IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 1 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 MET. AVERAGE OF MEAN DAILY TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MAX-MIN 1968 ****** 7.5 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1969 ****** ****** 17.1 20.8 25.5 26.7 32.5 29.9 27.1 21.2 ****** ****** ****** 1970 ****** 11.6 14.0 22.3 27.5 31.6 32.2 33.3 26.1 20.4 16.1 7.9 ****** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 3.1 3.1 11.4 20.5 23.1 31.3 32.2 ****** 27.5 23.2 13.5 4.2 ****** 1973 5.0 9.7 13.3 17.6 22.9 28.4 30.4 29.4 29.6 21.4 14.0 9.9 25.4 1974 6.3 5.6 7.3 14.8 21.5 28.4 31.3 30.2 27.1 20.0 14.1 7.6 25.7 1975 6.6 6.2 9.7 14.3 17.0 26.6 29.1 27.9 28.1 23.2 10.9 8.4 22.9 1976 7.8 7.4 5.6 10.9 24.3 28.7 28.9 26.2 26.7 20.4 8.1 ****** ****** 1977 5.4 6.8 8.1 13.6 19.6 24.4 25.3 24.9 22.4 19.0 10.9 10.4 19.9 1978 9.4 11.0 12.9 21.0 23.3 27.0 27.5 26.1 25.0 ****** 11.9 8.2 ****** 1979 7.9 8.9 9.3 16.6 22.4 26.5 29.3 29.0 26.0 22.7 8.1 7.4 21.9 1980 6.9 7.4 9.5 22.6 26.5 28.0 27.8 27.8 25.5 20.1 14.1 8.8 21.1 1981 8.4 10.6 ****** ****** 24.7 28.5 28.7 25.1 27.9 22.6 13.4 8.2 ****** 1982 7.6 8.0 5.7 21.9 22.6 28.3 28.3 27.8 27.5 22.8 ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1987 8.3 10.6 14.7 21.6 27.4 30.8 31.4 31.8 26.9 17.6 15.0 8.9 23.5 1988 6.5 8.4 14.6 20.5 27.2 32.0 33.9 31.4 28.6 21.6 15.1 10.4 27.4 1989 3.5 4.9 14.4 21.4 25.0 33.1 33.8 31.6 28.1 23.5 15.0 10.5 30.3 1990 8.2 8.1 13.6 20.7 28.1 32.4 32.7 32.8 29.2 21.7 16.0 9.5 24.7 1991 6.4 7.3 13.1 21.5 25.0 30.4 33.2 32.1 27.6 21.2 15.4 10.0 26.8 1992 5.1 9.3 11.1 20.4 20.4 30.1 33.5 29.4 26.3 21.3 15.2 10.7 28.4 1993 6.5 10.5 12.9 21.5 29.6 ****** 32.4 30.5 28.1 19.7 16.0 9.4 ****** 1994 9.3 10.1 17.5 23.2 29.1 32.0 30.7 32.8 26.7 23.0 17.6 8.5 24.3 1995 12.5 ****** 14.5 ****** ****** 31.5 ****** 33.4 26.9 19.7 15.3 6.6 ****** 1996 ****** ****** 12.3 20.1 25.4 28.7 ****** ****** ****** ****** 11.0 9.2 ****** 1997 6.6 8.1 12.0 ****** ****** 31.4 35.3 32.4 27.8 23.2 13.6 9.1 ****** 1998 6.2 8.3 14.9 22.0 25.8 31.7 34.3 32.0 ****** ****** ****** ****** ****** 1999 6.8 ****** ****** ****** ****** 32.2 31.7 30.5 30.0 25.3 13.5 9.4 ****** 2000 8.0 10.0 14.8 24.1 29.1 30.4 31.7 32.4 28.6 22.2 13.1 11.2 24.4 2001 9.8 ****** ****** 25.9 30.4 31.3 32.8 31.4 27.5 22.9 15.7 11.9 ****** 2002 8.1 10.6 15.4 21.2 26.7 30.3 32.4 ****** 29.5 23.9 14.1 6.4 ****** 2003 8.2 10.2 20.4 20.8 23.8 30.7 35.0 31.4 27.3 23.5 12.6 7.1 27.9 MEAN 7.2 8.5 12.6 20.1 25.0 29.8 31.4 30.1 27.3 21.7 13.7 8.8 24.2 SD 1.95 2.08 3.51 3.43 3.22 2.18 2.47 2.53 1.56 1.75 2.32 1.68 2.39 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 2 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 MET. AVERAGE OF MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1968 ****** 1.4 ****** ****** ****** 11.9 10.3 ****** ****** 8.6 8.2 ****** ****** 1969 ****** ****** 12.9 14.8 17.7 20.7 25.4 25.0 22.2 14.4 ****** ****** ****** 1970 ****** 4.4 6.7 14.1 19.0 23.0 24.5 25.3 17.4 11.5 7.0 -0.2 ****** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 -1.9 -2.6 5.5 13.0 16.2 23.6 25.0 ****** 17.7 14.0 5.0 -1.3 ****** 1973 -0.2 4.8 7.1 10.7 15.6 19.3 22.0 21.2 22.3 14.6 8.3 4.7 12.5 1974 2.4 2.1 3.5 10.1 15.5 20.8 24.2 22.7 19.5 14.4 9.1 4.0 12.4 1975 3.2 2.5 5.5 10.1 12.5 18.5 20.2 19.5 19.3 17.0 6.6 4.5 11.6 1976 3.7 4.0 2.0 7.0 17.1 19.7 19.5 18.9 18.9 14.7 3.5 ****** ****** 1977 2.1 2.7 3.5 8.6 13.6 17.4 18.6 17.9 15.2 14.1 6.8 6.3 10.6 1978 5.2 6.0 7.9 14.1 16.8 18.7 19.7 18.5 18.7 ****** 7.4 4.3 ****** 1979 4.1 4.8 5.4 10.7 15.8 18.8 20.0 20.0 17.6 14.2 3.6 3.3 11.5 1980 2.8 3.6 4.4 15.7 16.9 17.9 17.8 17.4 17.6 14.4 9.1 5.1 11.9 1981 3.8 4.7 ****** ****** 17.0 19.6 19.5 18.2 22.5 17.0 9.6 4.3 ****** 1982 3.2 3.4 2.2 15.1 14.8 17.2 18.0 19.1 19.1 17.0 ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1987 1.3 4.3 8.6 15.6 19.8 23.6 24.3 25.1 19.7 11.8 8.2 2.5 13.7 1988 0.8 2.9 7.9 14.3 20.2 25.1 27.5 24.3 21.9 14.7 8.2 3.7 14.3 1989 -1.5 -0.9 8.8 15.1 18.0 26.4 27.4 25.0 21.4 16.8 9.2 4.5 14.2 1990 2.8 2.9 6.9 14.3 21.1 25.2 26.1 25.6 21.8 15.2 9.3 3.5 14.6 1991 2.2 2.1 7.7 15.2 18.3 23.6 27.2 25.8 20.5 15.4 9.3 5.1 14.4 1992 0.9 5.0 6.1 14.6 14.9 22.9 26.9 22.5 19.7 14.7 8.3 7.2 13.7 1993 3.4 5.8 7.7 16.2 22.9 ****** 26.2 24.3 21.4 13.6 10.6 3.7 ****** 1994 4.1 5.2 13.4 18.9 24.8 25.8 20.4 25.1 21.5 19.4 11.5 4.0 16.2 1995 7.8 ****** 10.0 ****** ****** 25.2 ****** 25.8 19.1 11.7 7.5 1.5 ****** 1996 ****** ****** 6.0 12.9 18.5 20.3 ****** ****** ****** ****** 4.7 3.9 ****** 1997 0.9 2.1 5.6 ****** ****** 24.4 28.4 25.4 20.5 16.2 8.5 3.9 ****** 1998 0.6 3.2 9.4 15.5 19.3 25.5 28.9 24.9 ****** ****** ****** ****** ****** 1999 1.9 ****** ****** ****** 19.5 24.9 24.6 22.7 21.9 16.2 7.0 3.0 ****** 2000 1.1 2.8 6.9 15.9 20.4 21.6 24.6 25.5 18.9 12.8 6.5 7.4 13.7 2001 6.0 ****** ****** 20.3 24.4 23.6 25.4 23.0 19.3 15.4 9.0 6.5 ****** 2002 3.0 3.3 7.7 14.8 18.7 22.7 25.5 ****** 21.5 16.5 8.1 0.8 ****** 2003 2.2 3.5 13.5 13.2 16.2 23.3 27.4 24.2 20.4 15.5 5.5 1.5 13.9 MEAN 2.4 3.2 7.1 13.9 18.1 21.7 23.3 22.7 19.9 14.7 7.7 3.8 13.2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 3 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 MET. AVERAGE OF MAXIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1968 13.3 13.6 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1969 ****** ****** 21.3 26.8 33.4 32.7 39.6 34.7 32.1 27.9 ****** ****** ****** 1970 ****** 18.7 21.3 30.5 35.9 40.1 40.0 41.2 34.7 29.4 25.1 16.0 ****** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 8.0 8.8 17.4 27.9 29.9 39.0 39.5 ****** 37.3 32.3 22.0 9.8 ****** 1973 10.2 14.7 19.5 24.5 30.2 37.5 38.8 37.7 36.9 28.2 19.8 15.1 26.1 1974 10.2 9.0 11.1 19.5 27.6 36.0 38.4 37.8 34.6 25.6 19.1 11.1 23.3 1975 10.1 9.8 14.0 18.5 21.4 34.6 38.0 36.3 36.8 29.4 15.3 12.3 23.0 1976 11.8 10.7 9.2 14.9 31.5 37.7 38.3 33.5 34.5 26.1 12.7 ****** ****** 1977 8.8 11.0 12.7 18.5 25.7 31.4 32.1 31.8 29.6 24.0 15.1 14.6 21.3 1978 13.8 16.1 18.0 27.7 29.8 35.2 35.2 33.7 31.2 ****** 16.3 12.1 ****** 1979 11.7 12.9 13.2 22.5 29.0 34.3 38.6 37.9 34.3 31.2 12.7 11.6 24.2 1980 11.0 11.3 14.5 29.5 36.0 38.1 37.8 38.1 33.4 25.8 19.1 12.5 25.6 1981 13.0 16.3 ****** ****** 32.4 37.5 37.9 32.0 33.9 28.4 16.9 12.1 ****** 1982 11.9 12.5 9.2 28.8 30.4 39.5 38.6 36.4 35.8 28.6 ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1987 15.4 17.0 20.9 27.5 34.9 37.9 38.5 38.4 34.1 23.4 21.7 15.4 27.1 1988 12.2 13.9 21.2 26.7 34.1 38.9 40.2 38.5 35.2 28.4 22.0 17.2 27.4 1989 8.6 10.5 20.1 27.6 32.1 39.8 40.2 38.1 34.8 30.2 20.9 16.5 26.6 1990 13.5 13.2 20.2 27.1 35.1 39.7 39.3 40.0 36.6 28.2 22.8 15.5 27.6 1991 10.6 12.5 18.4 27.8 31.7 37.2 39.3 38.4 34.8 26.9 21.5 15.0 26.2 1992 9.3 13.6 16.0 26.2 25.8 37.2 40.1 36.2 32.9 27.9 21.8 14.2 25.1 1993 9.5 14.5 18.0 26.8 36.3 ****** 38.6 37.0 34.8 25.9 21.4 15.1 ****** 1994 14.4 15.0 21.5 27.4 33.5 38.2 41.0 40.4 31.9 26.7 23.8 13.1 27.2 1995 17.3 ****** 19.0 ****** ****** 37.8 42.5 40.9 34.7 27.6 23.1 11.6 ****** 1996 9.1 16.1 18.6 27.2 32.3 38.2 ****** ****** ****** ****** 17.2 14.5 ****** 1997 12.3 14.1 18.6 ****** ****** 38.4 42.1 39.3 35.1 30.3 18.6 14.3 ****** 1998 11.8 13.5 20.6 28.6 32.2 37.8 39.7 39.1 ****** ****** ****** ****** ****** 1999 11.8 ****** ****** ****** ****** 39.4 38.8 38.3 38.2 34.4 19.9 15.9 ****** 2000 15.0 17.1 22.7 32.3 37.8 39.2 38.8 39.2 38.3 31.6 19.6 15.0 28.9 2001 13.6 ****** ****** 31.4 36.4 39.0 40.2 39.7 35.8 30.5 22.5 17.1 ****** 2002 13.3 17.9 23.2 27.6 34.7 38.0 39.3 ****** 37.4 31.3 20.1 12.1 ****** 2003 14.2 16.9 27.3 28.4 31.4 38.0 42.7 38.6 34.1 31.4 19.6 12.7 27.9 MEAN 11.9 13.8 18.1 26.3 31.9 37.5 39.1 37.5 34.8 28.6 19.7 13.9 26.1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 4 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 MET. DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1968 ****** 12.2 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1969 ****** ****** 8.4 12.0 15.7 12.0 14.2 9.7 9.9 13.5 ****** ****** ****** 1970 ****** 14.3 14.6 16.4 16.9 17.1 15.5 15.9 17.3 17.9 18.1 16.2 ****** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 9.9 11.4 11.9 14.9 13.7 15.4 14.5 ****** 19.6 18.3 17.0 11.1 ****** 1973 10.4 9.9 12.4 13.8 14.6 18.2 16.8 16.5 14.6 13.6 11.5 10.4 13.6 1974 7.8 6.9 7.6 9.4 12.1 15.2 14.2 15.1 15.1 11.2 10.0 7.1 11.0 1975 6.9 7.3 8.5 8.4 8.9 16.1 17.8 16.8 17.5 12.4 8.7 7.8 11.4 1976 8.1 6.7 7.2 7.9 14.4 18.0 18.8 14.6 15.6 11.4 9.2 ****** ****** 1977 6.7 8.3 9.2 9.9 12.1 14.0 13.5 13.9 14.4 9.9 8.3 8.3 10.7 1978 8.6 10.1 10.1 13.6 13.0 16.5 15.5 15.2 12.5 ****** 8.9 7.8 ****** 1979 7.6 8.1 7.8 11.8 13.2 15.5 18.6 17.9 16.7 17.0 9.1 8.3 12.6 1980 8.2 7.7 10.1 13.8 19.1 20.2 20.0 20.7 15.8 11.4 10.0 7.4 13.7 1981 9.2 11.6 ****** ****** 15.4 17.9 18.4 13.8 11.4 11.4 7.3 7.8 ****** 1982 8.7 9.1 7.0 13.7 15.6 22.3 20.6 17.3 16.7 11.6 ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1987 14.1 12.7 12.3 11.9 15.1 14.3 14.2 13.3 14.4 11.6 13.5 12.9 13.4 1988 11.4 11.0 13.3 12.4 13.9 13.8 12.7 14.2 13.3 13.7 13.8 13.5 13.1 1989 10.1 11.4 11.3 12.5 14.1 13.4 12.8 13.1 13.4 13.4 11.7 12.0 12.4 1990 10.7 10.3 13.3 12.8 14.0 14.5 13.1 14.4 14.8 13.0 13.5 12.0 13.0 1991 8.4 10.4 10.7 12.6 13.4 13.6 12.1 12.6 14.2 11.5 12.2 9.9 11.8 1992 8.4 8.6 9.9 11.6 10.9 14.3 13.2 13.7 13.2 13.2 13.5 7.0 11.5 1993 6.1 8.7 10.3 10.6 13.4 ****** 12.4 12.7 13.4 12.3 10.8 11.4 ****** 1994 10.3 9.8 8.1 8.5 8.7 12.4 20.6 15.3 10.4 7.3 12.3 9.1 11.1 1995 9.5 ****** 9.0 ****** ****** 12.6 ****** 15.1 15.6 15.9 15.6 10.1 ****** 1996 ****** ****** 12.6 14.3 13.8 17.9 ****** ****** ****** ****** 12.5 10.6 ****** 1997 11.4 12.0 13.0 ****** ****** 14.0 13.7 13.9 14.6 14.1 10.1 10.4 ****** 1998 11.2 10.3 11.2 13.1 12.9 12.3 10.8 14.2 ****** ****** ****** ****** ****** 1999 9.9 ****** ****** ****** ****** 14.5 14.2 15.6 16.3 18.2 12.9 12.9 ****** 2000 13.9 14.3 15.8 16.4 17.4 17.6 14.2 13.7 19.4 18.8 13.1 7.6 15.2 2001 7.6 ****** ****** 11.1 12.0 15.4 14.8 16.7 16.5 15.1 13.5 10.6 ****** 2002 10.3 14.6 15.5 12.8 16.0 15.3 13.8 ****** 15.9 14.8 12.0 11.3 ****** 2003 12.0 13.4 13.8 15.2 15.2 14.7 15.3 14.4 13.7 15.9 14.1 11.2 14.1 MEAN 9.5 10.4 10.9 12.4 13.9 15.5 15.2 14.8 14.9 13.6 12.0 10.2 12.8 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 5 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1968 2.58 2.27 ****** ****** ****** 6.15 8.46 8.24 6.23 6.63 7.27 ****** ****** 1969 ****** ****** 6.28 6.00 7.49 6.82 7.72 5.03 4.53 5.92 ****** ****** ****** 1970 3.39 4.02 4.66 5.09 5.61 5.41 6.67 7.59 5.12 4.44 4.32 2.99 4.94 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 3.00 3.27 5.40 5.17 6.39 6.01 6.39 ****** 7.34 5.09 3.75 3.12 ****** 1973 3.23 4.56 4.89 6.31 6.93 7.59 6.35 6.08 6.57 5.21 3.92 3.09 5.39 1974 2.53 2.58 3.31 5.84 7.13 6.29 7.16 7.12 7.46 6.11 4.89 3.06 5.29 1975 3.22 3.03 3.81 5.77 6.90 5.88 5.32 5.83 6.14 7.94 3.64 3.09 5.05 1976 3.36 3.07 2.82 3.88 7.07 6.10 4.81 6.57 5.47 6.77 2.99 ****** ****** 1977 2.50 2.89 2.96 3.99 5.74 6.92 7.37 7.67 6.64 7.27 4.11 4.47 5.21 1978 3.92 3.88 5.11 5.99 6.75 6.45 7.05 7.14 6.52 ****** 4.64 3.02 ****** 1979 3.16 3.22 3.83 5.26 6.91 6.05 4.88 5.26 5.01 5.52 3.00 2.82 4.58 1980 2.91 3.04 2.96 6.41 5.36 4.61 4.59 4.14 5.62 6.11 4.86 3.61 4.52 1981 4.18 4.28 ****** ****** 7.18 6.50 4.61 8.15 9.88 7.67 5.11 2.99 ****** 1982 3.27 2.67 2.71 6.58 6.12 3.98 5.07 5.83 5.90 7.69 ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1987 3.19 4.42 5.27 6.21 6.79 7.35 8.21 8.25 7.23 5.48 3.97 3.51 5.82 1988 3.31 4.04 4.86 5.46 6.55 7.43 9.30 7.71 6.95 5.03 4.02 3.96 5.72 1989 3.28 3.28 4.76 4.82 5.47 7.36 7.97 8.53 5.45 5.25 5.24 4.08 5.46 1990 4.15 3.69 4.13 5.14 6.56 6.79 9.27 7.57 5.59 4.78 3.91 3.62 5.43 1991 4.47 4.00 6.04 5.40 6.83 8.85 9.98 6.83 6.62 5.98 4.43 4.40 6.15 1992 3.72 4.43 4.86 6.34 7.81 10.52 8.19 7.93 5.76 4.54 4.32 4.55 6.08 1993 3.92 4.81 4.05 8.27 7.01 ****** 7.33 8.65 7.64 5.37 5.11 3.66 ****** 1994 3.99 3.82 5.87 7.19 11.19 9.79 10.80 10.57 9.74 8.43 7.42 4.34 7.76 1995 6.39 ****** 5.67 ****** ****** 9.86 9.80 10.75 6.81 6.72 5.39 3.99 ****** 1996 3.58 4.88 5.41 6.71 12.24 11.29 ****** ****** ****** ****** 3.54 3.79 ****** 1997 4.00 4.07 4.84 ****** ****** 8.93 9.35 7.89 4.92 6.56 5.19 4.85 ****** 1998 4.20 5.20 8.98 5.02 9.34 8.16 10.71 9.58 ****** ****** ****** ****** ****** 1999 4.54 ****** ****** ****** 6.06 6.33 7.99 8.76 10.89 10.16 7.68 5.54 ****** 2000 3.58 3.98 4.60 5.58 7.84 6.62 7.76 8.45 7.47 7.43 5.18 5.14 6.14 2001 5.13 ****** ****** 6.70 6.78 6.17 5.79 6.89 5.45 4.93 4.32 4.92 ****** 2002 4.04 3.50 3.87 7.59 6.34 7.46 7.59 ****** 4.73 5.18 6.12 4.00 ****** 2003 3.74 4.04 5.77 5.96 5.67 5.97 6.93 7.03 6.60 7.16 3.66 4.07 5.55 MEAN 3.69 3.74 4.74 5.88 7.08 7.13 7.45 7.51 6.57 6.27 4.72 3.88 5.71 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 6 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1968 3.94 3.22 ****** ****** ****** 8.44 6.50 6.77 6.30 7.37 7.85 ****** ****** 1969 ****** ****** 6.36 5.50 5.85 6.05 7.63 4.54 4.88 6.54 ****** ****** ****** 1970 5.10 4.87 5.30 6.43 6.13 7.28 6.95 7.40 6.15 6.47 5.13 5.26 6.04 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 5.22 4.76 5.41 5.92 6.16 6.99 7.58 ****** 7.27 6.28 5.38 5.04 ****** 1973 4.64 5.67 6.07 8.11 9.94 10.10 9.01 9.07 8.88 7.19 5.63 4.82 7.43 1974 4.04 4.10 4.51 8.87 10.03 7.14 8.53 9.21 9.09 8.24 6.53 4.20 7.04 1975 4.17 4.44 4.80 7.40 9.78 8.68 8.13 8.60 8.70 10.53 5.62 4.30 7.10 1976 4.56 4.15 3.85 5.39 9.08 8.53 7.61 8.33 8.28 8.83 4.27 ****** ****** 1977 3.72 3.89 4.05 5.50 8.22 9.97 10.59 10.96 9.46 10.25 5.65 5.46 7.31 1978 5.07 5.00 7.10 8.95 9.50 8.17 9.96 9.76 9.68 ****** 5.73 4.21 ****** 1979 4.24 4.74 4.88 7.80 9.84 9.17 8.37 8.26 8.21 7.83 4.29 3.76 6.78 1980 3.89 4.10 4.15 8.38 8.07 7.43 7.09 9.10 8.20 8.08 6.49 4.87 6.65 1981 3.69 4.12 ****** ****** 9.10 8.53 8.24 9.16 10.11 10.47 4.89 4.22 ****** 1982 4.24 3.62 3.81 9.03 9.02 8.18 8.44 8.60 9.17 10.57 ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1987 3.60 4.47 4.62 6.09 8.16 8.01 7.96 8.03 7.42 5.45 4.46 4.33 6.05 1988 3.37 4.40 4.73 5.91 7.28 8.18 8.96 7.92 6.35 5.32 4.79 4.16 5.95 1989 3.54 3.42 4.76 4.91 5.09 6.87 5.66 8.33 6.07 5.84 5.07 4.29 5.32 1990 4.13 4.14 4.46 5.27 6.68 7.16 9.56 8.27 5.83 5.39 4.39 4.05 5.78 1991 5.21 4.14 6.46 5.51 6.65 7.47 10.40 6.51 6.90 6.36 4.63 5.33 6.30 1992 3.56 3.98 4.94 6.30 7.91 10.73 9.02 9.30 4.56 5.15 4.83 4.13 6.20 1993 4.21 5.95 5.15 9.35 8.50 ****** 10.01 8.35 9.07 5.81 5.15 3.72 ****** 1994 4.24 4.17 6.17 5.91 7.72 8.34 10.80 15.43 13.51 7.94 7.54 4.37 8.01 1995 7.71 ****** 4.70 ****** ****** 10.06 11.30 7.48 6.33 6.73 5.72 5.12 ****** 1996 4.07 5.15 6.73 10.05 16.96 14.30 ****** ****** ****** ****** 3.31 3.70 ****** 1997 4.68 4.83 6.33 ****** ****** 8.80 9.40 7.80 4.31 6.23 5.08 4.29 ****** 1998 4.46 3.81 8.92 4.98 7.31 7.14 8.56 7.21 ****** ****** ****** ****** ****** 1999 5.52 ****** ****** ****** 5.01 6.34 8.80 8.45 9.14 7.67 9.33 7.69 ****** 2000 4.12 4.69 5.16 7.19 8.78 7.35 8.81 10.37 8.18 7.54 6.01 5.90 7.01 2001 5.91 ****** ****** 9.02 8.67 6.82 7.35 8.19 6.84 7.54 6.62 6.84 ****** 2002 4.49 4.37 5.02 7.78 8.46 9.32 10.54 ****** 6.63 6.42 6.43 4.32 ****** 2003 4.22 4.62 7.51 7.33 6.45 8.23 11.27 8.55 7.47 8.93 3.86 3.94 6.86 MEAN 4.46 4.41 5.41 7.04 8.23 8.33 8.77 8.58 7.69 7.40 5.53 4.71 6.71 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 7 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1968 3.35 3.58 ****** ****** ****** 6.93 8.08 8.34 7.95 6.94 8.93 ****** ****** 1969 ****** ****** 5.13 5.75 5.49 6.68 6.95 4.73 4.37 5.52 ****** ****** ****** 1970 4.72 4.57 4.94 6.01 6.25 6.30 8.09 7.31 6.09 5.49 5.08 4.62 5.79 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 4.29 4.15 5.09 5.84 6.86 6.51 6.42 ****** 6.80 5.58 5.03 4.19 ****** 1973 3.64 4.72 5.11 6.70 8.12 8.25 7.15 6.82 7.12 5.85 4.59 4.00 6.01 1974 3.21 3.28 3.96 7.42 8.43 5.82 7.18 7.60 7.38 7.38 5.81 3.62 5.92 1975 3.62 3.90 4.34 6.68 8.56 7.26 6.25 6.87 7.09 9.13 4.62 3.59 5.99 1976 4.03 3.67 3.25 4.51 7.89 7.05 6.47 6.93 6.64 8.11 3.50 ****** ****** 1977 3.16 3.18 3.49 4.63 6.91 8.44 8.79 9.12 8.02 8.70 5.04 5.11 6.22 1978 4.51 4.48 6.34 7.27 7.91 7.11 7.67 8.47 7.88 ****** 5.32 3.61 ****** 1979 3.72 3.99 4.33 6.52 8.29 7.39 6.46 6.60 6.47 6.79 3.49 3.28 5.61 1980 3.19 3.49 3.57 7.31 6.27 5.52 5.14 5.96 6.79 7.17 5.81 