 9.6 9.6 12.6 16.3 22.2 28.0 34.9 34.3 30.5 ****** 14.1 6.6 ****** 1996 1.9 7.4 8.1 16.4 24.0 29.6 31.9 32.8 29.6 22.8 14.5 11.0 19.2 1997 8.0 7.2 7.9 16.3 22.4 29.6 35.0 35.5 28.5 22.2 13.1 9.3 19.6 1998 3.8 4.4 9.7 19.1 23.4 32.0 34.7 34.1 31.6 22.6 16.2 13.0 20.4 1999 5.7 8.9 11.7 18.8 26.3 33.2 34.1 34.1 32.3 26.6 14.3 8.9 21.2 2000 4.9 6.3 11.0 19.6 26.1 32.1 35.1 33.4 29.1 19.2 15.1 8.0 20.0 2001 8.3 7.8 14.4 20.8 25.2 30.9 35.6 34.5 28.5 23.0 14.3 8.9 21.0 2002 3.0 9.1 15.3 17.2 25.6 32.7 34.0 33.7 28.9 26.7 14.4 ****** ****** 2003 6.9 7.4 7.8 16.7 23.0 29.9 36.1 35.7 30.3 26.7 17.3 3.7 20.1 MEAN 4.8 6.1 10.3 17.2 23.1 30.1 34.3 33.6 29.1 22.0 14.2 7.6 19.4 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 4 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** 17.5 12.7 11.6 13.8 ****** 1966 10.3 9.9 12.2 14.7 17.0 22.2 20.4 20.9 19.1 14.7 18.8 12.3 16.0 1967 11.5 10.2 11.0 15.0 14.4 20.0 21.5 21.7 20.3 17.0 11.7 11.3 15.5 1968 9.9 12.3 10.7 12.8 14.9 20.1 20.1 22.1 20.5 18.6 10.6 9.1 15.1 1969 13.9 12.3 9.1 11.4 15.9 19.4 21.6 20.7 19.5 14.1 13.9 10.6 15.2 1970 10.2 12.5 ****** 17.5 22.0 28.4 27.0 28.7 29.7 22.8 20.1 16.2 ****** 1971 19.5 16.1 17.9 17.7 18.9 22.0 21.3 22.9 21.0 17.6 9.6 9.9 17.9 1972 8.2 8.7 8.8 11.6 12.3 17.7 21.1 19.6 21.5 20.0 15.4 11.8 14.7 1973 13.6 13.2 12.4 12.9 18.3 20.4 24.0 22.3 19.6 20.2 17.2 12.9 17.2 1974 6.0 11.5 10.0 ****** 19.9 19.5 20.2 20.9 19.6 19.3 18.2 14.6 ****** 1975 12.1 14.3 12.1 12.2 14.3 20.5 23.9 21.7 ****** 20.5 15.2 8.3 ****** 1976 8.4 6.0 8.5 8.2 14.0 18.8 22.1 23.4 22.9 17.5 13.6 ****** ****** 1977 ****** 15.7 9.4 10.9 14.3 15.5 22.5 21.4 21.4 ****** 11.7 7.8 ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** 8.9 9.6 15.4 20.3 21.6 23.5 24.1 19.4 14.5 11.0 ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 10.3 9.4 12.6 13.0 17.0 20.3 19.9 20.3 22.0 16.9 13.1 8.8 15.3 1986 10.7 10.6 11.5 11.2 13.4 20.3 20.4 21.5 22.3 17.3 11.3 10.5 15.1 1987 12.7 16.3 10.4 14.3 16.0 21.3 19.8 21.8 20.3 11.9 12.8 10.6 15.7 1988 9.4 8.9 11.3 13.7 15.8 18.4 20.0 18.5 21.1 17.7 13.2 10.2 14.8 1989 10.0 12.5 9.9 14.7 16.2 20.3 20.0 20.5 20.2 18.4 11.0 10.6 15.4 1990 9.3 11.0 13.5 13.8 16.2 20.6 18.9 20.6 22.8 15.9 14.2 10.9 15.6 1991 8.0 12.7 10.1 13.3 14.4 18.1 18.6 19.8 18.0 13.7 13.0 7.8 14.0 1992 13.3 8.8 11.5 12.1 12.8 16.3 18.2 16.5 16.8 17.5 10.9 6.1 13.4 1993 9.2 10.2 ****** ****** 13.9 19.2 22.3 26.0 16.7 13.3 9.6 8.8 ****** 1994 10.1 10.0 9.1 13.0 16.1 19.5 19.5 20.3 17.7 13.2 9.1 8.4 13.8 1995 11.7 12.5 12.2 12.1 14.2 16.8 19.3 17.2 15.6 ****** 11.0 10.9 ****** 1996 10.8 9.8 9.6 13.3 15.4 17.1 16.4 18.7 18.1 17.1 14.3 12.1 14.4 1997 12.1 12.6 9.9 12.6 14.9 17.3 19.1 19.6 18.8 14.9 11.9 11.9 14.6 1998 10.3 10.2 9.7 13.6 15.4 18.9 18.7 19.6 19.8 16.4 14.2 15.5 15.2 1999 10.1 13.2 13.4 14.4 19.1 20.3 18.7 19.2 21.3 19.3 11.9 12.8 16.1 2000 10.9 13.4 12.7 13.9 15.8 17.8 20.4 19.6 19.8 13.5 13.4 12.5 15.3 2001 11.6 12.5 13.1 15.6 17.5 19.3 21.4 21.7 18.9 16.1 12.3 11.6 16.0 2002 11.0 11.8 14.7 12.9 18.0 22.3 21.5 21.6 20.3 20.0 13.7 ****** ****** 2003 12.2 11.3 10.9 12.8 16.5 19.5 22.4 23.3 21.5 20.6 17.3 10.0 16.5 MEAN 10.9 11.6 11.2 13.2 15.9 19.6 20.7 21.1 20.3 17.0 13.3 11.0 15.5 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 5 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** 8.59 7.59 4.91 2.77 ****** 1966 4.47 4.09 4.62 4.97 7.81 7.84 7.54 6.14 6.66 5.13 4.02 3.90 5.60 1967 2.95 2.56 3.30 5.39 8.38 10.91 10.51 10.79 8.79 5.79 4.75 3.37 6.46 1968 3.13 2.25 4.52 5.53 7.56 9.85 12.76 9.77 9.08 6.35 6.02 4.49 6.78 1969 2.11 2.61 6.49 6.82 7.37 10.06 13.06 12.13 7.40 8.42 4.03 4.27 7.06 1970 2.72 ****** 6.50 5.31 6.39 6.39 10.29 9.45 6.07 4.55 3.45 2.38 ****** 1971 3.02 ****** 4.06 4.32 5.79 6.97 6.76 6.68 5.32 4.14 4.71 ****** ****** 1972 ****** ****** 4.48 5.52 5.85 7.03 8.38 6.84 6.47 4.80 3.77 ****** ****** 1973 ****** ****** ****** 5.68 5.45 4.50 4.35 4.47 5.61 5.36 4.56 ****** ****** 1974 ****** ****** 5.65 ****** 5.35 5.66 6.34 6.54 5.67 4.10 3.94 2.91 ****** 1975 3.18 3.60 4.62 5.17 5.65 6.29 8.27 9.46 ****** 4.95 2.57 3.74 ****** 1976 ****** ****** ****** 5.15 5.99 7.77 8.69 8.40 6.51 5.68 ****** ****** ****** 1977 ****** ****** 4.93 5.62 6.27 8.11 7.98 7.07 6.09 5.20 4.73 4.14 ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** 5.43 6.06 7.29 8.04 6.83 4.78 4.13 4.26 3.14 ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 3.39 3.24 3.81 4.55 5.51 5.40 5.81 6.04 4.18 4.36 4.59 3.62 4.54 1986 3.14 3.42 3.79 5.82 5.35 5.53 6.94 6.58 4.37 4.98 4.38 2.77 4.76 1987 3.30 3.54 4.28 4.39 5.93 5.80 7.92 7.21 5.69 5.59 4.39 3.52 5.13 1988 3.06 3.12 4.18 5.27 4.97 5.54 7.77 7.83 4.74 4.60 4.06 3.53 4.89 1989 2.14 2.00 4.09 4.85 5.27 5.35 7.11 6.01 4.24 4.32 4.80 3.72 4.49 1990 2.54 2.99 3.57 4.10 4.91 5.53 7.66 6.73 4.56 4.58 4.05 3.16 4.53 1991 3.31 2.66 4.58 4.54 4.71 5.95 5.57 4.51 4.12 5.36 3.92 3.00 4.35 1992 1.94 2.64 2.66 4.81 6.08 6.07 7.67 5.78 4.44 4.03 4.14 3.43 4.48 1993 2.29 3.14 ****** ****** 5.95 5.48 6.04 5.52 3.85 3.71 4.40 3.58 ****** 1994 3.27 3.73 4.63 4.53 4.99 3.56 4.71 4.72 4.17 4.63 4.31 2.99 4.19 1995 3.33 3.60 4.18 4.39 5.85 5.90 5.89 5.27 4.68 4.08 3.72 2.93 4.48 1996 2.31 3.69 4.16 5.06 6.57 5.53 7.18 5.69 5.20 4.33 4.04 3.51 4.77 1997 3.11 2.48 3.49 4.54 4.94 5.78 6.80 6.04 4.88 4.66 4.54 3.67 4.58 1998 2.38 2.44 4.17 5.03 5.43 5.79 7.04 6.85 5.36 4.71 4.47 3.27 4.74 1999 2.87 2.88 3.45 4.53 4.43 4.68 7.88 5.23 4.55 4.12 4.35 2.96 4.33 2000 2.43 2.11 3.46 4.94 4.98 4.74 5.07 4.81 4.43 4.78 4.46 3.17 4.11 2001 3.03 2.67 4.25 4.45 4.71 5.98 7.42 5.40 4.74 4.34 4.12 3.15 4.52 2002 2.07 3.20 4.06 4.65 4.58 4.60 4.73 4.72 4.24 4.25 3.87 ****** ****** 2003 2.70 2.94 3.11 4.75 4.39 4.59 5.03 4.44 4.26 6.51 4.24 2.52 4.12 MEAN 2.86 2.99 4.26 5.01 5.74 6.27 7.42 6.69 5.43 4.98 4.27 3.35 4.93 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 6 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** 18.23 10.72 7.66 5.58 ****** 1966 6.11 5.60 7.35 9.45 12.66 15.64 8.58 6.91 9.22 7.83 3.97 3.89 8.10 1967 2.87 2.08 2.41 6.13 9.66 15.63 12.77 9.86 9.62 8.17 5.53 4.16 7.41 1968 2.60 1.85 4.87 4.97 5.95 6.22 6.54 13.19 16.17 11.42 8.97 6.75 7.46 1969 2.92 1.68 5.37 6.07 12.82 12.22 12.66 22.41 15.32 10.25 3.99 3.88 9.13 1970 3.49 ****** 7.80 4.85 7.43 9.32 14.06 8.46 6.67 6.64 5.66 4.50 ****** 1971 5.78 5.30 5.90 6.63 7.80 7.32 6.35 6.02 5.53 4.65 5.62 5.96 6.07 1972 4.82 ****** 5.99 7.69 6.40 5.80 6.29 5.53 5.37 3.81 3.94 4.98 ****** 1973 ****** 7.09 8.36 8.21 6.63 5.11 5.10 5.55 5.05 5.28 5.66 5.07 ****** 1974 ****** ****** 4.70 ****** 5.14 5.91 6.58 7.64 5.90 5.04 5.00 4.95 ****** 1975 4.69 5.26 4.58 4.36 5.20 5.35 6.26 6.18 ****** 4.95 5.38 4.78 ****** 1976 4.72 4.57 4.75 5.00 4.52 5.95 7.11 6.30 5.50 4.84 6.12 5.06 5.37 1977 ****** 5.11 5.58 4.71 4.55 4.99 6.43 5.83 5.28 5.12 4.75 4.53 ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** 4.33 5.30 4.64 4.84 5.85 5.97 3.83 3.23 4.11 3.84 ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 3.93 3.50 3.98 3.87 4.80 5.15 5.72 5.43 4.88 3.91 4.41 4.09 4.47 1986 3.11 3.74 4.25 5.94 5.17 5.48 6.39 5.97 5.45 5.22 4.96 4.99 5.06 1987 4.74 4.40 4.52 4.03 5.85 5.42 6.89 7.52 6.52 6.71 4.77 5.11 5.54 1988 4.35 4.46 4.77 5.72 5.05 4.56 6.44 7.08 6.30 5.51 4.86 4.20 5.28 1989 3.50 3.45 4.38 4.75 4.82 4.94 6.50 6.38 5.15 4.62 5.55 5.16 4.93 1990 3.71 4.07 4.70 4.44 5.18 6.20 8.32 7.14 5.67 4.59 4.39 3.83 5.19 1991 4.24 4.09 5.27 4.31 4.02 5.08 5.85 5.64 4.66 5.14 4.19 4.35 4.74 1992 3.30 3.88 3.98 4.73 4.99 4.50 5.05 5.16 4.18 4.08 4.39 4.12 4.36 1993 3.14 4.88 ****** ****** 6.20 4.77 4.30 5.15 3.22 4.12 4.40 3.50 ****** 1994 3.95 3.22 4.48 4.28 4.13 2.86 5.58 4.28 4.02 4.47 4.11 2.88 4.02 1995 3.21 2.95 2.92 3.70 5.13 4.86 4.50 4.30 3.88 4.00 3.27 3.58 3.86 1996 3.20 4.04 4.32 4.58 5.83 5.92 6.31 5.88 5.23 4.08 4.10 3.26 4.73 1997 3.86 3.83 3.97 4.55 4.54 5.22 5.65 4.19 3.06 3.43 4.61 4.09 4.25 1998 3.84 3.91 4.74 4.70 4.88 5.78 4.81 5.95 5.05 5.10 5.13 4.85 4.90 1999 4.35 4.72 4.59 5.42 4.93 5.41 7.73 5.08 4.57 4.77 5.03 4.72 5.11 2000 4.05 4.20 4.60 4.79 5.26 5.65 6.58 6.43 5.47 5.10 5.41 4.69 5.19 2001 4.21 4.24 4.98 4.95 5.73 6.89 7.00 6.34 5.96 5.05 5.04 4.55 5.41 2002 3.69 4.40 5.34 5.39 5.88 6.37 5.69 6.04 5.45 4.98 5.39 ****** ****** 2003 3.79 4.46 4.33 5.33 4.97 4.96 4.59 4.90 5.32 5.64 4.90 3.76 4.75 MEAN 3.94 4.11 4.91 5.30 5.97 6.39 6.83 6.84 6.43 5.53 5.01 4.49 5.48 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 7 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** 13.40 9.91 7.34 4.85 ****** 1966 4.62 4.38 5.55 6.29 8.14 8.28 5.65 6.16 8.92 7.12 5.06 4.13 6.19 1967 3.44 2.70 3.28 5.37 8.41 13.01 11.06 11.45 9.83 8.20 4.97 3.33 7.09 1968 2.95 2.02 3.44 6.10 8.44 13.81 15.88 17.20 15.97 11.96 6.57 4.96 9.11 1969 3.09 2.93 6.70 6.84 8.73 11.19 15.06 17.13 14.91 9.98 4.11 4.56 8.77 1970 2.69 ****** 5.93 4.50 6.70 8.16 15.07 5.88 4.86 5.79 4.04 2.66 ****** 1971 3.74 ****** 4.23 4.98 6.14 10.04 7.74 5.50 4.66 4.13 4.77 5.33 ****** 1972 ****** ****** 5.19 5.93 5.85 6.79 8.05 10.24 7.04 3.51 4.15 ****** ****** 1973 ****** ****** 6.56 6.09 6.01 3.99 3.43 4.93 4.37 6.23 5.09 4.89 ****** 1974 ****** ****** 5.51 ****** 5.90 4.75 8.05 8.98 5.59 4.47 5.51 4.56 ****** 1975 4.24 4.15 4.89 5.40 6.60 6.97 9.82 10.16 ****** 6.03 4.92 4.10 ****** 1976 3.64 3.97 4.17 5.15 6.44 10.39 10.18 10.74 7.29 5.64 5.11 3.91 6.39 1977 ****** ****** 5.31 5.88 6.74 8.69 11.30 8.11 5.24 5.77 5.24 ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** 4.35 5.33 6.84 8.82 9.96 9.44 4.63 3.81 4.16 3.79 ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 3.54 3.26 4.22 4.26 5.57 5.97 6.11 5.77 4.93 4.05 5.28 4.41 4.78 1986 3.51 3.67 4.56 6.21 5.27 5.45 6.72 5.92 5.67 5.80 4.97 3.89 5.14 1987 4.25 4.76 4.70 4.38 5.21 4.61 7.02 8.12 6.38 6.40 4.81 4.77 5.45 1988 4.07 3.99 4.11 5.35 5.07 4.73 6.35 7.08 5.70 5.07 4.85 4.09 5.04 1989 2.70 2.71 4.23 4.54 5.11 5.59 6.32 6.42 4.96 5.02 5.29 4.20 4.76 1990 3.35 3.75 4.37 4.18 4.74 5.90 8.46 7.11 5.33 4.58 4.65 3.93 5.03 1991 3.91 3.79 5.09 4.81 3.86 4.81 5.24 5.22 4.03 5.10 4.17 3.87 4.49 1992 3.28 3.62 4.06 4.67 4.70 4.74 5.77 5.08 3.40 3.68 4.36 3.84 4.27 1993 3.22 4.36 ****** ****** 5.51 4.59 4.43 4.40 3.60 3.98 4.35 3.67 ****** 1994 4.01 3.18 4.19 4.49 4.41 3.18 5.92 4.61 4.29 5.57 4.75 3.37 4.33 1995 3.53 3.24 3.54 3.94 5.40 4.86 4.49 4.66 3.86 4.03 3.56 3.64 4.06 1996 3.16 3.81 4.21 5.00 7.46 7.03 6.82 5.81 5.08 4.45 4.17 3.77 5.06 1997 3.94 3.86 4.00 4.49 5.34 5.70 5.45 4.07 3.42 4.40 5.15 4.34 4.51 1998 3.35 3.80 4.48 4.78 4.96 5.31 4.71 5.25 5.67 5.20 4.92 4.36 4.73 1999 4.06 4.63 4.54 5.22 4.55 4.89 6.78 5.09 4.80 4.22 4.83 4.50 4.84 2000 3.62 4.21 4.45 4.54 4.81 4.88 5.68 5.61 4.78 5.04 4.84 4.26 4.73 2001 4.11 4.27 4.66 4.71 4.63 6.33 5.61 5.18 5.31 4.82 4.52 4.45 4.88 2002 3.21 4.42 4.63 4.77 4.63 4.90 4.59 5.02 4.64 4.47 4.71 ****** ****** 2003 3.66 4.35 4.42 4.78 4.55 4.52 4.29 4.64 4.63 5.17 4.56 3.67 4.44 MEAN 3.59 3.76 4.64 5.10 5.84 6.66 7.57 7.22 6.17 5.57 4.85 4.14 5.42 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 8 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1965 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 7.0 30 0.5 30 -1.5 12 -15.0 22 ***** 1966 -5.0 14 -5.5 20 -6.5 24 -2.4 6 0.5 8 5.5 16 11.0 3 9.5 27 6.0 19 1.5 30 -8.0 26 -7.5 23 -8.0 1967 -17.0 22 -16.5 21 -13.0 1 -8.5 2 1.0 2 2.0 5 10.5 11 8.5 29 4.5 26 -2.0 23 -7.0 30 -13.5 25 -17.0 1968 -17.5 19 -24.5 7 -9.0 24 -2.0 6 2.0 1 7.0 7 9.5 13 8.5 4 5.5 16 -0.5 30 -1.5 19 -7.0 31 -24.5 1969 -20.0 10 -23.5 3 0.5 1 1.0 19 3.0 10 5.5 26 8.0 8 7.5 31 3.5 14 2.0 31 -7.5 18 -5.0 8 -23.5 1970 -15.0 29 -6.0 1 -1.0 1 -5.0 27 0.0 31 1.0 9 5.0 6 4.5 29 0.0 16 -4.0 26 -7.0 16 -20.0 16 -20.0 1971 -16.0 26 -19.0 2 -16.0 16 -8.0 3 -1.0 3 4.0 5 8.0 1 8.0 3 2.0 21 -0.5 22 -0.5 2 -14.0 20 -19.0 1972 -17.5 2 -17.0 4 -3.0 1 1.0 2 3.0 8 7.0 3 9.0 13 6.0 30 5.0 16 1.0 26 -6.0 30 -20.0 26 -20.0 1973 -21.0 3 -10.0 1 -5.0 10 0.0 13 3.5 27 6.0 5 6.0 21 10.0 6 3.0 23 0.0 23 -14.0 7 -11.0 31 -21.0 1974 -18.0 4 -24.0 4 -9.0 2 ***** ** 0.0 2 7.0 1 8.0 1 8.0 31 4.0 30 -3.0 20 -6.0 28 -18.0 27 ***** 1975 -15.0 1 -16.0 1 -10.0 10 1.0 3 2.5 13 6.0 4 9.0 6 13.0 28 ***** ** -4.0 21 -10.0 7 -11.0 25 ***** 1976 -16.0 2 -12.0 18 -19.0 3 -5.0 6 5.0 3 8.0 6 11.0 12 6.0 29 4.0 21 0.0 30 -6.0 20 -9.0 25 -19.0 1977 -26.0 14 -25.0 3 -7.0 7 1.0 2 3.0 22 1.3 10 1.2 7 1.0 7 2.5 30 -3.0 26 -5.0 25 -8.0 31 -26.0 1978 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1979 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1980 ***** ** ***** ** -14.0 6 -2.0 17 1.0 9 7.5 1 9.0 2 7.0 28 0.0 24 -2.5 30 -5.0 27 -15.0 21 ***** 1981 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1982 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1983 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1984 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1985 -12.0 7 -9.5 7 -13.0 9 1.0 8 2.0 1 7.5 12 9.5 29 7.5 13 5.0 24 -2.0 23 -3.0 1 -11.5 31 -13.0 1986 -13.5 21 -6.0 8 -10.5 18 1.0 2 2.5 18 6.5 2 11.0 28 8.0 12 4.0 12 0.0 17 -5.0 12 -12.0 13 -13.5 1987 -9.0 14 -12.5 7 -5.0 15 -3.5 6 4.0 6 7.5 6 9.5 10 8.0 28 5.4 29 -2.0 13 -5.0 30 -10.0 31 -12.5 1988 -10.5 20 -11.0 7 -2.5 25 -4.5 3 5.5 7 7.5 26 11.0 3 11.0 24 5.0 25 2.0 27 -6.0 26 -10.0 30 -11.0 1989 -21.5 31 -27.0 6 -8.5 31 -3.5 3 0.5 1 6.0 2 11.5 9 10.5 23 5.0 21 -1.0 23 0.0 14 -6.5 18 -27.0 1990 -19.0 26 -11.5 8 -11.0 22 0.0 9 3.0 13 7.5 7 11.0 20 10.0 21 3.0 28 0.0 19 -1.5 30 -15.5 28 -19.0 1991 -13.5 16 -21.0 14 -6.0 17 0.0 14 2.0 6 6.5 1 12.0 9 11.0 30 5.0 30 2.0 1 -3.0 25 -11.0 24 -21.0 1992 -25.5 5 -15.0 28 -22.0 13 -4.5 3 2.0 7 8.0 3 11.5 11 11.0 30 3.5 30 1.5 29 -5.9 27 -12.0 29 -25.5 1993 -19.0 21 -12.0 18 ***** ** ***** ** 2.0 5 8.0 20 5.0 13 3.0 19 7.5 25 2.5 29 -3.5 30 -3.6 6 ***** 1994 -9.0 18 -8.0 24 -1.5 2 3.5 3 5.5 1 7.5 5 11.5 1 10.5 27 4.5 23 2.5 10 0.5 12 -11.0 6 -11.0 1995 -6.5 26 -7.5 26 -4.5 1 0.5 9 4.0 9 5.5 5 9.5 7 13.5 12 12.5 22 6.5 19 -6.5 28 -7.5 21 -7.5 1996 -18.5 20 -6.5 6 -4.5 25 -1.5 5 4.5 1 7.0 12 12.5 17 11.0 5 8.5 20 1.0 19 -6.5 14 -5.5 5 -18.5 1997 -9.5 31 -15.0 2 -15.5 9 -5.5 11 1.0 6 7.5 5 12.0 7 13.5 30 5.5 15 3.0 29 -4.0 30 -6.5 28 -15.5 1998 -15.0 15 -15.0 15 -10.5 1 1.5 6 3.0 4 8.5 1 12.5 8 12.0 10 10.0 23 2.5 11 -1.5 11 -6.5 24 -15.0 1999 -9.0 4 -9.5 22 -5.5 2 2.5 9 4.0 22 9.0 7 11.2 16 12.5 2 7.0 29 4.5 25 -3.0 6 -15.0 6 -15.0 2000 -15.0 31 -19.0 9 -6.5 4 1.5 2 7.5 1 8.5 15 12.0 29 12.0 3 6.5 25 2.5 8 -5.0 30 -10.0 23 -19.0 2001 -15.0 28 -10.0 22 -3.5 2 2.5 17 3.5 6 5.5 12 12.5 30 10.5 29 7.5 21 5.5 26 -6.5 19 -5.5 17 -15.0 2002 -19.0 15 -6.5 1 -4.0 6 -3.0 4 4.5 5 8.5 4 11.0 2 10.5 25 7.5 20 5.0 28 -7.0 25 ***** ** ***** 2003 -11.0 23 -9.0 17 -7.0 1 1.5 1 4.5 2 7.5 2 9.5 1 10.5 27 6.5 30 4.2 28 -5.5 24 -12.5 14 -12.5 LOW. -26.0 14 -27.0 6 -22.0 13 -8.5 2 -1.0 3 1.0 9 1.2 7 1.0 7 0.0 16 -4.0 26 -14.0 7 -20.0 16 -27.0 YEAR 1977 1989 1992 1967 1971 1970 1977 1977 1970 1970 1973 1970 1989 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 9 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1965 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 32.0 1 25.0 15 18.0 4 17.0 6 ***** 1966 18.0 2 19.0 26 18.5 4 24.0 29 29.5 24 35.0 29 37.5 25 36.0 13 34.5 1 26.5 6 20.0 1 17.5 7 37.5 1967 11.0 17 9.0 10 13.0 30 22.0 17 28.0 24 36.0 29 38.0 13 37.0 1 34.0 3 23.5 9 23.0 3 13.5 17 38.0 1968 11.0 14 11.0 28 18.0 14 23.0 16 26.0 20 35.0 30 35.5 4 36.5 15 30.0 2 28.0 1 16.0 12 12.5 22 36.5 1969 7.0 13 12.5 28 20.0 31 22.0 25 28.0 15 34.0 27 38.0 25 36.0 1 31.0 7 28.0 7 16.0 1 17.0 11 38.0 1970 15.0 5 15.0 28 ***** ** 26.0 13 30.0 24 36.0 30 37.0 9 37.0 16 37.0 1 30.0 1 22.0 8 15.0 4 ***** 1971 15.0 4 12.0 22 16.0 19 22.0 27 27.0 15 34.0 20 37.0 12 35.0 15 33.0 3 25.5 15 20.0 2 14.0 12 37.0 1972 5.0 14 8.0 15 15.0 16 20.0 10 25.0 26 30.5 30 36.5 9 32.5 13 31.0 3 29.0 1 20.0 1 6.0 1 36.5 1973 6.0 7 15.0 28 18.0 2 22.0 27 27.0 13 34.0 27 36.0 17 36.0 2 31.5 1 24.0 1 23.0 1 14.0 2 36.0 1974 -2.0 7 5.0 14 16.0 24 ***** ** 29.5 31 30.0 1 35.0 14 35.0 3 30.5 9 25.0 23 24.5 2 13.0 1 ***** 1975 9.0 3 10.0 24 15.0 30 20.0 15 27.0 31 34.0 30 38.0 31 40.0 15 ***** ** 25.0 2 19.0 1 5.0 13 ***** 1976 4.0 21 3.0 4 8.0 31 19.0 30 25.0 31 37.0 27 38.0 17 38.0 1 33.0 3 26.5 2 16.0 7 ***** ** ***** 1977 ***** ** 11.0 21 12.0 17 22.0 28 28.0 14 35.0 29 39.0 18 39.0 26 31.0 3 ***** ** 14.0 8 10.0 4 ***** 1978 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1979 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1980 ***** ** ***** ** 14.0 26 21.0 22 28.5 31 35.0 30 37.5 19 36.0 5 34.0 6 28.0 5 18.5 2 15.0 6 ***** 1981 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1982 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1983 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1984 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1985 15.0 28 15.0 14 19.0 31 24.5 20 30.0 29 36.0 26 36.5 5 36.5 3 34.0 3 27.5 1 20.0 9 13.0 13 36.5 1986 12.5 3 15.5 28 18.5 30 20.0 17 29.0 29 37.5 30 37.5 2 36.5 1 31.0 22 28.0 3 19.0 1 12.0 8 37.5 1987 16.0 19 17.0 2 16.0 8 26.0 28 29.0 15 35.0 30 37.0 19 39.0 27 34.0 9 28.5 2 20.0 15 15.5 18 39.0 1988 10.0 7 11.5 1 18.5 26 22.5 18 29.5 27 34.5 13 39.5 13 36.5 11 35.0 15 27.5 5 20.0 3 18.2 1 39.5 1989 7.5 20 9.0 28 16.0 9 25.0 16 30.0 25 36.5 29 39.5 10 36.0 5 36.0 3 29.0 6 21.0 2 14.0 26 39.5 1990 9.0 4 10.5 28 18.5 10 25.0 26 29.0 22 35.0 24 38.0 26 37.5 15 34.0 15 26.5 8 24.5 3 17.5 3 38.0 1991 11.0 7 11.0 28 17.0 29 25.0 22 26.5 16 34.0 27 37.0 31 37.5 10 34.0 1 25.0 7 20.5 1 14.0 1 37.5 1992 6.0 22 8.5 22 11.0 17 22.0 13 24.5 30 32.0 27 39.0 6 35.0 5 28.5 14 25.5 3 19.0 4 13.5 12 39.0 1993 8.5 28 10.0 27 ***** ** ***** ** 27.5 27 35.5 30 34.0 24 37.0 10 33.0 1 24.5 1 17.0 20 14.5 7 ***** 1994 13.5 1 11.5 8 18.5 31 25.5 22 33.0 31 33.5 2 38.5 29 38.0 4 31.5 2 23.0 1 18.0 3 12.0 27 38.5 1995 13.0 4 14.5 21 14.5 24 20.5 30 27.5 22 32.8 21 38.5 15 36.5 5 33.5 15 ***** ** 19.5 5 12.5 30 ***** 1996 10.5 1 12.5 11 17.5 31 22.5 22 29.0 28 33.0 24 33.5 4 34.5 11 33.0 11 28.0 1 22.5 6 16.5 29 34.5 1997 14.5 1 15.5 22 14.5 2 26.5 26 28.5 28 33.5 30 37.5 11 37.5 11 32.5 1 26.5 4 16.5 11 14.0 7 37.5 1998 9.0 2 8.5 5 15.6 24 26.5 14 28.5 27 35.5 30 38.5 12 37.5 18 34.0 1 29.0 1 21.0 20 22.0 10 38.5 1999 13.0 31 13.0 12 17.5 31 24.5 30 32.5 30 35.5 28 43.0 20 