IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 1 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. AVERAGE OF MEAN DAILY TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MAX-MIN 1961 -1.6 -0.1 3.3 8.2 15.7 17.3 17.3 17.3 14.2 10.8 7.9 5.4 18.9 1962 ****** 3.3 8.6 8.2 14.1 15.9 20.3 18.5 15.8 11.7 6.5 4.0 ****** 1963 2.7 4.2 4.3 10.8 12.4 17.3 18.9 17.3 ****** 13.0 5.9 -1.3 ****** 1964 -9.3 -0.3 5.7 6.3 14.8 18.3 18.5 18.2 ****** 11.0 5.5 -0.4 ****** 1965 -3.7 -0.5 5.0 8.8 16.0 18.3 19.6 20.4 15.9 9.9 8.1 4.1 24.1 1966 5.5 4.2 6.7 10.3 13.4 18.7 20.8 20.8 ****** ****** ****** ****** ****** 1967 -2.7 -5.9 1.9 5.0 13.8 15.7 17.4 18.8 15.7 12.4 7.1 1.6 24.7 1968 0.8 -0.3 3.8 7.4 14.4 15.0 19.1 19.4 18.1 13.5 8.1 2.9 19.7 1969 -4.1 -4.6 3.8 7.1 13.3 18.4 17.1 18.1 14.9 10.6 3.7 4.7 23.0 1970 -1.8 3.9 4.4 11.9 15.0 15.6 18.3 18.8 15.3 11.1 8.7 -1.0 20.6 1971 -4.6 -3.1 5.3 8.2 15.0 17.1 20.6 19.2 15.6 10.4 7.7 0.2 25.2 1972 -8.7 -7.4 -0.5 9.2 11.0 17.7 20.2 18.6 17.5 15.2 5.0 -4.9 28.9 1973 -7.0 -3.5 1.9 7.5 12.4 17.6 19.0 18.5 14.6 9.9 2.1 -1.3 26.0 1974 -6.1 -4.2 -0.7 7.4 17.1 17.9 17.8 17.4 15.4 13.9 7.3 -1.6 24.0 1975 -4.5 -3.6 -0.6 8.9 16.5 17.8 17.9 20.9 15.3 14.1 7.2 -1.8 25.4 1976 -4.5 -3.5 -0.7 9.4 13.2 18.4 18.4 21.3 ****** ****** ****** ****** ****** 1977 -7.4 4.5 7.2 11.6 13.7 18.2 18.3 19.5 16.9 8.6 6.7 -0.1 26.9 1978 1.1 3.7 7.9 10.4 12.8 15.2 19.1 17.9 19.2 13.5 -0.4 3.8 19.6 1979 -0.5 2.5 5.6 11.9 ****** ****** 19.9 20.1 18.9 13.3 8.1 2.2 ****** 1980 -3.3 -2.9 2.9 12.6 15.4 18.2 21.5 18.9 16.8 11.2 9.2 4.1 24.8 1981 1.5 2.6 5.8 8.9 13.2 16.9 19.6 19.4 17.9 13.0 7.9 6.0 18.1 1982 -1.9 -3.8 2.9 13.6 14.8 17.7 20.8 17.7 16.3 9.6 0.5 -4.0 24.8 1983 -5.6 -0.6 1.5 9.0 14.4 15.9 19.9 17.9 13.7 11.2 8.7 -0.3 25.5 1984 -0.1 -5.8 3.6 10.2 9.5 14.0 18.2 16.1 13.9 8.9 6.0 -6.6 24.8 1985 -4.7 0.1 -2.3 10.3 12.9 16.4 16.3 17.0 15.0 8.6 6.9 -1.6 21.7 1986 -1.1 0.2 -0.7 7.9 11.9 14.4 18.3 17.5 15.2 11.5 3.9 -2.9 21.2 1987 3.2 2.0 3.2 7.4 15.5 17.2 17.2 17.6 14.0 5.9 5.9 2.8 15.6 1988 -5.6 -2.7 4.7 9.1 11.7 17.1 17.9 16.8 14.2 11.4 6.3 1.5 23.5 1989 -11.0 -11.2 3.4 10.1 12.8 15.8 18.6 18.0 14.2 12.1 7.1 1.1 29.8 1990 -8.7 -4.4 2.8 7.6 11.8 16.8 17.4 16.0 15.9 10.5 8.1 -0.9 26.1 1991 -6.6 -2.9 2.6 10.2 12.1 15.0 18.5 16.7 13.9 11.8 6.2 -2.1 25.1 1992 -6.1 -1.6 0.7 7.4 9.7 15.1 16.7 15.3 13.7 10.8 5.8 -1.0 22.8 1993 -6.6 -4.6 1.9 8.7 12.8 15.4 16.4 16.9 15.2 8.9 -1.4 -4.7 23.5 1994 -1.8 -2.6 3.7 10.5 12.8 13.8 15.4 16.5 12.5 10.6 5.8 -2.5 19.1 1995 1.4 1.0 4.2 9.6 12.2 15.9 17.2 17.9 14.6 8.8 6.6 -1.7 19.6 1996 -3.6 -1.1 1.0 6.9 13.7 14.4 18.1 17.4 16.7 10.7 4.5 5.0 21.7 1997 -1.5 -5.8 -1.2 10.7 13.5 17.9 18.3 18.9 14.9 13.9 6.0 1.9 24.7 1998 -4.1 -4.8 4.8 11.2 13.4 17.7 18.7 19.4 15.9 12.1 9.0 4.4 24.2 1999 1.7 4.3 3.8 8.9 12.5 16.0 17.3 21.1 15.6 11.5 3.9 4.6 19.4 2000 -0.8 -0.2 2.0 13.3 12.9 15.3 18.9 19.3 16.4 9.5 4.8 2.3 20.1 MEAN -3.1 -1.4 3.1 9.3 13.5 16.6 18.5 18.3 15.5 11.2 6.0 0.6 21.6 SD 3.78 3.70 2.58 1.92 1.67 1.39 1.36 1.45 1.51 1.91 2.48 3.22 2.25 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 2 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. AVERAGE OF MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 -6.8 -5.6 -2.9 2.3 8.7 9.8 11.2 10.4 9.4 4.9 0.8 -1.6 3.4 1962 -7.5 -2.5 1.1 2.4 7.3 9.5 13.0 10.9 8.8 5.4 1.3 -1.4 4.0 1963 -1.8 -1.1 -2.1 4.2 6.9 10.3 12.5 11.3 ****** 6.4 -0.6 -6.5 ****** 1964 -15.5 -5.1 1.1 2.1 7.5 11.0 11.8 11.4 ****** 3.1 -0.2 -5.5 ****** 1965 -8.1 -5.9 -0.9 2.6 8.0 10.3 12.5 12.4 9.4 4.2 0.5 -2.3 3.6 1966 0.6 -2.1 0.3 3.7 6.6 11.0 12.0 13.4 9.7 6.0 2.2 -2.0 5.1 1967 -7.0 -9.6 -2.6 -0.7 6.4 8.2 11.0 11.7 8.9 5.8 1.9 -4.7 2.4 1968 -4.4 -6.8 -2.1 1.3 7.6 8.1 11.4 11.7 9.6 7.4 3.7 -1.4 3.9 1969 -7.3 -9.3 -1.4 2.2 7.1 11.3 10.8 10.9 8.0 5.2 -1.2 -0.6 3.0 1970 -6.2 -2.7 -1.1 5.9 7.6 8.5 11.9 12.9 8.1 3.5 0.7 -6.0 3.6 1971 -10.6 -9.0 -1.2 2.3 7.2 9.0 12.0 10.7 7.3 3.7 0.6 -5.5 2.2 1972 -14.4 -12.7 -5.1 2.6 4.9 10.0 12.8 11.5 9.7 7.5 -0.5 -9.3 1.4 1973 -12.4 -7.8 -3.0 2.5 6.3 11.4 12.7 12.3 8.3 4.5 -2.9 -6.3 2.1 1974 -10.9 -8.5 -4.2 2.5 9.4 11.2 11.9 11.9 9.7 6.4 0.9 -5.3 2.9 1975 -8.3 -7.7 -3.9 4.0 8.9 11.1 11.7 14.9 9.7 6.7 0.8 -5.6 3.5 1976 -8.3 -7.5 -4.1 4.4 8.4 11.6 12.3 15.2 ****** ****** ****** ****** ****** 1977 -13.1 -2.1 1.5 4.4 6.7 10.8 11.9 12.5 9.9 2.2 0.0 -4.4 3.4 1978 -3.9 -1.9 0.9 3.5 6.0 8.6 11.2 11.3 10.6 7.7 -5.0 -1.0 4.0 1979 -5.3 -2.3 -0.2 5.1 ****** ****** 13.3 11.7 10.4 7.0 2.2 -2.8 ****** 1980 -8.8 -8.0 -2.6 5.0 7.9 10.6 14.0 12.8 9.4 5.5 3.9 -1.0 4.1 1981 -3.5 -2.2 0.0 2.9 6.9 10.4 13.1 14.0 10.8 6.9 2.0 0.4 5.2 1982 -7.5 -8.8 -2.7 6.6 9.4 11.1 13.7 11.8 10.9 4.9 -3.2 -8.4 3.1 1983 -10.3 -5.6 -3.8 1.9 8.5 10.0 12.6 12.4 7.8 4.2 2.8 -6.0 2.9 1984 -7.1 -10.6 -1.4 2.6 3.3 7.9 11.0 10.6 6.8 2.7 1.6 -10.9 1.4 1985 -10.9 -4.6 -8.3 3.6 5.3 9.3 11.8 9.8 7.8 2.6 1.0 -6.8 1.7 1986 -7.2 -5.0 -5.0 2.0 5.0 7.4 11.4 10.1 6.2 5.9 0.8 -8.3 1.9 1987 -2.9 -3.9 -2.3 -0.4 7.1 9.0 9.3 11.2 7.8 2.4 -1.2 -3.4 2.7 1988 -11.2 -7.7 -1.7 2.8 5.2 9.1 11.3 12.2 8.4 6.4 -0.1 -5.2 2.5 1989 -18.1 -19.9 -2.1 1.5 5.3 8.5 12.3 12.1 7.2 5.8 2.1 -4.1 0.9 1990 -15.2 -9.3 -3.2 0.9 4.3 9.0 11.0 10.9 8.3 4.0 0.5 -6.1 1.2 1991 -12.4 -7.8 -2.1 2.9 5.6 7.9 11.7 10.4 6.9 5.7 1.3 -7.3 1.9 1992 -11.5 -6.4 -4.7 1.0 4.0 9.0 11.2 9.3 8.0 2.5 -0.5 -5.3 1.4 1993 -12.1 -9.6 -3.8 1.8 5.8 8.6 10.2 10.0 7.7 1.7 -5.3 -11.2 0.3 1994 -7.7 -7.3 -2.6 2.8 5.7 7.4 9.1 11.0 4.2 3.8 0.3 -7.7 1.6 1995 -4.8 -5.5 -4.1 2.2 4.1 7.6 11.0 11.4 7.3 2.4 -2.1 -8.5 1.8 1996 -9.0 -7.1 -4.2 0.4 6.6 7.1 10.8 10.5 9.4 4.2 -1.8 -1.0 2.1 1997 -7.5 -11.6 -7.4 3.0 5.8 11.2 13.2 12.5 8.6 6.0 0.1 -3.0 2.6 1998 -8.5 -10.5 -0.6 3.7 6.8 10.2 11.8 12.4 9.8 4.9 2.8 -1.5 3.4 1999 -3.1 -3.1 -3.5 2.2 4.5 8.2 9.7 13.9 10.0 3.9 -1.7 -0.5 3.4 2000 -5.0 -5.2 -3.7 6.3 5.6 7.6 10.8 12.4 10.3 5.0 0.5 -2.1 3.5 MEAN -8.4 -6.7 -2.5 2.8 6.5 9.5 11.7 11.8 8.7 4.8 0.2 -4.6 2.8 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 3 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. AVERAGE OF MAXIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 3.6 5.4 9.5 14.0 22.7 24.7 23.4 24.2 18.9 16.8 15.1 12.3 15.9 1962 ****** 8.7 16.2 13.9 20.8 22.3 27.7 26.0 22.8 18.0 11.8 9.4 ****** 1963 7.1 9.4 10.7 17.3 17.9 24.3 25.2 23.3 ****** 19.7 12.4 3.8 ****** 1964 -3.0 4.5 10.3 10.5 22.1 25.5 25.3 24.9 ****** 18.9 11.2 4.6 ****** 1965 0.7 4.9 11.0 15.1 24.1 26.3 26.7 28.4 22.5 15.6 15.8 10.5 16.8 1966 10.3 10.6 13.0 16.9 20.2 26.4 29.5 28.1 ****** ****** ****** ****** ****** 1967 1.5 -2.1 6.3 10.8 21.3 23.2 23.8 26.0 22.5 19.1 12.3 7.9 14.4 1968 6.0 6.2 9.8 13.4 21.2 21.9 26.8 27.1 26.6 19.6 12.5 6.8 16.5 1969 -0.8 0.2 9.0 12.0 19.5 25.4 23.3 25.2 21.8 16.0 8.5 9.9 14.2 1970 2.5 10.5 10.0 17.9 22.5 22.7 24.7 24.7 22.5 18.6 16.7 4.1 16.5 1971 1.4 2.9 11.8 14.0 22.8 25.2 29.2 27.6 23.8 17.1 14.8 5.9 16.4 1972 -3.0 -2.2 4.1 15.8 17.1 25.4 27.5 25.7 25.3 22.8 10.4 -0.6 14.0 1973 -1.7 0.7 6.8 12.6 18.5 23.8 25.4 24.7 21.0 15.2 7.0 3.7 13.1 1974 -1.3 0.0 2.8 12.3 24.7 24.6 23.7 22.9 21.0 21.3 13.7 2.0 14.0 1975 -0.8 0.5 2.8 13.7 24.1 24.5 24.1 26.9 20.9 21.6 13.6 2.0 14.5 1976 -0.7 0.5 2.8 14.4 18.1 25.2 24.5 27.4 ****** ****** ****** ****** ****** 1977 -1.8 11.0 13.0 18.7 20.6 25.6 24.7 26.4 24.0 15.1 13.4 4.2 16.3 1978 6.1 9.2 14.8 17.4 19.7 21.9 27.1 24.5 27.8 19.3 4.3 8.6 16.7 1979 4.2 7.3 11.2 18.7 ****** ****** 26.5 28.3 27.4 19.6 14.0 7.3 ****** 1980 2.2 2.2 8.4 20.2 23.0 25.7 28.9 25.0 24.2 17.0 14.6 9.2 16.7 1981 6.5 7.4 11.5 14.9 19.5 23.4 26.1 24.7 25.0 19.1 13.8 11.6 16.9 1982 3.6 1.2 8.4 20.7 20.3 24.4 27.8 23.5 21.7 14.2 4.3 0.4 14.2 1983 -0.9 4.4 7.1 16.0 20.2 21.9 27.3 23.4 19.6 18.2 14.6 5.7 14.8 1984 6.8 -0.9 8.5 17.7 15.7 20.1 25.4 21.5 20.8 15.0 10.4 -2.3 13.2 1985 1.5 4.9 4.0 17.1 20.6 23.5 20.7 24.2 22.2 14.6 12.8 3.5 14.1 1986 5.0 5.5 3.5 13.8 18.7 21.4 25.2 25.1 24.2 17.1 7.1 2.4 14.1 1987 9.4 7.8 8.7 15.2 23.8 25.4 25.0 23.9 20.1 9.3 12.9 7.3 15.7 1988 -0.1 2.2 11.0 15.3 18.2 25.0 24.4 21.3 20.0 16.3 12.7 8.2 14.6 1989 -3.7 -2.0 8.9 18.7 20.3 23.2 24.9 23.9 21.1 18.4 12.0 6.3 14.3 1990 -2.3 0.4 8.9 14.4 19.4 24.5 23.7 21.2 23.5 17.0 15.8 4.4 14.2 1991 -0.9 1.9 7.4 17.4 18.6 22.1 25.3 23.0 20.9 18.0 11.0 3.1 14.0 1992 -0.7 3.2 6.0 13.7 15.4 21.1 22.3 21.3 19.5 19.0 12.0 3.3 13.0 1993 -1.1 0.4 7.6 15.6 19.7 22.3 22.5 23.9 22.8 16.0 2.6 1.7 12.8 1994 4.1 2.2 10.0 18.1 20.0 20.3 21.7 21.9 20.8 17.4 11.3 2.7 