4.15 5.36 1981 3.48 3.83 ****** ****** 7.49 6.56 6.37 8.24 7.28 8.97 4.95 3.55 ****** 1982 3.64 3.20 3.25 7.69 7.58 5.56 7.12 7.00 7.45 9.09 ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1987 3.38 4.56 4.64 6.45 8.16 7.93 7.55 7.96 7.50 5.29 3.97 3.71 5.93 1988 3.52 4.45 4.93 5.97 7.20 7.54 9.05 7.92 6.20 5.14 4.30 3.97 5.85 1989 3.43 3.49 4.60 5.15 4.80 6.60 6.08 8.86 6.20 5.56 5.36 4.31 5.37 1990 4.70 4.12 4.95 5.49 6.26 7.02 9.51 7.96 5.85 5.45 4.67 4.07 5.84 1991 5.33 4.35 6.74 5.48 6.84 8.88 10.58 6.46 6.90 6.35 5.30 4.96 6.51 1992 3.58 4.87 4.73 6.19 8.43 10.28 8.42 8.34 5.81 5.51 4.49 4.43 6.26 1993 4.34 5.86 5.01 8.56 5.86 ****** 8.78 7.49 7.48 5.61 5.65 4.19 ****** 1994 4.52 4.61 5.86 7.33 9.81 10.38 11.95 14.97 11.46 9.35 7.37 4.52 8.51 1995 7.20 ****** 5.53 ****** ****** 9.60 8.79 8.69 6.09 7.32 5.43 4.44 ****** 1996 4.10 4.83 6.18 8.29 13.29 11.32 ****** ****** ****** ****** 3.56 3.08 ****** 1997 4.44 4.81 6.18 ****** ****** 8.90 8.79 7.20 6.22 5.96 5.15 4.28 ****** 1998 4.46 3.35 11.91 4.37 10.55 8.50 9.85 8.00 ****** ****** ****** ****** ****** 1999 5.20 ****** ****** ****** 4.59 5.42 6.95 9.26 9.16 8.06 8.63 7.40 ****** 2000 3.82 4.31 4.63 6.27 8.34 6.41 6.98 9.33 7.18 7.29 5.79 5.42 6.31 2001 5.40 ****** ****** 7.08 7.46 5.62 5.44 6.15 5.23 5.80 4.91 6.14 ****** 2002 4.54 3.26 4.29 5.82 5.72 6.49 7.35 ****** 4.14 4.87 5.69 3.72 ****** 2003 4.23 4.09 6.14 6.95 4.71 5.56 7.23 6.10 5.85 7.95 3.48 4.12 5.53 MEAN 4.16 4.12 5.16 6.38 7.44 7.40 7.72 7.82 6.85 6.80 5.22 4.33 6.11 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 8 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 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 1968 ***** ** -4.0 23 ***** ** ***** ** ***** ** 7.1 20 7.0 21 ***** ** ***** ** 4.4 22 5.4 10 ***** ** ***** 1969 ***** ** ***** ** 2.1 23 7.0 15 11.5 13 11.5 3 17.8 9 18.0 30 17.2 23 4.0 30 ***** ** ***** ** ***** 1970 ***** ** -3.2 2 1.0 17 8.1 26 12.0 3 14.0 12 20.1 8 20.0 25 9.0 21 4.1 28 2.0 27 -10.5 17 ***** 1971 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 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 -1.0 26 -10.6 27 ***** 1973 -7.0 4 2.0 8 2.5 5 5.9 19 10.0 15 12.0 7 15.0 17 14.0 15 18.5 9 10.0 26 3.0 26 -2.0 30 -7.0 1974 -1.0 15 -1.0 19 -2.0 12 0.0 10 12.0 13 14.0 1 19.0 9 17.5 22 13.5 1 5.6 17 4.0 28 -1.0 11 -2.0 1975 -2.0 22 -2.0 7 2.2 8 6.0 6 10.0 7 11.2 1 16.5 25 15.0 1 15.0 1 12.5 4 0.0 10 0.0 8 -2.0 1976 0.0 2 0.0 14 -3.0 3 2.0 3 10.0 1 14.5 28 16.0 6 11.5 17 15.0 8 6.0 28 -2.0 10 ***** ** ***** 1977 -2.0 4 -2.0 18 -2.0 9 2.0 6 10.0 4 10.0 4 13.0 7 10.0 6 9.0 24 6.5 26 2.0 6 -1.0 23 -2.0 1978 -2.0 27 -1.0 26 0.0 1 8.0 3 11.0 8 12.0 4 15.0 5 11.0 7 12.0 26 ***** ** 0.0 16 0.0 8 ***** 1979 -1.0 22 0.0 1 2.0 12 4.2 11 0.0 9 11.2 1 16.0 28 16.5 21 13.0 9 11.0 12 -2.0 10 -1.0 7 -2.0 1980 -1.0 22 0.0 14 0.0 8 9.2 17 13.0 12 14.0 4 14.0 4 13.0 15 12.5 2 5.6 17 4.0 28 -1.0 11 -1.0 1981 0.0 8 -2.0 11 ***** ** ***** ** 10.0 1 14.5 28 15.0 6 15.0 3 13.0 25 12.5 4 5.0 27 0.0 8 ***** 1982 -1.0 19 0.0 8 -2.0 10 9.0 1 10.0 7 13.2 2 15.0 14 15.0 1 14.0 2 12.5 4 ***** ** ***** ** ***** 1983 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1984 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1985 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1986 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1987 -2.5 22 1.5 8 1.0 23 6.0 1 13.0 1 20.0 1 21.6 5 22.0 30 16.0 29 5.0 30 -2.0 30 -4.0 4 -4.0 1988 -5.5 24 -1.5 6 3.0 7 6.8 4 16.0 6 21.0 9 24.0 28 20.5 25 16.0 30 11.5 19 1.0 24 -2.5 31 -5.5 1989 -5.0 5 -3.6 7 2.0 1 8.0 1 8.0 2 21.0 2 24.0 26 21.5 10 14.0 24 11.0 27 4.0 22 0.5 18 -5.0 1990 -4.4 12 -1.0 9 -0.5 21 8.0 6 16.0 15 20.0 25 20.0 14 22.5 8 17.5 20 7.5 20 4.0 17 -2.5 31 -4.4 1991 -1.0 12 -4.5 14 3.0 12 9.0 14 12.0 7 20.0 4 23.5 12 20.0 31 12.0 27 10.0 15 3.5 24 -2.0 20 -4.5 1992 -5.0 25 -2.2 17 -1.5 11 7.5 20 6.0 3 18.0 18 22.5 14 15.5 24 15.5 2 9.5 19 -2.0 29 1.5 31 -5.0 1993 -1.5 21 -2.0 18 1.0 24 8.0 1 16.5 11 ***** ** 21.5 6 20.0 26 17.5 26 5.0 8 -0.5 22 -3.0 1 ***** 1994 1.0 24 1.8 18 7.5 17 8.0 5 20.0 6 22.0 8 13.5 14 20.5 7 14.5 10 14.0 1 6.5 27 -2.5 6 -2.5 1995 4.0 22 ***** ** 8.0 7 ***** ** ***** ** 19.5 24 ***** ** 21.5 11 12.5 28 7.0 29 2.0 27 -2.0 11 ***** 1996 ***** ** ***** ** 1.5 17 4.5 7 14.0 2 17.5 24 ***** ** ***** ** ***** ** ***** ** 0.0 18 0.0 5 ***** 1997 -4.5 30 -3.0 1 0.0 9 ***** ** ***** ** 19.5 20 22.0 11 18.0 30 15.5 17 10.0 19 3.0 30 -2.0 29 ***** 1998 -3.0 15 -2.0 17 1.0 2 8.0 8 10.0 4 20.0 1 23.0 27 20.5 13 ***** ** ***** ** ***** ** ***** ** ***** 1999 -4.2 5 ***** ** ***** ** ***** ** 13.5 22 21.5 5 20.5 21 20.5 8 15.5 28 10.5 26 2.0 30 -0.5 2 ***** 2000 -6.5 15 -2.5 7 2.5 15 5.5 5 14.5 1 14.5 14 21.5 5 22.5 1 14.5 27 5.5 5 2.5 13 3.4 6 -6.5 2001 -1.5 24 ***** ** ***** ** 12.4 4 17.8 7 20.0 16 19.5 17 17.5 15 11.6 21 11.2 11 3.0 26 2.0 9 ***** 2002 -4.4 14 -4.6 17 -1.4 8 10.0 5 13.5 14 17.5 24 21.5 2 ***** ** 16.0 28 11.5 28 1.5 28 -5.4 5 ***** 2003 -3.0 4 -1.5 2 3.2 6 5.5 19 6.5 3 17.2 12 21.5 3 17.2 12 14.0 30 7.5 3 -1.2 16 -9.5 12 -9.5 LOW. -7.0 4 -8.0 3 -3.0 3 0.0 10 0.0 9 7.1 20 7.0 21 10.0 6 9.0 21 4.0 30 -2.0 10 -10.6 27 -10.6 YEAR 1973 1972 1976 1974 1979 1968 1968 1977 1970 1969 1976 1972 1972 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 9 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 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 1968 20.0 15 18.1 6 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1969 ***** ** ***** ** 30.0 10 35.0 30 38.5 14 40.0 15 47.0 25 39.5 6 36.5 24 35.0 8 ***** ** ***** ** ***** 1970 ***** ** 24.1 19 32.0 31 39.0 18 43.5 31 46.1 24 46.0 14 44.1 28 41.0 8 37.1 1 30.0 1 24.1 4 ***** 1971 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1972 14.0 15 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 13.0 1 20.0 20 25.0 29 33.0 26 40.0 27 44.0 12 45.0 16 43.0 3 42.0 6 40.0 1 30.0 3 20.0 1 45.0 1974 15.0 7 13.5 6 18.0 22 27.7 23 37.4 27 46.0 27 46.0 14 46.0 9 43.0 19 42.0 4 30.0 3 15.5 14 46.0 1975 15.2 1 14.2 16 17.5 1 21.3 8 25.4 20 43.4 27 48.0 5 48.0 15 48.0 15 40.0 24 27.0 4 18.0 2 48.0 1976 16.5 31 15.5 6 18.0 2 24.0 30 38.0 6 48.0 12 47.0 4 45.0 13 45.0 4 34.2 27 22.0 8 ***** ** ***** 1977 14.0 18 16.5 2 16.2 6 30.0 20 32.0 24 42.0 27 42.0 25 42.0 28 38.0 8 32.0 1 20.0 2 22.0 4 42.0 1978 22.0 15 23.0 19 26.0 7 35.0 1 42.0 23 41.2 10 47.0 20 41.0 23 40.0 4 ***** ** 30.0 3 18.0 2 ***** 1979 17.5 29 19.0 16 18.0 15 33.0 26 39.0 24 43.5 21 47.0 14 42.0 4 42.0 24 34.5 3 22.0 8 18.3 1 47.0 1980 20.0 3 16.5 1 22.0 29 39.0 15 41.0 31 48.0 12 45.0 19 43.0 3 40.0 12 42.0 4 30.0 3 22.0 16 48.0 1981 19.5 24 22.0 22 ***** ** ***** ** 39.0 23 48.0 12 45.0 1 37.0 2 40.0 9 40.0 28 24.0 4 18.0 2 ***** 1982 18.2 16 18.3 6 18.0 2 38.0 30 40.0 20 46.2 12 44.0 12 48.0 15 43.0 27 40.0 24 ***** ** ***** ** ***** 1983 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1984 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1985 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1986 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1987 21.5 27 25.0 28 26.5 2 35.5 19 39.0 12 41.5 5 43.0 7 41.5 15 40.5 4 34.5 3 29.5 6 21.5 20 43.0 1988 17.5 29 24.0 24 30.0 21 34.5 20 41.5 28 42.5 15 44.5 12 44.0 4 42.0 12 32.0 22 29.0 4 22.5 19 44.5 1989 14.5 2 17.0 9 26.5 27 32.5 18 40.5 26 43.5 30 45.0 8 41.5 4 40.0 14 36.0 11 25.5 30 24.0 1 45.0 1990 26.0 24 23.5 19 28.5 13 35.0 27 41.0 25 45.0 29 42.0 3 44.5 11 41.5 1 36.0 1 29.0 3 23.0 4 45.0 1991 14.8 30 21.5 27 25.0 24 34.5 25 39.0 17 42.0 12 44.0 7 44.5 7 43.0 9 30.5 27 29.5 2 24.5 11 44.5 1992 15.0 3 24.6 24 25.0 30 32.0 22 38.0 30 42.5 25 43.5 5 41.0 23 37.5 25 35.5 26 27.5 8 19.5 17 43.5 1993 18.0 30 20.5 1 25.0 31 33.0 19 42.5 29 ***** ** 41.5 2 41.0 14 39.0 5 36.0 1 33.0 3 20.0 29 ***** 1994 21.5 4 25.0 1 29.5 31 37.0 25 39.0 30 42.5 16 43.5 7 44.0 6 38.0 11 33.0 2 29.5 6 24.0 3 44.0 1995 23.0 12 ***** ** 24.5 20 ***** ** ***** ** 46.5 22 46.5 9 45.5 21 40.5 10 36.5 4 29.4 4 18.5 2 ***** 1996 18.5 6 27.0 11 24.5 26 35.0 21 41.5 31 45.5 5 ***** ** ***** ** ***** ** ***** ** 25.0 7 20.0 21 ***** 1997 21.0 16 22.0 11 27.0 22 ***** ** ***** ** 43.0 17 46.0 24 44.0 15 41.0 2 36.5 6 26.0 5 