36.5 12 36.0 6 30.5 6 18.5 1 16.5 31 43.0 2000 15.0 1 12.5 24 15.0 30 26.0 29 29.5 29 38.0 30 38.0 1 36.0 16 31.5 1 25.0 27 25.0 2 14.0 5 38.0 2001 14.0 15 14.5 27 20.0 22 26.0 28 31.0 29 35.5 29 37.0 4 37.0 5 31.5 4 28.0 3 22.0 5 13.0 23 37.0 2002 12.5 1 12.0 10 19.5 12 24.0 30 32.0 30 34.5 14 36.0 30 36.0 9 31.0 2 30.0 10 30.0 28 ***** ** ***** 2003 16.5 9 10.0 3 12.5 27 22.5 7 26.0 16 34.0 24 38.0 11 37.5 7 31.5 3 29.0 4 25.0 3 12.0 1 38.0 HIG. 18.0 2 19.0 26 20.0 31 26.5 26 33.0 31 38.0 30 43.0 20 40.0 15 37.0 1 30.5 6 30.0 28 22.0 10 43.0 YEAR 1966 1966 1969 1997 1994 2000 1999 1975 1970 1999 2002 1998 1999 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 10 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1965 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** 3.0 29 48.1 29 27.5 9 9.0 28 ***** 1966 21.0 31 25.0 2 18.0 1 34.0 22 20.5 5 0.0 ** 0.0 ** 0.0 ** 0.0 ** 22.0 14 0.0 ** 5.0 18 34.0 1967 14.0 30 25.0 17 28.0 8 20.0 6 11.5 18 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 17.0 25 4.5 23 28.0 1968 14.0 7 15.0 8 36.0 30 15.0 3 12.5 14 0.0 ** 0.0 ** 0.0 ** 0.0 ** 26.0 31 12.5 7 5.0 4 36.0 1969 32.0 21 18.0 21 32.0 20 16.0 12 21.0 7 0.0 ** 0.0 ** 19.0 29 0.0 ** 14.5 30 15.0 2 22.5 27 32.0 1970 7.0 10 7.0 14 0.0 ** 24.4 22 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 1.8 14 24.1 28 20.6 13 24.4 1971 34.0 16 5.0 3 17.0 15 36.0 11 11.0 6 0.0 ** 6.0 31 16.0 1 0.0 ** 3.0 27 24.0 8 30.0 9 36.0 1972 14.0 28 28.0 8 13.0 17 18.0 24 20.0 7 3.0 10 0.0 ** 8.0 2 0.0 ** 0.0 ** 43.0 3 12.6 6 43.0 1973 8.5 23 18.0 1 29.0 3 13.0 16 8.0 11 0.0 ** 3.0 25 0.0 ** 0.0 ** 0.0 ** 31.0 23 7.0 18 31.0 1974 13.5 16 9.5 18 8.0 14 ***** ** 19.0 4 0.0 ** 0.0 ** 0.0 ** 0.0 ** 5.0 11 16.0 21 38.0 5 ***** 1975 20.0 3 9.0 25 22.0 19 21.0 27 19.0 5 0.0 ** 0.0 ** 0.0 ** ***** ** 0.0 ** 11.0 22 31.0 23 ***** 1976 27.0 19 30.0 10 22.0 25 26.0 19 14.0 14 6.0 9 2.0 28 0.0 ** 0.0 ** 17.0 30 21.0 27 9.5 30 30.0 1977 15.0 29 5.0 7 14.0 4 11.0 24 18.0 23 0.0 ** 0.0 ** 2.0 2 0.0 ** 31.0 20 13.0 13 17.0 14 31.0 1978 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1979 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1980 26.0 16 42.0 25 11.0 27 26.0 2 19.0 5 0.0 ** 0.0 ** 0.0 ** 0.0 ** 18.0 30 28.0 20 38.0 18 42.0 1981 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1982 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1983 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1984 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1985 16.0 30 12.0 26 25.0 22 25.0 6 14.0 17 3.0 11 0.0 ** 0.0 ** 0.0 ** 0.0 ** 9.0 11 62.0 19 62.0 1986 6.0 31 14.0 6 40.0 8 24.0 8 10.5 4 0.0 ** 0.0 ** 0.0 ** 0.0 ** 11.0 24 26.0 10 19.0 20 40.0 1987 16.0 6 21.0 26 38.0 2 22.0 19 9.0 6 0.0 ** 6.0 31 0.0 ** 0.0 ** 54.0 23 14.0 8 24.0 7 54.0 1988 11.5 18 13.4 25 47.0 4 15.0 26 3.0 2 0.0 ** 0.0 ** 0.0 ** 0.0 ** 7.0 15 16.0 11 22.0 17 47.0 1989 23.0 23 14.0 22 23.0 29 11.0 29 15.0 7 0.0 ** 0.0 ** 0.0 ** 0.0 ** 12.0 25 37.0 8 38.0 4 38.0 1990 7.0 5 20.0 10 14.0 19 20.0 30 18.0 12 0.0 ** 0.0 ** 0.0 ** 0.0 ** 13.0 27 26.0 12 14.0 25 26.0 1991 15.0 15 22.0 1 40.0 6 6.0 29 3.5 18 2.0 25 0.0 ** 0.0 ** 3.0 29 7.0 17 25.0 15 36.0 9 40.0 1992 32.0 3 77.0 25 35.0 10 50.0 27 20.0 7 6.0 4 0.0 ** 4.0 30 0.0 ** 0.0 ** 21.0 25 24.0 14 77.0 1993 28.0 8 46.0 3 ***** ** ***** ** 18.0 14 0.0 ** 3.0 24 0.0 ** 0.0 ** 9.0 26 47.0 3 7.0 1 ***** 1994 26.0 16 56.0 1 32.0 11 17.0 30 18.0 6 2.0 3 0.0 ** 0.0 ** 0.0 ** 13.0 18 64.0 7 16.0 20 64.0 1995 11.0 12 22.0 5 20.0 17 15.0 22 49.0 31 13.0 3 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 9.0 4 49.0 1996 35.0 6 30.0 2 33.0 24 31.0 16 11.4 13 0.4 27 0.8 6 0.0 ** 8.2 1 2.4 15 12.0 17 32.0 23 35.0 1997 0.8 17 5.4 20 35.4 29 18.8 5 7.0 5 1.6 22 0.0 ** 0.0 ** 0.0 ** 3.6 23 19.2 3 16.0 14 35.4 1998 22.8 6 25.0 9 57.4 29 20.6 20 9.6 13 2.6 19 0.0 ** 1.4 6 0.0 ** 26.8 10 8.2 12 2.4 3 57.4 1999 18.6 16 48.4 20 13.0 20 8.8 10 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 1.8 26 49.4 9 15.4 11 49.4 2000 68.8 28 16.4 14 33.4 25 16.4 22 1.2 10 0.0 ** 3.6 15 0.0 ** 0.2 30 18.9 17 23.4 6 46.7 1 68.8 2001 8.6 27 3.8 18 34.4 10 9.8 9 34.2 4 5.4 11 2.4 19 0.0 ** 2.8 24 8.4 27 39.2 18 34.0 2 39.2 2002 50.2 7 6.2 14 29.6 28 11.8 3 17.6 4 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.4 31 13.2 6 ***** ** ***** 2003 13.0 28 11.8 5 20.8 7 56.4 22 9.2 29 0.0 ** 0.0 ** 0.0 ** 0.0 ** 14.8 30 12.6 11 31.4 5 56.4 HIG. 68.8 28 77.0 25 57.4 29 56.4 22 49.0 31 13.0 3 6.0 31 19.0 29 8.2 1 54.0 23 64.0 7 62.0 19 77.0 YEAR 2000 1992 1998 2003 1995 1995 1971 1969 1996 1987 1994 1985 1992 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 11 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. MONTHLY TOTAL PRECIPITATION WITH SEASONAL PERCENT. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL SEASONAL-PERCENT ----------------------- 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1965 ****** ****** ****** ****** ****** ****** ****** ****** 3.0 87.1 70.8 18.0 ****** ***** ***** 1.7 98.3 1966 61.9 56.5 58.0 35.0 20.5 0.0 0.0 0.0 0.0 55.5 0.0 18.0 305.4 57.8 18.2 0.0 24.1 1967 35.0 91.0 38.0 33.0 36.0 0.0 0.0 0.0 0.0 0.0 53.5 4.5 291.0 56.4 23.7 0.0 19.9 1968 24.0 68.0 81.0 74.0 71.0 0.0 0.0 0.0 0.0 43.5 70.5 19.0 451.0 38.4 32.2 0.0 29.5 1969 195.0 46.0 158.6 72.5 44.0 0.0 0.0 25.0 0.0 25.5 32.0 64.5 663.1 60.3 17.6 3.8 18.4 1970 18.5 7.0 0.0 79.9 0.0 0.0 0.0 0.0 0.0 1.8 24.1 53.0 184.3 13.8 43.4 0.0 42.8 1971 34.0 14.4 46.0 133.0 29.5 0.0 13.0 19.0 0.0 3.5 127.0 62.0 481.4 19.6 33.8 6.6 40.0 1972 74.0 45.0 36.0 71.0 101.5 3.0 0.0 10.0 0.0 0.0 116.0 40.8 497.3 31.2 35.3 2.0 31.5 1973 54.0 41.0 53.0 37.0 8.0 0.0 3.0 0.0 0.0 0.0 39.0 7.0 242.0 61.2 18.6 1.2 19.0 1974 98.5 41.0 17.5 ****** 26.0 0.0 0.0 0.0 0.0 5.0 30.0 97.5 ****** 49.8 8.2 0.0 42.0 1975 86.5 31.0 56.0 67.0 79.0 0.0 0.0 0.0 ****** 0.0 70.5 144.5 ****** 32.5 27.3 0.0 40.2 1976 118.5 132.5 109.5 127.0 37.0 6.0 2.0 0.0 0.0 56.0 44.0 45.3 677.8 53.2 25.1 0.3 21.4 1977 93.9 9.0 49.0 47.0 61.0 0.0 0.0 2.0 0.0 116.0 34.0 72.0 483.9 31.4 22.3 0.4 45.9 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1980 87.0 151.0 63.0 60.0 23.0 0.0 0.0 0.0 0.0 19.0 89.0 61.0 553.0 54.4 15.0 0.0 30.6 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1985 49.0 42.4 97.0 63.0 35.0 3.0 0.0 0.0 0.0 0.0 30.0 110.0 429.4 43.9 23.5 0.0 32.6 1986 15.0 56.0 140.0 127.0 19.6 0.0 0.0 0.0 0.0 13.0 99.6 42.0 512.2 41.2 28.6 0.0 30.2 1987 43.0 100.5 194.8 35.0 22.0 0.0 8.0 0.0 0.0 154.0 24.0 122.8 704.1 48.0 8.1 1.1 42.7 1988 24.2 65.5 137.0 79.0 7.0 0.0 0.0 0.0 0.0 8.0 46.0 59.4 426.1 53.2 20.2 0.0 26.6 1989 104.0 54.0 73.7 26.0 22.0 0.0 0.0 0.0 0.0 12.0 116.0 98.0 505.7 45.8 9.5 0.0 44.7 1990 46.0 49.0 68.0 41.4 32.0 0.0 0.0 0.0 0.0 32.0 36.0 18.5 322.9 50.5 22.7 0.0 26.8 1991 37.0 73.0 127.0 15.0 4.5 2.0 0.0 0.0 3.0 24.0 47.0 137.0 469.5 50.5 4.6 0.6 44.3 1992 61.0 113.0 92.0 150.5 89.0 6.0 0.0 4.0 0.0 0.0 76.0 92.0 683.5 38.9 35.9 0.6 24.6 1993 60.0 131.0 ****** ****** 59.0 0.0 3.0 0.0 0.0 13.0 112.0 28.0 ****** 47.0 14.5 0.7 37.7 1994 76.0 76.0 152.0 51.0 38.0 2.0 0.0 0.0 0.0 59.0 286.0 62.0 802.0 37.9 11.3 0.0 50.7 1995 18.0 56.0 57.0 87.0 160.0 33.0 0.0 0.0 0.0 0.0 0.0 25.0 436.0 30.0 64.2 0.0 5.7 1996 101.0 118.0 224.0 123.4 31.9 0.6 0.8 0.0 10.0 4.6 28.4 40.0 682.7 64.9 22.8 1.6 10.7 1997 2.0 11.8 121.4 73.0 39.4 2.8 0.0 0.0 0.0 7.8 28.8 39.4 326.4 41.4 35.3 0.0 23.3 1998 86.6 67.0 188.2 61.4 34.4 2.6 0.0 2.8 0.0 34.4 13.2 5.2 495.8 68.9 19.8 0.6 10.6 1999 52.2 91.8 45.0 27.2 0.0 0.0 0.0 0.0 0.0 1.8 60.4 46.0 324.4 58.3 8.4 0.0 33.4 2000 117.6 31.3 73.6 19.2 1.2 0.0 3.6 0.0 0.2 42.1 53.2 105.5 447.5 49.7 4.6 0.8 44.9 2001 18.2 11.4 74.6 13.4 34.2 17.2 2.4 0.0 5.3 18.6 52.8 115.8 363.9 28.6 17.8 2.1 51.4 2002 65.2 8.2 87.8 31.0 19.8 0.0 0.0 0.0 0.0 4.0 34.6 ****** ****** 64.3 20.3 0.0 15.4 2003 50.8 40.8 60.1 156.8 14.6 0.0 0.0 0.0 0.0 16.5 19.2 79.4 438.2 34.6 39.1 0.0 26.3 MEAN 62.7 60.3 89.6 67.2 37.5 2.4 1.1 2.0 0.7 26.0 59.5 60.4 469.4 45.3 22.8 0.8 31.1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 12 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** 1 9 6 3 *** 1966 8 7 8 2 1 0 0 0 0 6 0 4 36 1967 4 7 2 6 7 0 0 0 0 0 7 1 34 1968 2 6 9 12 9 0 0 0 0 3 10 5 56 1969 12 5 13 9 5 0 0 2 0 4 4 5 59 1970 5 1 0 5 0 0 0 0 0 1 1 3 16 1971 1 8 6 10 5 0 3 2 0 2 11 5 53 1972 10 2 6 10 18 1 0 2 0 0 5 6 60 1973 10 4 5 6 1 0 1 0 0 0 2 1 30 1974 11 10 5 *** 2 0 0 0 0 1 3 7 *** 1975 11 8 9 6 7 0 0 0 *** 0 11 13 *** 1976 11 16 10 12 3 1 1 0 0 9 5 9 77 1977 16 2 6 7 8 0 0 1 0 11 5 10 66 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 9 10 12 7 2 0 0 0 0 2 7 4 53 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 6 8 10 5 5 1 0 0 0 0 6 9 50 1986 4 7 13 13 4 0 0 0 0 2 7 6 56 1987 5 11 13 4 3 0 2 0 0 10 3 10 61 1988 8 10 7 11 3 0 0 0 0 2 5 7 53 1989 10 8 11 4 3 0 0 0 0 1 9 5 51 1990 12 8 10 5 2 0 0 0 0 3 2 4 46 1991 6 8 9 3 2 1 0 0 1 6 3 8 47 1992 6 7 5 7 8 1 0 1 0 0 6 11 52 1993 5 8 *** *** 8 0 1 0 0 2 9 6 *** 1994 7 6 10 8 5 1 0 0 0 9 14 9 69 1995 2 5 7 14 13 5 0 0 0 0 0 8 54 1996 9 8 19 15 9 2 1 0 2 2 6 4 77 1997 3 5 20 9 9 2 0 0 0 5 8 5 66 1998 8 8 12 6 7 1 0 4 0 3 3 3 55 1999 9 8 6 6 0 0 0 0 0 1 2 6 38 2000 6 6 3 2 1 0 1 0 1 9 7 7 43 2001 5 6 6 2 1 4 1 0 3 3 5 7 43 2002 6 4 11 6 3 0 0 0 0 5 8 *** *** 2003 9 10 8 12 3 0 0 0 0 4 5 12 63 MEAN 7 7 9 7 5 1 0 0 0 3 6 6 51 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 13 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** 1 9 5 3 *** 1966 8 7 8 2 1 0 0 0 0 6 0 4 36 1967 4 7 2 6 7 0 0 0 0 0 7 1 34 1968 2 6 9 12 9 0 0 0 0 3 10 5 56 1969 12 5 13 9 5 0 0 2 0 4 4 5 59 1970 5 1 0 5 0 0 0 0 0 1 1 3 16 1971 1 6 6 10 5 0 3 2 0 1 11 5 50 1972 10 2 6 10 18 1 0 2 0 0 5 6 60 1973 10 4 5 6 1 0 1 0 0 0 2 1 30 1974 11 10 5 *** 2 0 0 0 0 1 3 7 *** 1975 11 8 9 6 7 0 0 0 *** 0 11 13 *** 1976 11 16 10 12 3 1 1 0 0 9 5 9 77 1977 16 2 6 7 8 0 0 1 0 11 5 10 66 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 9 10 12 7 2 0 0 0 0 2 7 4 53 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 6 8 10 5 5 1 0 0 0 0 6 9 50 1986 4 7 13 13 4 0 0 0 0 2 7 6 56 1987 5 11 12 4 3 0 2 0 0 10 3 10 60 1988 6 9 7 11 3 0 0 0 0 2 5 7 50 1989 10 8 11 4 3 0 0 0 0 1 9 5 51 1990 12 8 10 5 2 0 0 0 0 3 2 4 46 1991 6 8 9 3 2 1 0 0 1 6 3 8 47 1992 6 7 5 7 8 1 0 1 0 0 6 11 52 1993 5 8 *** *** 8 0 1 0 0 2 9 6 *** 1994 7 6 10 8 5 1 0 0 0 9 14 9 69 1995 2 5 7 14 13 5 0 0 0 0 0 8 54 1996 9 8 19 15 7 0 0 0 2 2 6 3 71 1997 0 4 17 9 8 2 0 0 0 3 5 5 53 1998 8 7 11 6 5 1 0 1 0 3 3 2 47 1999 5 7 6 5 0 0 0 0 0 1 2 5 31 2000 5 3 3 2 1 0 1 0 0 4 7 7 33 2001 3 4 4 2 1 4 1 0 2 3 4 5 33 2002 4 2 11 5 2 0 0 0 0 1 5 *** *** 2003 9 7 6 10 2 0 0 0 0 2 4 7 47 MEAN 7 7 8 7 5 1 0 0 0 3 5 6 49 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 14 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** 0 2 3 0 *** 1966 4 2 3 1 1 0 0 0 0 2 0 0 13 1967 1 4 2 1 1 0 0 0 0 0 2 0 11 1968 2 4 2 3 4 0 0 0 0 2 2 0 19 1969 10 2 6 4 2 0 0 1 0 1 2 3 31 1970 0 0 0 4 0 0 0 0 0 0 1 3 8 1971 1 0 1 4 2 0 0 1 0 0 5 3 17 1972 3 2 1 3 1 0 0 0 0 0 3 2 15 1973 0 2 1 2 0 0 0 0 0 0 1 0 6 1974 4 0 0 *** 1 0 0 0 0 0 2 3 *** 1975 3 0 1 4 4 0 0 0 *** 0 3 8 *** 1976 6 4 6 5 3 0 0 0 0 2 2 0 28 1977 3 0 1 1 2 0 0 0 0 4 1 4 16 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 4 5 1 1 1 0 0 0 0 1 3 2 18 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 3 2 5 2 1 0 0 0 0 0 0 2 15 1986 0 3 5 5 1 0 0 0 0 1 5 2 22 1987 2 5 9 1 0 0 0 0 0 5 1 6 29 1988 1 4 5 3 0 0 0 0 0 0 2 2 17 1989 6 2 1 1 1 0 0 0 0 1 4 4 20 1990 0 2 3 2 2 0 0 0 0 2 2 1 14 1991 2 3 4 0 0 0 0 0 0 0 3 6 18 1992 2 3 3 5 4 0 0 0 0 0 5 4 26 1993 3 5 *** *** 2 0 0 0 0 0 4 0 *** 1994 3 1 6 2 2 0 0 0 0 3 7 3 27 1995 1 3 1 3 6 2 0 0 0 0 0 0 16 1996 2 5 9 4 1 0 0 0 0 0 1 1 23 1997 0 0 4 3 0 0 0 0 0 0 1 2 10 1998 4 3 6 2 0 0 0 0 0 1 0 0 16 1999 2 2 1 0 0 0 0 0 0 0 2 2 9 2000 2 2 2 1 0 0 0 0 0 2 2 2 13 2001 0 0 2 0 1 0 0 0 0 0 1 5 9 2002 1 0 2 1 1 0 0 0 0 0 1 *** *** 2003 2 1 2 5 0 0 0 0 0 1 1 2 14 MEAN 2 2 3 2 1 0 0 0 0 1 2 2 15 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 15 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** 69 81 71 62 *** 1966 77 81 80 72 68 46 40 37 56 56 64 68 62 1967 62 68 66 70 71 70 59 63 70 78 79 76 69 1968 67 56 77 77 75 74 75 72 85 88 89 86 77 1969 68 68 88 84 80 74 79 81 69 82 85 82 78 1970 70 *** 76 57 53 43 57 54 53 55 54 76 *** 1971 87 *** 74 64 57 47 37 43 44 54 77 *** *** 1972 *** *** 86 68 61 46 43 45 49 51 65 *** *** 1973 *** *** *** 67 43 22 25 24 46 69 73 *** *** 1974 *** *** 74 *** 48 32 34 37 45 58 69 89 *** 1975 92 91 77 57 53 44 36 40 *** 70 62 96 *** 1976 *** *** *** 74 59 44 47 51 57 73 *** *** *** 1977 *** *** 84 61 58 48 47 52 57 77 87 94 *** 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** *** 65 59 52 46 56 45 52 76 82 *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 67 73 73 57 60 48 40 49 47 58 72 74 60 1986 72 75 71 78 57 54 49 51 48 60 77 67 63 1987 70 66 73 59 55 50 58 59 59 73 67 70 63 1988 74 71 65 65 48 45 52 56 50 58 65 68 60 1989 67 63 76 67 56 45 48 44 45 58 71 77 60 1990 66 74 67 56 50 46 53 49 45 59 63 62 58 1991 74 67 73 52 47 42 34 32 35 62 61 63 54 1992 59 69 63 64 63 44 47 43 40 56 63 67 57 1993 63 71 *** *** 59 43 37 38 34 48 66 59 *** 1994 64 73 71 51 50 31 30 32 39 56 60 65 52 1995 69 76 72 60 60 50 38 32 33 40 54 69 54 1996 59 70 76 66 62 41 45 40 42 48 64 64 56 1997 72 65 67 63 52 43 41 38 43 47 64 71 56 1998 66 68 72 58 51 39 40 43 37 50 70 72 56 1999 71 71 71 58 43 31 50 33 33 38 63 69 53 2000 69 63 72 57 37 29 31 33 36 52 59 70 51 2001 68 69 68 51 41 39 45 35 37 40 63 73 52 2002 60 73 72 60 40 29 26 26 31 40 63 *** *** 2003 72 73 71 63 42 29 26 26 30 64 59 70 52 MEAN 69 71 73 63 55 44 44 44 47 59 68 73 59 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 16 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** 65 65 64 61 *** 1966 65 65 69 68 60 47 22 18 32 47 30 45 47 1967 42 37 29 44 49 54 32 25 32 46 50 55 41 1968 41 34 71 36 33 22 18 35 59 57 79 85 48 1969 50 29 51 46 62 41 32 60 59 53 39 45 47 1970 55 *** 70 42 39 36 52 32 29 34 41 76 *** 1971 92 92 78 67 40 26 18 20 22 28 54 85 52 1972 90 *** 68 55 42 22 17 19 18 17 32 84 *** 1973 *** 81 80 60 33 18 15 16 20 27 49 62 *** 1974 *** *** 54 *** 22 21 20 22 21 28 37 75 *** 1975 78 78 56 34 32 19 15 14 *** 27 58 87 *** 1976 91 95 83 58 28 23 20 18 20 29 62 85 51 1977 *** 77 68 37 26 23 18 18 20 33 49 73 *** 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** 62 43 25 16 16 17 13 17 35 63 *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 52 56 51 29 24 17 15 17 16 22 39 62 33 1986 47 53 57 50 31 20 18 18 19 26 56 75 39 1987 56 43 53 30 30 16 20 21 23 51 38 61 37 1988 68 70 45 42 23 16 17 21 22 28 41 50 37 1989 74 71 53 32 24 15 17 17 18 23 47 63 38 1990 73 71 52 34 25 19 23 19 17 25 34 48 37 1991 69 70 58 29 21 17 15 15 16 32 37 66 37 1992 70 73 70 39 31 17 14 17 17 22 41 66 40 1993 60 69 *** *** 42 18 13 15 11 28 48 40 *** 1994 57 46 46 26 19 10 15 10 15 29 39 45 30 1995 42 36 27 27 27 19 12 11 12 21 27 51 26 1996 62 54 55 39 35 22 21 19 20 20 35 34 35 1997 55 54 53 38 28 21 18 12 12 18 41 47 33 1998 64 63 53 29 23 16 12 15 14 27 37 43 33 1999 66 57 47 35 20 15 23 13 13 19 42 57 34 2000 65 59 48 29 21 17 16 18 19 33 45 60 36 2001 52 56 43 28 26 23 17 16 22 25 44 55 34 2002 67 52 43 39 27 18 15 16 19 20 51 *** *** 2003 53 59 58 40 25 17 11 12 18 24 36 64 35 MEAN 63 61 56 40 31 22 19 19 23 30 44 62 39 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 17 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** 60 77 74 70 *** 1966 72 75 76 73 70 50 25 24 47 55 55 57 57 1967 66 60 64 73 71 71 54 53 61 65 66 67 64 1968 64 50 36 76 76 73 71 62 70 85 83 84 69 1969 73 69 87 70 75 77 76 80 77 76 72 77 76 1970 61 *** 70 38 35 25 45 19 25 42 46 75 *** 1971 92 *** 77 69 47 40 26 23 23 32 59 79 *** 1972 *** *** 77 62 53 36 26 41 37 24 49 *** *** 1973 *** *** 89 66 38 16 12 15 20 44 65 82 *** 1974 *** *** 73 *** 34 18 34 35 38 37 59 92 *** 1975 88 90 66 54 53 38 35 37 *** 61 73 97 *** 1976 97 97 91 76 56 48 48 47 52 66 84 94 71 1977 *** *** 75 52 50 44 38 35 34 68 72 *** *** 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** 82 63 55 43 44 44 23 33 53 83 *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 51 60 59 36 33 23 19 21 18 27 58 77 40 1986 61 60 68 59 35 22 22 20 25 39 68 73 46 1987 71 69 70 47 42 27 27 31 30 58 51 73 50 1988 75 76 55 52 42 22 21 24 24 34 50 59 45 1989 69 68 59 38 30 20 19 21 23 34 55 68 42 1990 71 70 57 40 26 21 29 23 20 32 43 57 41 1991 72 75 66 38 23 18 16 16 17 38 43 71 41 1992 77 75 73 47 35 19 17 20 14 24 47 71 43 1993 73 77 *** *** 39 20 16 15 14 32 51 48 *** 1994 65 52 52 32 24 12 16 12 19 43 51 63 37 1995 51 44 38 34 34 21 12 14 13 24 34 59 32 1996 68 59 61 43 39 24 22 18 19 28 45 48 40 1997 62 63 62 40 34 21 15 11 13 28 54 58 38 1998 67 72 61 36 28 18 15 16 20 35 44 51 39 1999 74 70 58 42 23 17 22 17 18 21 52 71 40 2000 70 77 63 37 26 19 18 20 21 42 54 70 43 2001 68 71 53 37 28 34 18 18 25 32 53 70 42 2002 71 71 52 47 30 19 16 18 22 25 61 *** *** 2003 66 78 75 51 32 22 14 16 21 30 46 75 44 MEAN 70 69 66 51 41 31 28 27 29 42 57 71 49 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 18 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** 0 0 0 9 *** 1966 3 6 5 0 0 0 0 0 0 0 7 9 30 1967 19 20 7 2 0 0 0 0 0 0 3 17 68 1968 20 25 8 0 0 0 0 0 0 0 0 8 61 1969 24 17 0 0 0 0 0 0 0 0 12 9 62 1970 21 5 0 1 0 0 0 0 0 2 11 29 69 1971 31 27 24 9 0 0 0 0 0 0 0 12 103 1972 22 21 0 0 0 0 0 0 0 0 2 30 75 1973 31 18 3 0 0 0 0 0 0 0 11 19 82 1974 31 26 11 *** 0 0 0 0 0 0 8 29 *** 1975 29 23 7 0 0 0 0 0 *** 2 22 26 *** 1976 26 22 17 1 0 0 0 0 0 0 10 21 97 1977 31 26 5 0 0 0 0 0 0 0 6 13 81 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** 15 0 0 0 0 0 0 0 1 22 *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 11 7 12 0 0 0 0 0 0 0 0 14 44 1986 11 7 4 0 0 0 0 0 0 0 8 21 51 1987 15 11 3 0 0 0 0 0 0 0 1 6 36 1988 15 15 0 2 0 0 0 0 0 0 5 8 45 1989 22 22 4 0 0 0 0 0 0 0 0 8 56 1990 17 17 9 0 0 0 0 0 0 0 0 6 49 1991 10 18 3 0 0 0 0 0 0 0 0 10 41 1992 26 17 16 3 0 0 0 0 0 0 1 5 68 1993 23 13 *** *** 0 0 0 0 0 0 0 0 *** 1994 13 8 0 0 0 0 0 0 0 0 0 10 31 1995 12 8 2 0 0 0 0 0 0 0 3 20 45 1996 25 9 1 0 0 0 0 0 0 0 3 6 44 1997 12 17 8 2 0 0 0 0 0 0 1 8 48 1998 22 21 5 0 0 0 0 0 0 0 0 8 56 1999 19 14 2 0 0 0 0 0 0 0 0 13 48 2000 