IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 1 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 MET. AVERAGE OF MEAN DAILY TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MAX-MIN 1961 6.2 7.7 13.0 17.4 27.0 30.0 32.7 29.3 28.2 20.1 13.4 10.1 26.5 1962 7.7 11.6 16.6 19.1 25.5 29.0 31.8 29.0 24.1 20.4 11.4 8.9 24.1 1963 9.8 12.5 14.0 22.0 24.5 31.0 33.1 30.6 26.5 21.9 13.6 6.9 26.2 1964 ****** 9.4 15.9 19.2 26.5 30.9 33.6 32.7 26.4 17.9 13.5 4.2 ****** 1965 6.4 9.7 14.5 19.8 27.4 31.0 32.6 30.6 26.5 23.1 16.5 9.9 26.2 1966 11.5 12.8 14.8 19.8 25.9 31.6 31.9 30.7 27.8 19.8 11.5 8.4 23.5 1967 6.6 7.2 13.0 18.4 25.2 28.9 33.0 30.4 27.4 20.2 14.3 7.4 26.4 1968 7.2 7.7 14.6 19.3 24.5 30.9 31.1 30.5 27.0 21.2 14.4 9.1 23.9 1969 4.2 6.2 17.4 20.1 25.7 31.3 32.6 29.5 25.8 22.3 10.5 9.7 28.4 1970 6.5 11.6 14.0 22.3 27.6 31.7 32.3 33.3 26.0 20.4 16.1 8.0 26.8 1971 6.0 9.3 15.7 20.1 28.3 32.3 32.2 31.7 26.2 19.1 14.8 8.9 26.3 1972 3.1 3.0 11.5 20.5 23.1 31.3 32.2 ****** 27.5 23.2 13.5 4.2 ****** 1973 1.8 10.4 15.6 20.3 26.3 32.6 33.4 29.4 27.1 24.4 15.2 4.1 31.6 1974 ****** 2.4 10.9 19.8 22.7 30.2 32.7 29.0 26.7 15.5 14.8 5.1 ****** 1975 4.4 8.2 9.6 19.1 26.2 30.9 33.8 30.5 25.9 17.9 10.0 3.6 30.2 1976 8.1 4.1 6.8 16.6 25.0 30.2 33.5 30.8 28.2 19.9 8.9 5.6 29.4 1977 ****** ****** ****** ****** ****** 32.6 ****** 30.3 27.2 20.6 11.6 8.2 ****** 1978 5.5 8.5 13.9 21.6 25.0 30.0 31.7 30.1 26.9 21.0 10.5 9.4 26.2 1979 7.0 9.9 13.0 22.7 22.9 30.2 32.9 28.7 25.8 22.1 11.3 6.9 26.0 1980 5.8 7.8 13.1 22.1 26.6 31.0 32.1 31.3 26.2 20.2 15.0 9.1 26.4 1981 ****** 9.2 15.8 21.1 25.3 28.6 32.2 30.4 25.7 19.1 14.9 9.5 ****** 1982 6.5 7.0 12.2 21.9 27.0 31.4 31.5 30.9 26.2 19.9 9.6 4.8 26.7 1983 3.8 7.3 11.0 18.2 27.0 31.4 33.9 32.5 27.6 20.2 17.4 8.2 30.1 1984 5.9 4.6 14.7 20.4 24.3 30.3 32.4 33.1 27.1 18.4 14.7 4.1 29.0 1985 5.7 9.7 10.6 19.3 23.3 31.9 32.7 26.5 26.5 18.4 13.7 9.0 27.0 1986 ****** 9.0 10.1 19.7 26.3 29.8 31.6 29.1 25.8 22.3 12.6 6.4 ****** 1987 7.8 10.6 14.7 21.0 27.4 30.5 31.7 31.7 27.3 17.0 14.4 8.7 23.9 1988 6.5 8.8 14.8 20.5 26.8 31.3 33.4 31.3 27.5 21.3 14.8 9.9 26.9 1989 3.4 4.7 14.3 20.8 24.9 32.1 33.7 30.9 26.7 22.2 14.6 9.6 30.3 1990 5.3 8.0 13.6 20.3 27.8 32.3 32.6 32.7 28.9 20.9 15.6 8.5 27.4 1991 6.5 7.2 13.6 21.6 24.7 30.1 32.4 30.9 26.8 20.4 13.9 8.5 25.9 1992 4.1 8.0 10.0 19.2 22.2 30.5 33.3 28.8 24.9 19.3 14.8 8.5 29.2 1993 4.6 8.9 12.3 20.8 25.9 30.5 32.0 30.6 27.4 18.1 12.0 8.0 27.4 1994 7.8 8.5 15.5 21.2 26.1 31.2 33.4 32.6 23.7 19.8 16.4 6.5 26.9 1995 8.3 9.7 14.0 19.8 25.6 30.2 34.9 32.7 27.1 19.5 14.9 6.0 28.9 1996 4.8 9.6 12.3 20.2 26.3 30.8 31.7 31.3 29.3 20.1 11.9 9.4 26.9 1997 8.4 7.9 12.2 20.2 25.6 32.1 35.3 32.2 27.5 23.2 13.4 9.0 27.4 1998 6.2 8.4 14.6 21.9 25.9 30.7 33.8 32.5 27.9 21.6 16.7 11.3 27.6 1999 6.8 12.7 13.6 20.9 26.9 32.3 31.9 31.8 27.9 22.5 13.4 8.9 25.5 2000 7.0 9.2 14.1 24.2 29.0 30.3 31.7 31.0 29.1 20.6 12.2 9.1 24.7 MEAN 6.2 8.4 13.4 20.3 25.7 30.9 32.7 30.8 26.9 20.4 13.6 7.8 26.5 SD 1.91 2.41 2.16 1.47 1.55 0.98 0.94 1.45 1.18 1.83 2.06 2.00 1.66 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 2 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 MET. AVERAGE OF MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 -0.2 0.4 5.3 10.9 19.2 21.7 24.9 21.7 19.9 11.1 4.0 1.0 11.6 1962 0.5 3.5 8.4 12.1 17.7 21.1 24.2 21.7 14.9 11.3 3.2 1.1 11.6 1963 0.6 4.6 6.0 14.8 17.4 22.8 25.2 22.3 16.3 12.6 5.0 -2.0 12.1 1964 ****** 1.4 7.3 10.8 17.3 22.1 24.9 23.5 17.7 8.3 4.4 -3.0 ****** 1965 0.2 1.5 6.9 11.8 18.9 22.7 24.8 21.5 17.5 14.2 7.1 0.3 12.3 1966 1.8 4.8 7.3 12.4 18.6 23.4 24.5 22.6 19.8 12.7 2.4 0.7 12.6 1967 -0.9 0.8 5.5 11.8 17.9 20.8 25.3 22.2 18.7 12.0 7.0 -0.4 11.7 1968 -0.1 1.2 7.6 11.9 17.0 24.3 23.2 22.2 17.1 12.9 8.0 3.0 12.4 1969 -0.6 0.4 10.3 13.0 17.3 23.0 24.8 22.3 17.0 13.6 2.8 2.8 12.2 1970 0.6 4.4 6.7 14.1 19.3 23.0 24.5 25.3 17.5 11.4 7.0 -0.1 12.8 1971 -1.6 1.6 8.1 12.4 20.0 24.2 24.6 23.5 18.0 10.0 7.9 2.1 12.6 1972 -1.9 -2.7 5.5 13.0 16.2 23.6 24.9 ****** 17.7 14.0 5.0 -1.3 ****** 1973 -5.1 2.8 8.2 12.4 17.6 23.9 25.2 21.1 18.7 15.3 8.6 -1.2 12.3 1974 ****** -4.1 5.2 12.3 15.4 21.7 25.1 21.1 17.3 7.3 5.3 -2.1 ****** 1975 -1.7 0.8 3.7 11.3 17.8 22.4 25.6 22.3 17.6 9.5 3.7 -1.8 10.9 1976 1.6 -1.3 1.2 9.6 16.2 21.1 25.2 23.2 20.5 12.2 2.1 0.6 11.0 1977 -2.6 -0.5 6.8 13.5 18.1 24.9 25.8 21.8 18.5 13.7 3.6 1.6 12.1 1978 -1.8 1.9 6.5 13.0 16.4 22.2 24.6 21.8 18.1 12.5 4.6 3.5 11.9 1979 1.2 3.4 7.0 14.7 16.0 22.8 25.2 21.2 16.8 13.6 3.1 1.5 12.2 1980 0.1 1.5 6.2 14.0 18.6 22.8 24.0 23.2 17.4 12.6 7.8 2.4 12.6 1981 0.3 2.0 8.1 13.5 16.0 20.2 25.0 22.7 17.6 11.8 7.2 2.6 12.3 1982 -0.3 0.0 4.4 13.4 18.9 22.5 22.2 22.9 17.5 12.3 2.3 -1.5 11.2 1983 -1.8 0.0 4.2 11.8 19.8 23.0 25.3 24.9 19.8 12.2 10.6 2.3 12.7 1984 -0.6 -1.8 8.2 12.3 17.2 22.5 25.2 25.0 19.0 9.8 7.4 -2.0 11.9 1985 -1.9 1.6 3.5 10.1 14.0 23.5 23.8 16.9 17.7 10.1 6.5 2.4 10.7 1986 ****** 3.8 5.3 13.9 19.4 22.4 24.4 22.1 17.8 14.7 7.0 0.8 ****** 1987 0.6 4.0 8.9 14.5 20.5 23.1 24.8 24.4 20.1 10.9 7.2 2.0 13.4 1988 0.5 3.2 8.6 14.3 19.4 24.1 26.5 24.3 20.0 13.8 7.4 2.9 13.7 1989 -2.1 -1.2 8.2 13.9 17.3 24.1 27.0 23.3 18.5 14.1 7.6 2.9 12.8 1990 0.4 2.2 7.0 13.4 20.0 24.5 25.7 25.0 20.7 13.3 7.5 2.4 13.5 1991 2.0 1.8 8.5 14.8 17.9 22.6 25.1 23.3 19.0 13.3 7.1 3.3 13.2 1992 -0.7 1.5 3.9 12.5 16.2 23.3 26.1 21.8 17.1 11.4 7.6 4.0 12.1 1993 0.2 3.7 6.5 14.3 19.8 22.9 25.5 23.7 19.4 11.1 5.9 1.5 12.9 1994 1.6 2.0 9.0 14.5 19.4 23.8 26.1 25.2 16.6 13.4 10.1 0.2 13.5 1995 1.3 3.7 7.5 13.4 19.1 22.9 27.4 24.8 19.4 12.1 6.9 0.8 13.3 1996 -0.2 4.2 7.3 14.0 19.9 23.8 25.5 24.2 21.2 12.7 5.4 2.5 13.4 1997 1.8 0.9 5.9 13.5 18.9 25.5 28.4 24.6 19.7 16.2 7.4 3.7 13.9 1998 1.2 2.8 8.9 14.7 19.2 24.0 27.2 25.7 20.2 14.3 8.8 4.6 14.3 1999 2.2 6.2 8.5 14.2 19.5 24.8 25.0 24.8 20.1 14.7 7.5 2.8 14.2 2000 1.3 2.8 7.0 16.8 21.1 22.5 25.0 23.4 21.7 13.6 6.5 3.8 13.8 MEAN -0.1 1.8 6.7 13.1 18.2 23.0 25.2 23.0 18.5 12.4 6.2 1.3 12.4 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 3 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 MET. AVERAGE OF MAXIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 12.6 15.0 20.7 23.9 34.8 37.9 40.4 36.9 36.5 29.1 22.9 19.2 27.5 1962 14.9 19.8 24.9 26.2 33.4 36.9 39.4 36.4 33.4 29.6 19.7 16.7 27.6 1963 19.0 20.4 22.1 29.2 31.5 39.2 41.1 39.0 36.7 31.2 22.2 15.7 28.9 1964 ****** 17.4 24.6 27.5 35.6 39.7 42.3 42.0 35.1 27.6 22.6 11.4 ****** 1965 12.5 17.9 22.0 27.7 35.8 39.2 40.4 39.8 35.5 32.1 25.9 19.5 29.0 1966 21.1 20.8 22.2 27.2 33.3 39.7 39.2 38.8 35.9 26.8 20.5 16.0 28.5 1967 14.2 13.6 20.6 25.0 32.6 37.0 40.7 38.6 36.1 28.5 21.7 15.3 27.0 1968 14.5 14.3 21.6 26.6 31.9 37.4 38.9 38.9 36.9 29.5 20.8 15.1 27.2 1969 9.1 12.0 24.4 27.3 34.1 39.6 40.5 36.7 34.6 31.0 18.1 16.7 27.0 1970 12.4 18.7 21.3 30.5 35.9 40.3 40.2 41.3 34.5 29.4 25.1 16.0 28.8 1971 13.5 17.1 23.4 27.7 36.5 40.4 39.8 39.9 34.4 28.3 21.8 15.8 28.2 1972 8.0 8.8 17.4 27.9 29.9 39.0 39.5 ****** 37.3 32.4 22.0 9.8 ****** 1973 8.7 17.9 23.0 28.1 35.0 41.2 41.5 37.7 35.5 33.4 21.9 9.5 27.8 1974 ****** 8.9 16.7 27.3 30.0 38.6 40.3 36.9 36.1 23.7 24.4 12.3 ****** 1975 10.5 15.6 15.5 26.9 34.7 39.4 41.9 38.7 34.1 26.4 16.4 9.1 25.7 1976 14.6 9.6 12.4 23.6 33.7 39.3 41.9 38.5 35.8 27.6 15.8 10.5 25.3 1977 ****** ****** ****** ****** ****** 40.2 ****** 38.8 35.8 27.4 19.6 14.7 ****** 1978 12.8 15.0 21.2 30.2 33.6 37.9 38.8 38.5 35.7 29.5 16.4 15.2 27.1 1979 12.9 16.4 19.0 30.6 29.9 37.7 40.6 36.3 34.8 30.5 19.5 12.3 26.7 1980 11.5 14.0 20.0 30.1 34.7 39.4 40.2 39.5 35.0 27.7 22.2 15.8 27.5 1981 ****** 16.3 23.4 28.2 34.6 37.0 39.4 38.0 33.8 26.5 22.7 16.5 ****** 1982 13.3 13.9 20.0 30.3 35.1 40.3 40.7 38.9 34.9 27.5 16.8 11.0 26.9 1983 9.0 14.7 17.7 24.5 34.2 39.8 42.5 40.1 35.3 28.1 24.2 14.0 27.0 1984 12.5 11.5 21.3 28.5 31.2 38.2 39.6 41.2 35.3 27.0 21.9 10.1 26.5 1985 13.3 17.8 17.7 28.5 32.6 40.4 41.6 36.2 35.4 26.7 20.9 15.5 27.2 1986 ****** 14.1 14.9 25.5 33.2 37.3 38.8 36.2 33.8 29.9 18.2 12.0 ****** 1987 15.1 17.1 20.5 27.4 34.2 37.9 38.5 38.9 34.6 23.1 21.5 15.4 27.0 1988 12.5 14.4 21.0 26.8 34.2 38.6 40.4 38.3 35.0 28.8 22.3 16.9 27.4 1989 9.0 10.6 20.4 27.8 32.4 40.0 40.5 38.5 34.9 30.2 21.6 16.5 26.9 1990 10.1 13.8 20.2 27.2 35.6 40.2 39.6 40.4 37.1 28.5 23.6 14.7 27.6 1991 11.1 12.6 18.7 28.4 31.5 37.5 39.7 