14.2 1995 7.6 7.4 12.5 17.0 20.3 24.2 23.5 24.3 21.9 15.2 15.2 5.2 16.2 1996 1.9 4.9 6.3 13.5 20.8 21.7 25.4 24.2 24.0 17.2 10.9 11.0 15.1 1997 4.6 0.0 4.9 18.4 21.3 24.6 23.4 25.3 21.1 21.7 12.0 6.8 15.3 1998 0.3 0.9 10.2 18.7 20.1 25.3 25.6 26.4 22.0 19.2 15.1 10.3 16.2 1999 6.5 11.6 11.2 15.5 20.5 23.9 24.8 28.2 21.2 19.1 9.5 9.6 16.8 2000 3.3 4.8 7.6 20.3 20.3 23.0 27.1 26.2 22.5 14.0 9.1 6.7 15.4 MEAN 2.2 4.0 8.7 15.8 20.4 23.7 25.3 24.9 22.4 17.6 11.8 5.8 15.2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 4 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 10.4 11.0 12.4 11.7 14.0 14.9 12.2 13.8 9.5 11.9 14.3 13.9 12.5 1962 ****** 11.2 15.1 11.5 13.5 12.8 14.7 15.1 14.0 12.6 10.5 10.8 ****** 1963 8.9 10.5 12.8 13.1 11.0 14.0 12.7 12.0 ****** 13.3 13.0 10.3 ****** 1964 12.5 9.6 9.2 8.4 14.6 14.5 13.5 13.5 ****** 15.8 11.4 10.1 ****** 1965 8.8 10.8 11.9 12.5 16.1 16.0 14.2 16.0 13.1 11.4 15.2 12.8 13.2 1966 9.7 12.7 12.7 13.2 13.6 15.4 17.5 14.7 ****** ****** ****** ****** ****** 1967 8.5 7.5 8.9 11.5 14.9 15.0 12.8 14.3 13.6 13.3 10.4 12.6 11.9 1968 10.4 13.0 11.9 12.1 13.6 13.8 15.4 15.4 17.0 12.2 8.8 8.2 12.6 1969 6.5 9.5 10.4 9.8 12.4 14.1 12.5 14.3 13.8 10.8 9.7 10.5 11.2 1970 8.7 13.2 11.1 12.0 14.9 14.2 12.8 11.8 14.4 15.1 16.0 10.1 12.9 1971 12.0 11.9 13.0 11.7 15.6 16.2 17.2 16.9 16.5 13.4 14.2 11.4 14.2 1972 11.4 10.5 9.2 13.2 12.2 15.4 14.7 14.2 15.5 15.3 10.9 8.7 12.6 1973 10.7 8.5 9.8 10.1 12.2 12.4 12.7 12.4 12.7 10.7 9.9 10.0 11.0 1974 9.6 8.5 7.0 9.8 15.3 13.4 11.8 11.0 11.3 14.9 12.8 7.3 11.1 1975 7.5 8.2 6.7 9.7 15.2 13.4 12.4 12.0 11.2 14.9 12.9 7.6 11.0 1976 7.6 8.0 6.9 10.0 9.7 13.6 12.2 12.2 ****** ****** ****** ****** ****** 1977 11.3 13.1 11.5 14.3 13.9 14.8 12.8 13.9 14.1 12.9 13.4 8.6 12.9 1978 10.0 11.1 13.9 13.9 13.7 13.3 15.9 13.2 17.2 11.6 9.3 9.6 12.7 1979 9.5 9.6 11.4 13.6 ****** ****** 13.2 16.6 17.0 12.6 11.8 10.1 ****** 1980 11.0 10.2 11.0 15.2 15.1 15.1 14.9 12.2 14.8 11.5 10.7 10.2 12.7 1981 10.0 9.6 11.5 12.0 12.6 13.0 13.0 10.7 14.2 12.2 11.8 11.2 11.8 1982 11.1 10.0 11.1 14.1 10.9 13.3 14.1 11.7 10.8 9.3 7.5 8.8 11.1 1983 9.4 10.0 10.9 14.1 11.7 11.9 14.7 11.0 11.8 14.0 11.8 11.7 11.9 1984 13.9 9.7 9.9 15.1 12.4 12.2 14.4 10.9 14.0 12.3 8.8 8.6 11.8 1985 12.4 9.5 12.3 13.5 15.3 14.2 8.9 14.4 14.4 12.0 11.8 10.3 12.4 1986 12.2 10.5 8.5 11.8 13.7 14.0 13.8 15.0 18.0 11.2 6.3 10.7 12.1 1987 12.3 11.7 11.0 15.6 16.7 16.4 15.7 12.7 12.3 6.9 14.1 10.7 13.0 1988 11.1 9.9 12.7 12.5 13.0 15.9 13.1 9.1 11.6 9.9 12.8 13.4 12.1 1989 14.4 17.9 11.0 17.2 15.0 14.7 12.6 11.8 13.9 12.6 9.9 10.4 13.4 1990 12.9 9.7 12.1 13.5 15.1 15.5 12.7 10.3 15.2 13.0 15.3 10.5 13.0 1991 11.5 9.7 9.5 14.5 13.0 14.2 13.6 12.6 14.0 12.3 9.7 10.4 12.1 1992 10.8 9.6 10.7 12.7 11.4 12.1 11.1 12.0 11.5 16.5 12.5 8.6 11.6 1993 11.0 10.0 11.4 13.8 13.9 13.7 12.3 13.9 15.1 14.3 7.9 12.9 12.5 1994 11.8 9.5 12.6 15.3 14.3 12.9 12.6 10.9 16.6 13.6 11.0 10.4 12.6 1995 12.4 12.9 16.6 14.8 16.2 16.6 12.5 12.9 14.6 12.8 17.3 13.7 14.4 1996 10.9 12.0 10.5 13.1 14.2 14.6 14.6 13.7 14.6 13.0 12.7 12.0 13.0 1997 12.1 11.6 12.3 15.4 15.5 13.4 10.2 12.8 12.5 15.7 11.9 9.8 12.8 1998 8.8 11.4 10.8 15.0 13.3 15.1 13.8 14.0 12.2 14.3 12.3 11.8 12.7 1999 9.6 14.7 14.7 13.3 16.0 15.7 15.1 14.3 11.2 15.2 11.2 10.1 13.4 2000 8.3 10.0 11.3 14.0 14.7 15.4 16.3 13.8 12.2 9.0 8.6 8.8 11.9 MEAN 10.6 10.7 11.2 13.0 13.9 14.3 13.5 13.1 13.8 12.7 11.6 10.5 12.4 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 5 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 2.38 2.73 3.42 5.23 8.02 8.64 9.24 8.81 7.95 5.94 4.21 3.38 5.83 1962 2.00 3.13 4.35 4.81 7.02 8.12 9.76 8.65 7.53 6.16 4.62 3.58 5.81 1963 3.34 3.76 3.62 5.53 7.03 8.47 9.56 9.21 ****** 6.83 3.92 2.58 ****** 1964 0.87 2.58 4.34 4.87 6.65 8.47 8.83 8.83 ****** 5.02 3.91 2.22 ****** 1965 1.93 2.37 3.41 4.80 6.98 8.15 9.55 9.42 7.84 5.69 3.93 3.24 5.61 1966 3.53 3.36 3.65 4.54 5.99 8.63 9.17 9.58 8.06 6.32 4.60 3.28 5.89 1967 2.26 2.13 3.04 3.08 6.02 6.98 8.28 8.65 7.81 5.48 4.79 3.00 5.13 1968 2.39 1.88 2.70 4.19 6.44 6.77 9.50 8.72 7.43 6.18 4.96 3.49 5.39 1969 2.27 2.14 4.27 4.67 7.00 8.61 9.06 9.78 7.22 6.21 4.08 3.84 5.76 1970 2.40 3.17 3.58 6.56 6.82 7.40 9.71 10.14 8.64 5.75 4.69 2.53 5.95 1971 1.79 2.12 3.76 4.46 7.33 8.67 10.48 9.63 6.93 4.89 4.02 2.45 5.54 1972 1.47 1.67 2.68 5.30 5.89 8.14 8.72 8.29 7.26 6.49 3.73 1.92 5.13 1973 1.69 2.36 2.35 3.95 5.67 9.21 8.59 9.75 6.52 5.02 3.11 2.58 5.07 1974 1.47 1.81 2.44 4.68 7.55 8.32 8.52 8.98 7.43 5.68 3.76 2.21 5.24 1975 1.54 1.67 2.41 5.06 7.36 8.06 8.50 10.35 7.41 5.92 3.86 2.36 5.38 1976 1.93 1.97 2.67 5.49 7.93 7.96 9.37 11.17 ****** ****** ****** ****** ****** 1977 1.61 2.98 4.02 5.11 6.69 9.48 9.60 9.40 7.88 4.54 3.92 2.78 5.67 1978 2.89 3.19 3.69 4.51 6.56 7.73 8.24 8.65 7.23 6.81 2.79 3.51 5.48 1979 2.56 3.24 3.88 5.02 ****** ****** 10.13 8.03 7.58 6.79 4.65 3.16 ****** 1980 2.26 2.35 3.40 4.86 6.80 7.72 9.08 9.08 7.79 5.74 5.07 3.32 5.62 1981 2.81 3.16 3.94 4.74 6.18 8.16 9.57 10.33 7.52 6.54 3.89 3.33 5.85 1982 2.25 1.97 2.83 5.19 7.18 8.38 9.44 8.38 8.30 5.70 3.12 1.80 5.38 1983 1.74 2.19 2.88 4.19 7.24 9.34 10.56 9.74 7.61 4.80 4.23 2.87 5.62 1984 2.79 2.25 3.83 4.52 5.78 7.53 8.58 8.73 7.29 6.00 5.15 2.23 5.39 1985 2.26 2.90 2.90 5.17 6.33 8.19 9.71 7.82 7.41 5.43 4.77 3.24 5.51 1986 2.52 2.97 3.15 5.33 6.76 8.44 9.88 8.36 6.79 6.72 4.65 2.42 5.67 1987 2.76 3.32 3.57 4.02 6.19 6.88 7.38 9.04 7.69 5.38 3.71 3.31 5.27 1988 2.14 2.47 3.62 5.25 6.60 8.62 9.63 10.09 8.14 6.73 3.95 2.91 5.84 1989 1.31 1.16 3.78 4.65 6.23 8.27 9.53 9.70 7.37 6.21 4.87 3.36 5.54 1990 1.71 2.48 3.44 4.73 6.04 9.07 10.03 9.91 8.01 6.01 4.43 3.16 5.75 1991 2.00 2.71 3.99 5.56 6.90 8.95 10.26 9.08 7.36 6.39 4.79 2.86 5.90 1992 2.03 2.56 3.25 5.28 6.26 8.88 9.50 8.11 7.90 5.37 4.15 3.06 5.53 1993 1.95 2.32 3.06 4.69 6.92 8.76 9.81 9.08 7.75 4.98 3.38 2.22 5.41 1994 2.75 2.66 3.68 5.38 6.88 7.51 8.06 9.64 6.00 5.89 4.45 2.78 5.47 1995 3.19 3.01 3.41 5.18 6.33 8.08 8.96 9.51 7.64 5.64 3.63 2.48 5.59 1996 2.35 2.70 3.42 4.82 7.61 8.36 10.05 9.60 8.54 5.94 4.30 4.06 5.98 1997 2.56 2.09 2.79 4.84 6.78 9.56 10.73 10.20 7.59 5.50 4.21 3.31 5.85 1998 2.45 2.32 3.98 5.11 6.90 9.10 9.61 9.93 8.29 5.43 4.81 3.53 5.96 1999 3.29 3.17 3.47 4.84 6.63 7.66 8.46 10.47 8.92 5.37 3.89 3.60 5.81 2000 2.78 2.78 3.37 5.43 6.47 7.64 8.41 9.51 9.02 6.32 4.59 3.66 5.83 MEAN 2.26 2.55 3.41 4.90 6.72 8.28 9.31 9.31 7.67 5.85 4.20 2.97 5.61 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 6 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 3.39 4.44 5.37 8.66 14.39 16.69 14.31 15.84 11.72 10.38 8.26 5.30 9.90 1962 3.31 4.57 7.34 7.56 11.15 12.48 14.86 14.65 12.88 9.64 6.27 5.23 9.16 1963 4.65 5.28 5.81 8.17 10.13 13.04 13.85 12.85 ****** 11.07 6.89 3.45 ****** 1964 2.14 4.60 6.71 6.93 12.11 13.77 12.95 13.84 ****** 9.62 5.57 3.71 ****** 1965 2.69 4.10 5.72 7.83 12.70 14.60 15.15 16.86 12.47 8.94 6.96 5.09 9.42 1966 5.07 5.35 5.55 7.38 10.01 14.49 17.27 16.24 12.76 8.81 7.75 5.55 9.69 1967 3.21 2.25 3.94 5.29 11.57 12.45 12.32 14.59 13.53 10.95 7.20 4.26 8.46 1968 3.41 3.68 4.70 7.13 11.52 12.05 16.39 15.81 15.69 8.32 6.19 4.15 9.09 1969 2.88 3.57 6.49 6.60 9.45 10.76 12.23 13.68 11.47 8.70 5.57 5.95 8.11 1970 4.11 5.59 6.45 11.15 11.75 14.88 13.97 16.41 17.44 13.44 12.00 5.28 11.04 1971 4.02 4.49 7.37 9.29 15.39 18.94 23.54 21.84 15.17 6.96 8.37 4.02 11.62 1972 2.40 2.73 3.33 7.62 10.81 14.87 15.93 9.63 10.83 9.86 5.46 2.88 8.03 1973 2.24 2.89 3.82 5.42 9.45 14.87 15.57 15.38 10.56 7.45 4.79 3.20 7.97 1974 2.51 2.45 2.83 6.59 13.20 13.50 13.47 13.20 11.70 11.05 7.51 3.46 8.46 1975 2.37 2.37 2.96 7.40 12.64 13.44 13.08 17.35 11.56 11.39 7.74 3.65 8.83 1976 2.71 2.74 3.22 8.13 11.34 14.02 15.60 19.35 ****** ****** ****** ****** ****** 1977 2.20 3.91 5.48 7.25 9.19 13.41 12.97 10.69 9.17 5.48 5.04 3.34 7.34 1978 3.37 3.65 4.31 4.77 8.33 9.43 10.33 10.79 9.11 8.00 3.78 4.23 6.68 1979 3.41 4.29 4.85 6.30 ****** ****** 12.42 9.85 9.27 8.21 5.87 4.07 ****** 1980 3.05 3.34 4.64 5.63 8.75 9.21 11.63 11.20 9.21 7.10 6.16 4.23 7.01 1981 3.39 3.34 4.71 5.57 6.58 8.52 10.97 11.08 8.30 7.74 4.51 3.87 6.55 1982 2.63 2.46 3.38 5.90 7.26 8.49 10.37 9.67 8.89 6.28 3.60 2.48 5.95 1983 2.35 2.89 3.67 4.91 8.12 10.45 11.67 10.36 8.32 5.25 4.65 3.89 6.38 1984 3.69 2.83 4.45 4.66 6.19 8.07 10.24 9.68 8.64 6.78 5.69 2.91 6.15 1985 3.23 3.23 3.85 5.82 