24 26 8 0 0 0 0 0 0 0 2 23 83 2001 14 13 0 0 0 0 0 0 0 0 4 10 41 2002 24 9 1 0 0 0 0 0 0 0 10 *** *** 2003 21 9 11 0 0 0 0 0 0 0 10 29 80 MEAN 20 16 6 1 0 0 0 0 0 0 4 14 61 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 19 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** 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 *** 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** 0 0 0 0 0 0 0 0 0 0 *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 0 0 0 0 0 0 2 0 0 0 0 0 2 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 1 0 0 0 0 0 1 1991 0 0 0 0 0 0 2 0 0 0 0 0 2 1992 0 0 0 0 0 0 1 0 0 0 0 0 1 1993 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 *** *** 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 SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** 0 0 0 0 *** 1966 0 0 0 0 0 0 0 0 0 0 0 0 0 1967 1 4 0 0 0 0 0 0 0 0 0 1 6 1968 7 8 0 0 0 0 0 0 0 0 0 0 15 1969 0 6 0 0 0 0 0 0 0 0 0 0 6 1970 0 0 *** 0 0 0 0 0 0 0 0 3 *** 1971 0 0 0 0 0 0 0 0 0 0 0 5 5 1972 16 11 0 0 0 0 0 0 0 0 0 4 31 1973 10 0 0 0 0 0 0 0 0 0 0 3 13 1974 31 15 1 *** 0 0 0 0 0 0 0 1 *** 1975 9 0 0 0 0 0 0 0 *** 0 0 2 *** 1976 7 18 4 0 0 0 0 0 0 0 0 *** *** 1977 *** 3 0 0 0 0 0 0 0 *** 0 5 *** 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** 3 0 0 0 0 0 0 0 0 7 *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 0 1 0 0 0 0 0 0 0 0 0 0 1 1986 1 0 0 0 0 0 0 0 0 0 0 1 2 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 3 0 0 0 0 0 0 0 0 0 2 5 1989 9 9 0 0 0 0 0 0 0 0 0 0 18 1990 7 0 0 0 0 0 0 0 0 0 0 3 10 1991 1 2 0 0 0 0 0 0 0 0 0 1 4 1992 6 3 6 0 0 0 0 0 0 0 0 2 17 1993 11 0 *** *** 0 0 0 0 0 0 0 0 *** 1994 0 1 0 0 0 0 0 0 0 0 0 4 5 1995 0 0 0 0 0 0 0 0 0 *** 0 1 *** 1996 12 0 0 0 0 0 0 0 0 0 0 0 12 1997 1 2 2 0 0 0 0 0 0 0 0 0 5 1998 8 5 3 0 0 0 0 0 0 0 0 0 16 1999 1 0 0 0 0 0 0 0 0 0 0 3 4 2000 4 1 0 0 0 0 0 0 0 0 0 0 5 2001 1 0 0 0 0 0 0 0 0 0 0 0 1 2002 8 0 0 0 0 0 0 0 0 0 0 *** *** 2003 2 1 0 0 0 0 0 0 0 0 0 3 6 MEAN 5 3 1 0 0 0 0 0 0 0 0 2 11 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 21 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** 9 0 0 0 *** 1966 0 0 0 0 0 24 31 31 10 0 0 0 96 1967 0 0 0 0 0 9 30 31 20 0 0 0 90 1968 0 0 0 0 0 14 30 29 2 0 0 0 75 1969 0 0 0 0 0 11 30 27 4 0 0 0 72 1970 0 0 *** 0 7 30 31 31 17 2 0 0 *** 1971 0 0 0 0 0 21 28 27 12 0 0 0 88 1972 0 0 0 0 0 7 31 13 8 0 0 0 59 1973 0 0 0 0 0 10 31 31 5 0 0 0 77 1974 0 0 0 *** 0 1 27 30 4 0 0 0 *** 1975 0 0 0 0 0 13 31 31 *** 0 0 0 *** 1976 0 0 0 0 0 15 31 31 16 0 0 *** *** 1977 *** 0 0 0 0 15 30 30 5 *** 0 0 *** 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** 0 0 0 17 31 31 12 0 0 0 *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 0 0 0 0 3 22 31 27 21 0 0 0 104 1986 0 0 0 0 0 10 30 28 15 0 0 0 83 1987 0 0 0 0 0 26 26 30 14 0 0 0 96 1988 0 0 0 0 0 13 30 26 16 0 0 0 85 1989 0 0 0 0 1 23 31 31 11 0 0 0 97 1990 0 0 0 0 0 25 30 31 28 0 0 0 114 1991 0 0 0 0 0 18 31 31 15 0 0 0 95 1992 0 0 0 0 0 7 29 22 0 0 0 0 58 1993 0 0 *** *** 0 16 27 28 12 0 0 0 *** 1994 0 0 0 0 2 22 31 31 7 0 0 0 93 1995 0 0 0 0 0 10 30 31 18 *** 0 0 *** 1996 0 0 0 0 0 14 29 29 13 0 0 0 85 1997 0 0 0 0 0 16 31 31 8 0 0 0 86 1998 0 0 0 0 0 26 31 30 27 0 0 0 114 1999 0 0 0 0 5 29 29 31 27 1 0 0 122 2000 0 0 0 0 0 23 31 24 10 0 0 0 88 2001 0 0 0 0 3 23 31 31 9 0 0 0 97 2002 0 0 0 0 9 30 31 31 10 2 1 *** *** 2003 0 0 0 0 0 17 31 31 22 0 0 0 101 MEAN 0 0 0 0 1 17 30 29 13 0 0 0 90 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 22 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** 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 *** 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 *** 1975 0 0 0 0 0 0 0 1 *** 0 0 0 *** 1976 0 0 0 0 0 0 0 0 0 0 0 *** *** 1977 *** 0 0 0 0 0 0 0 0 *** 0 0 *** 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** 0 0 0 0 0 0 0 0 0 0 *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 0 0 0 0 0 0 0 0 0 0 0 0 0 1986 0 0 0 0 0 0 0 0 0 0 0 0 0 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 0 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 *** 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 *** 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 1 0 0 0 0 0 1 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 *** *** 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 23 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** 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 *** 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 *** 1975 0 0 0 0 0 0 0 0 *** 0 0 0 *** 1976 0 0 0 0 0 0 0 0 0 0 0 *** *** 1977 *** 0 0 0 0 0 0 0 0 *** 0 0 *** 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** 0 0 0 0 0 0 0 0 0 0 *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 0 0 0 0 0 0 0 0 0 0 0 0 0 1986 0 0 0 0 0 0 0 0 0 0 0 0 0 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 0 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 *** 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 *** 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 *** *** 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 SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1965 *** *** *** *** *** *** *** *** 0 0 9 29 *** 11 11 12 31 1966 14 22 17 3 0 0 0 0 0 0 23 21 100 11 4 4 6 1967 27 28 26 7 0 0 0 0 0 2 9 23 122 10 23 4 11 1968 23 27 12 6 0 0 0 0 0 1 6 16 91 10 30 4 26 1969 31 27 0 0 0 0 0 0 0 0 22 22 102 11 5 2 27 1970 31 15 2 5 1 0 0 0 1 7 26 31 119 9 16 5 31 1971 31 28 31 30 2 0 0 0 0 5 7 20 154 10 12 5 4 1972 29 26 17 0 0 0 0 0 0 0 20 31 123 11 1 3 27 1973 31 28 19 1 0 0 0 0 0 3 20 31 133 10 23 4 13 1974 31 28 16 *** 1 0 0 0 0 7 25 31 *** 10 15 5 2 1975 31 28 30 0 0 0 0 0 *** 12 27 31 *** 10 13 3 31 1976 31 29 31 6 0 0 0 0 0 2 28 31 158 10 30 4 11 1977 31 28 14 0 0 0 0 0 0 9 18 30 130 10 23 3 26 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1980 *** *** 18 4 0 0 0 0 2 16 18 29 *** 9 24 4 18 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1985 16 23 13 0 0 0 0 0 0 4 8 21 85 10 22 3 16 1986 24 23 22 0 0 0 0 0 0 1 14 25 109 10 17 3 30 1987 24 17 12 6 0 0 0 0 0 4 7 18 88 10 12 4 9 1988 27 25 7 6 0 0 0 0 0 0 13 13 91 11 1 4 8 1989 27 27 14 6 0 0 0 0 0 2 3 22 101 10 23 4 6 1990 26 28 18 3 0 0 0 0 0 1 9 22 107 10 19 4 24 1991 23 26 13 1 0 0 0 0 0 0 14 16 93 11 8 4 14 1992 31 25 27 9 0 0 0 0 0 0 8 19 119 11 1 4 19 1993 30 21 *** *** 0 0 0 0 0 0 5 7 *** 11 14 2 27 1994 26 26 2 0 0 0 0 0 0 0 0 19 73 12 4 3 2 1995 22 26 10 0 0 0 0 0 0 0 3 29 90 11 28 3 26 1996 31 23 27 4 0 0 0 0 0 0 16 19 120 11 2 4 17 1997 30 27 19 5 0 0 0 0 0 0 12 28 121 11 17 4 13 1998 30 28 14 0 0 0 0 0 0 0 6 26 104 11 10 3 20 1999 31 28 25 0 0 0 0 0 0 0 4 31 119 11 6 3 28 2000 31 29 23 0 0 0 0 0 0 0 10 29 122 11 16 3 27 2001 24 28 8 0 0 0 0 0 0 0 6 29 95 11 15 3 11 2002 27 25 15 1 0 0 0 0 0 0 12 *** *** 11 19 4 4 2003 28 28 27 0 0 0 0 0 0 0 16 31 130 11 15 3 27 MEAN 27 26 17 3 0 0 0 0 0 2 13 24 112 9 16 5 31 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 25 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. 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AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** 14.3 9.2 4.2 -3.1 ****** 1966 0.4 -0.6 2.1 4.6 9.2 10.4 5.2 3.9 7.5 4.3 -1.5 -2.7 3.6 1967 -6.9 -9.9 -6.9 1.9 8.5 14.4 12.5 11.6 9.7 6.0 0.5 -4.5 3.1 1968 -8.7 -14.4 -2.2 1.4 5.6 9.7 12.1 14.6 14.8 9.7 5.4 1.3 4.1 1969 -9.2 -11.8 3.0 3.7 9.3 12.2 15.1 18.3 13.1 9.7 -3.1 -1.8 4.9 1970 -7.6 ****** 4.3 0.0 4.6 6.4 14.1 6.4 1.7 1.8 -1.7 -6.4 ****** 1971 -1.8 ****** -0.6 0.9 4.2 6.7 4.8 3.1 1.0 -1.5 0.6 ****** ****** 1972 ****** ****** 1.0 3.9 3.2 4.3 6.4 6.1 3.6 -2.4 -2.7 ****** ****** 1973 ****** ****** ****** 4.4 3.0 -0.8 -1.7 0.7 0.7 2.3 -0.1 ****** ****** 1974 ****** ****** 2.0 ****** 1.9 1.8 5.3 6.6 2.6 -0.9 -0.1 -2.5 ****** 1975 -2.8 -1.7 -0.3 0.6 2.6 3.7 7.4 8.1 ****** 1.3 -2.5 -1.9 ****** 1976 ****** ****** ****** 0.9 2.2 6.8 8.3 7.8 4.2 1.5 ****** ****** ****** 1977 ****** ****** 1.3 1.7 2.6 5.4 7.9 5.3 2.1 1.6 0.4 ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** 1.3 2.6 5.1 7.0 6.0 -1.9 -3.6 -1.9 -4.5 ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 -4.3 -5.2 -3.1 -1.9 1.0 1.8 2.8 2.6 -0.3 -2.4 -0.4 -2.9 -1.0 1986 -5.6 -4.2 -2.3 2.8 0.9 1.7 4.7 3.5 1.0 1.4 -0.2 -3.6 0.0 1987 -2.7 -2.6 -1.0 -1.8 2.0 1.3 5.7 6.2 3.6 3.3 -0.7 -1.4 1.0 1988 -3.5 -3.5 -1.6 1.3 0.3 0.3 4.9 5.9 1.8 0.7 -0.9 -3.1 0.2 1989 -8.9 -9.5 -1.8 -0.5 0.5 1.3 4.6 3.8 -0.2 -0.5 0.8 -1.8 -1.0 1990 -6.1 -4.2 -2.2 -1.9 0.4 1.9 7.2 5.2 1.2 -0.7 -1.3 -4.3 -0.4 1991 -3.4 -5.2 0.0 -1.0 -2.2 1.3 2.0 0.9 -1.6 0.9 -2.3 -3.9 -1.2 1992 -9.0 -5.3 -5.8 -0.4 1.0 0.7 3.1 1.3 -2.8 -2.9 -2.1 -3.6 -2.1 1993 -7.8 -2.6 ****** ****** 2.8 0.0 -0.1 0.6 -4.2 -3.0 -1.9 -4.4 ****** 1994 -3.8 -5.2 -1.3 -1.0 -1.0 -5.6 1.6 -0.9 -2.2 -0.2 -1.9 -6.6 -2.3 1995 -5.0 -5.5 -4.4 -2.8 1.6 0.9 0.3 -0.2 -2.0 -2.3 -4.1 -4.9 -2.4 1996 -8.2 -3.1 -1.8 0.1 4.2 3.2 4.7 2.6 0.9 -1.5 -2.3 -4.4 -0.5 1997 -4.0 -5.4 -3.7 -0.9 0.3 1.9 3.0 -0.2 -3.4 -2.3 -0.2 -2.5 -1.5 1998 -6.6 -5.4 -1.8 0.0 0.6 2.1 1.7 3.2 1.6 0.6 0.1 -2.2 -0.5 1999 -3.7 -2.6 -2.0 0.6 -0.3 0.7 5.9 1.1 -0.3 -1.2 -0.2 -3.0 -0.4 2000 -5.5 -5.5 -2.1 -0.2 0.7 1.0 2.6 2.3 0.4 0.4 0.2 -2.8 -0.7 2001 -3.7 -3.9 -0.5 -0.2 0.7 3.8 4.5 2.4 1.4 -0.1 -0.9 -2.6 0.1 2002 -7.8 -2.6 -0.5 0.4 0.7 1.4 0.7 1.5 0.1 -0.6 -0.7 ****** ****** 2003 -5.5 -3.1 -2.9 0.4 -0.4 -0.1 -0.5 -0.3 0.0 2.1 -0.6 -5.5 -1.4 MEAN -5.4 -5.1 -1.2 0.6 2.3 3.3 5.1 4.4 2.1 0.9 -0.7 -3.3 0.2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 27 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** 13.41 9.40 6.63 4.40 ****** 1966 5.07 4.69 5.84 6.90 9.54 10.58 7.25 6.40 8.26 6.69 4.35 3.97 6.63 1967 3.09 2.45 3.00 5.63 8.82 13.18 11.45 10.70 9.41 7.39 5.08 3.62 6.98 1968 2.90 2.04 4.27 5.53 7.31 9.96 11.72 13.39 13.74 9.91 7.19 5.40 7.78 1969 2.71 2.41 6.19 6.58 9.64 11.16 13.59 17.22 12.55 9.55 4.04 4.24 8.32 1970 2.97 ****** 6.74 4.89 6.84 7.96 13.14 7.93 5.86 5.66 4.38 3.18 ****** 1971 4.47 ****** 4.73 5.31 6.57 8.11 6.95 6.07 5.17 4.31 5.03 ****** ****** 1972 ****** ****** 5.22 6.38 6.03 6.54 7.57 7.54 6.29 4.04 3.95 ****** ****** 1973 ****** ****** ****** 6.66 6.03 4.53 4.29 4.99 5.01 5.62 4.84 ****** ****** 1974 ****** ****** 5.53 ****** 5.46 5.44 6.99 7.72 5.72 4.54 4.82 4.14 ****** 1975 4.04 4.34 4.70 4.98 5.82 6.20 8.12 8.60 ****** 5.31 4.29 4.20 ****** 1976 ****** ****** ****** 5.10 5.65 8.04 8.66 8.48 6.44 5.39 ****** ****** ****** 1977 ****** ****** 5.27 5.41 5.86 7.22 8.57 7.00 5.54 5.37 4.91 ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** 5.35 5.85 6.98 7.95 7.41 4.42 3.72 4.18 3.53 ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 3.62 3.34 4.00 4.22 5.29 5.50 5.88 5.75 4.66 4.10 4.76 4.04 4.60 1986 3.25 3.61 4.20 5.99 5.26 5.49 6.68 6.16 5.16 5.33 4.81 3.89 4.99 1987 4.10 4.23 4.50 4.27 5.66 5.28 7.27 7.62 6.19 6.24 4.66 4.47 5.37 1988 3.83 3.86 4.35 5.45 5.03 4.94 6.85 7.33 5.58 5.06 4.59 3.94 5.07 1989 2.74 2.74 4.23 4.72 5.07 5.29 6.64 6.27 4.78 4.66 5.21 4.36 4.73 1990 3.22 3.60 4.21 4.24 4.94 5.88 8.15 6.99 5.19 4.58 4.37 3.64 4.92 1991 3.82 3.54 4.93 4.55 4.20 5.28 5.55 5.12 4.27 5.20 4.09 3.75 4.53 1992 2.84 3.40 3.57 4.74 5.26 5.10 6.16 5.34 4.01 3.93 4.30 3.80 4.37 1993 2.88 4.13 ****** ****** 5.89 4.95 4.92 5.02 3.56 3.94 4.38 3.58 ****** 1994 3.74 3.38 4.43 4.43 4.51 3.20 5.40 4.54 4.16 4.89 4.39 3.08 4.18 1995 3.36 3.27 3.55 4.01 5.46 5.21 4.96 4.75 4.14 4.04 3.53 3.39 4.14 1996 2.89 3.88 4.23 4.88 6.62 6.16 6.77 5.79 5.17 4.29 4.10 3.52 4.86 1997 3.63 3.39 3.82 4.53 4.94 5.56 5.97 4.77 3.78 4.17 4.76 4.03 4.45 1998 3.19 3.38 4.47 4.84 5.09 5.63 5.52 6.02 5.36 5.00 4.84 4.16 4.79 1999 3.76 4.07 4.20 5.06 4.64 5.00 7.46 5.13 4.64 4.37 4.74 4.06 4.76 2000 3.37 3.50 4.17 4.75 5.02 5.09 5.78 5.62 4.89 4.97 4.90 4.05 4.68 2001 3.78 3.73 4.63 4.70 5.02 6.40 6.68 5.64 5.34 4.74 4.56 4.05 4.94 2002 2.99 4.01 4.68 4.94 5.03 5.29 5.00 5.26 4.78 4.57 4.66 ****** ****** 2003 3.38 3.91 3.95 4.96 4.64 4.69 4.63 4.66 4.74 5.77 4.57 3.32 4.43 MEAN 3.45 3.54 4.56 5.13 5.84 6.43 7.27 6.91 6.01 5.36 4.69 3.92 5.26 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 28 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** 17.17 12.06 8.52 5.65 ****** 1966 6.50 6.01 7.49 8.86 12.24 13.62 9.41 8.32 10.67 8.62 5.60 5.11 8.54 1967 3.96 3.13 3.85 7.24 11.33 16.89 14.75 13.80 12.13 9.50 6.53 4.64 8.98 1968 3.71 2.61 5.49 7.11 9.41 12.80 15.05 17.19 17.58 12.70 9.21 6.92 9.98 1969 3.47 3.08 7.93 8.45 12.36 14.33 17.44 21.95 16.06 12.26 5.19 5.44 10.66 1970 3.80 ****** 8.65 6.30 8.84 10.29 16.86 10.26 7.59 7.31 5.65 4.07 ****** 1971 5.72 ****** 6.06 6.82 8.48 10.48 9.02 7.87 6.71 5.57 6.47 ****** ****** 1972 ****** ****** 6.69 8.21 7.77 8.47 9.83 9.76 8.15 5.23 5.09 ****** ****** 1973 ****** ****** ****** 8.56 7.80 5.91 5.60 6.51 6.50 7.26 6.23 ****** ****** 1974 ****** ****** 7.12 ****** 7.07 7.07 9.07 10.00 7.41 5.86 6.20 5.30 ****** 1975 5.16 5.55 6.03 6.42 7.50 8.04 10.53 11.15 ****** 6.84 5.50 5.37 ****** 1976 ****** ****** ****** 6.55 7.28 10.39 11.20 10.96 8.32 6.94 ****** ****** ****** 1977 ****** ****** 6.76 6.97 7.56 9.34 11.10 9.07 7.17 6.91 6.30 ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** 6.89 7.54 9.03 10.29 9.59 5.73 4.81 5.37 4.52 ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 4.65 4.28 5.14 5.45 6.84 7.14 7.65 7.46 6.06 5.30 6.12 5.17 5.94 1986 4.17 4.63 5.39 7.70 6.80 7.12 8.68 8.00 6.70 6.89 6.18 4.98 6.44 1987 5.26 5.44 5.78 5.50 7.31 6.84 9.42 9.86 8.02 8.02 6.00 5.73 6.93 1988 4.90 4.94 5.60 7.01 6.50 6.42 8.89 9.50 7.23 6.55 5.91 5.06 6.54 1989 3.51 3.51 5.44 6.08 6.55 6.88 8.63 8.15 6.21 6.02 6.71 5.59 6.11 1990 4.12 4.62 5.41 5.48 6.40 7.61 10.55 9.08 6.74 5.93 5.63 4.68 6.35 1991 4.90 4.53 6.33 5.88 5.44 6.86 7.23 6.68 5.56 6.71 5.27 4.81 5.85 1992 3.63 4.35 4.57 6.10 6.79 6.63 8.01 6.94 5.21 5.09 5.53 4.87 5.64 1993 3.69 5.29 ****** ****** 7.60 6.42 6.40 6.53 4.63 5.09 5.64 4.60 ****** 1994 4.80 4.33 5.70 5.73 5.84 4.17 7.04 5.92 5.41 6.31 5.65 3.95 5.41 1995 4.32 4.20 4.57 5.17 7.05 6.76 6.46 6.19 5.40 5.23 4.56 4.35 5.35 1996 3.70 4.97 5.43 6.29 8.54 7.99 8.78 7.53 6.71 5.55 5.29 4.52 6.28 1997 4.66 4.35 4.91 5.84 6.39 7.22 7.76 6.21 4.92 5.40 6.13 5.18 5.75 1998 4.09 4.33 5.73 6.24 6.59 7.32 7.18 7.83 6.97 6.47 6.24 5.35 6.20 1999 4.82 5.23 5.39 6.53 6.02 6.51 9.67 6.69 6.05 5.68 6.10 5.21 6.16 2000 4.31 4.49 5.36 6.14 6.51 6.63 7.52 7.31 6.36 6.42 6.31 5.19 6.05 2001 4.86 4.78 5.95 6.08 6.51 8.30 8.68 7.35 6.92 6.13 5.87 5.20 6.38 2002 3.83 5.14 6.02 6.36 6.52 6.89 6.52 6.86 6.21 5.93 5.99 ****** ****** 2003 4.34 5.02 5.07 6.38 6.00 6.10 6.05 6.08 6.16 7.46 5.89 4.25 5.73 MEAN 4.42 4.53 5.85 6.61 7.54 8.33 9.42 8.96 7.77 6.91 6.03 5.03 6.78 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 29 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 ****** ****** ****** ****** ****** ****** ****** ****** 9.62 4.60 3.84 2.97 ****** 1966 2.79 2.33 2.75 3.77 7.04 15.45 25.55 27.15 15.21 8.13 6.82 4.58 10.13 1967 3.08 2.78 3.98 5.13 7.32 9.77 19.47 20.45 13.67 6.84 4.28 2.68 8.29 1968 2.86 2.98 4.09 5.13 7.65 14.14 17.69 16.65 8.49 5.22 2.02 1.25 7.35 1969 2.00 2.63 3.20 5.28 5.35 10.59 15.28 9.32 7.79 6.63 3.68 3.30 6.25 1970 2.47 ****** 3.48 8.61 13.71 20.79 16.50 22.59 17.09 10.83 7.21 1.78 ****** 1971 0.68 ****** 1.95 3.54 10.76 19.43 28.19 23.18 18.82 10.55 4.76 ****** ****** 1972 ****** ****** 2.34 5.56 8.16 18.32 28.66 20.65 18.32 14.89 6.56 ****** ****** 1973 ****** ****** ****** 5.10 13.69 26.78 29.80 31.21 19.85 10.87 6.47 ****** ****** 1974 ****** ****** 5.29 ****** 15.87 24.39 23.52 23.60 16.56 10.17 6.65 1.19 ****** 1975 1.02 1.15 3.50 7.55 11.21 18.50 29.99 30.30 ****** 8.53 3.43 0.44 ****** 1976 ****** ****** ****** 3.37 9.16 17.97 22.11 21.68 14.93 7.74 ****** ****** ****** 1977 ****** ****** 2.44 7.69 10.82 17.26 26.84 22.38 15.87 8.24 3.39 ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** 6.17 11.01 19.21 23.41 20.73 19.69 13.04 5.85 2.30 ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 4.04 3.10 4.14 9.82 13.96 23.21 29.67 24.32 23.70 12.93 5.90 2.21 13.08 1986 3.35 3.47 3.43 5.70 12.72 20.76 27.17 25.80 19.71 12.64 3.60 1.98 11.69 1987 3.19 4.40 3.59 8.36 12.29 20.17 24.38 22.68 18.41 6.87 6.81 3.02 11.18 1988 1.95 1.98 5.27 7.12 13.13 21.37 28.50 24.78 20.32 12.30 6.62 4.34 12.31 1989 1.36 1.48 3.86 9.49 15.09 25.27 29.79 27.96 20.79 13.33 5.94 2.67 13.09 1990 1.74 1.98 4.71 9.47 16.55 23.63 25.45 27.50 24.00 12.23 8.05 4.66 13.33 1991 2.09 1.91 3.83 10.83 15.29 24.34 31.56 31.08 23.98 10.58 7.35 2.67 13.79 1992 1.42 1.61 1.96 7.23 10.62 22.33 30.45 25.16 21.15 13.10 6.64 2.53 12.02 1993 1.99 2.03 ****** ****** 10.51 21.37 27.87 28.31 24.48 11.03 5.38 5.49 ****** 1994 3.22 3.69 5.13 12.03 16.52 26.38 33.31 35.59 20.95 10.11 6.15 3.40 14.71 1995 4.16 4.74 6.64 9.39 13.26 21.78 33.97 33.65 28.15 14.87 8.29 3.50 15.20 1996 2.16 3.37 3.44 7.76 12.61 22.44 24.76 26.41 22.20 14.86 7.25 5.58 12.74 1997 3.40 3.21 3.62 8.29 12.77 21.61 30.12 32.26 22.87 15.06 6.03 4.16 13.62 1998 2.14 2.12 3.98 10.93 15.53 27.70 33.09 30.79 26.70 14.50 7.56 5.58 15.05 1999 2.21 3.02 4.66 9.28 18.31 29.23 27.86 30.86 27.56 19.35 6.23 3.07 15.14 2000 2.21 2.30 4.04 10.58 18.40 27.35 30.98 27.62 21.68 10.13 6.44 2.75 13.71 2001 3.19 2.80 5.77 11.01 16.32 22.11 30.00 29.29 20.11 13.98 6.24 2.97 13.65 2002 1.90 3.11 5.73 7.70 16.14 26.44 30.18 29.41 21.21 17.66 5.38 ****** ****** 2003 2.93 2.36 2.67 7.08 13.48 23.57 34.12 31.97 23.01 15.36 8.28 1.89 13.89 MEAN 2.44 2.69 3.91 7.63 12.66 21.36 27.19 26.10 19.59 11.43 5.91 3.07 12.00 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 30 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. AVERAGE OF RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** 65 74 70 64 *** 1966 71 74 75 71 66 48 29 26 45 52 50 57 55 1967 57 55 53 62 63 65 48 47 54 63 65 66 58 1968 57 47 62 63 61 56 55 57 71 77 83 85 65 1969 64 55 75 67 72 64 62 74 68 70 65 68 67 1970 62 *** 72 46 42 35 51 35 36 44 47 75 *** 1971 89 *** 76 67 48 38 27 29 30 38 63 *** *** 1972 *** *** 77 62 52 35 29 35 35 31 49 *** *** 1973 *** *** *** 64 38 19 17 18 29 47 56 *** *** 1974 *** *** 62 *** 35 24 29 32 35 41 55 85 *** 1975 86 86 67 48 46 34 29 30 *** 53 65 93 *** 1976 *** *** *** 69 48 38 38 39 43 56 *** *** *** 1977 *** *** 76 50 45 38 34 35 37 59 70 *** *** 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** *** 