IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 1 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. AVERAGE OF MEAN DAILY TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MAX-MIN 1961 4.4 7.2 11.7 16.7 25.7 29.1 31.6 28.9 26.0 18.3 12.0 9.0 27.2 1962 6.0 9.1 ****** 16.0 23.7 27.5 31.1 29.2 24.3 20.0 10.5 7.9 ****** 1963 9.4 11.9 13.5 19.3 21.8 29.7 32.8 31.2 26.7 21.5 12.6 4.6 28.2 1964 -2.2 7.4 14.7 17.2 25.5 30.6 33.2 31.7 26.1 17.9 12.0 2.8 35.4 1965 2.8 7.7 13.2 17.6 25.5 29.8 32.2 30.8 25.6 19.9 14.8 8.6 29.4 1966 10.1 11.5 13.6 18.8 24.2 30.8 31.7 31.7 27.0 18.9 12.7 ****** ****** 1967 6.3 6.3 12.0 17.3 24.5 28.2 32.5 31.1 26.5 19.4 13.8 7.8 26.2 1968 5.9 5.7 12.3 17.5 23.2 28.1 31.3 31.0 27.1 20.5 12.5 8.1 25.6 1969 1.5 4.3 13.1 17.0 24.0 29.5 31.0 29.2 24.1 20.9 10.1 8.8 29.5 1970 5.4 10.9 12.8 21.0 26.3 30.0 31.6 31.6 25.1 19.9 15.2 6.5 26.2 1971 5.7 7.2 14.5 17.0 26.4 30.0 32.4 31.2 25.9 18.6 14.7 8.0 26.7 1972 0.0 1.0 8.9 18.6 20.3 28.6 31.9 28.8 25.7 21.3 11.8 3.0 31.9 1973 1.2 9.0 10.8 15.0 23.3 29.4 31.1 30.2 25.4 20.3 11.1 4.8 29.9 1974 -0.1 1.8 12.1 17.9 25.6 30.6 31.1 28.4 25.5 17.9 13.3 ****** ****** 1975 4.4 6.6 12.0 18.7 23.1 29.1 31.7 27.2 24.1 17.0 8.8 3.3 28.4 1976 6.0 2.9 6.1 14.9 21.4 27.4 30.3 28.3 25.6 18.7 10.2 6.4 27.4 1977 ****** ****** ****** ****** ****** 28.6 30.4 28.4 24.8 18.4 14.0 9.1 ****** 1978 7.1 8.1 12.4 17.3 24.4 26.7 31.3 29.5 24.2 21.9 12.8 9.7 24.2 1979 ****** ****** ****** ****** ****** 26.5 31.1 28.3 ****** ****** ****** ****** ****** 1980 3.4 5.3 12.5 20.7 24.9 28.8 30.6 29.2 24.4 18.8 15.0 8.7 27.2 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** 8.0 17.7 21.8 27.8 30.7 28.4 23.9 19.8 10.2 4.4 ****** 1987 6.2 8.4 11.1 17.8 24.8 29.7 30.5 30.1 25.0 15.0 12.2 7.0 24.3 1988 4.8 6.9 12.2 17.5 24.5 28.9 31.6 30.4 25.0 18.3 11.7 6.6 26.8 1989 1.3 1.7 11.7 18.7 23.2 29.4 32.3 30.4 24.7 19.4 12.1 7.8 31.0 1990 3.0 5.7 11.3 17.6 24.6 29.7 31.7 30.9 25.9 18.7 12.7 5.6 28.7 1991 4.6 4.6 10.9 18.6 22.6 28.3 31.2 29.0 24.7 18.3 11.2 4.6 26.6 1992 1.6 5.1 7.3 16.5 19.5 27.4 31.4 28.0 22.4 17.8 11.7 5.3 29.8 1993 1.4 6.0 9.8 17.9 22.2 28.0 30.3 29.4 25.5 16.5 8.6 6.5 28.9 1994 6.2 6.7 12.9 18.7 23.2 28.1 31.7 30.9 22.7 17.7 12.4 3.7 28.0 1995 6.4 8.4 12.6 17.7 22.8 27.7 32.3 31.0 24.5 17.1 11.7 3.8 28.5 1996 2.8 7.4 9.4 16.6 23.8 28.9 30.6 29.7 26.9 17.5 9.9 7.6 27.8 1997 6.1 5.5 10.0 17.6 23.3 29.6 33.4 31.0 25.0 20.8 11.3 6.6 27.9 1998 3.9 6.5 11.8 19.0 23.4 29.9 32.1 30.9 25.6 18.2 13.8 8.1 28.2 1999 5.4 9.3 11.4 18.0 24.7 30.0 30.1 31.0 25.4 20.3 10.5 6.8 25.6 2000 4.4 6.8 11.4 20.8 26.1 28.7 31.2 30.4 26.2 17.1 10.3 6.4 26.8 MEAN 4.2 6.7 11.5 17.9 23.8 28.9 31.5 29.9 25.2 18.9 12.0 6.5 27.3 SD 2.72 2.61 1.96 1.39 1.65 1.10 0.83 1.22 1.11 1.55 1.70 1.96 1.65 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 2 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. AVERAGE OF MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 -0.4 1.5 5.1 10.4 18.3 21.5 23.7 21.1 18.3 10.6 4.9 3.1 11.5 1962 1.0 3.0 ****** 9.1 16.4 19.6 22.5 21.1 15.7 12.6 4.1 2.7 ****** 1963 3.6 6.1 6.6 12.7 15.2 21.5 25.1 23.1 18.0 14.3 6.3 0.1 12.7 1964 -6.9 1.5 8.3 10.3 17.3 22.2 24.7 22.7 17.2 9.7 5.5 -2.2 10.9 1965 -0.7 1.5 7.2 10.9 17.3 21.4 24.3 22.1 17.5 13.7 8.9 2.7 12.2 1966 4.2 5.9 7.4 12.1 17.2 22.3 23.5 23.0 19.2 12.8 5.3 ****** ****** 1967 0.4 1.1 5.2 10.8 17.2 20.1 24.9 22.5 18.5 12.4 8.6 2.5 12.0 1968 1.4 0.9 6.1 10.9 16.3 20.2 23.0 23.0 18.7 13.6 7.6 3.5 12.1 1969 -1.7 0.3 8.5 10.8 16.8 21.2 23.5 21.5 15.7 14.1 3.9 3.4 11.5 1970 1.1 4.6 7.0 13.4 18.7 21.7 24.3 23.6 17.0 12.2 8.9 1.6 12.8 1971 0.1 1.4 8.1 10.7 18.6 22.0 24.2 23.3 17.9 11.8 9.0 3.5 12.5 1972 -3.2 -3.1 4.0 11.9 14.1 20.6 24.3 21.5 17.4 13.3 5.4 -0.5 10.5 1973 -3.4 3.7 4.7 7.9 14.5 20.6 21.8 21.7 17.7 12.1 3.7 -0.3 10.4 1974 -4.3 -2.2 6.9 11.4 18.0 23.0 24.2 19.7 18.3 10.8 7.0 ****** ****** 1975 0.2 1.6 5.3 10.9 13.9 19.3 20.9 16.8 13.9 7.6 1.9 -2.0 9.2 1976 0.2 -3.3 -0.2 7.3 12.9 18.2 20.4 18.0 16.6 11.6 4.0 0.4 8.8 1977 -5.3 -1.5 6.2 9.2 13.7 18.1 19.7 18.1 16.1 10.9 6.2 3.3 9.6 1978 2.9 3.3 5.9 10.2 16.3 17.0 23.1 21.6 16.0 15.0 6.2 4.0 11.8 1979 ****** 6.0 4.4 8.1 8.5 15.5 20.8 18.1 14.7 14.0 8.0 ****** ****** 1980 -0.5 0.3 5.8 13.8 16.9 19.1 20.0 19.0 14.8 12.5 8.5 3.6 11.1 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** 2.4 11.2 14.4 19.4 21.9 19.6 13.7 11.2 4.2 -1.1 ****** 1987 -1.7 1.2 4.9 8.9 16.2 20.7 21.8 21.0 16.0 8.7 4.5 0.3 10.2 1988 -1.0 0.8 4.8 10.1 15.7 20.0 22.9 22.1 15.1 9.1 3.3 -0.8 10.2 1989 -4.7 -4.0 5.1 9.7 14.2 19.5 23.5 21.0 14.7 9.9 4.2 1.6 9.5 1990 -1.9 0.2 4.0 9.1 15.1 19.9 23.3 21.8 14.6 9.9 3.3 -1.7 9.8 1991 -0.9 -1.3 5.0 10.2 14.2 19.4 22.4 18.9 14.8 9.9 2.8 -1.5 9.5 1992 -4.1 -1.8 0.9 9.3 13.0 19.1 22.1 19.6 11.9 8.2 3.4 -0.6 8.4 1993 -3.7 0.4 3.1 10.4 14.5 18.8 21.8 20.7 15.5 7.9 2.6 0.1 9.3 1994 0.2 0.5 5.9 10.4 15.6 19.1 22.9 21.6 13.5 10.0 6.2 -2.0 10.3 1995 -1.2 1.1 4.7 10.1 15.2 19.3 23.2 21.0 14.9 7.9 2.4 -2.7 9.7 1996 -2.4 2.1 4.4 9.8 15.6 20.2 22.5 20.2 17.1 8.2 2.1 -0.1 10.0 1997 -1.8 -3.1 3.0 9.3 14.8 21.4 24.7 20.6 15.3 11.9 4.4 0.8 10.1 1998 -1.6 0.3 5.0 10.6 15.5 20.9 24.1 22.1 16.0 8.7 4.6 0.2 10.6 1999 -0.4 1.5 4.1 9.4 15.2 20.5 21.6 21.4 15.6 11.2 4.2 0.4 10.4 2000 -1.9 -0.7 3.3 12.0 16.9 19.0 22.5 20.9 16.7 9.2 4.3 2.0 10.3 MEAN -1.2 0.9 5.1 10.4 15.5 20.1 22.9 21.0 16.1 11.1 5.2 0.8 10.6 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 3 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. AVERAGE OF MAXIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 9.1 13.0 18.3 22.9 33.1 36.7 39.6 36.7 33.8 26.0 19.1 14.9 25.3 1962 10.9 15.2 ****** 23.0 31.1 35.5 39.7 37.3 32.8 27.3 16.9 13.1 ****** 1963 15.2 17.8 20.5 25.9 28.5 37.8 40.6 39.2 35.5 28.7 18.8 9.1 26.5 1964 2.6 13.3 21.2 24.0 33.7 39.0 41.7 40.6 35.1 26.0 18.4 7.8 25.3 1965 6.3 14.0 19.2 24.3 33.6 38.1 40.2 39.5 33.6 26.1 20.6 14.5 25.8 1966 16.1 17.1 19.8 25.4 31.2 39.3 39.9 40.3 34.8 25.1 20.0 ****** ****** 1967 12.3 11.5 18.8 23.8 31.7 36.2 40.2 39.7 34.5 26.5 19.0 13.1 25.6 1968 10.4 10.5 18.4 24.0 30.1 36.0 39.7 39.0 35.6 27.4 17.3 12.7 25.1 1969 4.8 8.4 17.6 23.1 31.1 37.7 38.5 36.9 32.4 27.7 16.2 14.2 24.1 1970 9.7 17.2 18.7 28.6 34.0 38.4 39.0 39.6 33.1 27.5 21.5 11.3 26.5 1971 11.3 12.9 20.9 23.3 34.3 38.0 40.7 39.0 33.8 25.5 20.4 12.4 26.0 1972 3.2 5.0 13.8 25.3 26.6 36.6 39.5 36.1 34.0 29.3 18.2 6.6 22.9 1973 5.7 14.4 16.9 22.2 32.1 38.2 40.5 38.6 33.1 28.5 18.4 9.9 24.9 1974 4.1 5.7 17.4 24.3 33.2 38.2 38.0 37.0 32.7 24.9 19.5 9.4 23.7 1975 8.5 11.6 18.8 26.5 32.2 38.8 42.4 37.6 34.3 26.3 15.6 8.6 25.1 1976 11.8 9.1 12.4 22.6 29.9 36.7 40.3 38.6 34.5 25.9 16.3 12.4 24.2 1977 ****** ****** ****** ****** ****** 39.0 41.2 38.6 33.4 25.9 20.6 14.9 ****** 1978 11.4 12.9 18.9 24.3 32.5 36.4 39.4 37.4 32.4 28.8 19.4 15.5 25.8 1979 ****** ****** ****** ****** ****** 37.6 41.5 38.4 ****** ****** ****** ****** ****** 1980 8.0 10.5 19.2 27.6 33.0 38.4 41.2 39.4 33.8 25.1 21.4 13.3 25.9 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** 13.7 24.2 29.2 36.1 39.5 37.1 34.1 28.4 16.2 9.8 ****** 1987 14.2 15.7 17.3 26.7 33.3 38.7 39.2 39.3 34.1 21.2 19.8 13.7 26.1 1988 10.5 12.9 19.6 24.9 33.3 37.8 40.3 38.7 34.8 27.5 20.0 14.1 26.2 1989 7.3 7.5 18.4 27.8 32.3 39.3 41.1 39.8 34.7 29.0 20.0 14.0 25.9 1990 8.0 11.2 18.6 26.0 34.1 39.6 40.2 40.0 37.1 27.4 22.1 12.9 26.4 1991 10.1 10.5 16.7 26.9 30.9 37.1 40.1 39.1 34.6 26.8 19.5 10.6 25.3 1992 7.2 12.0 13.6 23.7 26.0 35.7 40.6 36.4 32.9 27.4 20.0 11.2 23.9 1993 6.5 11.5 16.5 25.4 30.0 37.1 38.7 38.0 35.5 25.0 14.7 12.8 24.3 1994 12.2 12.9 19.9 26.9 30.9 37.1 40.5 40.2 31.9 25.3 18.6 9.3 25.5 1995 14.1 15.7 20.4 25.2 30.5 36.0 41.4 40.9 34.1 26.4 20.9 10.3 26.3 1996 8.0 12.8 14.4 23.4 32.0 37.5 38.7 39.2 36.7 26.7 17.7 15.3 25.2 1997 13.9 14.0 17.0 25.9 31.8 37.9 42.0 41.4 34.7 29.6 18.1 12.4 26.6 1998 9.3 12.8 18.5 27.3 31.4 38.8 40.2 39.7 35.3 27.7 23.0 16.0 26.7 1999 11.1 17.2 18.6 26.7 34.3 39.5 38.7 40.5 35.1 29.4 16.8 13.2 26.8 2000 10.8 14.2 19.6 29.7 35.3 38.5 40.0 39.9 35.7 25.0 16.3 10.9 26.3 MEAN 9.5 12.5 17.9 25.2 31.7 37.7 40.1 38.8 34.3 26.8 18.9 12.1 25.5 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 4 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 9.5 11.5 13.2 12.5 14.8 15.2 15.9 15.6 15.6 15.4 14.2 11.8 13.8 1962 9.9 12.2 ****** 13.9 14.7 15.9 17.2 16.2 17.1 14.7 12.8 10.4 ****** 1963 11.6 11.7 13.9 13.2 13.3 16.3 15.5 16.1 17.5 14.4 12.5 9.0 13.7 1964 9.5 11.8 12.9 13.7 16.4 16.8 17.0 17.9 17.9 16.3 12.9 10.0 14.4 1965 7.0 12.5 12.0 13.4 16.3 16.7 15.9 17.4 16.1 12.4 11.7 11.8 13.6 1966 11.9 11.2 12.4 13.3 14.0 17.0 16.4 17.3 15.6 12.3 14.7 ****** ****** 1967 11.9 10.4 13.6 13.1 14.5 16.1 15.3 17.2 16.0 14.1 10.4 10.6 13.6 1968 9.0 9.6 12.3 13.1 13.8 15.8 16.7 16.0 16.9 13.8 9.7 9.2 13.0 1969 6.5 8.2 9.1 12.3 14.3 16.5 15.0 15.4 16.7 13.6 12.3 10.8 12.6 1970 8.6 12.6 11.7 15.2 15.3 16.7 14.7 16.0 16.1 15.3 12.6 9.7 13.7 1971 11.2 11.5 12.8 12.6 15.7 16.0 16.5 15.7 15.9 13.7 11.4 8.9 13.5 1972 6.4 8.1 9.8 13.4 12.5 16.0 15.2 14.6 16.6 16.0 12.8 7.1 12.4 1973 9.1 10.7 12.2 14.3 17.6 17.6 18.7 16.9 15.4 16.4 14.7 10.2 14.5 1974 8.4 7.9 10.5 12.9 15.2 15.2 13.8 17.3 14.4 14.1 12.5 ****** ****** 1975 8.3 10.0 13.5 15.6 18.3 19.5 21.5 20.8 20.4 18.7 13.7 10.6 15.9 1976 11.6 12.4 12.6 15.3 17.0 18.5 19.9 20.6 17.9 14.3 12.3 12.0 15.4 1977 ****** ****** ****** ****** ****** 20.9 21.5 20.5 17.3 15.0 14.4 11.6 ****** 1978 8.5 9.6 13.0 14.1 16.2 19.4 16.3 15.8 16.4 13.7 13.2 11.5 14.0 1979 ****** ****** ****** ****** ****** 22.1 20.7 20.3 ****** ****** ****** ****** ****** 1980 8.5 10.2 13.4 13.8 16.1 19.3 21.2 20.4 19.0 12.6 12.9 9.7 14.8 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** 11.3 13.0 14.8 16.7 17.6 17.5 20.4 17.2 12.0 10.9 ****** 1987 15.9 14.5 12.4 17.8 17.1 18.0 17.4 18.3 18.1 12.5 15.3 13.4 15.9 1988 11.5 12.1 14.8 14.8 17.6 17.8 17.4 16.6 19.7 18.4 16.7 14.9 16.0 1989 12.0 11.5 13.3 18.1 18.1 19.8 17.6 18.8 20.0 19.1 15.8 12.4 16.4 1990 9.9 11.0 14.6 16.9 19.0 19.7 16.9 18.2 22.5 17.5 18.8 14.6 16.6 1991 11.0 11.8 11.7 16.7 16.7 17.7 17.7 20.2 19.8 16.9 16.7 12.1 15.7 1992 11.3 13.8 12.7 14.4 13.0 16.6 18.5 16.8 21.0 19.2 16.6 11.8 15.5 1993 10.2 11.1 13.4 15.0 15.5 18.3 16.9 17.3 20.0 17.1 12.1 12.7 15.0 1994 12.0 12.4 14.0 16.5 15.3 18.0 17.6 18.6 18.4 15.3 12.4 11.3 15.1 1995 15.3 14.6 15.7 15.1 15.3 16.7 18.2 19.9 19.2 18.5 18.5 13.0 16.7 1996 10.4 10.7 10.0 13.6 16.4 17.3 16.2 19.0 19.6 18.5 15.6 15.4 15.2 1997 15.7 17.1 14.0 16.6 17.0 16.5 17.3 20.8 19.4 17.7 13.7 11.6 16.4 1998 10.9 12.5 13.5 16.7 15.9 17.9 16.1 17.6 19.3 19.0 18.4 15.8 16.1 1999 11.5 15.7 14.5 17.3 19.1 19.0 17.1 19.1 19.5 18.2 12.6 12.8 16.4 2000 12.7 14.9 16.3 17.7 18.4 19.5 17.5 19.0 19.0 15.8 12.0 8.9 16.0 MEAN 10.6 11.7 12.8 14.7 15.9 17.6 17.3 17.9 18.1 15.8 13.8 11.5 14.8 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 5 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 3.41 3.89 3.76 5.25 5.74 7.72 9.18 7.04 5.90 4.09 3.24 3.36 5.21 1962 3.31 3.46 ****** 5.54 6.99 6.28 7.22 7.10 6.51 5.13 3.25 3.89 ****** 1963 4.10 4.03 3.77 8.73 11.87 13.67 8.40 8.58 7.75 5.74 4.22 3.40 7.02 1964 2.44 3.60 4.36 4.29 4.38 6.60 7.85 7.32 5.69 3.84 4.03 2.78 4.76 1965 3.71 3.49 4.78 4.37 5.52 6.90 8.65 8.29 6.89 7.59 5.33 3.50 5.75 1966 3.95 4.18 4.71 5.77 8.17 6.22 6.44 6.20 5.79 6.52 3.39 ****** ****** 1967 3.83 4.02 3.96 5.12 6.77 5.13 8.04 5.22 5.38 4.87 5.07 4.17 5.13 1968 3.97 4.10 4.89 5.93 7.83 8.18 6.86 6.62 4.96 5.41 6.43 4.38 5.80 1969 3.42 3.70 6.38 6.51 7.50 7.33 7.40 5.91 4.85 5.55 4.29 4.07 5.57 1970 3.74 3.66 4.21 4.72 6.55 6.17 7.66 7.05 5.18 4.08 3.98 3.55 5.05 1971 3.08 3.35 4.29 5.86 8.12 7.48 8.19 7.86 5.69 4.00 4.62 3.86 5.53 1972 2.42 3.09 4.05 5.65 7.52 7.49 7.20 6.29 5.66 5.02 3.72 3.52 5.14 1973 3.01 4.07 3.68 3.58 3.26 4.98 5.07 5.14 4.44 4.23 3.09 2.75 3.94 1974 2.09 3.10 5.43 5.12 5.88 5.26 9.04 8.77 5.66 3.74 3.76 2.91 5.06 1975 3.30 3.71 3.75 4.27 4.69 5.23 5.01 4.55 5.18 4.25 3.47 3.05 4.21 1976 3.75 2.96 3.49 4.68 5.91 6.20 6.71 4.88 5.14 5.99 4.23 3.31 4.77 1977 1.26 2.59 3.99 5.38 5.47 5.15 6.89 4.80 5.40 5.14 4.47 3.84 4.53 1978 3.84 4.27 4.37 4.95 4.79 7.14 7.55 6.20 5.06 5.36 4.43 3.93 5.16 1979 4.38 5.09 4.50 5.49 7.05 7.78 8.45 7.60 6.87 5.27 5.19 4.17 5.99 1980 3.69 3.91 5.03 5.95 6.84 7.05 8.28 9.12 7.04 6.82 6.00 3.86 6.13 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** 4.41 6.88 7.80 8.23 7.11 6.47 4.79 5.27 4.51 3.59 ****** 1987 3.01 3.97 4.86 4.99 7.12 5.58 7.61 7.02 5.80 5.22 4.25 3.70 5.26 1988 3.38 3.44 4.07 6.51 5.32 5.53 8.89 7.87 4.82 4.73 3.50 2.91 5.08 1989 2.58 2.65 4.70 4.44 5.08 5.61 6.98 5.63 4.21 3.73 4.31 4.29 4.52 1990 3.44 3.62 3.90 4.84 5.02 4.91 6.88 7.02 4.47 4.70 3.60 2.87 4.60 1991 3.60 3.54 5.11 5.74 5.71 6.72 6.54 6.07 4.98 5.14 3.62 3.51 5.02 1992 2.78 2.97 4.01 5.62 7.83 7.85 8.22 7.10 4.42 3.85 3.85 3.55 5.17 1993 3.06 4.05 4.03 5.55 6.83 6.88 8.04 7.72 5.17 4.02 4.71 3.81 5.32 1994 3.93 3.43 4.75 6.17 7.71 6.96 8.42 6.93 5.18 6.41 5.88 3.26 5.75 1995 3.16 3.70 4.09 6.27 7.38 7.89 8.03 7.03 5.78 3.76 3.02 3.01 5.26 1996 3.28 4.51 5.08 6.40 8.17 6.98 7.86 7.57 5.24 4.40 3.44 3.11 5.50 1997 2.62 2.36 3.28 4.53 5.66 7.22 7.75 5.75 5.00 4.78 4.37 4.31 4.80 1998 3.38 3.42 4.58 6.05 7.40 6.87 7.97 8.49 6.11 4.88 3.73 3.64 5.54 1999 3.64 3.79 4.31 5.44 5.45 5.58 8.09 6.75 5.93 4.87 4.92 4.21 5.25 2000 3.17 3.11 3.28 5.16 5.09 5.83 7.31 7.49 6.44 5.92 5.02 4.88 5.23 MEAN 3.29 3.62 4.35 5.48 6.53 6.76 7.60 6.85 5.53 4.99 4.26 3.62 5.24 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 6 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 4.58 5.88 5.06 6.13 6.64 13.16 11.47 6.57 6.67 4.60 3.99 4.19 6.58 1962 3.67 3.29 ****** 5.98 6.96 6.13 6.16 7.20 7.12 5.44 4.35 4.55 ****** 1963 4.35 4.01 3.51 13.31 17.52 16.36 8.19 9.04 11.98 6.61 4.59 3.96 8.62 1964 3.64 3.87 4.61 4.29 4.45 6.20 7.59 7.50 5.66 4.22 4.53 3.51 5.01 1965 4.46 4.59 5.68 5.57 6.53 7.45 9.47 9.35 7.81 9.20 6.24 3.87 6.68 1966 4.60 4.49 5.03 7.24 10.69 8.41 6.98 8.55 6.79 7.43 4.46 ****** ****** 1967 3.28 4.06 4.07 6.04 6.36 5.21 8.62 6.88 5.39 5.20 6.40 5.43 5.58 1968 4.29 4.99 5.57 6.66 7.20 9.18 7.61 7.73 5.94 6.86 7.67 5.22 6.58 1969 4.13 4.64 7.77 7.36 8.06 8.03 9.07 7.23 6.17 6.92 4.10 4.58 6.50 1970 4.42 3.68 4.70 5.66 6.34 7.34 7.79 8.27 5.92 4.93 4.88 4.08 5.67 1971 3.75 3.89 4.80 5.91 8.84 8.60 7.85 11.13 7.39 5.19 5.75 3.94 6.42 1972 3.34 4.25 4.61 5.77 6.66 6.80 6.86 7.01 6.76 5.49 5.21 4.35 5.59 1973 4.19 3.75 3.45 3.89 4.30 6.99 7.82 6.87 6.25 4.87 3.07 3.23 4.89 1974 3.56 4.32 6.97 5.78 6.28 7.57 6.68 9.98 7.34 4.16 3.80 4.27 5.89 1975 3.86 4.18 3.66 4.66 5.04 7.40 6.57 5.71 5.94 4.32 3.29 3.74 4.86 1976 3.41 3.58 3.86 5.42 6.63 7.00 8.02 5.63 6.71 6.35 4.20 3.14 5.33 1977 1.89 2.26 3.74 5.55 6.38 6.72 7.51 5.55 7.02 6.03 4.83 3.42 5.07 1978 3.56 3.86 4.46 5.70 4.98 7.36 9.28 7.38 6.17 6.87 4.80 3.44 5.66 1979 4.88 6.75 5.13 6.13 7.49 8.57 9.00 8.58 7.68 7.84 6.65 5.35 7.00 1980 4.28 4.51 5.20 6.80 7.61 8.84 10.12 10.76 8.26 7.68 7.01 4.68 7.15 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** 4.57 5.82 6.59 8.56 6.17 6.61 6.47 5.84 4.71 3.88 ****** 1987 3.38 4.14 4.65 5.00 6.02 4.44 6.63 6.18 5.34 5.92 4.34 4.11 5.01 1988 3.51 3.64 3.91 5.41 4.06 4.31 6.79 6.71 4.72 4.90 3.45 3.35 4.56 1989 2.70 2.75 4.71 3.45 4.12 4.57 5.78 5.02 5.47 4.04 4.52 4.54 4.31 1990 3.65 3.84 3.47 3.68 4.13 3.87 5.60 6.09 3.92 4.74 3.61 3.03 4.14 1991 3.81 3.44 5.05 4.32 4.88 5.25 5.51 4.88 5.40 5.40 4.41 4.10 4.70 1992 3.20 2.85 3.87 4.92 6.40 6.16 6.87 6.33 4.44 4.02 4.31 4.02 4.78 1993 3.34 4.37 3.48 4.92 5.40 6.36 8.46 8.72 5.34 3.94 5.00 4.49 5.32 1994 4.13 3.36 4.50 5.54 6.25 6.39 8.69 6.87 5.24 6.33 6.07 3.37 5.56 1995 3.59 4.21 3.73 5.62 5.80 6.52 6.74 8.12 6.85 4.79 3.11 3.51 5.22 1996 3.60 4.67 5.18 5.20 6.37 5.50 6.51 8.23 5.28 4.40 4.22 3.24 5.20 1997 2.93 2.50 3.25 4.00 4.96 5.86 6.60 5.32 4.49 4.94 4.59 4.86 4.52 1998 3.51 3.40 4.20 4.99 5.75 5.34 7.06 7.66 6.07 5.14 4.28 4.25 5.14 1999 3.78 3.64 4.09 4.88 4.35 4.74 7.55 6.56 6.68 6.14 5.11 4.86 5.20 2000 3.17 2.95 3.02 4.39 4.31 5.41 6.89 7.91 6.22 6.40 5.31 5.52 5.12 MEAN 3.72 3.96 4.52 5.60 6.41 7.05 7.56 7.38 6.32 5.64 4.77 4.13 5.58 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 7 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 4.66 5.33 4.89 6.34 6.97 12.79 11.63 6.62 6.69 4.88 4.37 4.23 6.62 1962 4.12 4.09 ****** 6.23 6.92 6.00 6.07 7.14 7.52 6.26 4.97 4.85 ****** 1963 4.72 4.56 3.98 12.68 16.73 17.65 7.56 8.16 11.16 6.68 4.92 3.84 8.55 1964 3.02 4.36 4.80 4.67 4.23 5.54 6.88 6.34 6.11 4.68 5.07 3.66 4.95 1965 4.27 4.55 5.58 5.59 6.63 7.29 9.08 8.96 8.08 9.34 6.65 3.91 6.66 1966 4.51 4.88 5.40 7.52 11.37 8.01 6.87 9.15 7.30 7.50 4.54 ****** ****** 1967 3.21 3.87 3.63 5.48 6.30 4.55 8.07 5.47 4.64 5.41 5.97 4.05 5.06 1968 3.62 4.27 4.40 6.38 6.83 9.47 7.44 6.88 5.47 6.67 7.57 5.00 6.17 1969 3.89 4.20 7.43 6.90 8.28 7.96 8.84 6.84 5.71 6.72 4.46 4.48 6.31 1970 4.52 3.99 4.77 5.41 5.73 7.08 7.52 8.14 5.56 4.69 4.60 4.15 5.51 1971 3.94 3.87 4.72 5.56 8.23 8.10 7.68 8.98 6.36 4.43 5.48 3.94 5.94 1972 3.03 3.87 4.31 5.26 6.65 6.43 7.08 6.39 5.82 4.66 5.29 4.10 5.24 1973 4.02 4.05 3.77 4.08 3.71 5.84 6.14 5.76 5.60 4.67 3.41 3.43 4.54 1974 3.29 3.89 6.42 5.55 5.54 6.58 5.86 9.66 6.77 4.17 3.87 4.10 5.47 1975 3.88 4.23 3.70 4.42 4.50 6.41 6.18 4.91 4.94 4.34 3.58 3.96 4.59 1976 3.70 3.63 3.88 4.99 6.06 6.43 7.44 5.09 5.82 6.15 4.04 3.49 5.06 1977 2.08 2.30 3.58 5.47 5.88 6.01 7.01 4.92 6.34 5.75 4.72 3.52 4.80 1978 3.84 3.88 4.16 5.35 4.65 6.93 8.74 6.50 5.67 6.74 4.30 3.52 5.36 1979 4.60 5.90 4.92 5.21 7.02 7.60 8.09 8.82 7.98 6.25 5.01 4.46 6.32 1980 4.15 4.36 5.12 5.65 6.55 7.98 9.30 9.52 7.23 6.03 5.87 4.63 6.37 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** 4.75 6.50 7.08 8.27 5.45 6.01 6.35 5.53 5.08 4.34 ****** 1987 3.58 4.30 4.89 5.15 5.84 3.96 5.99 5.10 5.21 5.86 4.49 4.24 4.89 1988 3.60 3.88 3.70 5.93 3.93 4.06 6.02 5.79 4.95 5.00 3.54 3.44 4.49 1989 2.77 3.22 4.88 3.58 4.30 4.36 4.88 4.37 3.94 4.08 4.42 4.77 4.13 1990 3.91 4.07 3.71 4.04 3.77 3.38 5.34 5.62 4.04 5.17 3.85 3.29 4.18 1991 4.10 3.49 5.36 4.42 4.91 5.07 5.51 4.70 5.24 5.38 4.31 4.21 4.73 1992 3.27 3.19 4.27 5.28 6.28 5.92 4.77 5.64 4.01 3.95 4.32 3.98 4.57 1993 3.63 4.77 3.82 4.91 5.69 6.07 7.84 8.94 5.06 4.83 5.29 4.63 5.46 1994 4.47 3.69 4.75 6.12 6.23 5.92 8.48 6.85 5.54 6.95 6.29 3.56 5.74 1995 3.59 4.07 3.98 6.25 5.88 6.08 6.47 8.06 6.92 4.23 3.19 3.74 5.21 1996 3.93 4.95 5.68 6.19 6.81 5.00 6.29 8.02 5.24 4.69 4.25 3.40 5.37 1997 2.94 2.34 3.35 3.82 4.67 5.48 5.80 4.44 4.34 4.75 4.87 5.07 4.32 1998 3.74 3.47 4.30 5.31 5.59 5.25 6.87 6.96 5.91 5.30 4.54 4.36 5.13 1999 4.05 3.96 4.02 5.03 4.11 4.20 7.05 5.85 6.67 6.22 5.83 5.20 5.18 2000 3.53 3.16 3.24 4.48 4.06 5.34 6.84 8.18 6.27 6.54 5.50 5.69 5.24 MEAN 3.77 4.02 4.54 5.60 6.23 6.66 7.06 6.83 6.02 5.56 4.82 4.16 5.43 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 8 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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 -6.0 9 -5.5 3 -1.5 5 2.0 17 12.0 1 14.0 10 20.0 2 18.0 29 14.0 27 4.5 27 -4.0 26 0.0 17 -6.0 1962 -3.0 14 0.0 12 ***** ** 6.0 19 11.0 2 12.0 11 20.0 15 17.0 12 10.0 28 6.0 12 -3.0 29 -2.0 1 ***** 1963 -1.0 6 -0.1 9 -1.3 8 9.0 16 9.0 3 19.0 13 21.0 1 20.0 29 15.0 11 9.0 30 -0.3 30 -11.0 29 -11.0 1964 -12.0 3 -4.0 1 2.0 1 6.0 11 9.0 2 20.0 2 23.0 1 19.0 27 12.5 27 4.0 30 -4.0 30 -6.0 14 -12.0 1965 -5.0 23 -3.0 3 0.0 18 4.0 6 10.0 4 19.0 7 22.0 18 20.0 11 12.0 30 6.7 28 4.0 11 -3.0 23 -5.0 1966 1.0 18 2.0 9 1.5 24 6.0 5 12.0 7 18.0 1 19.0 8 21.0 16 15.0 5 10.0 18 -2.0 30 ***** ** ***** 1967 -3.5 28 -6.5 4 -1.5 1 -0.5 2 12.0 1 11.0 6 22.0 15 18.5 28 14.0 26 7.0 24 1.0 30 -2.5 2 -6.5 1968 -4.0 20 -6.5 6 -4.0 23 5.5 5 11.0 1 16.0 2 18.0 15 17.0 30 14.0 19 7.5 29 4.0 23 -1.0 24 -6.5 1969 -9.5 8 -7.5 5 1.0 24 4.0 15 11.0 2 16.0 1 20.0 8 17.0 30 10.0 15 7.5 31 -3.5 19 0.0 16 -9.5 1970 -2.5 29 -1.5 20 2.0 7 6.0 23 13.0 8 15.0 11 20.0 18 20.0 26 13.0 21 6.0 24 4.5 30 -3.5 28 -3.5 1971 -6.0 27 -5.5 15 2.5 2 6.0 3 10.0 7 18.0 7 20.0 13 20.0 1 13.0 19 6.0 24 5.0 13 -3.0 31 -6.0 1972 -8.5 24 -12.0 2 -1.5 20 5.0 2 10.0 3 15.0 24 15.0 7 16.0 27 13.0 12 6.0 31 3.0 12 -6.5 25 -12.0 1973 -9.0 1 1.0 6 -5.0 10 3.0 20 8.0 6 10.0 8 17.0 18 18.0 10 13.0 27 7.0 28 -2.0 8 -8.0 13 -9.0 1974 -10.0 26 -7.5 6 -0.5 6 4.0 1 10.0 3 19.0 12 18.0 8 10.0 24 15.0 25 7.0 14 3.0 27 ***** ** ***** 1975 -3.0 22 -4.0 13 2.0 4 4.0 4 6.0 8 14.0 3 18.0 11 13.0 28 10.0 29 3.0 31 -3.0 7 -6.5 8 -6.5 1976 -6.0 2 -9.0 16 -10.0 12 1.5 6 7.0 8 2.0 16 2.1 10 14.0 18 12.0 16 8.0 19 1.5 20 -4.0 31 -10.0 1977 -12.0 10 -9.0 1 1.5 8 6.0 2 10.0 20 12.0 3 17.0 7 14.0 18 12.0 16 5.0 29 4.0 24 -3.0 15 -12.0 1978 -4.0 15 1.0 7 0.0 16 5.0 2 9.0 4 12.0 2 18.0 3 17.0 30 10.0 15 9.5 20 3.0 26 2.0 6 -4.0 1979 ***** ** 2.0 11 1.0 5 3.0 27 5.0 15 10.0 4 17.0 7 13.0 28 9.0 26 8.0 26 4.0 24 ***** ** ***** 1980 -9.0 25 -7.0 3 -3.0 3 7.0 17 12.0 17 16.0 17 17.0 3 17.0 23 8.0 