38.5 34.5 27.5 20.7 13.7 26.2 1992 8.9 14.4 16.1 25.8 28.2 37.8 40.4 35.9 32.7 27.3 22.1 13.0 25.2 1993 9.0 14.0 18.1 27.4 31.9 38.1 38.5 37.5 35.5 25.2 18.1 14.4 25.6 1994 13.9 15.0 22.0 28.0 32.8 38.6 40.6 40.0 30.8 26.2 22.6 12.7 26.9 1995 15.2 15.7 20.5 26.2 32.0 37.4 42.3 40.6 34.8 26.9 23.0 11.2 27.2 1996 9.8 15.0 17.4 26.4 32.8 37.7 37.9 38.5 37.5 27.5 18.4 16.4 26.3 1997 15.0 14.9 18.5 26.9 32.3 38.7 42.3 39.8 35.4 30.2 19.4 14.4 27.3 1998 11.1 14.1 20.4 29.2 32.6 37.4 40.4 39.3 35.6 28.9 24.6 18.0 27.6 1999 11.3 19.1 18.8 27.5 34.3 39.7 38.8 38.8 35.6 30.3 19.2 15.1 27.4 2000 12.7 15.6 21.3 31.6 37.0 38.1 38.5 38.5 36.5 27.5 17.8 14.4 27.5 MEAN 12.4 15.1 20.0 27.6 33.3 38.8 40.2 38.6 35.2 28.4 21.0 14.3 27.1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 4 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 MET. DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 12.8 14.6 15.4 13.0 15.6 16.2 15.5 15.2 16.6 18.0 18.9 18.2 15.8 1962 14.4 16.3 16.5 14.1 15.7 15.8 15.2 14.7 18.5 18.3 16.5 15.6 16.0 1963 18.4 15.8 16.1 14.4 14.1 16.4 15.9 16.7 20.4 18.6 17.2 17.7 16.8 1964 ****** 16.0 17.3 16.7 18.3 17.6 17.4 18.5 17.4 19.3 18.2 14.4 ****** 1965 12.3 16.4 15.1 15.9 16.9 16.5 15.6 18.3 18.0 17.9 18.8 19.2 16.7 1966 19.3 16.0 14.9 14.8 14.7 16.3 14.7 16.2 16.1 14.1 18.1 15.3 15.9 1967 15.1 12.8 15.1 13.2 14.7 16.2 15.4 16.4 17.4 16.5 14.7 15.7 15.3 1968 14.6 13.1 14.0 14.7 14.9 13.1 15.7 16.7 19.8 16.6 12.8 12.1 14.8 1969 9.7 11.6 14.1 14.3 16.8 16.6 15.7 14.4 17.6 17.4 15.3 13.9 14.8 1970 11.8 14.3 14.6 16.4 16.6 17.3 15.7 16.0 17.0 18.0 18.1 16.1 16.0 1971 15.1 15.5 15.3 15.3 16.5 16.2 15.2 16.4 16.4 18.3 13.9 13.7 15.6 1972 9.9 11.5 11.9 14.9 13.7 15.4 14.6 ****** 19.6 18.4 17.0 11.1 ****** 1973 13.8 15.1 14.8 15.7 17.4 17.3 16.3 16.6 16.8 18.1 13.3 10.7 15.5 1974 ****** 13.0 11.5 15.0 14.6 16.9 15.2 15.8 18.8 16.4 19.1 14.4 ****** 1975 12.2 14.8 11.8 15.6 16.9 17.0 16.3 16.4 16.5 16.9 12.7 10.9 14.8 1976 13.0 10.9 11.2 14.0 17.5 18.2 16.7 15.3 15.3 15.4 13.7 9.9 14.3 1977 ****** ****** ****** ****** ****** 15.3 ****** 17.0 17.3 13.7 16.0 13.1 ****** 1978 14.6 13.1 14.7 17.2 17.2 15.7 14.2 16.7 17.6 17.0 11.8 11.7 15.1 1979 11.7 13.0 12.0 15.9 13.9 14.9 15.4 15.1 18.0 16.9 16.4 10.8 14.5 1980 11.4 12.5 13.8 16.1 16.1 16.6 16.2 16.3 17.6 15.1 14.4 13.4 15.0 1981 ****** 14.3 15.3 14.7 18.6 16.8 14.4 15.3 16.2 14.7 15.5 13.9 ****** 1982 13.6 13.9 15.6 16.9 16.2 17.8 18.5 16.0 17.4 15.2 14.5 12.5 15.7 1983 10.8 14.7 13.5 12.7 14.4 16.8 17.2 15.2 15.5 15.9 13.6 11.7 14.3 1984 13.1 13.3 13.1 16.2 14.0 15.7 14.4 16.2 16.3 17.2 14.5 12.1 14.7 1985 15.2 16.2 14.2 18.4 18.6 16.9 17.8 19.3 17.7 16.6 14.4 13.1 16.5 1986 ****** 10.3 9.6 11.6 13.8 14.9 14.4 14.1 16.0 15.2 11.2 11.2 ****** 1987 14.5 13.1 11.6 12.9 13.7 14.8 13.7 14.5 14.5 12.2 14.3 13.4 13.6 1988 12.0 11.2 12.4 12.5 14.8 14.5 13.9 14.0 15.0 15.0 14.9 14.0 13.7 1989 11.1 11.8 12.2 13.9 15.1 15.9 13.5 15.2 16.4 16.1 14.0 13.6 14.1 1990 9.7 11.6 13.2 13.8 15.6 15.7 13.9 15.4 16.4 15.2 16.1 12.3 14.1 1991 9.1 10.8 10.2 13.6 13.6 14.9 14.6 15.2 15.5 14.2 13.6 10.4 13.0 1992 9.6 12.9 12.2 13.3 12.0 14.5 14.3 14.1 15.6 15.9 14.5 9.0 13.2 1993 8.8 10.3 11.6 13.1 12.1 15.2 13.0 13.8 16.1 14.1 12.2 12.9 12.8 1994 12.3 13.0 13.0 13.5 13.4 14.8 14.5 14.8 14.2 12.8 12.5 12.5 13.4 1995 13.9 12.0 13.0 12.8 12.9 14.5 14.9 15.8 15.4 14.8 16.1 10.4 13.9 1996 10.0 10.8 10.1 12.4 12.9 13.9 12.4 14.3 16.3 14.8 13.0 13.9 12.9 1997 13.2 14.0 12.6 13.4 13.4 13.2 13.9 15.2 15.7 14.0 12.0 10.7 13.4 1998 9.9 11.3 11.5 14.5 13.4 13.4 13.2 13.6 15.4 14.6 15.8 13.4 13.3 1999 9.1 12.9 10.3 13.3 14.8 14.9 13.8 14.0 15.5 15.6 11.7 12.3 13.2 2000 11.4 12.8 14.3 14.8 15.9 15.6 13.5 15.1 14.8 13.9 11.3 10.6 13.7 MEAN 12.5 13.3 13.3 14.5 15.2 15.8 15.0 15.6 16.7 16.0 14.8 13.0 14.6 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 5 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 3.64 3.13 3.60 6.57 7.51 8.08 8.95 9.05 7.64 5.03 3.74 3.20 5.84 1962 3.16 3.68 5.19 6.50 8.55 9.71 11.04 10.22 7.61 5.48 3.51 3.12 6.48 1963 3.09 4.24 4.73 7.61 9.00 10.01 10.22 10.13 7.34 6.80 4.58 2.79 6.71 1964 ****** 3.81 5.46 5.98 9.86 11.05 12.21 13.68 8.43 4.71 5.02 2.68 ****** 1965 3.56 3.46 4.91 5.14 7.19 9.84 11.40 10.34 10.77 9.26 6.52 3.30 7.14 1966 3.79 4.94 5.27 5.85 7.15 7.40 8.65 9.21 6.88 6.07 3.25 2.95 5.95 1967 2.08 3.09 3.29 5.47 5.60 5.22 7.28 5.98 4.66 4.57 3.75 2.17 4.43 1968 2.03 3.09 3.81 4.25 5.45 6.32 5.67 5.17 4.33 4.09 5.22 3.54 4.41 1969 2.84 3.06 4.37 3.95 4.87 5.22 7.08 7.83 6.23 5.29 3.48 3.19 4.78 1970 3.23 3.65 4.21 4.54 4.99 4.69 5.80 6.73 4.49 3.94 3.91 2.71 4.41 1971 2.20 2.80 4.24 4.99 5.01 5.17 5.37 6.29 5.82 4.13 5.30 3.36 4.56 1972 2.72 3.01 5.04 4.62 5.73 5.21 5.47 ****** 6.59 4.51 3.38 2.85 ****** 1973 2.36 3.65 4.10 4.41 4.87 5.51 7.21 6.28 5.61 5.37 5.08 2.31 4.73 1974 ****** 2.29 4.49 4.62 5.55 7.44 7.69 7.16 5.93 3.79 3.04 2.28 ****** 1975 2.84 2.49 3.35 4.35 5.95 5.05 5.22 5.96 4.52 3.36 3.66 3.02 4.15 1976 3.40 2.83 3.97 4.29 5.42 5.19 4.38 2.86 4.40 ****** 4.05 3.57 ****** 1977 2.67 2.82 2.87 5.55 6.38 6.99 6.66 6.03 5.68 5.78 4.31 3.77 4.96 1978 2.91 4.07 4.48 5.48 5.78 7.29 7.49 5.94 4.93 5.08 4.23 4.28 5.16 1979 3.79 4.13 4.99 5.16 6.87 7.75 6.80 6.23 5.68 4.87 3.66 3.71 5.30 1980 3.34 3.87 5.05 6.27 8.27 5.27 6.58 5.62 5.04 5.77 4.95 3.72 5.31 1981 3.22 3.44 3.83 5.48 5.11 4.52 4.93 4.53 4.28 4.74 4.49 3.68 4.35 1982 3.13 3.22 3.89 4.96 5.43 5.76 6.19 6.10 5.11 4.71 3.90 3.53 4.66 1983 3.15 3.02 3.59 5.42 6.03 5.27 5.73 5.88 5.68 3.93 3.97 3.27 4.58 1984 3.13 3.09 4.85 4.09 5.14 5.78 6.51 6.42 6.74 3.89 4.82 3.12 4.80 1985 2.89 3.44 4.08 4.86 3.84 5.69 6.96 8.07 6.45 4.75 5.06 4.09 5.01 1986 ****** 4.17 3.81 6.40 5.76 6.42 6.75 6.01 4.45 4.71 4.19 3.60 ****** 1987 2.81 3.47 4.46 5.41 6.31 5.17 8.47 7.45 6.28 4.83 3.31 2.86 5.07 1988 2.89 3.74 4.35 5.68 5.20 6.56 8.41 6.87 5.29 4.16 3.14 2.95 4.94 1989 2.79 2.89 4.27 3.66 5.17 5.37 7.34 5.82 4.65 3.99 4.14 3.38 4.46 1990 3.63 3.36 3.47 4.21 5.54 5.66 7.49 6.77 4.80 4.17 3.41 3.14 4.64 1991 4.31 3.10 5.31 4.59 5.87 6.03 7.12 6.92 5.59 4.98 3.92 3.84 5.13 1992 3.25 2.68 3.42 5.40 6.92 7.51 7.25 7.89 5.06 3.92 3.73 4.36 5.12 1993 3.48 4.74 4.20 5.39 6.11 6.46 7.53 7.03 5.22 3.48 3.90 3.20 5.06 1994 3.35 2.64 4.32 4.72 5.93 7.21 8.38 6.64 4.84 6.02 4.83 2.99 5.16 1995 3.05 3.56 3.99 6.35 5.31 6.88 7.46 6.69 5.03 4.44 2.89 3.61 4.94 1996 3.57 4.28 5.12 5.15 7.96 6.92 7.46 6.17 5.71 4.15 3.02 2.84 5.20 1997 2.91 2.10 3.12 4.55 5.51 8.06 7.34 6.04 4.84 4.98 4.51 4.31 4.85 1998 3.53 3.66 4.42 5.18 5.99 7.03 8.43 7.72 6.35 4.83 3.61 3.58 5.36 1999 3.87 3.61 4.93 5.59 5.82 7.25 9.28 6.79 6.55 5.15 4.57 3.68 5.59 2000 2.90 3.48 2.65 4.46 5.49 5.79 6.83 6.32 6.06 5.39 4.28 4.68 4.86 MEAN 3.13 3.40 4.24 5.18 6.12 6.60 7.43 7.00 5.79 4.85 4.11 3.34 5.09 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 6 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 4.41 3.24 3.63 6.64 7.80 8.59 7.97 8.07 8.21 6.56 5.84 6.15 6.43 1962 4.75 4.49 5.88 6.56 9.65 10.07 11.04 11.47 10.66 7.46 5.33 5.63 7.75 1963 5.46 6.29 6.39 8.54 8.81 9.89 9.20 10.74 8.67 8.93 6.15 4.83 7.83 1964 ****** 5.28 7.60 7.30 13.94 14.29 14.08 15.26 10.98 8.00 7.67 4.50 ****** 1965 5.94 5.06 5.14 6.52 9.22 9.86 9.10 13.45 10.91 11.11 10.33 6.51 8.60 1966 6.36 6.95 6.27 6.17 6.45 6.29 7.12 6.74 7.54 7.37 4.28 3.55 6.26 1967 3.77 3.89 3.23 4.63 5.53 4.08 5.82 5.90 6.26 4.43 4.63 3.42 4.63 1968 3.37 3.86 4.12 4.53 4.60 6.07 6.95 5.93 5.56 4.32 7.71 5.68 5.22 1969 4.60 4.51 4.56 4.47 4.46 4.98 5.98 6.40 6.14 5.58 5.24 4.35 5.11 1970 4.62 4.29 4.65 5.61 5.19 6.28 6.00 6.33 5.22 5.63 4.42 4.69 5.24 1971 4.09 4.24 4.89 4.53 5.39 5.88 6.28 7.51 6.23 4.97 5.60 4.66 5.35 1972 4.77 4.30 4.82 5.13 5.32 5.96 6.40 ****** 6.26 5.38 4.75 4.56 ****** 1973 3.78 4.83 4.47 4.87 5.23 9.69 10.82 7.38 5.69 5.59 6.40 3.98 6.06 1974 ****** 4.36 5.07 5.66 5.91 6.60 7.38 9.40 6.00 3.86 3.14 3.23 ****** 1975 3.64 3.19 2.97 4.62 5.74 5.04 3.12 3.02 3.22 2.76 2.60 3.06 3.58 1976 2.12 2.79 3.08 2.79 5.94 6.46 7.71 2.55 1.55 ****** 3.86 4.01 ****** 1977 3.19 2.69 2.17 5.74 8.51 22.72 7.61 8.66 4.74 3.68 4.56 3.73 6.50 1978 3.12 4.39 4.84 3.53 5.03 4.37 5.31 4.56 5.61 6.55 4.67 4.32 4.69 1979 3.83 4.27 4.67 3.53 4.88 5.60 6.27 5.59 3.72 4.46 4.38 4.42 4.63 1980 3.55 4.19 4.41 4.98 5.97 7.22 5.02 