56 46 37 35 39 27 34 55 76 *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 57 63 61 41 39 29 25 29 27 35 56 71 44 1986 60 63 65 63 41 32 30 30 31 42 68 72 50 1987 66 59 65 45 42 31 35 37 37 61 52 68 50 1988 72 72 55 53 38 28 30 33 32 40 52 59 47 1989 70 68 63 46 37 27 28 27 29 38 58 69 47 1990 70 71 58 43 33 29 35 30 27 39 47 56 45 1991 71 70 65 39 30 26 22 21 23 44 47 67 44 1992 69 73 69 50 43 27 26 27 24 34 50 68 47 1993 65 72 *** *** 46 27 22 23 20 36 55 48 *** 1994 62 57 56 37 31 17 20 18 24 42 50 58 39 1995 54 52 46 40 40 30 20 19 19 28 39 60 37 1996 63 62 64 49 45 29 29 26 27 32 48 49 44 1997 63 61 61 47 38 28 25 20 23 31 53 58 42 1998 66 68 62 41 34 24 22 25 24 37 50 55 42 1999 70 66 59 45 29 21 32 21 21 26 52 66 42 2000 68 66 61 41 28 21 22 23 25 42 53 67 43 2001 63 66 55 39 32 32 27 23 28 33 53 66 43 2002 66 65 56 49 32 22 19 20 24 28 58 *** *** 2003 64 70 68 51 33 23 17 18 23 39 47 70 44 MEAN 66 65 64 51 42 32 30 30 33 44 56 67 48 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 31 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. AVERAGE OF MAXIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** 70 83 79 78 *** 1966 81 84 84 76 74 55 41 38 58 59 66 69 65 1967 69 72 71 74 74 73 60 64 71 78 81 80 72 1968 73 68 79 80 79 76 76 73 86 91 92 91 80 1969 76 76 93 87 83 78 80 84 78 84 89 87 83 1970 76 *** 79 59 54 45 61 54 53 58 57 85 *** 1971 97 *** 83 73 58 50 38 43 44 54 78 *** *** 1972 *** *** 89 69 62 47 44 47 50 51 67 *** *** 1973 *** *** *** 70 44 24 25 24 46 69 78 *** *** 1974 *** *** 75 *** 48 32 37 39 46 58 73 95 *** 1975 95 93 77 59 61 45 39 42 *** 71 83 99 *** 1976 *** *** *** 79 61 53 50 53 58 73 *** *** *** 1977 *** *** 84 62 58 49 47 52 57 78 88 *** *** 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** *** 67 61 52 47 56 46 52 77 87 *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 73 81 76 58 62 49 40 49 47 59 75 81 63 1986 78 79 78 80 59 54 49 51 48 61 80 80 66 1987 77 74 77 62 56 50 58 59 59 75 69 79 66 1988 81 81 68 67 51 45 52 56 52 58 66 72 62 1989 81 75 77 68 58 45 48 44 45 58 75 80 63 1990 78 79 70 58 51 47 53 49 45 59 64 69 60 1991 80 80 78 57 47 42 34 32 35 63 62 77 57 1992 79 81 78 65 64 44 48 44 40 56 66 77 62 1993 78 80 *** *** 61 44 37 38 34 49 70 63 *** 1994 72 75 72 52 51 31 30 32 39 58 62 72 54 1995 71 77 72 61 60 50 38 32 33 40 55 72 55 1996 75 74 77 68 63 41 45 40 42 49 66 65 59 1997 77 74 73 64 53 43 41 38 43 49 65 74 58 1998 77 78 76 59 52 39 40 43 37 50 71 73 58 1999 79 77 75 58 43 31 51 33 33 38 64 77 55 2000 79 79 75 57 37 29 31 33 36 52 60 77 54 2001 75 78 69 52 41 44 45 35 37 41 64 78 55 2002 78 77 72 60 42 29 26 26 31 40 66 *** *** 2003 77 79 79 64 42 29 26 26 30 64 59 79 55 MEAN 78 78 77 66 57 46 45 45 48 60 71 78 62 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 32 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. AVERAGE OF MINIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** 59 65 60 50 *** 1966 62 64 66 66 56 40 20 17 32 45 30 43 45 1967 42 36 29 44 49 54 32 25 32 46 49 51 41 1968 37 24 36 36 33 22 18 35 58 57 76 80 43 1969 48 27 51 44 59 41 32 60 58 53 36 45 46 1970 48 *** 65 34 31 24 42 18 21 32 37 66 *** 1971 82 *** 69 59 38 22 17 19 20 27 48 *** *** 1972 *** *** 66 55 41 22 17 19 18 17 32 *** *** 1973 *** *** *** 59 32 15 11 15 19 27 38 *** *** 1974 *** *** 44 *** 22 17 20 22 21 28 37 74 *** 1975 76 78 56 34 32 19 15 14 *** 27 43 85 *** 1976 *** *** *** 58 28 22 20 18 20 29 *** *** *** 1977 *** *** 67 37 26 23 18 18 19 33 49 *** *** 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 *** *** *** 41 25 16 16 17 13 17 35 62 *** 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 43 49 47 28 22 17 15 16 15 21 38 60 31 1986 44 47 53 47 30 19 17 18 19 26 54 61 36 1987 52 40 51 29 29 16 20 21 23 50 37 55 35 1988 63 63 41 38 21 16 17 20 19 28 40 47 34 1989 58 59 51 30 24 15 16 17 17 23 45 58 34 1990 62 63 48 32 23 18 23 18 17 25 33 43 34 1991 63 58 54 25 20 16 14 14 16 31 36 55 34 1992 54 63 57 38 28 16 13 16 14 21 38 58 35 1993 50 63 *** *** 35 16 12 14 11 27 42 34 *** 1994 53 43 41 26 19 9 14 10 15 29 38 43 28 1995 41 35 27 27 27 18 11 11 12 21 28 49 26 1996 51 51 54 37 33 21 20 16 18 20 34 33 32 1997 49 46 48 34 26 19 14 11 12 18 40 45 30 1998 53 56 50 28 22 16 11 14 14 26 37 42 31 1999 60 53 45 34 19 14 19 13 13 19 42 53 32 2000 55 53 47 29 21 16 16 17 18 33 45 56 34 2001 50 52 43 28 25 22 16 16 21 25 43 53 33 2002 52 51 42 39 25 17 15 16 19 20 49 *** *** 2003 50 58 55 40 25 17 11 12 17 24 36 59 34 MEAN 54 51 50 39 30 20 18 18 22 30 41 54 36 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 33 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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 1964 *** *** *** *** *** *** *** *** *** *** *** *** *** 1965 *** *** *** *** *** *** *** *** 0 4 4 2 *** 1966 4 4 5 1 1 0 0 0 0 5 0 3 23 1967 3 7 2 1 3 0 0 0 0 0 5 0 21 1968 2 6 6 5 8 0 0 0 0 2 8 3 40 1969 11 3 11 6 3 0 0 2 0 2 2 4 44 1970 1 1 0 4 0 0 0 0 0 0 1 3 10 1971 1 1 5 8 2 0 2 1 0 0 10 3 33 1972 9 2 4 6 11 0 0 1 0 0 5 4 42 1973 7 2 5 2 1 0 0 0 0 0 2 1 20 1974 9 3 1 *** 2 0 0 0 0 1 2 6 *** 1975 9 2 3 4 5 0 0 0 *** 0 7 9 *** 1976 7 7 9 10 3 1 0 0 0 5 2 4 48 1977 7 1 5 5 5 0 0 0 0 6 3 6 38 1978 *** *** *** *** *** *** *** *** *** *** *** *** *** 1979 *** *** *** *** *** *** *** *** *** *** *** *** *** 1980 8 8 7 5 1 0 0 0 0 1 6 3 39 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 4 3 6 3 3 0 0 0 0 0 3 6 28 1986 1 4 9 11 2 0 0 0 0 1 7 3 38 1987 4 7 11 2 3 0 1 0 0 9 2 7 46 1988 2 5 5 7 0 0 0 0 0 1 4 4 28 1989 7 5 5 3 1 0 0 0 0 1 6 5 33 1990 3 3 7 3 2 0 0 0 0 3 2 1 24 1991 3 5 7 2 0 0 0 0 0 3 3 7 30 1992 3 3 3 6 7 1 0 0 0 0 5 8 36 1993 4 7 *** *** 5 0 0 0 0 1 5 3 *** 1994 3 3 10 5 3 0 0 0 0 5 10 5 44 1995 2 3 5 7 9 3 0 0 0 0 0 2 31 1996 7 8 14 8 2 0 0 0 1 0 2 2 44 1997 0 1 8 5 5 0 0 0 0 0 1 3 23 1998 7 3 8 5 3 0 0 0 0 2 1 0 29 1999 3 5 5 3 0 0 0 0 0 0 2 3 21 2000 4 2 3 1 0 0 0 0 0 3 2 4 19 2001 2 0 2 1 1 2 0 0 0 2 1 5 16 2002 2 1 6 2 1 0 0 0 0 0 4 *** *** 2003 4 3 4 8 2 0 0 0 0 1 1 4 27 MEAN 4 4 6 5 3 0 0 0 0 2 4 4 32 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 34 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. HIGHEST AND LOWEST LIMITS FOR 40 YEARS DURING 1964-2003 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. HIG. DRY 03 9.8 7.2 14.0 19.0 22.0 29.0 28.2 26.0 27.8 18.2 13.2 10.0 1 YEAR - DAY 1994- 2 1987- 4 1970-12 1970-11 1970-19 1973-28 1999-16 1975- 8 2003-26 1997- 7 1990-11 1966- 1 LOW. DRY 03 -24.2 -25.0 -21.0 -5.0 2.4 2.0 1.8 1.5 4.4 -2.0 -7.0 -15.0 2 YEAR - DAY 1992- 5 1989- 6 1992-13 1967- 2 1989- 1 1977-10 1977- 7 1977- 7 1985-21 1975-24 1975- 7 1970-16 HIG. WET 03 6.4 6.0 12.0 13.4 15.2 17.2 21.2 18.0 15.5 13.8 10.8 7.4 3 YEAR - DAY 1994- 2 1973-16 1969-31 1969- 2 1966-17 1966-22 1968- 9 1970- 1 1966-12 2003-23 1968-14 1966- 1 LOW. WET 03 -25.2 -25.2 -22.2 -6.8 0.0 1.3 1.2 1.0 1.0 -3.0 -7.4 -15.4 4 YEAR - DAY 1992- 5 1989- 6 1992-13 1967- 2 1985- 5 1977-10 1977- 7 1977- 7 1989-30 1985-22 2002-25 1990-28 HIG. DRY 09 16.5 18.0 19.0 26.2 31.8 36.4 43.0 39.0 35.4 29.6 24.0 21.8 5 YEAR - DAY 1966- 7 1966-26 1969-31 1998-14 1999-30 2000-30 1999-20 1987-27 1999- 6 1999- 6 1974- 2 1998-10 LOW. DRY 09 -13.0 -10.0 -11.2 2.0 7.0 2.4 3.4 3.0 17.0 5.0 -1.2 -8.4 6 YEAR - DAY 1989-31 1989- 5 1992-14 1976- 5 1986- 4 1977-10 1977- 7 1977- 7 1970-23 1965-29 1993-14 1994- 6 HIG. WET 09 13.2 15.0 16.5 17.2 23.0 29.6 26.4 27.8 27.2 21.2 15.6 13.2 7 YEAR - DAY 1966- 2 1966-26 1970-12 1966-29 1988-28 1967-29 1967- 1 1969- 1 1968-12 1968- 1 2000- 1 1988- 1 LOW. WET 09 -13.2 -12.0 -12.0 1.0 5.0 1.2 1.7 1.5 8.8 4.0 -2.2 -9.4 8 YEAR - DAY 1989-31 1989- 5 1992-14 1967- 2 1980- 8 1977-10 1977- 7 1977- 7 1994-22 1977-30 1993-14 1994- 6 HIG. DRY 15 11.8 12.6 17.0 24.2 28.6 34.0 37.2 35.6 31.6 27.8 18.8 16.4 9 YEAR - DAY 1994- 1 1995-21 1968-14 1997-26 1994-31 1970-30 1992- 6 1994- 5 1995-15 2002- 6 1996- 6 1998- 9 LOW. DRY 15 -14.0 -16.2 -10.0 -5.4 5.0 2.3 3.0 2.3 11.0 2.6 -2.5 -12.0 10 YEAR - DAY 1969- 9 1989-15 1976- 2 1997-11 1986- 4 1977-10 1977- 7 1977- 7 1976-21 1965-29 1969-12 1980-21 HIG. WET 15 7.2 7.4 12.8 14.0 18.8 24.0 26.0 27.0 22.8 19.8 11.8 9.0 11 YEAR - DAY 1994- 1 1987- 9 1969-31 1998-19 1996-19 1968-27 1970- 2 1969-25 1968-14 1968- 1 1965- 4 1989- 1 LOW. WET 15 -15.2 -17.0 -10.0 -6.4 3.4 1.5 2.0 1.5 7.0 2.0 -7.4 -12.0 12 YEAR - DAY 1969-10 1989-15 1976- 2 1997-11 1988- 6 1977-10 1977- 7 1977- 7 1971-20 1976-30 1993-14 1965-22 HIG. MIN. 5.5 5.5 11.0 14.0 16.0 20.0 25.0 20.0 18.0 16.5 12.0 10.0 13 YEAR - DAY 1966-30 1993-22 1969-31 1987-17 1986-29 1996- 6 1992-31 1990- 6 1966- 1 1997- 7 1988- 9 1990- 5 LOW. MIN. -26.0 -27.0 -22.0 -8.5 -1.0 1.0 1.2 1.0 0.0 -4.0 -14.0 -20.0 14 YEAR - DAY 1977-14 1989- 6 1992-13 1967- 2 1971- 3 1970- 9 1977- 7 1977- 7 1970-16 1970-26 1973- 7 1970-16 HIG. MAX. 18.0 19.0 20.0 26.5 33.0 38.0 43.0 40.0 37.0 30.5 30.0 22.0 15 YEAR - DAY 1966- 2 1966-26 1969-31 1997-26 1994-31 2000-30 1999-20 1975-15 1970- 1 1999- 6 2002-28 1998-10 LOW. MAX. -9.0 -12.0 -4.0 2.0 7.0 2.9 3.6 3.1 19.0 5.5 3.0 -6.0 16 YEAR - DAY 1989-31 1974- 4 1997- 9 1976- 5 1986- 4 1977-10 1977- 7 1977- 7 1969-13 1965-29 2001-18 1972-25 HIG. PPTN 68.8 77.0 57.4 56.4 49.0 13.0 6.0 19.0 8.2 54.0 64.0 62.0 17 YEAR - DAY 2000-28 1992-25 1998-29 2003-22 1995-31 1995- 3 1971-31 1969-29 1996- 1 1987-23 1994- 7 1985-19 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 35 STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. HIGHEST LIMITS OF ABSOLUTE DIFFERENCES FOR 40 YEARS DURING 1964-2003 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. DRY 09 - DRY 03 18.0 26.2 20.4 19.2 19.0 24.2 23.0 23.0 23.6 22.2 21.2 19.4 18 YEAR - DAY 1970- 5 1987-11 1990-10 1990-23 1985-30 1990-22 1999-20 1987-27 1988-15 1989-11 1990-27 1998-10 DRY 15 - DRY 09 14.0 14.0 15.0 14.0 16.0 19.8 17.0 23.0 15.5 15.0 15.0 14.8 19 YEAR - DAY 1966- 2 1968-19 1967-11 1967-17 1988-17 2001-23 1969-16 1969-10 1967-12 1977- 9 1969-24 1988- 1 DRY 15 - DRY 03 15.0 18.2 18.4 17.4 18.2 21.8 20.0 19.0 21.8 17.3 15.4 15.4 20 YEAR - DAY 1985-27 1987-11 1990-22 1990-23 1990-15 1990-22 1987-10 1991-30 1985-25 1986-18 1985- 1 1998- 9 WET 09 - WET 03 16.6 21.4 16.4 12.4 14.6 15.0 14.0 15.4 17.0 16.8 15.0 18.2 21 YEAR - DAY 1998-23 1987-11 1990-22 1966-29 1969-22 1966-20 1990- 2 1969-19 1965-18 1968-30 1975- 7 1986- 8 WET 15 - WET 09 13.2 13.2 12.0 9.2 15.0 16.5 12.8 17.4 11.0 8.0 11.1 12.0 22 YEAR - DAY 1966- 2 1968-19 1971-15 1967-17 1988-28 1966-20 1969- 5 1969-10 1988-12 1997- 7 1969-23 1965-22 WET 15 - WET 03 15.0 18.0 17.2 10.2 9.4 13.0 12.8 13.0 13.4 14.2 11.0 12.0 23 YEAR - DAY 1992-29 1987-11 1992-13 1990-23 1996-19 1990-30 1990- 2 1968- 5 1968-29 1968- 4 1975- 6 1965- 3 DAY BY DAY DRY 03 15.4 16.5 16.0 11.0 11.0 19.0 19.2 16.5 13.4 14.0 11.0 14.4 24 YEAR - DAY 1992-14 1969-17 1992-15 1992-19 1985- 5 1977-11 1977- 7 1977- 7 2003-26 1967-23 2002-19 1999- 7 DAY BY DAY WET 03 15.2 16.2 14.8 9.2 7.0 12.7 11.8 11.0 8.2 11.0 9.0 14.2 25 YEAR - DAY 1992-14 1987-11 1992-15 1997-11 1970-30 1977-11 1977- 7 1977- 7 1993-26 1967-23 1985- 3 1999- 7 DAY BY DAY DRY 09 14.5 13.4 16.6 12.0 11.0 22.6 31.6 29.0 6.0 15.4 12.0 11.0 26 YEAR - DAY 1967-21 1969-17 1992-15 1971-13 1969-16 1977-10 1977- 8 1977- 8 1970-25 1998-10 1993-14 1999- 4 DAY BY DAY WET 09 14.9 8.8 14.4 11.0 11.0 11.8 16.3 14.5 10.2 8.4 7.6 9.8 27 YEAR - DAY 1967-21 1968-27 1992-15 1971-13 1988-29 1977-10 1977- 8 1977- 8 1988-13 1968-30 1993-14 1999- 4 DAY BY DAY DRY 15 13.0 13.0 10.8 11.8 15.2 22.7 27.0 22.7 10.4 13.0 10.7 12.0 28 YEAR - DAY 1967-21 1968-20 1990-22 1997-11 1990-12 1977-11 1977- 8 1977- 7 1992- 1 1998-10 1993-15 1965-22 DAY BY DAY WET 15 13.6 13.2 8.4 8.8 6.6 14.5 18.0 14.5 8.0 9.0 13.0 12.0 29 YEAR - DAY 1967-21 1989-17 1997- 7 1997-12 1996-20 1977-10 1977- 8 1977- 7 1970-11 1994-12 1993-14 1965-22 DAY BY DAY MIN. 15.0 14.0 15.0 10.0 10.0 11.2 11.8 11.0 10.0 10.0 14.0 14.0 30 YEAR - DAY 1977-22 1974- 4 1992-16 1970-28 1985- 2 1977-11 1977- 7 1977- 7 1993-26 1967-23 1973- 7 1999- 7 DAY BY DAY MAX. 14.0 11.0 8.5 11.5 11.5 27.1 33.4 30.9 5.0 15.5 24.5 10.5 31 YEAR - DAY 1967-21 1977- 4 1987-30 1997-11 1969-16 1977-11 1977- 8 1977- 8 1969-14 1998-10 2002-28 1999- 4 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. MEAN AND EXTREMES FOR THE YEAR 1964 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** ***** ***** NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** *** *** *** *** *** DATE OF START AND END FREEZING START = ** **** END = ** **** IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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.***** ***** ***** ***** ***** ***** ***** ***** 19.6 13.1 8.7 3.3 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** 10.8 6.8 2.9 -3.6 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** 28.3 19.5 14.5 10.2 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** 17.5 12.7 11.6 13.8 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** 8.59 7.59 4.91 2.77 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** 18.23 10.72 7.66 5.58 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** 13.40 9.91 7.34 4.85 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** 7.0 0.5 -1.5 -15.0 ****** DAY ** ** ** ** ** ** ** ** 30 30 12 22 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** 32.0 25.0 18.0 17.0 ****** DAY ** ** ** ** ** ** ** ** 1 15 4 6 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** 3.0 48.1 27.5 9.0 ****** DAY ** ** ** ** ** ** ** ** 29 29 9 28 MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** 3.0 87.1 70.8 18.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** 1.7 98.3 NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** 1 9 6 3 *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** 1 9 5 3 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** 0 2 3 0 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** 69 81 71 62 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** 65 65 64 61 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** 60 77 74 70 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 0 9 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 0 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 9 0 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** 0 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** 0 0 9 29 *** DATE OF START AND END FREEZING START = 11 NOV. END = 31 DEC. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. 5.4 3.9 6.0 9.4 15.5 20.6 24.0 23.6 19.0 12.5 7.7 5.0 12.7 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.2 -1.0 -0.1 2.0 7.0 9.5 13.8 13.2 9.4 5.2 -1.7 -1.2 4.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.5 8.9 12.1 16.7 24.0 31.7 34.2 34.1 28.5 19.9 17.1 11.1 20.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.3 9.9 12.2 14.7 17.0 22.2 20.4 20.9 19.1 14.7 18.8 12.3 16.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.47 4.09 4.62 4.97 7.81 7.84 7.54 6.14 6.66 5.13 4.02 3.90 5.60 MEAN OF MIXING RATIO AT 09 GMT. 6.11 5.60 7.35 9.45 12.66 15.64 8.58 6.91 9.22 7.83 3.97 3.89 8.10 MEAN OF MIXING RATIO AT 15 GMT. 4.62 4.38 5.55 6.29 8.14 8.28 5.65 6.16 8.92 7.12 5.06 4.13 6.19 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -5.0 -5.5 -6.5 -2.4 0.5 5.5 11.0 9.5 6.0 1.5 -8.0 -7.5 -8.0 DAY 14 20 24 6 8 16 3 27 19 30 26 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.0 19.0 18.5 24.0 29.5 35.0 37.5 36.0 34.5 26.5 20.0 17.5 37.5 DAY 2 26 4 29 24 29 25 13 1 6 1 7 24 HOUR MAXIMUM PRECIPITATION IN MM. 21.0 25.0 18.0 34.0 20.5 0.0 0.0 0.0 0.0 22.0 0.0 5.0 34.0 DAY 31 2 1 22 5 ** ** ** ** 14 ** 18 MONTHLY TOTAL PRECIPITATION IN MM. 61.9 56.5 58.0 35.0 20.5 0.0 0.0 0.0 0.0 55.5 0.0 18.0 305.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 57.8 18.2 0.0 24.1 NO. OF DAYS WITH PRECIPITATION. 8 7 8 2 1 0 0 0 0 6 0 4 36 NO. OF DAYS PRECIPITATION EQUAL 8 7 8 2 1 0 0 0 0 6 0 4 36 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 2 3 1 1 0 0 0 0 2 0 0 13 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 77 81 80 72 68 46 40 37 56 56 64 68 62 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 65 65 69 68 60 47 22 18 32 47 30 45 47 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 72 75 76 73 70 50 25 24 47 55 55 57 57 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 3 6 5 0 0 0 0 0 0 0 7 9 30 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 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 24 31 31 10 0 0 0 96 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 22 17 3 0 0 0 0 0 0 23 21 100 DATE OF START AND END FREEZING START = 4 NOV. END = 6 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. 0.8 -1.7 3.4 9.3 15.2 18.4 24.5 24.2 20.0 12.5 7.0 2.1 11.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -4.9 -6.8 -2.1 1.8 8.0 8.4 13.7 13.3 9.8 4.0 1.2 -3.6 3.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.6 3.4 8.9 16.8 22.4 28.4 35.2 35.0 30.1 21.0 12.9 7.7 19.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.5 10.2 11.0 15.0 14.4 20.0 21.5 21.7 20.3 17.0 11.7 11.3 15.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.95 2.56 3.30 5.39 8.38 10.91 10.51 10.79 8.79 5.79 4.75 3.37 6.46 MEAN OF MIXING RATIO AT 09 GMT. 2.87 2.08 2.41 6.13 9.66 15.63 12.77 9.86 9.62 8.17 5.53 4.16 7.41 MEAN OF MIXING RATIO AT 15 GMT. 3.44 2.70 3.28 5.37 8.41 13.01 11.06 11.45 9.83 8.20 4.97 3.33 7.09 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -17.0 -16.5 -13.0 -8.5 1.0 2.0 10.5 8.5 4.5 -2.0 -7.0 -13.5 -17.0 DAY 22 21 1 2 2 5 11 29 26 23 30 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.0 9.0 13.0 22.0 28.0 36.0 38.0 37.0 34.0 23.5 23.0 13.5 38.0 DAY 17 10 30 17 24 29 13 1 3 9 3 17 24 HOUR MAXIMUM PRECIPITATION IN MM. 14.0 25.0 28.0 20.0 11.5 0.0 0.0 0.0 0.0 0.0 17.0 4.5 28.0 DAY 30 17 8 6 18 ** ** ** ** ** 25 23 MONTHLY TOTAL PRECIPITATION IN MM. 35.0 91.0 38.0 33.0 36.0 0.0 0.0 0.0 0.0 0.0 53.5 4.5 291.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 56.4 23.7 0.0 19.9 NO. OF DAYS WITH PRECIPITATION. 