22.0 10 ***** 1998 17.0 30 26.0 8 28.0 25 36.0 16 39.5 12 40.0 3 45.0 5 44.5 18 ***** ** ***** ** ***** ** ***** ** ***** 1999 18.0 1 ***** ** ***** ** ***** ** ***** ** 45.0 29 46.0 5 42.5 30 43.5 1 38.5 21 26.0 27 20.5 30 ***** 2000 21.0 28 22.0 23 26.5 24 36.6 10 42.6 7 42.5 6 42.0 1 42.5 5 41.5 6 38.5 19 29.6 2 19.5 29 42.6 2001 18.5 1 ***** ** ***** ** 37.5 8 41.5 16 44.8 19 44.6 11 43.5 25 40.2 7 35.6 22 30.6 4 24.5 1 ***** 2002 24.2 7 25.0 25 31.0 27 34.0 9 39.5 2 43.2 29 43.8 19 ***** ** 40.5 11 36.5 3 28.0 12 20.0 9 ***** 2003 23.0 13 22.5 26 34.5 28 38.0 4 37.0 25 43.6 24 46.6 31 42.5 6 38.2 19 36.5 2 25.2 1 20.6 19 46.6 HIG. 26.0 24 27.0 11 34.5 28 39.0 18 43.5 31 48.0 12 48.0 5 48.0 15 48.0 15 42.0 4 33.0 3 24.5 11 48.0 YEAR 1990 1996 2003 1970 1970 1976 1975 1975 1975 1974 1993 1991 1975 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 10 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 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 1968 18.0 18 14.0 26 3.0 9 15.5 24 8.0 31 0.5 20 1.0 3 0.0 ** 0.0 ** 0.5 8 5.0 27 14.0 24 18.0 1969 5.0 21 8.0 28 10.0 27 2.2 13 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 5.0 27 1.4 22 18.0 31 18.0 1970 36.0 12 14.0 8 12.0 7 10.0 23 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 18.0 27 36.0 1971 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1972 21.0 31 13.0 9 0.0 ** 10.0 20 15.0 11 2.0 14 0.0 ** ***** ** 0.0 ** 0.0 ** 0.0 ** 6.0 23 ***** 1973 0.0 ** 5.0 10 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 10.0 30 10.0 1974 18.0 28 18.0 28 8.0 31 15.0 11 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 5.0 12 18.0 1975 10.0 20 5.0 12 0.0 ** 5.0 23 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 5.0 15 18.0 3 18.0 1976 8.0 22 10.0 23 30.0 16 12.0 11 9.0 2 0.0 ** 0.0 ** 0.0 ** 0.0 ** 20.0 28 12.0 29 ***** ** ***** 1977 15.0 20 12.0 13 12.0 16 4.0 7 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 12.0 26 8.0 6 0.0 ** 15.0 1978 7.0 27 32.0 26 0.0 ** 0.0 ** 14.0 28 0.0 ** 0.0 ** 0.0 ** 0.0 ** ***** ** 14.0 16 5.0 21 ***** 1979 16.0 26 5.0 10 14.0 18 0.0 ** 25.0 9 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 12.0 29 12.0 21 25.0 1980 22.0 26 12.0 17 12.0 15 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 5.0 11 22.0 1981 0.0 ** 12.0 23 ***** ** ***** ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 5.0 27 18.0 3 ***** 1982 15.0 17 25.0 25 3.0 3 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** ***** ** ***** ** ***** 1983 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1984 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1985 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1986 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1987 0.0 ** 10.5 21 8.5 30 8.0 5 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 8.0 27 0.0 ** 0.0 ** 10.5 1988 3.0 18 26.0 3 15.0 24 5.0 30 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 6.0 20 26.0 1989 13.0 3 7.0 25 1.0 11 4.0 30 5.0 8 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 6.0 7 2.0 15 13.0 1990 5.0 5 11.0 5 6.0 19 4.5 30 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 3.0 28 16.0 26 16.0 1991 9.0 3 7.5 23 10.0 28 0.2 5 6.5 6 0.0 ** 0.0 ** 0.0 ** 0.0 ** 4.0 18 13.0 16 18.5 14 18.5 1992 3.0 23 0.0 ** 3.5 18 20.0 7 12.0 8 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 6.0 9 20.0 1993 10.0 14 5.0 5 2.0 6 5.0 27 3.0 3 ***** ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 1.5 19 0.0 ** ***** 1994 4.0 24 8.0 25 8.0 24 0.0 ** 3.0 6 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 8.0 1995 0.0 ** ***** ** 0.0 ** ***** ** ***** ** 1.5 6 0.0 ** 0.0 ** 0.0 ** 3.0 23 0.0 ** 4.0 6 ***** 1996 9.0 4 34.0 23 14.5 14 1.5 16 7.0 14 2.5 28 ***** ** ***** ** ***** ** ***** ** 0.0 ** 0.8 15 ***** 1997 5.2 17 0.0 ** 1.2 16 0.0 ** 0.0 ** 10.0 11 0.0 ** 0.0 ** 0.0 ** 6.0 24 2.0 13 6.5 18 10.0 1998 4.0 21 18.5 12 5.0 10 2.5 6 2.5 14 0.0 ** 0.0 ** 0.0 ** ***** ** ***** ** ***** ** ***** ** ***** 1999 8.0 18 ***** ** ***** ** ***** ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.0 31 3.0 9 1.0 12 ***** 2000 11.0 29 10.5 7 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 4.0 4 0.0 ** 9.0 16 11.0 2001 5.0 25 ***** ** ***** ** 0.0 ** 2.0 2 1.0 14 0.0 ** 0.0 ** 0.0 ** 3.0 29 0.0 ** 4.0 15 ***** 2002 8.0 22 1.0 20 4.0 21 21.0 12 0.0 ** 0.0 ** 0.0 ** ***** ** 0.0 ** 0.0 ** 0.0 ** 4.0 11 ***** 2003 0.0 ** 7.0 17 2.0 23 16.0 18 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.0 15 30.0 12 30.0 HIG. 36.0 12 34.0 23 30.0 16 21.0 12 25.0 9 10.0 11 1.0 3 0.0 ** 0.0 ** 20.0 28 14.0 16 30.0 12 36.0 YEAR 1970 1996 1976 2002 1979 1997 1968 **** **** 1976 1978 2003 1970 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 11 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 MET. MONTHLY TOTAL PRECIPITATION WITH SEASONAL PERCENT. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL SEASONAL-PERCENT ----------------------- 1968 34.8 76.2 12.5 49.6 18.7 0.5 1.0 0.0 0.0 1.0 9.5 42.8 246.6 50.1 27.9 0.4 21.6 1969 27.3 22.5 21.6 5.2 0.0 0.0 0.0 0.0 0.0 7.0 2.2 47.4 133.2 53.6 3.9 0.0 42.5 1970 57.0 36.0 15.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 46.0 164.0 65.9 6.1 0.0 28.0 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1972 54.0 25.0 0.0 20.0 15.0 2.0 0.0 ****** 0.0 0.0 0.0 14.0 ****** 60.8 28.5 0.0 10.8 1973 0.0 5.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10.0 15.0 33.3 0.0 0.0 66.7 1974 42.0 33.0 21.0 15.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5.0 116.0 82.8 12.9 0.0 4.3 1975 18.0 5.0 0.0 5.0 0.0 0.0 0.0 0.0 0.0 0.0 5.0 23.0 56.0 41.1 8.9 0.0 50.0 1976 13.0 10.0 70.0 12.0 9.0 0.0 0.0 0.0 0.0 20.0 12.0 ****** ****** 63.7 14.4 0.0 21.9 1977 43.5 12.0 12.0 4.0 0.0 0.0 0.0 0.0 0.0 12.0 8.0 0.0 91.5 73.8 4.4 0.0 21.9 1978 11.0 42.0 0.0 0.0 14.0 0.0 0.0 0.0 0.0 ****** 14.0 5.0 ****** 61.6 16.3 0.0 22.1 1979 16.0 5.0 26.0 0.0 43.0 0.0 0.0 0.0 0.0 0.0 12.0 12.0 114.0 41.2 37.7 0.0 21.1 1980 22.0 12.0 12.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9.0 55.0 83.6 0.0 0.0 16.4 1981 0.0 22.0 ****** ****** 0.0 0.0 0.0 0.0 0.0 0.0 8.0 33.0 ****** 34.9 0.0 0.0 65.1 1982 18.0 43.0 3.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ****** ****** ****** 100.0 0.0 0.0 0.0 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1986 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1987 0.0 18.2 22.0 25.3 0.0 0.0 0.0 0.0 0.0 8.0 0.0 0.0 73.5 54.7 34.4 0.0 10.9 1988 8.0 42.0 42.0 7.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 6.0 105.0 87.6 6.7 0.0 5.7 1989 28.0 13.0 1.0 4.0 5.0 0.0 0.0 0.0 0.0 0.0 22.0 2.0 75.0 56.0 12.0 0.0 32.0 1990 13.0 26.0 8.0 6.5 0.0 0.0 0.0 0.0 0.0 0.0 3.0 20.0 76.5 61.4 8.5 0.0 30.1 1991 44.5 19.0 31.5 0.2 8.5 0.0 0.0 0.0 0.0 4.0 13.0 34.0 154.7 61.4 5.6 0.0 33.0 1992 15.5 0.0 12.0 29.5 34.9 0.0 0.0 0.0 0.0 0.0 0.0 15.0 106.9 25.7 60.2 0.0 14.0 1993 20.5 20.5 2.0 7.0 3.0 ****** 0.0 0.0 0.0 0.0 5.5 0.0 ****** 73.5 17.1 0.0 9.4 1994 7.0 8.0 12.0 0.0 3.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 30.0 90.0 10.0 0.0 0.0 1995 0.0 ****** 0.0 ****** ****** 1.5 0.0 0.0 0.0 3.0 0.0 13.0 ****** 0.0 8.6 0.0 91.4 1996 30.0 60.0 34.5 1.5 14.0 2.5 ****** ****** ****** ****** 0.0 1.2 ****** 86.6 12.5 ***** 0.8 1997 5.4 0.0 2.2 0.0 0.0 20.0 0.0 0.0 0.0 6.0 2.5 10.5 46.6 16.3 42.9 0.0 40.8 1998 10.5 22.0 11.5 6.0 3.0 0.0 0.0 0.0 ****** ****** ****** ****** ****** 83.0 17.0 0.0 ***** 1999 17.0 ****** ****** ****** 0.0 0.0 0.0 0.0 0.0 2.0 4.0 1.0 ****** 70.8 0.0 0.0 29.2 2000 13.0 23.