7.08 9.22 10.61 8.54 8.37 6.43 5.64 3.72 6.31 1986 3.36 3.63 3.93 5.55 7.36 9.43 10.80 9.52 7.62 7.25 5.04 3.11 6.38 1987 3.34 3.86 3.74 4.76 6.82 7.65 8.27 9.28 8.21 5.89 4.14 3.60 5.80 1988 3.02 2.88 3.81 5.21 7.37 9.20 10.15 10.93 9.26 7.52 4.11 3.49 6.41 1989 1.99 2.23 4.30 4.93 6.27 8.47 10.77 10.28 8.15 7.00 5.60 4.04 6.17 1990 2.49 2.99 4.16 5.77 6.51 9.77 11.76 11.82 9.30 6.69 4.98 3.82 6.67 1991 2.99 3.51 4.75 6.21 7.59 10.21 11.06 11.13 8.65 6.92 5.90 3.67 6.88 1992 2.60 3.08 3.91 5.37 6.88 9.68 11.03 9.75 9.33 7.16 4.82 3.55 6.43 1993 2.80 3.04 3.78 4.90 6.93 9.21 11.27 10.57 8.69 6.17 3.94 3.38 6.22 1994 3.55 3.02 3.99 6.16 7.92 9.23 10.14 12.23 8.41 6.60 4.86 3.35 6.62 1995 3.85 3.73 3.78 5.66 6.80 8.44 9.33 10.69 10.06 7.20 4.44 3.13 6.43 1996 3.11 3.26 3.94 4.82 7.88 8.82 11.94 11.13 9.83 6.87 5.01 4.77 6.78 1997 3.23 2.80 3.30 5.08 7.24 10.89 11.73 11.12 7.81 6.18 4.90 3.63 6.49 1998 2.98 3.05 4.29 5.50 8.09 10.24 10.88 10.86 9.38 6.02 5.33 4.05 6.72 1999 3.72 3.90 4.22 5.13 7.72 9.22 10.02 11.38 9.96 6.12 4.56 4.35 6.69 2000 3.30 3.32 3.77 5.62 7.24 8.98 10.46 10.81 9.88 6.79 4.93 4.10 6.60 MEAN 3.12 3.49 4.52 6.32 9.18 11.31 12.54 12.53 10.32 7.91 5.75 3.95 7.57 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 7 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 2.89 3.40 4.15 6.78 11.96 13.13 11.97 12.83 9.91 8.27 6.76 4.45 8.04 1962 2.33 3.89 5.64 6.43 9.46 10.56 13.11 12.66 10.68 8.11 5.59 4.66 7.76 1963 3.67 4.33 4.34 7.16 8.98 10.57 11.45 10.71 ****** 9.65 5.18 2.76 ****** 1964 1.09 3.50 5.56 5.87 10.31 11.22 9.69 10.94 ****** 7.90 4.59 3.20 ****** 1965 2.09 2.96 4.49 6.13 10.47 11.50 11.98 12.39 10.05 7.41 5.39 3.83 7.39 1966 4.06 4.30 4.17 5.69 8.16 10.97 13.00 12.35 10.03 7.11 5.74 3.85 7.45 1967 2.88 1.88 3.15 4.26 8.85 10.13 9.76 11.01 9.99 8.79 6.14 3.19 6.67 1968 2.72 2.79 3.32 5.12 7.48 8.52 12.49 11.73 12.11 7.97 5.86 4.27 7.03 1969 2.68 2.61 5.15 5.24 7.76 9.80 10.67 12.97 11.01 7.47 4.65 4.57 7.05 1970 2.92 3.73 4.04 7.38 8.24 10.58 10.40 12.57 10.36 8.23 6.96 3.64 7.42 1971 2.36 2.76 4.75 5.59 9.50 11.17 12.08 10.91 8.51 5.85 5.41 3.05 6.83 1972 1.89 2.05 3.08 6.77 7.04 9.93 11.58 10.76 8.24 7.71 4.11 2.20 6.28 1973 1.93 2.59 2.70 4.61 7.18 10.77 12.05 12.76 9.10 6.12 3.60 2.46 6.32 1974 1.79 2.06 2.46 5.10 11.02 10.33 11.08 11.20 8.56 7.17 5.27 2.42 6.54 1975 1.72 2.07 2.47 5.78 10.25 10.28 10.99 14.61 8.46 7.25 5.16 2.63 6.81 1976 2.28 2.19 2.61 6.04 9.16 10.56 13.55 15.03 ****** ****** ****** ****** ****** 1977 2.33 3.90 5.35 6.82 9.24 13.51 12.54 10.90 9.77 5.99 5.26 3.22 7.40 1978 3.31 3.76 4.17 5.12 8.41 9.81 10.72 10.93 9.21 7.96 3.58 4.02 6.75 1979 3.18 4.26 4.63 5.77 ****** ****** 12.60 10.76 10.10 8.10 5.86 3.71 ****** 1980 2.69 2.99 4.36 5.90 8.76 9.66 11.19 11.05 9.17 6.96 5.92 3.74 6.87 1981 3.25 3.43 4.33 5.68 6.92 9.44 10.96 11.56 8.86 7.66 4.31 3.60 6.67 1982 2.48 2.36 3.18 5.74 7.56 9.02 10.69 9.72 9.94 6.36 3.51 2.24 6.07 1983 2.07 2.60 3.33 5.10 8.18 10.56 11.88 10.51 8.66 5.89 4.60 3.56 6.41 1984 3.36 2.76 4.34 5.27 6.68 8.73 10.29 10.11 9.98 7.47 5.63 2.68 6.44 1985 3.19 2.87 3.66 5.73 7.76 10.19 10.92 10.09 10.16 6.82 5.40 3.43 6.68 1986 3.10 3.28 3.65 5.88 7.80 9.61 10.98 10.93 9.33 7.50 5.03 2.84 6.66 1987 2.84 3.66 3.78 4.48 7.24 8.08 8.78 10.75 9.19 6.19 4.01 3.47 6.04 1988 2.90 2.87 3.77 6.03 7.82 10.18 11.02 11.32 10.20 7.91 4.19 2.97 6.76 1989 1.87 1.98 4.35 5.45 7.14 9.41 10.53 11.35 9.74 6.92 5.51 3.57 6.49 1990 2.24 2.84 4.14 6.05 7.15 10.74 12.11 11.64 10.41 7.09 4.98 3.67 6.92 1991 2.89 3.28 4.65 7.14 7.90 9.99 11.60 11.55 9.77 7.96 5.76 3.30 7.15 1992 2.45 2.85 3.93 5.31 7.43 10.17 10.68 10.03 9.85 7.30 4.38 3.42 6.48 1993 2.57 2.94 3.87 5.12 7.56 9.85 11.44 11.14 9.51 6.83 3.83 3.13 6.48 1994 3.50 2.86 3.98 6.50 8.29 9.03 10.05 12.85 9.97 7.58 5.02 3.06 6.89 1995 3.76 3.58 4.27 6.09 7.57 9.47 10.01 12.27 10.65 7.24 4.47 2.79 6.85 1996 3.07 3.17 3.84 5.07 8.28 9.33 12.17 11.97 10.51 7.05 5.47 4.67 7.05 1997 3.05 2.66 3.35 5.45 7.61 11.30 12.19 12.25 8.62 6.98 4.83 3.48 6.81 1998 2.85 2.95 4.38 6.37 8.60 10.78 11.37 11.93 9.97 6.58 5.35 4.12 7.11 1999 3.64 3.72 4.89 5.57 7.57 9.18 10.51 12.54 10.67 7.17 4.34 3.93 6.98 2000 3.09 3.26 3.92 6.04 7.35 9.83 11.23 11.56 11.07 7.27 5.09 4.08 6.98 MEAN 2.73 3.05 4.01 5.79 8.33 10.21 11.31 11.63 9.80 7.33 5.05 3.44 6.89 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 8 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. ABSOLUTE OF MINIMUM TEMPERATURE WITH DAY YEAR JAN. DAY FEB. DAY MAR. DAY APR. DAY MAY DAY JUNE DAY JULY DAY AUG. DAY SEP. DAY OCT. DAY NOV. DAY DEC. DAY ANNUAL 1961 -18.0 31 -16.0 1 -12.0 4 -5.0 17 4.5 30 5.5 7 7.0 18 7.0 10 6.0 20 -1.0 30 -8.5 24 -8.5 25 -18.0 1962 -17.0 6 -11.0 1 -4.5 13 -1.5 19 2.5 1 4.0 11 10.5 8 6.5 11 3.0 27 -0.5 24 -7.0 29 -13.0 11 -17.0 1963 -12.0 6 -10.5 8 -16.0 8 1.0 3 2.0 13 6.0 17 10.0 10 9.0 7 ***** ** 0.5 28 -6.0 27 -18.5 26 ***** 1964 -27.0 21 -15.5 28 -6.0 8 -5.0 15 -1.0 2 8.0 23 9.0 27 8.5 27 ***** ** -2.0 6 -11.5 29 -14.5 20 ***** 1965 -15.0 18 -18.5 17 -14.5 13 -6.0 6 3.5 4 6.5 27 8.5 2 7.5 23 5.5 2 -7.0 28 -4.0 19 -11.5 19 -18.5 1966 -5.5 1 -7.5 7 -8.0 2 -2.5 1 1.0 7 6.5 16 7.5 9 10.5 1 6.5 18 1.5 18 -4.0 26 -7.0 23 -8.0 1967 -19.5 23 -24.5 3 -7.0 31 -6.0 1 1.0 5 0.5 5 6.0 26 7.0 28 5.0 30 2.0 16 -8.5 30 -17.5 25 -24.5 1968 -14.5 23 -21.5 6 -10.5 24 -3.5 26 3.0 13 1.5 9 6.5 13 7.5 13 6.0 19 -1.5 29 1.0 6 -6.5 22 -21.5 1969 -17.5 8 -15.4 17 -9.2 5 -4.2 15 1.0 7 6.0 1 5.5 8 5.5 1 4.5 13 -12.0 31 -10.0 11 -5.0 10 -17.5 1970 -13.0 13 -8.0 1 -8.5 10 0.0 24 0.5 9 4.0 12 9.0 5 10.0 31 2.5 19 -1.5 26 -4.5 29 -13.5 17 -13.5 1971 -21.0 23 -20.5 7 -4.5 1 -3.0 2 6.0 1 6.0 6 8.0 12 9.0 5 3.0 28 2.0 15 -4.0 25 -15.0 29 -21.0 1972 -27.5 20 -22.0 3 -10.0 15 -7.0 5 2.0 15 5.0 2 10.0 16 8.0 3 6.0 7 3.5 29 -7.0 30 -19.8 24 -27.5 1973 -25.0 2 -16.5 14 -7.5 30 -2.0 11 -1.5 4 7.0 8 9.5 4 8.0 25 2.0 28 -1.5 5 -14.0 8 -17.0 13 -25.0 1974 -20.5 6 -17.0 1 -12.5 1 -3.0 5 1.5 1 7.5 8 9.0 4 8.5 24 7.5 19 0.0 18 -4.5 30 -14.0 23 -20.5 1975 -19.5 7 -13.0 13 -10.5 1 -2.5 4 1.5 2 7.5 8 8.0 8 9.5 16 7.5 19 0.0 19 -4.5 30 -14.0 23 -19.5 1976 -19.5 7 -13.0 13 -12.5 1 -2.5 1 4.5 8 7.5 6 9.0 1 9.5 16 ***** ** ***** ** ***** ** ***** ** ***** 1977 -26.0 14 -8.0 1 -6.0 6 0.0 17 3.0 1 7.0 3 9.0 16 8.0 30 5.0 30 -10.0 24 -5.0 14 -15.0 25 -26.0 1978 -14.0 13 -8.0 24 -6.0 8 -2.0 11 0.0 3 0.0 2 6.0 4 7.0 21 6.0 29 2.0 30 -14.0 24 -10.0 14 -14.0 1979 -15.1 27 -8.0 18 -13.0 5 0.0 17 ***** ** ***** ** 10.0 8 8.0 30 2.0 21 0.0 28 -3.0 20 -12.0 22 ***** 1980 -18.0 25 -20.0 1 -11.0 1 -4.0 17 3.0 1 7.0 1 11.0 11 9.0 11 3.0 23 -1.0 30 -3.0 24 -8.0 13 -20.0 1981 -14.0 1 -6.0 4 -13.0 4 -13.0 2 1.5 3 5.0 7 10.0 21 9.0 3 5.0 24 1.5 24 -6.0 23 -6.0 20 -14.0 1982 -18.5 18 -19.0 18 -12.0 28 -1.5 3 4.0 25 8.0 29 10.0 6 8.0 12 7.0 25 1.0 6 -13.0 17 -17.5 9 -19.0 1983 -25.0 27 -11.0 23 -14.0 7 -6.5 1 5.0 1 6.0 29 8.0 1 6.0 27 0.0 28 -4.0 20 -8.0 27 -14.0 24 -25.0 1984 -25.0 31 -31.4 1 -5.0 1 -4.0 1 -5.0 2 3.2 16 3.5 9 4.5 26 0.6 23 -21.0 21 -4.5 27 -23.0 30 -31.4 1985 -26.8 18 -17.8 27 -28.8 3 -2.0 17 -0.6 12 4.0 10 5.0 24 2.2 13 0.8 23 -4.8 29 -5.6 29 -22.0 21 -28.8 1986 -20.0 24 -11.0 2 -16.6 3 -2.0 21 0.6 19 4.0 1 4.5 23 2.5 31 -1.2 13 -1.0 25 -3.0 30 -22.0 12 -22.0 1987 -12.6 12 -13.0 7 -8.0 22 -8.0 21 -1.0 1 5.5 23 4.2 11 3.0 30 -4.4 24 -3.0 27 -11.6 30 -22.0 29 -22.0 1988 -22.4 20 -20.4 7 -6.4 18 -5.4 6 -1.5 2 5.4 1 4.0 28 6.4 31 3.0 16 0.4 2 -7.0 15 -26.8 29 -26.8 1989 -30.2 31 -33.8 3 -8.0 4 -3.6 23 -3.0 1 4.0 22 8.0 24 6.4 20 -0.4 20 -1.8 18 -9.0 21 -13.8 6 -33.8 1990 -29.0 8 -22.4 9 -13.0 18 -9.6 3 -1.0 4 3.6 1 5.8 6 7.4 22 2.4 23 -1.0 17 -6.4 18 -24.0 29 -29.0 1991 -24.0 25 -21.6 10 -13.2 11 -3.6 15 0.6 7 4.0 2 7.0 15 7.0 14 0.0 28 -1.4 17 -6.0 24 -17.4 18 -24.0 1992 -22.5 27 -18.4 29 -16.0 1 -4.6 5 -8.5 5 5.8 9 6.0 11 4.0 12 2.2 10 -2.6 30 -9.0 9 -18.0 29 -22.5 1993 -25.0 20 -21.0 6 -9.4 13 -8.4 23 -1.5 10 -0.2 23 5.5 23 4.0 25 0.0 25 -2.8 12 -24.2 30 -18.0 20 -25.0 1994 -15.2 24 -19.0 19 -5.8 17 -5.0 5 0.4 20 0.6 30 3.0 2 7.0 8 -1.8 19 -4.6 12 -5.6 10 -23.0 7 -23.0 1995 -13.0 23 -11.8 7 -8.5 1 -5.2 8 -1.2 11 1.4 1 6.4 1 5.0 20 3.2 30 -3.0 21 -12.6 30 -22.0 19 -22.0 1996 -20.0 14 -28.6 4 -16.0 1 -9.0 5 -1.0 2 2.2 7 4.0 15 5.2 17 4.0 11 -4.0 19 -8.6 13 -8.0 3 -28.6 1997 -20.0 28 -24.6 11 -27.6 10 -6.6 12 0.0 6 5.0 5 7.8 9 8.0 31 2.6 15 -0.4 31 -6.8 27 -9.8 21 -27.6 