4 7 2 6 7 0 0 0 0 0 7 1 34 NO. OF DAYS PRECIPITATION EQUAL 4 7 2 6 7 0 0 0 0 0 7 1 34 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 4 2 1 1 0 0 0 0 0 2 0 11 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 62 68 66 70 71 70 59 63 70 78 79 76 69 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 42 37 29 44 49 54 32 25 32 46 50 55 41 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 66 60 64 73 71 71 54 53 61 65 66 67 64 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 19 20 7 2 0 0 0 0 0 0 3 17 68 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 4 0 0 0 0 0 0 0 0 0 1 6 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 9 30 31 20 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. 27 28 26 7 0 0 0 0 0 2 9 23 122 DATE OF START AND END FREEZING START = 23 OCT. END = 11 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. MEAN AND EXTREMES FOR THE YEAR 1968 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -0.7 -3.3 5.4 9.1 13.6 19.3 23.1 22.3 17.5 13.3 8.2 3.3 10.9 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.7 -9.4 0.0 2.7 6.1 9.2 13.0 11.2 7.2 4.0 2.9 -1.2 3.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.2 2.9 10.7 15.5 21.0 29.3 33.1 33.3 27.8 22.6 13.5 7.9 18.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.9 12.3 10.7 12.8 14.9 20.1 20.1 22.1 20.5 18.6 10.6 9.1 15.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.13 2.25 4.52 5.53 7.56 9.85 12.76 9.77 9.08 6.35 6.02 4.49 6.78 MEAN OF MIXING RATIO AT 09 GMT. 2.60 1.85 4.87 4.97 5.95 6.22 6.54 13.19 16.17 11.42 8.97 6.75 7.46 MEAN OF MIXING RATIO AT 15 GMT. 2.95 2.02 3.44 6.10 8.44 13.81 15.88 17.20 15.97 11.96 6.57 4.96 9.11 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -17.5 -24.5 -9.0 -2.0 2.0 7.0 9.5 8.5 5.5 -0.5 -1.5 -7.0 -24.5 DAY 19 7 24 6 1 7 13 4 16 30 19 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.0 11.0 18.0 23.0 26.0 35.0 35.5 36.5 30.0 28.0 16.0 12.5 36.5 DAY 14 28 14 16 20 30 4 15 2 1 12 22 24 HOUR MAXIMUM PRECIPITATION IN MM. 14.0 15.0 36.0 15.0 12.5 0.0 0.0 0.0 0.0 26.0 12.5 5.0 36.0 DAY 7 8 30 3 14 ** ** ** ** 31 7 4 MONTHLY TOTAL PRECIPITATION IN MM. 24.0 68.0 81.0 74.0 71.0 0.0 0.0 0.0 0.0 43.5 70.5 19.0 451.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 38.4 32.2 0.0 29.5 NO. OF DAYS WITH PRECIPITATION. 2 6 9 12 9 0 0 0 0 3 10 5 56 NO. OF DAYS PRECIPITATION EQUAL 2 6 9 12 9 0 0 0 0 3 10 5 56 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 4 2 3 4 0 0 0 0 2 2 0 19 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 67 56 77 77 75 74 75 72 85 88 89 86 77 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 41 34 71 36 33 22 18 35 59 57 79 85 48 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 64 50 36 76 76 73 71 62 70 85 83 84 69 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 20 25 8 0 0 0 0 0 0 0 0 8 61 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 7 8 0 0 0 0 0 0 0 0 0 0 15 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 14 30 29 2 0 0 0 75 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. 23 27 12 6 0 0 0 0 0 1 6 16 91 DATE OF START AND END FREEZING START = 30 OCT. END = 26 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. -3.1 -2.6 8.3 10.5 14.5 19.5 23.5 22.3 16.9 14.9 5.1 4.4 11.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -10.1 -8.7 3.7 4.8 6.6 9.8 12.7 11.9 7.2 7.9 -1.9 -0.9 3.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.8 3.6 12.8 16.2 22.5 29.2 34.3 32.6 26.7 22.0 12.0 9.7 18.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.9 12.3 9.1 11.4 15.9 19.4 21.6 20.7 19.5 14.1 13.9 10.6 15.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.11 2.61 6.49 6.82 7.37 10.06 13.06 12.13 7.40 8.42 4.03 4.27 7.06 MEAN OF MIXING RATIO AT 09 GMT. 2.92 1.68 5.37 6.07 12.82 12.22 12.66 22.41 15.32 10.25 3.99 3.88 9.13 MEAN OF MIXING RATIO AT 15 GMT. 3.09 2.93 6.70 6.84 8.73 11.19 15.06 17.13 14.91 9.98 4.11 4.56 8.77 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -20.0 -23.5 0.5 1.0 3.0 5.5 8.0 7.5 3.5 2.0 -7.5 -5.0 -23.5 DAY 10 3 1 19 10 26 8 31 14 31 18 8 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 7.0 12.5 20.0 22.0 28.0 34.0 38.0 36.0 31.0 28.0 16.0 17.0 38.0 DAY 13 28 31 25 15 27 25 1 7 7 1 11 24 HOUR MAXIMUM PRECIPITATION IN MM. 32.0 18.0 32.0 16.0 21.0 0.0 0.0 19.0 0.0 14.5 15.0 22.5 32.0 DAY 21 21 20 12 7 ** ** 29 ** 30 2 27 MONTHLY TOTAL PRECIPITATION IN MM. 195.0 46.0 158.6 72.5 44.0 0.0 0.0 25.0 0.0 25.5 32.0 64.5 663.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 60.3 17.6 3.8 18.4 NO. OF DAYS WITH PRECIPITATION. 12 5 13 9 5 0 0 2 0 4 4 5 59 NO. OF DAYS PRECIPITATION EQUAL 12 5 13 9 5 0 0 2 0 4 4 5 59 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 10 2 6 4 2 0 0 1 0 1 2 3 31 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 68 68 88 84 80 74 79 81 69 82 85 82 78 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 50 29 51 46 62 41 32 60 59 53 39 45 47 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 73 69 87 70 75 77 76 80 77 76 72 77 76 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 24 17 0 0 0 0 0 0 0 0 12 9 62 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 6 0 0 0 0 0 0 0 0 0 0 6 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 11 30 27 4 0 0 0 72 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 27 0 0 0 0 0 0 0 0 22 22 102 DATE OF START AND END FREEZING START = 5 NOV. END = 27 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. -0.0 5.5 ***** 11.5 14.3 18.7 22.1 21.6 16.8 12.2 7.3 -1.8 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -5.1 -0.8 2.2 2.7 3.3 4.5 8.6 7.3 1.9 0.8 -2.8 -9.9 1.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.1 11.7 ***** 20.2 25.3 32.9 35.6 36.0 31.6 23.6 17.3 6.3 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.2 12.5 ***** 17.5 22.0 28.4 27.0 28.7 29.7 22.8 20.1 16.2 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.72 ***** 6.50 5.31 6.39 6.39 10.29 9.45 6.07 4.55 3.45 2.38 ***** MEAN OF MIXING RATIO AT 09 GMT. 3.49 ***** 7.80 4.85 7.43 9.32 14.06 8.46 6.67 6.64 5.66 4.50 ***** MEAN OF MIXING RATIO AT 15 GMT. 2.69 ***** 5.93 4.50 6.70 8.16 15.07 5.88 4.86 5.79 4.04 2.66 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -15.0 -6.0 -1.0 -5.0 0.0 1.0 5.0 4.5 0.0 -4.0 -7.0 -20.0 -20.0 DAY 29 1 1 27 31 9 6 29 16 26 16 16 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.0 15.0 ***** 26.0 30.0 36.0 37.0 37.0 37.0 30.0 22.0 15.0 ****** DAY 5 28 ** 13 24 30 9 16 1 1 8 4 24 HOUR MAXIMUM PRECIPITATION IN MM. 7.0 7.0 0.0 24.4 0.0 0.0 0.0 0.0 0.0 1.8 24.1 20.6 24.4 DAY 10 14 ** 22 ** ** ** ** ** 14 28 13 MONTHLY TOTAL PRECIPITATION IN MM. 18.5 7.0 0.0 79.9 0.0 0.0 0.0 0.0 0.0 1.8 24.1 53.0 184.3 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 13.8 43.4 0.0 42.8 NO. OF DAYS WITH PRECIPITATION. 5 1 0 5 0 0 0 0 0 1 1 3 16 NO. OF DAYS PRECIPITATION EQUAL 5 1 0 5 0 0 0 0 0 1 1 3 16 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 4 0 0 0 0 0 0 1 3 8 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 70 *** 76 57 53 43 57 54 53 55 54 76 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 55 *** 70 42 39 36 52 32 29 34 41 76 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 61 *** 70 38 35 25 45 19 25 42 46 75 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 21 5 0 1 0 0 0 0 0 2 11 29 69 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 *** 0 0 0 0 0 0 0 0 3 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 *** 0 7 30 31 31 17 2 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. 31 15 2 5 1 0 0 0 1 7 26 31 119 DATE OF START AND END FREEZING START = 16 SEP. END = 31 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. -1.1 -1.9 3.2 6.2 14.6 19.4 23.1 21.2 17.8 12.6 7.7 1.1 10.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -10.9 -10.2 -5.8 -2.7 5.1 8.4 12.5 9.8 7.3 3.8 2.9 -3.8 1.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.6 5.9 12.1 15.0 24.0 30.4 33.8 32.7 28.3 21.4 12.5 6.1 19.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 19.5 16.1 17.9 17.7 18.9 22.0 21.3 22.9 21.0 17.6 9.6 9.9 17.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.02 ***** 4.06 4.32 5.79 6.97 6.76 6.68 5.32 4.14 4.71 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 5.78 5.30 5.90 6.63 7.80 7.32 6.35 6.02 5.53 4.65 5.62 5.96 6.07 MEAN OF MIXING RATIO AT 15 GMT. 3.74 ***** 4.23 4.98 6.14 10.04 7.74 5.50 4.66 4.13 4.77 5.33 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -16.0 -19.0 -16.0 -8.0 -1.0 4.0 8.0 8.0 2.0 -0.5 -0.5 -14.0 -19.0 DAY 26 2 16 3 3 5 1 3 21 22 2 20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.0 12.0 16.0 22.0 27.0 34.0 37.0 35.0 33.0 25.5 20.0 14.0 37.0 DAY 4 22 19 27 15 20 12 15 3 15 2 12 24 HOUR MAXIMUM PRECIPITATION IN MM. 34.0 5.0 17.0 36.0 11.0 0.0 6.0 16.0 0.0 3.0 24.0 30.0 36.0 DAY 16 3 15 11 6 ** 31 1 ** 27 8 9 MONTHLY TOTAL PRECIPITATION IN MM. 34.0 14.4 46.0 133.0 29.5 0.0 13.0 19.0 0.0 3.5 127.0 62.0 481.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 19.6 33.8 6.6 40.0 NO. OF DAYS WITH PRECIPITATION. 1 8 6 10 5 0 3 2 0 2 11 5 53 NO. OF DAYS PRECIPITATION EQUAL 1 6 6 10 5 0 3 2 0 1 11 5 50 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 1 4 2 0 0 1 0 0 5 3 17 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 *** 74 64 57 47 37 43 44 54 77 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 92 92 78 67 40 26 18 20 22 28 54 85 52 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 92 *** 77 69 47 40 26 23 23 32 59 79 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 27 24 9 0 0 0 0 0 0 0 12 103 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 5 5 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 21 28 27 12 0 0 0 88 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 28 31 30 2 0 0 0 0 5 7 20 154 DATE OF START AND END FREEZING START = 12 OCT. END = 4 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. -4.1 -3.6 4.6 10.5 12.3 18.6 23.2 19.6 17.6 13.8 6.7 -3.7 9.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -8.2 -7.9 0.2 4.7 6.2 9.8 12.6 9.8 6.8 3.8 -1.0 -9.6 2.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 0.0 0.8 9.0 16.3 18.5 27.4 33.7 29.4 28.3 23.8 14.4 2.2 17.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.2 8.7 8.8 11.6 12.3 17.7 21.1 19.6 21.5 20.0 15.4 11.8 14.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** 4.48 5.52 5.85 7.03 8.38 6.84 6.47 4.80 3.77 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 4.82 ***** 5.99 7.69 6.40 5.80 6.29 5.53 5.37 3.81 3.94 4.98 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** 5.19 5.93 5.85 6.79 8.05 10.24 7.04 3.51 4.15 ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -17.5 -17.0 -3.0 1.0 3.0 7.0 9.0 6.0 5.0 1.0 -6.0 -20.0 -20.0 DAY 2 4 1 2 8 3 13 30 16 26 30 26 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 5.0 8.0 15.0 20.0 25.0 30.5 36.5 32.5 31.0 29.0 20.0 6.0 36.5 DAY 14 15 16 10 26 30 9 13 3 1 1 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 14.0 28.0 13.0 18.0 20.0 3.0 0.0 8.0 0.0 0.0 43.0 12.6 43.0 DAY 28 8 17 24 7 10 ** 2 ** ** 3 6 MONTHLY TOTAL PRECIPITATION IN MM. 74.0 45.0 36.0 71.0 101.5 3.0 0.0 10.0 0.0 0.0 116.0 40.8 497.3 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 31.2 35.3 2.0 31.5 NO. OF DAYS WITH PRECIPITATION. 10 2 6 10 18 1 0 2 0 0 5 6 60 NO. OF DAYS PRECIPITATION EQUAL 10 2 6 10 18 1 0 2 0 0 5 6 60 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 2 1 3 1 0 0 0 0 0 3 2 15 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** 86 68 61 46 43 45 49 51 65 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 90 *** 68 55 42 22 17 19 18 17 32 84 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** 77 62 53 36 26 41 37 24 49 *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 22 21 0 0 0 0 0 0 0 0 2 30 75 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 16 11 0 0 0 0 0 0 0 0 0 4 31 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 7 31 13 8 0 0 0 59 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. 29 26 17 0 0 0 0 0 0 0 20 31 123 DATE OF START AND END FREEZING START = 1 NOV. END = 27 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. -5.8 2.0 6.0 10.8 15.2 18.4 21.1 22.3 16.7 12.6 6.4 2.0 10.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -12.6 -4.6 -0.2 4.4 6.1 8.2 9.1 11.1 6.9 2.5 -2.2 -4.4 2.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 1.0 8.6 12.2 17.3 24.4 28.6 33.1 33.4 26.5 22.7 15.0 8.5 19.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.6 13.2 12.4 12.9 18.3 20.4 24.0 22.3 19.6 20.2 17.2 12.9 17.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** 5.68 5.45 4.50 4.35 4.47 5.61 5.36 4.56 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** 7.09 8.36 8.21 6.63 5.11 5.10 5.55 5.05 5.28 5.66 5.07 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** 6.56 6.09 6.01 3.99 3.43 4.93 4.37 6.23 5.09 4.89 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -21.0 -10.0 -5.0 0.0 3.5 6.0 6.0 10.0 3.0 0.0 -14.0 -11.0 -21.0 DAY 3 1 10 13 27 5 21 6 23 23 7 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 6.0 15.0 18.0 22.0 27.0 34.0 36.0 36.0 31.5 24.0 23.0 14.0 36.0 DAY 7 28 2 27 13 27 17 2 1 1 1 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.5 18.0 29.0 13.0 8.0 0.0 3.0 0.0 0.0 0.0 31.0 7.0 31.0 DAY 23 1 3 16 11 ** 25 ** ** ** 23 18 MONTHLY TOTAL PRECIPITATION IN MM. 54.0 41.0 53.0 37.0 8.0 0.0 3.0 0.0 0.0 0.0 39.0 7.0 242.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 61.2 18.6 1.2 19.0 NO. OF DAYS WITH PRECIPITATION. 10 4 5 6 1 0 1 0 0 0 2 1 30 NO. OF DAYS PRECIPITATION EQUAL 10 4 5 6 1 0 1 0 0 0 2 1 30 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 2 1 2 0 0 0 0 0 0 1 0 6 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** 67 43 22 25 24 46 69 73 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** 81 80 60 33 18 15 16 20 27 49 62 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** 89 66 38 16 12 15 20 44 65 82 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 18 3 0 0 0 0 0 0 0 11 19 82 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 10 0 0 0 0 0 0 0 0 0 0 3 13 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 10 31 31 5 0 0 0 77 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 28 19 1 0 0 0 0 0 3 20 31 133 DATE OF START AND END FREEZING START = 23 OCT. END = 13 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. -7.7 -6.2 5.0 ***** 14.9 18.6 21.4 21.8 18.4 11.2 7.2 -2.2 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -10.7 -12.0 0.0 ***** 4.9 8.8 11.3 11.4 8.6 1.5 -1.9 -9.5 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. -4.7 -0.5 10.0 ***** 24.8 28.3 31.5 32.3 28.2 20.8 16.3 5.1 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.0 11.5 10.0 ***** 19.9 19.5 20.2 20.9 19.6 19.3 18.2 14.6 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** 5.65 ***** 5.35 5.66 6.34 6.54 5.67 4.10 3.94 2.91 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** 4.70 ***** 5.14 5.91 6.58 7.64 5.90 5.04 5.00 4.95 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** 5.51 ***** 5.90 4.75 8.05 8.98 5.59 4.47 5.51 4.56 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -18.0 -24.0 -9.0 ***** 0.0 7.0 8.0 8.0 4.0 -3.0 -6.0 -18.0 ****** DAY 4 4 2 ** 2 1 1 31 30 20 28 27 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. -2.0 5.0 16.0 ***** 29.5 30.0 35.0 35.0 30.5 25.0 24.5 13.0 ****** DAY 7 14 24 ** 31 1 14 3 9 23 2 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 13.5 9.5 8.0 ***** 19.0 0.0 0.0 0.0 0.0 5.0 16.0 38.0 ****** DAY 16 18 14 ** 4 ** ** ** ** 11 21 5 MONTHLY TOTAL PRECIPITATION IN MM. 98.5 41.0 17.5 ***** 26.0 0.0 0.0 0.0 0.0 5.0 30.0 97.5 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 49.8 8.2 0.0 42.0 NO. OF DAYS WITH PRECIPITATION. 11 10 5 *** 2 0 0 0 0 1 3 7 *** NO. OF DAYS PRECIPITATION EQUAL 11 10 5 *** 2 0 0 0 0 1 3 7 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 0 0 *** 1 0 0 0 0 0 2 3 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** 74 *** 48 32 34 37 45 58 69 89 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** 54 *** 22 21 20 22 21 28 37 75 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** 73 *** 34 18 34 35 38 37 59 92 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 26 11 *** 0 0 0 0 0 0 8 29 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 *** 0 0 0 0 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 31 15 1 *** 0 0 0 0 0 0 0 1 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 *** 0 1 27 30 4 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. 31 28 16 *** 1 0 0 0 0 7 25 31 *** DATE OF START AND END FREEZING START = 15 OCT. END = 2 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. -2.7 -1.6 3.4 9.5 13.3 18.7 23.9 25.8 ***** 11.0 2.9 -2.0 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -8.7 -8.8 -2.6 3.4 6.2 8.4 12.0 15.0 ***** 0.8 -4.7 -6.1 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.4 5.5 9.5 15.6 20.5 28.9 35.9 36.7 ***** 21.3 10.5 2.2 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.1 14.3 12.1 12.2 14.3 20.5 23.9 21.7 ***** 20.5 15.2 8.3 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.18 3.60 4.62 5.17 5.65 6.29 8.27 9.46 ***** 4.95 2.57 3.74 ***** MEAN OF MIXING RATIO AT 09 GMT. 4.69 5.26 4.58 4.36 5.20 5.35 6.26 6.18 ***** 4.95 5.38 4.78 ***** MEAN OF MIXING RATIO AT 15 GMT. 4.24 4.15 4.89 5.40 6.60 6.97 9.82 10.16 ***** 6.03 4.92 4.10 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -15.0 -16.0 -10.0 1.0 2.5 6.0 9.0 13.0 ***** -4.0 -10.0 -11.0 ****** DAY 1 1 10 3 13 4 6 28 ** 21 7 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.0 10.0 15.0 20.0 27.0 34.0 38.0 40.0 ***** 25.0 19.0 5.0 ****** DAY 3 24 30 15 31 30 31 15 ** 2 1 13 24 HOUR MAXIMUM PRECIPITATION IN MM. 20.0 9.0 22.0 21.0 19.0 0.0 0.0 0.0 ***** 0.0 11.0 31.0 ****** DAY 3 25 19 27 5 ** ** ** ** ** 22 23 MONTHLY TOTAL PRECIPITATION IN MM. 86.5 31.0 56.0 67.0 79.0 0.0 0.0 0.0 ***** 0.0 70.5 144.5 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 32.5 27.3 0.0 40.2 NO. OF DAYS WITH PRECIPITATION. 11 8 9 6 7 0 0 0 *** 0 11 13 *** NO. OF DAYS PRECIPITATION EQUAL 11 8 9 6 7 0 0 0 *** 0 11 13 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 0 1 4 4 0 0 0 *** 0 3 8 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 92 91 77 57 53 44 36 40 *** 70 62 96 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 78 78 56 34 32 19 15 14 *** 27 58 87 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 88 90 66 54 53 38 35 37 *** 61 73 97 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 29 23 7 0 0 0 0 0 *** 2 22 26 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 *** 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 9 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 13 31 31 *** 0 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 1 *** 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 *** 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 28 30 0 0 0 0 0 *** 12 27 31 *** DATE OF START AND END FREEZING START = 13 OCT. END = 31 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. -2.7 -2.6 -1.0 6.4 13.9 20.3 24.3 21.8 17.3 11.0 4.5 ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -6.9 -5.6 -5.3 2.3 6.9 10.9 13.2 10.1 5.8 2.2 -2.3 -5.0 2.