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.0 0.0 22.5 63.0 57.9 0.0 0.0 42.1 2001 8.0 ****** ****** 0.0 4.0 1.0 0.0 0.0 0.0 3.0 0.0 9.0 ****** 32.0 20.0 0.0 48.0 2002 26.0 1.0 4.0 37.5 0.0 0.0 0.0 ****** 0.0 0.0 0.0 4.0 ****** 42.8 51.7 0.0 5.5 2003 0.0 8.0 2.0 36.0 0.0 0.0 0.0 0.0 0.0 0.0 2.0 30.0 78.0 12.8 46.2 0.0 41.0 MEAN 19.5 21.8 13.5 10.0 5.8 0.9 0.0 0.0 0.0 2.5 4.2 14.8 93.0 58.8 18.0 0.0 23.2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 12 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 MET. NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1968 5 9 7 6 5 1 1 0 0 2 3 5 44 1969 12 5 6 3 0 0 0 0 0 2 2 6 36 1970 4 3 2 1 1 0 0 0 0 0 0 3 14 1971 *** *** *** *** *** *** *** *** *** *** *** *** *** 1972 4 2 0 2 1 1 0 *** 0 0 0 3 *** 1973 0 1 0 0 0 0 0 0 0 0 0 1 2 1974 4 2 4 1 0 0 0 0 0 0 0 1 12 1975 2 1 0 1 0 0 0 0 0 0 1 2 7 1976 2 1 4 1 1 0 0 0 0 1 1 *** *** 1977 7 1 1 1 0 0 0 0 0 1 1 0 12 1978 2 2 0 0 1 0 0 0 0 *** 1 1 *** 1979 1 1 2 0 2 0 0 0 0 0 1 2 9 1980 1 1 1 0 0 0 0 0 0 0 0 2 5 1981 0 2 *** *** 0 0 0 0 0 0 2 3 *** 1982 2 2 1 0 0 0 0 0 0 0 *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** *** *** *** *** *** *** *** *** *** *** *** 1987 0 6 5 8 1 0 0 0 0 1 0 0 21 1988 4 9 5 4 0 0 0 0 0 0 0 1 23 1989 5 7 8 5 2 0 0 0 0 0 8 3 38 1990 8 9 5 3 0 0 0 0 0 1 1 4 31 1991 10 8 9 4 3 1 0 0 0 8 1 5 49 1992 9 0 6 5 7 1 0 0 0 0 0 5 33 1993 4 8 1 2 1 *** 0 0 0 0 6 0 *** 1994 4 2 2 0 1 0 0 0 0 0 1 0 10 1995 0 *** 0 *** *** 2 0 0 1 1 0 5 *** 1996 6 6 5 1 3 1 *** *** *** *** 0 2 *** 1997 2 0 3 0 0 2 0 0 0 1 2 4 14 1998 4 3 6 3 2 0 0 0 *** *** *** *** *** 1999 4 *** *** *** 0 0 0 0 0 1 2 1 *** 2000 2 3 0 0 0 0 0 0 0 1 0 5 11 2001 3 *** *** 0 2 1 0 0 0 1 0 3 *** 2002 6 1 1 6 0 0 0 *** 0 0 0 1 *** 2003 0 2 1 4 0 0 0 0 0 0 1 1 9 MEAN 4 3 3 2 1 0 0 0 0 1 1 2 17 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 13 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 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 1968 5 8 6 6 5 0 1 0 0 0 3 5 39 1969 11 5 3 3 0 0 0 0 0 2 1 6 31 1970 4 3 2 1 0 0 0 0 0 0 0 3 13 1971 *** *** *** *** *** *** *** *** *** *** *** *** *** 1972 4 2 0 2 1 1 0 *** 0 0 0 3 *** 1973 0 1 0 0 0 0 0 0 0 0 0 1 2 1974 4 2 4 1 0 0 0 0 0 0 0 1 12 1975 2 1 0 1 0 0 0 0 0 0 1 2 7 1976 2 1 4 1 1 0 0 0 0 1 1 *** *** 1977 7 1 1 1 0 0 0 0 0 1 1 0 12 1978 2 2 0 0 1 0 0 0 0 *** 1 1 *** 1979 1 1 2 0 2 0 0 0 0 0 1 1 8 1980 1 1 1 0 0 0 0 0 0 0 0 2 5 1981 0 2 *** *** 0 0 0 0 0 0 2 3 *** 1982 2 2 1 0 0 0 0 0 0 0 *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** *** *** *** *** *** *** *** *** *** *** *** 1987 0 6 4 7 0 0 0 0 0 1 0 0 18 1988 4 8 5 3 0 0 0 0 0 0 0 1 21 1989 5 3 1 1 1 0 0 0 0 0 6 1 18 1990 5 5 3 3 0 0 0 0 0 0 1 3 20 1991 7 5 6 0 2 0 0 0 0 1 1 4 26 1992 7 0 5 5 5 0 0 0 0 0 0 5 27 1993 4 7 1 2 1 *** 0 0 0 0 5 0 *** 1994 3 1 2 0 1 0 0 0 0 0 0 0 7 1995 0 *** 0 *** *** 1 0 0 0 1 0 5 *** 1996 6 6 5 1 3 1 *** *** *** *** 0 0 *** 1997 1 0 1 0 0 2 0 0 0 1 1 4 10 1998 4 3 6 3 1 0 0 0 *** *** *** *** *** 1999 4 *** *** *** 0 0 0 0 0 1 2 1 *** 2000 2 3 0 0 0 0 0 0 0 1 0 5 11 2001 3 *** *** 0 2 1 0 0 0 1 0 3 *** 2002 6 1 1 6 0 0 0 *** 0 0 0 1 *** 2003 0 2 1 4 0 0 0 0 0 0 1 1 9 MEAN 3 3 2 2 1 0 0 0 0 0 1 2 14 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 14 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 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 1968 1 4 0 3 0 0 0 0 0 0 0 3 11 1969 0 0 1 0 0 0 0 0 0 0 0 3 4 1970 2 3 1 1 0 0 0 0 0 0 0 3 10 1971 *** *** *** *** *** *** *** *** *** *** *** *** *** 1972 3 2 0 2 1 0 0 *** 0 0 0 0 *** 1973 0 0 0 0 0 0 0 0 0 0 0 1 1 1974 2 2 0 1 0 0 0 0 0 0 0 0 5 1975 1 0 0 0 0 0 0 0 0 0 0 1 2 1976 0 1 3 1 0 0 0 0 0 1 1 *** *** 1977 2 1 1 0 0 0 0 0 0 1 0 0 5 1978 0 2 0 0 1 0 0 0 0 *** 1 0 *** 1979 1 0 2 0 2 0 0 0 0 0 1 1 7 1980 1 1 1 0 0 0 0 0 0 0 0 0 3 1981 0 2 *** *** 0 0 0 0 0 0 0 2 *** 1982 1 2 0 0 0 0 0 0 0 0 *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** *** *** *** *** *** *** *** *** *** *** *** 1987 0 1 0 0 0 0 0 0 0 0 0 0 1 1988 0 1 2 0 0 0 0 0 0 0 0 0 3 1989 1 0 0 0 0 0 0 0 0 0 0 0 1 1990 0 1 0 0 0 0 0 0 0 0 0 1 2 1991 0 0 1 0 0 0 0 0 0 0 1 1 3 1992 0 0 0 1 2 0 0 0 0 0 0 0 3 1993 1 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 *** 1996 0 2 2 0 0 0 *** *** *** *** 0 0 *** 1997 0 0 0 0 0 2 0 0 0 0 0 0 2 1998 0 1 0 0 0 0 0 0 *** *** *** *** *** 1999 0 *** *** *** 0 0 0 0 0 0 0 0 *** 2000 1 2 0 0 0 0 0 0 0 0 0 0 3 2001 0 *** *** 0 0 0 0 0 0 0 0 0 *** 2002 0 0 0 1 0 0 0 *** 0 0 0 0 *** 2003 0 0 0 2 0 0 0 0 0 0 0 1 3 MEAN 1 1 1 0 0 0 0 0 0 0 0 1 4 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 15 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1968 56 44 *** *** *** 30 40 38 33 49 67 *** *** 1969 *** *** 56 46 48 39 32 22 23 47 *** *** *** 1970 67 65 64 41 31 23 26 27 29 43 58 64 45 1971 *** *** *** *** *** *** *** *** *** *** *** *** *** 1972 75 86 80 45 44 23 23 *** 39 38 55 73 *** 1973 54 54 49 45 36 31 23 23 25 32 38 36 37 1974 38 39 45 48 45 27 25 26 35 39 44 42 38 1975 47 46 48 53 52 25 18 22 23 45 41 41 38 1976 46 44 46 43 39 23 18 29 25 42 38 *** *** 1977 40 41 39 37 36 32 33 36 35 49 46 53 40 1978 49 44 52 38 37 29 30 33 32 *** 48 40 *** 1979 42 42 49 43 38 26 16 19 23 26 38 39 33 1980 44 42 36 36 26 17 21 16 26 39 43 46 33 1981 60 57 *** *** 40 24 17 33 37 44 48 40 *** 1982 47 38 43 38 34 13 19 22 24 44 *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** *** *** *** *** *** *** *** *** *** *** *** 1987 57 65 57 42 35 31 32 32 39 49 46 57 45 1988 61 67 53 41 34 28 33 32 33 38 43 59 44 1989 71 69 52 34 32 26 26 33 27 36 56 58 43 1990 70 62 49 40 32 25 34 28 26 34 43 59 42 1991 79 70 71 38 41 39 36 27 34 46 52 65 50 1992 73 63 65 50 56 43 26 33 28 34 48 58 48 1993 65 67 49 51 31 *** 27 36 37 43 46 51 *** 1994 57 51 49 40 43 35 38 37 46 44 54 58 46 1995 66 *** 53 *** *** 41 33 36 36 52 52 69 *** 1996 71 70 61 46 60 37 *** *** *** *** 47 53 *** 1997 69 62 55 *** *** 33 30 28 22 40 55 73 *** 1998 70 76 82 31 43 28 33 34 *** *** *** *** *** 1999 76 *** *** *** 30 24 29 29 45 60 72 64 *** 2000 49 43 40 26 28 24 25 27 31 44 53 62 38 2001 62 *** *** 31 27 24 19 25 27 36 42 57 *** 2002 62 45 35 48 31 31 27 *** 20 31 56 66 *** 2003 53 54 38 43 34 22 20 26 32 43 39 58 39 MEAN 59 56 52 41 38 28 27 29 31 42 49 55 42 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 16 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1968 37 30 *** *** *** 28 25 24 25 35 47 *** *** 1969 *** *** 39 24 17 18 18 13 16 28 *** *** *** 1970 53 34 31 22 16 15 14 14 16 24 23 43 25 1971 *** *** *** *** *** *** *** *** *** *** *** *** *** 1972 71 62 42 24 22 15 16 *** 17 19 30 59 *** 1973 59 52 43 44 38 26 21 23 23 30 39 43 37 1974 49 53 50 56 44 19 20 23 27 40 45 47 39 1975 51 56 47 52 58 27 21 24 24 44 50 46 42 1976 50 49 51 46 32 22 20 26 25 42 44 *** *** 1977 51 45 43 40 39 34 36 38 37 53 50 51 43 1978 50 42 53 40 38 24 30 31 34 *** 47 45 *** 1979 48 50 50 46 40 30 20 20 25 26 44 43 37 1980 47 47 39 33 23 19 19 23 26 39 45 49 34 1981 36 35 *** *** 32 22 22 30 31 44 41 46 *** 1982 48 39 50 38 38 18 21 24 26 44 *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** *** *** *** *** *** *** *** *** *** *** *** 1987 32 35 30 27 22 20 18 18 21 30 27 37 26 1988 36 45 31 26 21 18 19 18 17 21 26 33 26 1989 50 43 32 21 17 15 12 19 17 21 31 35 26 1990 41 44 30 24 18 15 21 17 14 21 24 36 25 1991 60 47 47 23 25 19 22 15 20 28 31 53 33 1992 48 38 43 33 43 27 19 23 14 21 27 40 31 1993 56 56 40 41 21 *** 22 20 24 26 30 34 *** 1994 42 37 39 25 24 20 23 33 43 35 38 42 33 1995 61 *** 34 *** *** 24 21 14 18 27 31 58 *** 1996 52 46 51 40 49 30 *** *** *** *** 26 34 *** 1997 48 45 43 *** *** 20 18 17 11 22 35 39 *** 1998 46 36 54 19 21 17 18 16 *** *** *** *** *** 1999 62 *** *** *** 15 14 21 20 25 24 67 63 *** 2000 43 41 32 24 21 16 19 22 20 29 47 57 31 2001 57 *** *** 29 22 16 15 17 17 26 38 53 *** 2002 46 33 25 33 22 21 21 *** 15 21 42 48 *** 2003 43 39 33 32 23 18 19 18 21 29 25 41 28 MEAN 49 44 41 33 29 21 20 21 22 30 38 45 33 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 17 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1968 43 40 *** *** *** 29 37 36 37 45 71 *** *** 1969 *** *** 35 32 24 29 20 17 17 28 *** *** *** 1970 62 44 40 29 22 16 20 17 22 30 38 57 33 1971 *** *** *** *** *** *** *** *** *** *** *** *** *** 1972 75 69 50 32 33 18 16 *** 19 23 43 64 *** 1973 51 48 41 41 36 27 20 20 22 28 40 40 35 1974 42 46 49 53 43 19 20 22 27 40 45 44 38 1975 48 54 48 54 57 26 19 22 24 45 46 43 41 1976 50 47 47 45 34 24 20 25 25 43 40 *** *** 1977 48 41 41 38 37 34 34 36 37 52 51 54 42 1978 50 44 55 37 37 26 28 32 33 *** 47 43 *** 1979 45 47 49 46 39 27 20 21 24 26 40 41 35 1980 43 44 38 33 22 18 18 19 26 39 45 47 33 1981 40 39 *** *** 32 21 19 30 24 44 44 43 *** 1982 46 40 47 38 37 15 22 24 25 45 *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** *** *** *** *** *** *** *** *** *** *** *** 