1998 -19.0 17 -24.6 11 -10.4 1 -3.2 1 -1.2 4 6.2 14 5.0 26 8.0 7 1.4 29 -1.8 21 -3.4 8 -11.2 28 -24.6 1999 -9.6 23 -11.0 15 -11.8 5 -3.0 7 -1.4 22 3.8 17 3.4 15 8.8 5 0.2 28 -2.8 14 -19.0 28 -11.8 1 -19.0 2000 -18.6 17 -25.0 8 -14.0 15 -1.0 2 1.6 2 2.6 13 4.8 23 8.0 12 5.0 26 -0.8 30 -3.8 10 -12.6 23 -25.0 LOW. -30.2 31 -33.8 3 -28.8 3 -13.0 2 -8.5 5 -0.2 23 3.0 2 2.2 13 -4.4 24 -21.0 21 -24.2 30 -26.8 29 -33.8 YEAR 1989 1989 1985 1981 1992 1993 1994 1985 1987 1984 1993 1988 1989 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 9 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. ABSOLUTE OF MAXIMUM TEMPERATURE WITH DAY YEAR JAN. DAY FEB. DAY MAR. DAY APR. DAY MAY DAY JUNE DAY JULY DAY AUG. DAY SEP. DAY OCT. DAY NOV. DAY DEC. DAY ANNUAL 1961 10.0 1 13.0 7 19.5 24 23.0 21 28.0 15 34.0 25 29.5 20 35.0 19 30.0 12 26.0 14 23.0 1 18.0 2 35.0 1962 ***** ** 18.0 16 24.5 24 24.5 7 30.5 17 32.5 13 35.5 4 32.5 16 34.5 2 29.0 6 18.0 17 17.0 5 ***** 1963 18.0 24 18.0 19 21.5 29 23.5 10 24.5 31 31.0 7 30.5 20 28.0 12 ***** ** 30.5 1 18.5 6 9.0 8 ***** 1964 5.0 31 9.5 23 19.5 26 23.5 28 27.0 17 30.5 12 32.0 17 38.0 13 ***** ** 30.5 15 20.0 8 13.0 5 ***** 1965 6.0 22 11.5 28 20.5 7 27.5 27 30.0 15 32.0 14 37.0 15 37.5 13 32.5 14 25.0 3 19.5 6 17.5 6 37.5 1966 18.0 3 22.0 25 22.5 12 25.0 19 28.0 31 35.5 10 38.5 26 36.0 30 ***** ** ***** ** ***** ** ***** ** ***** 1967 9.0 10 9.0 23 14.0 20 21.0 17 28.0 23 34.0 17 29.0 7 29.0 4 29.5 5 24.0 11 22.0 3 15.5 14 34.0 1968 13.0 10 14.5 27 17.5 13 23.5 14 29.5 20 30.5 18 38.0 20 35.0 16 32.5 21 32.0 13 18.0 23 13.2 1 38.0 1969 8.2 20 7.2 28 18.5 30 24.0 28 28.5 17 33.5 28 35.5 14 31.0 3 28.0 6 28.0 6 15.0 1 17.0 19 35.5 1970 7.5 7 14.0 8 24.0 31 28.5 14 28.5 27 30.0 2 31.5 20 34.5 26 30.5 29 29.5 5 24.0 1 14.0 7 34.5 1971 13.0 5 11.5 26 16.0 19 23.5 26 28.5 7 31.0 20 32.5 10 31.5 18 29.5 8 25.5 24 18.5 7 15.2 12 32.5 1972 5.0 17 5.5 28 11.0 30 24.5 28 22.0 31 34.0 30 31.5 12 29.5 17 32.5 1 35.0 13 14.5 3 4.5 12 35.0 1973 5.5 26 13.5 26 15.5 2 18.0 15 31.0 28 35.5 25 39.0 28 32.5 3 29.0 11 22.5 9 19.5 3 15.0 2 39.0 1974 5.0 27 3.0 17 8.5 21 20.0 15 31.0 22 31.0 13 31.0 22 32.5 15 28.5 8 28.5 28 22.0 4 14.0 1 32.5 1975 4.0 11 3.5 5 7.5 15 23.5 6 31.0 23 31.0 13 33.0 14 35.5 10 28.5 8 28.5 28 22.0 4 14.0 1 35.5 1976 4.0 9 3.5 5 7.5 16 23.5 4 30.0 24 31.0 10 31.0 21 38.0 7 ***** ** ***** ** ***** ** ***** ** ***** 1977 7.0 20 18.0 17 20.0 2 25.0 11 29.0 13 34.0 11 30.0 13 37.0 24 31.0 23 30.0 2 21.0 28 15.0 4 37.0 1978 12.0 3 16.0 15 22.0 27 25.0 24 29.0 17 33.0 30 38.0 17 32.0 13 37.0 11 29.0 7 12.0 1 13.0 7 38.0 1979 14.0 4 20.0 14 20.0 17 28.0 4 ***** ** ***** ** 34.0 11 35.0 31 35.0 1 26.0 1 22.0 2 13.0 2 ***** 1980 9.0 5 7.0 14 20.0 29 27.0 11 31.0 21 34.0 3 35.0 24 32.0 19 34.0 6 27.0 4 21.0 12 20.0 6 35.0 1981 11.0 8 14.0 14 22.0 20 28.0 20 28.0 8 32.0 3 32.0 28 34.0 28 33.0 11 27.0 3 22.0 1 16.0 13 34.0 1982 15.5 4 8.5 28 17.0 17 29.0 30 28.5 31 31.2 8 35.5 10 29.6 28 27.0 8 24.0 18 16.0 5 6.0 22 35.5 1983 6.5 22 7.5 14 18.0 27 24.0 16 25.0 28 29.0 15 35.0 14 32.6 15 26.5 25 29.4 2 20.0 9 14.5 1 35.0 1984 14.0 5 13.0 12 16.5 8 23.0 8 27.5 27 32.5 10 30.0 21 33.0 28 28.2 24 25.4 14 17.0 28 4.2 14 33.0 1985 7.0 12 13.8 14 18.0 21 26.2 20 27.4 30 37.5 26 27.0 5 29.5 20 34.6 1 23.5 18 20.4 9 8.5 17 37.5 1986 11.0 6 15.0 26 13.0 5 24.0 15 25.6 21 27.4 5 37.0 30 29.4 14 33.5 24 25.0 19 21.0 2 12.0 26 37.0 1987 18.2 31 18.0 3 17.2 8 24.2 24 31.2 9 35.0 2 36.0 6 32.5 3 32.0 5 30.4 2 19.6 6 14.5 4 36.0 1988 5.0 6 12.0 29 18.5 20 21.5 21 26.8 18 35.0 14 33.8 13 27.0 28 33.0 8 25.6 26 21.0 7 17.0 11 35.0 1989 5.0 19 6.0 28 20.0 26 26.0 17 33.0 24 29.0 19 31.6 30 30.6 9 32.6 1 30.0 5 18.6 28 14.4 24 33.0 1990 5.8 4 8.4 18 16.2 13 27.0 27 28.4 18 34.2 3 30.8 22 26.2 24 33.0 13 24.6 7 22.6 6 17.4 2 34.2 1991 5.6 31 11.2 28 22.4 30 25.2 21 26.5 2 28.5 30 35.2 7 29.2 1 28.6 18 24.0 26 20.2 1 12.2 1 35.2 1992 4.8 1 12.0 19 16.6 29 24.3 12 27.8 29 26.4 10 31.4 16 34.8 24 26.8 13 25.6 24 20.0 6 12.0 15 34.8 1993 8.0 28 12.0 27 21.0 30 27.6 19 26.6 17 33.8 28 30.2 24 31.4 27 34.6 7 29.5 1 20.2 9 7.2 18 34.6 1994 10.0 30 11.4 27 21.0 29 28.6 21 26.0 22 31.0 2 25.5 20 26.6 15 26.6 27 25.0 14 21.0 3 11.0 2 31.0 1995 14.0 4 14.6 21 21.6 24 23.2 30 27.0 21 34.8 21 29.6 12 38.2 12 29.6 16 30.0 3 20.4 22 14.0 30 38.2 1996 12.6 3 14.6 24 20.0 30 22.0 29 30.6 31 32.4 29 32.8 24 30.6 21 33.2 7 27.4 3 17.0 1 16.8 4 33.2 1997 15.0 6 6.6 18 17.6 31 30.6 24 31.0 28 32.0 12 28.5 1 35.8 12 33.4 1 28.0 17 17.6 5 17.0 8 35.8 1998 6.4 1 11.4 7 19.8 28 29.4 15 28.6 7 32.4 22 34.6 6 36.6 30 37.4 1 30.0 1 22.6 1 21.2 10 37.4 1999 11.6 14 15.0 25 19.0 8 26.8 30 29.6 27 29.6 27 31.6 31 37.0 24 29.0 30 28.2 1 19.0 19 16.2 30 37.0 2000 17.8 1 13.2 24 17.0 18 25.6 15 26.8 6 33.5 4 33.5 28 37.0 3 33.2 8 24.0 9 15.0 12 14.0 31 37.0 HIG. 18.2 31 22.0 25 24.5 24 30.6 24 33.0 24 37.5 26 39.0 28 38.2 12 37.4 1 35.0 13 24.0 1 21.2 10 39.0 YEAR 1987 1966 1962 1997 1989 1985 1973 1995 1998 1972 1970 1998 1973 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 10 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. 24 HOUR MAXIMUM PRECIPITATION. YEAR JAN. DAY FEB. DAY MAR. DAY APR. DAY MAY DAY JUNE DAY JULY DAY AUG. DAY SEP. DAY OCT. DAY NOV. DAY DEC. DAY ANNUAL 1961 14.6 3 11.4 18 12.2 8 17.2 14 7.9 16 16.4 6 0.0 ** 0.0 ** 0.0 ** 0.0 ** 15.1 6 2.3 23 17.2 1962 25.3 5 4.9 17 13.1 10 15.1 27 13.7 10 8.1 2 2.6 1 5.7 6 28.6 16 22.1 10 8.8 9 19.7 9 28.6 1963 24.6 4 19.1 25 24.6 6 21.2 21 18.4 1 10.3 16 0.0 ** 14.2 2 ***** ** 9.8 24 24.7 2 22.8 11 ***** 1964 46.8 18 10.6 3 46.7 28 21.9 8 9.3 1 9.3 5 0.0 ** 8.9 24 ***** ** 15.2 28 14.7 27 10.3 17 ***** 1965 21.7 9 21.8 13 27.6 12 24.6 3 19.1 11 11.1 5 5.6 4 13.6 7 8.1 30 29.2 22 0.0 ** 11.2 28 29.2 1966 16.4 30 4.2 18 19.9 20 14.6 21 12.3 4 7.3 3 1.5 16 19.7 5 9.6 25 23.6 9 15.6 7 15.2 18 23.6 1967 30.1 21 7.3 11 7.5 6 22.9 12 10.6 24 11.7 5 0.0 ** 0.0 ** 8.8 28 20.4 13 18.2 24 7.3 23 30.1 1968 7.9 26 12.8 2 7.3 22 38.7 2 9.6 26 7.3 15 4.2 12 0.0 ** 0.0 ** 9.2 23 15.2 17 33.2 13 38.7 1969 6.0 6 26.4 19 29.2 8 26.8 12 48.0 19 46.5 15 8.4 5 0.0 ** 41.5 11 31.0 21 30.0 9 13.0 27 48.0 1970 10.0 1 0.0 ** 24.0 12 18.0 19 12.0 11 2.7 10 0.0 ** 0.0 ** 13.0 12 0.0 ** 8.6 9 18.0 12 24.0 1971 8.0 15 13.0 14 9.0 15 12.8 19 14.6 28 9.4 3 0.0 ** 0.0 ** 0.0 ** 6.6 3 0.0 ** 7.2 8 14.6 1972 12.4 22 14.0 7 16.0 5 10.0 4 42.9 27 39.0 10 7.0 26 13.8 15 13.0 10 17.8 30 38.0 5 10.0 11 42.9 1973 7.0 31 17.0 5 7.0 29 22.0 5 15.0 11 5.0 9 3.0 23 0.0 ** 0.0 ** 0.0 ** 18.0 23 14.0 29 22.0 1974 25.0 14 4.0 20 38.0 25 19.0 30 3.0 6 11.0 28 25.0 7 26.5 1 12.0 4 0.0 ** 2.0 20 8.0 22 38.0 1975 6.4 12 4.0 20 13.0 6 21.0 24 19.0 1 11.0 28 25.0 7 0.0 ** 12.0 4 11.0 28 0.0 ** 8.0 22 25.0 1976 6.4 12 4.0 20 13.0 6 21.0 22 31.0 6 11.0 25 10.0 1 0.0 ** ***** ** ***** ** ***** ** ***** ** ***** 1977 4.0 7 5.0 7 9.0 30 18.0 20 14.0 6 5.0 1 8.0 31 2.0 5 3.0 3 18.0 22 23.0 12 12.0 23 23.0 1978 10.0 9 12.0 3 8.0 31 5.0 25 34.0 7 24.0 1 0.0 ** 0.0 ** 3.0 8 4.0 20 17.0 18 28.0 12 34.0 1979 9.0 9 14.0 28 11.5 27 17.0 22 ***** ** ***** ** 4.0 5 3.0 25 3.0 20 11.0 5 4.0 30 18.0 20 ***** 1980 17.2 30 8.0 29 6.0 7 8.0 16 28.0 15 2.0 17 0.4 23 0.4 28 1.2 8 19.0 29 12.0 19 24.0 31 28.0 1981 10.0 12 12.0 21 17.0 31 21.6 12 15.0 22 7.0 24 0.6 19 7.0 8 2.0 22 10.4 8 11.0 21 10.0 29 21.6 1982 12.0 15 4.5 14 16.0 24 11.0 8 18.0 11 10.0 24 3.0 26 4.0 17 4.0 14 55.0 7 32.0 8 6.0 5 55.0 1983 8.0 9 0.0 ** 3.0 6 18.0 28 21.0 24 22.0 5 0.0 ** 0.4 29 8.0 14 2.0 6 14.0 25 4.0 3 22.0 1984 22.0 29 6.0 13 5.3 18 7.0 16 15.0 5 2.0 7 1.0 26 0.6 29 5.0 8 11.6 18 10.0 29 6.0 7 22.0 1985 6.0 17 4.5 26 7.4 26 14.0 23 4.0 19 0.3 14 8.0 28 0.2 23 3.0 20 16.4 22 5.0 13 10.0 29 16.4 1986 3.0 16 3.0 10 16.4 31 9.2 3 8.0 22 9.6 20 0.6 26 0.0 ** 17.0 30 6.0 12 4.0 18 4.0 4 17.0 1987 0.0 ** 8.6 21 7.6 28 7.8 15 4.0 12 3.0 20 8.0 3 12.0 28 2.8 1 20.8 5 20.0 7 5.0 27 20.8 1988 6.0 29 3.0 3 7.6 27 16.0 30 9.1 30 4.4 19 6.0 7 12.4 4 1.2 12 4.8 16 17.4 10 11.0 27 17.4 1989 4.3 28 5.3 11 3.9 29 2.0 13 5.0 17 8.0 8 0.4 10 16.6 17 13.0 19 26.0 29 0.9 20 10.5 2 26.0 1990 17.0 23 9.0 19 8.0 7 10.0 29 3.5 26 3.0 13 0.4 11 0.7 29 0.4 19 23.0 14 2.0 10 21.2 25 23.0 1991 7.0 23 13.6 21 13.6 10 3.0 25 11.8 14 9.0 7 2.0 17 0.2 19 0.0 ** 2.6 22 4.0 4 9.0 5 13.6 1992 5.0 16 10.8 24 11.6 24 28.0 18 25.0 4 25.0 7 8.0 9 13.0 28 6.4 27 4.2 7 22.0 8 12.2 17 28.0 1993 6.0 14 21.0 15 13.0 3 9.0 26 12.0 3 18.0 1 3.3 11 5.2 7 0.4 22 8.0 28 16.0 24 9.6 8 21.0 1994 5.0 5 5.2 16 6.5 7 10.2 30 13.4 13 4.4 28 1.0 27 0.3 6 2.0 29 16.0 15 63.0 5 2.8 25 63.0 1995 9.0 16 15.0 5 6.6 10 12.0 24 6.0 1 12.0 22 2.0 2 0.2 24 27.0 20 14.0 12 2.0 25 4.5 17 27.0 1996 8.0 6 11.4 2 6.4 19 21.4 9 13.4 8 2.0 24 0.7 6 1.1 31 4.6 22 5.0 30 14.0 11 3.2 11 21.4 1997 19.0 16 13.0 5 37.0 7 2.1 28 10.0 24 10.0 24 25.0 5 0.0 ** 14.2 14 9.4 31 9.0 12 7.1 11 37.0 1998 14.0 13 14.0 19 8.9 17 11.0 24 15.0 19 3.2 3 2.0 1 1.2 20 5.0 26 11.0 9 10.0 23 10.0 24 15.0 1999 9.1 17 3.0 4 11.0 26 8.1 8 15.0 20 2.2 10 9.0 14 1.3 17 10.0 22 28.0 31 12.0 27 2.0 16 28.0 2000 11.1 16 8.2 7 35.0 24 7.0 26 8.0 9 4.0 1 2.1 12 4.0 6 3.8 29 14.2 13 30.0 1 7.2 11 35.0 HIG. 46.8 18 26.4 19 46.7 28 38.7 2 48.0 19 46.5 15 25.0 7 26.5 1 41.5 11 55.0 7 63.0 5 33.2 13 63.0 YEAR 1964 1969 1964 1968 1969 1969 1974 1974 1969 1982 1994 1968 1994 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 11 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. MONTHLY TOTAL PRECIPITATION WITH SEASONAL PERCENT. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL SEASONAL-PERCENT ----------------------- 1961 36.0 41.8 32.5 36.3 23.5 18.5 0.0 0.0 0.0 0.0 17.2 3.5 209.3 52.7 37.4 0.0 9.9 1962 41.3 10.2 28.8 85.2 37.5 11.3 2.6 17.9 28.6 61.8 16.4 19.7 361.3 22.2 37.1 13.6 27.1 1963 28.8 40.5 47.6 77.6 132.7 20.4 0.0 16.4 ****** 34.6 36.5 61.1 ****** 23.6 46.5 3.3 26.6 1964 69.4 16.3 97.8 92.2 13.7 22.9 0.0 8.9 ****** 24.2 21.1 15.0 ****** 48.1 33.8 2.3 15.8 1965 62.0 24.1 37.2 55.1 40.5 30.2 7.3 26.7 20.5 84.7 0.0 13.3 401.6 30.7 31.3 13.6 24.4 1966 24.6 14.3 26.2 62.0 50.4 7.3 1.5 27.2 25.7 74.8 16.6 23.2 353.8 18.4 33.8 15.4 32.4 1967 73.3 24.5 38.1 69.4 48.4 19.7 0.0 0.0 15.6 40.3 36.4 10.5 376.2 36.1 36.5 4.1 23.2 1968 10.2 24.2 22.4 108.3 43.6 32.2 6.3 0.0 0.0 24.7 46.3 79.2 397.4 14.3 46.3 1.6 37.8 1969 15.2 26.4 96.5 103.7 161.5 64.0 8.4 0.0 63.5 117.5 72.0 40.8 769.5 17.9 42.8 9.3 29.9 1970 41.0 0.0 69.3 41.0 47.0 2.7 0.0 0.0 13.0 0.0 11.0 30.8 255.8 43.1 35.5 5.1 16.3 1971 17.0 23.0 27.0 55.8 44.0 21.6 0.0 0.0 0.0 6.6 0.0 29.6 224.6 29.8 54.1 0.0 16.1 1972 58.5 25.6 68.6 32.0 163.4 114.8 10.0 41.0 21.0 32.3 73.4 29.6 670.2 22.8 46.3 10.7 20.2 1973 15.0 54.4 31.4 89.0 91.4 6.3 3.0 0.0 0.0 0.0 48.0 43.8 382.3 26.4 48.8 0.8 24.0 1974 45.8 13.4 90.1 109.3 3.0 15.4 48.0 38.9 12.0 0.0 2.0 17.0 394.9 37.8 32.3 25.0 4.8 1975 14.4 13.8 81.3 103.8 19.0 21.6 49.2 0.0 19.0 33.8 0.0 17.0 372.9 29.4 38.7 18.3 13.6 1976 14.4 11.4 74.1 140.0 241.3 19.0 23.0 0.0 ****** ****** ****** ****** ****** 19.1 76.5 4.4 ***** 1977 23.7 5.6 41.5 41.9 62.2 16.8 10.0 3.6 5.6 57.8 32.4 45.8 346.9 20.4 34.9 5.5 39.2 1978 19.7 21.4 21.8 17.3 97.5 101.9 0.0 0.0 3.0 7.0 84.1 71.5 445.2 14.1 48.7 0.7 36.5 1979 23.6 39.1 24.5 49.8 ****** ****** 4.0 3.0 3.6 38.0 9.0 31.2 ****** 38.6 22.1 4.7 34.6 1980 62.8 57.0 37.6 24.5 73.0 4.2 0.4 0.4 2.2 55.0 40.4 47.4 404.9 38.9 25.1 0.7 35.3 1981 27.0 29.0 54.6 80.9 43.3 34.5 1.0 14.9 3.0 25.6 25.0 10.4 349.2 31.7 45.4 5.4 17.5 1982 43.5 20.8 42.5 26.3 61.9 22.0 4.2 4.4 16.9 158.9 114.7 18.0 534.1 20.0 20.6 4.8 54.6 1983 10.5 0.0 9.2 44.6 85.0 31.2 0.0 0.7 19.8 2.0 32.5 13.3 248.8 7.9 64.6 8.2 19.2 1984 25.5 19.6 22.2 17.1 59.1 2.6 1.7 1.0 7.4 30.2 31.0 16.2 233.6 28.8 33.7 4.3 33.1 1985 15.8 21.3 19.9 29.1 12.1 0.3 9.1 0.2 4.3 30.4 6.7 39.9 189.1 30.1 21.9 7.2 40.7 1986 5.6 10.1 42.8 26.9 23.3 21.9 0.6 0.0 21.9 17.9 12.7 12.4 196.1 29.8 36.8 11.5 21.9 1987 0.0 21.3 21.9 19.5 12.5 3.2 8.0 15.9 5.5 81.4 20.2 16.2 225.6 19.1 15.6 13.0 52.2 1988 20.9 11.9 42.0 72.7 23.6 17.4 8.6 26.7 5.4 14.0 36.2 24.8 304.2 24.6 37.4 13.4 24.7 1989 16.7 17.3 16.6 5.4 13.4 11.8 0.8 24.0 22.8 62.7 1.3 31.7 224.5 22.5 13.6 21.2 42.6 1990 50.0 31.3 47.1 51.6 8.7 4.2 0.4 1.2 0.8 33.5 4.0 35.6 268.4 47.8 24.0 0.9 27.2 1991 15.8 22.1 93.8 12.7 53.7 13.2 4.0 0.4 0.0 11.6 14.8 33.9 276.0 47.7 28.8 1.6 21.8 1992 14.2 22.2 25.3 91.3 43.8 72.8 9.6 20.4 10.8 5.3 54.2 35.4 405.3 15.2 51.3 10.1 23.4 1993 30.5 44.5 46.3 23.3 39.1 39.9 5.3 8.5 0.8 17.5 112.0 27.8 395.5 30.7 25.9 3.7 39.8 1994 12.6 15.0 28.6 25.1 49.5 9.6 1.6 0.4 2.4 18.3 150.8 11.3 325.2 17.3 25.9 1.4 55.5 1995 17.5 19.1 29.4 33.5 13.6 25.3 2.6 0.5 45.1 25.0 2.0 8.4 222.0 29.7 32.6 21.7 15.9 1996 23.9 26.6 33.4 57.1 38.0 4.2 1.0 2.1 10.0 18.4 24.2 6.4 245.3 34.2 40.5 5.3 20.0 1997 51.6 39.7 80.8 4.9 37.0 52.0 34.4 0.0 16.3 18.4 23.0 16.4 374.5 46.0 25.1 13.5 15.4 1998 65.0 58.5 23.2 40.7 56.5 10.6 6.2 1.4 5.8 16.7 18.5 22.4 325.5 45.1 33.1 4.1 17.7 1999 17.1 3.8 35.8 33.2 45.0 2.5 9.2 3.2 14.3 62.2 29.9 3.0 259.2 21.9 31.1 10.3 36.7 2000 34.3 23.3 97.5 16.7 16.7 6.0 5.1 4.1 7.8 37.1 35.9 18.1 302.6 51.3 13.0 5.6 30.1 MEAN 29.9 23.6 45.2 52.7 54.6 24.0 7.2 7.9 12.3 35.4 33.7 26.5 353.0 28.0 37.3 7.7 27.1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 12 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 5 7 6 5 5 3 0 0 0 0 2 2 35 1962 6 4 4 12 5 2 1 5 1 5 3 1 49 1963 2 4 5 9 21 3 0 2 *** 7 3 7 *** 1964 2 2 7 9 3 4 0 1 *** 3 2 3 *** 1965 8 2 4 8 6 6 2 4 3 10 0 2 55 1966 2 5 3 9 10 1 1 3 5 8 2 4 53 1967 5 4 7 9 10 4 0 0 2 2 4 2 49 1968 2 3 4 9 7 8 2 0 0 5 9 6 55 1969 5 1 8 13 9 3 1 0 3 12 4 5 64 1970 6 0 8 4 6 1 0 0 1 0 2 5 33 1971 3 4 4 7 7 4 0 0 0 1 0 9 39 1972 12 6 13 8 18 10 2 7 2 4 6 7 95 1973 3 8 6 8 10 3 1 0 0 0 6 6 51 1974 8 5 12 11 1 3 4 4 1 0 1 5 55 1975 4 5 14 10 1 4 4 0 3 5 0 5 55 1976 4 4 13 13 18 3 3 0 *** *** *** *** *** 1977 12 3 16 9 16 9 3 4 3 9 4 11 99 1978 6 6 9 11 20 11 0 0 1 6 12 8 90 1979 4 10 7 10 *** *** 1 1 3 13 4 5 *** 1980 11 15 13 6 7 3 1 1 2 7 9 5 80 1981 6 7 13 12 14 11 2 6 3 7 5 2 88 1982 7 10 7 5 16 5 4 2 9 12 11 4 92 1983 3 0 6 7 17 8 0 2 6 1 5 7 62 1984 4 12 11 11 14 3 2 2 5 7 12 8 91 1985 5 9 13 13 10 1 5 1 3 5 6 8 79 1986 5 5 11 10 14 12 1 0 5 9 9 6 87 1987 0 10 8 8 7 2 1 6 6 16 2 11 77 1988 9 11 11 15 8 9 5 12 8 7 9 6 110 1989 10 6 10 6 10 5 3 6 7 7 3 6 79 1990 10 7 11 11 5 3 1 2 3 5 2 8 68 1991 7 8 15 12 11 5 2 2 0 7 7 10 86 1992 6 8 9 16 10 14 3 4 5 2 6 7 90 1993 13 10 14 10 11 9 2 5 4 4 16 7 105 1994 6 11 11 9 15 8 2 2 4 6 10 9 93 1995 7 6 9 12 8 11 2 3 7 7 1 8 81 1996 10 7 12 14 10 4 3 5 6 12 6 4 93 1997 8 8 9 7 10 13 5 0 5 6 9 7 87 1998 12 10 8 14 14 7 6 2 4 4 4 6 91 1999 6 3 10 15 9 3 2 4 5 7 6 2 72 2000 13 8 10 9 10 3 3 2 6 11 6 10 91 MEAN 6 6 9 10 10 6 2 3 4 6 5 6 73 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 13 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. NO. OF DAYS PRECIPITATION EQUAL OR MORE THAN 1 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 5 7 6 5 5 2 0 0 0 0 2 2 34 1962 6 3 4 10 5 2 1 5 1 5 3 1 46 1963 2 4 5 9 20 3 0 2 *** 7 3 7 *** 1964 2 2 7 9 3 4 0 1 *** 3 2 3 *** 1965 8 2 4 7 6 6 2 4 3 9 0 2 53 1966 2 5 3 8 9 1 1 3 5 8 2 4 51 1967 5 4 7 9 10 4 0 0 2 2 4 2 49 1968 2 3 4 9 7 8 2 0 0 5 9 6 55 1969 5 1 8 13 9 2 1 0 3 12 4 5 63 1970 6 0 7 4 6 1 0 0 1 0 2 5 32 1971 3 4 4 7 7 4 0 0 0 1 0 9 39 1972 10 4 13 6 15 9 2 7 2 4 6 6 84 1973 3 8 6 8 10 2 1 0 0 0 6 6 50 1974 8 5 12 11 1 2 4 4 1 0 1 5 54 1975 4 5 14 10 1 3 4 0 3 5 0 5 54 1976 4 4 13 13 18 3 3 0 *** *** *** *** *** 1977 9 1 13 6 12 6 3 2 2 9 4 10 77 1978 4 5 6 7 15 11 0 0 1 3 10 6 68 1979 3 9 7 8 *** *** 1 1 1 12 4 4 *** 1980 8 14 12 5 6 2 0 0 2 5 8 4 66 1981 6 6 10 10 11 10 0 4 1 6 5 1 70 1982 6 9 6 4 13 5 1 1 5 12 10 4 76 1983 3 0 5 7 15 6 0 0 4 1 4 5 50 1984 3 5 8 4 8 1 1 0 3 6 7 5 51 1985 4 7 5 7 5 0 1 0 1 4 1 6 41 1986 2 5 7 8 6 7 0 0 3 4 6 4 52 1987 0 8 4 6 4 1 1 3 2 13 1 5 48 1988 7 7 10 9 7 5 2 5 3 4 4 4 67 1989 4 6 7 2 5 2 0 4 3 5 0 5 43 1990 8 7 9 9 3 2 0 0 0 3 2 5 48 1991 6 4 15 6 7 2 2 0 0 6 5 6 59 1992 4 3 5 14 5 12 2 4 3 2 5 5 64 1993 11 8 10 8 9 7 2 2 0 4 12 6 79 1994 6 5 6 4 9 3 1 0 1 1 6 4 46 1995 5 3 8 8 4 8 1 0 5 2 1 2 47 1996 6 4 9 11 7 2 0 1 2 4 4 3 53 1997 6 7 6 2 8 13 2 0 2 2 7 4 59 1998 10 7 5 8 11 4 3 1 1 2 2 4 58 1999 4 1 6 10 6 1 1 1 3 4 4 2 43 2000 7 6 9 5 4 3 3 1 2 9 2 3 54 MEAN 5 5 8 8 8 4 1 1 2 5 4 4 55 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 14 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. NO. OF DAYS PRECIPITATION EQUAL OR MORE THAN 10 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 1 1 1 1 0 1 0 0 0 0 1 0 6 1962 1 0 1 5 2 0 0 0 1 3 0 1 14 1963 1 1 2 3 5 1 0 1 *** 0 1 1 *** 1964 2 1 3 4 0 0 0 0 *** 1 1 1 *** 1965 2 1 1 2 2 1 0 1 0 2 0 1 13 1966 1 0 1 3 2 0 0 1 0 4 1 1 14 1967 2 0 0 2 1 