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 1.5 0.4 3.2 10.5 20.9 29.7 35.3 33.5 28.8 19.7 11.3 ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.4 6.0 8.5 8.2 14.0 18.8 22.1 23.4 22.9 17.5 13.6 ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** 5.15 5.99 7.77 8.69 8.40 6.51 5.68 ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 4.72 4.57 4.75 5.00 4.52 5.95 7.11 6.30 5.50 4.84 6.12 5.06 5.37 MEAN OF MIXING RATIO AT 15 GMT. 3.64 3.97 4.17 5.15 6.44 10.39 10.18 10.74 7.29 5.64 5.11 3.91 6.39 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -16.0 -12.0 -19.0 -5.0 5.0 8.0 11.0 6.0 4.0 0.0 -6.0 -9.0 -19.0 DAY 2 18 3 6 3 6 12 29 21 30 20 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 4.0 3.0 8.0 19.0 25.0 37.0 38.0 38.0 33.0 26.5 16.0 ***** ****** DAY 21 4 31 30 31 27 17 1 3 2 7 ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 27.0 30.0 22.0 26.0 14.0 6.0 2.0 0.0 0.0 17.0 21.0 9.5 30.0 DAY 19 10 25 19 14 9 28 ** ** 30 27 30 MONTHLY TOTAL PRECIPITATION IN MM. 118.5 132.5 109.5 127.0 37.0 6.0 2.0 0.0 0.0 56.0 44.0 45.3 677.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 53.2 25.1 0.3 21.4 NO. OF DAYS WITH PRECIPITATION. 11 16 10 12 3 1 1 0 0 9 5 9 77 NO. OF DAYS PRECIPITATION EQUAL 11 16 10 12 3 1 1 0 0 9 5 9 77 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 6 4 6 5 3 0 0 0 0 2 2 0 28 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** 74 59 44 47 51 57 73 *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 91 95 83 58 28 23 20 18 20 29 62 85 51 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 97 97 91 76 56 48 48 47 52 66 84 94 71 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 26 22 17 1 0 0 0 0 0 0 10 21 97 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 7 18 4 0 0 0 0 0 0 0 0 *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 15 31 31 16 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. 31 29 31 6 0 0 0 0 0 2 28 31 158 DATE OF START AND END FREEZING START = 30 OCT. END = 11 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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.***** -1.5 4.4 11.7 14.4 20.0 24.1 21.7 16.9 ***** 5.0 0.5 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -13.6 -9.4 -0.3 6.2 7.2 12.2 12.9 11.0 6.2 1.2 -0.9 -3.4 2.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** 6.3 9.1 17.1 21.5 27.7 35.4 32.4 27.6 ***** 10.8 4.4 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** 15.7 9.4 10.9 14.3 15.5 22.5 21.4 21.4 ***** 11.7 7.8 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** 4.93 5.62 6.27 8.11 7.98 7.07 6.09 5.20 4.73 4.14 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** 5.11 5.58 4.71 4.55 4.99 6.43 5.83 5.28 5.12 4.75 4.53 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** 5.31 5.88 6.74 8.69 11.30 8.11 5.24 5.77 5.24 ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -26.0 -25.0 -7.0 1.0 3.0 1.3 1.2 1.0 2.5 -3.0 -5.0 -8.0 -26.0 DAY 14 3 7 2 22 10 7 7 30 26 25 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** 11.0 12.0 22.0 28.0 35.0 39.0 39.0 31.0 ***** 14.0 10.0 ****** DAY ** 21 17 28 14 29 18 26 3 ** 8 4 24 HOUR MAXIMUM PRECIPITATION IN MM. 15.0 5.0 14.0 11.0 18.0 0.0 0.0 2.0 0.0 31.0 13.0 17.0 31.0 DAY 29 7 4 24 23 ** ** 2 ** 20 13 14 MONTHLY TOTAL PRECIPITATION IN MM. 93.9 9.0 49.0 47.0 61.0 0.0 0.0 2.0 0.0 116.0 34.0 72.0 483.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 31.4 22.3 0.4 45.9 NO. OF DAYS WITH PRECIPITATION. 16 2 6 7 8 0 0 1 0 11 5 10 66 NO. OF DAYS PRECIPITATION EQUAL 16 2 6 7 8 0 0 1 0 11 5 10 66 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 0 1 1 2 0 0 0 0 4 1 4 16 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** 84 61 58 48 47 52 57 77 87 94 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** 77 68 37 26 23 18 18 20 33 49 73 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** 75 52 50 44 38 35 34 68 72 *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 31 26 5 0 0 0 0 0 0 0 6 13 81 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 3 0 0 0 0 0 0 0 *** 0 5 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 0 0 0 0 15 30 30 5 *** 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** 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 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 28 14 0 0 0 0 0 0 9 18 30 130 DATE OF START AND END FREEZING START = 23 OCT. END = 26 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 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 SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 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 SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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.***** ***** 1.8 9.9 14.0 20.1 23.0 21.8 17.5 12.6 7.1 -0.6 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** -2.6 5.1 6.3 9.9 12.2 10.1 5.4 2.9 -0.2 -6.1 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** 6.3 14.7 21.7 30.2 33.8 33.6 29.5 22.3 14.3 4.9 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** 8.9 9.6 15.4 20.3 21.6 23.5 24.1 19.4 14.5 11.0 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** 5.43 6.06 7.29 8.04 6.83 4.78 4.13 4.26 3.14 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** 4.33 5.30 4.64 4.84 5.85 5.97 3.83 3.23 4.11 3.84 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** 4.35 5.33 6.84 8.82 9.96 9.44 4.63 3.81 4.16 3.79 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** -14.0 -2.0 1.0 7.5 9.0 7.0 0.0 -2.5 -5.0 -15.0 ****** DAY ** ** 6 17 9 1 2 28 24 30 27 21 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** 14.0 21.0 28.5 35.0 37.5 36.0 34.0 28.0 18.5 15.0 ****** DAY ** ** 26 22 31 30 19 5 6 5 2 6 24 HOUR MAXIMUM PRECIPITATION IN MM. 26.0 42.0 11.0 26.0 19.0 0.0 0.0 0.0 0.0 18.0 28.0 38.0 42.0 DAY 16 25 27 2 5 ** ** ** ** 30 20 18 MONTHLY TOTAL PRECIPITATION IN MM. 87.0 151.0 63.0 60.0 23.0 0.0 0.0 0.0 0.0 19.0 89.0 61.0 553.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 54.4 15.0 0.0 30.6 NO. OF DAYS WITH PRECIPITATION. 9 10 12 7 2 0 0 0 0 2 7 4 53 NO. OF DAYS PRECIPITATION EQUAL 9 10 12 7 2 0 0 0 0 2 7 4 53 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 5 1 1 1 0 0 0 0 1 3 2 18 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** 65 59 52 46 56 45 52 76 82 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** 62 43 25 16 16 17 13 17 35 63 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** 82 63 55 43 44 44 23 33 53 83 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** 15 0 0 0 0 0 0 0 1 22 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** 0 0 0 0 0 0 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** 3 0 0 0 0 0 0 0 0 7 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** 0 0 0 17 31 31 12 0 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** 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 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** 18 4 0 0 0 0 2 16 18 29 *** DATE OF START AND END FREEZING START = 24 SEP. END = 18 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 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 SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 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 SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 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 SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 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 SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. 3.7 2.4 4.3 11.6 15.4 20.7 24.8 22.2 19.7 13.5 8.9 2.0 12.4 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.4 -2.3 -1.8 5.1 6.9 10.5 14.8 12.0 8.6 5.1 2.2 -2.4 4.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.9 7.1 10.8 18.1 23.9 30.8 34.7 32.3 30.6 22.0 15.3 6.4 20.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.3 9.4 12.6 13.0 17.0 20.3 19.9 20.3 22.0 16.9 13.1 8.8 15.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.39 3.24 3.81 4.55 5.51 5.40 5.81 6.04 4.18 4.36 4.59 3.62 4.54 MEAN OF MIXING RATIO AT 09 GMT. 3.93 3.50 3.98 3.87 4.80 5.15 5.72 5.43 4.88 3.91 4.41 4.09 4.47 MEAN OF MIXING RATIO AT 15 GMT. 3.54 3.26 4.22 4.26 5.57 5.97 6.11 5.77 4.93 4.05 5.28 4.41 4.78 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.0 -9.5 -13.0 1.0 2.0 7.5 9.5 7.5 5.0 -2.0 -3.0 -11.5 -13.0 DAY 7 7 9 8 1 12 29 13 24 23 1 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.0 15.0 19.0 24.5 30.0 36.0 36.5 36.5 34.0 27.5 20.0 13.0 36.5 DAY 28 14 31 20 29 26 5 3 3 1 9 13 24 HOUR MAXIMUM PRECIPITATION IN MM. 16.0 12.0 25.0 25.0 14.0 3.0 0.0 0.0 0.0 0.0 9.0 62.0 62.0 DAY 30 26 22 6 17 11 ** ** ** ** 11 19 MONTHLY TOTAL PRECIPITATION IN MM. 49.0 42.4 97.0 63.0 35.0 3.0 0.0 0.0 0.0 0.0 30.0 110.0 429.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 43.9 23.5 0.0 32.6 NO. OF DAYS WITH PRECIPITATION. 6 8 10 5 5 1 0 0 0 0 6 9 50 NO. OF DAYS PRECIPITATION EQUAL 6 8 10 5 5 1 0 0 0 0 6 9 50 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 2 5 2 1 0 0 0 0 0 0 2 15 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 67 73 73 57 60 48 40 49 47 58 72 74 60 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 52 56 51 29 24 17 15 17 16 22 39 62 33 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 51 60 59 36 33 23 19 21 18 27 58 77 40 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 11 7 12 0 0 0 0 0 0 0 0 14 44 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 0 0 0 0 0 2 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 0 3 22 31 27 21 0 0 0 104 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. 16 23 13 0 0 0 0 0 0 4 8 21 85 DATE OF START AND END FREEZING START = 22 OCT. END = 16 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. MEAN AND EXTREMES FOR THE YEAR 1986 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 1.9 3.2 4.5 10.7 15.1 19.5 23.9 22.1 18.2 15.3 5.6 0.8 11.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -3.4 -2.1 -1.3 5.1 8.4 9.3 13.7 11.3 7.1 6.6 -0.0 -4.5 4.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.3 8.5 10.2 16.3 21.8 29.6 34.1 32.8 29.4 23.9 11.3 6.0 19.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.7 10.6 11.5 11.2 13.4 20.3 20.4 21.5 22.3 17.3 11.3 10.5 15.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.14 3.42 3.79 5.82 5.35 5.53 6.94 6.58 4.37 4.98 4.38 2.77 4.76 MEAN OF MIXING RATIO AT 09 GMT. 3.11 3.74 4.25 5.94 5.17 5.48 6.39 5.97 5.45 5.22 4.96 4.99 5.06 MEAN OF MIXING RATIO AT 15 GMT. 3.51 3.67 4.56 6.21 5.27 5.45 6.72 5.92 5.67 5.80 4.97 3.89 5.14 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -13.5 -6.0 -10.5 1.0 2.5 6.5 11.0 8.0 4.0 0.0 -5.0 -12.0 -13.5 DAY 21 8 18 2 18 2 28 12 12 17 12 13 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.5 15.5 18.5 20.0 29.0 37.5 37.5 36.5 31.0 28.0 19.0 12.0 37.5 DAY 3 28 30 17 29 30 2 1 22 3 1 8 24 HOUR MAXIMUM PRECIPITATION IN MM. 6.0 14.0 40.0 24.0 10.5 0.0 0.0 0.0 0.0 11.0 26.0 19.0 40.0 DAY 31 6 8 8 4 ** ** ** ** 24 10 20 MONTHLY TOTAL PRECIPITATION IN MM. 15.0 56.0 140.0 127.0 19.6 0.0 0.0 0.0 0.0 13.0 99.6 42.0 512.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 41.2 28.6 0.0 30.2 NO. OF DAYS WITH PRECIPITATION. 4 7 13 13 4 0 0 0 0 2 7 6 56 NO. OF DAYS PRECIPITATION EQUAL 4 7 13 13 4 0 0 0 0 2 7 6 56 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 3 5 5 1 0 0 0 0 1 5 2 22 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 72 75 71 78 57 54 49 51 48 60 77 67 63 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 47 53 57 50 31 20 18 18 19 26 56 75 39 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 61 60 68 59 35 22 22 20 25 39 68 73 46 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 11 7 4 0 0 0 0 0 0 0 8 21 51 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 0 0 0 0 0 0 0 0 0 0 1 2 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 10 30 28 15 0 0 0 83 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 23 22 0 0 0 0 0 0 1 14 25 109 DATE OF START AND END FREEZING START = 17 OCT. END = 30 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. 3.4 5.5 5.6 11.3 16.7 21.0 23.2 22.5 19.1 11.1 9.5 3.9 12.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.9 -2.6 0.5 4.1 8.7 10.3 13.3 11.6 8.9 5.2 3.1 -1.3 4.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.8 13.7 10.9 18.4 24.7 31.6 33.1 33.4 29.2 17.1 15.9 9.3 20.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.7 16.3 10.4 14.3 16.0 21.3 19.8 21.8 20.3 11.9 12.8 10.6 15.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.30 3.54 4.28 4.39 5.93 5.80 7.92 7.21 5.69 5.59 4.39 3.52 5.13 MEAN OF MIXING RATIO AT 09 GMT. 4.74 4.40 4.52 4.03 5.85 5.42 6.89 7.52 6.52 6.71 4.77 5.11 5.54 MEAN OF MIXING RATIO AT 15 GMT. 4.25 4.76 4.70 4.38 5.21 4.61 7.02 8.12 6.38 6.40 4.81 4.77 5.45 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -9.0 -12.5 -5.0 -3.5 4.0 7.5 9.5 8.0 5.4 -2.0 -5.0 -10.0 -12.5 DAY 14 7 15 6 6 6 10 28 29 13 30 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.0 17.0 16.0 26.0 29.0 35.0 37.0 39.0 34.0 28.5 20.0 15.5 39.0 DAY 19 2 8 28 15 30 19 27 9 2 15 18 24 HOUR MAXIMUM PRECIPITATION IN MM. 16.0 21.0 38.0 22.0 9.0 0.0 6.0 0.0 0.0 54.0 14.0 24.0 54.0 DAY 6 26 2 19 6 ** 31 ** ** 23 8 7 MONTHLY TOTAL PRECIPITATION IN MM. 43.0 100.5 194.8 35.0 22.0 0.0 8.0 0.0 0.0 154.0 24.0 122.8 704.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 48.0 8.1 1.1 42.7 NO. OF DAYS WITH PRECIPITATION. 5 11 13 4 3 0 2 0 0 10 3 10 61 NO. OF DAYS PRECIPITATION EQUAL 5 11 12 4 3 0 2 0 0 10 3 10 60 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 5 9 1 0 0 0 0 0 5 1 6 29 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 70 66 73 59 55 50 58 59 59 73 67 70 63 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 56 43 53 30 30 16 20 21 23 51 38 61 37 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 71 69 70 47 42 27 27 31 30 58 51 73 50 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 15 11 3 0 0 0 0 0 0 0 1 6 36 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 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 26 26 30 14 0 0 0 96 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 17 12 6 0 0 0 0 0 4 7 18 88 DATE OF START AND END FREEZING START = 12 OCT. END = 9 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. 0.7 1.1 7.5 11.0 16.8 20.7 24.6 23.4 19.3 14.4 8.3 4.7 12.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -4.0 -3.4 1.9 4.1 8.9 11.5 14.6 14.2 8.7 5.6 1.7 -0.4 5.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.4 5.5 13.2 17.8 24.7 29.9 34.6 32.7 29.8 23.3 14.9 9.8 20.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.4 8.9 11.3 13.7 15.8 18.4 20.0 18.5 21.1 17.7 13.2 10.2 14.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.06 3.12 4.18 5.27 4.97 5.54 7.77 7.83 4.74 4.60 4.06 3.53 4.89 MEAN OF MIXING RATIO AT 09 GMT. 4.35 4.46 4.77 5.72 5.05 4.56 6.44 7.08 6.30 5.51 4.86 4.20 5.28 MEAN OF MIXING RATIO AT 15 GMT. 4.07 3.99 4.11 5.35 5.07 4.73 6.35 7.08 5.70 5.07 4.85 4.09 5.04 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -10.5 -11.0 -2.5 -4.5 5.5 7.5 11.0 11.0 5.0 2.0 -6.0 -10.0 -11.0 DAY 20 7 25 3 7 26 3 24 25 27 26 30 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.0 11.5 18.5 22.5 29.5 34.5 39.5 36.5 35.0 27.5 20.0 18.2 39.5 DAY 7 1 26 18 27 13 13 11 15 5 3 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 11.5 13.4 47.0 15.0 3.0 0.0 0.0 0.0 0.0 7.0 16.0 22.0 47.0 DAY 18 25 4 26 2 ** ** ** ** 15 11 17 MONTHLY TOTAL PRECIPITATION IN MM. 24.2 65.5 137.0 79.0 7.0 0.0 0.0 0.0 0.0 8.0 46.0 59.4 426.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 53.2 20.2 0.0 26.6 NO. OF DAYS WITH PRECIPITATION. 8 10 7 11 3 0 0 0 0 2 5 7 53 NO. OF DAYS PRECIPITATION EQUAL 6 9 7 11 3 0 0 0 0 2 5 7 50 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 4 5 3 0 0 0 0 0 0 2 2 17 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 74 71 65 65 48 45 52 56 50 58 65 68 60 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 68 70 45 42 23 16 17 21 22 28 41 50 37 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 75 76 55 52 42 22 21 24 24 34 50 59 45 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 15 15 0 2 0 0 0 0 0 0 5 8 45 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 3 0 0 0 0 0 0 0 0 0 2 5 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 13 30 26 16 0 0 0 85 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. 27 25 7 6 0 0 0 0 0 0 13 13 91 DATE OF START AND END FREEZING START = 1 NOV. END = 8 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. -4.1 -4.3 5.1 11.8 15.9 21.2 24.6 24.2 19.2 14.6 9.4 3.9 11.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -9.0 -10.9 0.1 4.5 7.8 11.1 14.6 13.9 9.1 5.4 3.9 -1.4 4.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 1.0 1.6 10.0 19.2 24.0 31.4 34.6 34.4 29.3 23.8 14.9 9.2 19.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.0 12.5 9.9 14.7 16.2 20.3 20.0 20.5 20.2 18.4 11.0 10.6 15.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.14 2.00 4.09 4.85 5.27 5.35 7.11 6.01 4.24 4.32 4.80 3.72 4.49 MEAN OF MIXING RATIO AT 09 GMT. 3.50 3.45 4.38 4.75 4.82 4.94 6.50 6.38 5.15 4.62 5.55 5.16 4.93 MEAN OF MIXING RATIO AT 15 GMT. 2.70 2.71 4.23 4.54 5.11 5.59 6.32 6.42 4.96 5.02 5.29 4.20 4.76 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -21.5 -27.0 -8.5 -3.5 0.5 6.0 11.5 10.5 5.0 -1.0 0.0 -6.5 -27.0 DAY 31 6 31 3 1 2 9 23 21 23 14 18 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 7.5 9.0 16.0 25.0 30.0 36.5 39.5 36.0 36.0 29.0 21.0 14.0 39.5 DAY 20 28 9 16 25 29 10 5 3 6 2 26 24 HOUR MAXIMUM PRECIPITATION IN MM. 23.0 14.0 23.0 11.0 15.0 0.0 0.0 0.0 0.0 12.0 37.0 38.0 38.0 DAY 23 22 29 29 7 ** ** ** ** 25 8 4 MONTHLY TOTAL PRECIPITATION IN MM. 104.0 54.0 73.7 26.0 22.0 0.0 0.0 0.0 0.0 12.0 116.0 98.0 505.