1987 39 44 34 32 24 19 18 20 24 33 30 40 30 1988 43 50 36 29 22 18 20 19 19 24 29 38 29 1989 53 48 34 24 17 15 13 22 19 24 38 40 29 1990 51 50 37 26 19 16 22 18 17 25 30 43 30 1991 67 50 51 25 26 24 26 16 23 31 38 54 36 1992 52 51 48 34 46 29 19 24 21 25 31 48 36 1993 63 59 42 41 19 *** 21 21 25 29 38 43 *** 1994 48 45 42 35 32 30 28 33 42 44 45 50 40 1995 65 *** 46 *** *** 26 19 20 21 36 40 60 *** 1996 63 52 53 40 47 27 *** *** *** *** 37 35 *** 1997 56 55 51 *** *** 21 17 16 18 23 39 43 *** 1998 52 35 78 20 35 20 21 19 *** *** *** *** *** 1999 64 *** *** *** 15 14 18 24 26 35 69 70 *** 2000 43 43 34 23 24 16 17 23 19 34 50 59 32 2001 59 *** *** 28 21 14 12 15 17 25 33 55 *** 2002 52 29 25 30 18 17 17 *** 11 19 43 46 *** 2003 46 40 31 36 18 14 14 15 19 31 26 51 28 MEAN 52 46 44 35 30 22 21 22 24 33 42 48 35 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 18 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 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 1968 *** 1 *** *** *** 0 0 *** *** 0 0 *** *** 1969 *** *** 0 0 0 0 0 0 0 0 *** *** *** 1970 *** 0 0 0 0 0 0 0 0 0 0 6 *** 1971 *** *** *** *** *** *** *** *** *** *** *** *** *** 1972 6 11 0 0 0 0 0 *** 0 0 0 8 *** 1973 9 0 0 0 0 0 0 0 0 0 0 0 9 1974 0 0 0 0 0 0 0 0 0 0 0 0 0 1975 0 0 0 0 0 0 0 0 0 0 0 0 0 1976 0 0 0 0 0 0 0 0 0 0 0 *** *** 1977 0 0 0 0 0 0 0 0 0 0 0 0 0 1978 0 0 0 0 0 0 0 0 0 *** 0 0 *** 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 *** 1982 0 0 0 0 0 0 0 0 0 0 *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** *** *** *** *** *** *** *** *** *** *** *** 1987 0 0 0 0 0 0 0 0 0 0 0 2 2 1988 3 0 0 0 0 0 0 0 0 0 0 0 3 1989 6 0 0 0 0 0 0 0 0 0 0 0 6 1990 2 0 0 0 0 0 0 0 0 0 0 0 2 1991 0 2 0 0 0 0 0 0 0 0 0 0 2 1992 3 0 0 0 0 0 0 0 0 0 0 0 3 1993 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 *** 1996 *** *** 0 0 0 0 *** *** *** *** 0 0 *** 1997 2 0 0 *** *** 0 0 0 0 0 0 0 *** 1998 0 0 0 0 0 0 0 0 *** *** *** *** *** 1999 2 *** *** *** 0 0 0 0 0 0 0 0 *** 2000 3 0 0 0 0 0 0 0 0 0 0 0 3 2001 0 *** *** 0 0 0 0 0 0 0 0 0 *** 2002 2 1 0 0 0 0 0 *** 0 0 0 4 *** 2003 0 0 0 0 0 0 0 0 0 0 0 3 3 MEAN 1 1 0 0 0 0 0 0 0 0 0 1 3 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 19 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 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 1968 *** 0 *** *** *** 1 0 *** *** 0 0 *** *** 1969 *** *** 0 3 5 16 26 28 16 2 *** *** *** 1970 *** 0 0 0 12 23 29 30 9 0 0 0 *** 1971 *** *** *** *** *** *** *** *** *** *** *** *** *** 1972 0 0 0 0 3 26 29 *** 3 0 0 0 *** 1973 0 0 0 1 2 8 19 16 20 2 0 0 68 1974 0 0 0 0 0 12 26 25 9 0 0 0 72 1975 0 0 0 0 0 4 10 6 9 3 0 0 32 1976 0 0 0 0 2 9 8 7 3 0 0 *** *** 1977 0 0 0 0 0 9 6 7 1 0 0 0 23 1978 0 0 0 0 4 6 9 5 5 *** 0 0 *** 1979 0 0 0 0 4 5 11 10 0 0 0 0 30 1980 0 0 0 1 1 3 1 1 0 0 0 0 7 1981 0 0 *** *** 3 8 8 2 14 3 0 0 *** 1982 0 0 0 0 1 2 3 6 9 3 *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** *** *** *** *** *** *** *** *** *** *** *** 1987 0 0 0 7 12 29 31 31 8 0 0 0 118 1988 0 0 0 1 13 30 31 29 21 1 0 0 126 1989 0 0 0 1 9 30 31 31 20 5 0 0 127 1990 0 0 0 4 18 27 29 31 18 2 0 0 129 1991 0 0 0 4 6 29 31 29 16 2 0 0 117 1992 0 0 1 4 1 23 31 24 7 1 0 0 92 1993 0 0 0 5 24 *** 31 29 16 1 3 0 *** 1994 0 0 2 11 30 30 10 30 16 12 0 0 141 1995 0 *** 0 *** *** 29 *** 31 9 0 0 0 *** 1996 *** *** 0 0 5 6 *** *** *** *** 0 0 *** 1997 0 0 0 *** *** 24 31 27 10 3 0 0 *** 1998 0 0 0 6 11 29 31 28 *** *** *** *** *** 1999 0 *** *** *** 11 30 30 29 25 3 0 0 *** 2000 0 0 0 3 17 17 31 31 7 0 0 0 106 2001 0 *** *** 14 26 26 29 22 8 0 0 0 *** 2002 0 0 0 3 9 25 31 *** 16 0 0 0 *** 2003 0 0 2 1 6 24 31 28 14 1 0 0 107 MEAN 0 0 0 3 8 18 22 21 11 2 0 0 85 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 20 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 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 1968 0 0 *** *** *** *** *** *** *** *** *** *** *** 1969 *** *** 0 0 0 0 0 0 0 0 *** *** *** 1970 *** 0 0 0 0 0 0 0 0 0 0 0 *** 1971 *** *** *** *** *** *** *** *** *** *** *** *** *** 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 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 *** *** 1977 0 0 0 0 0 0 0 0 0 0 0 0 0 1978 0 0 0 0 0 0 0 0 0 *** 0 0 *** 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 *** 1982 0 0 0 0 0 0 0 0 0 0 *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** *** *** *** *** *** *** *** *** *** *** *** 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 *** 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 *** 0 *** *** 0 0 0 0 0 0 0 *** 1996 2 0 0 0 0 0 *** *** *** *** 0 0 *** 1997 0 0 0 *** *** 0 0 0 0 0 0 0 *** 1998 0 0 0 0 0 0 0 0 *** *** *** *** *** 1999 0 *** *** *** *** 0 0 0 0 0 0 0 *** 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 2001 0 *** *** 0 0 0 0 0 0 0 0 0 *** 2002 0 0 0 0 0 0 0 *** 0 0 0 0 *** 2003 0 0 0 0 0 0 0 0 0 0 0 1 1 MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 21 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 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 1968 0 0 *** *** *** *** *** *** *** *** *** *** *** 1969 *** *** 1 11 24 22 30 27 25 10 *** *** *** 1970 *** 0 1 17 28 30 31 31 24 18 2 0 *** 1971 *** *** *** *** *** *** *** *** *** *** *** *** *** 1972 0 0 0 11 15 30 31 *** 30 29 1 0 *** 1973 0 0 0 3 13 28 31 29 29 10 1 0 144 1974 0 0 0 0 7 29 31 30 29 6 1 0 133 1975 0 0 0 0 0 27 31 28 28 15 0 0 129 1976 0 0 0 0 24 30 31 25 28 9 0 *** *** 1977 0 0 0 1 7 21 24 20 18 1 0 0 92 1978 0 0 0 10 18 28 27 26 20 *** 1 0 *** 1979 0 0 0 3 16 27 31 31 27 24 0 0 159 1980 0 0 0 18 30 30 31 31 27 6 1 0 174 1981 0 0 *** *** 25 30 31 26 21 12 0 0 *** 1982 0 0 0 15 19 30 30 28 29 11 *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** *** *** *** *** *** *** *** *** *** *** *** 1987 0 0 0 15 30 30 31 31 28 8 0 0 173 1988 0 0 1 12 29 30 31 31 28 12 0 0 174 1989 0 0 0 9 21 30 31 31 26 17 0 0 165 1990 0 0 0 10 29 30 30 31 30 10 0 0 170 1991 0 0 0 13 21 30 31 30 25 2 0 0 152 1992 0 0 0 8 8 30 31 31 25 7 0 0 140 1993 0 0 0 6 30 *** 31 17 30 4 3 0 *** 1994 0 0 0 8 27 30 31 31 22 2 0 0 151 1995 0 *** 0 *** *** 30 31 31 28 12 0 0 *** 1996 0 0 0 10 24 30 *** *** *** *** 0 0 *** 1997 0 0 0 *** *** 28 31 31 29 14 0 0 *** 1998 0 0 0 14 26 30 31 31 *** *** *** *** *** 1999 0 *** *** *** *** 30 31 31 30 29 0 0 *** 2000 0 0 0 22 31 29 31 31 30 23 0 0 197 2001 0 *** *** 23 31 30 31 31 28 19 1 0 *** 2002 0 0 2 9 26 30 31 *** 30 22 0 0 *** 2003 0 0 9 13 20 30 31 31 26 27 0 0 187 MEAN 0 0 1 10 21 29 31 29 27 13 0 0 161 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 22 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 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 1968 0 0 *** *** *** *** *** *** *** *** *** *** *** 1969 *** *** 0 0 0 1 15 0 0 0 *** *** *** 1970 *** 0 0 0 9 20 19 23 3 0 0 0 *** 1971 *** *** *** *** *** *** *** *** *** *** *** *** *** 1972 0 0 0 0 0 10 13 *** 2 0 0 0 *** 1973 0 0 0 0 1 12 13 9 6 2 0 0 43 1974 0 0 0 0 0 7 9 8 2 1 0 0 27 1975 0 0 0 0 0 5 11 9 10 2 0 0 37 1976 0 0 0 0 0 8 12 3 6 0 0 *** *** 1977 0 0 0 0 0 3 3 1 0 0 0 0 7 1978 0 0 0 0 2 4 6 3 1 *** 0 0 *** 1979 0 0 0 0 0 4 14 11 4 0 0 0 33 1980 0 0 0 0 6 10 15 13 3 1 0 0 48 1981 0 0 *** *** 0 9 12 0 1 1 0 0 *** 1982 0 0 0 0 3 17 15 9 5 2 *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** *** *** *** *** *** *** *** *** *** *** *** 1987 0 0 0 0 0 4 12 6 2 0 0 0 24 1988 0 0 0 0 1 10 18 12 2 0 0 0 43 1989 0 0 0 0 2 19 18 9 1 0 0 0 49 1990 0 0 0 0 1 15 13 18 3 0 0 0 50 1991 0 0 0 0 0 8 10 6 3 0 0 0 27 1992 0 0 0 0 0 8 13 2 0 0 0 0 23 1993 0 0 0 0 7 *** 10 3 0 0 0 0 *** 1994 0 0 0 0 0 12 24 21 0 0 0 0 57 1995 0 *** 0 *** *** 3 25 22 1 0 0 0 *** 1996 0 0 0 0 1 9 *** *** *** *** 0 0 *** 1997 0 0 0 *** *** 8 28 16 3 0 0 0 *** 1998 0 0 0 0 0 1 16 15 *** *** *** *** *** 1999 0 *** *** *** *** 12 14 4 4 0 0 0 *** 2000 0 0 0 0 10 15 14 13 5 0 0 0 57 2001 0 *** *** 0 3 13 15 19 1 0 0 0 *** 2002 0 0 0 0 0 9 14 *** 6 0 0 0 *** 2003 0 0 0 0 0 8 26 6 0 0 0 0 40 MEAN 0 0 0 0 2 9 15 10 3 0 0 0 39 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 23 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 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 