6.48 5.94 5.68 5.22 3.86 5.21 1981 3.86 3.92 3.89 4.72 7.12 7.04 7.85 4.62 5.16 4.19 3.99 3.20 4.96 1982 3.41 2.83 4.14 3.85 6.53 5.58 5.26 4.87 4.44 4.11 4.29 3.93 4.44 1983 3.72 2.47 2.88 4.24 4.77 4.57 4.65 5.08 4.94 4.29 3.58 3.58 4.06 1984 3.73 3.26 4.67 3.16 4.07 4.07 4.29 6.00 4.91 3.91 4.45 2.81 4.11 1985 3.81 2.23 2.92 3.53 2.95 4.32 6.79 5.58 4.93 4.85 4.46 4.01 4.20 1986 ****** 4.22 3.49 5.21 4.82 5.69 5.02 5.20 4.12 6.09 4.19 4.32 ****** 1987 3.01 3.42 4.24 4.49 5.82 4.03 9.19 6.40 6.79 4.92 3.22 3.18 4.89 1988 2.73 3.98 4.12 4.93 4.15 5.85 7.42 5.63 4.37 4.31 3.69 3.21 4.53 1989 2.78 3.05 3.81 3.31 5.63 4.62 6.33 5.14 4.66 5.07 4.38 3.84 4.39 1990 3.74 3.05 3.27 4.25 4.82 5.71 7.35 6.47 5.50 4.39 4.29 3.58 4.70 1991 4.31 3.13 5.06 4.03 5.06 5.25 6.97 7.06 5.70 5.55 4.54 4.24 5.07 1992 3.28 2.62 3.24 4.74 5.99 6.47 6.39 8.03 4.80 4.38 4.22 4.68 4.90 1993 3.72 4.96 3.46 4.58 5.12 5.33 5.65 6.09 5.27 3.77 4.43 3.73 4.68 1994 3.76 2.67 4.22 4.29 5.90 6.64 8.62 6.22 4.23 6.66 5.25 2.94 5.12 1995 3.45 4.02 3.69 5.74 4.39 6.13 7.42 6.29 4.32 4.70 3.54 4.15 4.82 1996 3.88 4.53 5.05 4.99 7.05 6.55 5.69 5.25 5.59 4.08 3.38 3.22 4.94 1997 3.19 2.46 2.89 4.09 4.85 7.49 6.57 5.59 4.77 5.16 4.77 4.72 4.71 1998 3.88 3.53 4.27 4.40 4.93 5.89 7.00 6.75 6.76 4.73 4.40 4.17 5.06 1999 4.09 3.38 4.60 5.47 5.99 7.52 9.51 6.35 7.51 6.08 4.52 4.07 5.76 2000 3.28 3.30 2.66 4.17 5.37 5.17 5.87 6.21 5.70 5.50 4.58 5.06 4.74 MEAN 3.87 3.86 4.24 4.87 5.98 6.85 7.08 6.78 5.85 5.36 4.78 4.15 5.30 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 7 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 4.08 3.44 4.07 6.58 7.98 8.75 8.71 8.55 8.17 5.90 5.64 5.61 6.46 1962 4.95 5.18 6.11 6.90 9.15 10.42 11.92 11.53 10.37 7.73 5.48 5.39 7.93 1963 5.35 6.24 6.44 8.43 9.13 10.28 13.14 11.65 11.33 9.04 6.03 4.32 8.45 1964 ****** 5.18 7.76 7.74 13.41 13.61 12.90 14.95 10.42 7.39 6.59 4.02 ****** 1965 5.29 4.63 5.06 5.29 7.96 9.39 9.60 12.08 11.13 10.36 7.52 4.96 7.77 1966 5.80 6.72 5.33 5.87 5.63 5.82 7.21 6.62 6.93 6.46 3.75 3.54 5.81 1967 3.81 4.08 3.21 5.26 5.17 4.23 6.54 5.29 5.86 4.87 4.87 3.38 4.71 1968 3.36 4.36 4.60 5.12 5.18 5.45 6.24 5.55 5.41 5.40 7.25 5.12 5.25 1969 4.03 4.52 5.53 4.55 5.29 5.15 5.51 6.25 6.21 6.11 4.48 4.40 5.17 1970 4.27 4.16 4.50 5.33 5.68 5.41 7.05 6.19 5.18 4.82 4.46 4.19 5.10 1971 3.72 3.61 4.44 5.00 4.84 5.76 6.27 6.68 5.75 5.20 5.90 4.41 5.13 1972 3.97 3.79 4.71 5.14 5.95 5.48 5.48 ****** 5.87 4.82 4.48 3.84 ****** 1973 3.00 4.01 4.28 4.94 4.79 8.25 9.17 6.64 5.47 6.46 5.97 3.68 5.55 1974 ****** 3.97 4.55 5.79 5.88 5.74 6.12 4.78 4.68 3.12 2.97 2.92 ****** 1975 3.29 2.84 3.42 4.18 4.48 4.50 3.32 3.38 3.16 3.07 3.23 3.36 3.52 1976 3.29 3.20 3.39 3.12 3.38 5.15 3.77 2.87 1.71 ****** 4.07 3.79 ****** 1977 2.99 3.04 1.96 5.41 6.63 19.33 5.87 9.97 4.62 4.53 4.28 3.57 6.02 1978 3.03 4.71 4.84 3.91 4.54 4.19 4.73 4.42 5.19 6.04 4.27 3.96 4.49 1979 3.64 5.04 4.11 3.81 5.45 5.50 6.14 5.42 4.10 4.73 3.53 3.97 4.62 1980 3.51 3.63 4.60 5.12 5.38 6.01 5.53 5.29 4.85 5.32 4.69 3.55 4.79 1981 3.57 3.78 3.86 4.15 5.14 5.19 6.33 4.08 4.33 4.05 3.78 2.58 4.24 1982 2.88 2.50 3.69 3.71 5.29 5.40 5.27 5.03 4.37 4.52 4.23 3.78 4.22 1983 3.71 2.77 3.13 5.16 4.94 4.88 5.07 5.59 4.85 3.79 3.49 3.33 4.23 1984 3.36 3.34 4.84 3.73 4.12 4.32 4.55 5.86 4.47 3.79 4.52 2.78 4.14 1985 3.83 2.36 2.95 3.50 2.75 3.37 5.98 5.29 4.69 4.44 3.90 3.80 3.90 1986 ****** 4.59 3.85 5.74 4.84 5.31 4.71 5.17 4.36 5.06 4.24 3.90 ****** 1987 3.02 3.68 4.54 5.11 5.85 3.78 9.64 6.57 6.79 4.96 3.45 3.05 5.04 1988 3.07 4.12 4.34 5.12 3.66 6.36 6.92 5.77 4.31 4.27 3.45 3.15 4.54 1989 2.82 3.18 4.12 3.42 5.36 4.18 6.13 5.06 4.47 4.77 4.32 3.60 4.29 1990 3.89 3.60 3.39 4.02 4.37 5.63 7.31 6.02 5.49 4.38 3.83 3.42 4.61 1991 4.57 3.54 5.10 4.22 4.90 4.70 6.97 6.86 5.30 5.35 4.34 4.25 5.01 1992 3.38 2.74 3.19 4.68 5.86 5.96 5.99 8.34 4.55 4.26 3.85 4.92 4.81 1993 3.88 5.27 3.47 4.98 5.17 5.05 5.21 5.68 5.24 3.81 3.92 3.40 4.59 1994 3.78 2.90 4.32 4.45 5.37 6.15 8.59 6.00 4.19 6.25 5.45 2.78 5.02 1995 3.27 4.12 3.98 6.17 4.19 5.50 7.00 6.14 4.59 4.58 3.33 4.14 4.75 1996 3.90 4.72 5.15 5.17 7.16 6.35 5.23 5.22 5.84 4.32 3.25 3.05 4.95 1997 3.21 2.47 3.01 4.19 4.81 7.40 6.68 5.59 4.99 5.35 4.69 4.67 4.75 1998 3.96 3.88 4.24 4.78 4.74 5.71 6.85 6.50 7.00 4.82 4.15 3.88 5.04 1999 4.47 3.77 5.05 5.67 5.91 7.85 10.09 6.73 7.47 6.13 4.84 4.11 6.01 2000 3.29 3.55 2.77 4.18 5.28 5.28 6.13 6.34 5.53 5.39 4.48 5.26 4.79 MEAN 3.77 3.94 4.30 5.00 5.64 6.43 6.90 6.57 5.74 5.28 4.53 3.90 5.16 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 8 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 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 -6.5 11 -7.1 2 -2.5 6 4.0 4 13.1 3 14.0 9 20.1 5 15.0 12 16.1 23 -1.0 31 -3.0 28 -3.0 22 -7.1 1962 -3.0 22 -5.0 23 1.0 5 7.1 9 12.0 1 14.1 12 21.0 31 16.1 31 5.0 27 4.0 13 -6.0 30 -6.2 1 -6.2 1963 -4.2 10 -1.4 6 -2.0 9 10.0 2 12.1 19 19.0 25 18.1 1 17.1 23 10.1 12 7.1 12 0.0 20 -9.0 30 -9.0 1964 ***** ** -5.1 1 1.1 3 5.1 2 9.2 4 18.0 6 21.1 16 21.1 23 8.0 26 3.1 16 -6.2 30 -11.0 11 ***** 1965 -6.0 7 -3.1 11 -1.0 17 0.1 7 8.1 5 20.0 8 22.0 28 17.1 24 12.0 10 7.1 27 0.0 26 -5.1 24 -6.0 1966 -3.1 17 0.0 6 0.1 3 6.0 6 12.1 11 20.0 1 21.1 3 19.1 17 14.0 14 7.0 22 -3.1 25 -4.0 24 -4.0 1967 -5.0 1 -6.0 4 -2.1 1 2.1 4 10.0 1 15.0 7 21.1 4 15.1 27 13.0 26 6.0 24 -4.0 30 -7.0 26 -7.0 1968 -7.0 20 -6.0 6 -0.1 25 7.0 14 10.0 5 17.0 1 17.1 13 18.1 28 8.0 21 5.0 31 3.0 23 -3.0 24 -7.0 1969 -9.0 8 -4.2 2 0.0 25 4.0 15 9.0 3 14.0 23 18.0 14 16.0 22 14.0 10 9.0 15 -3.2 18 -2.0 12 -9.0 1970 -3.2 4 -3.2 2 1.0 17 8.1 26 12.0 9 14.0 12 20.1 8 20.0 25 9.0 21 4.1 28 2.0 27 -6.2 17 -6.2 1971 -10.0 27 -4.0 14 1.0 3 7.0 20 14.1 1 20.0 2 19.1 22 20.1 25 11.1 21 4.0 14 4.0 15 -2.3 25 -10.0 1972 -6.0 25 -8.0 3 1.0 21 7.0 17 12.0 10 19.1 8 18.0 19 ***** ** 14.0 25 10.0 30 -0.1 26 -10.2 27 ***** 1973 -10.4 2 -4.3 8 -1.0 11 7.2 11 14.2 2 19.2 7 22.6 27 16.2 13 13.2 18 12.2 20 7.0 13 -6.2 27 -10.4 1974 ***** ** -7.0 3 1.0 21 6.2 27 10.0 23 19.0 20 16.0 26 18.0 30 12.4 26 2.0 16 0.0 28 -6.0 6 ***** 1975 -8.0 17 -5.0 12 -4.0 7 7.0 2 14.0 13 17.0 4 20.0 31 19.0 29 15.0 2 4.0 25 -1.0 7 -7.0 26 -8.0 1976 -4.0 17 -9.0 17 -3.0 3 1.0 1 11.0 1 17.0 6 21.0 28 17.0 15 15.0 27 6.0 31 -4.0 14 -2.0 8 -9.0 1977 -8.0 26 -8.0 6 -2.0 1 7.0 5 11.0 1 20.0 2 23.0 30 16.0 20 14.0 18 7.0 24 1.0 16 -6.0 28 -8.0 1978 -11.0 15 -4.0 6 2.0 21 7.0 16 6.0 9 14.0 3 19.0 9 19.0 14 13.0 29 9.0 4 0.0 21 -2.0 25 -11.0 1979 -4.0 28 0.0 1 -2.0 4 7.0 17 9.0 1 18.0 4 22.0 27 15.0 31 12.0 29 9.0 29 -4.0 19 -3.0 24 -4.0 1980 -4.0 9 -7.0 4 2.0 5 6.0 19 13.0 18 18.0 2 21.0 2 19.0 31 13.0 24 8.0 31 3.0 26 -2.0 16 -7.0 1981 -3.0 10 -2.0 3 3.0 1 5.0 2 12.0 4 15.0 7 20.0 31 20.0 24 10.0 26 3.0 31 0.0 24 -1.0 16 -3.0 1982 -4.5 21 -5.0 20 -1.0 8 5.0 1 15.0 10 17.0 3 19.0 3 16.0 29 13.0 27 5.0 26 -2.0 30 -6.0 12 -6.0 1983 -5.0 13 -4.0 3 0.0 12 6.0 4 13.0 1 19.0 1 21.0 15 21.0 27 14.0 22 6.0 21 7.5 29 -6.0 23 -6.0 1984 -4.5 6 -7.5 20 2.0 1 5.0 5 10.5 8 18.8 10 22.5 5 23.0 2 9.5 30 4.0 24 4.0 27 -7.0 22 -7.5 1985 -5.0 7 -3.0 7 -3.0 6 5.0 18 7.0 24 18.5 14 19.0 17 12.0 31 14.5 15 6.0 26 4.0 20 -3.0 30 -5.0 1986 ***** ** -0.3 3 -1.8 17 9.6 1 14.0 1 19.2 10 19.0 23 18.4 12 14.0 15 7.4 31 0.0 25 -8.7 12 ***** 1987 -2.8 14 -1.3 12 2.2 22 5.6 6 11.8 7 20.6 1 19.4 5 21.2 25 15.8 25 4.6 18 -1.8 30 -5.2 4 -5.2 1988 -5.8 3 -1.6 8 2.6 25 5.4 3 15.4 7 21.0 28 22.5 1 19.4 27 15.6 30 9.4 3 -1.6 16 -7.2 30 -7.2 1989 -8.0 5 -7.4 4 3.4 13 2.8 1 8.2 1 19.0 2 24.0 26 18.6 1 9.8 24 8.8 25 2.4 24 -0.6 9 -8.0 1990 -4.2 13 -2.0 8 -2.2 21 7.0 9 14.6 15 19.0 3 21.6 13 22.0 15 16.4 19 6.6 20 3.2 25 -4.4 29 -4.4 1991 -2.0 9 -6.6 14 1.6 12 8.0 14 10.4 5 19.8 2 20.4 15 18.6 24 11.0 28 9.4 31 1.0 29 -5.0 20 -6.6 1992 -6.5 29 -4.0 13 -2.6 13 7.2 7 7.2 2 19.6 14 22.8 26 16.0 31 10.5 13 7.5 30 -2.5 29 -4.0 29 -6.5 1993 -2.6 21 -3.4 17 0.9 24 10.0 1 12.0 9 18.8 23 22.0 24 18.8 26 12.2 19 3.8 9 -2.2 30 -4.0 1 -4.0 1994 -5.0 12 -3.4 20 3.4 3 2.8 5 14.0 7 17.5 6 22.0 15 21.0 19 11.4 18 6.8 13 4.0 13 -7.4 9 -7.4 1995 -4.0 24 -2.2 26 0.2 7 7.0 7 14.2 10 17.8 24 19.6 27 21.5 11 13.4 22 5.0 28 -2.6 30 -3.0 1 -4.0 1996 -9.0 16 0.0 4 0.4 1 3.6 5 13.6 2 17.6 18 21.4 15 18.8 31 17.8 1 7.2 20 -1.2 19 -2.8 7 -9.0 1997 -3.6 30 -6.6 8 -1.4 9 4.2 13 10.0 6 20.0 2 23.8 1 19.0 30 16.4 