24 10.0 17 4.0 9 -5.0 15 -9.0 1981 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1982 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1983 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1984 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1985 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1986 ***** ** ***** ** -4.0 17 3.6 1 10.2 5 16.3 10 18.0 14 14.5 13 11.0 13 6.0 18 -2.0 14 -6.5 17 ***** 1987 -5.5 13 -5.2 12 -1.7 23 1.0 6 9.0 8 17.0 1 15.0 29 16.5 24 11.2 25 1.2 13 -2.4 30 -6.1 3 -6.1 1988 -7.0 4 -7.0 7 0.0 6 0.4 4 10.0 6 16.0 1 18.0 28 17.0 27 10.0 28 6.0 23 -5.0 16 -8.6 31 -8.6 1989 -11.0 31 -11.0 1 -1.0 31 3.0 1 6.0 2 15.6 2 17.2 31 14.0 31 7.5 24 5.0 24 -1.6 23 -2.6 8 -11.0 1990 -6.0 14 -4.0 1 -5.0 21 4.0 3 11.0 15 13.0 1 18.2 20 18.0 8 11.0 30 3.0 20 -2.8 15 -10.0 27 -10.0 1991 -6.0 29 -9.0 14 -0.5 11 3.4 14 8.0 7 15.0 2 19.6 30 13.5 26 7.5 28 5.0 31 -4.0 26 -8.0 20 -9.0 1992 -12.0 29 -8.6 17 -11.0 11 4.0 1 5.4 5 15.0 5 16.5 27 15.0 21 8.0 27 3.0 30 -7.0 28 -10.5 29 -12.0 1993 -12.6 11 -5.5 17 -3.0 23 5.6 30 9.0 1 14.2 7 19.0 3 16.0 31 11.0 18 0.6 10 -5.0 15 -4.4 7 -12.6 1994 -6.0 11 -6.5 19 0.5 18 2.0 6 8.0 7 8.0 6 19.2 2 16.4 21 6.5 22 3.0 13 1.0 14 -8.0 8 -8.0 1995 -4.6 22 -2.6 26 -2.4 7 3.0 8 10.0 9 13.6 1 19.0 1 15.4 11 9.5 22 1.4 20 -6.2 30 -7.4 1 -7.4 1996 -7.8 15 -2.0 14 -1.6 1 5.0 4 11.0 1 16.0 18 18.0 18 15.8 5 13.0 28 3.0 20 -5.0 19 -6.0 3 -7.8 1997 -8.8 29 -11.2 8 -6.0 9 0.4 12 9.0 7 16.0 4 21.0 14 15.0 29 10.0 16 7.0 30 -1.0 29 -5.4 29 -11.2 1998 -5.4 11 -7.0 18 -3.0 3 3.0 7 9.0 6 17.0 3 19.0 27 18.0 31 12.0 17 4.0 26 0.0 26 -4.0 6 -7.0 1999 -10.0 4 -2.0 1 0.0 7 2.0 11 8.0 22 18.0 7 17.0 16 17.5 28 8.0 29 7.0 22 -3.5 30 -5.0 1 -10.0 2000 -8.0 15 -5.0 4 -4.5 16 6.0 2 12.0 12 14.0 14 16.0 28 17.0 20 12.0 27 4.0 30 -1.0 27 -3.0 31 -8.0 LOW. -12.6 11 -12.0 2 -11.0 11 -0.5 2 5.0 15 2.0 16 2.1 10 10.0 24 6.5 22 0.6 10 -7.0 28 -11.0 29 -12.6 YEAR 1993 1972 1992 1967 1979 1976 1976 1974 1994 1993 1992 1963 1993 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 9 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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 15.0 1 19.0 12 26.0 24 33.0 28 37.0 25 40.0 20 42.0 8 40.0 7 40.0 1 32.0 1 25.0 5 19.0 5 42.0 1962 15.0 1 20.0 5 ***** ** 29.0 9 36.0 18 39.0 15 43.0 3 41.0 3 39.0 3 32.0 21 26.0 1 20.0 21 ***** 1963 19.0 29 24.0 20 27.0 25 31.0 9 34.0 24 41.0 3 44.0 18 42.0 13 39.0 3 33.0 2 25.0 1 20.0 23 44.0 1964 10.0 27 19.0 22 28.0 27 32.0 29 37.0 9 42.0 15 45.0 11 44.0 10 39.0 1 34.0 3 25.0 8 13.0 6 45.0 1965 10.0 11 20.0 28 27.0 11 32.0 25 38.0 17 40.0 4 44.0 14 42.0 4 38.0 1 33.0 16 25.0 4 21.0 1 44.0 1966 20.0 9 23.0 25 25.0 10 32.0 16 38.0 24 42.0 10 44.0 24 43.0 3 41.0 9 31.0 1 25.0 1 ***** ** ***** 1967 20.0 14 18.0 11 25.0 17 30.5 24 37.0 25 40.0 17 45.0 7 42.0 11 40.0 5 30.0 1 27.5 1 20.0 14 45.0 1968 18.0 5 22.0 29 28.0 14 33.0 18 36.0 21 41.0 29 43.0 5 44.0 17 39.5 5 34.0 4 21.5 15 18.0 3 44.0 1969 13.5 17 22.0 27 25.0 29 31.0 2 38.0 26 42.5 29 43.0 15 42.0 4 39.5 9 36.0 10 23.5 1 20.0 5 43.0 1970 14.0 24 21.5 19 30.0 30 36.0 3 40.0 23 43.5 24 45.0 31 42.5 5 37.0 1 36.0 1 29.0 2 19.0 6 45.0 1971 18.0 5 20.0 22 27.0 27 31.0 27 38.0 28 42.0 24 45.0 6 42.0 6 39.5 8 29.0 1 29.0 2 20.0 1 45.0 1972 9.0 3 13.0 15 22.0 31 32.0 30 33.5 28 41.0 21 42.0 10 42.0 17 38.5 2 33.0 1 24.0 7 12.0 2 42.0 1973 12.0 29 23.0 19 24.0 2 33.0 30 36.0 27 44.0 23 45.0 5 45.0 1 40.0 1 33.0 5 27.0 2 16.0 6 45.0 1974 9.0 3 12.0 15 27.0 28 33.0 23 39.0 23 43.0 21 43.0 1 39.0 4 38.0 20 30.0 30 29.0 1 16.5 1 43.0 1975 14.0 10 18.0 22 28.0 27 34.0 14 38.0 31 43.0 28 45.0 4 43.0 13 40.0 7 32.0 9 21.0 1 15.0 20 45.0 1976 15.0 5 16.0 9 21.0 31 30.0 14 35.0 29 42.0 30 44.0 31 43.0 13 38.0 1 30.0 1 25.0 6 21.0 5 44.0 1977 ***** ** ***** ** ***** ** ***** ** ***** ** 43.0 14 44.0 30 43.0 13 37.0 25 35.0 4 24.0 9 20.0 24 ***** 1978 18.0 1 23.0 19 28.0 29 32.0 11 39.0 12 41.0 10 46.0 19 42.0 4 39.0 9 35.0 7 28.0 1 20.0 29 46.0 1979 ***** ** ***** ** ***** ** ***** ** ***** ** 43.0 30 44.0 10 41.0 1 ***** ** ***** ** ***** ** ***** ** ***** 1980 16.0 2 15.0 8 27.0 31 34.0 8 38.0 20 43.0 5 43.0 6 43.0 5 37.0 6 30.0 1 25.0 1 20.0 23 43.0 1981 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1982 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1983 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1984 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1985 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1986 ***** ** ***** ** 22.0 1 28.0 16 35.0 25 42.0 30 41.6 30 40.6 16 37.5 25 33.4 3 28.4 1 16.8 24 ***** 1987 23.4 31 23.2 25 24.0 9 34.0 15 37.0 16 42.0 29 44.2 20 42.2 4 41.0 6 34.2 1 26.0 7 20.5 11 44.2 1988 16.0 31 20.0 29 26.0 20 33.0 18 39.0 28 42.2 14 44.0 13 43.0 12 40.0 11 32.0 6 27.0 2 22.0 11 44.0 1989 12.0 1 19.0 28 24.4 25 33.6 15 40.0 26 44.2 30 45.6 13 42.4 5 41.0 2 35.2 8 25.0 28 20.0 1 45.6 1990 14.0 5 19.0 28 24.0 8 34.6 27 40.8 25 43.0 29 44.2 28 44.0 6 40.0 6 33.0 1 28.0 7 22.0 1 44.2 1991 15.0 31 18.0 18 24.0 29 34.5 22 36.0 17 41.0 28 43.5 7 44.5 6 40.4 9 30.4 27 27.2 2 16.0 1 44.5 1992 13.0 19 20.0 21 23.0 29 31.0 22 34.4 30 41.2 30 44.0 5 41.0 1 38.0 25 32.0 4 26.0 2 17.0 1 44.0 1993 17.0 29 20.0 28 26.0 30 33.6 19 36.0 17 41.6 29 43.0 3 42.0 14 40.0 2 35.0 1 22.0 11 20.0 28 43.0 1994 17.6 30 20.0 27 27.5 30 35.5 22 36.5 29 41.0 16 44.5 17 44.0 1 36.0 2 30.0 14 24.5 2 16.0 1 44.5 1995 20.2 31 21.0 5 26.6 24 30.0 30 35.4 21 41.0 29 45.4 16 44.5 6 38.0 9 36.6 4 27.5 3 17.0 2 45.4 1996 15.4 8 19.8 20 27.0 31 31.0 22 38.0 31 42.0 4 42.0 3 42.0 10 40.0 10 32.0 14 23.5 3 21.6 27 42.0 1997 21.6 6 21.0 22 24.0 22 34.0 26 39.0 28 41.0 17 45.0 18 45.5 14 41.0 1 35.0 4 25.0 5 17.0 5 45.5 1998 13.0 27 21.0 8 26.0 28 36.0 16 37.0 11 43.5 28 45.0 11 43.5 20 40.0 2 36.0 1 28.2 9 21.0 19 45.0 1999 17.0 31 22.5 28 26.0 26 32.0 30 41.5 31 42.0 1 44.0 4 42.2 1 39.2 3 35.0 6 23.5 19 20.5 29 44.0 2000 18.0 2 20.0 24 25.0 30 34.5 20 40.0 26 44.0 23 44.0 11 43.5 3 40.6 9 31.5 12 24.2 4 14.6 22 44.0 HIG. 23.4 31 24.0 20 30.0 30 36.0 3 41.5 31 44.2 30 46.0 19 45.5 14 41.0 9 36.6 4 29.0 2 22.0 11 46.0 YEAR 1987 1963 1970 1970 1999 1989 1978 1997 1966 1995 1970 1988 1978 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 10 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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 12.0 13 3.0 3 14.0 13 6.0 16 2.0 17 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.2 23 0.6 13 14.0 1962 4.0 23 10.0 17 ***** ** 27.0 20 2.0 6 7.0 4 0.0 ** 0.0 ** 0.0 ** 2.0 22 5.0 9 8.0 12 ***** 1963 3.0 4 2.0 1 2.0 20 16.0 25 5.0 2 0.0 ** 0.0 ** 0.0 ** 0.0 ** 17.0 6 3.0 4 14.0 26 17.0 1964 2.0 19 8.0 3 4.0 1 3.2 9 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.3 25 12.0 13 12.0 1965 12.0 20 4.0 14 12.0 2 1.0 20 0.5 2 0.0 ** 0.0 ** 0.0 ** 2.0 29 10.0 30 3.0 9 0.2 28 12.0 1966 7.5 31 13.0 2 4.4 1 5.0 22 4.3 6 0.0 ** 2.0 10 0.2 8 0.0 ** 6.0 14 0.0 ** ***** ** ***** 1967 0.5 30 9.5 12 3.5 8 8.0 5 3.0 15 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 8.0 20 0.0 ** 9.5 1968 5.0 25 7.0 23 5.0 30 9.0 2 9.0 29 1.0 5 0.0 ** 0.0 ** 0.0 ** 5.0 31 13.0 1 6.0 8 13.0 1969 33.0 23 5.0 21 10.0 15 20.0 11 7.5 6 0.0 ** 0.0 ** 0.0 ** 2.0 12 1.5 26 3.0 3 7.0 27 33.0 1970 5.5 22 3.0 6 17.0 13 6.0 23 2.0 1 0.0 ** 2.0 18 0.0 ** 0.0 ** 0.5 14 3.5 28 2.5 12 17.0 1971 1.0 14 5.0 1 4.0 29 28.0 2 8.0 17 0.0 ** 4.0 31 4.0 2 0.0 ** 0.5 26 12.5 19 4.0 20 28.0 1972 25.0 29 10.0 20 17.0 22 6.0 2 9.0 10 4.0 10 0.0 ** 2.0 4 0.0 ** 0.0 ** 11.0 30 15.0 6 25.0 1973 6.0 16 13.0 22 10.0 16 12.0 17 6.0 11 0.0 ** 3.0 25 0.0 ** 0.0 ** 0.0 ** 2.0 23 2.0 9 13.0 1974 10.0 31 35.0 26 47.0 31 10.0 10 2.0 16 0.0 ** 10.0 8 0.0 ** 0.0 ** 0.0 ** 3.0 21 23.0 5 47.0 1975 15.0 27 8.0 21 12.0 2 15.0 20 0.0 ** 5.0 2 0.0 ** 0.0 ** 0.0 ** 0.0 ** 6.0 28 20.0 2 20.0 1976 15.0 24 25.0 5 20.0 21 20.0 20 35.0 21 6.0 7 0.0 ** 0.0 ** 0.0 ** 20.0 31 5.0 13 15.0 11 35.0 1977 8.0 5 7.0 7 4.0 20 28.0 1 15.0 24 2.0 10 0.0 ** 0.0 ** 0.0 ** 8.5 20 10.0 13 10.0 14 28.0 1978 2.0 4 2.0 11 3.0 6 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 3.0 1979 0.0 ** 0.0 ** 4.0 27 1.0 13 2.0 10 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 5.0 27 5.0 1980 12.0 23 14.0 25 7.0 19 2.0 3 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.2 30 0.0 ** 6.0 18 14.0 1981 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1982 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1983 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1984 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1985 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1986 ***** ** ***** ** 40.0 8 8.0 11 22.0 4 0.0 ** 0.1 22 0.0 ** 0.0 ** 0.0 ** 15.0 29 24.0 20 ***** 1987 0.7 6 5.7 27 10.1 4 3.1 11 2.0 5 0.0 ** 3.0 28 0.1 5 3.8 21 8.6 26 2.0 29 6.0 24 10.1 1988 4.4 18 4.0 24 5.0 4 9.6 13 0.1 2 0.0 ** 4.0 11 0.0 ** 0.0 ** 2.8 16 1.0 14 6.1 17 9.6 1989 8.1 29 9.3 22 6.0 16 0.3 29 5.4 7 8.0 7 0.0 ** 0.0 ** 0.0 ** 0.0 ** 4.0 12 18.6 4 18.6 1990 9.4 8 10.0 10 0.6 27 4.0 2 0.2 12 0.0 ** 0.6 7 0.0 ** 0.0 ** 6.0 27 0.0 ** 13.0 25 13.0 1991 7.0 3 11.0 22 18.0 25 13.6 4 3.0 17 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.2 16 0.8 16 5.0 25 18.0 1992 6.0 3 18.0 25 26.0 9 15.2 27 15.3 6 4.0 4 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.0 8 5.0 30 26.0 1993 17.8 8 17.0 2 9.6 8 3.8 26 6.0 13 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.0 28 8.0 27 2.0 1 17.8 1994 4.2 16 21.0 1 14.0 12 14.0 30 20.0 6 0.0 ** 0.0 ** 0.0 ** 0.0 ** 9.0 18 14.0 25 4.0 1 21.0 1995 3.4 18 14.2 23 9.0 17 8.0 24 5.0 27 0.2 2 0.0 ** 0.0 ** 2.0 20 0.0 ** 0.0 ** 4.0 12 14.2 1996 7.6 6 17.2 5 20.0 2 23.5 3 2.0 12 2.0 26 0.4 10 0.0 ** 0.0 ** 3.0 16 3.0 16 1.0 22 23.5 1997 3.2 28 2.0 19 7.0 29 4.0 5 2.0 21 4.0 15 0.0 ** 0.0 ** 0.0 ** 1.0 12 4.0 3 10.0 14 10.0 1998 10.0 5 7.0 12 18.0 1 7.0 5 2.0 4 0.0 ** 0.4 30 5.0 2 0.4 14 5.0 11 0.4 16 6.0 3 18.0 1999 24.0 21 8.0 6 10.0 2 5.2 27 0.0 ** 0.0 ** 2.0 14 0.0 ** 0.0 ** 1.0 31 35.0 8 12.0 10 35.0 2000 25.0 28 6.0 14 2.1 23 10.4 21 0.2 7 0.0 ** 0.0 ** 0.0 ** 3.0 30 7.7 17 11.0 6 28.0 1 28.0 HIG. 33.0 23 35.0 26 47.0 31 28.0 2 35.0 21 8.0 7 10.0 8 5.0 2 3.8 21 20.0 31 35.0 8 28.0 1 47.0 YEAR 1969 1974 1974 1971 1976 1989 1974 1998 1987 1976 1999 2000 1974 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 11 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MONTHLY TOTAL PRECIPITATION WITH SEASONAL PERCENT. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL SEASONAL-PERCENT ----------------------- 1961 28.7 7.0 19.4 27.3 2.0 0.0 0.0 0.0 0.0 0.0 0.2 1.0 85.6 64.4 34.2 0.0 1.4 1962 8.8 17.5 ****** 89.0 2.5 10.0 0.0 0.0 0.0 3.3 8.3 20.8 ****** 16.4 63.4 0.0 20.2 1963 6.0 7.5 3.4 30.0 21.2 0.0 0.0 0.0 0.0 31.3 3.2 26.1 128.7 13.1 39.8 0.0 47.1 1964 2.2 15.6 14.0 8.2 0.0 0.0 0.0 0.0 0.0 0.0 4.4 17.3 61.7 51.5 13.3 0.0 35.2 1965 47.9 4.0 30.6 1.8 0.5 0.0 0.0 0.0 5.6 26.5 5.0 0.2 122.1 67.6 1.9 4.6 26.0 1966 8.4 13.0 13.1 6.0 8.4 0.0 2.0 0.2 0.0 13.0 0.0 ****** ****** 53.8 22.5 3.4 20.3 1967 0.5 29.5 4.0 15.0 5.0 0.0 0.0 0.0 0.0 0.0 20.5 0.0 74.5 45.6 26.8 0.0 27.5 1968 11.0 15.6 8.0 18.0 18.0 2.0 0.0 0.0 0.0 11.0 29.5 13.5 126.6 27.3 30.0 0.0 42.7 1969 120.0 7.0 42.0 55.5 19.5 0.0 0.0 0.0 2.0 2.5 4.0 12.5 265.0 63.8 28.3 0.8 7.2 1970 20.5 6.5 25.0 9.0 2.0 0.0 2.0 0.0 0.0 0.5 3.5 7.2 76.2 68.2 14.4 2.6 14.7 1971 1.0 10.5 11.0 75.5 14.5 0.0 4.0 4.0 0.0 0.5 41.5 8.0 170.5 13.2 52.8 4.7 29.3 1972 45.0 23.0 104.0 21.0 38.0 4.0 0.0 2.0 0.0 0.0 14.0 37.0 288.0 59.7 21.9 0.7 17.7 1973 23.0 23.0 22.0 22.0 6.0 0.0 3.0 0.0 0.0 0.0 2.0 8.0 109.0 62.4 25.7 2.8 9.2 1974 56.0 113.5 50.0 12.0 2.0 0.0 25.0 0.0 0.0 0.0 3.0 33.0 294.5 74.5 4.8 8.5 12.2 1975 39.0 21.0 26.0 37.0 0.0 5.0 0.0 0.0 0.0 0.0 15.0 76.0 219.0 39.3 19.2 0.0 41.6 1976 45.0 69.0 74.0 73.0 61.0 10.0 0.0 0.0 0.0 46.0 7.0 35.0 420.0 44.8 34.3 0.0 21.0 1977 58.0 9.0 6.0 66.0 51.0 2.0 0.0 0.0 0.0 32.5 11.0 27.0 262.5 27.8 45.3 0.0 26.9 1978 2.0 2.0 6.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10.0 100.0 0.0 0.0 0.0 1979 0.0 0.0 6.0 1.0 4.0 0.0 0.0 0.0 0.0 0.0 0.0 10.0 21.0 28.6 23.8 0.0 47.6 1980 34.0 26.0 7.0 2.0 0.0 0.0 0.0 0.0 0.0 0.2 0.0 6.0 75.2 89.1 2.7 0.0 8.2 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1986 ****** ****** 73.6 19.3 43.3 0.0 0.1 0.0 0.0 0.0 40.5 28.3 ****** 35.9 30.5 0.0 33.5 1987 0.7 13.2 33.5 3.4 5.6 0.0 5.0 0.1 3.8 32.0 2.9 15.0 115.2 41.1 7.8 7.7 43.3 1988 9.2 14.3 9.6 26.7 0.2 0.0 6.0 0.0 0.0 2.8 2.0 8.6 79.4 41.7 33.9 7.6 16.9 1989 30.4 32.4 16.3 0.4 5.6 8.0 0.0 0.0 0.0 0.0 7.2 38.5 138.8 57.0 10.1 0.0 32.9 1990 25.3 27.5 1.0 6.4 0.4 0.0 0.8 0.0 0.0 13.0 0.0 16.0 90.4 59.5 7.5 0.9 32.1 1991 19.4 30.1 40.0 16.6 3.8 0.0 0.0 0.0 0.0 3.5 0.8 15.3 129.5 69.1 15.8 0.0 15.1 1992 11.4 21.2 61.6 30.2 45.8 4.4 0.0 0.0 0.0 0.0 2.0 8.5 185.1 50.9 43.4 0.0 5.7 1993 45.0 64.8 26.3 11.0 12.4 0.0 0.0 0.0 0.0 2.8 25.0 6.2 193.5 70.3 12.1 0.0 17.6 1994 9.6 38.2 25.6 18.6 31.0 0.0 0.0 0.0 0.0 31.6 42.6 4.8 202.0 36.3 24.6 0.0 39.1 1995 5.2 23.8 10.8 20.0 12.6 0.2 0.0 0.0 2.0 0.0 0.0 10.5 85.1 46.8 38.5 2.4 12.3 1996 30.8 57.3 64.4 38.1 6.2 2.0 0.4 0.0 0.0 3.0 3.0 1.0 206.2 74.0 22.5 0.2 3.4 1997 3.6 2.0 14.2 12.2 4.7 5.1 0.0 0.0 0.0 2.3 12.0 20.0 76.1 26.0 28.9 0.0 45.1 1998 21.6 19.0 52.4 19.2 4.7 0.0 0.6 8.4 0.4 9.4 0.4 6.0 142.1 65.4 16.8 6.6 11.1 1999 41.6 14.7 19.7 8.2 0.0 0.0 2.5 0.0 0.0 1.9 60.5 14.5 163.6 46.5 5.0 1.5 47.0 2000 31.8 7.1 2.2 10.8 0.2 0.0 0.0 0.0 3.0 19.0 18.3 82.7 175.1 23.5 6.3 1.7 68.5 MEAN 24.8 23.1 27.1 23.2 12.3 1.5 1.5 0.4 0.5 8.2 11.1 18.1 151.8 49.5 24.4 1.5 24.7 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 12 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 5 3 4 11 1 0 0 0 0 0 1 3 28 1962 5 5 *** 9 2 2 0 0 0 3 3 7 *** 1963 2 6 4 7 8 0 0 0 0 3 2 7 39 1964 2 6 9 8 0 0 0 0 0 0 3 3 31 1965 11 1 8 4 1 0 0 0 4 9 2 1 41 1966 3 1 7 2 4 0 1 1 0 7 0 *** *** 1967 1 6 2 5 4 0 0 0 0 0 5 0 23 1968 5 6 2 3 7 2 0 0 0 4 7 6 42 1969 12 4 11 8 5 0 0 0 1 3 2 4 50 1970 7 3 3 2 1 0 1 0 0 1 1 4 23 1971 1 4 4 8 4 0 1 1 0 1 8 2 34 1972 7 4 11 6 11 1 0 1 0 0 2 6 49 1973 5 3 3 3 1 0 1 0 0 0 1 4 21 1974 12 9 2 2 1 0 4 0 0 0 1 3 34 1975 7 4 4 6 0 1 0 0 0 0 3 10 35 1976 7 7 7 8 6 2 0 0 0 4 2 4 47 1977 12 2 2 4 8 1 0 0 0 8 2 5 44 1978 1 1 3 0 0 0 0 0 0 0 0 0 5 1979 0 0 2 1 2 0 0 0 0 0 0 3 8 1980 5 4 1 1 0 0 0 0 0 1 0 1 13 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** 12 6 6 0 1 0 0 0 6 3 *** 1987 1 10 12 3 4 0 2 1 1 13 3 6 56 1988 8 9 5 9 2 0 2 0 0 1 3 4 43 1989 9 8 8 2 2 1 0 0 0 0 4 6 40 1990 13 8 3 4 2 0 2 0 0 3 0 2 37 1991 5 7 10 2 2 0 0 0 0 3 1 6 36 1992 7 4 9 7 12 2 0 0 0 0 1 4 46 1993 6 10 6 7 5 0 0 0 0 2 8 4 48 1994 6 3 5 9 3 0 0 0 0 9 10 3 48 1995 4 4 2 7 6 1 0 0 1 0 0 4 29 1996 9 12 14 8 5 1 1 0 0 1 1 1 53 1997 2 1 6 5 4 4 0 0 0 3 4 6 35 1998 8 8 9 6 6 0 2 3 1 2 1 1 47 1999 6 4 4 5 0 0 2 0 0 4 4 5 34 2000 5 3 2 3 1 0 0 0 1 4 5 9 33 MEAN 6 5 6 5 4 1 1 0 0 3 3 4 38 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 13 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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 4 3 3 10 1 0 0 0 0 0 0 0 21 1962 3 2 *** 9 1 2 0 0 0 2 3 5 *** 1963 2 5 2 4 7 0 0 0 0 2 1 5 28 1964 1 4 6 3 0 0 0 0 0 0 2 2 18 1965 10 1 5 1 0 0 0 0 3 5 2 0 27 1966 1 1 5 2 3 0 1 0 0 4 0 *** *** 1967 0 4 1 5 2 0 0 0 0 0 5 0 17 1968 3 4 2 3 6 2 0 0 0 4 6 6 36 1969 12 2 9 8 5 0 0 0 1 1 2 3 43 1970 6 3 3 2 1 0 1 0 0 0 1 4 21 1971 1 4 4 8 4 0 1 1 0 0 8 2 33 1972 7 4 11 6 11 1 0 1 0 0 2 6 49 1973 5 3 3 3 1 0 1 0 0 0 1 4 21 1974 12 9 2 2 1 0 4 0 0 0 1 3 34 1975 7 4 4 6 0 1 0 0 0 0 3 10 35 1976 7 7 7 8 6 2 0 0 0 4 2 4 47 1977 12 2 2 4 8 1 0 0 0 8 2 5 44 1978 1 1 3 0 0 0 0 0 0 0 0 0 5 1979 0 0 2 1 2 0 0 0 0 0 0 3 8 1980 5 4 1 1 0 0 0 0 0 0 0 1 12 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** 7 5 4 0 0 0 0 0 5 2 *** 1987 0 4 6 1 3 0 2 0 1 8 1 4 30 1988 2 4 3 6 0 0 2 0 0 1 1 3 22 1989 6 6 5 0 1 1 0 0 0 0 4 4 27 1990 6 6 0 2 0 0 0 0 0 3 0 2 19 1991 5 5 5 2 1 0 0 0 0 1 0 4 23 1992 4 2 7 4 9 1 0 0 0 0 1 2 30 1993 5 9 4 4 3 0 0 0 0 1 6 3 35 1994 3 2 4 3 3 0 0 0 0 8 8 1 32 1995 1 3 2 6 4 0 0 0 1 0 0 3 20 1996 6 10 12 6 3 1 0 0 0 1 1 1 41 1997 1 1 6 4 3 1 0 0 0 2 4 5 27 1998 6 7 8 5 3 0 0 3 0 2 0 1 35 1999 6 3 4 2 0 0 1 0 0 1 4 2 23 2000 3 1 1 1 0 0 0 0 1 4 4 7 22 MEAN 5 4 4 4 3 0 0 0 0 2 2 3 27 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 14 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. NO. OF DAYS PRECIPITATION EQUAL OR MORE THAN 10 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 2 0 1 0 0 0 0 0 0 0 0 0 3 1962 0 1 *** 4 0 0 0 0 0 0 0 0 *** 1963 0 0 0 2 0 0 0 0 0 2 0 1 5 1964 0 0 0 0 0 0 0 0 0 0 0 1 1 1965 1 0 1 0 0 0 0 0 0 1 0 0 3 1966 0 1 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 1 0 1 1969 4 0 1 2 0 0 0 0 0 0 0 0 7 1970 0 0 1 0 0 0 0 0 0 0 0 0 1 1971 0 0 0 3 0 0 0 0 0 0 1 0 4 1972 1 1 6 0 0 0 0 0 0 0 1 1 10 1973 0 1 1 1 0 0 0 0 0 0 0 0 3 1974 1 5 1 1 0 0 1 0 0 0 0 1 10 1975 1 0 1 1 0 0 0 0 0 0 0 2 5 1976 2 4 3 3 1 0 0 0 0 2 0 2 17 1977 0 0 0 3 1 0 0 0 0 0 1 1 6 1978 0 0 0 0 0 0 0 0 0 0 0 0 0 1979 0 0 0 0 0 0 0 0 0 0 0 0 0 1980 2 1 0 0 0 0 0 0 0 0 0 0 3 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** 2 0 2 0 0 0 0 0 2 1 *** 1987 0 0 1 0 0 0 0 0 0 0 0 0 1 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 1 1 1990 0 1 0 0 0 0 0 0 0 0 0 1 2 1991 0 1 1 1 0 0 0 0 0 0 0 0 3 1992 0 1 1 1 1 0 0 0 0 0 0 0 4 1993 2 4 0 0 0 0 0 0 0 0 0 0 6 1994 0 2 1 1 1 0 0 0 0 0 2 0 7 1995 0 1 0 0 0 0 0 0 0 0 0 0 1 1996 0 3 1 1 0 0 0 0 0 0 0 0 5 1997 0 0 0 0 0 0 0 0 0 0 0 1 1 1998 1 0 2 0 0 0 0 0 0 0 0 0 3 1999 1 0 1 0 0 0 0 0 0 0 2 1 5 2000 1 0 0 1 0 0 0 0 0 0 1 3 6 MEAN 1 1 1 1 0 0 0 0 0 0 0 1 5 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 15 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 80 80 62 59 37 39 42 39 39 45 51 62 53 1962 70 63 *** 59 46 36 34 38 49 48 51 71 *** 1963 73 62 55 80 88 68 36 42 51 49 60 76 62 1964 89 73 56 47 28 32 34 36 40 46 61 75 51 1965 87 70 65 46 37 35 39 43 49 68 63 63 55 1966 66 63 62 55 55 30 30 31 37 63 52 *** *** 1967 81 82 61 54 44 27 34 25 34 47 64 79 53 1968 81 80 68 61 54 42 31 32 31 48 83 75 57 1969 85 80 79 64 50 35 31 30 34 47 72 71 57 1970 77 58 57 42 39 29 32 30 36 39 47 70 46 1971 66 66 54 59 48 35 34 36 35 36 53 65 49 1972 66 85 68 52 60 36 30 32 37 43 55 81 54 1973 86 70 58 46 26 25 24 24 28 38 49 58 44 1974 59 77 70 51 37 24 40 40 34 36 49 74 49 1975 72 72 57 40 34 23 17 19 29 40 59 68 44 1976 75 69 69 53 43 30 28 20 28 54 68 68 50 1977 41 56 51 57 40 22 28 20 31 49 61 66 44 1978 64 69 56 51 33 36 32 31 35 43 62 65 48 1979 68 68 61 52 52 42 35 37 40 42 61 63 52 1980 73 76 68 48 44 37 36 41 42 58 66 60 54 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** 76 70 63 47 36 39 42 54 73 84 *** 1987 74 74 73 58 50 29 39 38 45 63 68 76 57 1988 79 71 63 67 39 30 42 41 38 55 55 65 54 1989 76 73 69 49 40 31 32 30 35 42 68 80 52 1990 82 79 64 56 37 26 32 36 36 52 60 68 52 1991 83 82 78 61 47 37 32 37 41 57 65 82 59 1992 80 73 79 66 70 46 40 42 44 50 65 79 61 1993 83 85 72 60 54 40 39 43 40 50 83 83 61 1994 82 72 69 64 58 39 40 37 44 67 82 80 61 1995 77 75 64 67 55 46 38 38 46 49 55 79 57 1996 85 86 84 72 64 40 40 45 37 55 64 64 61 1997 64 60 57 51 44 38 34 32 40 47 69 88 52 1998 82 72 69 63 56 36 36 43 46 59 59 76 58 1999 80 74 71 59 40 29 42 35 45 50 78 86 57 2000 78 71 55 49 34 34 36 41 46 69 82 91 57 MEAN 75 73 65 57 47 35 34 35 39 50 63 73 54 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 16 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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 67 42 39 22 33 27 18 21 22 28 39 35 1962 45 31 *** 38 24 19 14 19 22 24 34 49 *** 1963 43 35 25 64 72 40 18 22 33 26 33 58 39 1964 80 44 32 27 14 15 16 17 17 21 34 55 31 1965 74 48 43 30 22 19 21 21 26 43 40 38 35 1966 42 39 37 37 38 20 16 20 21 39 30 *** *** 1967 37 49 29 35 23 14 19 15 17 24 46 56 30 1968 52 64 42 35 27 25 17 17 16 32 60 56 37 1969 76 65 62 44 29 20 21 19 20 30 33 44 39 1970 58 30 36 24 19 17 18 18 19 21 29 47 28 1971 43 41 31 34 26 21 17 26 21 24 39 43 31 1972 63 75 47 27 29 17 15 18 20 21 37 66 36 1973 71 34 27 21 13 15 15 15 19 19 23 40 26 1974 64 70 53 34 19 18 16 25 22 20 25 61 36 1975 52 47 26 20 17 17 12 14 18 19 29 50 27 1976 37 50 43 31 23 17 17 13 20 31 35 34 29 1977 41 30 24 29 23 15 16 13 22 28 32 30 25 1978 46 42 33 30 16 20 21 19 20 27 33 28 28 1979 44 52 41 31 28 22 18 21 21 33 40 43 33 1980 57 55 36 29 25 21 20 23 24 36 42 45 34 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** 53 34 30 25 15 18 21 25 44 54 *** 1987 37 41 41 26 21 12 17 16 18 41 33 45 29 1988 47 45 31 29 14 12 17 18 15 25 23 36 26 1989 47 48 39 16 17 11 13 12 17 18 34 48 27 1990 59 52 28 20 15 10 13 15 11 23 23 35 25 1991 54 48 45 21 20 15 13 12 18 26 34 55 30 1992 56 36 45 31 37 18 16 19 16 19 31 50 31 1993 61 56 33 29 23 18 21 23 16 21 49 53 34 1994 49 41 33 28 25 18 21 17 19 34 48 46 32 1995 39 42 28 30 24 19 15 19 23 24 20 49 28 1996 57 55 52 34 24 16 16 21 15 22 34 31 31 1997 34 27 30 22 18 16 15 12 14 20 37 58 25 1998 52 42 37 25 23 14 17 19 