1968 0 0 *** *** *** *** *** *** *** *** *** *** *** 1969 *** *** 0 0 0 0 6 0 0 0 *** *** *** 1970 *** 0 0 0 0 1 2 0 0 0 0 0 *** 1971 *** *** *** *** *** *** *** *** *** *** *** *** *** 1972 0 0 0 0 0 1 1 *** 0 0 0 0 *** 1973 0 0 0 0 0 0 1 0 0 0 0 0 1 1974 0 0 0 0 0 1 4 1 0 0 0 0 6 1975 0 0 0 0 0 0 2 1 1 0 0 0 4 1976 0 0 0 0 0 1 3 1 2 0 0 *** *** 1977 0 0 0 0 0 0 0 0 0 0 0 0 0 1978 0 0 0 0 0 0 1 0 0 *** 0 0 *** 1979 0 0 0 0 0 0 1 0 0 0 0 0 1 1980 0 0 0 0 0 2 2 0 0 0 0 0 4 1981 0 0 *** *** 0 1 2 0 0 0 0 0 *** 1982 0 0 0 0 0 1 0 1 0 0 *** *** *** 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** 1986 *** *** *** *** *** *** *** *** *** *** *** *** *** 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 1 0 0 0 0 0 1 1990 0 0 0 0 0 1 0 0 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 *** 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 *** 0 *** *** 1 5 1 0 0 0 0 *** 1996 0 0 0 0 0 1 *** *** *** *** 0 0 *** 1997 0 0 0 *** *** 0 2 0 0 0 0 0 *** 1998 0 0 0 0 0 0 2 0 *** *** *** *** *** 1999 0 *** *** *** *** 1 1 0 0 0 0 0 *** 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 2001 0 *** *** 0 0 0 0 0 0 0 0 0 *** 2002 0 0 0 0 0 0 0 *** 0 0 0 0 *** 2003 0 0 0 0 0 0 5 0 0 0 0 0 5 MEAN 0 0 0 0 0 0 1 0 0 0 0 0 1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 24 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 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 -------------- 1968 *** 8 *** *** *** 0 0 *** *** 0 0 *** *** 2 1 2 24 1969 *** *** 0 0 0 0 0 0 0 0 *** *** *** ** ** ** ** 1970 *** 3 0 0 0 0 0 0 0 0 0 19 *** 12 2 2 4 1971 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1972 26 23 0 0 0 0 0 *** 0 0 1 18 *** 11 26 2 28 1973 15 0 0 0 0 0 0 0 0 0 0 1 16 12 30 1 30 1974 6 8 4 1 0 0 0 0 0 0 0 2 21 12 11 4 10 1975 4 6 0 0 0 0 0 0 0 0 2 6 18 11 10 2 15 1976 7 3 11 0 0 0 0 0 0 0 7 *** *** 11 2 3 30 1977 8 6 4 0 0 0 0 0 0 0 0 1 19 12 23 3 9 1978 1 2 1 0 0 0 0 0 0 *** 1 6 *** 11 16 3 1 1979 2 3 0 0 1 0 0 0 0 0 6 5 17 11 2 5 9 1980 5 2 1 0 0 0 0 0 0 0 0 1 9 12 11 3 8 1981 2 1 *** *** 0 0 0 0 0 0 0 6 *** 12 8 2 11 1982 9 4 10 0 0 0 0 0 0 0 *** *** *** 1 3 3 30 1983 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1984 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1985 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1986 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1987 9 0 0 0 0 0 0 0 0 0 1 7 17 11 30 1 25 1988 10 4 0 0 0 0 0 0 0 0 0 5 19 12 24 2 9 1989 25 19 0 0 0 0 0 0 0 0 0 0 44 1 1 2 28 1990 9 6 2 0 0 0 0 0 0 0 0 5 22 12 27 3 21 1991 9 9 0 0 0 0 0 0 0 0 0 5 23 12 19 2 16 1992 15 2 1 0 0 0 0 0 0 0 3 0 21 11 27 3 11 1993 1 2 0 0 0 *** 0 0 0 0 1 2 *** 11 22 2 18 1994 0 0 0 0 0 0 0 0 0 0 0 6 6 12 6 12 24 1995 0 *** 0 *** *** 0 *** 0 0 0 0 4 *** 12 11 12 21 1996 *** *** 0 0 0 0 *** *** *** *** 1 1 *** 11 18 12 5 1997 11 8 3 *** *** 0 0 0 0 0 0 4 *** 12 28 3 11 1998 15 5 0 0 0 0 0 0 *** *** *** *** *** 1 4 2 25 1999 5 *** *** *** 0 0 0 0 0 0 0 1 *** 12 2 1 6 2000 14 9 0 0 0 0 0 0 0 0 0 0 23 1 9 2 21 2001 3 *** *** 0 0 0 0 0 0 0 0 0 *** 1 24 1 26 2002 8 3 1 0 0 0 0 *** 0 0 0 18 *** 12 4 3 8 2003 7 4 0 0 0 0 0 0 0 0 3 12 26 11 16 2 18 MEAN 8 5 1 0 0 0 0 0 0 0 1 5 20 11 2 5 9 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 25 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 MET. AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1968 6.8 8.1 ****** ****** ****** 26.6 25.5 26.0 24.4 19.4 16.2 ****** ****** 1969 ****** ****** 17.7 21.2 25.8 26.5 32.0 29.2 27.1 21.7 ****** ****** ****** 1970 6.9 11.5 14.3 22.8 28.7 33.1 33.9 34.8 27.3 20.8 15.9 8.0 21.5 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 2.9 3.1 11.6 20.8 23.7 32.8 33.6 ****** 30.0 24.4 13.6 4.3 ****** 1973 6.2 10.9 14.7 19.9 24.9 30.6 32.4 32.0 31.2 23.3 14.9 11.4 21.0 1974 7.2 6.5 8.2 15.8 22.5 30.7 33.4 32.3 28.5 21.2 15.2 8.3 19.2 1975 7.2 6.7 10.2 14.9 17.7 30.0 32.7 31.1 31.0 23.7 11.4 8.8 18.8 1976 8.3 7.6 6.0 11.4 25.5 30.8 32.1 28.6 29.1 21.2 9.6 ****** ****** 1977 5.7 7.9 9.3 14.5 21.1 26.5 27.2 26.5 24.1 19.8 11.5 10.6 17.1 1978 10.0 11.7 13.6 21.9 24.9 29.3 29.4 28.0 26.3 ****** 12.5 8.6 ****** 1979 8.5 9.1 9.6 17.4 24.2 29.5 33.3 32.2 28.6 27.2 9.6 8.2 19.8 1980 7.2 8.1 10.7 24.0 29.0 31.3 30.6 31.6 28.0 21.4 15.2 9.5 20.6 1981 9.2 10.9 ****** ****** 25.7 31.1 32.1 28.2 29.9 24.1 13.3 8.6 ****** 1982 8.0 8.4 6.0 23.5 24.9 33.9 32.0 31.0 30.3 23.9 ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1987 8.7 11.2 15.3 22.4 28.8 32.1 32.9 32.7 28.0 18.0 15.2 9.5 21.2 1988 7.3 8.8 15.2 21.2 28.3 33.2 34.4 32.3 29.4 22.4 16.1 11.2 21.6 1989 4.1 5.2 14.8 22.1 26.3 34.1 35.0 32.6 28.8 23.7 15.6 11.1 21.1 1990 8.6 8.0 14.4 21.3 29.1 34.0 33.6 33.9 30.5 22.6 16.8 10.1 21.9 1991 6.8 7.5 13.5 22.6 25.5 31.0 33.7 32.7 28.3 21.4 15.2 9.6 20.6 1992 5.0 9.2 10.8 20.2 20.4 31.2 34.9 30.7 27.6 22.2 16.0 10.2 19.9 1993 6.1 10.3 13.0 22.1 29.5 ****** 33.4 31.3 28.5 20.3 16.3 10.2 ****** 1994 9.5 10.5 16.8 22.9 28.7 31.8 34.1 34.5 27.2 23.4 19.5 9.4 22.4 1995 13.1 ****** 14.4 ****** ****** 31.3 35.6 34.6 28.1 21.3 16.2 7.0 ****** 1996 4.4 10.2 13.0 22.2 27.8 34.2 ****** ****** ****** ****** 11.5 9.8 ****** 1997 7.6 9.4 13.3 ****** ****** 33.4 36.7 34.3 30.1 25.0 14.7 10.3 ****** 1998 8.0 9.5 16.2 24.2 28.1 33.4 35.3 33.8 ****** ****** ****** ****** ****** 1999 7.3 ****** ****** ****** 28.7 33.6 33.1 33.1 31.1 25.3 14.6 11.9 ****** 2000 9.6 12.3 16.3 27.3 32.1 33.7 34.3 34.6 31.4 23.9 14.1 10.4 23.3 2001 10.3 ****** ****** 27.1 31.4 33.5 35.6 33.8 29.9 23.9 16.8 12.8 ****** 2002 9.0 12.6 18.9 22.8 29.7 33.0 34.4 ****** 31.7 25.6 15.8 7.7 ****** 2003 10.3 11.7 22.6 22.4 25.4 33.3 37.9 33.5 28.8 25.8 15.0 8.7 22.9 MEAN 7.7 9.1 13.4 21.1 26.4 31.6 33.2 31.8 28.8 22.7 14.6 9.5 20.8 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 26 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 MET. AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1968 -5.1 -6.1 ****** ****** ****** 4.7 6.1 6.7 4.0 5.2 7.8 ****** ****** 1969 ****** ****** 3.1 1.9 2.6 3.6 5.5 0.1 -0.5 3.5 ****** ****** ****** 1970 -0.8 -0.4 1.2 3.4 3.8 4.6 6.5 7.1 3.4 2.3 1.0 -1.4 2.6 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 -1.7 -1.9 1.8 2.8 4.7 5.1 5.8 ****** 6.5 3.1 0.0 -2.0 ****** 1973 -3.0 0.4 1.6 5.1 7.6 8.7 5.7 6.1 6.4 3.6 -0.1 -2.5 3.3 1974 -5.3 -5.1 -2.8 5.6 8.5 4.3 7.1 7.9 7.9 6.2 2.9 -3.4 2.8 1975 -3.3 -3.3 -0.9 5.1 8.6 6.0 4.4 5.7 6.3 10.0 -0.6 -3.8 2.8 1976 -2.4 -3.7 -5.4 -0.5 7.4 5.9 3.6 6.3 5.1 7.1 -4.2 ****** ****** 1977 -6.2 -5.1 -4.3 -0.2 5.5 8.4 9.0 9.8 7.3 9.1 0.8 1.0 2.9 1978 -0.5 -1.2 3.9 6.4 7.8 5.6 7.7 8.3 7.7 ****** 1.1 -4.3 ****** 1979 -3.3 -2.3 -0.7 4.6 8.3 6.4 4.5 4.9 4.7 3.4 -4.2 -5.4 1.7 1980 -4.9 -4.4 -4.4 6.5 4.5 1.7 1.3 2.5 5.4 5.9 2.8 -1.5 1.3 1981 -2.5 -1.6 ****** ****** 7.1 5.8 3.4 8.9 7.2 9.6 1.1 -4.2 ****** 1982 -3.4 -5.6 -5.6 7.0 6.8 2.8 4.8 5.8 6.7 9.8 ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1987 -4.0 -0.3 0.6 4.3 7.4 7.1 8.0 8.2 6.8 2.0 -1.3 -2.5 3.0 1988 -4.0 -0.9 0.7 3.1 6.2 7.4 10.0 7.9 5.0 1.7 -1.0 -1.8 2.9 1989 -4.0 -4.2 0.5 1.2 1.3 6.0 5.0 8.9 3.7 2.8 1.6 -1.5 1.8 1990 -1.0 -1.8 -0.4 1.7 5.0 6.1 10.4 7.6 3.0 1.7 -1.2 -2.1 2.4 1991 1.2 -1.6 4.3 2.3 5.3 8.1 11.7 5.2 5.6 4.3 0.5 0.6 4.0 1992 -3.5 -1.4 0.5 3.7 7.8 11.7 9.0 7.7 1.5 1.3 -0.4 -0.6 3.1 1993 -1.3 2.7 0.0 8.1 5.9 ****** 8.4 8.2 6.9 2.7 1.4 -2.3 ****** 1994 -1.1 -2.0 3.2 5.1 10.1 10.6 12.7 15.4 13.2 8.7 6.9 -0.8 6.8 1995 6.0 ****** 2.1 ****** ****** 10.6 11.1 9.1 4.3 5.1 2.2 -0.3 ****** 1996 -2.6 1.0 3.9 7.7 16.2 14.2 ****** ****** ****** ****** -3.9 -3.7 ****** 1997 -0.6 -0.5 2.5 ****** ****** 9.5 10.0 7.0 1.3 4.2 1.5 -0.3 ****** 1998 -0.7 -2.0 10.7 0.1 9.3 7.5 10.4 8.2 ****** ****** ****** ****** ****** 1999 1.2 ****** ****** ****** 1.4 3.1 7.5 8.3 10.7 8.6 8.7 5.1 ****** 2000 -3.2 -1.5 -0.4 3.0 6.9 5.0 7.1 10.2 6.7 6.4 2.6 2.6 3.8 2001 2.0 ****** ****** 6.5 6.6 3.8 3.9 6.2 3.2 3.6 0.9 2.8 ****** 2002 -0.9 -3.7 -1.8 4.9 5.3 6.9 8.3 ****** 0.2 1.1 3.1 -2.5 ****** 2003 -2.1 -1.6 4.2 4.6 2.3 4.9 8.4 6.4 5.0 7.6 -4.4 -2.8 2.7 MEAN -2.0 -2.1 0.7 4.0 6.4 6.5 7.2 7.3 5.4 5.0 0.9 -1.4 3.2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 27 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 