17 10.0 25 2.8 9 -0.8 30 -6.6 1998 -3.4 16 -1.4 24 0.2 2 9.8 8 10.8 3 21.0 1 21.8 26 22.4 27 14.8 17 10.6 12 4.8 27 2.0 16 -3.4 1999 -6.0 3 0.4 2 0.0 19 8.0 12 12.4 22 21.4 7 20.8 22 20.0 29 14.8 29 8.4 27 0.6 30 -1.6 6 -6.0 2000 -4.6 13 -2.6 10 -0.8 16 10.0 2 16.2 12 14.0 14 18.8 21 20.8 26 18.0 26 10.4 30 1.4 12 -0.6 30 -4.6 LOW. -11.0 15 -9.0 17 -4.0 7 0.1 7 6.0 9 14.0 9 16.0 26 12.0 31 5.0 27 -1.0 31 -6.2 30 -11.0 11 -11.0 YEAR 1978 1976 1975 1965 1978 1961 1974 1985 1962 1961 1964 1964 1964 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 9 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 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 21.0 22 22.0 14 29.1 26 34.1 29 40.0 26 42.1 6 46.0 12 41.1 1 42.0 4 35.1 3 28.1 7 22.1 6 46.0 1962 21.1 6 28.1 20 32.0 25 31.0 10 37.1 23 41.1 16 42.0 3 42.0 22 41.0 13 35.0 7 28.0 6 23.0 7 42.0 1963 26.0 26 28.0 24 29.0 16 35.0 11 38.0 29 43.1 22 45.0 15 42.0 10 41.1 6 36.0 22 28.0 2 22.1 23 45.0 1964 ***** ** 24.1 23 33.0 26 34.1 29 39.2 17 44.0 27 47.0 11 45.1 22 38.2 3 36.1 22 29.0 21 18.0 7 ***** 1965 17.1 13 25.0 14 32.0 11 37.1 29 41.1 17 42.1 16 45.1 14 42.1 2 41.1 7 38.1 15 31.1 7 24.1 15 45.1 1966 26.1 27 27.1 26 29.1 12 34.1 17 39.0 16 45.0 21 44.1 6 43.0 30 41.0 7 34.1 1 27.1 1 21.1 18 45.0 1967 23.0 18 24.1 24 28.1 7 33.0 24 40.1 31 41.0 20 46.1 9 43.0 21 42.1 8 34.0 11 30.0 2 21.0 15 46.1 1968 23.1 15 24.0 29 32.2 13 39.0 21 39.0 21 44.0 28 46.0 5 43.1 17 41.1 6 36.0 4 25.1 15 21.1 3 46.0 1969 15.0 21 23.0 28 32.0 31 35.0 1 41.1 27 44.1 30 45.1 1 40.1 17 37.1 5 37.0 5 27.1 1 20.1 6 45.1 1970 16.1 1 24.1 19 32.0 31 39.0 18 43.0 27 46.1 24 45.0 2 44.1 28 41.1 8 37.0 1 30.0 1 24.1 4 46.1 1971 21.0 5 25.1 27 32.0 28 33.1 17 40.0 16 44.1 24 45.1 8 44.1 19 40.0 12 33.2 8 30.1 4 23.1 8 45.1 1972 14.0 16 19.0 18 25.1 31 35.0 30 38.2 29 45.0 30 45.0 1 ***** ** 41.0 13 37.1 5 31.0 4 16.1 1 ***** 1973 16.0 13 24.0 28 30.0 21 37.0 30 39.2 29 45.0 13 45.0 13 40.2 1 39.2 2 36.2 11 28.2 9 13.2 1 45.0 1974 ***** ** 11.2 25 24.0 30 33.2 30 39.0 29 45.0 28 45.5 5 42.0 20 39.4 2 31.2 3 31.0 4 17.0 3 ***** 1975 16.0 10 24.0 28 23.0 1 34.0 15 39.0 10 42.0 26 45.0 18 41.4 3 39.0 15 35.0 4 24.0 26 13.0 1 45.0 1976 17.0 9 17.0 5 19.0 1 32.0 18 38.0 25 44.0 29 44.0 4 42.0 4 38.0 9 35.0 1 25.0 5 18.0 11 44.0 1977 ***** ** ***** ** ***** ** ***** ** ***** ** 43.0 20 ***** ** 45.0 17 39.5 29 36.0 4 25.0 11 24.5 5 ***** 1978 23.0 21 22.0 18 29.0 24 38.0 8 39.0 20 44.0 30 48.0 1 41.0 27 39.0 9 33.0 1 26.0 1 21.0 2 48.0 1979 22.0 6 21.0 17 27.0 26 36.0 4 37.0 23 41.0 20 45.0 8 39.5 1 41.0 9 35.0 5 30.0 2 18.0 3 45.0 1980 18.0 13 19.0 18 29.0 30 36.0 23 40.0 23 44.0 8 43.0 31 43.0 20 39.0 7 38.0 4 26.0 10 22.0 4 44.0 1981 ***** ** 23.0 19 30.0 21 36.0 23 41.0 27 42.0 19 45.0 6 42.0 20 41.0 19 32.0 5 27.0 2 21.0 4 ***** 1982 20.0 10 19.0 5 27.0 25 37.0 27 40.0 19 45.0 12 45.0 29 46.0 4 38.0 4 34.0 7 25.0 5 16.0 5 46.0 1983 18.5 2 23.0 21 25.0 5 32.0 20 38.0 16 44.0 20 45.0 6 45.0 16 42.0 8 36.0 2 29.0 1 24.0 1 45.0 1984 16.0 7 24.0 9 27.0 8 34.0 10 40.0 29 42.5 21 41.5 27 45.0 14 41.0 1 33.0 5 27.0 3 16.0 4 45.0 1985 19.0 31 24.5 15 28.0 20 35.0 21 38.5 31 43.5 24 45.0 26 39.5 6 39.0 4 37.0 1 26.0 4 24.0 3 45.0 1986 ***** ** 22.0 28 24.3 1 31.0 17 39.0 25 40.5 13 42.5 26 40.0 23 38.4 26 36.7 5 29.3 3 19.4 1 ***** 1987 21.6 31 24.4 28 26.2 2 36.2 19 39.4 12 41.8 18 43.3 7 41.7 16 41.2 6 35.2 4 29.8 6 20.8 20 43.3 1988 17.4 29 25.8 2 30.0 21 34.0 20 42.0 28 42.8 15 44.4 12 43.0 4 41.8 12 32.0 20 29.8 4 22.2 12 44.4 1989 14.5 2 19.2 28 26.6 26 33.0 15 41.0 26 43.4 27 45.8 8 42.6 4 40.0 13 36.6 9 26.6 29 25.4 1 45.8 1990 16.4 1 23.2 20 27.6 13 35.2 27 41.0 25 44.8 29 42.2 28 45.0 10 42.2 1 36.2 1 30.2 10 22.0 4 45.0 1991 16.4 31 19.8 27 26.0 25 35.0 22 39.4 30 42.4 28 44.6 7 44.2 7 42.0 8 31.0 27 29.6 4 23.0 1 44.6 1992 15.8 16 25.2 24 25.4 30 31.6 22 36.7 31 42.3 24 44.2 2 40.4 26 38.4 25 31.8 11 27.4 7 19.2 17 44.2 1993 19.8 29 21.4 28 25.6 8 35.2 20 39.0 27 44.6 18 41.6 4 42.0 22 39.8 14 36.0 1 28.0 2 18.8 29 44.6 1994 19.6 4 24.6 1 29.4 31 36.8 25 37.0 31 43.2 26 44.6 8 43.4 3 36.4 1 32.2 2 28.4 5 27.7 20 44.6 1995 21.0 31 22.0 5 28.6 25 32.6 3 37.8 7 43.8 22 46.5 11 44.0 23 41.0 10 36.0 4 29.6 4 16.2 31 46.5 1996 17.0 8 26.0 10 26.8 31 32.6 21 40.0 31 43.0 1 42.6 8 43.0 27 42.0 8 34.4 14 25.2 8 22.6 28 43.0 1997 21.2 7 25.6 22 25.4 24 34.8 28 39.0 28 43.6 17 46.6 24 44.0 15 41.8 1 36.6 3 27.2 5 20.0 10 46.6 1998 17.0 26 26.8 8 29.4 25 36.4 16 40.2 12 41.6 28 46.0 5 44.2 18 42.4 5 37.6 1 28.4 1 22.4 1 46.0 1999 15.8 30 25.2 27 27.0 31 32.0 30 41.0 31 45.6 29 46.6 5 42.8 30 41.8 15 35.0 12 26.6 1 19.8 28 46.6 2000 19.8 2 21.8 24 30.6 24 35.8 10 42.0 26 43.2 24 42.6 8 42.4 3 40.2 8 33.0 26 26.4 3 21.2 22 43.2 HIG. 26.1 27 28.1 20 33.0 26 39.0 21 43.0 27 46.1 24 48.0 1 46.0 4 42.4 5 38.1 15 31.1 7 27.7 20 48.0 YEAR 1966 1962 1964 1968 1970 1970 1978 1982 1998 1965 1965 1994 1978 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 10 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 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 5.0 5 0.0 ** 3.0 23 13.0 3 12.0 22 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 13.0 1962 8.0 16 1.0 28 1.0 1 22.0 24 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.0 24 0.0 ** 5.0 12 22.0 1963 0.0 ** 3.0 2 20.0 28 5.0 22 3.0 18 0.0 ** 0.0 ** 0.0 ** 1.0 10 0.0 ** 0.0 ** 3.0 4 20.0 1964 ***** ** 5.0 13 10.0 29 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 8.0 26 ***** 1965 8.0 11 0.0 ** 15.0 3 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 15.0 1966 5.0 13 6.0 10 1.0 1 1.5 25 2.0 5 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.4 15 0.0 ** 0.3 19 6.0 1967 1.5 22 0.4 16 0.0 ** 1.0 15 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.6 20 0.0 ** 1.5 1968 0.0 ** 1.0 3 0.7 6 0.4 23 1.8 27 0.2 7 0.0 ** 0.0 ** 0.0 ** 0.0 ** 1.0 18 7.5 7 7.5 1969 11.0 25 0.0 ** 0.6 24 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.3 28 0.9 4 0.5 3 11.0 1970 1.2 12 0.4 23 0.0 ** 0.0 ** 0.5 2 0.0 ** 0.3 18 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 1.2 1971 0.0 ** 0.2 24 8.0 6 0.6 26 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 14.0 12 13.0 20 14.0 1972 4.5 27 20.0 9 12.5 2 6.0 25 18.0 10 0.0 ** 0.0 ** ***** ** 0.0 ** 0.0 ** 0.0 ** 6.0 7 ***** 1973 2.0 18 14.5 10 2.0 22 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 5.0 24 14.5 1974 ***** ** 13.0 19 12.0 2 6.0 25 5.5 21 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.1 8 6.0 27 ***** 1975 9.5 25 1.0 22 0.0 ** 32.0 17 2.5 14 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 4.0 29 2.0 20 32.0 1976 0.0 ** 4.5 24 17.5 25 7.0 5 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 20.0 30 7.0 29 7.0 31 20.0 1977 8.0 18 0.0 ** 0.0 ** 15.0 1 10.0 25 0.0 ** 0.0 ** 0.0 ** 0.0 ** 13.0 26 2.0 13 3.0 24 15.0 1978 5.0 27 17.0 25 5.0 7 3.0 13 5.0 2 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 5.5 11 23.0 3 23.0 1979 17.0 24 4.0 18 15.0 16 2.0 14 53.0 8 7.0 4 0.0 ** 0.0 ** 0.0 ** 0.0 ** 1.0 5 10.0 16 53.0 1980 8.0 23 7.0 25 1.5 27 3.0 4 6.5 17 0.0 ** 0.0 ** 0.0 ** 0.0 ** 1.0 26 1.5 25 3.5 21 8.0 1981 4.0 4 10.0 11 7.5 28 3.5 17 0.0 ** 2.0 27 0.5 22 0.0 ** 0.0 ** 3.0 14 4.0 23 0.5 26 10.0 1982 9.5 17 24.0 25 7.5 29 0.0 ** 2.0 25 0.0 ** 0.0 ** 0.0 ** 0.0 ** 1.0 3 3.5 11 17.5 16 24.0 1983 12.5 21 0.0 ** 12.0 6 18.0 2 1.0 3 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 4.0 17 18.0 1984 16.5 16 16.0 24 9.0 23 1.5 17 3.0 10 0.0 ** 0.0 ** 0.0 ** 0.0 ** 1.0 8 2.0 16 0.0 ** 16.5 1985 2.5 2 2.5 1 1.0 4 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.0 14 2.0 23 2.5 1986 ***** ** 17.0 16 9.0 8 3.0 11 0.2 5 0.0 ** 0.3 22 0.0 ** 0.0 ** 0.0 ** 2.3 23 13.0 20 ***** 1987 0.0 ** 6.0 21 52.0 31 18.0 5 1.0 28 0.0 ** 0.3 26 0.0 ** 0.0 ** 11.0 27 0.0 ** 0.0 ** 52.0 1988 2.0 7 22.0 3 24.0 24 1.0 26 0.0 ** 0.0 ** 0.5 28 0.2 25 0.2 3 0.3 16 0.3 15 0.6 17 24.0 1989 5.0 3 12.2 19 2.0 16 0.4 30 0.8 8 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.0 9 1.5 15 12.2 1990 9.0 2 5.0 16 1.0 30 3.8 11 0.3 13 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 12.0 26 12.0 1991 8.2 3 6.0 22 6.2 6 1.0 5 25.0 5 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.0 17 0.9 16 12.0 22 25.0 1992 3.6 25 0.2 27 3.0 10 16.9 7 13.2 12 1.0 3 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 11.3 4 16.9 1993 11.0 14 16.4 23 2.0 9 13.0 27 19.9 7 0.8 3 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.0 5 1.0 3 19.9 1994 4.0 24 0.4 24 9.0 12 2.5 2 4.0 6 0.0 ** 0.0 ** 0.0 ** 0.0 ** 4.0 16 7.2 17 0.8 1 9.0 1995 1.0 1 12.2 6 4.9 21 6.6 13 0.5 28 0.0 ** 0.0 ** 0.0 ** 0.7 22 0.0 ** 0.0 ** 5.0 12 12.2 1996 15.0 12 29.0 22 19.0 4 5.0 22 10.0 14 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.2 15 29.0 1997 8.0 17 0.2 19 7.4 25 1.0 4 3.2 5 3.0 6 0.0 ** 0.0 ** 0.0 ** 0.9 24 2.0 13 4.0 14 8.0 1998 8.0 5 14.1 12 25.0 1 3.0 6 7.2 30 0.0 ** 0.2 25 0.0 ** 0.1 14 0.8 11 0.0 ** 0.1 3 25.0 1999 10.8 18 0.1 4 30.0 2 4.0 22 0.0 ** 0.0 ** 0.6 15 0.0 ** 0.0 ** 0.0 ** 5.3 11 2.0 16 30.0 2000 12.2 29 4.4 14 0.2 25 3.0 20 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.4 4 6.8 4 1.0 6 6.8 6 12.2 HIG. 17.0 24 29.0 22 52.0 31 32.0 17 53.0 8 7.0 4 0.6 15 0.2 25 1.0 10 20.0 30 14.0 12 23.0 3 53.0 YEAR 1979 1996 1987 1975 1979 1979 1999 1988 1963 1976 1971 1978 1979 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 11 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 MET. MONTHLY TOTAL PRECIPITATION WITH SEASONAL PERCENT. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL SEASONAL-PERCENT ----------------------- 1961 9.0 0.0 7.0 45.0 13.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 74.0 21.6 78.4 0.0 0.0 1962 14.0 1.0 1.0 37.0 0.0 0.0 0.0 0.0 0.0 3.0 0.0 9.5 65.5 24.4 56.5 0.0 19.1 1963 0.0 4.0 26.0 7.0 6.0 0.0 0.0 0.0 1.0 0.0 0.0 3.0 47.0 63.8 27.7 2.1 6.4 1964 ****** 5.0 15.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 17.0 ****** 54.1 0.0 0.0 45.9 1965 18.0 0.0 15.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 33.0 100.0 0.0 0.0 0.0 1966 5.0 6.0 1.2 1.5 2.1 0.0 0.0 0.0 0.0 0.8 0.0 0.3 16.9 72.2 21.3 0.0 6.5 1967 1.5 0.4 0.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 0.8 0.0 4.7 40.4 42.6 0.0 17.0 1968 0.0 1.7 1.3 0.4 2.0 0.2 0.0 0.0 0.0 0.0 2.5 7.9 16.0 18.8 16.3 0.0 65.0 1969 30.0 0.0 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.9 0.8 32.6 93.9 0.0 0.0 6.1 1970 1.4 0.4 0.0 0.0 0.5 0.0 0.3 0.0 0.0 0.0 0.0 0.0 2.6 69.2 19.2 11.5 0.0 1971 0.0 0.2 8.7 1.1 0.0 0.0 0.0 0.0 0.0 0.0 17.5 24.0 51.5 17.3 2.1 0.0 80.6 1972 7.3 38.0 28.5 6.0 23.5 0.0 0.0 ****** 0.0 0.0 0.0 10.0 ****** 65.1 26.0 0.0 8.8 1973 2.0 14.5 2.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10.0 28.5 64.9 0.0 0.0 35.1 1974 ****** 30.5 26.0 6.0 5.5 0.0 0.0 0.0 0.0 0.0 0.1 14.0 ****** 68.8 14.0 0.0 17.2 1975 19.5 1.0 0.0 43.0 2.5 0.0 0.0 0.0 0.0 0.0 11.0 7.0 84.0 24.4 54.2 0.0 21.4 1976 0.0 9.5 51.5 10.0 0.0 0.0 0.0 0.0 0.0 26.5 13.5 11.0 122.0 50.0 8.2 0.0 41.8 1977 40.0 0.0 0.0 52.5 22.0 0.0 0.0 0.0 0.0 19.0 3.0 8.5 145.0 27.6 51.4 0.0 21.0 1978 11.5 44.0 11.0 3.0 5.0 0.0 0.0 0.0 0.0 0.0 19.0 41.0 134.5 49.4 5.9 0.0 44.6 1979 25.0 8.0 33.0 2.0 67.0 7.0 0.0 0.0 0.0 0.0 1.0 22.0 165.0 40.0 46.1 0.0 13.9 1980 16.0 13.0 3.5 3.0 8.5 0.0 0.0 0.0 0.0 1.5 3.0 5.5 54.0 60.2 21.3 0.0 18.5 1981 7.5 17.0 20.0 4.0 0.0 2.0 0.5 0.0 0.0 3.0 4.0 0.5 58.5 76.1 10.3 0.9 12.8 1982 18.5 31.0 17.5 0.0 2.0 0.0 0.0 0.0 0.0 1.0 5.5 25.0 100.5 66.7 2.0 0.0 31.3 1983 23.0 0.0 16.0 40.5 2.0 0.0 0.0 0.0 0.0 0.0 0.0 11.0 92.5 42.2 45.9 0.0 11.9 1984 20.5 16.0 22.5 1.5 9.5 0.0 0.0 0.0 0.0 1.0 2.0 0.0 73.0 80.8 15.1 0.0 4.1 1985 4.5 3.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.0 2.0 12.5 68.0 0.0 0.0 32.0 1986 ****** 34.9 25.5 12.0 0.5 0.0 0.3 0.0 0.0 0.0 4.0 18.4 ****** 63.2 13.1 0.3 23.4 1987 0.0 8.5 68.8 26.7 2.0 0.0 0.3 0.0 0.0 14.0 0.0 0.0 120.3 64.3 23.9 0.2 11.6 1988 4.5 44.9 58.5 2.7 0.0 0.0 0.6 0.2 0.2 0.3 0.3 1.0 113.2 95.3 2.4 0.9 1.4 1989 10.9 25.3 4.6 0.4 0.9 0.0 0.0 0.0 0.0 0.0 5.3 1.8 49.2 82.9 2.6 0.0 14.4 1990 26.2 13.4 2.3 5.9 0.3 0.0 0.0 0.0 0.0 0.0 0.0 12.0 60.1 69.7 10.3 0.0 20.0 1991 21.0 6.6 13.3 1.3 31.4 0.0 0.0 0.0 0.0 4.0 0.9 23.0 101.5 40.3 32.2 0.0 27.5 1992 6.2 0.2 7.7 19.3 30.8 1.9 0.0 0.0 0.0 0.0 0.0 25.7 91.8 15.4 56.6 0.0 28.0 1993 22.4 35.4 2.9 22.5 24.2 0.8 0.0 0.0 0.0 0.0 2.1 2.1 112.4 54.0 42.3 0.0 3.7 1994 7.1 0.4 17.3 8.1 4.2 0.0 0.0 0.0 0.0 5.0 11.0 0.8 53.9 46.0 22.8 0.0 31.2 1995 1.0 29.7 6.9 19.2 0.5 0.0 0.0 0.0 1.2 0.0 0.0 11.4 69.9 53.8 28.2 1.7 16.3 1996 19.8 48.1 36.1 9.8 23.8 0.0 0.0 0.0 0.0 0.0 0.0 0.2 137.8 75.5 24.4 0.0 0.1 1997 8.0 0.2 11.8 1.2 3.3 3.9 0.0 0.0 0.0 1.3 4.0 11.5 45.2 44.2 18.6 0.0 37.2 1998 15.3 24.9 29.7 7.6 11.2 0.0 0.2 0.0 0.1 1.3 0.0 0.1 90.4 77.3 20.8 0.3 1.5 1999 35.8 0.2 61.6 6.0 0.0 0.0 1.0 0.0 0.0 0.0 12.6 2.5 119.7 81.5 5.0 0.8 12.6 2000 14.7 7.6 0.2 3.0 0.0 0.0 0.0 0.0 0.4 7.0 2.4 18.0 53.3 42.2 5.6 0.8 51.4 MEAN 12.6 13.1 16.4 10.3 7.6 0.4 0.1 0.0 0.1 2.2 3.2 9.0 75.0 56.5 24.3 0.0 19.2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 12 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 MET. NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 4 0 3 6 2 0 0 0 0 0 0 0 15 1962 2 1 1 2 0 0 0 0 0 2 0 3 11 1963 0 2 2 2 3 0 0 0 1 0 0 1 11 1964 *** 1 3 0 0 0 0 0 0 0 0 3 *** 1965 4 0 1 0 0 0 0 0 0 0 0 0 5 1966 1 1 2 1 2 0 0 0 0 2 0 1 10 1967 1 1 0 4 0 0 0 0 0 0 2 0 8 1968 0 3 3 1 2 1 0 0 0 0 4 2 16 1969 5 0 1 0 0 0 0 0 0 1 1 2 10 1970 2 1 0 0 1 0 1 0 0 0 0 0 5 1971 0 1 2 2 0 0 0 0 0 0 2 2 9 1972 5 3 4 1 2 0 0 *** 0 0 0 2 *** 1973 1 1 1 0 0 0 0 0 0 0 0 3 6 1974 *** 6 4 1 1 0 0 0 0 0 1 4 *** 1975 4 1 0 4 1 0 0 0 0 0 4 4 18 1976 0 3 7 3 0 0 0 0 0 2 2 2 19 1977 9 0 0 6 3 0 0 0 0 3 2 5 28 1978 4 5 5 1 1 0 0 0 0 0 7 4 27 1979 4 3 5 1 3 1 0 0 0 0 1 4 22 1980 3 4 3 1 2 0 0 0 0 2 3 3 21 1981 3 3 3 2 0 1 1 0 0 1 1 1 16 1982 4 5 4 0 1 0 0 0 0 1 2 2 19 1983 4 0 2 7 2 0 0 0 0 0 0 3 18 1984 4 1 6 1 4 0 0 0 0 1 1 0 18 1985 3 2 1 0 0 0 0 0 0 0 1 1 8 1986 *** 6 8 9 3 0 1 0 0 0 6 7 *** 1987 0 5 8 6 4 0 1 0 0 3 0 0 27 1988 5 8 7 3 0 0 2 1 1 1 1 2 31 1989 4 6 5 1 2 0 0 0 0 0 4 2 24 1990 7 5 3 3 1 0 0 0 0 0 0 1 20 1991 9 3 10 4 4 0 0 0 0 3 1 7 41 1992 9 1 6 5 11 3 0 0 0 0 0 9 44 1993 5 7 5 4 5 1 0 0 0 0 2 4 33 1994 3 1 5 6 2 0 0 0 0 3 5 1 26 1995 1 5 2 7 1 0 0 0 2 0 0 5 23 1996 5 7 10 4 5 0 0 0 0 0 0 1 32 1997 1 1 4 2 2 3 0 0 0 2 4 5 24 1998 6 6 5 5 2 0 1 0 1 2 0 1 29 1999 8 2 7 5 0 0 3 0 0 0 4 3 32 2000 5 4 1 1 0 0 0 0 1 2 4 10 28 MEAN 4 3 4 3 2 0 0 0 0 1 2 3 22 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 13 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 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 0 3 6 2 0 0 0 0 0 0 0 15 1962 2 1 1 2 0 0 0 0 0 2 0 3 11 1963 0 2 2 2 3 0 0 0 1 0 0 1 11 1964 *** 1 3 0 0 0 0 0 0 0 0 3 *** 1965 4 0 1 0 0 0 0 0 0 0 0 0 5 1966 1 1 1 1 1 0 0 0 0 0 0 0 5 1967 1 0 0 1 0 0 0 0 0 0 0 0 2 1968 0 1 0 0 1 0 0 0 0 0 1 1 4 1969 5 0 0 0 0 0 0 0 0 0 0 0 5 1970 1 0 0 0 0 0 0 0 0 0 0 0 1 1971 0 0 1 0 0 0 0 0 0 0 2 2 5 1972 2 3 4 1 2 0 0 *** 0 0 0 2 *** 1973 1 1 1 0 0 0 0 0 0 0 0 3 6 1974 *** 6 4 1 1 0 0 0 0 0 0 4 *** 1975 4 1 0 4 1 0 0 0 0 0 4 4 18 1976 0 3 7 3 0 0 0 0 0 2 2 2 19 1977 9 0 0 6 3 0 0 0 0 3 2 4 27 1978 4 5 5 1 1 0 0 0 0 0 7 4 27 1979 4 3 5 1 3 1 0 0 0 0 1 4 22 1980 3 4 3 1 2 0 0 0 0 1 2 3 19 1981 3 3 3 1 0 1 0 0 0 1 1 0 13 1982 4 4 4 0 1 0 0 0 0 1 2 2 18 1983 4 0 2 7 2 0 0 0 0 0 0 3 18 1984 4 1 6 1 4 0 0 0 0 1 1 0 18 1985 3 1 1 0 0 0 0 0 0 0 1 1 7 1986 *** 6 4 6 0 0 0 0 0 0 1 3 *** 1987 0 2 5 5 1 0 0 0 0 3 0 0 16 1988 1 5 5 2 0 0 0 0 0 0 0 0 13 1989 2 4 2 0 0 0 0 0 0 0 3 1 12 1990 5 5 1 2 0 0 0 0 0 0 0 1 14 1991 5 1 4 1 3 0 0 0 0 3 0 3 20 1992 2 0 2 2 6 1 0 0 0 0 0 5 18 1993 4 6 1 3 2 0 0 0 0 0 1 1 18 1994 2 0 5 4 1 0 0 0 0 1 2 0 15 1995 1 4 2 6 0 0 0 0 0 0 0 4 17 1996 3 5 4 3 4 0 0 0 0 0 0 0 19 1997 1 0 3 1 1 1 0 0 0 0 2 4 13 1998 3 4 4 3 2 0 0 0 0 0 0 0 16 1999 8 0 5 2 0 0 0 0 0 0 3 1 19 2000 2 3 0 1 0 0 0 0 0 1 2 5 14 MEAN 3 2 3 2 1 0 0 0 0 0 1 2 14 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 14 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 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 0 0 0 2 1 0 0 0 0 0 0 0 3 1962 0 0 0 2 0 0 0 0 0 0 0 0 2 1963 0 0 1 0 0 0 0 0 0 0 0 0 1 1964 *** 0 1 0 0 0 0 0 0 0 0 0 *** 1965 0 0 1 0 0 0 0 0 0 0 0 0 1 1966 0 0 0 0 0 0 0 0 0 0 0 0 0 1967 0 0 0 0 0 0 0 0 0 0 0 0 0 1968 0 0 0 0 0 0 0 0 0 0 0 0 0 1969 1 0 0 0 0 0 0 0 0 0 0 0 1 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 1 2 3 1972 0 2 2 0 1 0 0 *** 0 0 0 0 *** 1973 0 1 0 0 0 0 0 0 0 0 0 0 1 1974 *** 2 1 0 0 0 0 0 0 0 0 0 *** 1975 0 0 0 1 0 0 0 0 0 0 0 0 1 1976 0 0 2 0 0 0 0 0 0 1 0 0 3 1977 0 0 0 3 