19 25 27 41 28 1999 50 34 35 24 15 12 20 15 21 28 46 57 30 2000 43 33 23 18 13 15 16 19 19 37 48 73 30 MEAN 52 46 37 30 24 18 17 18 19 27 35 47 31 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 17 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 75 70 49 47 26 35 29 19 25 31 45 53 42 1962 60 47 *** 46 28 20 15 21 30 38 56 65 *** 1963 57 47 33 73 81 46 17 21 38 36 50 69 47 1964 86 59 38 32 15 14 15 15 21 31 52 73 38 1965 84 57 47 35 25 19 21 23 32 55 58 51 42 1966 51 49 45 44 46 20 17 22 25 48 44 *** *** 1967 46 56 33 38 26 13 19 14 17 32 56 56 34 1968 54 64 38 42 31 31 19 18 19 39 70 67 41 1969 80 68 66 48 35 23 23 20 22 38 51 55 44 1970 71 42 42 29 22 19 19 20 21 26 38 63 34 1971 61 53 39 41 31 22 19 26 26 29 47 59 38 1972 69 80 52 33 39 20 19 21 23 25 57 77 43 1973 85 50 43 32 16 18 18 17 20 23 32 56 34 1974 72 76 61 38 21 20 17 27 26 25 32 75 41 1975 64 60 35 26 20 19 15 15 18 26 43 67 34 1976 53 64 55 38 28 21 20 15 22 37 42 51 37 1977 52 36 30 37 28 17 16 14 23 34 40 39 31 1978 57 49 38 37 20 24 23 19 22 34 36 38 33 1979 51 58 51 36 37 26 21 31 32 32 38 46 38 1980 67 66 48 32 27 26 26 27 28 37 43 58 40 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** 54 39 33 22 12 16 21 27 54 68 *** 1987 45 46 45 29 21 9 15 12 18 47 41 54 32 1988 52 48 31 35 14 10 13 14 16 28 29 44 28 1989 53 58 42 18 17 10 10 10 13 21 37 57 29 1990 68 57 33 24 13 8 13 13 12 30 30 45 29 1991 61 50 51 23 21 13 12 11 17 30 38 65 33 1992 64 45 51 36 38 19 10 16 14 21 37 57 34 1993 73 62 39 29 26 16 18 22 16 30 58 60 37 1994 59 46 36 34 25 16 18 15 20 41 56 56 35 1995 44 44 30 38 27 18 13 17 23 24 26 58 30 1996 69 61 61 41 28 14 15 19 16 26 40 40 36 1997 36 28 32 23 19 15 11 9 14 23 45 65 27 1998 62 47 39 29 23 13 15 17 18 30 35 48 31 1999 59 40 36 26 14 10 17 13 22 31 61 66 33 2000 53 38 26 19 12 13 15 18 19 42 56 79 33 MEAN 62 54 43 35 27 19 17 18 21 32 45 58 36 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 18 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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 3 2 0 0 0 0 0 0 0 0 2 0 7 1962 0 0 *** 0 0 0 0 0 0 0 0 0 *** 1963 0 0 0 0 0 0 0 0 0 0 0 6 6 1964 26 1 0 0 0 0 0 0 0 0 1 8 36 1965 2 0 0 0 0 0 0 0 0 0 0 0 2 1966 0 0 0 0 0 0 0 0 0 0 0 *** *** 1967 0 2 0 0 0 0 0 0 0 0 0 0 2 1968 1 5 1 0 0 0 0 0 0 0 0 0 7 1969 8 6 0 0 0 0 0 0 0 0 0 0 14 1970 0 0 0 0 0 0 0 0 0 0 0 0 0 1971 5 2 0 0 0 0 0 0 0 0 0 0 7 1972 14 12 0 0 0 0 0 0 0 0 0 8 34 1973 13 0 2 0 0 0 0 0 0 0 0 5 20 1974 20 9 0 0 0 0 0 0 0 0 0 *** *** 1975 0 1 0 0 0 0 0 0 0 0 0 11 12 1976 3 15 7 0 0 0 0 0 0 0 0 1 26 1977 11 10 0 0 0 0 0 0 0 0 0 0 21 1978 2 0 0 0 0 0 0 0 0 0 0 0 2 1979 *** 0 0 0 0 0 0 0 0 0 0 *** *** 1980 5 3 0 0 0 0 0 0 0 0 0 1 9 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** 1 0 0 0 0 0 0 0 0 5 *** 1987 8 6 0 0 0 0 0 0 0 0 0 4 18 1988 6 2 0 0 0 0 0 0 0 0 5 6 19 1989 16 15 0 0 0 0 0 0 0 0 0 0 31 1990 9 1 2 0 0 0 0 0 0 0 0 9 21 1991 4 6 0 0 0 0 0 0 0 0 1 11 22 1992 15 8 6 0 0 0 0 0 0 0 4 4 37 1993 15 2 0 0 0 0 0 0 0 0 5 2 24 1994 3 2 0 0 0 0 0 0 0 0 0 12 17 1995 4 0 0 0 0 0 0 0 0 0 3 14 21 1996 13 0 0 0 0 0 0 0 0 0 3 5 21 1997 10 14 1 0 0 0 0 0 0 0 0 2 27 1998 9 3 0 0 0 0 0 0 0 0 0 1 13 1999 4 0 0 0 0 0 0 0 0 0 0 3 7 2000 9 4 3 0 0 0 0 0 0 0 0 0 16 MEAN 7 4 1 0 0 0 0 0 0 0 1 4 17 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 19 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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 6 23 29 15 5 0 0 0 78 1962 0 0 *** 0 0 12 25 20 0 0 0 0 *** 1963 0 0 0 0 0 21 31 28 4 0 0 0 84 1964 0 0 0 1 3 28 31 27 2 0 0 0 92 1965 0 0 0 0 5 21 31 27 3 0 0 0 87 1966 0 0 0 0 6 23 27 31 10 0 0 *** *** 1967 0 0 0 1 5 14 31 24 3 0 0 0 78 1968 0 0 0 0 0 11 27 25 5 0 0 0 68 1969 0 0 0 0 4 23 28 21 2 1 0 0 79 1970 0 0 0 0 10 22 30 30 2 0 0 0 94 1971 0 0 0 0 7 23 30 28 8 0 0 0 96 1972 0 0 0 0 0 17 30 22 3 0 0 0 72 1973 0 0 0 0 0 15 21 19 3 0 0 0 58 1974 0 0 0 0 8 24 26 20 5 0 0 *** *** 1975 0 0 0 0 2 8 14 3 0 0 0 0 27 1976 0 0 0 0 0 7 17 5 0 0 0 0 29 1977 0 0 0 0 0 2 5 5 0 0 0 0 12 1978 0 0 0 0 4 1 28 21 2 1 0 0 57 1979 *** 0 0 0 0 2 19 2 1 0 0 *** *** 1980 0 0 0 0 2 7 9 6 0 0 0 0 24 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** 0 0 0 6 15 11 0 1 0 0 *** 1987 0 0 0 0 2 11 21 16 0 0 0 0 50 1988 0 0 0 0 1 11 25 22 1 0 0 0 60 1989 0 0 0 0 1 10 24 15 0 0 0 0 50 1990 0 0 0 0 0 13 28 21 0 0 0 0 62 1991 0 0 0 0 0 10 25 8 0 0 0 0 43 1992 0 0 0 0 0 7 21 9 0 0 0 0 37 1993 0 0 0 0 2 7 21 16 1 0 0 0 47 1994 0 0 0 0 1 10 28 21 2 0 0 0 62 1995 0 0 0 0 0 10 26 18 1 0 0 0 55 1996 0 0 0 0 0 15 22 11 1 0 0 0 49 1997 0 0 0 0 1 18 31 15 1 0 0 0 66 1998 0 0 0 0 1 20 26 23 1 0 0 0 71 1999 0 0 0 0 1 15 19 20 1 0 0 0 56 2000 0 0 0 0 2 8 20 16 0 0 0 0 46 MEAN 0 0 0 0 2 14 24 18 2 0 0 0 60 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 20 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. NO. OF DAYS MAXIMUM TEMPERATURE EQUAL OR LESS THAN 0 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 0 1 0 0 0 0 0 0 0 0 0 0 1 1962 0 0 *** 0 0 0 0 0 0 0 0 0 *** 1963 0 0 0 0 0 0 0 0 0 0 0 5 5 1964 10 0 0 0 0 0 0 0 0 0 0 0 10 1965 1 0 0 0 0 0 0 0 0 0 0 0 1 1966 0 0 0 0 0 0 0 0 0 0 0 *** *** 1967 0 0 0 0 0 0 0 0 0 0 0 0 0 1968 0 0 0 0 0 0 0 0 0 0 0 0 0 1969 4 0 0 0 0 0 0 0 0 0 0 0 4 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 7 5 1 0 0 0 0 0 0 0 0 3 16 1973 0 0 0 0 0 0 0 0 0 0 0 0 0 1974 3 2 0 0 0 0 0 0 0 0 0 1 6 1975 1 0 0 0 0 0 0 0 0 0 0 0 1 1976 0 1 1 0 0 0 0 0 0 0 0 0 2 1977 *** *** *** *** *** 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 *** *** *** *** *** 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** 0 0 0 0 0 0 0 0 0 0 *** 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 0 0 0 0 0 0 0 0 1989 1 0 0 0 0 0 0 0 0 0 0 0 1 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 1 0 0 0 0 0 0 0 0 0 0 1 2 1993 2 0 0 0 0 0 0 0 0 0 0 0 2 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 1 0 0 0 0 0 0 0 0 0 0 0 1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 21 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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 4 28 29 31 31 30 6 0 0 159 1962 0 0 *** 0 22 29 31 31 22 8 0 0 *** 1963 0 0 0 2 13 30 31 31 29 14 0 0 150 1964 0 0 0 3 26 30 31 31 30 6 0 0 157 1965 0 0 0 5 26 30 31 31 26 8 0 0 157 1966 0 0 0 6 21 30 31 31 30 3 0 *** *** 1967 0 0 0 4 22 29 31 31 27 2 0 0 146 1968 0 0 0 5 17 30 31 31 30 15 0 0 159 1969 0 0 0 3 20 30 31 30 25 9 0 0 148 1970 0 0 1 15 24 29 31 31 26 8 0 0 165 1971 0 0 0 1 31 30 31 31 27 0 0 0 151 1972 0 0 0 2 8 30 31 31 27 18 0 0 147 1973 0 0 0 4 28 30 31 31 24 12 0 0 160 1974 0 0 0 10 26 30 31 31 26 1 0 0 155 1975 0 0 0 5 22 30 31 31 29 6 0 0 154 1976 0 0 0 1 19 29 31 31 29 8 0 0 148 1977 *** *** *** *** *** 30 31 31 29 6 0 0 *** 1978 0 0 0 3 25 28 29 30 25 12 0 0 152 1979 *** *** *** *** *** 29 31 31 *** *** *** *** *** 1980 0 0 0 9 27 30 31 31 26 3 0 0 157 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** 0 0 17 30 31 31 29 11 0 0 *** 1987 0 0 0 11 25 30 30 31 27 4 0 0 158 1988 0 0 0 6 25 30 31 31 28 5 0 0 156 1989 0 0 0 9 22 30 31 31 24 13 0 0 160 1990 0 0 0 7 28 30 31 31 30 11 0 0 168 1991 0 0 0 8 23 30 31 31 25 2 0 0 150 1992 0 0 0 3 9 30 31 30 28 6 0 0 137 1993 0 0 0 4 17 30 31 31 29 3 0 0 145 1994 0 0 0 7 19 30 31 31 25 1 0 0 144 1995 0 0 0 1 20 30 31 31 27 8 0 0 148 1996 0 0 0 2 18 30 31 31 30 6 0 0 148 1997 0 0 0 7 24 30 31 31 29 18 0 0 170 1998 0 0 0 12 23 30 31 31 29 10 0 0 166 1999 0 0 0 5 30 30 31 31 26 19 0 0 172 2000 0 0 0 14 31 30 31 31 29 2 0 0 168 MEAN 0 0 0 5 22 30 31 31 27 8 0 0 154 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 22 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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 2 18 3 1 0 0 0 24 1962 0 0 *** 0 0 0 16 6 0 0 0 0 *** 1963 0 0 0 0 0 4 22 16 0 0 0 0 42 1964 0 0 0 0 0 12 26 21 0 0 0 0 59 1965 0 0 0 0 0 4 17 21 0 0 0 0 42 1966 0 0 0 0 0 14 20 19 3 0 0 *** *** 1967 0 0 0 0 0 3 18 19 1 0 0 0 41 1968 0 0 0 0 0 4 16 14 0 0 0 0 34 1969 0 0 0 0 0 7 15 4 0 0 0 0 26 1970 0 0 0 0 2 11 12 15 0 0 0 0 40 1971 0 0 0 0 0 7 19 13 0 0 0 0 39 1972 0 0 0 0 0 2 17 4 0 0 0 0 23 1973 0 0 0 0 0 13 19 10 1 0 0 0 43 1974 0 0 0 0 0 13 9 0 0 0 0 0 22 1975 0 0 0 0 0 16 30 12 2 0 0 0 60 1976 0 0 0 0 0 3 22 14 0 0 0 0 39 1977 *** *** *** *** *** 17 28 14 0 0 0 0 *** 1978 0 0 0 0 0 5 14 4 0 0 0 0 23 1979 *** *** *** *** *** 7 31 6 *** *** *** *** *** 1980 0 0 0 0 0 12 31 16 0 0 0 0 59 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** 0 0 0 3 14 2 0 0 0 0 *** 1987 0 0 0 0 0 6 13 17 1 0 0 0 37 1988 0 0 0 0 0 4 20 9 1 0 0 0 34 1989 0 0 0 0 1 14 21 15 2 0 0 0 53 1990 0 0 0 0 2 14 17 19 2 0 0 0 54 1991 0 0 0 0 0 3 22 13 3 0 0 0 41 1992 0 0 0 0 0 2 23 4 0 0 0 0 29 1993 0 0 0 0 0 8 9 5 1 0 0 0 23 1994 0 0 0 0 0 5 19 17 0 0 0 0 41 1995 0 0 0 0 0 3 22 22 0 0 0 0 47 1996 0 0 0 0 0 7 8 13 4 0 0 0 32 1997 0 0 0 0 0 6 26 22 3 0 0 0 57 1998 0 0 0 0 0 9 19 19 1 0 0 0 48 1999 0 0 0 0 1 15 16 20 0 0 0 0 52 2000 0 0 0 0 1 13 14 17 2 0 0 0 47 MEAN 0 0 0 0 0 8 19 13 1 0 0 0 41 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 23 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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 0 0 1964 0 0 0 0 0 0 2 0 0 0 0 0 2 1965 0 0 0 0 0 0 0 0 0 0 0 0 0 1966 0 0 0 0 0 0 0 0 0 0 0 *** *** 1967 0 0 0 0 0 0 1 0 0 0 0 0 1 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 1 0 0 0 0 0 1 1971 0 0 0 0 0 0 2 0 0 0 0 0 2 1972 0 0 0 0 0 0 0 0 0 0 0 0 0 1973 0 0 0 0 0 0 3 1 0 0 0 0 4 1974 0 0 0 0 0 0 0 0 0 0 0 0 0 1975 0 0 0 0 0 0 5 0 0 0 0 0 5 1976 0 0 0 0 0 0 0 0 0 0 0 0 0 1977 *** *** *** *** *** 0 0 0 0 0 0 0 *** 1978 0 0 0 0 0 0 2 0 0 0 0 0 2 1979 *** *** *** *** *** 0 0 0 *** *** *** *** *** 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** 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 5 0 0 0 0 0 5 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 2 0 0 0 0 0 2 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 0 2 2 0 0 0 0 4 1998 0 0 0 0 0 0 2 0 0 0 0 0 2 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 1 0 0 0 0 0 1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 24 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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 23 11 1 0 0 0 0 0 0 0 6 2 43 11 25 3 5 1962 12 2 *** 0 0 0 0 0 0 0 9 5 *** 11 17 2 23 1963 6 4 2 0 0 0 0 0 0 0 2 12 26 11 29 3 9 1964 31 6 0 0 0 0 0 0 0 0 2 28 67 11 29 2 28 1965 21 11 1 0 0 0 0 0 0 0 0 5 38 12 19 3 18 1966 0 0 0 0 0 0 0 0 0 0 2 *** *** 11 29 11 30 1967 21 8 2 1 0 0 0 0 0 0 0 10 42 12 1 4 2 1968 10 12 3 0 0 0 0 0 0 0 0 2 27 12 24 3 25 1969 19 8 0 0 0 0 0 0 0 0 6 1 34 11 17 2 16 1970 11 1 0 0 0 0 0 0 0 0 0 9 21 12 15 2 20 1971 15 11 0 0 0 0 0 0 0 0 0 4 30 12 18 2 17 1972 25 22 2 0 0 0 0 0 0 0 0 14 63 12 18 3 21 1973 26 0 2 0 0 0 0 0 0 0 8 17 53 11 7 3 10 1974 31 21 1 0 0 0 0 0 0 0 0 *** *** 1 1 3 6 1975 12 7 0 0 0 0 0 0 0 0 6 20 45 11 7 2 15 1976 10 22 11 0 0 0 0 0 0 0 0 10 53 12 22 3 18 1977 14 15 0 0 0 0 0 0 0 0 0 3 32 12 14 2 15 1978 4 0 1 0 0 0 0 0 0 0 0 0 5 1 13 3 16 1979 *** 0 0 0 0 0 0 0 0 0 0 *** *** ** ** ** ** 1980 19 11 4 0 0 0 0 0 0 0 0 2 36 12 15 3 8 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1986 *** *** 8 0 0 0 0 0 0 0 6 20 *** 11 14 3 23 1987 22 11 6 0 0 0 0 0 0 0 1 15 55 11 30 3 29 1988 22 11 1 0 0 0 0 0 0 0 11 22 67 11 15 3 6 1989 29 24 1 0 0 0 0 0 0 0 3 13 70 11 11 3 31 1990 22 16 5 0 0 0 0 0 0 0 10 20 73 11 14 3 23 1991 24 22 2 0 0 0 0 0 0 0 8 19 75 11 17 3 11 1992 28 24 12 0 0 0 0 0 0 0 6 17 87 11 20 3 27 1993 27 15 6 0 0 0 0 0 0 0 9 17 74 11 15 3 26 1994 16 13 0 0 0 0 0 0 0 0 0 22 51 12 5 2 26 1995 25 12 5 0 0 0 0 0 0 0 11 25 78 11 13 3 7 1996 25 10 2 0 0 0 0 0 0 0 8 19 64 11 13 3 6 1997 21 23 8 0 0 0 0 0 0 0 5 14 71 11 16 3 15 1998 22 13 5 0 0 0 0 0 0 0 1 20 61 11 26 3 7 1999 17 12 2 0 0 0 0 0 0 0 1 18 50 11 30 3 19 2000 24 20 9 0 0 0 0 0 0 0 4 12 69 11 12 3 18 MEAN 19 12 3 0 0 0 0 0 0 0 4 13 51 11 7 4 2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 25 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 4.2 6.9 11.3 16.3 26.2 30.5 32.6 29.8 26.3 18.6 11.8 9.0 18.6 1962 6.1 9.3 ****** 17.0 25.2 28.9 32.5 30.0 25.0 20.2 10.2 7.6 ****** 1963 8.8 11.5 13.5 19.5 22.4 31.1 33.9 32.0 27.5 21.6 12.1 4.2 19.8 1964 -2.4 7.1 14.7 17.5 26.8 32.1 34.7 32.8 26.8 17.8 11.5 2.3 18.5 1965 2.5 7.7 13.3 18.1 26.5 31.3 33.3 31.7 25.9 20.0 14.5 8.3 19.4 1966 9.8 11.5 13.7 19.0 25.1 32.4 32.8 32.3 27.5 18.9 12.2 ****** ****** 1967 6.7 6.6 12.7 17.7 25.5 29.9 33.6 32.3 27.2 19.7 13.8 7.7 19.5 1968 6.0 6.1 13.0 18.2 24.1 29.6 32.8 32.3 28.0 20.9 12.8 8.0 19.3 1969 1.5 4.4 13.2 17.7 25.1 31.2 32.7 30.4 25.8 21.5 10.0 8.9 18.5 1970 5.4 11.3 13.4 21.6 27.4 31.8 33.0 33.4 26.3 20.6 15.6 6.5 20.5 1971 5.8 7.5 14.9 17.5 27.2 31.6 33.8 31.5 26.6 19.5 15.1 7.7 19.9 1972 0.2 1.3 9.4 19.5 21.1 30.6 33.3 30.0 26.9 22.1 12.1 3.3 17.5 1973 1.4 9.4 11.4 16.1 24.7 30.9 32.6 31.7 26.9 21.8 12.0 5.5 18.7 1974 0.6 2.2 12.8 18.9 26.7 31.2 31.9 31.2 26.9 19.4 14.7 3.4 18.3 1975 4.9 7.0 13.0 20.3 25.2 32.1 35.7 31.8 27.8 20.1 9.8 4.7 19.4 1976 7.2 4.2 7.4 16.7 24.1 30.6 33.4 32.1 27.9 19.8 10.8 6.9 18.4 1977 -1.8 3.9 15.0 17.8 23.9 32.6 34.5 32.1 27.3 20.1 13.8 10.2 19.1 1978 7.2 8.7 13.8 18.3 25.5 29.1 32.7 30.6 25.8 22.6 13.6 10.6 19.9 1979 10.5 12.5 12.1 18.6 22.5 29.5 33.8 30.0 27.6 21.8 15.8 11.3 20.5 1980 5.5 6.3 13.0 21.3 25.9 30.3 33.1 32.3 27.1 20.0 16.5 9.3 20.0 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** 9.2 18.6 23.0 29.6 32.7 29.8 25.6 20.7 10.5 4.3 ****** 1987 6.6 9.1 11.7 19.0 26.2 31.7 32.1 31.7 26.1 15.4 12.5 7.1 19.1 1988 5.1 7.1 12.8 18.1 26.3 31.1 33.2 31.7 26.7 19.1 12.3 7.2 19.2 1989 1.6 1.7 12.6 20.2 25.0 31.9 34.2 32.2 26.3 20.7 12.7 8.1 18.9 1990 3.2 6.0 11.8 18.7 26.4 32.2 33.3 32.5 27.4 19.3 13.4 6.2 19.2 1991 4.8 4.9 11.1 20.0 23.8 30.3 32.9 30.9 26.1 19.2 12.0 4.7 18.4 1992 1.5 5.3 7.4 17.0 20.2 28.9 33.4 29.4 24.1 18.7 11.9 5.6 16.9 1993 1.5 6.2 10.3 18.7 23.5 30.1 32.3 31.0 27.0 17.4 8.8 6.8 17.8 1994 6.6 6.9 13.8 19.6 24.4 30.4 33.4 32.3 24.2 18.5 12.6 3.9 18.9 1995 6.7 8.9 13.5 18.5 23.8 29.4 34.1 33.0 25.8 18.2 12.3 4.1 19.0 1996 2.7 7.6 9.5 16.8 24.7 30.3 32.0 31.3 28.3 18.2 10.6 8.2 18.4 1997 6.7 6.2 10.6 18.4 24.7 31.0 34.8 32.8 26.2 21.5 11.7 6.8 19.3 1998 3.7 6.7 12.3 19.9 24.7 31.8 33.6 32.2 27.0 19.2 14.5 8.6 19.5 1999 5.5 9.9 12.2 19.2 26.6 32.2 31.9 32.7 26.8 21.1 10.6 7.0 19.6 2000 4.5 7.1 12.2 22.2 27.8 30.6 32.9 32.0 27.5 17.7 10.5 6.3 19.3 MEAN 4.4 7.0 12.1 18.6 24.9 30.8 33.2 31.6 26.6 19.8 12.4 6.8 19.0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 26 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 -0.4 2.0 0.6 4.4 5.6 13.0 12.5 6.4 5.8 0.7 -1.9 -1.3 3.9 1962 -2.2 -3.0 ****** 3.9 6.7 4.1 5.8 7.2 6.5 3.4 -1.6 0.0 ****** 1963 0.1 -0.5 -2.3 13.9 18.4 18.1 8.8 9.8 12.2 5.3 0.5 -2.1 6.9 1964 -4.9 -1.2 0.7 0.2 -0.1 4.9 7.9 6.8 4.0 -0.1 0.4 -3.6 1.3 1965 -0.5 -0.5 2.5 2.4 5.2 7.5 10.9 10.4 8.1 9.9 4.7 -1.8 4.9 1966 0.1 0.7 2.0 6.1 11.2 7.8 6.5 8.2 5.8 7.2 -0.9 ****** ****** 1967 -3.1 -1.2 -1.6 3.3 5.2 1.9 9.3 4.2 2.4 2.5 4.1 0.7 2.3 1968 -1.3 0.3 1.4 5.1 7.2 9.9 7.4 6.8 3.3 5.5 7.4 1.6 4.6 1969 -2.1 -0.7 7.2 6.6 8.8 8.5 9.6 6.2 3.6 5.6 -0.5 0.3 4.4 1970 -0.3 -1.7 0.7 2.7 4.9 6.7 8.3 8.5 3.6 0.8 0.6 -1.3 2.8 1971 -2.6 -2.1 0.8 4.1 9.6 9.0 8.9 11.0 5.3 0.1 2.6 -1.4 3.8 1972 -5.8 -2.2 0.1 3.6 6.8 6.6 6.9 5.9 4.8 2.1 1.3 -1.2 2.4 1973 -2.0 -1.0 -2.1 -1.4 -1.7 3.9 5.3 4.1 3.2 0.7 -4.3 -4.7 -0.0 1974 -5.5 -2.1 5.0 3.1 4.5 5.6 7.2 11.5 5.5 -0.9 -1.4 -2.1 2.5 1975 -2.1 -0.9 -1.8 0.4 1.5 5.4 4.5 2.3 2.9 0.2 -3.2 -2.6 0.5 1976 -2.2 -3.6 -2.1 2.0 5.2 5.9 7.8 2.6 4.2 5.0 -0.6 -3.5 1.7 1977 -13.7 -10.9 -1.7 3.5 4.4 4.7 7.0 2.3 5.1 3.7 1.0 -2.3 0.3 1978 -1.9 -0.9 -0.2 2.7 1.4 7.1 9.6 6.3 3.6 5.4 0.3 -2.3 2.6 1979 1.0 4.3 1.6 3.0 7.1 8.7 9.8 9.4 7.8 5.5 3.6 1.0 5.2 1980 -0.9 -0.2 2.0 4.4 6.8 8.7 11.0 12.0 7.5 6.5 5.3 0.2 5.3 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** 0.7 5.3 7.0 8.7 5.3 5.3 4.4 3.6 1.2 -1.5 ****** 1987 -3.6 -0.9 0.5 2.0 5.1 0.8 6.2 4.6 3.1 2.9 -0.0 -1.2 1.6 1988 -3.0 -2.6 -2.0 3.3 0.1 0.9 6.8 6.2 1.3 1.3 -4.1 -4.4 0.3 1989 -6.5 -6.0 1.1 -2.1 0.2 1.3 4.0 2.0 -0.3 -1.5 -0.0 0.6 -0.6 1990 -2.3 -1.6 -2.4 -1.0 -0.4 -1.2 4.3 5.1 -0.9 1.3 -2.3 -4.8 -0.5 1991 -1.7 -3.2 2.1 1.0 2.2 3.5 4.0 2.2 2.4 2.7 -0.5 -1.6 1.1 1992 -4.6 -5.2 -1.6 2.5 6.2 5.9 5.1 5.3 -0.1 -1.2 -1.1 -1.9 0.8 1993 -3.5 -0.0 -2.7 2.0 4.1 5.5 9.1 9.7 2.5 -0.8 1.4 0.1 2.3 1994 -0.7 -3.0 0.9 4.2 5.8 5.2 9.5 6.5 2.5 5.4 4.4 -3.8 3.1 1995 -3.1 -1.2 -1.8 4.5 4.6 6.4 6.7 7.5 5.1 -0.7 -5.2 -3.4 1.6 1996 -2.6 1.2 2.4 4.0 7.0 3.5 6.6 8.2 2.8 0.5 -1.5 -4.5 2.3 1997 -5.8 -8.7 -4.2 -1.2 2.1 4.8 6.1 2.3 1.0 1.6 0.6 1.2 -0.0 1998 -2.8 -3.2 -0.5 3.0 5.1 4.1 7.6 8.2 4.6 2.4 -0.5 -0.7 2.3 1999 -1.9 -1.9 -0.8 1.9 0.9 1.6 7.9 5.5 5.6 4.0 2.5 1.1 2.2 2000 -3.9 -4.8 -5.0 0.5 0.1 3.2 6.9 8.7 5.3 5.2 2.7 3.0 1.8 MEAN -2.8 -2.0 -0.0 3.0 4.8 5.8 7.5 6.5 4.1 2.7 0.4 -1.4 2.4 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 27 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 4.22 5.03 4.57 5.91 6.45 11.22 10.76 6.74 6.42 4.52 3.87 3.93 6.14 1962 3.70 3.61 ****** 5.92 6.96 6.14 6.48 7.15 7.05 5.61 4.19 4.43 ****** 1963 4.39 4.20 3.75 11.57 15.37 15.89 8.05 8.59 10.30 6.34 4.58 3.73 8.06 1964 3.03 3.95 4.59 4.42 4.35 6.11 7.44 7.05 5.82 4.25 4.54 3.32 4.91 1965 4.15 4.21 5.34 5.18 6.23 7.21 9.07 8.87 7.59 8.71 6.07 3.76 6.37 1966 4.35 4.52 5.04 6.84 10.08 7.55 6.76 7.97 6.63 7.15 4.13 ****** ****** 1967 3.44 3.98 3.88 5.55 6.47 4.96 8.24 5.86 5.14 5.16 5.81 4.55 5.26 1968 3.96 4.45 4.96 6.32 7.29 8.94 7.30 7.08 5.46 6.32 7.22 4.87 6.18 1969 3.74 4.18 7.19 6.92 7.95 7.77 8.44 6.66 5.57 6.40 4.28 4.38 6.12 1970 4.23 3.78 4.56 5.27 6.20 6.86 7.66 7.82 5.55 4.57 4.49 3.93 5.41 1971 3.59 3.70 4.60 5.78 8.40 8.06 7.91 9.32 6.48 4.54 5.28 3.91 5.96 1972 2.90 3.73 4.33 5.56 6.94 6.91 7.05 6.56 6.08 5.06 4.74 3.99 5.32 1973 3.74 3.96 3.64 3.85 3.76 5.94 6.34 5.92 5.43 4.59 3.19 3.14 4.46 1974 2.98 3.77 6.27 5.48 5.90 6.47 7.19 9.47 6.59 4.02 3.81 3.76 5.48 1975 3.68 4.04 3.70 4.45 4.75 6.35 5.92 5.05 5.35 4.30 3.45 3.59 4.55 1976 3.62 3.39 3.74 5.03 6.20 6.54 7.39 5.20 5.89 6.16 4.16 3.32 5.05 1977 1.74 2.39 3.77 5.47 5.91 5.96 7.13 5.09 6.25 5.64 4.67 3.59 4.80 1978 3.74 4.00 4.33 5.33 4.81 7.14 8.52 6.69 5.63 6.32 4.51 3.63 5.39 1979 4.66 5.91 4.85 5.61 7.17 7.93 8.51 8.33 7.51 6.45 5.62 4.66 6.43 1980 4.04 4.26 5.12 6.13 7.00 7.96 9.23 9.80 7.51 6.84 6.29 4.39 6.55 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** 4.58 6.40 7.15 8.35 6.24 6.36 5.87 5.55 4.77 3.94 ****** 1987 3.32 4.14 4.80 5.05 6.33 4.66 6.74 6.10 5.45 5.67 4.36 4.02 5.05 1988 3.50 3.65 3.89 5.95 4.43 4.64 7.24 6.79 4.83 4.88 3.50 3.23 4.71 1989 2.68 2.87 4.76 3.84 4.50 4.85 5.88 5.01 4.54 3.95 4.42 4.53 4.32 1990 3.67 3.84 3.69 4.19 4.31 4.05 5.94 6.24 4.14 4.87 3.68 3.06 4.31 1991 3.83 3.49 5.17 4.83 5.17 5.68 5.85 5.21 5.20 5.31 4.12 3.94 4.82 1992 3.09 3.00 4.05 5.27 6.84 6.65 6.62 6.36 4.29 3.94 4.16 3.85 4.84 1993 3.34 4.40 3.78 5.13 6.00 6.44 8.12 8.46 5.19 4.27 5.00 4.31 5.37 1994 4.18 3.49 4.67 5.95 6.73 6.42 8.53 6.86 5.32 6.56 6.08 3.39 5.68 1995 3.45 3.99 3.93 6.06 6.28 6.83 7.04 7.74 6.52 4.26 3.11 3.42 5.22 1996 3.60 4.71 5.31 5.96 7.11 5.83 6.89 7.94 5.25 4.50 3.97 3.25 5.36 1997 2.83 2.40 3.29 4.12 5.10 6.18 6.72 5.17 4.61 4.82 4.61 4.75 4.55 1998 3.54 3.43 4.36 5.45 6.25 5.82 7.30 7.70 6.03 5.11 4.18 4.08 5.27 1999 3.82 3.79 4.14 5.12 4.63 4.84 7.56 6.39 6.43 5.74 5.29 4.76 5.21 2000 3.29 3.07 3.18 4.68 4.49 5.53 7.01 7.86 6.31 6.29 5.28 5.36 5.20 MEAN 3.59 3.86 4.47 5.56 6.39 6.82 7.40 7.01 5.95 5.39 4.61 3.96 5.42 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 28 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 6.09 7.27 6.62 8.55 9.36 16.15 15.50 9.79 9.32 6.57 5.60 5.69 8.88 1962 5.35 5.23 ****** 8.56 10.08 8.90 9.42 10.37 10.21 8.13 6.07 6.40 ****** 1963 6.35 6.09 5.44 16.60 21.94 22.65 11.67 12.45 14.85 9.19 6.63 5.40 11.60 1964 4.38 5.71 6.65 6.41 6.34 8.89 10.81 10.23 8.46 6.17 6.58 4.79 7.12 1965 5.99 6.09 7.73 7.51 9.04 10.47 13.14 12.84 10.99 12.56 8.78 5.44 9.22 1966 6.30 6.54 7.30 9.89 14.51 10.95 9.83 11.54 9.62 10.34 5.99 ****** ****** 1967 4.98 5.76 5.63 8.04 9.38 7.23 11.96 8.53 7.47 7.49 8.41 6.58 7.62 1968 5.72 6.43 7.17 9.14 10.54 12.91 10.61 10.28 7.94 9.15 10.42 7.03 8.95 1969 5.40 6.04 10.38 10.01 11.50 11.28 12.23 9.67 8.10 9.27 6.20 6.33 8.87 1970 6.11 5.47 6.61 7.64 9.01 9.97 11.11 11.35 8.07 6.64 6.51 5.68 7.85 1971 5.19 5.36 6.67 8.37 12.15 11.69 11.48 13.48 9.40 6.58 7.65 5.67 8.64 1972 4.19 5.39 6.26 8.06 10.05 10.03 10.24 9.53 8.83 7.34 6.86 5.76 7.71 1973 5.40 5.73 5.28 5.59 5.47 8.63 9.23 8.62 7.89 6.67 4.63 4.54 6.47 1974 4.31 5.45 9.06 7.94 8.57 9.40 10.44 13.70 9.55 5.85 5.53 5.43 7.94 1975 5.32 5.84 5.37 6.47 6.90 9.23 8.62 7.37 7.78 6.26 5.00 5.19 6.61 1976 5.24 4.91 5.42 7.29 9.00 9.50 10.73 7.57 8.56 8.93 6.02 4.80 7.33 1977 2.52 3.45 5.47 7.92 8.57 8.68 10.36 7.42 9.08 8.17 6.77 5.21 6.97 1978 5.42 5.79 6.27 7.73 6.99 10.35 12.35 9.72 8.18 9.16 6.53 5.26 7.81 1979 6.74 8.55 7.02 8.12 10.38 11.49 