1 0 0 0 2 2 0 10 1968 0 1 0 3 0 0 0 0 0 0 1 3 8 1969 0 1 4 3 6 2 0 0 2 6 2 2 28 1970 2 0 3 2 3 0 0 0 1 0 0 1 12 1971 0 1 0 2 1 0 0 0 0 0 0 0 4 1972 2 1 2 1 6 6 0 1 1 1 3 1 25 1973 0 3 0 3 4 0 0 0 0 0 2 1 13 1974 1 0 2 5 0 1 3 1 1 0 0 0 14 1975 0 0 3 5 1 1 3 0 1 1 0 0 15 1976 0 0 2 6 13 1 2 0 *** *** *** *** *** 1977 0 0 0 2 3 0 0 0 0 3 1 1 10 1978 1 1 0 0 2 4 0 0 0 0 4 2 14 1979 0 1 1 1 *** *** 0 0 0 1 0 1 *** 1980 2 0 0 0 4 0 0 0 0 3 2 2 13 1981 1 1 1 3 2 0 0 0 0 1 1 1 11 1982 2 0 2 1 1 1 0 0 0 4 5 0 16 1983 0 0 0 1 2 1 0 0 0 0 1 0 5 1984 1 0 0 0 2 0 0 0 0 1 1 0 5 1985 0 0 0 1 0 0 0 0 0 1 0 1 3 1986 0 0 2 0 0 0 0 0 1 0 0 0 3 1987 0 0 0 0 0 0 0 1 0 3 1 0 5 1988 0 0 0 3 0 0 0 1 0 0 2 1 7 1989 0 0 0 0 0 0 0 1 1 2 0 1 5 1990 3 0 0 1 0 0 0 0 0 1 0 1 6 1991 0 1 4 0 3 0 0 0 0 0 0 0 8 1992 0 1 1 4 1 1 0 1 0 0 2 2 13 1993 0 1 2 0 1 1 0 0 0 0 5 0 10 1994 0 0 0 1 1 0 0 0 0 1 4 0 7 1995 0 1 0 1 0 1 0 0 1 1 0 0 5 1996 0 1 0 2 1 0 0 0 0 0 1 0 5 1997 2 2 3 0 1 1 1 0 1 0 0 0 11 1998 3 3 0 2 2 0 0 0 0 1 1 1 13 1999 0 0 1 0 2 0 0 0 1 3 2 0 9 2000 1 0 3 0 0 0 0 0 0 1 1 0 6 MEAN 1 1 1 2 2 1 0 0 0 1 1 1 11 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 15 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 69 75 75 79 78 76 79 78 83 83 77 76 77 1962 64 75 75 79 80 76 72 77 80 86 85 76 77 1963 72 76 78 79 86 80 76 81 *** 82 80 71 *** 1964 42 66 78 83 73 72 72 77 *** 77 77 64 *** 1965 66 66 70 76 76 76 76 78 80 82 75 71 74 1966 68 76 71 70 70 73 68 72 78 83 80 75 74 1967 63 62 73 64 71 71 71 73 82 65 77 73 70 1968 59 49 58 72 70 71 73 69 71 77 84 80 69 1969 74 79 88 82 78 70 80 85 81 80 83 77 80 1970 74 75 77 78 73 78 76 79 90 85 85 76 79 1971 68 67 80 75 78 83 80 82 73 70 76 70 75 1972 84 88 73 73 79 73 67 68 71 75 73 78 75 1973 79 82 57 66 70 78 71 81 70 68 66 70 72 1974 68 70 70 74 72 70 72 76 73 69 68 65 71 1975 56 58 66 73 72 69 72 74 74 71 71 70 69 1976 70 69 73 77 85 68 79 80 *** *** *** *** *** 1977 79 75 76 78 83 87 84 81 82 81 83 77 81 1978 75 78 73 72 88 86 78 83 76 85 82 76 79 1979 80 82 81 74 *** *** 82 73 76 87 82 79 *** 1980 84 84 82 70 78 75 71 79 86 84 83 79 80 1981 75 79 83 82 82 83 82 85 76 86 72 70 80 1982 73 74 74 70 81 82 79 81 86 84 82 69 78 1983 69 71 80 77 83 92 88 86 92 75 71 86 81 1984 86 86 89 78 92 88 81 85 89 91 94 88 87 1985 85 72 86 82 89 87 89 84 90 93 94 91 87 1986 81 91 93 94 92 96 86 84 89 91 91 79 89 1987 69 85 88 86 79 75 79 86 92 95 85 77 83 1988 81 81 81 89 91 90 87 92 94 92 78 77 86 1989 82 79 90 88 85 88 81 88 92 86 85 91 86 1990 85 86 89 91 89 92 90 95 93 95 88 89 90 1991 86 90 96 93 92 96 91 92 95 91 95 87 92 1992 82 84 92 91 93 94 87 90 96 94 87 88 90 1993 83 88 86 85 90 94 94 92 93 92 93 90 90 1994 88 87 92 88 91 91 87 93 89 94 87 85 89 1995 88 90 90 85 90 90 82 89 93 94 75 84 88 1996 85 86 93 91 90 93 92 93 93 91 97 86 91 1997 82 81 82 78 86 87 90 87 87 76 85 80 83 1998 83 84 85 81 85 86 83 85 89 80 80 78 83 1999 84 79 88 84 90 79 82 81 91 82 85 77 84 2000 78 79 84 72 86 83 77 81 90 91 90 85 83 MEAN 75 78 80 79 82 82 80 82 85 84 82 78 81 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 16 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 65 75 72 76 74 75 73 73 74 74 67 59 71 1962 66 65 63 73 72 72 64 67 68 69 68 65 68 1963 68 66 66 64 76 66 64 67 *** 71 69 67 *** 1964 63 80 78 77 68 64 59 64 *** 66 63 63 *** 1965 63 69 67 69 66 66 65 64 68 73 60 63 66 1966 62 65 56 59 65 62 62 64 70 72 67 63 64 1967 61 56 65 64 69 65 63 64 74 74 72 60 66 1968 53 56 60 70 70 69 68 65 65 59 69 66 64 1969 72 84 85 73 76 64 78 83 78 73 73 71 76 1970 79 64 73 76 64 76 65 74 87 86 87 84 76 1971 76 77 74 79 79 83 82 83 71 51 70 60 74 1972 74 87 59 61 80 70 63 44 52 56 63 71 65 1973 63 64 57 56 65 74 75 76 62 63 67 57 65 1974 66 62 57 67 67 68 72 73 70 65 70 67 67 1975 61 57 58 70 65 68 69 73 70 67 73 72 67 1976 71 66 63 74 80 68 80 81 *** *** *** *** *** 1977 64 51 60 54 59 63 60 50 49 56 54 63 57 1978 57 54 44 43 59 57 45 52 42 57 71 59 53 1979 67 66 59 49 *** *** 54 40 44 58 60 61 *** 1980 69 73 67 41 51 45 44 54 50 61 62 60 56 1981 55 52 59 54 47 46 52 55 42 57 47 47 51 1982 52 56 51 43 50 45 42 51 51 62 66 60 52 1983 64 57 58 44 54 62 50 55 60 45 49 71 56 1984 64 80 68 37 55 54 48 58 53 68 75 87 62 1985 83 60 72 51 44 49 66 43 50 63 64 80 60 1986 67 69 79 57 54 56 52 45 42 62 78 72 61 1987 47 65 57 50 40 37 42 50 56 78 48 63 53 1988 80 65 52 48 58 47 50 65 64 64 46 54 58 1989 79 82 64 39 43 45 52 52 50 59 62 72 58 1990 80 77 65 60 49 49 60 69 52 57 48 75 62 1991 88 79 77 51 57 58 52 59 54 54 72 78 65 1992 73 66 68 63 62 60 61 58 63 53 57 73 63 1993 81 81 61 48 49 56 63 55 55 60 83 82 65 1994 80 75 62 49 55 63 57 69 52 57 62 72 63 1995 60 63 47 49 44 45 48 55 60 68 40 61 53 1996 74 69 71 53 52 56 55 56 57 58 65 58 60 1997 63 74 62 39 47 55 61 53 54 40 58 59 55 1998 75 73 59 46 53 49 51 49 56 48 54 55 56 1999 62 48 54 51 55 46 47 47 60 48 66 60 54 2000 70 63 61 38 49 50 44 48 57 66 68 67 57 MEAN 68 67 63 57 60 59 59 60 59 62 64 66 62 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 17 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 70 69 71 77 80 77 77 78 78 75 70 65 74 1962 60 72 67 81 80 77 71 75 73 76 76 72 73 1963 66 69 69 76 92 74 68 74 *** 81 71 66 *** 1964 44 75 79 81 72 72 65 71 *** 73 65 66 *** 1965 65 63 70 75 77 77 72 74 75 78 67 66 72 1966 67 70 58 67 76 67 67 69 73 77 70 63 69 1967 66 55 66 72 76 71 67 68 77 78 77 57 69 1968 56 56 59 74 73 74 72 69 70 73 82 83 70 1969 79 82 85 74 73 67 76 82 80 74 80 74 77 1970 73 64 70 75 65 77 70 78 85 86 87 80 76 1971 66 67 80 76 79 83 78 80 70 67 73 66 74 1972 83 86 72 76 79 68 68 68 58 63 70 77 72 1973 76 79 56 66 70 74 74 80 72 73 66 60 71 1974 69 68 64 74 71 65 69 75 70 62 71 65 69 1975 55 65 62 72 69 65 69 77 69 63 70 71 67 1976 72 70 66 75 85 63 80 79 *** *** *** *** *** 1977 74 55 66 60 71 72 67 57 63 69 67 69 66 1978 68 66 49 50 72 65 51 64 52 69 80 65 63 1979 69 70 66 54 *** *** 67 52 59 71 69 65 *** 1980 74 76 73 50 62 60 56 69 69 77 70 65 67 1981 64 63 67 70 63 65 62 72 61 73 58 55 64 1982 62 68 56 47 63 62 59 63 77 75 76 69 65 1983 70 57 61 54 64 75 63 71 76 64 59 73 66 1984 69 83 76 56 67 64 55 70 77 85 82 89 73 1985 81 64 73 60 62 64 75 60 77 84 73 84 71 1986 68 69 86 73 72 69 62 64 67 83 88 73 73 1987 55 71 71 57 53 51 53 69 79 93 62 68 65 1988 81 71 62 68 74 63 64 79 85 86 63 59 71 1989 78 77 73 54 60 61 59 70 77 72 78 78 70 1990 82 77 68 72 64 69 71 81 76 77 64 82 74 1991 86 80 82 70 68 68 65 73 80 77 87 78 76 1992 76 68 75 72 74 74 70 71 86 72 64 80 74 1993 81 84 69 61 67 67 73 72 77 83 88 84 76 1994 76 73 65 67 68 69 66 84 79 81 76 77 73 1995 70 69 65 63 61 62 62 74 81 85 58 66 68 1996 80 72 77 67 66 68 66 73 77 76 90 71 74 1997 70 76 71 53 60 71 74 71 76 60 69 68 68 1998 82 79 68 59 70 63 65 66 77 65 68 69 69 1999 71 57 78 66 67 61 61 65 85 73 74 65 69 2000 74 73 70 49 63 68 57 66 84 87 82 78 71 MEAN 71 70 69 66 70 68 67 71 74 75 73 71 70 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 18 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. NO. OF DAYS MINIMUM TEMPERATURE EQUAL OR LESS THAN -4 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 23 15 16 1 0 0 0 0 0 0 6 11 72 1962 28 12 2 0 0 0 0 0 0 0 3 10 55 1963 11 7 8 0 0 0 0 0 *** 0 2 21 *** 1964 29 18 4 2 0 0 0 0 *** 0 5 19 *** 1965 29 17 5 2 0 0 0 0 0 2 1 10 66 1966 3 6 2 0 0 0 0 0 0 0 1 8 20 1967 24 26 9 3 0 0 0 0 0 0 3 17 82 1968 17 17 13 0 0 0 0 0 0 0 0 9 56 1969 24 26 8 1 0 0 0 0 0 2 7 6 74 1970 24 9 6 0 0 0 0 0 0 0 1 23 63 1971 27 21 4 0 0 0 0 0 0 0 1 19 72 1972 31 29 24 1 0 0 0 0 0 0 4 29 118 1973 31 24 11 0 0 0 0 0 0 0 17 21 104 1974 31 28 17 0 0 0 0 0 0 0 1 22 99 1975 31 28 16 0 0 0 0 0 0 0 1 22 98 1976 31 28 17 0 0 0 0 0 *** *** *** *** *** 1977 29 10 4 0 0 0 0 0 0 4 2 18 67 1978 15 10 4 0 0 0 0 0 0 0 16 4 49 1979 19 14 6 0 *** *** 0 0 0 0 0 11 *** 1980 27 25 13 1 0 0 0 0 0 0 0 6 72 1981 14 13 6 3 0 0 0 0 0 0 1 2 39 1982 23 25 10 0 0 0 0 0 0 0 10 29 97 1983 25 23 14 1 0 0 0 0 0 1 3 19 86 1984 22 26 3 2 1 0 0 0 0 5 2 26 87 1985 24 14 15 0 0 0 0 0 0 2 4 20 79 1986 18 20 21 0 0 0 0 0 0 0 0 20 79 1987 11 14 14 8 0 0 0 0 1 0 6 12 66 1988 27 23 9 2 0 0 0 0 0 0 9 18 88 1989 30 25 9 0 0 0 0 0 0 0 3 18 85 1990 29 26 11 5 0 0 0 0 0 0 3 13 87 1991 30 19 9 0 0 0 0 0 0 0 1 21 80 1992 27 22 16 1 1 0 0 0 0 0 5 19 91 1993 29 25 16 2 0 0 0 0 0 0 17 31 120 1994 25 24 8 1 0 0 0 0 0 1 2 20 81 1995 16 19 19 1 0 0 0 0 0 0 13 29 97 1996 26 