1 0 0 0 0 1 0 0 5 1978 0 3 0 0 0 0 0 0 0 0 0 1 4 1979 1 0 2 0 1 0 0 0 0 0 0 1 5 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 0 1 0 0 0 0 0 0 0 0 0 0 1 1982 0 1 0 0 0 0 0 0 0 0 0 1 2 1983 1 0 1 2 0 0 0 0 0 0 0 0 4 1984 1 1 0 0 0 0 0 0 0 0 0 0 2 1985 0 0 0 0 0 0 0 0 0 0 0 0 0 1986 *** 1 0 0 0 0 0 0 0 0 0 1 *** 1987 0 0 1 1 0 0 0 0 0 1 0 0 3 1988 0 2 3 0 0 0 0 0 0 0 0 0 5 1989 0 1 0 0 0 0 0 0 0 0 0 0 1 1990 0 0 0 0 0 0 0 0 0 0 0 1 1 1991 0 0 0 0 1 0 0 0 0 0 0 1 2 1992 0 0 0 1 1 0 0 0 0 0 0 1 3 1993 1 1 0 1 1 0 0 0 0 0 0 0 4 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 1 0 0 0 0 0 0 0 0 0 0 1 1996 1 1 1 0 1 0 0 0 0 0 0 0 4 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 1 1 0 0 0 0 0 0 0 0 0 2 1999 1 0 2 0 0 0 0 0 0 0 0 0 3 2000 1 0 0 0 0 0 0 0 0 0 0 0 1 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 15 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 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 64 54 69 42 36 35 45 44 50 59 63 53 1962 70 60 62 58 50 46 45 50 55 54 55 63 56 1963 67 67 67 58 54 43 40 48 47 59 66 69 57 1964 *** 72 69 59 54 47 44 53 51 55 79 77 *** 1965 79 68 64 46 41 40 41 47 61 69 82 72 59 1966 71 75 66 52 41 30 35 39 37 54 57 63 52 1967 52 62 47 51 34 26 30 29 29 43 50 49 42 1968 49 63 50 43 37 28 26 25 28 38 69 63 43 1969 69 68 48 37 32 23 29 37 43 46 60 60 46 1970 73 63 62 39 29 21 24 26 28 42 57 62 44 1971 60 60 58 51 25 20 20 27 37 48 73 66 45 1972 73 85 80 43 42 22 21 *** 38 37 53 72 *** 1973 83 69 51 39 29 23 27 31 28 34 56 59 44 1974 *** 73 71 43 41 33 29 33 36 44 45 56 *** 1975 58 47 52 38 35 20 18 25 26 39 60 65 40 1976 59 59 70 45 32 23 18 13 25 *** 68 69 *** 1977 65 65 44 50 42 28 25 22 27 49 63 68 46 1978 68 70 58 41 35 35 31 27 29 42 62 68 47 1979 72 68 60 37 48 36 27 30 33 40 57 69 48 1980 69 70 61 47 46 23 27 25 30 47 54 63 47 1981 67 62 50 46 35 24 21 21 27 43 51 63 43 1982 66 67 61 40 31 26 27 28 33 41 66 81 47 1983 77 64 54 53 33 23 22 25 32 37 43 60 44 1984 68 72 56 36 33 26 26 26 39 41 61 74 47 1985 69 58 64 45 31 23 28 40 37 50 64 66 48 1986 *** 71 58 55 33 29 28 30 29 38 56 68 *** 1987 58 57 53 47 34 23 36 32 38 50 42 53 44 1988 58 67 53 46 30 28 32 31 31 36 39 49 42 1989 69 65 53 31 32 23 27 27 29 34 51 58 42 1990 76 65 46 38 29 22 30 29 27 37 44 60 42 1991 82 60 66 37 39 29 30 32 36 46 54 65 48 1992 72 52 55 50 53 34 29 42 33 39 44 71 48 1993 77 79 58 45 36 31 31 33 31 35 55 63 48 1994 62 49 51 37 35 32 34 27 33 52 52 58 44 1995 58 60 51 55 32 32 28 28 31 43 38 75 44 1996 80 72 70 44 47 31 31 28 32 38 45 51 47 1997 56 42 47 37 33 33 26 26 29 38 60 75 42 1998 74 68 55 42 36 31 33 33 36 41 43 56 46 1999 73 53 64 46 33 31 40 30 39 42 60 67 48 2000 57 65 36 30 28 28 29 30 33 48 60 79 44 MEAN 68 64 57 45 37 29 30 32 35 44 56 65 47 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 16 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 52 33 25 41 24 21 17 21 23 27 36 46 31 1962 48 33 33 33 30 29 25 31 33 29 37 51 34 1963 42 44 41 35 32 23 19 26 24 32 38 47 34 1964 *** 46 42 33 38 33 29 33 32 38 47 58 *** 1965 68 42 36 32 26 23 20 32 33 38 51 49 38 1966 44 47 39 29 21 14 17 16 20 33 28 31 28 1967 40 42 22 25 18 10 12 13 17 18 28 31 23 1968 32 40 27 22 15 15 16 13 14 17 49 52 26 1969 60 52 24 20 13 11 12 16 18 20 39 36 27 1970 52 32 30 21 14 13 13 13 15 22 22 41 24 1971 42 35 28 19 14 12 13 16 18 20 35 43 25 1972 70 61 40 22 21 13 14 *** 15 17 29 57 *** 1973 52 38 26 21 14 18 21 18 15 19 41 53 28 1974 *** 61 43 25 23 16 15 24 16 22 21 37 *** 1975 45 28 26 20 17 11 6 7 9 13 23 41 21 1976 19 37 33 16 16 14 14 6 4 *** 32 47 *** 1977 56 26 12 24 26 45 15 19 13 18 31 36 27 1978 34 43 32 13 17 10 13 11 15 25 39 39 24 1979 40 37 34 13 21 14 13 14 11 16 31 48 24 1980 41 40 31 17 16 15 11 14 16 24 31 34 24 1981 39 33 23 20 20 17 17 11 15 19 22 27 22 1982 37 30 30 15 18 12 11 11 13 18 37 48 23 1983 52 24 24 25 15 11 9 11 14 18 20 38 22 1984 42 41 31 14 15 10 10 13 14 18 30 38 23 1985 41 19 25 15 10 10 14 15 14 22 29 39 21 1986 *** 46 35 28 16 16 12 15 13 24 34 49 *** 1987 30 30 31 24 19 10 23 15 22 29 21 30 24 1988 31 47 31 23 14 14 17 14 13 18 21 27 23 1989 42 40 26 15 19 11 13 12 14 19 27 34 23 1990 51 35 24 21 14 13 17 15 15 19 24 36 24 1991 54 35 39 18 20 14 16 17 18 25 31 46 28 1992 48 27 30 26 29 17 14 22 16 20 26 51 27 1993 56 53 29 22 19 14 14 16 15 19 34 37 27 1994 40 27 29 19 20 17 19 14 16 33 32 31 25 1995 34 40 26 32 16 17 15 14 14 22 21 50 25 1996 55 47 44 25 24 17 14 13 15 19 26 28 27 1997 33 25 24 18 17 18 13 13 14 21 36 49 23 1998 49 43 34 19 18 15 16 16 20 20 24 34 26 1999 49 26 39 26 19 17 24 15 22 24 35 39 28 2000 38 32 18 15 15 14 14 15 16 27 38 51 24 MEAN 45 38 30 23 19 16 15 16 17 23 31 41 26 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 17 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 64 46 37 49 30 26 22 28 29 36 54 67 41 1962 70 54 45 46 37 33 31 37 45 47 60 71 48 1963 62 58 53 44 41 29 32 33 42 47 56 63 47 1964 *** 59 57 44 47 38 34 41 39 49 58 71 *** 1965 80 53 45 30 28 27 25 36 43 52 60 63 45 1966 65 64 43 36 23 16 20 19 24 39 37 46 36 1967 57 55 28 36 22 13 17 15 20 28 43 47 32 1968 46 56 37 32 22 17 19 16 19 30 64 63 35 1969 68 65 38 26 21 14 14 20 24 32 48 52 35 1970 62 43 38 27 21 15 18 15 15 28 36 56 31 1971 57 42 35 30 17 15 17 18 22 33 52 58 33 1972 75 68 50 30 31 16 15 *** 18 21 41 64 *** 1973 55 45 34 28 19 20 22 19 20 27 44 62 33 1974 *** 67 49 34 31 17 16 14 15 18 29 43 *** 1975 50 39 42 31 18 12 7 10 11 20 37 60 28 1976 49 51 46 24 14 14 10 8 7 *** 48 54 *** 1977 61 40 15 27 23 44 13 27 15 26 42 46 32 1978 45 54 39 18 18 11 12 12 18 31 45 45 29 1979 50 58 38 17 27 16 15 17 15 23 34 53 30 1980 52 44 39 25 18 15 14 14 17 30 36 42 29 1981 49 41 29 22 18 16 16 12 17 25 30 31 26 1982 39 34 32 18 19 14 13 14 15 26 46 58 27 1983 63 35 32 35 17 12 11 14 17 22 24 44 27 1984 50 49 38 20 18 12 11 14 15 24 39 48 28 1985 53 26 29 19 11 9 14 16 15 24 30 46 24 1986 *** 53 40 32 17 14 12 15 16 24 41 51 *** 1987 36 38 36 29 20 10 24 16 23 34 29 36 28 1988 42 51 35 27 12 15 15 15 14 22 26 34 26 1989 48 46 32 16 20 10 13 13 16 23 33 40 26 1990 60 44 27 20 13 13 17 14 17 23 29 45 27 1991 64 44 40 19 19 12 16 17 18 28 37 54 31 1992 56 33 31 27 29 16 13 24 17 24 29 62 30 1993 63 60 30 28 20 13 13 15 17 22 37 41 30 1994 46 32 31 21 19 14 18 14 17 35 40 37 27 1995 37 43 30 34 15 14 14 13 16 25 25 60 27 1996 63 52 47 27 26 16 13 13 17 24 31 34 30 1997 39 28 25 21 18 18 13 13 16 25 41 55 26 1998 56 46 35 23 17 14 15 15 22 24 29 39 28 1999 62 33 44 28 19 17 24 16 23 28 44 49 32 2000 43 40 20 15 14 13 15 16 17 29 42 62 27 MEAN 55 47 37 28 22 17 17 18 20 29 40 51 32 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 18 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 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 4 6 0 0 0 0 0 0 0 0 0 0 10 1962 0 1 0 0 0 0 0 0 0 0 5 2 8 1963 3 0 0 0 0 0 0 0 0 0 0 9 12 1964 *** 1 0 0 0 0 0 0 0 0 1 16 *** 1965 4 0 0 0 0 0 0 0 0 0 0 2 6 1966 0 0 0 0 0 0 0 0 0 0 0 1 1 1967 5 2 0 0 0 0 0 0 0 0 1 7 15 1968 7 4 0 0 0 0 0 0 0 0 0 0 11 1969 6 3 0 0 0 0 0 0 0 0 0 0 9 1970 0 0 0 0 0 0 0 0 0 0 0 6 6 1971 7 1 0 0 0 0 0 0 0 0 0 0 8 1972 6 11 0 0 0 0 0 *** 0 0 0 8 *** 1973 21 2 0 0 0 0 0 0 0 0 0 8 31 1974 *** 18 0 0 0 0 0 0 0 0 0 10 *** 1975 7 5 1 0 0 0 0 0 0 0 0 12 25 1976 1 7 0 0 0 0 0 0 0 0 2 0 10 1977 13 2 0 0 0 0 0 0 0 0 0 6 21 1978 7 1 0 0 0 0 0 0 0 0 0 0 8 1979 1 0 0 0 0 0 0 0 0 0 2 0 3 1980 1 4 0 0 0 0 0 0 0 0 0 0 5 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 2 1 0 0 0 0 0 0 0 0 0 9 12 1983 11 1 0 0 0 0 0 0 0 0 0 9 21 1984 5 11 0 0 0 0 0 0 0 0 0 7 23 1985 7 0 0 0 0 0 0 0 0 0 0 0 7 1986 *** 0 0 0 0 0 0 0 0 0 0 6 *** 1987 0 0 0 0 0 0 0 0 0 0 0 1 1 1988 3 0 0 0 0 0 0 0 0 0 0 2 5 1989 9 10 0 0 0 0 0 0 0 0 0 0 19 1990 2 0 0 0 0 0 0 0 0 0 0 1 3 1991 0 3 0 0 0 0 0 0 0 0 0 1 4 1992 5 1 0 0 0 0 0 0 0 0 0 1 7 1993 0 0 0 0 0 0 0 0 0 0 0 1 1 1994 2 0 0 0 0 0 0 0 0 0 0 6 8 1995 1 0 0 0 0 0 0 0 0 0 0 0 1 1996 3 0 0 0 0 0 0 0 0 0 0 0 3 1997 0 5 0 0 0 0 0 0 0 0 0 0 5 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 3 0 0 0 0 0 0 0 0 0 0 0 3 2000 3 0 0 0 0 0 0 0 0 0 0 0 3 MEAN 4 3 0 0 0 0 0 0 0 0 0 3 10 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 19 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 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 22 30 21 13 0 0 0 92 1962 0 0 0 0 6 21 