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 45.8 9.5 0.0 44.7 NO. OF DAYS WITH PRECIPITATION. 10 8 11 4 3 0 0 0 0 1 9 5 51 NO. OF DAYS PRECIPITATION EQUAL 10 8 11 4 3 0 0 0 0 1 9 5 51 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 6 2 1 1 1 0 0 0 0 1 4 4 20 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 67 63 76 67 56 45 48 44 45 58 71 77 60 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 74 71 53 32 24 15 17 17 18 23 47 63 38 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 69 68 59 38 30 20 19 21 23 34 55 68 42 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 22 22 4 0 0 0 0 0 0 0 0 8 56 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 9 9 0 0 0 0 0 0 0 0 0 0 18 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 23 31 31 11 0 0 0 97 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. 27 27 14 6 0 0 0 0 0 2 3 22 101 DATE OF START AND END FREEZING START = 23 OCT. END = 6 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. -1.0 0.4 5.5 10.9 16.9 21.0 24.4 24.2 20.3 14.0 9.8 4.2 12.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.7 -5.1 -1.2 4.0 8.8 10.7 15.0 13.9 8.9 6.1 2.7 -1.3 4.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.6 5.9 12.3 17.8 25.0 31.3 33.9 34.5 31.7 22.0 16.9 9.6 20.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.3 11.0 13.5 13.8 16.2 20.6 18.9 20.6 22.8 15.9 14.2 10.9 15.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.54 2.99 3.57 4.10 4.91 5.53 7.66 6.73 4.56 4.58 4.05 3.16 4.53 MEAN OF MIXING RATIO AT 09 GMT. 3.71 4.07 4.70 4.44 5.18 6.20 8.32 7.14 5.67 4.59 4.39 3.83 5.19 MEAN OF MIXING RATIO AT 15 GMT. 3.35 3.75 4.37 4.18 4.74 5.90 8.46 7.11 5.33 4.58 4.65 3.93 5.03 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -19.0 -11.5 -11.0 0.0 3.0 7.5 11.0 10.0 3.0 0.0 -1.5 -15.5 -19.0 DAY 26 8 22 9 13 7 20 21 28 19 30 28 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.0 10.5 18.5 25.0 29.0 35.0 38.0 37.5 34.0 26.5 24.5 17.5 38.0 DAY 4 28 10 26 22 24 26 15 15 8 3 3 24 HOUR MAXIMUM PRECIPITATION IN MM. 7.0 20.0 14.0 20.0 18.0 0.0 0.0 0.0 0.0 13.0 26.0 14.0 26.0 DAY 5 10 19 30 12 ** ** ** ** 27 12 25 MONTHLY TOTAL PRECIPITATION IN MM. 46.0 49.0 68.0 41.4 32.0 0.0 0.0 0.0 0.0 32.0 36.0 18.5 322.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 50.5 22.7 0.0 26.8 NO. OF DAYS WITH PRECIPITATION. 12 8 10 5 2 0 0 0 0 3 2 4 46 NO. OF DAYS PRECIPITATION EQUAL 12 8 10 5 2 0 0 0 0 3 2 4 46 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 2 3 2 2 0 0 0 0 2 2 1 14 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 66 74 67 56 50 46 53 49 45 59 63 62 58 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 73 71 52 34 25 19 23 19 17 25 34 48 37 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 71 70 57 40 26 21 29 23 20 32 43 57 41 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 17 17 9 0 0 0 0 0 0 0 0 6 49 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 0 0 0 0 0 1 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 7 0 0 0 0 0 0 0 0 0 0 3 10 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 25 30 31 28 0 0 0 114 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 28 18 3 0 0 0 0 0 1 9 22 107 DATE OF START AND END FREEZING START = 19 OCT. END = 24 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. MEAN AND EXTREMES FOR THE YEAR 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 0.8 -1.7 5.8 12.6 15.3 21.1 25.3 24.3 20.1 13.3 8.5 2.4 12.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -3.1 -8.0 0.7 5.9 8.1 12.0 16.0 14.4 11.1 6.3 2.0 -1.6 5.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.9 4.7 10.8 19.2 22.5 30.1 34.6 34.2 29.1 20.0 15.0 6.2 19.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.0 12.7 10.1 13.3 14.4 18.1 18.6 19.8 18.0 13.7 13.0 7.8 14.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.31 2.66 4.58 4.54 4.71 5.95 5.57 4.51 4.12 5.36 3.92 3.00 4.35 MEAN OF MIXING RATIO AT 09 GMT. 4.24 4.09 5.27 4.31 4.02 5.08 5.85 5.64 4.66 5.14 4.19 4.35 4.74 MEAN OF MIXING RATIO AT 15 GMT. 3.91 3.79 5.09 4.81 3.86 4.81 5.24 5.22 4.03 5.10 4.17 3.87 4.49 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -13.5 -21.0 -6.0 0.0 2.0 6.5 12.0 11.0 5.0 2.0 -3.0 -11.0 -21.0 DAY 16 14 17 14 6 1 9 30 30 1 25 24 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 11.0 11.0 17.0 25.0 26.5 34.0 37.0 37.5 34.0 25.0 20.5 14.0 37.5 DAY 7 28 29 22 16 27 31 10 1 7 1 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 15.0 22.0 40.0 6.0 3.5 2.0 0.0 0.0 3.0 7.0 25.0 36.0 40.0 DAY 15 1 6 29 18 25 ** ** 29 17 15 9 MONTHLY TOTAL PRECIPITATION IN MM. 37.0 73.0 127.0 15.0 4.5 2.0 0.0 0.0 3.0 24.0 47.0 137.0 469.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 50.5 4.6 0.6 44.3 NO. OF DAYS WITH PRECIPITATION. 6 8 9 3 2 1 0 0 1 6 3 8 47 NO. OF DAYS PRECIPITATION EQUAL 6 8 9 3 2 1 0 0 1 6 3 8 47 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 3 4 0 0 0 0 0 0 0 3 6 18 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 74 67 73 52 47 42 34 32 35 62 61 63 54 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 69 70 58 29 21 17 15 15 16 32 37 66 37 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 72 75 66 38 23 18 16 16 17 38 43 71 41 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 10 18 3 0 0 0 0 0 0 0 0 10 41 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 0 0 0 0 0 2 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 2 0 0 0 0 0 0 0 0 0 1 4 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 18 31 31 15 0 0 0 95 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. 23 26 13 1 0 0 0 0 0 0 14 16 93 DATE OF START AND END FREEZING START = 8 NOV. END = 14 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. -4.7 -1.1 -0.9 9.7 13.2 20.0 24.6 22.3 18.3 12.8 8.1 2.1 10.4 AVERAGE OF MINIMUM TEMPERATURE IN C. -11.4 -5.7 -6.6 3.6 6.8 11.9 15.5 14.0 9.9 4.1 2.6 -0.9 3.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 1.9 3.1 4.9 15.7 19.6 28.2 33.7 30.5 26.7 21.6 13.5 5.2 17.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 13.3 8.8 11.5 12.1 12.8 16.3 18.2 16.5 16.8 17.5 10.9 6.1 13.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.94 2.64 2.66 4.81 6.08 6.07 7.67 5.78 4.44 4.03 4.14 3.43 4.48 MEAN OF MIXING RATIO AT 09 GMT. 3.30 3.88 3.98 4.73 4.99 4.50 5.05 5.16 4.18 4.08 4.39 4.12 4.36 MEAN OF MIXING RATIO AT 15 GMT. 3.28 3.62 4.06 4.67 4.70 4.74 5.77 5.08 3.40 3.68 4.36 3.84 4.27 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -25.5 -15.0 -22.0 -4.5 2.0 8.0 11.5 11.0 3.5 1.5 -5.9 -12.0 -25.5 DAY 5 28 13 3 7 3 11 30 30 29 27 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 6.0 8.5 11.0 22.0 24.5 32.0 39.0 35.0 28.5 25.5 19.0 13.5 39.0 DAY 22 22 17 13 30 27 6 5 14 3 4 12 24 HOUR MAXIMUM PRECIPITATION IN MM. 32.0 77.0 35.0 50.0 20.0 6.0 0.0 4.0 0.0 0.0 21.0 24.0 77.0 DAY 3 25 10 27 7 4 ** 30 ** ** 25 14 MONTHLY TOTAL PRECIPITATION IN MM. 61.0 113.0 92.0 150.5 89.0 6.0 0.0 4.0 0.0 0.0 76.0 92.0 683.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 38.9 35.9 0.6 24.6 NO. OF DAYS WITH PRECIPITATION. 6 7 5 7 8 1 0 1 0 0 6 11 52 NO. OF DAYS PRECIPITATION EQUAL 6 7 5 7 8 1 0 1 0 0 6 11 52 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 3 3 5 4 0 0 0 0 0 5 4 26 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 59 69 63 64 63 44 47 43 40 56 63 67 57 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 70 73 70 39 31 17 14 17 17 22 41 66 40 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 77 75 73 47 35 19 17 20 14 24 47 71 43 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 26 17 16 3 0 0 0 0 0 0 1 5 68 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 0 0 0 0 0 1 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 6 3 6 0 0 0 0 0 0 0 0 2 17 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 7 29 22 0 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. 31 25 27 9 0 0 0 0 0 0 8 19 119 DATE OF START AND END FREEZING START = 1 NOV. END = 19 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. -2.2 1.4 ***** ***** 13.1 20.4 20.2 19.7 20.4 11.7 7.2 6.6 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -6.8 -3.7 ***** ***** 6.1 10.8 9.1 6.7 12.0 5.1 2.4 2.2 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 2.4 6.5 ***** ***** 20.0 30.0 31.4 32.7 28.7 18.4 12.0 11.0 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.2 10.2 ***** ***** 13.9 19.2 22.3 26.0 16.7 13.3 9.6 8.8 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.29 3.14 ***** ***** 5.95 5.48 6.04 5.52 3.85 3.71 4.40 3.58 ***** MEAN OF MIXING RATIO AT 09 GMT. 3.14 4.88 ***** ***** 6.20 4.77 4.30 5.15 3.22 4.12 4.40 3.50 ***** MEAN OF MIXING RATIO AT 15 GMT. 3.22 4.36 ***** ***** 5.51 4.59 4.43 4.40 3.60 3.98 4.35 3.67 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -19.0 -12.0 ***** ***** 2.0 8.0 5.0 3.0 7.5 2.5 -3.5 -3.6 ****** DAY 21 18 ** ** 5 20 13 19 25 29 30 6 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 8.5 10.0 ***** ***** 27.5 35.5 34.0 37.0 33.0 24.5 17.0 14.5 ****** DAY 28 27 ** ** 27 30 24 10 1 1 20 7 24 HOUR MAXIMUM PRECIPITATION IN MM. 28.0 46.0 ***** ***** 18.0 0.0 3.0 0.0 0.0 9.0 47.0 7.0 ****** DAY 8 3 ** ** 14 ** 24 ** ** 26 3 1 MONTHLY TOTAL PRECIPITATION IN MM. 60.0 131.0 ***** ***** 59.0 0.0 3.0 0.0 0.0 13.0 112.0 28.0 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 47.0 14.5 0.7 37.7 NO. OF DAYS WITH PRECIPITATION. 5 8 *** *** 8 0 1 0 0 2 9 6 *** NO. OF DAYS PRECIPITATION EQUAL 5 8 *** *** 8 0 1 0 0 2 9 6 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 5 *** *** 2 0 0 0 0 0 4 0 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 63 71 *** *** 59 43 37 38 34 48 66 59 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 60 69 *** *** 42 18 13 15 11 28 48 40 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 73 77 *** *** 39 20 16 15 14 32 51 48 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 23 13 *** *** 0 0 0 0 0 0 0 0 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 *** *** 0 0 0 0 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 11 0 *** *** 0 0 0 0 0 0 0 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 *** *** 0 16 27 28 12 0 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 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 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 30 21 *** *** 0 0 0 0 0 0 5 7 *** DATE OF START AND END FREEZING START = 14 NOV. END = 27 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. 2.0 2.2 6.9 13.3 16.1 20.9 25.6 25.2 18.2 12.6 8.7 1.9 12.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -3.0 -2.8 2.3 6.8 8.1 11.1 15.8 15.0 9.3 6.0 4.1 -2.3 5.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.1 7.2 11.4 19.8 24.2 30.6 35.3 35.3 27.0 19.2 13.2 6.1 19.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.1 10.0 9.1 13.0 16.1 19.5 19.5 20.3 17.7 13.2 9.1 8.4 13.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.27 3.73 4.63 4.53 4.99 3.56 4.71 4.72 4.17 4.63 4.31 2.99 4.19 MEAN OF MIXING RATIO AT 09 GMT. 3.95 3.22 4.48 4.28 4.13 2.86 5.58 4.28 4.02 4.47 4.11 2.88 4.02 MEAN OF MIXING RATIO AT 15 GMT. 4.01 3.18 4.19 4.49 4.41 3.18 5.92 4.61 4.29 5.57 4.75 3.37 4.33 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -9.0 -8.0 -1.5 3.5 5.5 7.5 11.5 10.5 4.5 2.5 0.5 -11.0 -11.0 DAY 18 24 2 3 1 5 1 27 23 10 12 6 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 13.5 11.5 18.5 25.5 33.0 33.5 38.5 38.0 31.5 23.0 18.0 12.0 38.5 DAY 1 8 31 22 31 2 29 4 2 1 3 27 24 HOUR MAXIMUM PRECIPITATION IN MM. 26.0 56.0 32.0 17.0 18.0 2.0 0.0 0.0 0.0 13.0 64.0 16.0 64.0 DAY 16 1 11 30 6 3 ** ** ** 18 7 20 MONTHLY TOTAL PRECIPITATION IN MM. 76.0 76.0 152.0 51.0 38.0 2.0 0.0 0.0 0.0 59.0 286.0 62.0 802.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 37.9 11.3 0.0 50.7 NO. OF DAYS WITH PRECIPITATION. 7 6 10 8 5 1 0 0 0 9 14 9 69 NO. OF DAYS PRECIPITATION EQUAL 7 6 10 8 5 1 0 0 0 9 14 9 69 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 3 1 6 2 2 0 0 0 0 3 7 3 27 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 64 73 71 51 50 31 30 32 39 56 60 65 52 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 57 46 46 26 19 10 15 10 15 29 39 45 30 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 65 52 52 32 24 12 16 12 19 43 51 63 37 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 13 8 0 0 0 0 0 0 0 0 0 10 31 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 1 0 0 0 0 0 0 0 0 0 4 5 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 2 22 31 31 7 0 0 0 93 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 26 2 0 0 0 0 0 0 0 0 19 73 DATE OF START AND END FREEZING START = 4 DEC. END = 2 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. 3.7 3.3 6.5 10.2 15.1 19.6 25.3 25.7 22.7 ***** 8.3 1.1 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -2.1 -2.9 0.4 4.2 8.0 11.2 15.6 17.1 14.9 9.5 3.1 -4.3 6.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.6 9.6 12.6 16.3 22.2 28.0 34.9 34.3 30.5 ***** 14.1 6.6 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.7 12.5 12.2 12.1 14.2 16.8 19.3 17.2 15.6 ***** 11.0 10.9 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.33 3.60 4.18 4.39 5.85 5.90 5.89 5.27 4.68 4.08 3.72 2.93 4.48 MEAN OF MIXING RATIO AT 09 GMT. 3.21 2.95 2.92 3.70 5.13 4.86 4.50 4.30 3.88 4.00 3.27 3.58 3.86 MEAN OF MIXING RATIO AT 15 GMT. 3.53 3.24 3.54 3.94 5.40 4.86 4.49 4.66 3.86 4.03 3.56 3.64 4.06 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.5 -7.5 -4.5 0.5 4.0 5.5 9.5 13.5 12.5 6.5 -6.5 -7.5 -7.5 DAY 26 26 1 9 9 5 7 12 22 19 28 21 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 13.0 14.5 14.5 20.5 27.5 32.8 38.5 36.5 33.5 ***** 19.5 12.5 ****** DAY 4 21 24 30 22 21 15 5 15 ** 5 30 24 HOUR MAXIMUM PRECIPITATION IN MM. 11.0 22.0 20.0 15.0 49.0 13.0 0.0 0.0 0.0 0.0 0.0 9.0 49.0 DAY 12 5 17 22 31 3 ** ** ** ** ** 4 MONTHLY TOTAL PRECIPITATION IN MM. 18.0 56.0 57.0 87.0 160.0 33.0 0.0 0.0 0.0 0.0 0.0 25.0 436.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 30.0 64.2 0.0 5.7 NO. OF DAYS WITH PRECIPITATION. 2 5 7 14 13 5 0 0 0 0 0 8 54 NO. OF DAYS PRECIPITATION EQUAL 2 5 7 14 13 5 0 0 0 0 0 8 54 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 3 1 3 6 2 0 0 0 0 0 0 16 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 69 76 72 60 60 50 38 32 33 40 54 69 54 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 42 36 27 27 27 19 12 11 12 21 27 51 26 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 51 44 38 34 34 21 12 14 13 24 34 59 32 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 12 8 2 0 0 0 0 0 0 0 3 20 45 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 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 10 30 31 18 *** 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. 22 26 10 0 0 0 0 0 0 0 3 29 90 DATE OF START AND END FREEZING START = 28 NOV. END = 26 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. -3.5 2.4 3.3 9.8 16.3 21.1 23.7 23.4 20.5 14.2 7.4 4.9 12.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -8.9 -2.4 -1.5 3.1 8.6 12.5 15.5 14.1 11.5 5.7 0.2 -1.1 4.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 1.9 7.4 8.1 16.4 24.0 29.6 31.9 32.8 29.6 22.8 14.5 11.0 19.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.8 9.8 9.6 13.3 15.4 17.1 16.4 18.7 18.1 17.1 14.3 12.1 14.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.31 3.69 4.16 5.06 6.57 5.53 7.18 5.69 5.20 4.33 4.04 3.51 4.77 MEAN OF MIXING RATIO AT 09 GMT. 3.20 4.04 4.32 4.58 5.83 5.92 6.31 5.88 5.23 4.08 4.10 3.26 4.73 MEAN OF MIXING RATIO AT 15 GMT. 3.16 3.81 4.21 5.00 7.46 7.03 6.82 5.81 5.08 4.45 4.17 3.77 5.06 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -18.5 -6.5 -4.5 -1.5 4.5 7.0 12.5 11.0 8.5 1.0 -6.5 -5.5 -18.5 DAY 20 6 25 5 1 12 17 5 20 19 14 5 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.5 12.5 17.5 22.5 29.0 33.0 33.5 34.5 33.0 28.0 22.5 16.5 34.5 DAY 1 11 31 22 28 24 4 11 11 1 6 29 24 HOUR MAXIMUM PRECIPITATION IN MM. 35.0 30.0 33.0 31.0 11.4 0.4 0.8 0.0 8.2 2.4 12.0 32.0 35.0 DAY 6 2 24 16 13 27 6 ** 1 15 17 23 MONTHLY TOTAL PRECIPITATION IN MM. 101.0 118.0 224.0 123.4 31.9 0.6 0.8 0.0 10.0 4.6 28.4 40.0 682.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 64.9 22.8 1.6 10.7 NO. OF DAYS WITH PRECIPITATION. 9 8 19 15 9 2 1 0 2 2 6 4 77 NO. OF DAYS PRECIPITATION EQUAL 9 8 19 15 7 0 0 0 2 2 6 3 71 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 5 9 4 1 0 0 0 0 0 1 1 23 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 59 70 76 66 62 41 45 40 42 48 64 64 56 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 62 54 55 39 35 22 21 19 20 20 35 34 35 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 68 59 61 43 39 24 22 18 19 28 45 48 40 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 25 9 1 0 0 0 0 0 0 0 3 6 44 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 12 0 0 0 0 0 0 0 0 0 0 0 12 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 14 29 29 13 0 0 0 85 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 23 27 4 0 0 0 0 0 0 16 19 120 DATE OF START AND END FREEZING START = 2 NOV. END = 17 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. 2.0 0.9 2.9 10.0 15.0 20.9 25.5 25.7 19.1 14.7 7.2 3.3 12.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -4.1 -5.4 -2.0 3.8 7.5 12.3 15.9 15.9 9.7 7.3 1.2 -2.6 5.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.0 7.2 7.9 16.3 22.4 29.6 35.0 35.5 28.5 22.2 13.1 9.3 19.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.1 12.6 9.9 12.6 14.9 17.3 19.1 19.6 18.8 14.9 11.9 11.9 14.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.11 2.48 3.49 4.54 4.94 5.78 6.80 6.04 4.88 4.66 4.54 3.67 4.58 MEAN OF MIXING RATIO AT 09 GMT. 3.86 3.83 3.97 4.55 4.54 5.22 5.65 4.19 3.06 3.43 4.61 4.09 4.25 MEAN OF MIXING RATIO AT 15 GMT. 3.94 3.86 4.00 4.49 5.34 5.70 5.45 4.07 3.42 4.40 5.15 4.34 4.51 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -9.5 -15.0 -15.5 -5.5 1.0 7.5 12.0 13.5 5.5 3.0 -4.0 -6.5 -15.5 DAY 31 2 9 11 6 5 7 30 15 29 30 28 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.5 15.5 14.5 26.5 28.5 33.5 37.5 37.5 32.5 26.5 16.5 14.0 37.5 DAY 1 22 2 26 28 30 11 11 1 4 11 7 24 HOUR MAXIMUM PRECIPITATION IN MM. 0.8 5.4 35.4 18.8 7.0 1.6 0.0 0.0 0.0 3.6 19.2 16.0 35.4 DAY 17 20 29 5 5 22 ** ** ** 23 3 14 MONTHLY TOTAL PRECIPITATION IN MM. 2.0 11.8 121.4 73.0 39.4 2.8 0.0 0.0 0.0 7.8 28.8 39.4 326.