12.34 12.07 10.88 9.35 8.13 6.74 9.32 1980 5.85 6.16 7.40 8.88 10.15 11.53 13.37 14.18 10.88 9.90 9.10 6.36 9.48 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** 6.62 9.26 10.35 12.07 9.08 9.24 8.52 8.05 6.90 5.69 ****** 1987 4.81 5.99 6.94 7.32 9.17 6.79 9.79 8.87 7.92 8.19 6.31 5.81 7.33 1988 5.06 5.29 5.64 8.61 6.45 6.75 10.50 9.86 7.03 7.07 5.07 4.68 6.83 1989 3.88 4.15 6.89 5.58 6.54 7.06 8.56 7.30 6.58 5.74 6.40 6.56 6.27 1990 5.30 5.56 5.35 6.08 6.27 5.91 8.64 9.07 6.03 7.06 5.35 4.44 6.25 1991 5.54 5.05 7.48 7.00 7.50 8.25 8.51 7.59 7.56 7.69 5.97 5.70 6.99 1992 4.46 4.35 5.86 7.63 9.89 9.64 9.58 9.23 6.24 5.73 6.03 5.56 7.02 1993 4.83 6.35 5.47 7.43 8.70 9.34 11.77 12.26 7.55 6.19 7.22 6.24 7.78 1994 6.04 5.05 6.76 8.61 9.75 9.32 12.36 9.96 7.73 9.49 8.78 4.91 8.23 1995 4.99 5.78 5.70 8.77 9.09 9.91 10.23 11.21 9.44 6.18 4.51 4.94 7.56 1996 5.20 6.81 7.66 8.62 10.30 8.46 10.00 11.50 7.64 6.53 5.75 4.71 7.77 1997 4.10 3.48 4.78 5.98 7.40 8.98 9.76 7.53 6.71 7.00 6.67 6.86 6.60 1998 5.12 4.97 6.31 7.90 9.06 8.46 10.60 11.17 8.76 7.41 6.06 5.91 7.64 1999 5.53 5.50 6.00 7.42 6.74 7.06 10.97 9.29 9.33 8.33 7.64 6.87 7.56 2000 4.76 4.45 4.61 6.79 6.54 8.04 10.19 11.40 9.16 9.10 7.63 7.74 7.53 MEAN 5.19 5.59 6.47 8.05 9.25 9.89 10.74 10.18 8.64 7.81 6.68 5.73 7.85 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 29 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 2.43 3.15 7.67 11.41 26.12 29.68 35.85 34.23 26.55 16.53 9.24 6.32 17.43 1962 4.44 6.97 ****** 11.71 23.47 32.94 41.59 34.19 23.65 16.93 7.31 4.45 ****** 1963 5.44 8.34 10.93 7.00 6.46 24.58 43.43 37.29 24.17 18.01 8.37 3.52 16.46 1964 0.96 4.88 10.98 14.89 30.81 40.94 47.00 42.75 29.29 15.92 7.86 2.71 20.75 1965 1.49 4.95 8.57 14.65 27.63 37.22 40.38 36.68 24.63 12.31 8.44 5.99 18.58 1966 6.27 7.49 9.31 13.28 19.03 40.19 42.33 39.65 29.25 12.54 9.22 ****** ****** 1967 5.31 4.40 9.96 13.79 24.65 37.14 42.15 42.41 30.53 16.69 8.43 4.49 20.00 1968 3.92 3.68 8.72 13.28 20.79 30.18 41.35 40.69 32.18 17.32 4.69 4.05 18.40 1969 1.71 2.81 5.35 11.41 21.81 36.22 39.19 35.65 27.41 17.87 6.85 5.52 17.65 1970 3.09 8.54 9.67 20.18 30.04 39.45 41.02 42.16 28.38 19.52 12.24 4.42 21.56 1971 4.50 5.67 11.24 12.66 25.41 36.52 43.53 34.87 27.68 17.13 10.43 5.30 19.58 1972 2.25 1.80 6.32 15.73 16.13 35.51 42.59 34.76 28.78 20.99 8.08 2.26 17.93 1973 1.75 6.70 9.10 14.36 27.93 39.42 43.44 40.60 29.58 20.97 10.50 4.90 20.77 1974 2.24 2.02 7.09 15.60 28.24 37.99 38.87 33.13 27.58 17.73 12.05 2.68 18.77 1975 3.69 4.64 10.80 18.60 27.07 40.60 51.61 41.53 31.10 18.62 7.66 3.66 21.63 1976 5.30 3.84 5.68 12.88 22.53 36.34 42.61 41.98 30.44 15.45 7.53 5.73 19.19 1977 3.03 5.15 12.65 13.46 22.35 42.34 46.59 42.28 28.54 17.05 9.77 7.83 20.92 1978 5.21 5.79 10.42 14.44 27.49 31.24 39.27 36.24 27.20 19.50 9.81 8.12 19.56 1979 6.32 6.45 7.65 14.24 18.32 31.91 42.43 32.22 28.11 17.93 10.58 7.21 18.62 1980 3.64 3.74 8.52 17.81 25.15 33.91 39.62 36.15 26.82 14.21 10.27 5.72 18.80 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** 5.80 13.11 19.62 31.83 43.21 35.72 27.49 18.39 6.72 2.99 ****** 1987 5.63 6.29 7.36 16.79 27.06 42.59 41.00 41.09 28.68 10.84 9.28 4.74 20.11 1988 4.07 5.37 10.13 13.78 29.92 40.93 43.39 39.72 31.13 16.88 10.77 6.37 21.04 1989 3.28 3.22 8.40 20.18 27.87 43.56 48.52 44.20 31.23 20.93 9.19 4.65 22.10 1990 2.67 4.24 9.57 17.51 30.75 45.43 45.42 42.99 34.45 17.28 11.61 6.06 22.33 1991 3.39 4.21 6.47 18.22 23.96 37.36 44.30 40.90 29.76 16.02 9.31 3.34 19.77 1992 2.67 5.14 5.28 13.11 15.57 32.46 45.20 34.57 26.75 17.89 9.17 3.99 17.65 1993 2.41 3.54 8.00 15.41 22.02 36.12 38.87 35.27 31.29 15.06 4.90 4.22 18.09 1994 4.12 5.50 10.03 15.89 22.77 36.46 42.12 41.31 25.07 12.95 6.49 3.63 18.86 1995 5.46 6.26 10.88 13.73 22.09 33.25 46.90 43.09 26.83 16.98 11.46 3.66 20.05 1996 2.61 4.16 4.97 12.03 23.18 37.41 40.10 37.76 34.18 16.27 8.03 6.86 18.96 1997 6.45 7.04 8.89 17.17 25.87 38.11 48.98 46.53 30.28 20.66 7.79 3.40 21.76 1998 3.12 5.47 9.15 17.30 24.25 41.32 43.90 39.92 29.68 17.15 11.80 5.95 20.75 1999 3.90 7.52 9.19 16.34 30.65 43.72 39.12 43.49 28.94 18.87 5.85 3.57 20.93 2000 4.14 6.36 10.82 21.88 33.19 39.50 42.76 39.64 30.34 12.50 5.68 1.97 20.73 MEAN 3.73 5.16 8.69 14.97 24.29 36.98 42.82 39.02 28.80 16.91 8.78 4.71 19.57 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 30 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. AVERAGE OF RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 73 72 51 48 28 36 33 25 28 33 41 51 43 1962 59 47 *** 48 33 25 21 26 34 36 47 62 *** 1963 58 48 37 72 80 51 24 28 41 37 48 67 49 1964 85 59 42 35 19 20 21 23 26 33 49 67 40 1965 82 58 52 37 28 24 27 29 35 56 54 51 44 1966 53 50 48 45 46 23 21 24 28 50 42 *** *** 1967 55 62 41 42 31 18 24 18 23 34 55 64 39 1968 62 69 49 46 37 32 22 22 22 40 71 66 45 1969 79 71 69 52 38 26 25 23 25 38 52 57 46 1970 69 43 45 31 27 22 23 23 25 29 38 60 36 1971 57 53 41 44 35 26 23 29 27 30 46 55 39 1972 66 80 56 38 43 24 21 24 26 30 50 75 44 1973 80 51 43 33 19 19 19 19 22 27 35 51 35 1974 65 74 61 41 26 21 24 31 27 27 35 70 42 1975 63 60 40 29 24 19 15 16 22 29 44 62 35 1976 55 61 56 40 32 23 22 16 23 41 48 51 39 1977 45 41 35 41 30 18 20 16 25 37 44 45 33 1978 55 53 42 39 23 27 25 23 26 35 44 44 36 1979 54 59 51 40 40 30 25 30 31 36 46 51 41 1980 65 65 51 36 32 28 27 31 31 44 50 54 43 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** 61 47 42 31 21 24 28 36 57 69 *** 1987 52 54 53 38 31 17 24 22 27 50 47 58 39 1988 59 55 42 44 23 17 24 24 23 36 36 48 36 1989 59 60 50 28 25 17 18 17 22 27 46 62 36 1990 69 63 42 33 22 14 20 21 20 35 37 49 35 1991 66 60 58 35 29 22 19 20 25 38 45 67 40 1992 67 51 58 44 48 28 22 26 25 30 45 62 42 1993 72 68 48 39 34 25 26 29 24 34 63 65 44 1994 63 53 46 42 36 24 26 23 27 47 62 61 43 1995 53 53 40 45 35 28 22 25 31 32 33 62 38 1996 71 68 65 49 39 23 24 28 23 34 46 45 43 1997 45 38 40 32 27 23 20 18 23 30 50 70 35 1998 66 54 48 39 34 21 22 26 28 38 40 55 39 1999 63 50 47 37 23 17 26 21 29 37 62 70 40 2000 58 47 35 29 20 21 22 26 28 49 62 81 40 MEAN 63 57 48 41 33 24 23 24 27 36 48 60 40 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 31 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. AVERAGE OF MAXIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 82 81 66 63 38 43 42 39 39 45 53 65 55 1962 72 65 *** 61 46 37 34 38 50 51 58 74 *** 1963 74 63 56 82 90 68 37 42 52 50 61 78 63 1964 94 74 57 51 28 32 34 37 40 46 63 78 53 1965 89 71 66 48 37 35 39 43 50 70 65 64 56 1966 66 63 63 58 57 31 31 31 37 64 53 *** *** 1967 82 83 62 56 45 27 34 26 34 47 68 80 54 1968 81 82 69 61 55 47 31 32 31 50 84 77 58 1969 88 81 80 65 51 35 32 30 34 47 72 72 57 1970 79 59 57 42 40 29 32 30 36 39 49 74 47 1971 69 68 56 60 49 35 34 37 36 41 56 70 51 1972 75 90 70 53 61 36 31 32 37 45 61 84 56 1973 90 70 61 46 26 25 25 25 28 38 50 65 46 1974 77 87 72 51 37 26 40 40 38 36 49 82 53 1975 76 73 57 40 34 23 17 20 30 40 60 77 46 1976 75 79 76 54 43 30 28 21 28 54 68 69 52 1977 60 60 51 57 40 22 28 20 31 49 61 67 46 1978 70 70 59 51 33 36 33 31 35 43 62 65 49 1979 70 71 63 53 54 42 35 40 42 43 62 64 53 1980 76 78 69 50 44 37 36 41 43 58 66 65 55 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** 78 71 64 47 36 39 42 54 75 85 *** 1987 74 75 73 58 50 29 39 38 45 66 68 77 58 1988 79 72 63 68 39 30 42 41 38 55 55 65 54 1989 76 74 71 50 40 31 32 30 37 42 68 81 53 1990 85 80 65 58 38 26 33 36 36 54 60 68 53 1991 84 82 79 61 47 37 32 37 41 57 65 83 59 1992 82 74 80 67 71 46 41 42 44 50 66 80 62 1993 84 86 73 60 54 40 39 43 40 52 83 83 61 1994 82 73 69 64 58 39 40 37 44 68 83 81 62 1995 77 76 64 68 55 46 38 38 46 51 55 81 58 1996 86 87 85 74 65 40 40 45 37 55 64 65 62 1997 65 60 59 52 45 38 34 32 40 47 70 88 53 1998 83 75 69 63 56 36 36 43 46 59 60 76 59 1999 81 75 72 59 40 29 42 35 45 51 79 87 58 2000 78 71 56 50 34 34 36 41 46 71 83 92 58 MEAN 78 74 67 58 48 36 35 35 39 51 64 75 55 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 32 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. AVERAGE OF MINIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 64 64 37 37 22 30 26 17 21 22 27 38 34 1962 44 30 *** 36 23 16 13 18 22 24 34 48 *** 1963 42 34 24 62 69 38 16 20 33 26 33 57 38 1964 76 43 31 23 13 13 14 14 16 21 34 55 29 1965 73 48 40 28 21 18 20 21 25 43 40 38 35 1966 41 37 35 35 36 18 15 19 20 38 30 *** *** 1967 35 48 27 32 21 12 18 13 15 24 44 52 28 1968 48 58 36 33 27 23 16 16 16 31 60 55 35 1969 70 61 60 42 28 20 21 19 20 30 33 44 37 1970 57 30 35 24 18 17 17 18 19 21 29 46 28 1971 43 40 31 34 26 20 17 24 20 20 38 42 30 1972 56 71 45 27 29 17 15 18 20 19 37 63 35 1973 68 34 27 21 13 15 15 14 19 19 23 38 26 1974 53 62 52 34 19 17 16 25 20 20 25 56 33 1975 51 47 26 20 17 16 12 13 17 19 28 47 26 1976 37 44 38 30 23 17 17 13 19 31 35 34 28 1977 30 25 24 29 23 15 15 12 21 28 32 30 24 1978 40 39 29 29 15 19 20 18 20 27 31 28 26 1979 42 50 40 28 29 21 18 21 21 30 36 41 31 1980 56 54 35 27 24 21 19 23 23 34 38 44 33 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** 49 32 28 21 12 16 19 24 43 53 *** 1987 36 40 38 25 18 9 14 12 16 39 32 44 27 1988 44 41 27 27 13 10 13 14 14 24 22 36 24 1989 45 46 37 15 14 9 10 10 12 18 33 48 25 1990 57 50 26 18 12 7 11 12 10 23 23 35 24 1991 53 44 42 20 17 13 12 11 16 26 33 54 28 1992 53 35 42 29 33 15 10 15 14 18 31 49 29 1993 60 54 31 25 20 16 18 21 15 21 48 52 32 1994 49 39 32 27 23 15 17 14 18 34 47 45 30 1995 39 38 26 28 21 16 12 16 21 21 19 47 25 1996 57 54 50 31 22 12 14 18 14 22 33 30 30 1997 31 24 27 19 16 13 11 9 13 20 37 58 23 1998 51 39 35 23 20 12 15 16 17 25 27 41 27 1999 49 33 32 22 12 10 17 13 20 27 45 56 28 2000 43 31 21 16 11 13 14 18 18 35 47 72 28 MEAN 50 44 35 28 22 16 15 16 18 26 34 46 29 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 33 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. NO. OF DAYS PRECIPITATION EQUAL OR MORE THAN 5 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 2 0 1 2 0 0 0 0 0 0 0 0 5 1962 0 2 *** 6 0 1 0 0 0 0 1 2 *** 1963 0 0 0 2 2 0 0 0 0 2 0 2 8 1964 0 1 0 0 0 0 0 0 0 0 0 2 3 1965 4 0 3 0 0 0 0 0 0 2 0 0 9 1966 1 1 0 1 0 0 0 0 0 1 0 *** *** 1967 0 3 0 1 0 0 0 0 0 0 2 0 6 1968 1 1 1 2 1 0 0 0 0 1 3 1 11 1969 8 1 4 4 2 0 0 0 0 0 0 1 20 1970 2 0 1 1 0 0 0 0 0 0 0 0 4 1971 0 1 0 4 1 0 0 0 0 0 4 0 10 1972 2 2 8 2 3 0 0 0 0 0 1 2 20 1973 3 2 2 2 1 0 0 0 0 0 0 0 10 1974 7 6 1 1 0 0 2 0 0 0 0 2 19 1975 3 2 2 3 0 1 0 0 0 0 2 7 20 1976 4 4 7 7 4 1 0 0 0 4 1 3 35 1977 5 1 0 4 5 0 0 0 0 2 1 3 21 1978 0 0 0 0 0 0 0 0 0 0 0 0 0 1979 0 0 0 0 0 0 0 0 0 0 0 1 1 1980 3 2 1 0 0 0 0 0 0 0 0 1 7 1981 *** *** *** *** *** *** *** *** *** *** *** *** *** 1982 *** *** *** *** *** *** *** *** *** *** *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** 2 2 3 0 0 0 0 0 3 1 *** 1987 0 1 2 0 0 0 0 0 0 2 0 2 7 1988 0 0 1 1 0 0 0 0 0 0 0 1 3 1989 3 4 1 0 1 1 0 0 0 0 0 3 13 1990 2 2 0 0 0 0 0 0 0 2 0 1 7 1991 1 3 2 1 0 0 0 0 0 0 0 1 8 1992 1 1 5 2 3 0 0 0 0 0 0 1 13 1993 2 4 3 0 2 0 0 0 0 0 2 0 13 1994 0 2 2 1 2 0 0 0 0 3 4 0 14 1995 0 2 1 1 1 0 0 0 0 0 0 0 5 1996 4 4 4 2 0 0 0 0 0 0 0 0 14 1997 0 0 1 0 0 0 0 0 0 0 0 1 2 1998 1 1 5 2 0 0 0 1 0 1 0 1 12 1999 2 1 2 1 0 0 0 0 0 0 3 1 10 2000 2 1 0 1 0 0 0 0 0 2 1 5 12 MEAN 2 2 2 2 1 0 0 0 0 1 1 1 12 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 34 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. HIGHEST AND LOWEST LIMITS FOR 40 YEARS DURING 1961-2000 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. HIG. DRY 03 11.5 14.0 20.0 24.0 27.0 33.0 39.0 32.0 29.0 26.0 17.0 12.0 1 YEAR - DAY 1963-27 1979-14 1970-31 1967-19 1970-24 1977-15 1974- 2 1975- 1 1971- 5 1971-11 1970- 6 1967-15 LOW. DRY 03 -11.5 -12.0 -9.8 0.8 7.0 2.8 2.8 15.0 6.6 1.6 -6.4 -10.0 2 YEAR - DAY 1964- 3 1972- 2 1992-11 1988- 4 1989- 2 1976-16 1976-10 1991-26 1994-22 1987-13 1992-28 1963-27 HIG. WET 03 9.0 9.0 12.6 16.0 20.3 24.5 25.0 20.3 19.0 15.3 12.7 9.0 3 YEAR - DAY 1994- 4 1969-28 1998-29 1961-28 1963-25 1963- 8 1992- 1 1966- 8 1971-10 1965- 7 1965- 8 1968- 4 LOW. WET 03 -11.5 -12.0 -10.8 -1.8 3.0 1.7 1.6 7.2 2.2 -1.2 -7.2 -10.0 4 YEAR - DAY 1964- 3 1972- 2 1992-11 1988- 4 1989- 2 1976-16 1976-10 1991-26 1994-22 1993- 9 1992-28 1963-27 HIG. DRY 09 19.3 23.0 28.0 35.0 40.0 44.0 45.0 45.0 40.0 35.0 28.0 20.4 5 YEAR - DAY 1966-25 1979-13 1968-14 1970- 3 1970-28 1973-23 1973- 5 1973- 1 1979-10 1970- 1 1970- 2 1990- 7 LOW. DRY 09 -5.0 -6.0 0.0 6.0 9.0 21.0 25.8 25.8 18.0 9.0 5.2 -3.3 6 YEAR - DAY 1969- 7 1972- 3 1972-20 1967- 1 1992- 2 1962- 5 1987-28 1992-29 1969-12 1976-31 1999-30 1963-29 HIG. WET 09 12.0 18.0 24.6 24.3 29.0 34.0 33.2 30.1 35.6 25.0 17.0 13.0 7 YEAR - DAY 1968-14 1979-14 1996-31 1963-12 1963-25 1963- 8 1992-13 1964-21 1989- 1 1972-18 1978-16 1967- 6 LOW. WET 09 -7.0 -6.0 -1.4 3.0 8.0 12.0 14.3 13.0 11.0 6.0 0.8 -4.0 8 YEAR - DAY 1972-24 1972- 3 1992-11 1967- 1 1992- 2 1967- 6 1963- 2 1968-30 1969-12 1976-31 1999-30 1963-30 HIG. DRY 15 17.2 20.3 26.0 32.8 38.4 43.2 43.6 43.0 38.0 31.8 26.0 17.4 9 YEAR - DAY 1987-31 1963-23 1970-30 1997-26 1999-31 1989-30 1989- 1 1997-14 1989- 2 1995- 4 1971- 2 1988-12 LOW. DRY 15 -8.0 -8.0 -4.0 6.0 8.2 20.0 24.0 23.0 15.7 9.0 2.3 -7.6 10 YEAR - DAY 1969- 7 1972- 3 1976-11 1967- 1 1992- 6 1967- 5 1972-29 1979-10 1965-29 1976-31 1964-30 1992-30 HIG. WET 15 12.0 12.0 21.0 24.0 28.0 34.0 28.5 26.4 25.6 21.0 15.5 11.4 11 YEAR - DAY 1994- 3 1963-24 1996-31 1963-28 1963-23 1963- 7 1961-11 1995-29 1995- 1 1993- 5 1965- 8 1989- 2 LOW. WET 15 -8.0 -8.0 -6.0 2.8 8.0 10.0 15.0 12.0 9.0 6.0 -1.0 -8.0 12 YEAR - DAY 1969- 7 1972- 3 1976-11 1997-11 1992- 4 1967- 5 1968-15 1968-30 1971-28 1971-13 1993-14 1992-30 HIG. MIN. 11.5 12.0 18.0 21.5 25.0 29.0 37.0 28.5 26.0 21.0 15.0 10.0 13 YEAR - DAY 1963-27 1963-26 1965-12 1967-20 1970-28 1997-13 1974- 2 1971-20 1971- 5 1969- 7 1965- 8 1967-15 LOW. MIN. -12.6 -12.0 -11.0 -0.5 5.0 2.0 2.1 10.0 6.5 0.6 -7.0 -11.0 14 YEAR - DAY 1993-11 1972- 2 1992-11 1967- 2 1979-15 1976-16 1976-10 1974-24 1994-22 1993-10 1992-28 1963-29 HIG. MAX. 23.4 24.0 30.0 36.0 41.5 44.2 46.0 45.5 41.0 36.6 29.0 22.0 15 YEAR - DAY 1987-31 1963-20 1970-30 1970- 3 1999-31 1989-30 1978-19 1997-14 1966- 9 1995- 4 1970- 2 1988-11 LOW. MAX. -5.0 -6.0 0.0 9.0 13.6 27.0 29.2 29.0 20.0 10.0 7.0 -2.0 16 YEAR - DAY 1972-27 1972- 3 1972-20 1967- 1 1992- 2 1961- 8 1987-28 1992-29 1969-12 1976-31 1986-29 1963-26 HIG. PPTN 33.0 35.0 47.0 28.0 35.0 8.0 10.0 5.0 3.8 20.0 35.0 28.0 17 YEAR - DAY 1969-23 1974-26 1974-31 1971- 2 1976-21 1989- 7 1974- 8 1998- 2 1987-21 1976-31 1999- 8 2000- 1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 35 STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. HIGHEST LIMITS OF ABSOLUTE DIFFERENCES FOR 40 YEARS DURING 1961-2000 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. DRY 09 - DRY 03 17.0 18.8 20.8 21.0 20.0 36.2 35.2 22.0 22.4 21.6 21.2 18.0 18 YEAR - DAY 1995-26 1997-18 1988-31 2000-10 1973- 2 1976-16 1976-10 1995-12 1990-13 1996-26 1998- 6 1988- 9 DRY 15 - DRY 09 8.7 8.5 16.3 12.4 12.0 15.0 12.0 15.0 13.0 13.0 12.5 10.0 19 YEAR - DAY 1964-29 1976- 7 1965-13 1990-29 1969- 4 1972-23 1972-29 1971-19 1971- 9 1965- 4 1964-27 1974-15 DRY 15 - DRY 03 14.6 17.2 19.2 21.8 20.2 31.2 31.2 22.8 22.2 19.4 17.8 14.8 20 YEAR - DAY 1997-31 1999-27 2000-17 1990-26 1998- 7 1976-16 1976-10 2000- 3 1991- 3 1992- 4 1998- 6 1998-23 WET 09 - WET 03 11.0 12.4 17.4 13.0 12.0 20.3 19.4 15.4 26.4 19.0 12.4 11.3 21 YEAR - DAY 1964- 8 1997-10 1996-31 1967- 3 1971- 7 1976-16 1976-10 1964-21 1989- 1 1995-30 1996- 2 1974-14 WET 15 - WET 09 8.0 6.0 9.2 8.0 9.8 9.0 15.2 10.0 16.2 12.2 7.4 7.5 22 YEAR - DAY 1974-25 1971-14 1965-13 1978- 3 1963-27 1968-13 1992-13 1964-21 1989- 1 1995-30 1988-14 1974-15 WET 15 - WET 03 10.8 12.6 13.8 12.7 12.2 17.3 17.4 14.0 13.2 12.2 11.0 10.2 23 YEAR - DAY 1987-15 1997-14 1996-31 1966-28 1963-20 1976-16 1976-10 1995-28 1995- 5 1994-14 1996- 2 1995-29 DAY BY DAY DRY 03 9.4 11.4 10.6 10.0 9.2 24.2 27.2 10.2 11.6 12.0 14.2 10.4 24 YEAR - DAY 1999- 2 1998-10 1997-16 1976-30 1988-10 1976-16 1976-10 1995-10 1996- 4 1971-18 1990-14 1996-21 DAY BY DAY WET 03 10.0 10.0 9.4 8.0 8.0 14.3 15.4 7.0 11.0 9.0 13.4 9.4 25 YEAR - DAY 1997-29 1997-19 2000-22 1967- 5 1964-12 1976-16 1976-10 1987-26 1980-26 1971-18 1988-15 1996-21 DAY BY DAY DRY 09 12.6 13.5 15.8 17.0 15.2 10.5 9.0 12.0 12.0 12.0 14.0 17.8 26 YEAR - DAY 1997-28 1976- 8 1965-14 1967-27 1990-12 1962- 5 1978- 8 1971-23 1969-12 1976-30 1971-13 1963-25 DAY BY DAY WET 09 8.0 8.0 12.4 11.0 8.0 9.3 14.4 10.1 18.2 11.6 9.4 10.6 27 YEAR - DAY 1974-18 1980-25 1996-31 1996- 1 1966-31 1963- 9 1992-13 1964-21 1989- 1 1995-30 1993-14 1963-25 DAY BY DAY DRY 15 10.6 10.1 12.0 16.6 15.6 14.0 13.0 13.0 14.0 10.0 13.4 15.0 28 YEAR - DAY 1997-28 1967- 2 1997- 8 1997-28 1990-12 1967- 5 1972-29 1976-14 1978- 1 1971-14 1992-26 1963-25 DAY BY DAY WET 15 8.0 8.0 8.0 11.6 10.0 10.6 7.5 9.0 6.0 10.8 12.0 11.4 29 YEAR - DAY 1974-26 1974- 4 1969-23 1996- 3 1963-27 1961- 7 1961-22 1971-23 1980-20 1993- 6 1993-14 1963-25 DAY BY DAY MIN. 10.0 9.9 10.5 9.0 9.0 20.0 19.9 9.0 11.0 8.5 13.6 9.0 30 YEAR - DAY 1997-29 1987- 7 2000-22 1988- 8 1969-28 1976-17 1976-10 1974-21 1980-26 1999-14 1990-14 1990-20 DAY BY DAY MAX. 13.2 12.5 15.0 12.0 12.0 8.0 8.0 7.0 10.0 11.0 15.0 16.0 31 YEAR - DAY 1997-28 1996-27 1965-14 1966-22 1980-13 1962-10 1978-19 1968-18 1969-12 1976-30 1971-13 1963-25 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MEAN AND EXTREMES FOR THE YEAR 1961 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 4.4 7.2 11.7 16.7 25.7 29.1 31.6 28.9 26.0 18.3 12.0 9.0 18.4 AVERAGE OF MINIMUM TEMPERATURE IN C. -0.4 1.5 5.1 10.4 18.3 21.5 23.7 21.1 18.3 10.6 4.9 3.1 11.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.1 13.0 18.3 22.9 33.1 36.7 39.6 36.7 33.8 26.0 19.1 14.9 25.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.5 11.5 13.2 12.5 14.8 15.2 15.9 15.6 15.6 15.4 14.2 11.8 13.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.41 3.89 3.76 5.25 5.74 7.72 9.18 7.04 5.90 4.09 3.24 3.36 5.21 MEAN OF MIXING RATIO AT 09 GMT. 4.58 5.88 5.06 6.13 6.64 13.16 11.47 6.57 6.67 4.60 3.99 4.19 6.58 MEAN OF MIXING RATIO AT 15 GMT. 4.66 5.33 4.89 6.34 6.97 12.79 11.63 6.62 6.69 4.88 4.37 4.23 6.62 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.0 -5.5 -1.5 2.0 12.0 14.0 20.0 18.0 14.0 4.5 -4.0 0.0 -6.0 DAY 9 3 5 17 1 10 2 29 27 27 26 17 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.0 19.0 26.0 33.0 37.0 40.0 42.0 40.0 40.0 32.0 25.0 19.0 42.0 DAY 1 12 24 28 25 20 8 7 1 1 5 5 24 HOUR MAXIMUM PRECIPITATION IN MM. 12.0 3.0 14.0 6.0 2.0 0.0 0.0 0.0 0.0 0.0 0.2 0.6 14.0 DAY 13 3 13 16 17 ** ** ** ** ** 23 13 MONTHLY TOTAL PRECIPITATION IN MM. 28.7 7.0 19.4 27.3 2.0 0.0 0.0 0.0 0.0 0.0 0.2 1.0 85.6 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 64.4 34.2 0.0 1.4 NO. OF DAYS WITH PRECIPITATION. 5 3 4 11 1 0 0 0 0 0 1 3 28 NO. OF DAYS PRECIPITATION EQUAL 4 3 3 10 1 0 0 0 0 0 0 0 21 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 0 1 0 0 0 0 0 0 0 0 0 3 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 80 80 62 59 37 39 42 39 39 45 51 62 53 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 65 67 42 39 22 33 27 18 21 22 28 39 35 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 75 70 49 47 26 35 29 19 25 31 45 53 42 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 3 2 0 0 0 0 0 0 0 0 2 0 7 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 6 23 29 15 5 0 0 0 78 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 4 28 29 31 31 30 6 0 0 159 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 18 3 1 0 0 0 24 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 11 1 0 0 0 0 0 0 0 6 2 43 DATE OF START AND END FREEZING START = 25 NOV. END = 5 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MEAN AND EXTREMES FOR THE YEAR 1962 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 6.0 9.1 ***** 16.0 23.7 27.5 31.1 29.2 24.3 20.0 10.5 7.9 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. 1.0 3.0 ***** 9.1 16.4 19.6 22.5 21.1 15.7 12.6 4.1 2.7 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.9 15.2 ***** 23.0 31.1 35.5 39.7 37.3 32.8 27.3 16.9 13.1 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.9 12.2 ***** 13.9 14.7 15.9 17.2 16.2 17.1 14.7 12.8 10.4 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.31 3.46 ***** 5.54 6.99 6.28 7.22 7.10 6.51 5.13 3.25 3.89 ***** MEAN OF MIXING RATIO AT 09 GMT. 3.67 3.29 ***** 5.98 6.96 6.13 6.16 7.20 7.12 5.44 4.35 4.55 ***** MEAN OF MIXING RATIO AT 15 GMT. 4.12 4.09 ***** 6.23 6.92 6.00 6.07 7.14 7.52 6.26 4.97 4.85 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. -3.0 0.0 ***** 6.0 11.0 12.0 20.0 17.0 10.0 6.0 -3.0 -2.0 ****** DAY 14 12 ** 19 2 11 15 12 28 12 29 1 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.0 20.0 ***** 29.0 36.0 39.0 43.0 41.0 39.0 32.0 26.0 20.0 ****** DAY 1 5 ** 9 18 15 3 3 3 21 1 21 24 HOUR MAXIMUM PRECIPITATION IN MM. 4.0 10.0 ***** 27.0 2.0 7.0 0.0 0.0 0.0 2.0 5.0 8.0 ****** DAY 23 17 ** 20 6 4 ** ** ** 22 9 12 MONTHLY TOTAL PRECIPITATION IN MM. 8.8 17.5 ***** 89.0 2.5 10.0 0.0 0.0 0.0 3.3 8.3 20.8 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 16.4 63.4 0.0 20.2 NO. OF DAYS WITH PRECIPITATION. 