31 19 3 0 0 0 80 1963 0 0 0 2 3 24 28 23 1 0 0 0 81 1964 *** 0 0 2 6 26 31 31 11 0 0 0 *** 1965 0 0 0 1 13 28 31 22 4 0 0 0 99 1966 0 0 0 2 9 28 31 27 14 0 0 0 111 1967 0 0 0 1 10 16 31 22 11 0 0 0 91 1968 0 0 0 0 4 24 25 21 4 0 0 0 78 1969 0 0 0 0 6 28 29 22 0 0 0 0 85 1970 0 0 0 0 13 23 29 30 9 0 0 0 104 1971 0 0 0 0 15 28 29 30 11 0 0 0 113 1972 0 0 0 0 3 26 29 *** 3 0 0 0 *** 1973 0 0 0 1 2 26 31 18 7 0 0 0 85 1974 *** 0 0 0 3 20 29 15 1 0 0 0 *** 1975 0 0 0 0 1 23 30 22 1 0 0 0 77 1976 0 0 0 0 1 14 31 25 15 0 0 0 86 1977 0 0 0 2 8 29 31 22 8 0 0 0 100 1978 0 0 0 0 9 19 28 25 5 0 0 0 86 1979 0 0 0 4 1 27 31 16 4 0 0 0 83 1980 0 0 0 0 8 24 31 28 5 1 0 0 97 1981 0 0 0 0 4 14 30 26 8 0 0 0 82 1982 0 0 0 0 10 23 23 24 4 0 0 0 84 1983 0 0 0 0 15 27 31 30 13 0 0 0 116 1984 0 0 0 1 4 22 31 31 8 0 0 0 97 1985 0 0 0 0 0 26 30 2 5 0 0 0 63 1986 *** 0 0 0 10 27 29 20 2 0 0 0 *** 1987 0 0 0 5 12 29 30 31 10 1 0 0 118 1988 0 0 0 2 7 30 31 27 14 0 0 0 111 1989 0 0 0 1 8 28 31 29 12 0 0 0 109 1990 0 0 0 2 12 26 31 31 15 0 0 0 117 1991 0 0 0 1 7 25 30 27 11 0 0 0 101 1992 0 0 0 1 5 28 31 20 3 0 0 0 88 1993 0 0 0 0 13 24 31 28 13 0 0 0 109 1994 0 0 0 4 10 26 31 31 4 0 0 0 106 1995 0 0 0 0 5 22 30 31 13 0 0 0 101 1996 0 0 0 0 12 28 31 30 18 1 0 0 120 1997 0 0 0 0 12 29 31 26 9 4 0 0 111 1998 0 0 0 2 11 30 31 31 12 1 0 0 118 1999 0 0 0 0 12 30 30 30 13 1 0 0 116 2000 0 0 0 3 15 23 29 30 19 0 0 0 119 MEAN 0 0 0 1 8 25 30 25 8 0 0 0 97 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 20 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 MET. NO. OF DAYS MAXIMUM TEMPERATURE EQUAL OR LESS THAN 0 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 0 0 0 0 0 0 0 0 0 0 0 0 0 1962 0 0 0 0 0 0 0 0 0 0 0 0 0 1963 0 0 0 0 0 0 0 0 0 0 0 0 0 1964 *** 0 0 0 0 0 0 0 0 0 0 0 *** 1965 0 0 0 0 0 0 0 0 0 0 0 0 0 1966 0 0 0 0 0 0 0 0 0 0 0 0 0 1967 0 0 0 0 0 0 0 0 0 0 0 0 0 1968 0 0 0 0 0 0 0 0 0 0 0 0 0 1969 0 0 0 0 0 0 0 0 0 0 0 0 0 1970 0 0 0 0 0 0 0 0 0 0 0 0 0 1971 0 0 0 0 0 0 0 0 0 0 0 0 0 1972 0 1 0 0 0 0 0 *** 0 0 0 0 *** 1973 0 0 0 0 0 0 0 0 0 0 0 0 0 1974 *** 0 0 0 0 0 0 0 0 0 0 0 *** 1975 0 0 0 0 0 0 0 0 0 0 0 0 0 1976 0 0 0 0 0 0 0 0 0 0 0 0 0 1977 *** *** *** *** *** 0 *** 0 0 0 0 0 *** 1978 0 0 0 0 0 0 0 0 0 0 0 0 0 1979 0 0 0 0 0 0 0 0 0 0 0 0 0 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 *** 0 0 0 0 0 0 0 0 0 0 0 *** 1982 0 0 0 0 0 0 0 0 0 0 0 0 0 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 1985 0 0 0 0 0 0 0 0 0 0 0 0 0 1986 *** 0 0 0 0 0 0 0 0 0 0 0 *** 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 0 0 0 0 0 0 0 0 1989 0 0 0 0 0 0 0 0 0 0 0 0 0 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 0 0 0 0 0 0 0 0 0 0 0 0 0 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 21 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 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 6 29 29 31 30 30 20 0 0 175 1962 0 0 4 4 24 29 29 31 21 17 0 0 159 1963 0 0 0 12 20 30 31 31 29 20 0 0 173 1964 *** 0 3 10 30 30 31 31 30 12 0 0 *** 1965 0 0 2 9 29 30 31 31 30 24 3 0 189 1966 0 0 0 10 26 30 31 31 29 7 0 0 164 1967 0 0 0 7 22 29 31 31 28 11 1 0 160 1968 0 0 2 9 26 30 31 31 29 20 0 0 178 1969 0 0 4 9 29 30 31 31 30 20 0 0 184 1970 0 0 1 17 28 30 31 31 24 18 2 0 182 1971 0 0 6 8 31 30 31 31 25 10 2 0 174 1972 0 0 0 11 15 30 31 *** 30 29 1 0 *** 1973 0 0 1 14 31 30 31 31 30 26 0 0 194 1974 *** 0 0 10 16 30 31 31 30 5 2 0 *** 1975 0 0 0 10 29 30 31 31 30 11 0 0 172 1976 0 0 0 4 26 30 31 31 30 10 0 0 162 1977 *** *** *** *** *** 30 *** 31 30 17 0 0 *** 1978 0 0 0 19 26 29 31 31 30 18 0 0 184 1979 0 0 0 23 21 30 31 31 26 22 2 0 186 1980 0 0 0 18 30 29 31 31 30 9 0 0 178 1981 *** 0 3 14 28 30 31 31 26 7 0 0 *** 1982 0 0 0 17 30 30 31 31 30 12 0 0 181 1983 0 0 0 6 28 30 31 31 30 8 0 0 164 1984 0 0 0 11 21 30 31 31 29 9 0 0 162 1985 0 0 0 12 28 30 31 31 30 9 0 0 171 1986 *** 0 0 3 26 30 31 30 29 17 0 0 *** 1987 0 0 0 14 26 30 31 31 30 8 0 0 170 1988 0 0 1 11 29 30 31 31 26 14 0 0 173 1989 0 0 0 10 21 30 31 31 25 17 0 0 165 1990 0 0 0 9 28 30 31 31 30 10 2 0 171 1991 0 0 0 12 19 30 30 31 23 3 0 0 148 1992 0 0 0 5 13 30 31 29 25 8 0 0 141 1993 0 0 0 6 22 30 31 31 30 3 0 0 153 1994 0 0 0 10 25 30 31 31 19 2 0 0 148 1995 0 0 0 3 23 30 31 31 27 10 0 0 155 1996 0 0 0 8 24 30 31 31 29 9 0 0 162 1997 0 0 0 5 21 30 31 31 29 14 0 0 161 1998 0 0 0 13 26 30 31 31 29 12 0 0 172 1999 0 0 0 8 28 30 31 31 27 20 0 0 175 2000 0 0 1 22 31 28 31 31 30 9 0 0 183 MEAN 0 0 1 10 25 30 31 31 28 13 0 0 169 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 22 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 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 2 8 22 2 6 0 0 0 40 1962 0 0 0 0 0 3 12 4 2 0 0 0 21 1963 0 0 0 0 0 14 25 12 7 0 0 0 58 1964 *** 0 0 0 0 13 28 29 0 0 0 0 *** 1965 0 0 0 0 5 12 18 19 3 0 0 0 57 1966 0 0 0 0 0 12 12 14 4 0 0 0 42 1967 0 0 0 0 1 6 18 12 5 0 0 0 42 1968 0 0 0 0 0 2 11 16 9 0 0 0 38 1969 0 0 0 0 2 11 17 1 0 0 0 0 31 1970 0 0 0 0 9 20 20 23 3 0 0 0 75 1971 0 0 0 0 2 17 16 16 1 0 0 0 52 1972 0 0 0 0 0 10 13 *** 2 0 0 0 *** 1973 0 0 0 0 0 21 26 4 0 0 0 0 51 1974 *** 0 0 0 0 8 16 4 0 0 0 0 *** 1975 0 0 0 0 0 15 29 13 0 0 0 0 57 1976 0 0 0 0 0 15 31 11 0 0 0 0 57 1977 *** *** *** *** *** 23 *** 10 0 0 0 0 *** 1978 0 0 0 0 0 9 14 7 0 0 0 0 30 1979 0 0 0 0 0 7 21 0 3 0 0 0 31 1980 0 0 0 0 2 16 24 16 0 0 0 0 58 1981 *** 0 0 0 2 2 17 11 2 0 0 0 *** 1982 0 0 0 0 1 19 19 10 0 0 0 0 49 1983 0 0 0 0 0 16 27 19 5 0 0 0 67 1984 0 0 0 0 1 11 14 28 5 0 0 0 59 1985 0 0 0 0 0 25 30 0 0 0 0 0 55 1986 *** 0 0 0 0 2 10 1 0 0 0 0 *** 1987 0 0 0 0 0 6 12 7 2 0 0 0 27 1988 0 0 0 0 1 9 19 11 3 0 0 0 43 1989 0 0 0 0 3 19 16 7 1 0 0 0 46 1990 0 0 0 0 2 18 15 18 4 0 0 0 57 1991 0 0 0 0 0 7 14 6 3 0 0 0 30 1992 0 0 0 0 0 10 17 2 0 0 0 0 29 1993 0 0 0 0 0 11 10 4 0 0 0 0 25 1994 0 0 0 0 0 11 22 14 0 0 0 0 47 1995 0 0 0 0 0 5 27 20 1 0 0 0 53 1996 0 0 0 0 1 7 5 9 11 0 0 0 33 1997 0 0 0 0 0 10 27 16 3 0 0 0 56 1998 0 0 0 0 1 4 17 13 3 0 0 0 38 1999 0 0 0 0 2 14 11 5 3 0 0 0 35 2000 0 0 0 0 5 14 11 10 1 0 0 0 41 MEAN 0 0 0 0 1 12 18 11 2 0 0 0 44 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 23 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 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 2 0 0 0 0 0 2 1962 0 0 0 0 0 0 0 0 0 0 0 0 0 1963 0 0 0 0 0 0 2 0 0 0 0 0 2 1964 *** 0 0 0 0 0 5 3 0 0 0 0 *** 1965 0 0 0 0 0 0 2 0 0 0 0 0 2 1966 0 0 0 0 0 1 0 0 0 0 0 0 1 1967 0 0 0 0 0 0 3 0 0 0 0 0 3 1968 0 0 0 0 0 0 2 0 0 0 0 0 2 1969 0 0 0 0 0 0 4 0 0 0 0 0 4 1970 0 0 0 0 0 2 2 0 0 0 0 0 4 1971 0 0 0 0 0 0 2 0 0 0 0 0 2 1972 0 0 0 0 0 1 1 *** 0 0 0 0 *** 1973 0 0 0 0 0 2 1 0 0 0 0 0 3 1974 *** 0 0 0 0 1 2 0 0 0 0 0 *** 1975 0 0 0 0 0 0 1 0 0 0 0 0 1 1976 0 0 0 0 0 0 0 0 0 0 0 0 0 1977 *** *** *** *** *** 0 *** 1 0 0 0 0 *** 1978 0 0 0 0 0 0 2 0 0 0 0 0 2 1979 0 0 0 0 0 0 2 0 0 0 0 0 2 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 *** 0 0 0 0 0 1 0 0 0 0 0 *** 1982 0 0 0 0 0 1 1 3 0 0 0 0 5 1983 0 0 0 0 0 0 6 1 0 0 0 0 7 1984 0 0 0 0 0 0 0 2 0 0 0 0 2 1985 0 0 0 0 0 0 1 0 0 0 0 0 1 1986 *** 0 0 0 0 0 0 0 0 0 0 0 *** 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 0 0 0 0 0 0 0 0 1989 0 0 0 0 0 0 2 0 0 0 0 0 2 1990 0 0 0 0 0 0 0 1 0 0 0 0 1 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 4 0 0 0 0 0 4 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 0 2 0 0 0 0 0 2 1998 0 0 0 0 0 0 4 0 0 0 0 0 4 1999 0 0 0 0 0 1 1 0 0 0 0 0 2 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 KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 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 17 11 2 0 0 0 0 0 0 1 5 14 50 10 31 3 6 1962 18 9 0 0 0 0 0 0 0 0 14 12 53 11 17 2 26 1963 20 5 3 0 0 0 0 0 0 0 1 23 52 11 20 3 10 1964 *** 12 0 0 0 0 0 0 0 0 2 27 *** 11 29 2 29 1965 18 15 4 0 0 0 0 0 0 0 1 16 54 11 26 3 18 1966 13 2 0 0 0 0 0 0 0 0 10 16 41 11 14 2 8 1967 22 14 4 0 0 0 0 0 0 0 1 16 57 11 30 3 4 1968 15 15 1 0 0 0 0 0 0 0 0 10 41 12 14 3 25 1969 20 16 1 0 0 0 0 0 0 0 12 7 56 11 14 3 25 1970 15 3 0 0 0 0 0 0 0 0 0 19 37 12 2 2 4 1971 24 11 0 0 0 0 0 0 0 0 0 10 45 12 6 2 20 1972 26 23 0 0 0 0 0 *** 0 0 1 18 *** 11 26 2 28 1973 30 8 2 0 0 0 0 0 0 0 0 22 62 12 6 3 11 1974 *** 28 0 0 0 0 0 0 0 0 3 28 *** 11 28 2 28 1975 22 12 4 0 0 0 0 0 0 0 4 22 64 11 6 3 9 1976 3 17 11 0 0 0 0 0 0 0 11 17 59 11 14 3 17 1977 30 20 1 