22 14 4 0 0 0 0 0 1 10 11 88 1997 25 25 19 2 0 0 0 0 0 0 4 12 87 1998 26 22 8 0 0 0 0 0 0 0 0 9 65 1999 14 14 14 0 0 0 0 0 0 0 10 7 59 2000 20 14 13 0 0 0 0 0 0 0 0 7 54 MEAN 24 20 11 1 0 0 0 0 0 0 4 16 76 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 19 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. NO. OF DAYS MINIMUM TEMPERATURE EQUAL OR MORE THAN 21 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 0 0 0 0 0 0 0 0 0 0 0 0 0 1962 0 0 0 0 0 0 0 0 0 0 0 0 0 1963 0 0 0 0 0 0 0 0 *** 0 0 0 *** 1964 0 0 0 0 0 0 0 0 *** 0 0 0 *** 1965 0 0 0 0 0 0 0 0 0 0 0 0 0 1966 0 0 0 0 0 0 0 0 0 0 0 0 0 1967 0 0 0 0 0 0 0 0 0 0 0 0 0 1968 0 0 0 0 0 0 0 0 0 0 0 0 0 1969 0 0 0 0 0 0 0 0 0 0 0 0 0 1970 0 0 0 0 0 0 0 0 0 0 0 0 0 1971 0 0 0 0 0 0 0 0 0 0 0 0 0 1972 0 0 0 0 0 0 0 0 0 0 0 0 0 1973 0 0 0 0 0 0 0 0 0 0 0 0 0 1974 0 0 0 0 0 0 0 0 0 0 0 0 0 1975 0 0 0 0 0 0 0 1 0 0 0 0 1 1976 0 0 0 0 0 0 0 2 *** *** *** *** *** 1977 0 0 0 0 0 0 0 0 0 0 0 0 0 1978 0 0 0 0 0 0 0 0 0 0 0 0 0 1979 0 0 0 0 *** *** 0 0 0 0 0 0 *** 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 0 0 0 0 0 0 0 0 0 0 0 0 0 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 1985 0 0 0 0 0 0 0 0 0 0 0 0 0 1986 0 0 0 0 0 0 0 0 0 0 0 0 0 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 0 0 0 0 0 0 0 0 1989 0 0 0 0 0 0 0 0 0 0 0 0 0 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 0 0 0 0 0 0 0 0 0 0 0 0 0 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 0 0 0 0 0 0 0 0 1 0 0 0 1 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 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 ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. NO. OF DAYS MAXIMUM TEMPERATURE EQUAL OR LESS THAN 0 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 7 4 0 0 0 0 0 0 0 0 0 0 11 1962 *** 1 1 0 0 0 0 0 0 0 0 1 *** 1963 2 1 2 0 0 0 0 0 *** 0 0 3 *** 1964 11 2 2 0 0 0 0 0 *** 0 0 4 *** 1965 17 2 1 0 0 0 0 0 0 0 0 0 20 1966 0 0 0 0 0 0 0 0 *** *** *** *** *** 1967 12 19 4 2 0 0 0 0 0 0 0 3 40 1968 2 7 1 0 0 0 0 0 0 0 0 3 13 1969 18 15 3 0 0 0 0 0 0 0 1 0 37 1970 7 0 1 0 0 0 0 0 0 0 0 13 21 1971 17 13 0 0 0 0 0 0 0 0 0 4 34 1972 25 23 3 0 0 0 0 0 0 0 0 18 69 1973 25 19 0 0 0 0 0 0 0 0 3 11 58 1974 23 16 5 0 0 0 0 0 0 0 0 18 62 1975 23 14 6 0 0 0 0 0 0 0 0 18 61 1976 22 14 6 0 0 0 0 0 *** *** *** *** *** 1977 24 1 0 0 0 0 0 0 0 1 0 9 35 1978 1 2 0 0 0 0 0 0 0 0 3 1 7 1979 8 6 1 0 *** *** 0 0 0 0 0 2 *** 1980 12 10 2 0 0 0 0 0 0 0 0 0 24 1981 2 4 4 1 0 0 0 0 0 0 0 0 11 1982 10 14 3 0 0 0 0 0 0 0 9 12 48 1983 19 1 6 0 0 0 0 0 0 0 0 5 31 1984 2 21 0 0 0 0 0 0 0 0 1 22 46 1985 12 6 13 0 0 0 0 0 0 0 0 6 37 1986 6 8 11 0 0 0 0 0 0 0 2 14 41 1987 0 5 1 1 0 0 0 0 0 0 0 4 11 1988 18 12 1 0 0 0 0 0 0 0 0 5 36 1989 28 16 2 0 0 0 0 0 0 0 0 5 51 1990 23 15 4 1 0 0 0 0 0 0 0 12 55 1991 18 12 4 0 0 0 0 0 0 0 0 7 41 1992 17 9 6 0 0 0 0 0 0 0 0 8 40 1993 22 13 3 0 0 0 0 0 0 0 13 11 62 1994 6 9 3 0 0 0 0 0 0 0 0 11 29 1995 3 1 2 0 0 0 0 0 0 0 0 9 15 1996 11 8 5 0 0 0 0 0 0 0 0 0 24 1997 8 16 9 0 0 0 0 0 0 0 0 4 37 1998 17 11 1 0 0 0 0 0 0 0 0 2 31 1999 1 0 1 0 0 0 0 0 0 0 4 1 7 2000 13 6 5 0 0 0 0 0 0 0 0 3 27 MEAN 13 9 3 0 0 0 0 0 0 0 1 7 33 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 21 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. NO. OF DAYS MAXIMUM TEMPERATURE EQUAL OR MORE THAN 30 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 0 0 0 0 0 1 0 5 1 0 0 0 7 1962 *** 0 0 0 1 2 10 7 3 0 0 0 *** 1963 0 0 0 0 0 1 4 0 *** 1 0 0 *** 1964 0 0 0 0 0 2 4 4 *** 1 0 0 *** 1965 0 0 0 0 1 4 7 9 3 0 0 0 24 1966 0 0 0 0 0 9 13 12 *** *** *** *** *** 1967 0 0 0 0 0 3 0 0 0 0 0 0 3 1968 0 0 0 0 0 1 9 4 10 1 0 0 25 1969 0 0 0 0 0 2 2 3 0 0 0 0 7 1970 0 0 0 0 0 1 1 2 2 0 0 0 6 1971 0 0 0 0 0 3 14 3 0 0 0 0 20 1972 0 0 0 0 0 6 4 0 3 1 0 0 14 1973 0 0 0 0 2 4 7 2 0 0 0 0 15 1974 0 0 0 0 2 4 4 3 0 0 0 0 13 1975 0 0 0 0 2 4 5 5 0 0 0 0 16 1976 0 0 0 0 1 4 4 7 *** *** *** *** *** 1977 0 0 0 0 0 7 1 10 5 3 0 0 26 1978 0 0 0 0 0 3 10 1 12 0 0 0 26 1979 0 0 0 0 *** *** 8 14 13 0 0 0 *** 1980 0 0 0 0 4 8 13 4 7 0 0 0 36 1981 0 0 0 0 0 1 5 2 6 0 0 0 14 1982 0 0 0 0 0 3 10 0 0 0 0 0 13 1983 0 0 0 0 0 0 6 3 0 0 0 0 9 1984 0 0 0 0 0 2 2 1 0 0 0 0 5 1985 0 0 0 0 0 3 0 0 3 0 0 0 6 1986 0 0 0 0 0 0 4 0 3 0 0 0 7 1987 0 0 0 0 4 3 3 5 1 2 0 0 18 1988 0 0 0 0 0 5 2 0 3 0 0 0 10 1989 0 0 0 0 1 0 1 3 1 1 0 0 7 1990 0 0 0 0 0 4 2 0 4 0 0 0 10 1991 0 0 0 0 0 0 6 0 0 0 0 0 6 1992 0 0 0 0 0 0 2 1 0 0 0 0 3 1993 0 0 0 0 0 3 1 2 7 0 0 0 13 1994 0 0 0 0 0 1 0 0 0 0 0 0 1 1995 0 0 0 0 0 5 0 3 0 1 0 0 9 1996 0 0 0 0 2 1 1 5 8 0 0 0 17 1997 0 0 0 2 1 4 0 3 5 0 0 0 15 1998 0 0 0 0 0 3 4 6 2 1 0 0 16 1999 0 0 0 0 0 0 1 10 0 0 0 0 11 2000 0 0 0 0 0 2 6 5 3 0 0 0 16 MEAN 0 0 0 0 1 3 4 4 3 0 0 0 15 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 22 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. NO. OF DAYS MAXIMUM TEMPERATURE EQUAL OR MORE THAN 40 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 0 0 0 0 0 0 0 0 0 0 0 0 0 1962 *** 0 0 0 0 0 0 0 0 0 0 0 *** 1963 0 0 0 0 0 0 0 0 *** 0 0 0 *** 1964 0 0 0 0 0 0 0 0 *** 0 0 0 *** 1965 0 0 0 0 0 0 0 0 0 0 0 0 0 1966 0 0 0 0 0 0 0 0 *** *** *** *** *** 1967 0 0 0 0 0 0 0 0 0 0 0 0 0 1968 0 0 0 0 0 0 0 0 0 0 0 0 0 1969 0 0 0 0 0 0 0 0 0 0 0 0 0 1970 0 0 0 0 0 0 0 0 0 0 0 0 0 1971 0 0 0 0 0 0 0 0 0 0 0 0 0 1972 0 0 0 0 0 0 0 0 0 0 0 0 0 1973 0 0 0 0 0 0 0 0 0 0 0 0 0 1974 0 0 0 0 0 0 0 0 0 0 0 0 0 1975 0 0 0 0 0 0 0 0 0 0 0 0 0 1976 0 0 0 0 0 0 0 0 *** *** *** *** *** 1977 0 0 0 0 0 0 0 0 0 0 0 0 0 1978 0 0 0 0 0 0 0 0 0 0 0 0 0 1979 0 0 0 0 *** *** 0 0 0 0 0 0 *** 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 0 0 0 0 0 0 0 0 0 0 0 0 0 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 1985 0 0 0 0 0 0 0 0 0 0 0 0 0 1986 0 0 0 0 0 0 0 0 0 0 0 0 0 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 0 0 0 0 0 0 0 0 1989 0 0 0 0 0 0 0 0 0 0 0 0 0 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 0 0 0 0 0 0 0 0 0 0 0 0 0 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 23 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. NO. OF DAYS MAXIMUM TEMPERATURE EQUAL OR MORE THAN 45 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 0 0 0 0 0 0 0 0 0 0 0 0 0 1962 *** 0 0 0 0 0 0 0 0 0 0 0 *** 1963 0 0 0 0 0 0 0 0 *** 0 0 0 *** 1964 0 0 0 0 0 0 0 0 *** 0 0 0 *** 1965 0 0 0 0 0 0 0 0 0 0 0 0 0 1966 0 0 0 0 0 0 0 0 *** *** *** *** *** 1967 0 0 0 0 0 0 0 0 0 0 0 0 0 1968 0 0 0 0 0 0 0 0 0 0 0 0 0 1969 0 0 0 0 0 0 0 0 0 0 0 0 0 1970 0 0 0 0 0 0 0 0 0 0 0 0 0 1971 0 0 0 0 0 0 0 0 0 0 0 0 0 1972 0 0 0 0 0 0 0 0 0 0 0 0 0 1973 0 0 0 0 0 0 0 0 0 0 0 0 0 1974 0 0 0 0 0 0 0 0 0 0 0 0 0 1975 0 0 0 0 0 0 0 0 0 0 0 0 0 1976 0 0 0 0 0 0 0 0 *** *** *** *** *** 1977 0 0 0 0 0 0 0 0 0 0 0 0 0 1978 0 0 0 0 0 0 0 0 0 0 0 0 0 1979 0 0 0 0 *** *** 0 0 0 0 0 0 *** 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 0 0 0 0 0 0 0 0 0 0 0 0 0 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 1985 0 0 0 0 0 0 0 0 0 0 0 0 0 1986 0 0 0 0 0 0 0 0 0 0 0 0 0 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 0 0 0 0 0 0 0 0 1989 0 0 0 0 0 0 0 0 0 0 0 0 0 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 0 0 0 0 0 0 0 0 0 0 0 0 0 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 24 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. NO. OF FREEZING DAYS , DATE OF START AND END FREEZING START END YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MO DAY MO DAY -------------- 1961 28 26 21 12 0 0 0 0 0 3 11 21 122 10 19 4 18 1962 31 22 13 4 0 0 0 0 0 1 11 22 104 10 24 4 20 1963 18 16 21 0 0 0 0 0 *** 0 21 29 *** 11 2 3 29 1964 31 28 13 7 1 0 0 0 *** 5 10 30 *** 10 4 5 2 1965 31 25 17 9 0 0 0 0 0 5 15 25 127 10 26 4 16 1966 11 26 17 3 0 0 0 0 0 0 7 26 90 11 7 4 6 1967 31 28 30 20 0 0 0 0 0 0 9 26 144 11 14 4 20 1968 27 26 21 12 0 0 0 0 0 1 0 19 106 10 29 4 28 1969 27 27 21 9 0 0 0 0 0 2 19 21 126 10 30 4 19 1970 31 21 23 2 0 0 0 0 0 3 13 30 123 10 25 4 26 1971 31 27 25 10 0 0 0 0 0 0 12 30 135 11 17 4 20 1972 31 29 29 8 0 0 0 0 0 0 18 31 146 11 6 4 8 1973 31 28 28 6 1 0 0 0 0 1 21 31 147 10 5 5 4 1974 31 28 31 10 0 0 0 0 0 1 15 29 145 10 18 4 13 1975 31 28 31 4 0 0 0 0 0 1 16 30 141 10 19 4 4 1976 31 28 31 3 0 0 0 0 *** *** *** *** *** 1 1 4 3 1977 31 22 15 1 0 0 0 0 0 12 15 26 122 10 7 4 17 1978 25 20 16 8 2 1 0 0 0 0 28 24 124 11 2 6 2 1979 28 21 15 6 *** *** 0 0 0 1 13 28 *** 10 28 4 29 1980 31 29 