5 5 *** 9 2 2 0 0 0 3 3 7 *** NO. OF DAYS PRECIPITATION EQUAL 3 2 *** 9 1 2 0 0 0 2 3 5 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 *** 4 0 0 0 0 0 0 0 0 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 70 63 *** 59 46 36 34 38 49 48 51 71 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 45 31 *** 38 24 19 14 19 22 24 34 49 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 60 47 *** 46 28 20 15 21 30 38 56 65 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 *** 0 0 0 0 0 0 0 0 0 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 *** 0 0 12 25 20 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 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 *** 0 22 29 31 31 22 8 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 *** 0 0 0 16 6 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. 12 2 *** 0 0 0 0 0 0 0 9 5 *** DATE OF START AND END FREEZING START = 17 NOV. END = 23 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MEAN AND EXTREMES FOR THE YEAR 1963 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 9.4 11.9 13.5 19.3 21.8 29.7 32.8 31.2 26.7 21.5 12.6 4.6 19.6 AVERAGE OF MINIMUM TEMPERATURE IN C. 3.6 6.1 6.6 12.7 15.2 21.5 25.1 23.1 18.0 14.3 6.3 0.1 12.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 15.2 17.8 20.5 25.9 28.5 37.8 40.6 39.2 35.5 28.7 18.8 9.1 26.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.6 11.7 13.9 13.2 13.3 16.3 15.5 16.1 17.5 14.4 12.5 9.0 13.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.10 4.03 3.77 8.73 11.87 13.67 8.40 8.58 7.75 5.74 4.22 3.40 7.02 MEAN OF MIXING RATIO AT 09 GMT. 4.35 4.01 3.51 13.31 17.52 16.36 8.19 9.04 11.98 6.61 4.59 3.96 8.62 MEAN OF MIXING RATIO AT 15 GMT. 4.72 4.56 3.98 12.68 16.73 17.65 7.56 8.16 11.16 6.68 4.92 3.84 8.55 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -1.0 -0.1 -1.3 9.0 9.0 19.0 21.0 20.0 15.0 9.0 -0.3 -11.0 -11.0 DAY 6 9 8 16 3 13 1 29 11 30 30 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 19.0 24.0 27.0 31.0 34.0 41.0 44.0 42.0 39.0 33.0 25.0 20.0 44.0 DAY 29 20 25 9 24 3 18 13 3 2 1 23 24 HOUR MAXIMUM PRECIPITATION IN MM. 3.0 2.0 2.0 16.0 5.0 0.0 0.0 0.0 0.0 17.0 3.0 14.0 17.0 DAY 4 1 20 25 2 ** ** ** ** 6 4 26 MONTHLY TOTAL PRECIPITATION IN MM. 6.0 7.5 3.4 30.0 21.2 0.0 0.0 0.0 0.0 31.3 3.2 26.1 128.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 13.1 39.8 0.0 47.1 NO. OF DAYS WITH PRECIPITATION. 2 6 4 7 8 0 0 0 0 3 2 7 39 NO. OF DAYS PRECIPITATION EQUAL 2 5 2 4 7 0 0 0 0 2 1 5 28 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 2 0 0 0 0 0 2 0 1 5 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 73 62 55 80 88 68 36 42 51 49 60 76 62 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 43 35 25 64 72 40 18 22 33 26 33 58 39 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 57 47 33 73 81 46 17 21 38 36 50 69 47 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 6 6 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 21 31 28 4 0 0 0 84 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 2 13 30 31 31 29 14 0 0 150 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 22 16 0 0 0 0 42 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 6 4 2 0 0 0 0 0 0 0 2 12 26 DATE OF START AND END FREEZING START = 29 NOV. END = 9 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MEAN AND EXTREMES FOR THE YEAR 1964 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -2.2 7.4 14.7 17.2 25.5 30.6 33.2 31.7 26.1 17.9 12.0 2.8 18.1 AVERAGE OF MINIMUM TEMPERATURE IN C. -6.9 1.5 8.3 10.3 17.3 22.2 24.7 22.7 17.2 9.7 5.5 -2.2 10.9 AVERAGE OF MAXIMUM TEMPERATURE IN C. 2.6 13.3 21.2 24.0 33.7 39.0 41.7 40.6 35.1 26.0 18.4 7.8 25.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.5 11.8 12.9 13.7 16.4 16.8 17.0 17.9 17.9 16.3 12.9 10.0 14.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.44 3.60 4.36 4.29 4.38 6.60 7.85 7.32 5.69 3.84 4.03 2.78 4.76 MEAN OF MIXING RATIO AT 09 GMT. 3.64 3.87 4.61 4.29 4.45 6.20 7.59 7.50 5.66 4.22 4.53 3.51 5.01 MEAN OF MIXING RATIO AT 15 GMT. 3.02 4.36 4.80 4.67 4.23 5.54 6.88 6.34 6.11 4.68 5.07 3.66 4.95 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.0 -4.0 2.0 6.0 9.0 20.0 23.0 19.0 12.5 4.0 -4.0 -6.0 -12.0 DAY 3 1 1 11 2 2 1 27 27 30 30 14 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.0 19.0 28.0 32.0 37.0 42.0 45.0 44.0 39.0 34.0 25.0 13.0 45.0 DAY 27 22 27 29 9 15 11 10 1 3 8 6 24 HOUR MAXIMUM PRECIPITATION IN MM. 2.0 8.0 4.0 3.2 0.0 0.0 0.0 0.0 0.0 0.0 2.3 12.0 12.0 DAY 19 3 1 9 ** ** ** ** ** ** 25 13 MONTHLY TOTAL PRECIPITATION IN MM. 2.2 15.6 14.0 8.2 0.0 0.0 0.0 0.0 0.0 0.0 4.4 17.3 61.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 51.5 13.3 0.0 35.2 NO. OF DAYS WITH PRECIPITATION. 2 6 9 8 0 0 0 0 0 0 3 3 31 NO. OF DAYS PRECIPITATION EQUAL 1 4 6 3 0 0 0 0 0 0 2 2 18 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 0 0 0 0 0 0 0 0 1 1 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 89 73 56 47 28 32 34 36 40 46 61 75 51 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 80 44 32 27 14 15 16 17 17 21 34 55 31 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 86 59 38 32 15 14 15 15 21 31 52 73 38 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 26 1 0 0 0 0 0 0 0 0 1 8 36 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 1 3 28 31 27 2 0 0 0 92 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 10 0 0 0 0 0 0 0 0 0 0 0 10 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 3 26 30 31 31 30 6 0 0 157 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 12 26 21 0 0 0 0 59 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 0 0 0 0 0 2 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 31 6 0 0 0 0 0 0 0 0 2 28 67 DATE OF START AND END FREEZING START = 29 NOV. END = 28 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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. 2.8 7.7 13.2 17.6 25.5 29.8 32.2 30.8 25.6 19.9 14.8 8.6 19.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -0.7 1.5 7.2 10.9 17.3 21.4 24.3 22.1 17.5 13.7 8.9 2.7 12.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.3 14.0 19.2 24.3 33.6 38.1 40.2 39.5 33.6 26.1 20.6 14.5 25.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 7.0 12.5 12.0 13.4 16.3 16.7 15.9 17.4 16.1 12.4 11.7 11.8 13.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.71 3.49 4.78 4.37 5.52 6.90 8.65 8.29 6.89 7.59 5.33 3.50 5.75 MEAN OF MIXING RATIO AT 09 GMT. 4.46 4.59 5.68 5.57 6.53 7.45 9.47 9.35 7.81 9.20 6.24 3.87 6.68 MEAN OF MIXING RATIO AT 15 GMT. 4.27 4.55 5.58 5.59 6.63 7.29 9.08 8.96 8.08 9.34 6.65 3.91 6.66 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -5.0 -3.0 0.0 4.0 10.0 19.0 22.0 20.0 12.0 6.7 4.0 -3.0 -5.0 DAY 23 3 18 6 4 7 18 11 30 28 11 23 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 10.0 20.0 27.0 32.0 38.0 40.0 44.0 42.0 38.0 33.0 25.0 21.0 44.0 DAY 11 28 11 25 17 4 14 4 1 16 4 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 12.0 4.0 12.0 1.0 0.5 0.0 0.0 0.0 2.0 10.0 3.0 0.2 12.0 DAY 20 14 2 20 2 ** ** ** 29 30 9 28 MONTHLY TOTAL PRECIPITATION IN MM. 47.9 4.0 30.6 1.8 0.5 0.0 0.0 0.0 5.6 26.5 5.0 0.2 122.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 67.6 1.9 4.6 26.0 NO. OF DAYS WITH PRECIPITATION. 11 1 8 4 1 0 0 0 4 9 2 1 41 NO. OF DAYS PRECIPITATION EQUAL 10 1 5 1 0 0 0 0 3 5 2 0 27 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 1 0 0 0 0 0 0 1 0 0 3 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 87 70 65 46 37 35 39 43 49 68 63 63 55 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 74 48 43 30 22 19 21 21 26 43 40 38 35 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 84 57 47 35 25 19 21 23 32 55 58 51 42 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 2 0 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 5 21 31 27 3 0 0 0 87 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 5 26 30 31 31 26 8 0 0 157 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 17 21 0 0 0 0 42 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. 21 11 1 0 0 0 0 0 0 0 0 5 38 DATE OF START AND END FREEZING START = 19 DEC. END = 18 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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. 10.1 11.5 13.6 18.8 24.2 30.8 31.7 31.7 27.0 18.9 12.7 ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. 4.2 5.9 7.4 12.1 17.2 22.3 23.5 23.0 19.2 12.8 5.3 ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 16.1 17.1 19.8 25.4 31.2 39.3 39.9 40.3 34.8 25.1 20.0 ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.9 11.2 12.4 13.3 14.0 17.0 16.4 17.3 15.6 12.3 14.7 ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.95 4.18 4.71 5.77 8.17 6.22 6.44 6.20 5.79 6.52 3.39 ***** ***** MEAN OF MIXING RATIO AT 09 GMT. 4.60 4.49 5.03 7.24 10.69 8.41 6.98 8.55 6.79 7.43 4.46 ***** ***** MEAN OF MIXING RATIO AT 15 GMT. 4.51 4.88 5.40 7.52 11.37 8.01 6.87 9.15 7.30 7.50 4.54 ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. 1.0 2.0 1.5 6.0 12.0 18.0 19.0 21.0 15.0 10.0 -2.0 ***** ****** DAY 18 9 24 5 7 1 8 16 5 18 30 ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 20.0 23.0 25.0 32.0 38.0 42.0 44.0 43.0 41.0 31.0 25.0 ***** ****** DAY 9 25 10 16 24 10 24 3 9 1 1 ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 7.5 13.0 4.4 5.0 4.3 0.0 2.0 0.2 0.0 6.0 0.0 ***** ****** DAY 31 2 1 22 6 ** 10 8 ** 14 ** ** MONTHLY TOTAL PRECIPITATION IN MM. 8.4 13.0 13.1 6.0 8.4 0.0 2.0 0.2 0.0 13.0 0.0 ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 53.8 22.5 3.4 20.3 NO. OF DAYS WITH PRECIPITATION. 3 1 7 2 4 0 1 1 0 7 0 *** *** NO. OF DAYS PRECIPITATION EQUAL 1 1 5 2 3 0 1 0 0 4 0 *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 0 0 0 0 0 0 0 0 0 *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 66 63 62 55 55 30 30 31 37 63 52 *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. 42 39 37 37 38 20 16 20 21 39 30 *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. 51 49 45 44 46 20 17 22 25 48 44 *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 6 23 27 31 10 0 0 *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 6 21 30 31 31 30 3 0 *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 14 20 19 3 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. 0 0 0 0 0 0 0 0 0 0 2 *** *** DATE OF START AND END FREEZING START = 29 NOV. END = 30 NOV. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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. 6.3 6.3 12.0 17.3 24.5 28.2 32.5 31.1 26.5 19.4 13.8 7.8 18.8 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.4 1.1 5.2 10.8 17.2 20.1 24.9 22.5 18.5 12.4 8.6 2.5 12.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 12.3 11.5 18.8 23.8 31.7 36.2 40.2 39.7 34.5 26.5 19.0 13.1 25.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.9 10.4 13.6 13.1 14.5 16.1 15.3 17.2 16.0 14.1 10.4 10.6 13.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.83 4.02 3.96 5.12 6.77 5.13 8.04 5.22 5.38 4.87 5.07 4.17 5.13 MEAN OF MIXING RATIO AT 09 GMT. 3.28 4.06 4.07 6.04 6.36 5.21 8.62 6.88 5.39 5.20 6.40 5.43 5.58 MEAN OF MIXING RATIO AT 15 GMT. 3.21 3.87 3.63 5.48 6.30 4.55 8.07 5.47 4.64 5.41 5.97 4.05 5.06 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -3.5 -6.5 -1.5 -0.5 12.0 11.0 22.0 18.5 14.0 7.0 1.0 -2.5 -6.5 DAY 28 4 1 2 1 6 15 28 26 24 30 2 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 20.0 18.0 25.0 30.5 37.0 40.0 45.0 42.0 40.0 30.0 27.5 20.0 45.0 DAY 14 11 17 24 25 17 7 11 5 1 1 14 24 HOUR MAXIMUM PRECIPITATION IN MM. 0.5 9.5 3.5 8.0 3.0 0.0 0.0 0.0 0.0 0.0 8.0 0.0 9.5 DAY 30 12 8 5 15 ** ** ** ** ** 20 ** MONTHLY TOTAL PRECIPITATION IN MM. 0.5 29.5 4.0 15.0 5.0 0.0 0.0 0.0 0.0 0.0 20.5 0.0 74.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 45.6 26.8 0.0 27.5 NO. OF DAYS WITH PRECIPITATION. 1 6 2 5 4 0 0 0 0 0 5 0 23 NO. OF DAYS PRECIPITATION EQUAL 0 4 1 5 2 0 0 0 0 0 5 0 17 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 81 82 61 54 44 27 34 25 34 47 64 79 53 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 37 49 29 35 23 14 19 15 17 24 46 56 30 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 46 56 33 38 26 13 19 14 17 32 56 56 34 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 2 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 1 5 14 31 24 3 0 0 0 78 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 4 22 29 31 31 27 2 0 0 146 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 3 18 19 1 0 0 0 41 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 0 0 0 0 0 1 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 21 8 2 1 0 0 0 0 0 0 0 10 42 DATE OF START AND END FREEZING START = 1 DEC. END = 2 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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. 5.9 5.7 12.3 17.5 23.2 28.1 31.3 31.0 27.1 20.5 12.5 8.1 18.6 AVERAGE OF MINIMUM TEMPERATURE IN C. 1.4 0.9 6.1 10.9 16.3 20.2 23.0 23.0 18.7 13.6 7.6 3.5 12.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.4 10.5 18.4 24.0 30.1 36.0 39.7 39.0 35.6 27.4 17.3 12.7 25.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.0 9.6 12.3 13.1 13.8 15.8 16.7 16.0 16.9 13.8 9.7 9.2 13.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.97 4.10 4.89 5.93 7.83 8.18 6.86 6.62 4.96 5.41 6.43 4.38 5.80 MEAN OF MIXING RATIO AT 09 GMT. 4.29 4.99 5.57 6.66 7.20 9.18 7.61 7.73 5.94 6.86 7.67 5.22 6.58 MEAN OF MIXING RATIO AT 15 GMT. 3.62 4.27 4.40 6.38 6.83 9.47 7.44 6.88 5.47 6.67 7.57 5.00 6.17 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -4.0 -6.5 -4.0 5.5 11.0 16.0 18.0 17.0 14.0 7.5 4.0 -1.0 -6.5 DAY 20 6 23 5 1 2 15 30 19 29 23 24 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.0 22.0 28.0 33.0 36.0 41.0 43.0 44.0 39.5 34.0 21.5 18.0 44.0 DAY 5 29 14 18 21 29 5 17 5 4 15 3 24 HOUR MAXIMUM PRECIPITATION IN MM. 5.0 7.0 5.0 9.0 9.0 1.0 0.0 0.0 0.0 5.0 13.0 6.0 13.0 DAY 25 23 30 2 29 5 ** ** ** 31 1 8 MONTHLY TOTAL PRECIPITATION IN MM. 11.0 15.6 8.0 18.0 18.0 2.0 0.0 0.0 0.0 11.0 29.5 13.5 126.6 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 27.3 30.0 0.0 42.7 NO. OF DAYS WITH PRECIPITATION. 5 6 2 3 7 2 0 0 0 4 7 6 42 NO. OF DAYS PRECIPITATION EQUAL 3 4 2 3 6 2 0 0 0 4 6 6 36 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 0 0 0 0 0 0 0 1 0 1 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 81 80 68 61 54 42 31 32 31 48 83 75 57 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 52 64 42 35 27 25 17 17 16 32 60 56 37 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 54 64 38 42 31 31 19 18 19 39 70 67 41 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 1 5 1 0 0 0 0 0 0 0 0 0 7 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 11 27 25 5 0 0 0 68 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 5 17 30 31 31 30 15 0 0 159 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 16 14 0 0 0 0 34 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 10 12 3 0 0 0 0 0 0 0 0 2 27 DATE OF START AND END FREEZING START = 24 DEC. END = 25 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MEAN AND EXTREMES FOR THE YEAR 1969 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 1.5 4.3 13.1 17.0 24.0 29.5 31.0 29.2 24.1 20.9 10.1 8.8 17.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.7 0.3 8.5 10.8 16.8 21.2 23.5 21.5 15.7 14.1 3.9 3.4 11.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.8 8.4 17.6 23.1 31.1 37.7 38.5 36.9 32.4 27.7 16.2 14.2 24.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.5 8.2 9.1 12.3 14.3 16.5 15.0 15.4 16.7 13.6 12.3 10.8 12.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.42 3.70 6.38 6.51 7.50 7.33 7.40 5.91 4.85 5.55 4.29 4.07 5.57 MEAN OF MIXING RATIO AT 09 GMT. 4.13 4.64 7.77 7.36 8.06 8.03 9.07 7.23 6.17 6.92 4.10 4.58 6.50 MEAN OF MIXING RATIO AT 15 GMT. 3.89 4.20 7.43 6.90 8.28 7.96 8.84 6.84 5.71 6.72 4.46 4.48 6.31 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -9.5 -7.5 1.0 4.0 11.0 16.0 20.0 17.0 10.0 7.5 -3.5 0.0 -9.5 DAY 8 5 24 15 2 1 8 30 15 31 19 16 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 13.5 22.0 25.0 31.0 38.0 42.5 43.0 42.0 39.5 36.0 23.5 20.0 43.0 DAY 17 27 29 2 26 29 15 4 9 10 1 5 24 HOUR MAXIMUM PRECIPITATION IN MM. 33.0 5.0 10.0 20.0 7.5 0.0 0.0 0.0 2.0 1.5 3.0 7.0 33.0 DAY 23 21 15 11 6 ** ** ** 12 26 3 27 MONTHLY TOTAL PRECIPITATION IN MM. 120.0 7.0 42.0 55.5 19.5 0.0 0.0 0.0 2.0 2.5 4.0 12.5 265.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 63.8 28.3 0.8 7.2 NO. OF DAYS WITH PRECIPITATION. 12 4 11 8 5 0 0 0 1 3 2 4 50 NO. OF DAYS PRECIPITATION EQUAL 12 2 9 8 5 0 0 0 1 1 2 3 43 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 4 0 1 2 0 0 0 0 0 0 0 0 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 85 80 79 64 50 35 31 30 34 47 72 71 57 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 76 65 62 44 29 20 21 19 20 30 33 44 39 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 80 68 66 48 35 23 23 20 22 38 51 55 44 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 8 6 0 0 0 0 0 0 0 0 0 0 14 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 4 23 28 21 2 1 0 0 79 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 4 0 0 0 0 0 0 0 0 0 0 0 4 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 3 20 30 31 30 25 9 0 0 148 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 7 15 4 0 0 0 0 26 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 19 8 0 0 0 0 0 0 0 0 6 1 34 DATE OF START AND END FREEZING START = 17 NOV. END = 16 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MEAN AND EXTREMES FOR THE YEAR 1970 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 5.4 10.9 12.8 21.0 26.3 30.0 31.6 31.6 25.1 19.9 15.2 6.5 19.7 AVERAGE OF MINIMUM TEMPERATURE IN C. 1.1 4.6 7.0 13.4 18.7 21.7 24.3 23.6 17.0 12.2 8.9 1.6 12.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.7 17.2 18.7 28.6 34.0 38.4 39.0 39.6 33.1 27.5 21.5 11.3 26.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.6 12.6 11.7 15.2 15.3 16.7 14.7 16.0 16.1 15.3 12.6 9.7 13.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.74 3.66 4.21 4.72 6.55 6.17 7.66 7.05 5.18 4.08 3.98 3.55 5.05 MEAN OF MIXING RATIO AT 09 GMT. 4.42 3.68 4.70 5.66 6.34 7.34 7.79 8.27 5.92 4.93 4.88 4.08 5.67 MEAN OF MIXING RATIO AT 15 GMT. 4.52 3.99 4.77 5.41 5.73 7.08 7.52 8.14 5.56 4.69 4.60 4.15 5.51 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -2.5 -1.5 2.0 6.0 13.0 15.0 20.0 20.0 13.0 6.0 4.5 -3.5 -3.5 DAY 29 20 7 23 8 11 18 26 21 24 30 28 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.0 21.5 30.0 36.0 40.0 43.5 45.0 42.5 37.0 36.0 29.0 19.0 45.0 DAY 24 19 30 3 23 24 31 5 1 1 2 6 24 HOUR MAXIMUM PRECIPITATION IN MM. 5.5 3.0 17.0 6.0 2.0 0.0 2.0 0.0 0.0 0.5 3.5 2.5 17.0 DAY 22 6 13 23 1 ** 18 ** ** 14 28 12 MONTHLY TOTAL PRECIPITATION IN MM. 20.5 6.5 25.0 9.0 2.0 0.0 2.0 0.0 0.0 0.5 3.5 7.2 76.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 68.2 14.4 2.6 14.7 NO. OF DAYS WITH PRECIPITATION. 7 3 3 2 1 0 1 0 0 1 1 4 23 NO. OF DAYS PRECIPITATION EQUAL 6 3 3 2 1 0 1 0 0 0 1 4 21 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 0 0 0 0 0 0 0 0 0 1 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 77 58 57 42 39 29 32 30 36 39 47 70 46 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 58 30 36 24 19 17 18 18 19 21 29 47 28 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 71 42 42 29 22 19 19 20 21 26 38 63 34 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 10 22 30 30 2 0 0 0 94 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 1 15 24 29 31 31 26 8 0 0 165 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 2 11 12 15 0 0 0 0 40 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 0 0 0 0 0 1 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 11 1 0 0 0 0 0 0 0 0 0 9 21 DATE OF START AND END FREEZING START = 15 DEC. END = 20 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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. 5.7 7.2 14.5 17.0 26.4 30.0 32.4 31.2 25.9 18.6 14.7 8.0 19.3 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.1 1.4 8.1 10.7 18.6 22.0 24.2 23.3 17.9 11.8 9.0 3.5 12.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 11.3 12.9 20.9 23.3 34.3 38.0 40.7 39.0 33.8 25.5 20.4 12.4 26.0 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.2 11.5 12.8 12.6 15.7 16.0 16.5 15.7 15.9 13.7 11.4 8.9 13.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.08 3.35 4.29 5.86 8.12 7.48 8.19 7.86 5.69 4.00 4.62 3.86 5.53 MEAN OF MIXING RATIO AT 09 GMT. 3.75 3.89 4.80 5.91 8.84 8.60 7.85 11.13 7.39 5.19 5.75 3.94 6.42 MEAN OF MIXING RATIO AT 15 GMT. 3.94 3.87 4.72 5.56 8.23 8.10 7.68 8.98 6.36 4.43 5.48 3.94 5.94 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.0 -5.5 2.5 6.0 10.0 18.0 20.0 20.0 13.0 6.0 5.0 -3.0 -6.0 DAY 27 15 2 3 7 7 13 1 19 24 13 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.0 20.0 27.0 31.0 38.0 42.0 45.0 42.0 39.5 29.0 29.0 20.0 45.0 DAY 5 22 27 27 28 24 6 6 8 1 2 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 1.0 5.0 4.0 28.0 8.0 0.0 4.0 4.0 0.0 0.5 12.5 4.0 28.0 DAY 14 1 29 2 17 ** 31 2 ** 26 19 20 MONTHLY TOTAL PRECIPITATION IN MM. 1.0 10.5 11.0 75.5 14.5 0.0 4.0 4.0 0.0 0.5 41.5 8.0 170.