0 0 0 0 0 0 0 0 7 58 12 13 3 1 1978 21 10 0 0 0 0 0 0 0 0 3 4 38 11 21 2 15 1979 11 1 2 0 0 0 0 0 0 0 12 10 36 11 17 3 5 1980 17 7 0 0 0 0 0 0 0 0 0 8 32 12 15 2 23 1981 15 6 0 0 0 0 0 0 0 0 2 4 27 11 24 2 24 1982 20 16 1 0 0 0 0 0 0 0 7 23 67 11 16 3 8 1983 22 20 1 0 0 0 0 0 0 0 0 17 60 12 15 3 12 1984 21 21 0 0 0 0 0 0 0 0 0 22 64 12 10 2 28 1985 26 7 13 0 0 0 0 0 0 0 0 12 58 12 14 3 15 1986 *** 1 3 0 0 0 0 0 0 0 1 12 *** 11 25 3 18 1987 19 5 0 0 0 0 0 0 0 0 1 9 34 11 30 2 14 1988 15 3 0 0 0 0 0 0 0 0 2 4 24 11 16 2 8 1989 25 18 0 0 0 0 0 0 0 0 0 10 53 12 8 2 27 1990 13 5 3 0 0 0 0 0 0 0 0 5 26 12 27 3 22 1991 10 11 0 0 0 0 0 0 0 0 0 10 31 12 18 2 25 1992 18 12 7 0 0 0 0 0 0 0 4 3 44 11 27 3 13 1993 17 3 0 0 0 0 0 0 0 0 4 8 32 11 16 2 19 1994 11 8 0 0 0 0 0 0 0 0 0 17 36 12 6 2 21 1995 14 2 0 0 0 0 0 0 0 0 3 13 32 11 28 2 27 1996 17 1 0 0 0 0 0 0 0 0 3 9 30 11 13 2 4 1997 6 13 2 0 0 0 0 0 0 0 0 2 23 12 24 3 10 1998 12 7 0 0 0 0 0 0 0 0 0 0 19 1 1 2 25 1999 8 0 1 0 0 0 0 0 0 0 0 2 11 12 1 3 19 2000 14 4 1 0 0 0 0 0 0 0 0 3 22 12 29 3 16 MEAN 17 10 2 0 0 0 0 0 0 0 3 12 44 10 31 3 25 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 25 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 MET. AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 5.9 7.9 13.2 17.3 28.1 31.0 33.8 30.0 28.5 20.0 13.2 9.7 19.9 1962 6.9 11.6 16.7 19.3 26.4 30.1 33.2 29.8 24.7 20.5 10.9 8.1 19.8 1963 9.4 12.5 14.1 22.3 25.4 32.3 34.6 31.6 27.6 22.4 13.6 6.3 21.0 1964 ****** 9.4 16.2 20.1 28.3 32.3 34.5 33.4 27.0 18.2 13.4 3.6 ****** 1965 5.8 9.6 14.5 20.0 28.2 32.6 34.3 31.5 27.6 23.6 16.1 9.0 21.0 1966 10.6 12.5 15.1 20.3 26.8 33.2 33.1 32.6 29.1 20.1 11.9 8.4 21.1 1967 6.5 7.3 13.9 18.9 26.3 30.4 34.1 31.6 28.7 20.6 14.6 7.5 20.0 1968 7.2 7.8 14.8 19.6 25.0 31.7 32.0 31.9 28.0 21.5 14.3 8.9 20.2 1969 4.1 6.4 17.8 20.7 26.8 32.8 33.8 30.6 26.5 22.7 10.6 9.6 20.2 1970 6.4 11.5 14.3 22.8 28.7 33.0 33.9 34.9 29.0 20.8 16.0 7.9 21.6 1971 5.9 9.6 15.8 20.1 29.8 34.1 33.9 33.3 27.6 19.4 14.6 8.8 21.1 1972 2.9 3.1 11.6 20.8 23.7 32.8 33.7 ****** 30.0 24.4 13.6 4.3 ****** 1973 2.2 10.7 15.9 21.1 27.7 34.4 35.1 31.3 29.2 25.8 16.4 4.0 21.1 1974 ****** 2.9 11.1 20.2 23.4 32.1 34.2 31.2 29.1 18.0 13.2 5.7 ****** 1975 6.1 8.7 10.2 18.8 28.2 33.6 36.8 32.7 28.0 19.2 10.9 4.7 19.8 1976 8.5 5.8 8.1 17.7 27.1 33.1 35.0 32.2 29.2 21.7 10.2 7.0 19.6 1977 1.9 7.6 16.2 21.1 27.1 34.5 35.1 33.9 30.1 21.5 12.7 8.8 20.9 1978 6.2 9.6 14.8 23.6 27.2 31.5 32.8 32.2 28.6 22.4 11.5 10.1 20.9 1979 7.6 10.3 13.6 24.1 24.2 31.7 34.5 30.6 27.9 23.2 12.1 7.8 20.6 1980 6.4 8.9 14.3 23.7 28.9 33.6 34.1 33.0 28.1 21.1 16.4 9.9 21.5 1981 7.6 10.2 16.1 21.7 27.4 30.4 33.4 31.8 26.9 20.0 16.0 9.9 20.9 1982 7.2 7.3 13.0 22.8 28.1 33.2 33.6 32.0 27.8 20.8 10.4 5.4 20.1 1983 3.9 8.2 11.6 18.6 28.4 33.4 35.7 34.0 28.6 20.2 17.3 8.4 20.7 1984 6.3 5.8 15.1 21.8 25.5 32.4 33.8 34.4 28.4 19.1 14.9 4.2 20.1 1985 6.5 10.8 11.6 21.1 25.1 33.6 34.7 30.2 28.6 20.1 15.3 9.8 20.6 1986 ****** 9.4 10.4 20.3 27.7 31.6 33.3 30.3 27.0 22.8 12.9 6.8 ****** 1987 8.6 10.9 14.9 21.6 28.5 32.4 32.9 33.1 28.0 17.4 14.8 9.1 21.0 1988 6.9 8.7 15.0 21.2 28.4 33.3 34.8 32.5 28.5 21.8 15.4 10.3 21.4 1989 3.8 5.1 14.9 22.3 26.8 34.2 35.3 32.5 27.9 22.8 15.3 10.2 20.9 1990 5.2 8.2 14.1 21.2 29.7 34.5 34.0 33.9 29.9 21.3 15.9 8.6 21.4 1991 6.6 7.4 13.7 22.6 26.0 31.8 34.0 32.3 27.6 20.9 14.3 8.6 20.5 1992 4.4 8.4 10.6 20.0 23.1 32.2 34.8 29.9 26.4 20.0 15.5 8.6 19.5 1993 4.6 8.9 12.7 21.5 26.9 32.2 33.4 31.8 28.7 18.9 12.5 8.5 20.0 1994 8.4 9.1 16.0 22.3 27.6 32.7 34.9 34.1 25.0 20.3 16.5 6.8 21.2 1995 9.0 10.1 14.9 20.5 26.6 31.7 36.4 34.5 28.1 20.0 15.3 6.4 21.1 1996 4.7 9.6 12.7 20.8 27.5 32.3 33.0 32.6 30.5 20.5 12.1 9.9 20.5 1997 8.7 8.3 13.0 21.4 27.0 33.5 36.7 33.6 28.7 24.0 13.5 9.2 21.5 1998 6.2 8.4 14.9 22.9 27.1 32.3 34.8 33.4 29.0 22.0 17.2 11.4 21.6 1999 6.9 13.1 13.8 21.5 28.3 33.9 32.9 33.0 28.7 23.0 13.4 8.8 21.5 2000 7.2 9.6 15.0 25.5 30.7 32.0 33.1 32.3 29.9 20.9 12.3 9.2 21.5 MEAN 6.3 8.8 13.9 21.1 27.1 32.6 34.2 32.3 28.2 21.1 13.9 8.0 20.6 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 26 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 MET. AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 -1.0 -3.7 -2.0 6.1 8.3 9.3 9.8 9.7 8.9 3.9 1.9 1.5 4.4 1962 -0.3 0.1 4.1 5.8 10.8 12.4 14.3 13.9 10.9 6.6 0.3 0.4 6.6 1963 0.7 3.3 3.9 9.4 10.7 12.5 13.1 13.3 10.5 9.3 3.6 -2.3 7.3 1964 ****** 0.9 6.7 6.7 15.2 16.3 16.4 18.0 12.0 6.1 5.2 -2.4 ****** 1965 1.6 -0.2 2.1 3.4 8.9 12.0 12.5 15.0 13.7 12.5 8.7 1.5 7.6 1966 2.5 4.9 3.1 4.5 5.4 5.9 8.3 8.1 7.2 6.1 -2.0 -3.6 4.2 1967 -4.5 -2.7 -4.1 2.1 3.2 0.5 5.9 4.1 3.8 1.0 -0.1 -5.9 0.3 1968 -6.0 -2.3 -1.3 0.8 1.3 4.6 5.0 3.7 2.2 0.8 6.3 0.8 1.3 1969 -2.1 -1.0 1.6 0.2 1.5 2.6 5.2 6.5 5.2 3.9 -0.5 -1.4 1.8 1970 -0.9 -0.8 0.7 2.6 2.9 3.4 5.4 5.9 2.1 1.4 0.2 -1.8 1.7 1971 -3.9 -2.8 0.5 1.6 2.5 4.0 4.8 6.7 4.6 1.6 3.6 -0.7 1.9 1972 -1.9 -2.2 1.7 1.9 3.7 3.7 4.4 ****** 5.6 2.1 -0.7 -2.2 ****** 1973 -5.1 -0.6 -0.1 1.6 2.3 8.0 10.7 6.6 3.4 3.6 4.2 -3.7 2.6 1974 ****** -2.8 1.3 3.0 4.1 6.0 6.7 5.8 3.5 -2.6 -4.6 -5.8 ****** 1975 -4.0 -5.9 -3.6 -3.1 2.1 1.8 -1.8 -1.2 -2.7 -4.5 -4.2 -4.1 -2.6 1976 -5.4 -5.2 -2.8 -3.7 -0.1 2.8 1.3 -6.6 -9.9 ****** -1.0 -1.5 ****** 1977 -5.1 -5.5 -8.3 2.2 5.1 17.5 5.4 7.3 1.6 0.8 0.3 -2.3 1.6 1978 -4.8 0.2 1.4 -0.7 2.1 1.3 3.8 2.0 2.7 4.1 0.4 -0.5 1.0 1979 -1.9 0.4 0.9 -0.7 3.6 5.3 5.5 4.2 0.3 1.3 -1.7 -0.8 1.4 1980 -2.7 -1.3 1.3 2.7 5.5 5.0 4.1 4.3 2.9 3.6 2.2 -1.9 2.1 1981 -2.4 -1.9 -1.4 1.2 4.0 3.6 5.3 0.6 1.0 -0.0 -0.8 -4.2 0.4 1982 -4.2 -5.5 -1.2 -0.4 3.8 3.8 3.8 3.0 1.2 0.3 -0.5 -1.9 0.2 1983 -2.8 -6.1 -4.3 1.7 2.9 1.8 2.5 3.4 2.5 -0.9 -1.8 -3.2 -0.4 1984 -3.2 -3.8 0.4 -2.5 0.0 1.2 2.4 4.9 3.0 -1.3 0.9 -5.2 -0.3 1985 -2.8 -6.8 -3.9 -1.2 -4.1 0.2 6.3 5.5 2.9 1.1 0.6 -0.9 -0.2 1986 ****** 0.3 -2.4 3.5 2.4 4.3 3.3 3.1 -0.1 2.5 -0.4 -2.0 ****** 1987 -4.9 -2.8 -0.1 2.0 4.7 -0.3 10.8 6.7 6.2 1.2 -3.8 -5.2 1.2 1988 -5.5 -1.4 -0.5 2.3 -0.2 5.1 8.0 4.7 0.6 -0.4 -3.9 -4.8 0.3 1989 -6.1 -5.4 -1.1 -3.0 3.0 1.2 6.1 3.0 0.6 1.1 -0.4 -2.6 -0.3 1990 -2.0 -3.4 -3.6 -0.6 2.0 3.9 7.9 5.7 2.9 0.0 -1.6 -3.1 0.7 1991 0.3 -4.4 1.9 -0.2 2.7 2.7 7.0 6.3 3.5 3.0 -0.0 -0.6 1.8 1992 -3.7 -6.7 -4.5 1.7 5.2 6.1 5.9 8.3 1.1 -0.5 -1.8 0.7 1.0 1993 -1.9 1.8 -3.1 1.3 3.3 3.6 5.0 5.3 2.8 -2.5 -1.3 -2.8 0.9 1994 -2.5 -6.3 -0.5 0.1 4.0 6.0 10.0 5.2 0.3 5.0 2.2 -6.1 1.4 1995 -3.8 -1.7 -2.0 4.0 1.0 5.1 7.4 5.3 0.8 0.4 -4.0 -1.3 0.9 1996 -1.8 0.7 2.4 2.1 7.8 5.9 5.0 3.3 3.8 -0.7 -3.9 -4.9 1.6 1997 -4.5 -8.4 -5.5 -1.3 2.3 8.4 6.4 3.8 1.6 2.6 0.9 0.9 0.6 1998 -1.7 -2.2 -0.3 1.4 2.6 4.7 7.9 7.0 6.2 1.4 -0.7 -1.3 2.1 1999 -0.8 -2.7 1.5 3.5 4.7 7.7 11.5 6.2 7.3 4.3 1.0 -1.2 3.6 2000 -4.7 -3.0 -6.4 -0.5 3.1 2.8 5.5 5.1 4.3 3.2 0.4 2.2 1.0 MEAN -2.8 -2.4 -0.7 1.5 3.9 5.3 6.7 5.7 3.5 2.1 0.1 -2.1 1.7 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 27 STATION KHOOR-BIABANAK LATITUDE 33 47 N DATA PROCESSING CENTER LONGITUDE 55 2 E ELEVATION 850 MET. AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1961 4.04 3.27 3.77 6.60 7.76 8.47 8.55 8.56 8.00 5.83 5.07 4.99 6.24 1962 4.29 4.45 5.73 6.65 9.12 10.07 11.33 11.07 9.55 6.89 4.78 4.72 7.39 1963 4.63 5.59 5.85 8.19 8.98 10.06 10.86 10.84 9.12 8.26 5.59 3.98 7.66 1964 ****** 4.76 6.94 7.01 12.40 12.98 13.06 14.63 9.94 6.70 6.43 3.73 ****** 1965 4.93 4.38 5.00 5.65 8.12 9.70 10.03 11.96 10.94 10.25 8.13 4.92 7.83 1966 5.31 6.20 5.62 5.96 6.41 6.50 7.66 7.52 7.12 6.63 3.76 3.35 6.00 1967 3.22 3.68 3.24 5.12 5.43 4.51 6.54 5.72 5.59 4.62 4.41 2.98 4.59 1968 2.92 3.77 4.18 4.63 5.08 5.94 6.29 5.55 5.10 4.60 6.72 4.78 4.96 1969 3.83 4.03 4.82 4.32 4.87 5.12 6.19 6.83 6.19 5.66 4.40 3.98 5.02 1970 4.04 4.03 4.45 5.16 5.29 5.46 6.29 6.41 4.96 4.80 4.26 3.86 4.92 1971 3.34 3.55 4.52 4.84 5.08 5.60 5.97 6.83 5.93 4.77 5.60 4.14 5.01 1972 3.82 3.70 4.85 4.96 5.66 5.55 5.78 ****** 6.24 4.90 4.20 3.75 ****** 1973 3.05 4.16 4.28 4.74 4.96 7.82 9.07 6.76 5.59 5.81 5.82 3.32 5.45 1974 ****** 3.54 4.70 5.36 5.78 6.59 7.06 7.11 5.54 3.59 3.05 2.81 ****** 1975 3.26 2.84 3.25 4.38 5.39 4.86 3.89 4.12 3.63 3.07 3.16 3.15 3.75 1976 2.94 2.94 3.48 3.40 4.91 5.60 5.29 2.76 2.45 ****** 3.99 3.79 ****** 1977 2.95 2.85 2.33 5.57 7.17 16.35 6.71 8.22 5.01 4.66 4.38 3.69 5.82 1978 3.02 4.39 4.72 4.31 5.12 5.28 5.84 4.97 5.25 5.89 4.39 4.19 4.78 1979 3.75