MET. AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1968 3.29 3.02 ****** ****** ****** 7.17 7.68 7.79 6.66 6.98 8.01 ****** ****** 1969 ****** ****** 5.92 5.75 6.28 6.52 7.44 4.77 4.59 5.99 ****** ****** ****** 1970 4.40 4.49 4.97 5.85 5.99 6.33 7.23 7.44 5.79 5.47 4.85 4.29 5.59 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 4.17 4.06 5.30 5.65 6.47 6.50 6.79 ****** 7.14 5.65 4.72 4.11 ****** 1973 3.84 4.98 5.36 7.04 8.33 8.65 7.51 7.32 7.52 6.08 4.71 3.97 6.28 1974 3.26 3.32 3.93 7.38 8.53 6.42 7.62 7.98 7.98 7.24 5.74 3.63 6.08 1975 3.67 3.79 4.32 6.62 8.41 7.27 6.57 7.10 7.31 9.20 4.63 3.66 6.04 1976 3.98 3.63 3.31 4.60 8.01 7.23 6.30 7.28 6.80 7.90 3.59 ****** ****** 1977 3.13 3.32 3.50 4.71 6.96 8.44 8.91 9.25 8.03 8.74 4.93 5.01 6.24 1978 4.50 4.45 6.18 7.45 8.10 7.24 8.23 8.42 8.03 ****** 5.17 3.62 ****** 1979 3.71 3.94 4.35 6.53 8.34 7.53 6.57 6.71 6.56 6.71 3.59 3.29 5.65 1980 3.33 3.54 3.54 7.36 6.57 5.86 5.61 6.40 6.87 7.12 5.72 4.21 5.51 1981 3.78 4.08 ****** ****** 7.93 7.20 6.41 8.52 8.82 9.03 4.98 3.59 ****** 1982 3.72 3.17 3.25 7.74 7.57 5.90 6.87 7.14 7.51 9.12 ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1987 3.39 4.49 4.84 6.25 7.70 7.76 7.91 8.08 7.38 5.41 4.13 3.85 5.93 1988 3.40 4.30 4.84 5.78 7.01 7.72 9.10 7.85 6.50 5.16 4.37 4.03 5.84 1989 3.42 3.40 4.71 4.96 5.12 6.94 6.57 8.57 5.91 5.55 5.22 4.23 5.38 1990 4.33 3.98 4.52 5.30 6.50 6.99 9.44 7.93 5.76 5.21 4.32 3.91 5.68 1991 5.00 4.16 6.41 5.46 6.77 8.40 10.32 6.60 6.81 6.23 4.79 4.90 6.32 1992 3.62 4.43 4.84 6.27 8.05 10.51 8.54 8.53 5.38 5.07 4.57 4.37 6.18 1993 4.16 5.67 4.74 8.72 7.12 ****** 8.71 8.17 8.06 5.60 5.30 3.86 ****** 1994 4.25 4.20 5.97 6.81 9.57 9.51 11.18 13.65 11.57 8.57 7.45 4.41 8.10 1995 7.10 ****** 5.30 ****** ****** 9.84 9.96 8.97 6.41 6.93 5.51 4.51 ****** 1996 3.92 4.95 6.11 8.35 14.16 12.30 ****** ****** ****** ****** 3.47 3.52 ****** 1997 4.41 4.57 5.83 ****** ****** 8.90 9.18 7.63 5.15 6.25 5.14 4.47 ****** 1998 4.37 4.12 9.94 4.79 9.07 7.93 9.71 8.27 ****** ****** ****** ****** ****** 1999 5.09 ****** ****** ****** 5.25 6.03 7.91 8.82 9.73 8.63 8.55 6.88 ****** 2000 3.84 4.32 4.87 6.35 8.32 6.79 7.85 9.38 7.61 7.42 5.66 5.49 6.49 2001 5.48 ****** ****** 7.60 7.64 6.20 6.19 7.08 5.84 6.09 5.28 5.90 ****** 2002 4.36 3.71 4.39 7.06 6.84 7.76 8.50 ****** 5.16 5.48 6.08 4.01 ****** 2003 4.06 4.27 6.47 6.74 5.61 6.59 8.48 7.23 6.56 8.01 3.67 4.02 5.98 MEAN 4.10 4.09 5.10 6.43 7.58 7.61 7.98 7.96 7.01 6.82 5.15 4.30 6.18 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 28 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 MET. AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1968 4.48 4.12 ****** ****** ****** 9.76 10.46 10.62 9.08 9.50 10.88 ****** ****** 1969 ****** ****** 8.07 7.85 8.57 8.90 10.16 6.55 6.30 8.18 ****** ****** ****** 1970 5.98 6.11 6.78 8.00 8.22 8.70 9.93 10.21 7.94 7.48 6.62 5.84 7.65 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 5.65 5.51 7.21 7.71 8.83 8.94 9.33 ****** 9.78 7.74 6.43 5.58 ****** 1973 5.21 6.77 7.29 9.58 11.33 11.82 10.28 10.03 10.30 8.32 6.43 5.41 8.56 1974 4.44 4.52 5.34 10.02 11.61 8.80 10.45 10.92 10.91 9.87 7.82 4.94 8.30 1975 4.99 5.15 5.88 9.00 11.43 9.95 9.01 9.73 10.01 12.52 6.30 4.98 8.24 1976 5.42 4.94 4.50 6.26 10.93 9.89 8.63 9.96 9.30 10.76 4.88 ****** ****** 1977 4.25 4.52 4.77 6.42 9.49 11.52 12.15 12.60 10.95 11.87 6.71 6.82 8.51 1978 6.13 6.07 8.40 10.15 11.04 9.90 11.24 11.49 10.95 ****** 7.04 4.92 ****** 1979 5.05 5.37 5.91 8.89 11.37 10.30 9.02 9.20 8.99 9.17 4.89 4.48 7.72 1980 4.53 4.82 4.82 10.05 8.99 8.03 7.69 8.77 9.40 9.71 7.79 5.73 7.53 1981 5.15 5.55 ****** ****** 10.81 9.85 8.77 11.63 11.97 12.29 6.79 4.88 ****** 1982 5.06 4.31 4.43 10.55 10.33 8.11 9.41 9.78 10.27 12.41 ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1987 4.62 6.11 6.61 8.54 10.54 10.64 10.84 11.07 10.10 7.38 5.65 5.24 8.11 1988 4.63 5.84 6.60 7.90 9.60 10.57 12.46 10.76 8.91 7.07 5.97 5.49 7.98 1989 4.64 4.62 6.42 6.79 7.02 9.54 9.02 11.73 8.11 7.60 7.12 5.76 7.36 1990 5.88 5.42 6.16 7.25 8.91 9.60 12.91 10.87 7.91 7.13 5.91 5.33 7.77 1991 6.79 5.66 8.72 7.48 9.25 11.47 14.09 9.07 9.32 8.51 6.53 6.66 8.63 1992 4.92 6.02 6.59 8.55 10.95 14.32 11.71 11.63 7.37 6.94 6.24 5.95 8.43 1993 5.65 7.71 6.45 11.85 9.75 ****** 11.91 11.17 11.00 7.65 7.23 5.26 ****** 1994 5.78 5.72 8.13 9.30 13.04 12.99 15.24 18.51 15.71 11.67 10.14 6.00 11.02 1995 9.64 ****** 7.22 ****** ****** 13.42 13.62 12.27 8.78 9.44 7.52 6.13 ****** 1996 5.32 6.73 8.30 11.36 19.14 16.74 ****** ****** ****** ****** 4.73 4.80 ****** 1997 5.99 6.21 7.92 ****** ****** 12.17 12.58 10.46 7.08 8.55 7.01 6.09 ****** 1998 5.95 5.61 13.45 6.56 12.36 10.86 13.27 11.32 ****** ****** ****** ****** ****** 1999 6.90 ****** ****** ****** 7.20 8.28 10.83 12.04 13.27 11.75 11.59 9.32 ****** 2000 5.23 5.89 6.64 8.67 11.34 9.32 10.75 12.83 10.42 10.12 7.71 7.46 8.86 2001 7.44 ****** ****** 10.37 10.44 8.52 8.51 9.71 8.02 8.32 7.20 8.02 ****** 2002 5.93 5.06 6.00 9.62 9.37 10.62 11.63 ****** 7.08 7.49 8.27 5.45 ****** 2003 5.53 5.82 8.83 9.20 7.68 9.05 11.62 9.92 8.99 10.93 5.01 5.46 8.17 MEAN 5.57 5.56 6.94 8.77 10.34 10.42 10.92 10.89 9.59 9.30 7.01 5.85 8.43 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 29 STATION BAYAZEH-BIYABANAK LATITUDE 33 20 N DATA PROCESSING CENTER LONGITUDE 55 20 E ELEVATION 1450 MET. AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1968 6.11 7.24 ****** ****** ****** 26.66 22.67 23.78 22.68 13.53 8.23 ****** ****** 1969 ****** ****** 13.09 18.97 26.84 27.50 39.88 34.99 30.38 18.97 ****** ****** ****** 1970 4.43 8.44 11.20 21.94 34.19 44.77 45.25 47.39 30.84 19.61 13.29 6.07 23.95 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 2.21 2.81 7.35 18.61 22.25 42.86 44.31 ****** 35.10 25.24 10.78 3.32 ****** 1973 4.38 6.58 9.85 14.55 20.98 33.56 39.28 38.56 36.10 21.91 11.00 8.39 20.43 1974 5.88 5.23 5.77 8.57 16.46 37.46 42.80 38.73 29.39 16.40 10.01 6.18 18.57 1975 5.27 4.73 6.75 8.07 8.97 34.33 41.86 37.20 36.67 18.22 7.73 6.52 18.03 1976 5.67 5.61 4.96 7.74 22.83 35.82 40.70 30.57 32.41 15.27 7.44 ****** ****** 1977 5.03 6.27 7.07 11.01 16.20 24.76 24.87 23.00 19.84 11.66 7.10 6.22 13.58 1978 6.43 8.06 7.62 17.60 22.15 32.19 31.70 27.70 24.38 ****** 8.51 6.44 ****** 1979 6.25 6.54 6.17 11.71 20.86 32.68 43.51 39.87 31.26 27.62 7.43 6.57 20.04 1980 5.80 6.09 8.30 20.83 32.51 39.17 38.05 39.02 29.60 17.09 10.02 6.44 21.08 1981 6.72 8.07 ****** ****** 23.48 36.50 40.59 27.06 30.51 19.25 8.69 6.47 ****** 1982 5.84 6.95 5.08 19.49 23.34 46.37 39.64 37.02 34.05 18.68 ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1984 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1985 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1986 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1987 7.29 7.94 11.67 20.58 30.93 38.69 40.92 39.71 29.26 15.00 12.89 7.31 21.85 1988 5.98 6.25 11.57 19.05 30.46 41.81 43.31 39.45 33.65 21.11 13.87 8.64 22.93 1989 3.80 4.55 11.08 20.98 29.61 45.60 48.82 38.78 33.52 23.36 11.29 8.13 23.29 1990 6.11 5.78 11.41 19.45 33.06 45.29 40.52 43.85 37.39 21.61 14.53 7.84 23.90 1991 3.34 5.34 7.37 21.30 25.03 34.85 39.64 41.92 31.25 17.77 11.86 6.04 20.48 1992 4.18 6.36 7.10 16.33 14.37 32.66 45.45 33.80 30.66 20.99 13.26 6.75 19.33 1993 4.06 5.12 9.27 15.83 33.09 ****** 41.01 36.05 29.45 17.36 13.12 7.48 ****** 1994 6.49 7.57 11.59 19.99 26.87 35.10 39.84 37.50 21.43 17.32 13.00 6.35 20.25 1995 5.55 ****** 9.38 ****** ****** 33.84 46.63 44.16 30.76 17.67 12.08 4.11 ****** 1996 3.60 6.25 7.22 17.13 19.71 38.57 ****** ****** ****** ****** 9.39 7.59 ****** 1997 4.82 6.20 8.20 ****** ****** 40.67 50.84 45.09 37.22 24.26 10.32 6.99 ****** 1998 5.09 7.04 5.96 25.11 27.31 41.27 45.40 42.96 ****** ****** ****** ****** ****** 1999 3.58 ****** ****** ****** 33.34 45.65 41.40 39.40 33.14 22.11 5.40 4.95 ****** 2000 7.21 8.91 12.25 28.60 37.77 44.98 44.37 43.23 36.86 20.31 9.31 5.36 24.93 2001 5.48 ****** ****** 25.88 36.89 45.36 51.05 44.64 36.42 22.92 12.97 7.17 ****** 2002 6.25 10.16 17.43 19.58 34.23 41.94 44.41 ****** 41.22 26.68 10.40 5.47 ****** 2003 7.46 8.44 19.95 19.48 26.61 43.77 55.95 43.12 32.39 23.53 12.74 6.41