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 13.2 52.8 4.7 29.3 NO. OF DAYS WITH PRECIPITATION. 1 4 4 8 4 0 1 1 0 1 8 2 34 NO. OF DAYS PRECIPITATION EQUAL 1 4 4 8 4 0 1 1 0 0 8 2 33 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 3 0 0 0 0 0 0 1 0 4 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 66 66 54 59 48 35 34 36 35 36 53 65 49 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 43 41 31 34 26 21 17 26 21 24 39 43 31 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 61 53 39 41 31 22 19 26 26 29 47 59 38 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 5 2 0 0 0 0 0 0 0 0 0 0 7 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 7 23 30 28 8 0 0 0 96 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 31 30 31 31 27 0 0 0 151 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 7 19 13 0 0 0 0 39 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 0 0 0 0 0 2 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 15 11 0 0 0 0 0 0 0 0 0 4 30 DATE OF START AND END FREEZING START = 18 DEC. END = 17 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MEAN AND EXTREMES FOR THE YEAR 1972 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 0.0 1.0 8.9 18.6 20.3 28.6 31.9 28.8 25.7 21.3 11.8 3.0 16.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -3.2 -3.1 4.0 11.9 14.1 20.6 24.3 21.5 17.4 13.3 5.4 -0.5 10.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.2 5.0 13.8 25.3 26.6 36.6 39.5 36.1 34.0 29.3 18.2 6.6 22.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 6.4 8.1 9.8 13.4 12.5 16.0 15.2 14.6 16.6 16.0 12.8 7.1 12.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.42 3.09 4.05 5.65 7.52 7.49 7.20 6.29 5.66 5.02 3.72 3.52 5.14 MEAN OF MIXING RATIO AT 09 GMT. 3.34 4.25 4.61 5.77 6.66 6.80 6.86 7.01 6.76 5.49 5.21 4.35 5.59 MEAN OF MIXING RATIO AT 15 GMT. 3.03 3.87 4.31 5.26 6.65 6.43 7.08 6.39 5.82 4.66 5.29 4.10 5.24 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -8.5 -12.0 -1.5 5.0 10.0 15.0 15.0 16.0 13.0 6.0 3.0 -6.5 -12.0 DAY 24 2 20 2 3 24 7 27 12 31 12 25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.0 13.0 22.0 32.0 33.5 41.0 42.0 42.0 38.5 33.0 24.0 12.0 42.0 DAY 3 15 31 30 28 21 10 17 2 1 7 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 25.0 10.0 17.0 6.0 9.0 4.0 0.0 2.0 0.0 0.0 11.0 15.0 25.0 DAY 29 20 22 2 10 10 ** 4 ** ** 30 6 MONTHLY TOTAL PRECIPITATION IN MM. 45.0 23.0 104.0 21.0 38.0 4.0 0.0 2.0 0.0 0.0 14.0 37.0 288.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 59.7 21.9 0.7 17.7 NO. OF DAYS WITH PRECIPITATION. 7 4 11 6 11 1 0 1 0 0 2 6 49 NO. OF DAYS PRECIPITATION EQUAL 7 4 11 6 11 1 0 1 0 0 2 6 49 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 6 0 0 0 0 0 0 0 1 1 10 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 66 85 68 52 60 36 30 32 37 43 55 81 54 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 63 75 47 27 29 17 15 18 20 21 37 66 36 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 69 80 52 33 39 20 19 21 23 25 57 77 43 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 14 12 0 0 0 0 0 0 0 0 0 8 34 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 17 30 22 3 0 0 0 72 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 7 5 1 0 0 0 0 0 0 0 0 3 16 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 2 8 30 31 31 27 18 0 0 147 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 17 4 0 0 0 0 23 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 25 22 2 0 0 0 0 0 0 0 0 14 63 DATE OF START AND END FREEZING START = 18 DEC. END = 21 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MEAN AND EXTREMES FOR THE YEAR 1973 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 1.2 9.0 10.8 15.0 23.3 29.4 31.1 30.2 25.4 20.3 11.1 4.8 17.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -3.4 3.7 4.7 7.9 14.5 20.6 21.8 21.7 17.7 12.1 3.7 -0.3 10.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. 5.7 14.4 16.9 22.2 32.1 38.2 40.5 38.6 33.1 28.5 18.4 9.9 24.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.1 10.7 12.2 14.3 17.6 17.6 18.7 16.9 15.4 16.4 14.7 10.2 14.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.01 4.07 3.68 3.58 3.26 4.98 5.07 5.14 4.44 4.23 3.09 2.75 3.94 MEAN OF MIXING RATIO AT 09 GMT. 4.19 3.75 3.45 3.89 4.30 6.99 7.82 6.87 6.25 4.87 3.07 3.23 4.89 MEAN OF MIXING RATIO AT 15 GMT. 4.02 4.05 3.77 4.08 3.71 5.84 6.14 5.76 5.60 4.67 3.41 3.43 4.54 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -9.0 1.0 -5.0 3.0 8.0 10.0 17.0 18.0 13.0 7.0 -2.0 -8.0 -9.0 DAY 1 6 10 20 6 8 18 10 27 28 8 13 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.0 23.0 24.0 33.0 36.0 44.0 45.0 45.0 40.0 33.0 27.0 16.0 45.0 DAY 29 19 2 30 27 23 5 1 1 5 2 6 24 HOUR MAXIMUM PRECIPITATION IN MM. 6.0 13.0 10.0 12.0 6.0 0.0 3.0 0.0 0.0 0.0 2.0 2.0 13.0 DAY 16 22 16 17 11 ** 25 ** ** ** 23 9 MONTHLY TOTAL PRECIPITATION IN MM. 23.0 23.0 22.0 22.0 6.0 0.0 3.0 0.0 0.0 0.0 2.0 8.0 109.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 62.4 25.7 2.8 9.2 NO. OF DAYS WITH PRECIPITATION. 5 3 3 3 1 0 1 0 0 0 1 4 21 NO. OF DAYS PRECIPITATION EQUAL 5 3 3 3 1 0 1 0 0 0 1 4 21 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 1 1 0 0 0 0 0 0 0 0 3 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 86 70 58 46 26 25 24 24 28 38 49 58 44 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 71 34 27 21 13 15 15 15 19 19 23 40 26 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 85 50 43 32 16 18 18 17 20 23 32 56 34 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 13 0 2 0 0 0 0 0 0 0 0 5 20 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 15 21 19 3 0 0 0 58 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 4 28 30 31 31 24 12 0 0 160 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 13 19 10 1 0 0 0 43 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 3 1 0 0 0 0 4 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 26 0 2 0 0 0 0 0 0 0 8 17 53 DATE OF START AND END FREEZING START = 7 NOV. END = 10 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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. -0.1 1.8 12.1 17.9 25.6 30.6 31.1 28.4 25.5 17.9 13.3 ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -4.3 -2.2 6.9 11.4 18.0 23.0 24.2 19.7 18.3 10.8 7.0 ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. 4.1 5.7 17.4 24.3 33.2 38.2 38.0 37.0 32.7 24.9 19.5 9.4 23.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.4 7.9 10.5 12.9 15.2 15.2 13.8 17.3 14.4 14.1 12.5 ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.09 3.10 5.43 5.12 5.88 5.26 9.04 8.77 5.66 3.74 3.76 2.91 5.06 MEAN OF MIXING RATIO AT 09 GMT. 3.56 4.32 6.97 5.78 6.28 7.57 6.68 9.98 7.34 4.16 3.80 4.27 5.89 MEAN OF MIXING RATIO AT 15 GMT. 3.29 3.89 6.42 5.55 5.54 6.58 5.86 9.66 6.77 4.17 3.87 4.10 5.47 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -10.0 -7.5 -0.5 4.0 10.0 19.0 18.0 10.0 15.0 7.0 3.0 ***** ****** DAY 26 6 6 1 3 12 8 24 25 14 27 ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 9.0 12.0 27.0 33.0 39.0 43.0 43.0 39.0 38.0 30.0 29.0 16.5 43.0 DAY 3 15 28 23 23 21 1 4 20 30 1 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.0 35.0 47.0 10.0 2.0 0.0 10.0 0.0 0.0 0.0 3.0 23.0 47.0 DAY 31 26 31 10 16 ** 8 ** ** ** 21 5 MONTHLY TOTAL PRECIPITATION IN MM. 56.0 113.5 50.0 12.0 2.0 0.0 25.0 0.0 0.0 0.0 3.0 33.0 294.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 74.5 4.8 8.5 12.2 NO. OF DAYS WITH PRECIPITATION. 12 9 2 2 1 0 4 0 0 0 1 3 34 NO. OF DAYS PRECIPITATION EQUAL 12 9 2 2 1 0 4 0 0 0 1 3 34 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 5 1 1 0 0 1 0 0 0 0 1 10 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 59 77 70 51 37 24 40 40 34 36 49 74 49 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 64 70 53 34 19 18 16 25 22 20 25 61 36 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 72 76 61 38 21 20 17 27 26 25 32 75 41 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 20 9 0 0 0 0 0 0 0 0 0 *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 8 24 26 20 5 0 0 *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 3 2 0 0 0 0 0 0 0 0 0 1 6 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 10 26 30 31 31 26 1 0 0 155 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 13 9 0 0 0 0 0 22 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 21 1 0 0 0 0 0 0 0 0 *** *** DATE OF START AND END FREEZING START = 1 JAN. END = 6 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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. 4.4 6.6 12.0 18.7 23.1 29.1 31.7 27.2 24.1 17.0 8.8 3.3 17.2 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.2 1.6 5.3 10.9 13.9 19.3 20.9 16.8 13.9 7.6 1.9 -2.0 9.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.5 11.6 18.8 26.5 32.2 38.8 42.4 37.6 34.3 26.3 15.6 8.6 25.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.3 10.0 13.5 15.6 18.3 19.5 21.5 20.8 20.4 18.7 13.7 10.6 15.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.30 3.71 3.75 4.27 4.69 5.23 5.01 4.55 5.18 4.25 3.47 3.05 4.21 MEAN OF MIXING RATIO AT 09 GMT. 3.86 4.18 3.66 4.66 5.04 7.40 6.57 5.71 5.94 4.32 3.29 3.74 4.86 MEAN OF MIXING RATIO AT 15 GMT. 3.88 4.23 3.70 4.42 4.50 6.41 6.18 4.91 4.94 4.34 3.58 3.96 4.59 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -3.0 -4.0 2.0 4.0 6.0 14.0 18.0 13.0 10.0 3.0 -3.0 -6.5 -6.5 DAY 22 13 4 4 8 3 11 28 29 31 7 8 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.0 18.0 28.0 34.0 38.0 43.0 45.0 43.0 40.0 32.0 21.0 15.0 45.0 DAY 10 22 27 14 31 28 4 13 7 9 1 20 24 HOUR MAXIMUM PRECIPITATION IN MM. 15.0 8.0 12.0 15.0 0.0 5.0 0.0 0.0 0.0 0.0 6.0 20.0 20.0 DAY 27 21 2 20 ** 2 ** ** ** ** 28 2 MONTHLY TOTAL PRECIPITATION IN MM. 39.0 21.0 26.0 37.0 0.0 5.0 0.0 0.0 0.0 0.0 15.0 76.0 219.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 39.3 19.2 0.0 41.6 NO. OF DAYS WITH PRECIPITATION. 7 4 4 6 0 1 0 0 0 0 3 10 35 NO. OF DAYS PRECIPITATION EQUAL 7 4 4 6 0 1 0 0 0 0 3 10 35 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 1 1 0 0 0 0 0 0 0 2 5 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 72 72 57 40 34 23 17 19 29 40 59 68 44 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 52 47 26 20 17 17 12 14 18 19 29 50 27 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 64 60 35 26 20 19 15 15 18 26 43 67 34 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 1 0 0 0 0 0 0 0 0 0 11 12 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 2 8 14 3 0 0 0 0 27 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 5 22 30 31 31 29 6 0 0 154 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 16 30 12 2 0 0 0 60 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 5 0 0 0 0 0 5 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 12 7 0 0 0 0 0 0 0 0 6 20 45 DATE OF START AND END FREEZING START = 7 NOV. END = 15 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MEAN AND EXTREMES FOR THE YEAR 1976 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 6.0 2.9 6.1 14.9 21.4 27.4 30.3 28.3 25.6 18.7 10.2 6.4 16.5 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.2 -3.3 -0.2 7.3 12.9 18.2 20.4 18.0 16.6 11.6 4.0 0.4 8.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 11.8 9.1 12.4 22.6 29.9 36.7 40.3 38.6 34.5 25.9 16.3 12.4 24.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.6 12.4 12.6 15.3 17.0 18.5 19.9 20.6 17.9 14.3 12.3 12.0 15.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.75 2.96 3.49 4.68 5.91 6.20 6.71 4.88 5.14 5.99 4.23 3.31 4.77 MEAN OF MIXING RATIO AT 09 GMT. 3.41 3.58 3.86 5.42 6.63 7.00 8.02 5.63 6.71 6.35 4.20 3.14 5.33 MEAN OF MIXING RATIO AT 15 GMT. 3.70 3.63 3.88 4.99 6.06 6.43 7.44 5.09 5.82 6.15 4.04 3.49 5.06 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.0 -9.0 -10.0 1.5 7.0 2.0 2.1 14.0 12.0 8.0 1.5 -4.0 -10.0 DAY 2 16 12 6 8 16 10 18 16 19 20 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.0 16.0 21.0 30.0 35.0 42.0 44.0 43.0 38.0 30.0 25.0 21.0 44.0 DAY 5 9 31 14 29 30 31 13 1 1 6 5 24 HOUR MAXIMUM PRECIPITATION IN MM. 15.0 25.0 20.0 20.0 35.0 6.0 0.0 0.0 0.0 20.0 5.0 15.0 35.0 DAY 24 5 21 20 21 7 ** ** ** 31 13 11 MONTHLY TOTAL PRECIPITATION IN MM. 45.0 69.0 74.0 73.0 61.0 10.0 0.0 0.0 0.0 46.0 7.0 35.0 420.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 44.8 34.3 0.0 21.0 NO. OF DAYS WITH PRECIPITATION. 7 7 7 8 6 2 0 0 0 4 2 4 47 NO. OF DAYS PRECIPITATION EQUAL 7 7 7 8 6 2 0 0 0 4 2 4 47 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 4 3 3 1 0 0 0 0 2 0 2 17 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 75 69 69 53 43 30 28 20 28 54 68 68 50 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 37 50 43 31 23 17 17 13 20 31 35 34 29 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 53 64 55 38 28 21 20 15 22 37 42 51 37 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 3 15 7 0 0 0 0 0 0 0 0 1 26 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 7 17 5 0 0 0 0 29 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 1 1 0 0 0 0 0 0 0 0 0 2 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 19 29 31 31 29 8 0 0 148 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 3 22 14 0 0 0 0 39 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 10 22 11 0 0 0 0 0 0 0 0 10 53 DATE OF START AND END FREEZING START = 22 DEC. END = 18 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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.***** ***** ***** ***** ***** 28.6 30.4 28.4 24.8 18.4 14.0 9.1 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. -5.3 -1.5 6.2 9.2 13.7 18.1 19.7 18.1 16.1 10.9 6.2 3.3 9.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** 39.0 41.2 38.6 33.4 25.9 20.6 14.9 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** 20.9 21.5 20.5 17.3 15.0 14.4 11.6 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 1.26 2.59 3.99 5.38 5.47 5.15 6.89 4.80 5.40 5.14 4.47 3.84 4.53 MEAN OF MIXING RATIO AT 09 GMT. 1.89 2.26 3.74 5.55 6.38 6.72 7.51 5.55 7.02 6.03 4.83 3.42 5.07 MEAN OF MIXING RATIO AT 15 GMT. 2.08 2.30 3.58 5.47 5.88 6.01 7.01 4.92 6.34 5.75 4.72 3.52 4.80 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.0 -9.0 1.5 6.0 10.0 12.0 17.0 14.0 12.0 5.0 4.0 -3.0 -12.0 DAY 10 1 8 2 20 3 7 18 16 29 24 15 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** 43.0 44.0 43.0 37.0 35.0 24.0 20.0 ****** DAY ** ** ** ** ** 14 30 13 25 4 9 24 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.0 7.0 4.0 28.0 15.0 2.0 0.0 0.0 0.0 8.5 10.0 10.0 28.0 DAY 5 7 20 1 24 10 ** ** ** 20 13 14 MONTHLY TOTAL PRECIPITATION IN MM. 58.0 9.0 6.0 66.0 51.0 2.0 0.0 0.0 0.0 32.5 11.0 27.0 262.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 27.8 45.3 0.0 26.9 NO. OF DAYS WITH PRECIPITATION. 12 2 2 4 8 1 0 0 0 8 2 5 44 NO. OF DAYS PRECIPITATION EQUAL 12 2 2 4 8 1 0 0 0 8 2 5 44 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 3 1 0 0 0 0 0 1 1 6 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 41 56 51 57 40 22 28 20 31 49 61 66 44 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 41 30 24 29 23 15 16 13 22 28 32 30 25 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 52 36 30 37 28 17 16 14 23 34 40 39 31 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 11 10 0 0 0 0 0 0 0 0 0 0 21 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 5 5 0 0 0 0 12 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** 0 0 0 0 0 0 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** 30 31 31 29 6 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** 17 28 14 0 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** 0 0 0 0 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. 14 15 0 0 0 0 0 0 0 0 0 3 32 DATE OF START AND END FREEZING START = 14 DEC. END = 15 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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. 7.1 8.1 12.4 17.3 24.4 26.7 31.3 29.5 24.2 21.9 12.8 9.7 18.8 AVERAGE OF MINIMUM TEMPERATURE IN C. 2.9 3.3 5.9 10.2 16.3 17.0 23.1 21.6 16.0 15.0 6.2 4.0 11.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 11.4 12.9 18.9 24.3 32.5 36.4 39.4 37.4 32.4 28.8 19.4 15.5 25.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.5 9.6 13.0 14.1 16.2 19.4 16.3 15.8 16.4 13.7 13.2 11.5 14.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.84 4.27 4.37 4.95 4.79 7.14 7.55 6.20 5.06 5.36 4.43 3.93 5.16 MEAN OF MIXING RATIO AT 09 GMT. 3.56 3.86 4.46 5.70 4.98 7.36 9.28 7.38 6.17 6.87 4.80 3.44 5.66 MEAN OF MIXING RATIO AT 15 GMT. 3.84 3.88 4.16 5.35 4.65 6.93 8.74 6.50 5.67 6.74 4.30 3.52 5.36 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -4.0 1.0 0.0 5.0 9.0 12.0 18.0 17.0 10.0 9.5 3.0 2.0 -4.0 DAY 15 7 16 2 4 2 3 30 15 20 26 6 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.0 23.0 28.0 32.0 39.0 41.0 46.0 42.0 39.0 35.0 28.0 20.0 46.0 DAY 1 19 29 11 12 10 19 4 9 7 1 29 24 HOUR MAXIMUM PRECIPITATION IN MM. 2.0 2.0 3.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.0 DAY 4 11 6 ** ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. 2.0 2.0 6.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 100.0 0.0 0.0 0.0 NO. OF DAYS WITH PRECIPITATION. 1 1 3 0 0 0 0 0 0 0 0 0 5 NO. OF DAYS PRECIPITATION EQUAL 1 1 3 0 0 0 0 0 0 0 0 0 5 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 64 69 56 51 33 36 32 31 35 43 62 65 48 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 46 42 33 30 16 20 21 19 20 27 33 28 28 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 57 49 38 37 20 24 23 19 22 34 36 38 33 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 2 0 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 4 1 28 21 2 1 0 0 57 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 3 25 28 29 30 25 12 0 0 152 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 5 14 4 0 0 0 0 23 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 0 0 0 0 0 2 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 4 0 1 0 0 0 0 0 0 0 0 0 5 DATE OF START AND END FREEZING START = 13 JAN. END = 16 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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.***** ***** ***** ***** ***** 26.5 31.1 28.3 ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** 6.0 4.4 8.1 8.5 15.5 20.8 18.1 14.7 14.0 8.0 ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** 37.6 41.5 38.4 ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** 22.1 20.7 20.3 ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 4.38 5.09 4.50 5.49 7.05 7.78 8.45 7.60 6.87 5.27 5.19 4.17 5.99 MEAN OF MIXING RATIO AT 09 GMT. 4.88 6.75 5.13 6.13 7.49 8.57 9.00 8.58 7.68 7.84 6.65 5.35 7.00 MEAN OF MIXING RATIO AT 15 GMT. 4.60 5.90 4.92 5.21 7.02 7.60 8.09 8.82 7.98 6.25 5.01 4.46 6.32 ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** 2.0 1.0 3.0 5.0 10.0 17.0 13.0 9.0 8.0 4.0 ***** ****** DAY ** 11 5 27 15 4 7 28 26 26 24 ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** 43.0 44.0 41.0 ***** ***** ***** ***** ****** DAY ** ** ** ** ** 30 10 1 ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. 0.0 0.0 4.0 1.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 5.0 5.0 DAY ** ** 27 13 10 ** ** ** ** ** ** 27 MONTHLY TOTAL PRECIPITATION IN MM. 0.0 0.0 6.0 1.0 4.0 0.0 0.0 0.0 0.0 0.0 0.0 10.0 21.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 28.6 23.8 0.0 47.6 NO. OF DAYS WITH PRECIPITATION. 0 0 2 1 2 0 0 0 0 0 0 3 8 NO. OF DAYS PRECIPITATION EQUAL 0 0 2 1 2 0 0 0 0 0 0 3 8 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 68 68 61 52 52 42 35 37 40 42 61 63 52 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 44 52 41 31 28 22 18 21 21 33 40 43 33 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 51 58 51 36 37 26 21 31 32 32 38 46 38 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** 0 0 0 0 0 0 0 0 0 0 *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** 0 0 0 0 2 19 2 1 0 0 *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** 0 0 0 *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** 29 31 31 *** *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** 7 31 6 *** *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** 0 0 0 *** *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** 0 0 0 0 0 0 0 0 0 0 *** *** DATE OF START AND END FREEZING START = ** **** END = ** **** IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MEAN AND EXTREMES FOR THE YEAR 1980 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 3.4 5.3 12.5 20.7 24.9 28.8 30.6 29.2 24.4 18.8 15.0 8.7 18.5 AVERAGE OF MINIMUM TEMPERATURE IN C. -0.5 0.3 5.8 13.8 16.9 19.1 20.0 19.0 14.8 12.5 8.5 3.6 11.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.0 10.5 19.2 27.6 33.0 38.4 41.2 39.4 33.8 25.1 21.4 13.3 25.