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 41.4 35.3 0.0 23.3 NO. OF DAYS WITH PRECIPITATION. 3 5 20 9 9 2 0 0 0 5 8 5 66 NO. OF DAYS PRECIPITATION EQUAL 0 4 17 9 8 2 0 0 0 3 5 5 53 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 4 3 0 0 0 0 0 0 1 2 10 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 72 65 67 63 52 43 41 38 43 47 64 71 56 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 55 54 53 38 28 21 18 12 12 18 41 47 33 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 62 63 62 40 34 21 15 11 13 28 54 58 38 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 12 17 8 2 0 0 0 0 0 0 1 8 48 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 2 2 0 0 0 0 0 0 0 0 0 5 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 16 31 31 8 0 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. 30 27 19 5 0 0 0 0 0 0 12 28 121 DATE OF START AND END FREEZING START = 17 NOV. END = 13 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. -1.3 -0.7 4.8 12.3 15.7 22.6 25.3 24.3 21.7 14.4 9.1 5.3 12.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.5 -5.8 -0.0 5.5 8.0 13.1 16.0 14.5 11.8 6.2 2.0 -2.5 5.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.8 4.4 9.7 19.1 23.4 32.0 34.7 34.1 31.6 22.6 16.2 13.0 20.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.3 10.2 9.7 13.6 15.4 18.9 18.7 19.6 19.8 16.4 14.2 15.5 15.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.38 2.44 4.17 5.03 5.43 5.79 7.04 6.85 5.36 4.71 4.47 3.27 4.74 MEAN OF MIXING RATIO AT 09 GMT. 3.84 3.91 4.74 4.70 4.88 5.78 4.81 5.95 5.05 5.10 5.13 4.85 4.90 MEAN OF MIXING RATIO AT 15 GMT. 3.35 3.80 4.48 4.78 4.96 5.31 4.71 5.25 5.67 5.20 4.92 4.36 4.73 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -15.0 -15.0 -10.5 1.5 3.0 8.5 12.5 12.0 10.0 2.5 -1.5 -6.5 -15.0 DAY 15 15 1 6 4 1 8 10 23 11 11 24 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.0 8.5 15.6 26.5 28.5 35.5 38.5 37.5 34.0 29.0 21.0 22.0 38.5 DAY 2 5 24 14 27 30 12 18 1 1 20 10 24 HOUR MAXIMUM PRECIPITATION IN MM. 22.8 25.0 57.4 20.6 9.6 2.6 0.0 1.4 0.0 26.8 8.2 2.4 57.4 DAY 6 9 29 20 13 19 ** 6 ** 10 12 3 MONTHLY TOTAL PRECIPITATION IN MM. 86.6 67.0 188.2 61.4 34.4 2.6 0.0 2.8 0.0 34.4 13.2 5.2 495.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 68.9 19.8 0.6 10.6 NO. OF DAYS WITH PRECIPITATION. 8 8 12 6 7 1 0 4 0 3 3 3 55 NO. OF DAYS PRECIPITATION EQUAL 8 7 11 6 5 1 0 1 0 3 3 2 47 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 3 6 2 0 0 0 0 0 1 0 0 16 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 66 68 72 58 51 39 40 43 37 50 70 72 56 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 64 63 53 29 23 16 12 15 14 27 37 43 33 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 67 72 61 36 28 18 15 16 20 35 44 51 39 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 22 21 5 0 0 0 0 0 0 0 0 8 56 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 8 5 3 0 0 0 0 0 0 0 0 0 16 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 26 31 30 27 0 0 0 114 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 30 28 14 0 0 0 0 0 0 0 6 26 104 DATE OF START AND END FREEZING START = 10 NOV. END = 20 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. 0.7 2.3 5.0 11.6 16.8 23.1 24.7 24.5 21.7 16.9 8.4 2.5 13.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -4.4 -4.3 -1.7 4.4 7.2 12.9 15.4 14.9 11.0 7.3 2.4 -3.9 5.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.7 8.9 11.7 18.8 26.3 33.2 34.1 34.1 32.3 26.6 14.3 8.9 21.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.1 13.2 13.4 14.4 19.1 20.3 18.7 19.2 21.3 19.3 11.9 12.8 16.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.87 2.88 3.45 4.53 4.43 4.68 7.88 5.23 4.55 4.12 4.35 2.96 4.33 MEAN OF MIXING RATIO AT 09 GMT. 4.35 4.72 4.59 5.42 4.93 5.41 7.73 5.08 4.57 4.77 5.03 4.72 5.11 MEAN OF MIXING RATIO AT 15 GMT. 4.06 4.63 4.54 5.22 4.55 4.89 6.78 5.09 4.80 4.22 4.83 4.50 4.84 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -9.0 -9.5 -5.5 2.5 4.0 9.0 11.2 12.5 7.0 4.5 -3.0 -15.0 -15.0 DAY 4 22 2 9 22 7 16 2 29 25 6 6 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 13.0 13.0 17.5 24.5 32.5 35.5 43.0 36.5 36.0 30.5 18.5 16.5 43.0 DAY 31 12 31 30 30 28 20 12 6 6 1 31 24 HOUR MAXIMUM PRECIPITATION IN MM. 18.6 48.4 13.0 8.8 0.0 0.0 0.0 0.0 0.0 1.8 49.4 15.4 49.4 DAY 16 20 20 10 ** ** ** ** ** 26 9 11 MONTHLY TOTAL PRECIPITATION IN MM. 52.2 91.8 45.0 27.2 0.0 0.0 0.0 0.0 0.0 1.8 60.4 46.0 324.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 58.3 8.4 0.0 33.4 NO. OF DAYS WITH PRECIPITATION. 9 8 6 6 0 0 0 0 0 1 2 6 38 NO. OF DAYS PRECIPITATION EQUAL 5 7 6 5 0 0 0 0 0 1 2 5 31 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 2 1 0 0 0 0 0 0 0 2 2 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 71 71 71 58 43 31 50 33 33 38 63 69 53 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 66 57 47 35 20 15 23 13 13 19 42 57 34 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 74 70 58 42 23 17 22 17 18 21 52 71 40 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 19 14 2 0 0 0 0 0 0 0 0 13 48 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 0 0 0 0 0 0 0 0 0 0 3 4 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 5 29 29 31 27 1 0 0 122 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 0 0 0 0 0 1 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 28 25 0 0 0 0 0 0 0 4 31 119 DATE OF START AND END FREEZING START = 6 NOV. END = 28 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 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. -0.6 -0.4 4.7 12.7 18.2 23.2 24.9 23.6 19.2 12.5 8.4 1.7 12.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.0 -7.1 -1.7 5.8 10.3 14.3 14.7 13.8 9.3 5.7 1.7 -4.5 4.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.9 6.3 11.0 19.6 26.1 32.1 35.1 33.4 29.1 19.2 15.1 8.0 20.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.9 13.4 12.7 13.9 15.8 17.8 20.4 19.6 19.8 13.5 13.4 12.5 15.3 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.43 2.11 3.46 4.94 4.98 4.74 5.07 4.81 4.43 4.78 4.46 3.17 4.11 MEAN OF MIXING RATIO AT 09 GMT. 4.05 4.20 4.60 4.79 5.26 5.65 6.58 6.43 5.47 5.10 5.41 4.69 5.19 MEAN OF MIXING RATIO AT 15 GMT. 3.62 4.21 4.45 4.54 4.81 4.88 5.68 5.61 4.78 5.04 4.84 4.26 4.73 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -15.0 -19.0 -6.5 1.5 7.5 8.5 12.0 12.0 6.5 2.5 -5.0 -10.0 -19.0 DAY 31 9 4 2 1 15 29 3 25 8 30 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.0 12.5 15.0 26.0 29.5 38.0 38.0 36.0 31.5 25.0 25.0 14.0 38.0 DAY 1 24 30 29 29 30 1 16 1 27 2 5 24 HOUR MAXIMUM PRECIPITATION IN MM. 68.8 16.4 33.4 16.4 1.2 0.0 3.6 0.0 0.2 18.9 23.4 46.7 68.8 DAY 28 14 25 22 10 ** 15 ** 30 17 6 1 MONTHLY TOTAL PRECIPITATION IN MM. 117.6 31.3 73.6 19.2 1.2 0.0 3.6 0.0 0.2 42.1 53.2 105.5 447.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 49.7 4.6 0.8 44.9 NO. OF DAYS WITH PRECIPITATION. 6 6 3 2 1 0 1 0 1 9 7 7 43 NO. OF DAYS PRECIPITATION EQUAL 5 3 3 2 1 0 1 0 0 4 7 7 33 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 2 2 1 0 0 0 0 0 2 2 2 13 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 69 63 72 57 37 29 31 33 36 52 59 70 51 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 65 59 48 29 21 17 16 18 19 33 45 60 36 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 70 77 63 37 26 19 18 20 21 42 54 70 43 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 24 26 8 0 0 0 0 0 0 0 2 23 83 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 4 1 0 0 0 0 0 0 0 0 0 0 5 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 23 31 24 10 0 0 0 88 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 29 23 0 0 0 0 0 0 0 10 29 122 DATE OF START AND END FREEZING START = 16 NOV. END = 27 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. MEAN AND EXTREMES FOR THE YEAR 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 2.5 1.6 7.9 13.0 16.5 21.3 24.9 23.6 19.0 15.0 8.1 3.1 13.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -3.3 -4.7 1.3 5.2 7.7 11.6 14.2 12.8 9.6 6.9 2.0 -2.7 5.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.3 7.8 14.4 20.8 25.2 30.9 35.6 34.5 28.5 23.0 14.3 8.9 21.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.6 12.5 13.1 15.6 17.5 19.3 21.4 21.7 18.9 16.1 12.3 11.6 16.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.03 2.67 4.25 4.45 4.71 5.98 7.42 5.40 4.74 4.34 4.12 3.15 4.52 MEAN OF MIXING RATIO AT 09 GMT. 4.21 4.24 4.98 4.95 5.73 6.89 7.00 6.34 5.96 5.05 5.04 4.55 5.41 MEAN OF MIXING RATIO AT 15 GMT. 4.11 4.27 4.66 4.71 4.63 6.33 5.61 5.18 5.31 4.82 4.52 4.45 4.88 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -15.0 -10.0 -3.5 2.5 3.5 5.5 12.5 10.5 7.5 5.5 -6.5 -5.5 -15.0 DAY 28 22 2 17 6 12 30 29 21 26 19 17 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.0 14.5 20.0 26.0 31.0 35.5 37.0 37.0 31.5 28.0 22.0 13.0 37.0 DAY 15 27 22 28 29 29 4 5 4 3 5 23 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.6 3.8 34.4 9.8 34.2 5.4 2.4 0.0 2.8 8.4 39.2 34.0 39.2 DAY 27 18 10 9 4 11 19 ** 24 27 18 2 MONTHLY TOTAL PRECIPITATION IN MM. 18.2 11.4 74.6 13.4 34.2 17.2 2.4 0.0 5.3 18.6 52.8 115.8 363.9 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 28.6 17.8 2.1 51.4 NO. OF DAYS WITH PRECIPITATION. 5 6 6 2 1 4 1 0 3 3 5 7 43 NO. OF DAYS PRECIPITATION EQUAL 3 4 4 2 1 4 1 0 2 3 4 5 33 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 2 0 1 0 0 0 0 0 1 5 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 68 69 68 51 41 39 45 35 37 40 63 73 52 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 52 56 43 28 26 23 17 16 22 25 44 55 34 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 68 71 53 37 28 34 18 18 25 32 53 70 42 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 14 13 0 0 0 0 0 0 0 0 4 10 41 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 0 0 0 0 0 0 0 0 0 0 0 1 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 3 23 31 31 9 0 0 0 97 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 28 8 0 0 0 0 0 0 0 6 29 95 DATE OF START AND END FREEZING START = 15 NOV. END = 11 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. MEAN AND EXTREMES FOR THE YEAR 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -2.5 3.2 7.9 10.8 16.6 21.6 23.3 22.9 18.8 16.7 7.5 ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -8.0 -2.7 0.6 4.3 7.6 10.4 12.5 12.1 8.6 6.7 0.7 ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.0 9.1 15.3 17.2 25.6 32.7 34.0 33.7 28.9 26.7 14.4 ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.0 11.8 14.7 12.9 18.0 22.3 21.5 21.6 20.3 20.0 13.7 ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.07 3.20 4.06 4.65 4.58 4.60 4.73 4.72 4.24 4.25 3.87 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 3.69 4.40 5.34 5.39 5.88 6.37 5.69 6.04 5.45 4.98 5.39 ***** ***** MEAN OF MIXING RATIO AT 15 GMT. 3.21 4.42 4.63 4.77 4.63 4.90 4.59 5.02 4.64 4.47 4.71 ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -19.0 -6.5 -4.0 -3.0 4.5 8.5 11.0 10.5 7.5 5.0 -7.0 ***** ****** DAY 15 1 6 4 5 4 2 25 20 28 25 ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.5 12.0 19.5 24.0 32.0 34.5 36.0 36.0 31.0 30.0 30.0 ***** ****** DAY 1 10 12 30 30 14 30 9 2 10 28 ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 50.2 6.2 29.6 11.8 17.6 0.0 0.0 0.0 0.0 2.4 13.2 ***** ****** DAY 7 14 28 3 4 ** ** ** ** 31 6 ** MONTHLY TOTAL PRECIPITATION IN MM. 65.2 8.2 87.8 31.0 19.8 0.0 0.0 0.0 0.0 4.0 34.6 ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 64.3 20.3 0.0 15.4 NO. OF DAYS WITH PRECIPITATION. 6 4 11 6 3 0 0 0 0 5 8 *** *** NO. OF DAYS PRECIPITATION EQUAL 4 2 11 5 2 0 0 0 0 1 5 *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 2 1 1 0 0 0 0 0 1 *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 60 73 72 60 40 29 26 26 31 40 63 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 67 52 43 39 27 18 15 16 19 20 51 *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 71 71 52 47 30 19 16 18 22 25 61 *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 24 9 1 0 0 0 0 0 0 0 10 *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 8 0 0 0 0 0 0 0 0 0 0 *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 9 30 31 31 10 2 1 *** *** 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. 27 25 15 1 0 0 0 0 0 0 12 *** *** DATE OF START AND END FREEZING START = 19 NOV. END = 4 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. MEAN AND EXTREMES FOR THE YEAR 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 0.8 1.8 2.3 10.3 14.7 20.1 24.9 24.0 19.6 16.4 8.7 -1.3 11.9 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.3 -3.9 -3.1 3.9 6.5 10.4 13.7 12.4 8.8 6.1 0.0 -6.3 3.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.9 7.4 7.8 16.7 23.0 29.9 36.1 35.7 30.3 26.7 17.3 3.7 20.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.2 11.3 10.9 12.8 16.5 19.5 22.4 23.3 21.5 20.6 17.3 10.0 16.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.70 2.94 3.11 4.75 4.39 4.59 5.03 4.44 4.26 6.51 4.24 2.52 4.12 MEAN OF MIXING RATIO AT 09 GMT. 3.79 4.46 4.33 5.33 4.97 4.96 4.59 4.90 5.32 5.64 4.90 3.76 4.75 MEAN OF MIXING RATIO AT 15 GMT. 3.66 4.35 4.42 4.78 4.55 4.52 4.29 4.64 4.63 5.17 4.56 3.67 4.44 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -11.0 -9.0 -7.0 1.5 4.5 7.5 9.5 10.5 6.5 4.2 -5.5 -12.5 -12.5 DAY 23 17 1 1 2 2 1 27 30 28 24 14 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.5 10.0 12.5 22.5 26.0 34.0 38.0 37.5 31.5 29.0 25.0 12.0 38.0 DAY 9 3 27 7 16 24 11 7 3 4 3 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 13.0 11.8 20.8 56.4 9.2 0.0 0.0 0.0 0.0 14.8 12.6 31.4 56.4 DAY 28 5 7 22 29 ** ** ** ** 30 11 5 MONTHLY TOTAL PRECIPITATION IN MM. 50.8 40.8 60.1 156.8 14.6 0.0 0.0 0.0 0.0 16.5 19.2 79.4 438.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 34.6 39.1 0.0 26.3 NO. OF DAYS WITH PRECIPITATION. 9 10 8 12 3 0 0 0 0 4 5 12 63 NO. OF DAYS PRECIPITATION EQUAL 9 7 6 10 2 0 0 0 0 2 4 7 47 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 1 2 5 0 0 0 0 0 1 1 2 14 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 72 73 71 63 42 29 26 26 30 64 59 70 52 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 53 59 58 40 25 17 11 12 18 24 36 64 35 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 66 78 75 51 32 22 14 16 21 30 46 75 44 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 21 9 11 0 0 0 0 0 0 0 10 29 80 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 2 1 0 0 0 0 0 0 0 0 0 3 6 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 17 31 31 22 0 0 0 101 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. 28 28 27 0 0 0 0 0 0 0 16 31 130 DATE OF START AND END FREEZING START = 15 NOV. END = 27 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. MEAN AND EXTREMES FOR THE PERIOD 1964 TO 2003 PAGE 1 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPE. IN C. -0.6 0.3 4.7 10.6 15.2 20.3 23.9 23.1 19.0 13.5 7.5 2.1 11.6 SD OF MEAN DAILY TEMPERATURE IN C. 3.10 2.88 2.24 1.63 1.32 1.28 1.30 1.58 1.50 1.62 1.54 2.48 1.87 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.3 -5.5 -0.8 4.0 7.2 10.5 13.5 12.5 8.8 5.0 0.9 -3.4 3.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.8 6.1 10.3 17.2 23.1 30.1 34.3 33.6 29.1 22.0 14.2 7.6 19.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.9 11.6 11.2 13.2 15.9 19.6 20.7 21.1 20.3 17.0 13.3 11.0 15.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.86 2.99 4.26 5.01 5.74 6.27 7.42 6.69 5.43 4.98 4.27 3.35 4.93 MEAN OF MIXING RATIO AT 09 GMT. 3.94 4.11 4.91 5.30 5.97 6.39 6.83 6.84 6.43 5.53 5.01 4.49 5.48 MEAN OF MIXING RATIO AT 15 GMT. 3.59 3.76 4.64 5.10 5.84 6.66 7.57 7.22 6.17 5.57 4.85 4.14 5.42 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -26.0 -27.0 -22.0 -8.5 -1.0 1.0 1.2 1.0 0.0 -4.0 -14.0 -20.0 -27.0 YEAR - DAY 77-14 89- 6 92-13 67- 2 71- 3 70- 9 77- 7 77- 7 70-16 70-26 73- 7 70-16 89- 6 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.0 19.0 20.0 26.5 33.0 38.0 43.0 40.0 37.0 30.5 30.0 22.0 43.0 YEAR - DAY 66- 2 66-26 69-31 97-26 94-31 0-30 99-20 75-15 70- 1 99- 6 2-28 98-10 99-20 24 HOUR MAXIMUM PRECIPITATION IN MM. 68.8 77.0 57.4 56.4 49.0 13.0 6.0 19.0 8.2 54.0 64.0 62.0 77.0 YEAR - DAY 0-28 92-25 98-29 3-22 95-31 95- 3 71-31 69-29 96- 1 87-23 94- 7 85-19 92-25 MONTHLY TOTAL PRECIPITATION IN MM. 62.7 60.3 89.6 67.2 37.5 2.4 1.1 2.0 0.7 26.0 59.5 60.4 469.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 45.3 22.8 0.8 31.1 NO. OF DAYS WITH PRECIPITATION. 7 7 9 7 5 1 0 0 0 3 6 6 51 NO. OF DAYS PRECIPITATION EQUAL 7 7 8 7 5 1 0 0 0 3 5 6 49 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 2 3 2 1 0 0 0 0 1 2 2 15 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 69 71 73 63 55 44 44 44 47 59 68 73 59 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 63 61 56 40 31 22 19 19 23 30 44 62 39 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 70 69 66 51 41 31 28 27 29 42 57 71 49 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 20 16 6 1 0 0 0 0 0 0 4 14 61 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 5 3 1 0 0 0 0 0 0 0 0 2 11 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 17 30 29 13 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. 27 26 17 3 0 0 0 0 0 2 13 24 112 DATE OF START AND END FREEZING START = 16 SEP. END = 31 MAY IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION SHAH-ZAND LATITUDE 33 56 N DATA PROCESSING CENTER LONGITUDE 49 25 E ELEVATION 1918 MET. MEAN AND EXTREMES FOR THE PERIOD 1964 TO 2003 PAGE 2 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE DRY BULB TEMPERATURE. IN C. -0.4 0.8 5.5 11.5 16.8 22.9 26.4 25.6 21.3 15.0 8.5 2.6 13.0 AVERAGE DEW POINT TEMPERATURE. IN C. -5.4 -5.1 -1.2 0.6 2.3 3.3 5.1 4.4 2.1 0.9 -0.7 -3.3 0.2 AVERAGE OF MIXING RATIO IN G/KG 3.45 3.54 4.56 5.13 5.84 6.43 7.27 6.91 6.01 5.36 4.69 3.92 5.26 AVERAGE OF VAPOUR PRESSURE HPA 4.42 4.53 5.85 6.61 7.54 8.33 9.42 8.96 7.77 6.91 6.03 5.03 6.78 AVERAGE OF SATURATION DEFICIT IN HPA 2.44 2.69 3.91 7.63 12.66 21.36 27.19 26.10 19.59 11.43 5.91 3.07 12.00 AVERAGE RELATIVE HUMIDITY IN PERCENT 66 65 64 51 42 32 30 30 33 44 56 67 48 AVERAGE OF MAXIMUM RELATIVE HUMIDITY(%) 78 78 77 66 57 46 45 45 48 60 71 78 62 AVERAGE OF MINIMUM RELATIVE HUMIDITY(%) 54 51 50 39 30 20 18 18 22 30 41 54 36 NO. OF DAYS PRECIPITATION EQUAL 4 4 6 5 3 0 0 0 0 2 4 4 32 OR MORE THAN 5 MM.