20 3 0 0 0 0 0 2 3 27 115 10 22 4 19 1981 23 24 17 5 0 0 0 0 0 0 15 17 101 11 6 4 12 1982 28 28 25 1 0 0 0 0 0 0 26 31 139 11 2 4 3 1983 29 28 26 9 0 0 0 0 1 7 7 24 131 9 28 4 24 1984 30 27 29 10 3 0 0 0 0 9 12 28 148 10 9 5 7 1985 29 22 22 3 3 0 0 0 0 7 13 31 130 10 8 5 12 1986 28 27 29 9 0 0 0 0 1 3 20 24 141 9 13 4 30 1987 25 26 23 19 3 0 0 0 1 9 25 20 151 9 24 5 7 1988 30 25 23 9 3 0 0 0 0 0 17 25 132 11 2 5 5 1989 30 26 23 11 3 0 0 0 1 5 8 28 135 9 20 5 14 1990 31 27 24 15 3 0 0 0 0 2 15 26 143 10 17 5 6 1991 31 24 23 8 0 0 0 0 1 2 10 26 125 9 28 4 29 1992 30 26 27 12 6 0 0 0 0 7 15 28 151 10 1 5 6 1993 29 28 26 12 2 1 0 0 1 11 24 31 165 9 25 6 23 1994 31 26 28 11 0 0 0 0 4 6 14 29 149 9 16 4 15 1995 30 28 28 8 4 0 0 0 0 10 19 31 158 10 5 5 18 1996 28 26 30 12 1 0 0 0 0 7 20 19 143 10 17 5 2 1997 27 28 23 10 1 0 0 0 0 1 15 21 126 10 31 5 6 1998 31 26 19 10 2 0 0 0 0 2 7 20 117 10 14 5 4 1999 25 19 23 10 2 0 0 0 0 2 16 16 113 10 14 5 22 2000 27 26 26 2 0 0 0 0 0 1 13 21 116 10 30 4 3 MEAN 28 26 23 8 1 0 0 0 0 3 15 26 130 9 13 6 23 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 25 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 -2.0 -0.1 3.0 9.1 17.1 19.0 18.1 18.7 14.8 11.9 9.0 5.2 10.3 1962 -2.4 2.5 8.7 8.1 13.9 16.3 20.8 19.0 16.5 11.8 6.5 4.4 10.5 1963 2.8 4.5 4.0 10.9 11.9 17.4 19.4 17.6 ****** 13.7 6.3 -1.8 ****** 1964 -9.2 0.5 5.9 6.4 15.8 18.8 18.9 18.5 ****** 11.7 5.8 -0.1 ****** 1965 -3.9 -0.2 4.6 8.4 16.2 18.3 19.8 20.3 16.2 10.1 8.2 3.9 10.1 1966 5.0 4.2 6.5 9.9 13.2 19.3 22.0 21.1 17.0 10.7 8.5 4.3 11.8 1967 -2.2 -6.1 1.4 4.6 14.1 16.6 17.9 19.2 15.9 13.4 7.7 1.9 8.7 1968 0.8 -0.6 3.3 7.3 13.8 14.9 20.2 20.2 19.2 13.1 7.1 2.5 10.2 1969 -4.4 -4.6 3.6 6.8 12.5 17.5 16.4 17.3 14.6 10.9 3.9 5.2 8.3 1970 -1.6 4.1 4.3 12.4 16.0 16.5 19.1 19.6 15.8 11.6 9.0 -0.4 10.5 1971 -4.4 -2.7 5.4 8.1 15.6 17.5 20.8 19.1 16.0 10.9 7.9 0.4 9.6 1972 -9.1 -8.6 -0.2 10.1 11.1 18.1 20.7 19.3 17.9 15.3 4.9 -5.5 7.8 1973 -7.3 -3.7 1.7 7.4 12.6 17.8 19.0 18.6 15.0 10.2 2.5 -1.0 7.7 1974 -6.7 -4.9 -1.2 7.4 17.8 18.7 18.4 17.8 15.6 14.4 7.4 -2.1 8.5 1975 -4.7 -3.9 -1.0 8.9 17.3 18.6 18.4 21.1 15.6 14.5 7.3 -2.1 9.2 1976 -4.7 -4.0 -1.0 9.3 13.2 19.1 18.6 21.1 ****** ****** ****** ****** ****** 1977 -7.2 4.6 7.2 11.9 14.3 19.5 19.7 20.6 17.4 8.6 6.7 -0.2 10.3 1978 0.8 3.2 8.2 11.0 13.1 16.1 20.5 18.4 19.7 13.6 -0.6 4.0 10.7 1979 -0.8 2.5 5.3 12.1 ****** ****** 20.5 21.0 18.8 13.1 8.3 2.5 ****** 1980 -3.6 -2.9 2.8 12.7 16.0 18.8 22.1 18.8 16.1 10.4 8.4 3.5 10.3 1981 1.2 2.3 5.2 8.3 12.8 16.9 19.6 19.0 17.5 12.3 7.3 5.5 10.7 1982 -2.2 -3.9 2.6 13.5 14.4 17.4 20.7 17.7 15.8 9.4 0.4 -4.6 8.4 1983 -5.9 -1.0 1.6 9.5 14.6 16.3 20.7 17.8 13.3 10.7 8.4 -0.4 8.8 1984 0.5 -5.5 3.2 10.5 10.4 15.0 19.6 16.5 14.7 9.4 5.5 -6.4 7.8 1985 -4.4 0.1 -2.4 10.7 13.8 17.4 16.6 17.9 15.3 8.5 6.7 -1.7 8.2 1986 -1.3 0.2 -1.1 8.1 12.4 15.7 19.5 18.4 16.0 10.9 3.8 -2.7 8.3 1987 2.9 2.0 2.7 7.4 16.1 18.2 18.1 17.9 13.8 5.6 5.4 2.6 9.4 1988 -4.8 -2.1 4.4 9.1 12.0 17.9 18.8 16.9 14.1 10.9 6.2 1.7 8.8 1989 -11.1 -11.3 3.6 10.4 13.5 17.1 19.7 18.5 14.5 12.1 7.0 0.5 7.9 1990 -8.6 -3.8 2.8 7.8 12.5 17.9 18.6 16.6 16.0 10.4 7.9 -1.1 8.1 1991 -6.0 -2.9 2.4 10.5 13.1 16.6 19.8 17.4 14.0 11.9 5.4 -1.9 8.4 1992 -5.5 -1.8 0.7 7.5 10.3 15.8 17.4 15.9 13.5 10.9 5.7 -1.4 7.4 1993 -6.0 -4.5 2.2 9.2 13.3 16.4 17.4 17.5 14.8 8.3 -1.5 -4.1 6.9 1994 -1.7 -2.9 3.6 10.8 13.5 14.3 16.4 17.0 13.5 10.1 5.5 -2.3 8.2 1995 1.8 1.1 4.7 10.3 13.6 17.1 18.2 18.4 15.0 8.9 7.2 -1.0 9.6 1996 -3.3 -1.2 1.1 7.3 14.9 15.4 19.5 18.2 16.7 10.7 3.9 5.3 9.1 1997 -1.1 -5.0 -0.7 11.1 14.5 18.5 18.7 19.4 14.7 14.1 6.1 2.0 9.4 1998 -3.6 -3.8 4.7 11.6 14.2 19.0 19.6 20.1 15.7 12.3 9.0 4.7 10.3 1999 1.6 4.3 4.1 9.0 13.0 17.4 18.7 21.6 15.3 11.6 3.6 4.3 10.4 2000 -0.4 0.0 2.6 14.0 13.7 16.6 20.5 20.0 16.2 9.5 4.6 2.5 10.0 MEAN -3.1 -1.4 3.0 9.5 13.9 17.3 19.2 18.7 15.7 11.2 6.0 0.7 9.2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 26 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 -7.3 -4.5 -1.5 5.2 13.1 14.7 13.8 14.3 11.0 7.9 3.9 -0.7 5.8 1962 -9.2 -2.5 3.0 4.2 9.8 11.7 14.7 13.8 11.5 7.6 2.5 -0.6 5.5 1963 -2.7 -0.6 -1.0 5.9 9.2 12.3 13.6 12.7 ****** 9.8 1.8 -7.5 ****** 1964 -18.9 -4.0 2.3 3.1 10.4 12.8 11.9 12.9 ****** 6.5 0.0 -6.3 ****** 1965 -10.1 -6.2 -0.9 3.7 11.1 13.1 14.3 14.9 11.4 6.2 2.2 -2.0 4.8 1966 -1.1 -0.9 -0.6 3.4 7.7 13.0 15.1 14.9 11.8 6.7 3.7 -1.4 6.0 1967 -6.1 -10.2 -4.3 -1.5 8.9 10.7 11.5 13.2 11.8 8.0 3.4 -4.8 3.4 1968 -7.4 -6.3 -4.4 2.1 8.5 9.6 14.7 14.0 13.2 6.7 3.1 -1.8 4.3 1969 -8.7 -7.3 1.3 2.3 8.1 10.9 12.3 14.2 11.0 6.5 0.3 0.5 4.3 1970 -5.5 -1.7 -0.3 8.2 9.2 12.1 13.1 15.3 13.7 9.1 6.8 -3.6 6.4 1971 -9.2 -7.5 1.6 4.0 11.8 14.6 17.2 15.9 10.6 3.6 3.2 -5.5 5.0 1972 -12.0 -10.5 -5.7 4.6 7.6 12.3 13.9 10.8 9.1 7.9 -0.6 -9.3 2.3 1973 -11.6 -7.8 -6.3 0.1 6.6 13.2 13.9 14.8 9.0 4.2 -3.5 -7.5 2.1 1974 -11.8 -10.4 -7.6 2.3 11.7 12.2 12.8 13.0 9.8 7.3 2.1 -8.0 2.8 1975 -12.2 -11.0 -7.6 3.7 10.8 12.1 12.5 16.2 9.5 7.7 2.3 -6.8 3.1 1976 -9.4 -9.3 -6.5 5.0 10.3 12.3 14.9 17.4 ****** ****** ****** ****** ****** 1977 -11.5 -3.3 0.6 4.6 8.6 14.2 13.7 11.9 9.6 1.9 0.5 -5.5 3.8 1978 -5.2 -3.4 -1.6 0.7 7.6 9.7 10.9 11.5 8.8 7.3 -4.3 -2.0 3.3 1979 -5.7 -2.2 -0.7 3.1 ****** ****** 13.9 10.4 8.8 7.5 2.4 -3.1 ****** 1980 -7.5 -6.4 -1.7 2.4 8.2 9.6 12.4 12.0 9.2 5.2 3.1 -2.6 3.7 1981 -5.1 -4.3 -0.8 1.9 5.2 9.3 12.2 12.8 8.2 6.8 -1.0 -3.4 3.5 1982 -8.9 -9.6 -5.3 2.8 6.9 9.4 11.8 10.3 10.0 4.2 -4.0 -10.3 1.4 1983 -11.0 -7.9 -4.6 0.5 7.7 11.6 13.5 11.8 8.5 1.9 -0.1 -4.2 2.3 1984 -4.6 -8.1 -0.9 0.8 4.4 8.3 10.8 10.6 9.0 5.2 2.5 -8.1 2.5 1985 -7.0 -6.5 -6.2 2.9 6.1 10.1 12.0 9.2 8.8 4.2 2.0 -4.1 2.6 1986 -6.2 -4.4 -3.4 2.9 6.7 10.1 12.2 10.6 7.5 6.5 1.1 -7.1 3.0 1987 -5.7 -3.1 -2.9 -0.6 5.4 7.2 8.2 10.7 8.4 3.4 -2.1 -3.6 2.1 1988 -7.8 -7.2 -2.7 2.4 6.5 10.4 11.7 12.6 10.1 6.9 -2.0 -5.6 2.9 1989 -14.1 -14.7 -1.4 1.4 5.1 9.4 11.7 12.0 8.6 5.3 1.8 -2.9 1.9 1990 -11.2 -7.4 -2.3 2.5 5.0 11.2 13.2 13.1 10.1 5.2 0.6 -4.5 3.0 1991 -7.9 -5.7 -0.4 4.5 7.1 11.0 12.9 12.2 9.0 6.2 2.4 -4.9 3.9 1992 -9.2 -6.7 -3.2 2.0 5.6 10.8 12.0 10.3 9.7 5.1 -0.5 -4.6 2.6 1993 -8.9 -7.0 -3.3 1.1 6.3 10.2 12.7 11.8 9.1 3.7 -3.4 -6.4 2.1 1994 -4.7 -6.6 -2.0 3.8 7.3 9.1 10.4 13.5 7.9 5.3 0.7 -6.0 3.2 1995 -3.3 -3.8 -2.5 2.9 5.9 9.2 10.6 12.6 10.4 5.4 -2.0 -6.8 3.2 1996 -6.8 -5.8 -2.7 0.6 7.9 9.6 13.3 12.6 10.6 5.2 0.8 -0.2 3.8 1997 -6.3 -8.7 -5.7 1.4 6.5 12.2 13.7 13.0 7.9 4.4 0.3 -3.7 2.9 1998 -6.8 -7.2 -1.1 3.0 7.7 11.4 12.3 12.7 10.0 3.5 1.8 -2.2 3.8 1999 -3.4 -3.4 -1.4 1.7 6.7 9.3 10.9 13.2 11.1 4.2 -1.3 -2.0 3.8 2000 -5.5 -5.3 -3.1 3.1 6.2 9.5 11.4 12.1 11.4 5.7 0.9 -2.0 3.7 MEAN -7.9 -6.2 -2.5 2.7 7.8 11.0 12.7 12.8 9.9 5.8 0.8 -4.4 3.5 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 27 STATION ARDEBIL LATITUDE 38 15 N DATA PROCESSING CENTER LONGITUDE 48 17 E ELEVATION 1350 MET. AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 2.89 3.52 4.32 6.89 11.46 12.82 11.84 12.50 9.86 8.20 6.41 4.38 7.92 1962 2.54 3.86 5.78 6.27 9.21 10.38 12.58 11.99 10.36 7.97 5.49 4.49 7.58 1963 3.88 4.45 4.59 6.95 8.72 10.69 11.62 10.92 ****** 9.18 5.33 2.93 ****** 1964 1.37 3.55 5.54 5.89 9.69 11.15 10.49 11.20 ****** 7.52 4.74 3.07 ****** 1965 2.24 3.15 4.54 6.25 10.05 11.42 12.23 12.89 10.12 7.35 5.43 4.05 7.48 1966 4.22 4.34 4.46 5.87 8.05 11.36 13.15 12.72 10.44 7.32 6.03 4.22 7.68 1967 2.96 2.22 3.38 4.21 8.81 9.86 10.12 11.42 10.44 8.41 6.04 3.48 6.78 1968 2.84 3.15 3.57 5.48 8.48 9.11 12.79 12.08 11.74 7.49 5.67 3.99 7.20 1969 2.61 2.78 5.30 5.50 8.07 9.72 10.65 12.14 9.90 7.46 4.77 4.79 6.97 1970 3.14 4.16 4.69 8.36 8.94 10.95 11.36 13.04 12.15 9.14 7.88 3.82 8.14 1971 2.72 3.12 5.29 6.45 10.74 12.93 15.37 14.13 10.20 5.90 5.93 3.17 8.00 1972 1.92 2.15 3.03 6.56 7.91 10.98 12.08 9.56 8.78 8.02 4.44 2.33 6.48 1973 1.95 2.61 2.96 4.66 7.43 11.62 12.07 12.63 8.73 6.20 3.83 2.75 6.45 1974 1.92 2.11 2.58 5.46 10.59 10.72 11.02 11.12 9.23 7.96 5.52 2.70 6.74 1975 1.88 2.04 2.61 6.08 10.08 10.59 10.86 14.10 9.15 8.19 5.59 2.88 7.00 1976 2.31 2.30 2.83 6.55 9.47 10.85 12.84 15.18 ****** ****** ****** ****** ****** 1977 2.05 3.59 4.95 6.39 8.37 12.13 11.71 10.33 8.94 5.33 4.74 3.11 6.80 1978 3.19 3.53 4.06 4.80 7.76 8.99 9.76 10.12 8.52 7.59 3.39 3.92 6.30 1979 3.05 3.93 4.45 5.70 ****** ****** 11.72 9.54 8.98 7.70 5.46 3.65 ****** 1980 2.66 2.89 4.13 5.46 8.10 8.87 10.63 10.45 8.72 6.60 5.71