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 8.5 10.2 13.4 13.8 16.1 19.3 21.2 20.4 19.0 12.6 12.9 9.7 14.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.69 3.91 5.03 5.95 6.84 7.05 8.28 9.12 7.04 6.82 6.00 3.86 6.13 MEAN OF MIXING RATIO AT 09 GMT. 4.28 4.51 5.20 6.80 7.61 8.84 10.12 10.76 8.26 7.68 7.01 4.68 7.15 MEAN OF MIXING RATIO AT 15 GMT. 4.15 4.36 5.12 5.65 6.55 7.98 9.30 9.52 7.23 6.03 5.87 4.63 6.37 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -9.0 -7.0 -3.0 7.0 12.0 16.0 17.0 17.0 8.0 10.0 4.0 -5.0 -9.0 DAY 25 3 3 17 17 17 3 23 24 17 9 15 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.0 15.0 27.0 34.0 38.0 43.0 43.0 43.0 37.0 30.0 25.0 20.0 43.0 DAY 2 8 31 8 20 5 6 5 6 1 1 23 24 HOUR MAXIMUM PRECIPITATION IN MM. 12.0 14.0 7.0 2.0 0.0 0.0 0.0 0.0 0.0 0.2 0.0 6.0 14.0 DAY 23 25 19 3 ** ** ** ** ** 30 ** 18 MONTHLY TOTAL PRECIPITATION IN MM. 34.0 26.0 7.0 2.0 0.0 0.0 0.0 0.0 0.0 0.2 0.0 6.0 75.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 89.1 2.7 0.0 8.2 NO. OF DAYS WITH PRECIPITATION. 5 4 1 1 0 0 0 0 0 1 0 1 13 NO. OF DAYS PRECIPITATION EQUAL 5 4 1 1 0 0 0 0 0 0 0 1 12 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 1 0 0 0 0 0 0 0 0 0 0 3 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 73 76 68 48 44 37 36 41 42 58 66 60 54 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 57 55 36 29 25 21 20 23 24 36 42 45 34 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 67 66 48 32 27 26 26 27 28 37 43 58 40 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 5 3 0 0 0 0 0 0 0 0 0 1 9 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 2 7 9 6 0 0 0 0 24 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 9 27 30 31 31 26 3 0 0 157 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 12 31 16 0 0 0 0 59 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 19 11 4 0 0 0 0 0 0 0 0 2 36 DATE OF START AND END FREEZING START = 15 DEC. END = 8 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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 GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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 GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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 GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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 GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MEAN AND EXTREMES FOR THE YEAR 1985 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** ***** ***** NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** *** *** *** *** *** DATE OF START AND END FREEZING START = ** **** END = ** **** IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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.***** ***** 8.0 17.7 21.8 27.8 30.7 28.4 23.9 19.8 10.2 4.4 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** 2.4 11.2 14.4 19.4 21.9 19.6 13.7 11.2 4.2 -1.1 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** 13.7 24.2 29.2 36.1 39.5 37.1 34.1 28.4 16.2 9.8 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** 11.3 13.0 14.8 16.7 17.6 17.5 20.4 17.2 12.0 10.9 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** 4.41 6.88 7.80 8.23 7.11 6.47 4.79 5.27 4.51 3.59 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** 4.57 5.82 6.59 8.56 6.17 6.61 6.47 5.84 4.71 3.88 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** 4.75 6.50 7.08 8.27 5.45 6.01 6.35 5.53 5.08 4.34 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** -4.0 3.6 10.2 16.3 18.0 14.5 11.0 6.0 -2.0 -6.5 ****** DAY ** ** 17 1 5 10 14 13 13 18 14 17 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** 22.0 28.0 35.0 42.0 41.6 40.6 37.5 33.4 28.4 16.8 ****** DAY ** ** 1 16 25 30 30 16 25 3 1 24 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** 40.0 8.0 22.0 0.0 0.1 0.0 0.0 0.0 15.0 24.0 ****** DAY ** ** 8 11 4 ** 22 ** ** ** 29 20 MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** 73.6 19.3 43.3 0.0 0.1 0.0 0.0 0.0 40.5 28.3 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 35.9 30.5 0.0 33.5 NO. OF DAYS WITH PRECIPITATION. *** *** 12 6 6 0 1 0 0 0 6 3 *** NO. OF DAYS PRECIPITATION EQUAL *** *** 7 5 4 0 0 0 0 0 5 2 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** 2 0 2 0 0 0 0 0 2 1 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** 76 70 63 47 36 39 42 54 73 84 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** 53 34 30 25 15 18 21 25 44 54 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** 54 39 33 22 12 16 21 27 54 68 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** 1 0 0 0 0 0 0 0 0 5 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** 0 0 0 6 15 11 0 1 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** 0 0 0 0 0 0 0 0 0 0 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** 0 0 17 30 31 31 29 11 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** 0 0 0 3 14 2 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. *** *** 8 0 0 0 0 0 0 0 6 20 *** DATE OF START AND END FREEZING START = 14 NOV. END = 23 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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. 6.2 8.4 11.1 17.8 24.8 29.7 30.5 30.1 25.0 15.0 12.2 7.0 18.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.7 1.2 4.9 8.9 16.2 20.7 21.8 21.0 16.0 8.7 4.5 0.3 10.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 14.2 15.7 17.3 26.7 33.3 38.7 39.2 39.3 34.1 21.2 19.8 13.7 26.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 15.9 14.5 12.4 17.8 17.1 18.0 17.4 18.3 18.1 12.5 15.3 13.4 15.9 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.01 3.97 4.86 4.99 7.12 5.58 7.61 7.02 5.80 5.22 4.25 3.70 5.26 MEAN OF MIXING RATIO AT 09 GMT. 3.38 4.14 4.65 5.00 6.02 4.44 6.63 6.18 5.34 5.92 4.34 4.11 5.01 MEAN OF MIXING RATIO AT 15 GMT. 3.58 4.30 4.89 5.15 5.84 3.96 5.99 5.10 5.21 5.86 4.49 4.24 4.89 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -5.5 -5.2 -1.7 1.0 9.0 17.0 15.0 16.5 11.2 1.2 -2.4 -6.1 -6.1 DAY 13 12 23 6 8 1 29 24 25 13 30 3 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 23.4 23.2 24.0 34.0 37.0 42.0 44.2 42.2 41.0 34.2 26.0 20.5 44.2 DAY 31 25 9 15 16 29 20 4 6 1 7 11 24 HOUR MAXIMUM PRECIPITATION IN MM. 0.7 5.7 10.1 3.1 2.0 0.0 3.0 0.1 3.8 8.6 2.0 6.0 10.1 DAY 6 27 4 11 5 ** 28 5 21 26 29 24 MONTHLY TOTAL PRECIPITATION IN MM. 0.7 13.2 33.5 3.4 5.6 0.0 5.0 0.1 3.8 32.0 2.9 15.0 115.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 41.1 7.8 7.7 43.3 NO. OF DAYS WITH PRECIPITATION. 1 10 12 3 4 0 2 1 1 13 3 6 56 NO. OF DAYS PRECIPITATION EQUAL 0 4 6 1 3 0 2 0 1 8 1 4 30 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 1 0 0 0 0 0 0 0 0 0 1 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 74 74 73 58 50 29 39 38 45 63 68 76 57 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 37 41 41 26 21 12 17 16 18 41 33 45 29 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 45 46 45 29 21 9 15 12 18 47 41 54 32 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 8 6 0 0 0 0 0 0 0 0 0 4 18 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 2 11 21 16 0 0 0 0 50 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 11 25 30 30 31 27 4 0 0 158 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 6 13 17 1 0 0 0 37 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 22 11 6 0 0 0 0 0 0 0 1 15 55 DATE OF START AND END FREEZING START = 30 NOV. END = 29 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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. 4.8 6.9 12.2 17.5 24.5 28.9 31.6 30.4 25.0 18.3 11.7 6.6 18.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.0 0.8 4.8 10.1 15.7 20.0 22.9 22.1 15.1 9.1 3.3 -0.8 10.2 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.5 12.9 19.6 24.9 33.3 37.8 40.3 38.7 34.8 27.5 20.0 14.1 26.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.5 12.1 14.8 14.8 17.6 17.8 17.4 16.6 19.7 18.4 16.7 14.9 16.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.38 3.44 4.07 6.51 5.32 5.53 8.89 7.87 4.82 4.73 3.50 2.91 5.08 MEAN OF MIXING RATIO AT 09 GMT. 3.51 3.64 3.91 5.41 4.06 4.31 6.79 6.71 4.72 4.90 3.45 3.35 4.56 MEAN OF MIXING RATIO AT 15 GMT. 3.60 3.88 3.70 5.93 3.93 4.06 6.02 5.79 4.95 5.00 3.54 3.44 4.49 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -7.0 -7.0 0.0 0.4 10.0 16.0 18.0 17.0 10.0 6.0 -5.0 -8.6 -8.6 DAY 4 7 6 4 6 1 28 27 28 23 16 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 16.0 20.0 26.0 33.0 39.0 42.2 44.0 43.0 40.0 32.0 27.0 22.0 44.0 DAY 31 29 20 18 28 14 13 12 11 6 2 11 24 HOUR MAXIMUM PRECIPITATION IN MM. 4.4 4.0 5.0 9.6 0.1 0.0 4.0 0.0 0.0 2.8 1.0 6.1 9.6 DAY 18 24 4 13 2 ** 11 ** ** 16 14 17 MONTHLY TOTAL PRECIPITATION IN MM. 9.2 14.3 9.6 26.7 0.2 0.0 6.0 0.0 0.0 2.8 2.0 8.6 79.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 41.7 33.9 7.6 16.9 NO. OF DAYS WITH PRECIPITATION. 8 9 5 9 2 0 2 0 0 1 3 4 43 NO. OF DAYS PRECIPITATION EQUAL 2 4 3 6 0 0 2 0 0 1 1 3 22 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 79 71 63 67 39 30 42 41 38 55 55 65 54 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 47 45 31 29 14 12 17 18 15 25 23 36 26 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 52 48 31 35 14 10 13 14 16 28 29 44 28 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 6 2 0 0 0 0 0 0 0 0 5 6 19 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 1 11 25 22 1 0 0 0 60 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 6 25 30 31 31 28 5 0 0 156 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 4 20 9 1 0 0 0 34 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 22 11 1 0 0 0 0 0 0 0 11 22 67 DATE OF START AND END FREEZING START = 15 NOV. END = 6 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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. 1.3 1.7 11.7 18.7 23.2 29.4 32.3 30.4 24.7 19.4 12.1 7.8 17.7 AVERAGE OF MINIMUM TEMPERATURE IN C. -4.7 -4.0 5.1 9.7 14.2 19.5 23.5 21.0 14.7 9.9 4.2 1.6 9.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.3 7.5 18.4 27.8 32.3 39.3 41.1 39.8 34.7 29.0 20.0 14.0 25.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.0 11.5 13.3 18.1 18.1 19.8 17.6 18.8 20.0 19.1 15.8 12.4 16.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.58 2.65 4.70 4.44 5.08 5.61 6.98 5.63 4.21 3.73 4.31 4.29 4.52 MEAN OF MIXING RATIO AT 09 GMT. 2.70 2.75 4.71 3.45 4.12 4.57 5.78 5.02 5.47 4.04 4.52 4.54 4.31 MEAN OF MIXING RATIO AT 15 GMT. 2.77 3.22 4.88 3.58 4.30 4.36 4.88 4.37 3.94 4.08 4.42 4.77 4.13 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -11.0 -11.0 -1.0 3.0 6.0 15.6 17.2 14.0 7.5 5.0 -1.6 -2.6 -11.0 DAY 31 1 31 1 2 2 31 31 24 24 23 8 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.0 19.0 24.4 33.6 40.0 44.2 45.6 42.4 41.0 35.2 25.0 20.0 45.6 DAY 1 28 25 15 26 30 13 5 2 8 28 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 8.1 9.3 6.0 0.3 5.4 8.0 0.0 0.0 0.0 0.0 4.0 18.6 18.6 DAY 29 22 16 29 7 7 ** ** ** ** 12 4 MONTHLY TOTAL PRECIPITATION IN MM. 30.4 32.4 16.3 0.4 5.6 8.0 0.0 0.0 0.0 0.0 7.2 38.5 138.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 57.0 10.1 0.0 32.9 NO. OF DAYS WITH PRECIPITATION. 9 8 8 2 2 1 0 0 0 0 4 6 40 NO. OF DAYS PRECIPITATION EQUAL 6 6 5 0 1 1 0 0 0 0 4 4 27 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 0 0 0 0 0 0 0 0 1 1 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 76 73 69 49 40 31 32 30 35 42 68 80 52 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 47 48 39 16 17 11 13 12 17 18 34 48 27 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 53 58 42 18 17 10 10 10 13 21 37 57 29 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 16 15 0 0 0 0 0 0 0 0 0 0 31 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 1 10 24 15 0 0 0 0 50 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 9 22 30 31 31 24 13 0 0 160 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 14 21 15 2 0 0 0 53 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 5 0 0 0 0 0 5 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 29 24 1 0 0 0 0 0 0 0 3 13 70 DATE OF START AND END FREEZING START = 11 NOV. END = 31 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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. 3.0 5.7 11.3 17.6 24.6 29.7 31.7 30.9 25.9 18.7 12.7 5.6 18.1 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.9 0.2 4.0 9.1 15.1 19.9 23.3 21.8 14.6 9.9 3.3 -1.7 9.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.0 11.2 18.6 26.0 34.1 39.6 40.2 40.0 37.1 27.4 22.1 12.9 26.4 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.9 11.0 14.6 16.9 19.0 19.7 16.9 18.2 22.5 17.5 18.8 14.6 16.6 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.44 3.62 3.90 4.84 5.02 4.91 6.88 7.02 4.47 4.70 3.60 2.87 4.60 MEAN OF MIXING RATIO AT 09 GMT. 3.65 3.84 3.47 3.68 4.13 3.87 5.60 6.09 3.92 4.74 3.61 3.03 4.14 MEAN OF MIXING RATIO AT 15 GMT. 3.91 4.07 3.71 4.04 3.77 3.38 5.34 5.62 4.04 5.17 3.85 3.29 4.18 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.0 -4.0 -5.0 4.0 11.0 13.0 18.2 18.0 11.0 3.0 -2.8 -10.0 -10.0 DAY 14 1 21 3 15 1 20 8 30 20 15 27 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 14.0 19.0 24.0 34.6 40.8 43.0 44.2 44.0 40.0 33.0 28.0 22.0 44.2 DAY 5 28 8 27 25 29 28 6 6 1 7 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 9.4 10.0 0.6 4.0 0.2 0.0 0.6 0.0 0.0 6.0 0.0 13.0 13.0 DAY 8 10 27 2 12 ** 7 ** ** 27 ** 25 MONTHLY TOTAL PRECIPITATION IN MM. 25.3 27.5 1.0 6.4 0.4 0.0 0.8 0.0 0.0 13.0 0.0 16.0 90.4 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 59.5 7.5 0.9 32.1 NO. OF DAYS WITH PRECIPITATION. 13 8 3 4 2 0 2 0 0 3 0 2 37 NO. OF DAYS PRECIPITATION EQUAL 6 6 0 2 0 0 0 0 0 3 0 2 19 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 0 0 0 0 0 0 0 0 0 1 2 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 82 79 64 56 37 26 32 36 36 52 60 68 52 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 59 52 28 20 15 10 13 15 11 23 23 35 25 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 68 57 33 24 13 8 13 13 12 30 30 45 29 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 9 1 2 0 0 0 0 0 0 0 0 9 21 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 13 28 21 0 0 0 0 62 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 7 28 30 31 31 30 11 0 0 168 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 2 14 17 19 2 0 0 0 54 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 22 16 5 0 0 0 0 0 0 0 10 20 73 DATE OF START AND END FREEZING START = 14 NOV. END = 23 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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. 4.6 4.6 10.9 18.6 22.6 28.3 31.2 29.0 24.7 18.3 11.2 4.6 17.4 AVERAGE OF MINIMUM TEMPERATURE IN C. -0.9 -1.3 5.0 10.2 14.2 19.4 22.4 18.9 14.8 9.9 2.8 -1.5 9.5 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.1 10.5 16.7 26.9 30.9 37.1 40.1 39.1 34.6 26.8 19.5 10.6 25.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.0 11.8 11.7 16.7 16.7 17.7 17.7 20.2 19.8 16.9 16.7 12.1 15.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.60 3.54 5.11 5.74 5.71 6.72 6.54 6.07 4.98 5.14 3.62 3.51 5.02 MEAN OF MIXING RATIO AT 09 GMT. 3.81 3.44 5.05 4.32 4.88 5.25 5.51 4.88 5.40 5.40 4.41 4.10 4.70 MEAN OF MIXING RATIO AT 15 GMT. 4.10 3.49 5.36 4.42 4.91 5.07 5.51 4.70 5.24 5.38 4.31 4.21 4.73 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.0 -9.0 -0.5 3.4 8.0 15.0 19.6 13.5 7.5 5.0 -4.0 -8.0 -9.0 DAY 29 14 11 14 7 2 30 26 28 31 26 20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.0 18.0 24.0 34.5 36.0 41.0 43.5 44.5 40.4 30.4 27.2 16.0 44.5 DAY 31 18 29 22 17 28 7 6 9 27 2 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 7.0 11.0 18.0 13.6 3.0 0.0 0.0 0.0 0.0 2.2 0.8 5.0 18.0 DAY 3 22 25 4 17 ** ** ** ** 16 16 25 MONTHLY TOTAL PRECIPITATION IN MM. 19.4 30.1 40.0 16.6 3.8 0.0 0.0 0.0 0.0 3.5 0.8 15.3 129.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 69.1 15.8 0.0 15.1 NO. OF DAYS WITH PRECIPITATION. 5 7 10 2 2 0 0 0 0 3 1 6 36 NO. OF DAYS PRECIPITATION EQUAL 5 5 5 2 1 0 0 0 0 1 0 4 23 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 1 1 0 0 0 0 0 0 0 0 3 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 83 82 78 61 47 37 32 37 41 57 65 82 59 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 54 48 45 21 20 15 13 12 18 26 34 55 30 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 61 50 51 23 21 13 12 11 17 30 38 65 33 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 4 6 0 0 0 0 0 0 0 0 1 11 22 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 10 25 8 0 0 0 0 43 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 8 23 30 31 31 25 2 0 0 150 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 3 22 13 3 0 0 0 41 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 22 2 0 0 0 0 0 0 0 8 19 75 DATE OF START AND END FREEZING START = 17 NOV. END = 11 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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. 1.6 5.1 7.3 16.5 19.5 27.4 31.4 28.0 22.4 17.8 11.7 5.3 16.2 AVERAGE OF MINIMUM TEMPERATURE IN C. -4.1 -1.8 0.9 9.3 13.0 19.1 22.1 19.6 11.9 8.2 3.4 -0.6 8.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.2 12.0 13.6 23.7 26.0 35.7 40.6 36.4 32.9 27.4 20.0 11.2 23.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.3 13.8 12.7 14.4 13.0 16.6 18.5 16.8 21.0 19.2 16.6 11.8 15.5 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.78 2.97 4.01 5.62 7.83 7.85 8.22 7.10 4.42 3.85 3.85 3.55 5.17 MEAN OF MIXING RATIO AT 09 GMT. 3.20 2.85 3.87 4.92 6.40 6.16 6.87 6.33 4.44 4.02 4.31 4.02 4.78 MEAN OF MIXING RATIO AT 15 GMT. 3.27 3.19 4.27 5.28 6.28 5.92 4.77 5.64 4.01 3.95 4.32 3.98 4.57 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.0 -8.6 -11.0 4.0 5.4 15.0 16.5 15.0 8.0 3.0 -7.0 -10.5 -12.0 DAY 29 17 11 1 5 5 27 21 27 30 28 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 13.0 20.0 23.0 31.0 34.4 41.2 44.0 41.0 38.0 32.0 26.0 17.0 44.0 DAY 19 21 29 22 30 30 5 1 25 4 2 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 6.0 18.0 26.0 15.2 15.3 4.0 0.0 0.0 0.0 0.0 2.0 5.0 26.0 DAY 3 25 9 27 6 4 ** ** ** ** 8 30 MONTHLY TOTAL PRECIPITATION IN MM. 11.4 21.2 61.6 30.2 45.8 4.4 0.0 0.0 0.0 0.0 2.0 8.5 185.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 50.9 43.4 0.0 5.7 NO. OF DAYS WITH PRECIPITATION. 7 4 9 7 12 2 0 0 0 0 1 4 46 NO. OF DAYS PRECIPITATION EQUAL 4 2 7 4 9 1 0 0 0 0 1 2 30 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 1 1 1 0 0 0 0 0 0 0 4 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 80 73 79 66 70 46 40 42 44 50 65 79 61 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 56 36 45 31 37 18 16 19 16 19 31 50 31 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 64 45 51 36 38 19 10 16 14 21 37 57 34 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 15 8 6 0 0 0 0 0 0 0 4 4 37 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 7 21 9 0 0 0 0 37 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 3 9 30 31 30 28 6 0 0 137 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 23 4 0 0 0 0 29 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 24 12 0 0 0 0 0 0 0 6 17 87 DATE OF START AND END FREEZING START = 20 NOV. END = 27 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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. 1.4 6.0 9.8 17.9 22.2 28.0 30.3 29.4 25.5 16.5 8.6 6.5 16.8 AVERAGE OF MINIMUM TEMPERATURE IN C. -3.7 0.4 3.1 10.4 14.5 18.8 21.8 20.7 15.5 7.9 2.6 0.1 9.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 6.5 11.5 16.5 25.4 30.0 37.1 38.7 38.0 35.5 25.0 14.7 12.8 24.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.2 11.1 13.4 15.0 15.5 18.3 16.9 17.3 20.0 17.1 12.1 12.7 15.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.06 4.05 4.03 5.55 6.83 6.88 8.04 7.72 5.17 4.02 4.71 3.81 5.32 MEAN OF MIXING RATIO AT 09 GMT. 3.34 4.37 3.48 4.92 5.40 6.36 8.46 8.72 5.34 3.94 5.00 4.49 5.32 MEAN OF MIXING RATIO AT 15 GMT. 3.63 4.77 3.82 4.91 5.69 6.07 7.84 8.94 5.06 4.83 5.29 4.63 5.46 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.6 -5.5 -3.0 5.6 9.0 14.2 19.0 16.0 11.0 0.6 -5.0 -4.4 -12.6 DAY 11 17 23 30 1 7 3 31 18 10 15 7 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 17.0 20.0 26.0 33.6 36.0 41.6 43.0 42.0 40.0 35.0 22.0 20.0 43.0 DAY 29 28 30 19 17 29 3 14 2 1 11 28 24 HOUR MAXIMUM PRECIPITATION IN MM. 17.8 17.0 9.6 3.8 6.0 0.0 0.0 0.0 0.0 2.0 8.0 2.0 17.8 DAY 8 2 8 26 13 ** ** ** ** 28 27 1 MONTHLY TOTAL PRECIPITATION IN MM. 45.0 64.8 26.3 11.0 12.4 0.0 0.0 0.0 0.0 2.8 25.0 6.2 193.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 70.3 12.1 0.0 17.6 NO. OF DAYS WITH PRECIPITATION. 6 10 6 7 5 0 0 0 0 2 8 4 48 NO. OF DAYS PRECIPITATION EQUAL 5 9 4 4 3 0 0 0 0 1 6 3 35 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 2 4 0 0 0 0 0 0 0 0 0 0 6 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 83 85 72 60 54 40 39 43 40 50 83 83 61 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 61 56 33 29 23 18 21 23 16 21 49 53 34 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 73 62 39 29 26 16 18 22 16 30 58 60 37 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 15 2 0 0 0 0 0 0 0 0 5 2 24 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 2 7 21 16 1 0 0 0 47 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 2 0 0 0 0 0 0 0 0 0 0 0 2 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 4 17 30 31 31 29 3 0 0 145 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 8 9 5 1 0 0 0 23 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 15 6 0 0 0 0 0 0 0 9 17 74 DATE OF START AND END FREEZING START = 15 NOV. END = 26 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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. 6.2 6.7 12.9 18.7 23.2 28.1 31.7 30.9 22.7 17.7 12.4 3.7 17.9 AVERAGE OF MINIMUM TEMPERATURE IN C. 0.2 0.5 5.9 10.4 15.6 19.1 22.9 21.6 13.5 10.0 6.2 -2.0 10.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 12.2 12.9 19.9 26.9 30.9 37.1 40.5 40.2 31.9 25.3 18.6 9.3 25.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.0 12.4 14.0 16.5 15.3 18.0 17.6 18.6 18.4 15.3 12.4 11.3 15.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.93 3.43 4.75 6.17 7.71 6.96 8.42 6.93 5.18 6.41 5.88 3.26 5.75 MEAN OF MIXING RATIO AT 09 GMT. 4.13 3.36 4.50 5.54 6.25 6.39 8.69 6.87 5.24 6.33 6.07 3.37 5.56 MEAN OF MIXING RATIO AT 15 GMT. 4.47 3.69 4.75 6.12 6.23 5.92 8.48 6.85 5.54 6.95 6.29 3.56 5.74 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -6.0 -6.5 0.5 2.0 8.0 8.0 19.2 16.4 6.5 3.0 1.0 -8.0 -8.0 DAY 11 19 18 6 7 6 2 21 22 13 14 8 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 17.6 20.0 27.5 35.5 36.5 41.0 44.5 44.0 36.0 30.0 24.5 16.0 44.5 DAY 30 27 30 22 29 16 17 1 2 14 2 1 24 HOUR MAXIMUM PRECIPITATION IN MM. 4.2 21.0 14.0 14.0 20.0 0.0 0.0 0.0 0.0 9.0 14.0 4.0 21.0 DAY 16 1 12 30 6 ** ** ** ** 18 25 1 MONTHLY TOTAL PRECIPITATION IN MM. 9.6 38.2 25.6 18.6 31.0 0.0 0.0 0.0 0.0 31.6 42.6 4.8 202.0 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 36.3 24.6 0.0 39.1 NO. OF DAYS WITH PRECIPITATION. 6 3 5 9 3 0 0 0 0 9 10 3 48 NO. OF DAYS PRECIPITATION EQUAL 3 2 4 3 3 0 0 0 0 8 8 1 32 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 2 1 1 1 0 0 0 0 0 2 0 7 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 82 72 69 64 58 39 40 37 44 67 82 80 61 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 49 41 33 28 25 18 21 17 19 34 48 46 32 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 59 46 36 34 25 16 18 15 20 41 56 56 35 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 3 2 0 0 0 0 0 0 0 0 0 12 17 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 1 10 28 21 2 0 0 0 62 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 7 19 30 31 31 25 1 0 0 144 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 5 19 17 0 0 0 0 41 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 13 0 0 0 0 0 0 0 0 0 22 51 DATE OF START AND END FREEZING START = 5 DEC. END = 26 FEB. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MEAN AND EXTREMES FOR THE YEAR 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 6.4 8.4 12.6 17.7 22.8 27.7 32.3 31.0 24.5 17.1 11.7 3.8 18.0 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.2 1.1 4.7 10.1 15.2 19.3 23.2 21.0 14.9 7.9 2.4 -2.7 9.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. 14.1 15.7 20.4 25.2 30.5 36.0 41.4 40.9 34.1 26.4 20.9 10.3 26.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 15.3 14.6 15.7 15.1 15.3 16.7 18.2 19.9 19.2 18.5 18.5 13.0 16.7 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.16 3.70 4.09 6.27 7.38 7.89 8.03 7.03 5.78 3.76 3.02 3.01 5.26 MEAN OF MIXING RATIO AT 09 GMT. 3.59 4.21 3.73 5.62 5.80 6.52 6.74 8.12 6.85 4.79 3.11 3.51 5.22 MEAN OF MIXING RATIO AT 15 GMT. 3.59 4.07 3.98 6.25 5.88 6.08 6.47 8.06 6.92 4.23 3.19 3.74 5.21 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -4.6 -2.6 -2.4 3.0 10.0 13.6 19.0 15.4 9.5 1.4 -6.2 -7.4 -7.4 DAY 22 26 7 8 9 1 1 11 22 20 30 1 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 20.2 21.0 26.6 30.0 35.4 41.0 45.4 44.5 38.0 36.6 27.5 17.0 45.4 DAY 31 5 24 30 21 29 16 6 9 4 3 2 24 HOUR MAXIMUM PRECIPITATION IN MM. 3.4 14.2 9.0 8.0 5.0 0.2 0.0 0.0 2.0 0.0 0.0 4.0 14.2 DAY 18 23 17 24 27 2 ** ** 20 ** ** 12 MONTHLY TOTAL PRECIPITATION IN MM. 5.2 23.8 10.8 20.0 12.6 0.2 0.0 0.0 2.0 0.0 0.0 10.5 85.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 46.8 38.5 2.4 12.3 NO. OF DAYS WITH PRECIPITATION. 4 4 2 7 6 1 0 0 1 0 0 4 29 NO. OF DAYS PRECIPITATION EQUAL 1 3 2 6 4 0 0 0 1 0 0 3 20 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 1 0 0 0 0 0 0 0 0 0 0 1 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 77 75 64 67 55 46 38 38 46 49 55 79 57 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 39 42 28 30 24 19 15 19 23 24 20 49 28 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 44 44 30 38 27 18 13 17 23 24 26 58 30 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 4 0 0 0 0 0 0 0 0 0 3 14 21 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 10 26 18 1 0 0 0 55 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 1 20 30 31 31 27 8 0 0 148 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 3 22 22 0 0 0 0 47 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 0 0 0 0 0 2 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 25 12 5 0 0 0 0 0 0 0 11 25 78 DATE OF START AND END FREEZING START = 13 NOV. END = 7 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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. 2.8 7.4 9.4 16.6 23.8 28.9 30.6 29.7 26.9 17.5 9.9 7.6 17.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -2.4 2.1 4.4 9.8 15.6 20.2 22.5 20.2 17.1 8.2 2.1 -0.1 10.0 AVERAGE OF MAXIMUM TEMPERATURE IN C. 8.0 12.8 14.4 23.4 32.0 37.5 38.7 39.2 36.7 26.7 17.7 15.3 25.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.4 10.7 10.0 13.6 16.4 17.3 16.2 19.0 19.6 18.5 15.6 15.4 15.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.28 4.51 5.08 6.40 8.17 6.98 7.86 7.57 5.24 4.40 3.44 3.11 5.50 MEAN OF MIXING RATIO AT 09 GMT. 3.60 4.67 5.18 5.20 6.37 5.50 6.51 8.23 5.28 4.40 4.22 3.24 5.20 MEAN OF MIXING RATIO AT 15 GMT. 3.93 4.95 5.68 6.19 6.81 5.00 6.29 8.02 5.24 4.69 4.25 3.40 5.37 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -7.8 -2.0 -1.6 5.0 11.0 16.0 18.0 15.8 13.0 3.0 -5.0 -6.0 -7.8 DAY 15 14 1 4 1 18 18 5 28 20 19 3 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 15.4 19.8 27.0 31.0 38.0 42.0 42.0 42.0 40.0 32.0 23.5 21.6 42.0 DAY 8 20 31 22 31 4 3 10 10 14 3 27 24 HOUR MAXIMUM PRECIPITATION IN MM. 7.6 17.2 20.0 23.5 2.0 2.0 0.4 0.0 0.0 3.0 3.0 1.0 23.5 DAY 6 5 2 3 12 26 10 ** ** 16 16 22 MONTHLY TOTAL PRECIPITATION IN MM. 30.8 57.3 64.4 38.1 6.2 2.0 0.4 0.0 0.0 3.0 3.0 1.0 206.2 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 74.0 22.5 0.2 3.4 NO. OF DAYS WITH PRECIPITATION. 9 12 14 8 5 1 1 0 0 1 1 1 53 NO. OF DAYS PRECIPITATION EQUAL 6 10 12 6 3 1 0 0 0 1 1 1 41 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 3 1 1 0 0 0 0 0 0 0 0 5 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 85 86 84 72 64 40 40 45 37 55 64 64 61 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 57 55 52 34 24 16 16 21 15 22 34 31 31 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 69 61 61 41 28 14 15 19 16 26 40 40 36 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 13 0 0 0 0 0 0 0 0 0 3 5 21 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 15 22 11 1 0 0 0 49 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 2 18 30 31 31 30 6 0 0 148 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 7 8 13 4 0 0 0 32 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 25 10 2 0 0 0 0 0 0 0 8 19 64 DATE OF START AND END FREEZING START = 13 NOV. END = 6 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MEAN AND EXTREMES FOR THE YEAR 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 6.1 5.5 10.0 17.6 23.3 29.6 33.4 31.0 25.0 20.8 11.3 6.6 18.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.8 -3.1 3.0 9.3 14.8 21.4 24.7 20.6 15.3 11.9 4.4 0.8 10.1 AVERAGE OF MAXIMUM TEMPERATURE IN C. 13.9 14.0 17.0 25.9 31.8 37.9 42.0 41.4 34.7 29.6 18.1 12.4 26.6 DIFFERENCE BETWEEN AVERAGE MAXIMUM 15.7 17.1 14.0 16.6 17.0 16.5 17.3 20.8 19.4 17.7 13.7 11.6 16.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.62 2.36 3.28 4.53 5.66 7.22 7.75 5.75 5.00 4.78 4.37 4.31 4.80 MEAN OF MIXING RATIO AT 09 GMT. 2.93 2.50 3.25 4.00 4.96 5.86 6.60 5.32 4.49 4.94 4.59 4.86 4.52 MEAN OF MIXING RATIO AT 15 GMT. 2.94 2.34 3.35 3.82 4.67 5.48 5.80 4.44 4.34 4.75 4.87 5.07 4.32 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -8.8 -11.2 -6.0 0.4 9.0 16.0 21.0 15.0 10.0 7.0 -1.0 -5.4 -11.2 DAY 29 8 9 12 7 4 14 29 16 30 29 29 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 21.6 21.0 24.0 34.0 39.0 41.0 45.0 45.5 41.0 35.0 25.0 17.0 45.5 DAY 6 22 22 26 28 17 18 14 1 4 5 5 24 HOUR MAXIMUM PRECIPITATION IN MM. 3.2 2.0 7.0 4.0 2.0 4.0 0.0 0.0 0.0 1.0 4.0 10.0 10.0 DAY 28 19 29 5 21 15 ** ** ** 12 3 14 MONTHLY TOTAL PRECIPITATION IN MM. 3.6 2.0 14.2 12.2 4.7 5.1 0.0 0.0 0.0 2.3 12.0 20.0 76.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 26.0 28.9 0.0 45.1 NO. OF DAYS WITH PRECIPITATION. 2 1 6 5 4 4 0 0 0 3 4 6 35 NO. OF DAYS PRECIPITATION EQUAL 1 1 6 4 3 1 0 0 0 2 4 5 27 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 0 0 0 0 0 0 0 0 0 0 0 1 1 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 64 60 57 51 44 38 34 32 40 47 69 88 52 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 34 27 30 22 18 16 15 12 14 20 37 58 25 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 36 28 32 23 19 15 11 9 14 23 45 65 27 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 10 14 1 0 0 0 0 0 0 0 0 2 27 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 1 18 31 15 1 0 0 0 66 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 7 24 30 31 31 29 18 0 0 170 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 6 26 22 3 0 0 0 57 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 2 0 0 0 0 4 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 21 23 8 0 0 0 0 0 0 0 5 14 71 DATE OF START AND END FREEZING START = 16 NOV. END = 15 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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. 3.9 6.5 11.8 19.0 23.4 29.9 32.1 30.9 25.6 18.2 13.8 8.1 18.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.6 0.3 5.0 10.6 15.5 20.9 24.1 22.1 16.0 8.7 4.6 0.2 10.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.3 12.8 18.5 27.3 31.4 38.8 40.2 39.7 35.3 27.7 23.0 16.0 26.7 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.9 12.5 13.5 16.7 15.9 17.9 16.1 17.6 19.3 19.0 18.4 15.8 16.1 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.38 3.42 4.58 6.05 7.40 6.87 7.97 8.49 6.11 4.88 3.73 3.64 5.54 MEAN OF MIXING RATIO AT 09 GMT. 3.51 3.40 4.20 4.99 5.75 5.34 7.06 7.66 6.07 5.14 4.28 4.25 5.14 MEAN OF MIXING RATIO AT 15 GMT. 3.74 3.47 4.30 5.31 5.59 5.25 6.87 6.96 5.91 5.30 4.54 4.36 5.13 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -5.4 -7.0 -3.0 3.0 9.0 17.0 19.0 18.0 12.0 4.0 0.0 -4.0 -7.0 DAY 11 18 3 7 6 3 27 31 17 26 26 6 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 13.0 21.0 26.0 36.0 37.0 43.5 45.0 43.5 40.0 36.0 28.2 21.0 45.0 DAY 27 8 28 16 11 28 11 20 2 1 9 19 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.0 7.0 18.0 7.0 2.0 0.0 0.4 5.0 0.4 5.0 0.4 6.0 18.0 DAY 5 12 1 5 4 ** 30 2 14 11 16 3 MONTHLY TOTAL PRECIPITATION IN MM. 21.6 19.0 52.4 19.2 4.7 0.0 0.6 8.4 0.4 9.4 0.4 6.0 142.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 65.4 16.8 6.6 11.1 NO. OF DAYS WITH PRECIPITATION. 8 8 9 6 6 0 2 3 1 2 1 1 47 NO. OF DAYS PRECIPITATION EQUAL 6 7 8 5 3 0 0 3 0 2 0 1 35 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 2 0 0 0 0 0 0 0 0 0 3 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 82 72 69 63 56 36 36 43 46 59 59 76 58 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 52 42 37 25 23 14 17 19 19 25 27 41 28 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 62 47 39 29 23 13 15 17 18 30 35 48 31 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 9 3 0 0 0 0 0 0 0 0 0 1 13 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 1 20 26 23 1 0 0 0 71 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 12 23 30 31 31 29 10 0 0 166 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 9 19 19 1 0 0 0 48 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 2 0 0 0 0 0 2 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 22 13 5 0 0 0 0 0 0 0 1 20 61 DATE OF START AND END FREEZING START = 26 NOV. END = 7 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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. 5.4 9.3 11.4 18.0 24.7 30.0 30.1 31.0 25.4 20.3 10.5 6.8 18.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -0.4 1.5 4.1 9.4 15.2 20.5 21.6 21.4 15.6 11.2 4.2 0.4 10.4 AVERAGE OF MAXIMUM TEMPERATURE IN C. 11.1 17.2 18.6 26.7 34.3 39.5 38.7 40.5 35.1 29.4 16.8 13.2 26.8 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.5 15.7 14.5 17.3 19.1 19.0 17.1 19.1 19.5 18.2 12.6 12.8 16.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.64 3.79 4.31 5.44 5.45 5.58 8.09 6.75 5.93 4.87 4.92 4.21 5.25 MEAN OF MIXING RATIO AT 09 GMT. 3.78 3.64 4.09 4.88 4.35 4.74 7.55 6.56 6.68 6.14 5.11 4.86 5.20 MEAN OF MIXING RATIO AT 15 GMT. 4.05 3.96 4.02 5.03 4.11 4.20 7.05 5.85 6.67 6.22 5.83 5.20 5.18 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -10.0 -2.0 0.0 2.0 8.0 18.0 17.0 17.5 8.0 7.0 -3.5 -5.0 -10.0 DAY 4 1 7 11 22 7 16 28 29 22 30 1 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 17.0 22.5 26.0 32.0 41.5 42.0 44.0 42.2 39.2 35.0 23.5 20.5 44.0 DAY 31 28 26 30 31 1 4 1 3 6 19 29 24 HOUR MAXIMUM PRECIPITATION IN MM. 24.0 8.0 10.0 5.2 0.0 0.0 2.0 0.0 0.0 1.0 35.0 12.0 35.0 DAY 21 6 2 27 ** ** 14 ** ** 31 8 10 MONTHLY TOTAL PRECIPITATION IN MM. 41.6 14.7 19.7 8.2 0.0 0.0 2.5 0.0 0.0 1.9 60.5 14.5 163.6 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 46.5 5.0 1.5 47.0 NO. OF DAYS WITH PRECIPITATION. 6 4 4 5 0 0 2 0 0 4 4 5 34 NO. OF DAYS PRECIPITATION EQUAL 6 3 4 2 0 0 1 0 0 1 4 2 23 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 1 0 0 0 0 0 0 0 2 1 5 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 80 74 71 59 40 29 42 35 45 50 78 86 57 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 50 34 35 24 15 12 20 15 21 28 46 57 30 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 59 40 36 26 14 10 17 13 22 31 61 66 33 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 4 0 0 0 0 0 0 0 0 0 0 3 7 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 1 15 19 20 1 0 0 0 56 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 5 30 30 31 31 26 19 0 0 172 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 15 16 20 0 0 0 0 52 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 17 12 2 0 0 0 0 0 0 0 1 18 50 DATE OF START AND END FREEZING START = 30 NOV. END = 19 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 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. 4.4 6.8 11.4 20.8 26.1 28.7 31.2 30.4 26.2 17.1 10.3 6.4 18.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.9 -0.7 3.3 12.0 16.9 19.0 22.5 20.9 16.7 9.2 4.3 2.0 10.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 10.8 14.2 19.6 29.7 35.3 38.5 40.0 39.9 35.7 25.0 16.3 10.9 26.3 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.7 14.9 16.3 17.7 18.4 19.5 17.5 19.0 19.0 15.8 12.0 8.9 16.0 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.17 3.11 3.28 5.16 5.09 5.83 7.31 7.49 6.44 5.92 5.02 4.88 5.23 MEAN OF MIXING RATIO AT 09 GMT. 3.17 2.95 3.02 4.39 4.31 5.41 6.89 7.91 6.22 6.40 5.31 5.52 5.12 MEAN OF MIXING RATIO AT 15 GMT. 3.53 3.16 3.24 4.48 4.06 5.34 6.84 8.18 6.27 6.54 5.50 5.69 5.24 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -8.0 -5.0 -4.5 6.0 12.0 14.0 16.0 17.0 12.0 4.0 -1.0 -3.0 -8.0 DAY 15 4 16 2 12 14 28 20 27 30 27 31 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 18.0 20.0 25.0 34.5 40.0 44.0 44.0 43.5 40.6 31.5 24.2 14.6 44.0 DAY 2 24 30 20 26 23 11 3 9 12 4 22 24 HOUR MAXIMUM PRECIPITATION IN MM. 25.0 6.0 2.1 10.4 0.2 0.0 0.0 0.0 3.0 7.7 11.0 28.0 28.0 DAY 28 14 23 21 7 ** ** ** 30 17 6 1 MONTHLY TOTAL PRECIPITATION IN MM. 31.8 7.1 2.2 10.8 0.2 0.0 0.0 0.0 3.0 19.0 18.3 82.7 175.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 23.5 6.3 1.7 68.5 NO. OF DAYS WITH PRECIPITATION. 5 3 2 3 1 0 0 0 1 4 5 9 33 NO. OF DAYS PRECIPITATION EQUAL 3 1 1 1 0 0 0 0 1 4 4 7 22 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 0 0 1 0 0 0 0 0 0 1 3 6 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 78 71 55 49 34 34 36 41 46 69 82 91 57 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 43 33 23 18 13 15 16 19 19 37 48 73 30 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 53 38 26 19 12 13 15 18 19 42 56 79 33 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 9 4 3 0 0 0 0 0 0 0 0 0 16 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 2 8 20 16 0 0 0 0 46 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 14 31 30 31 31 29 2 0 0 168 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 1 13 14 17 2 0 0 0 47 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 20 9 0 0 0 0 0 0 0 4 12 69 DATE OF START AND END FREEZING START = 12 NOV. END = 18 MAR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MEAN AND EXTREMES FOR THE PERIOD 1961 TO 2000 PAGE 1 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPE. IN C. 4.2 6.7 11.5 17.9 23.8 28.9 31.5 29.9 25.2 18.9 12.0 6.5 18.1 SD OF MEAN DAILY TEMPERATURE IN C. 2.72 2.61 1.96 1.39 1.65 1.10 0.83 1.22 1.11 1.55 1.70 1.96 1.65 AVERAGE OF MINIMUM TEMPERATURE IN C. -1.2 0.9 5.1 10.4 15.5 20.1 22.9 21.0 16.1 11.1 5.2 0.8 10.6 AVERAGE OF MAXIMUM TEMPERATURE IN C. 9.5 12.5 17.9 25.2 31.7 37.7 40.1 38.8 34.3 26.8 18.9 12.1 25.5 DIFFERENCE BETWEEN AVERAGE MAXIMUM 10.6 11.7 12.8 14.7 15.9 17.6 17.3 17.9 18.1 15.8 13.8 11.5 14.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 3.29 3.62 4.35 5.48 6.53 6.76 7.60 6.85 5.53 4.99 4.26 3.62 5.24 MEAN OF MIXING RATIO AT 09 GMT. 3.72 3.96 4.52 5.60 6.41 7.05 7.56 7.38 6.32 5.64 4.77 4.13 5.58 MEAN OF MIXING RATIO AT 15 GMT. 3.77 4.02 4.54 5.60 6.23 6.66 7.06 6.83 6.02 5.56 4.82 4.16 5.43 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -12.6 -12.0 -11.0 -0.5 5.0 2.0 2.1 10.0 6.5 0.6 -7.0 -11.0 -12.6 YEAR - DAY 93-11 72- 2 92-11 67- 2 79-15 76-16 76-10 74-24 94-22 93-10 92-28 63-29 93-11 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 23.4 24.0 30.0 36.0 41.5 44.2 46.0 45.5 41.0 36.6 29.0 22.0 46.0 YEAR - DAY 87-31 63-20 70-30 70- 3 99-31 89-30 78-19 97-14 66- 9 95- 4 70- 2 88-11 78-19 24 HOUR MAXIMUM PRECIPITATION IN MM. 33.0 35.0 47.0 28.0 35.0 8.0 10.0 5.0 3.8 20.0 35.0 28.0 47.0 YEAR - DAY 69-23 74-26 74-31 71- 2 76-21 89- 7 74- 8 98- 2 87-21 76-31 99- 8 0- 1 74-31 MONTHLY TOTAL PRECIPITATION IN MM. 24.8 23.1 27.1 23.2 12.3 1.5 1.5 0.4 0.5 8.2 11.1 18.1 151.8 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 49.5 24.4 1.5 24.7 NO. OF DAYS WITH PRECIPITATION. 6 5 6 5 4 1 1 0 0 3 3 4 38 NO. OF DAYS PRECIPITATION EQUAL 5 4 4 4 3 0 0 0 0 2 2 3 27 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 1 1 0 0 0 0 0 0 0 1 5 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 75 73 65 57 47 35 34 35 39 50 63 73 54 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 52 46 37 30 24 18 17 18 19 27 35 47 31 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 62 54 43 35 27 19 17 18 21 32 45 58 36 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 7 4 1 0 0 0 0 0 0 0 1 4 17 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 2 14 24 18 2 0 0 0 60 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 5 22 30 31 31 27 8 0 0 154 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 8 19 13 1 0 0 0 41 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 1 0 0 0 0 0 1 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 19 12 3 0 0 0 0 0 0 0 4 13 51 DATE OF START AND END FREEZING START = 7 NOV. END = 2 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION GHOM LATITUDE 34 38 N DATA PROCESSING CENTER LONGITUDE 50 53 E ELEVATION 928 MET. MEAN AND EXTREMES FOR THE PERIOD 1961 TO 2000 PAGE 2 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE DRY BULB TEMPERATURE. IN C. 4.4 7.0 12.1 18.6 24.9 30.8 33.2 31.6 26.6 19.8 12.4 6.8 19.0 AVERAGE DEW POINT TEMPERATURE. IN C. -2.8 -2.0 -0.0 3.0 4.8 5.8 7.5 6.5 4.1 2.7 0.4 -1.4 2.4 AVERAGE OF MIXING RATIO IN G/KG 3.59 3.86 4.47 5.56 6.39 6.82 7.40 7.01 5.95 5.39 4.61 3.96 5.42 AVERAGE OF VAPOUR PRESSURE HPA 5.19 5.59 6.47 8.05 9.25 9.89 10.74 10.18 8.64 7.81 6.68 5.73 7.85 AVERAGE OF SATURATION DEFICIT IN HPA 3.73 5.16 8.69 14.97 24.29 36.98 42.82 39.02 28.80 16.91 8.78 4.71 19.57 AVERAGE RELATIVE HUMIDITY IN PERCENT 63 57 48 41 33 24 23 24 27 36 48 60 40 AVERAGE OF MAXIMUM RELATIVE HUMIDITY(%) 78 74 67 58 48 36 35 35 39 51 64 75 55 AVERAGE OF MINIMUM RELATIVE HUMIDITY(%) 50 44 35 28 22 16 15 16 18 26 34 46 29 NO. OF DAYS PRECIPITATION EQUAL 2 2 2 2 1 0 0 0 0 1 1 1 12 OR MORE THAN 5 MM.