IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 1 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. AVERAGE OF MEAN DAILY TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MAX-MIN 1996 -5.3 2.4 5.0 9.0 14.1 19.3 24.5 24.0 19.8 12.7 6.1 4.3 29.8 1997 0.8 -3.0 2.7 9.9 15.1 22.2 24.9 24.6 18.3 13.8 7.6 2.3 27.9 1998 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1999 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 2000 ****** ****** ****** 11.9 17.3 21.3 25.0 23.1 18.7 11.5 6.0 -0.5 ****** MEAN -2.3 -0.3 3.8 10.3 15.5 20.9 24.8 23.9 18.9 12.7 6.6 2.0 27.1 SD 4.35 3.82 1.62 1.50 1.66 1.48 0.30 0.74 0.75 1.13 0.88 2.41 1.72 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 2 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. AVERAGE OF MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1996 -10.0 -2.1 -0.4 2.7 5.0 8.2 16.2 14.3 9.3 4.1 -1.0 -1.4 3.7 1997 -5.6 -8.0 -2.3 3.7 6.7 13.3 15.8 15.2 8.2 5.4 2.3 -2.6 4.3 1998 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1999 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 2000 ****** ****** ****** 4.4 5.7 9.7 15.5 12.3 8.3 3.3 -1.2 -5.0 ****** MEAN -7.8 -5.0 -1.3 3.6 5.8 10.4 15.8 13.9 8.6 4.3 0.0 -3.0 3.8 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 3 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. AVERAGE OF MAXIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1996 -0.7 7.1 10.4 15.2 23.2 30.4 32.8 33.7 30.2 21.3 13.2 10.0 18.9 1997 7.3 5.2 7.6 16.1 23.5 31.0 34.1 34.5 28.4 22.3 12.8 7.1 19.1 1998 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1999 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 2000 ****** ****** ****** 19.4 28.9 32.8 34.6 34.0 29.1 19.8 13.2 4.0 ****** MEAN 3.3 6.1 9.0 16.9 25.2 31.4 33.8 34.0 29.2 21.1 13.1 7.1 19.2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 4 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1996 9.3 9.2 10.8 12.5 18.2 22.2 16.6 19.4 20.9 17.2 14.2 11.4 15.2 1997 12.9 13.2 9.9 12.4 16.8 17.7 18.3 19.3 20.2 16.9 10.5 9.7 14.8 1998 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1999 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 2000 ****** ****** ****** 15.0 23.2 23.1 19.1 21.7 20.8 16.5 14.4 9.0 ****** MEAN 11.1 11.2 10.3 13.3 19.4 21.0 18.0 20.1 20.6 16.9 13.0 10.0 15.4 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 5 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1996 2.03 3.12 3.93 4.88 6.42 5.38 6.40 5.06 3.98 3.20 3.28 3.21 4.24 1997 2.63 2.14 3.44 4.51 5.33 8.88 9.49 6.96 6.89 5.69 5.33 3.81 5.42 1998 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1999 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 2000 ****** ****** ****** 5.31 4.96 5.41 8.01 7.35 6.20 5.18 3.83 3.17 ****** MEAN 2.33 2.64 3.69 4.90 5.57 6.56 7.97 6.46 5.70 4.70 4.15 3.40 4.83 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 6 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1996 2.62 3.79 4.35 5.54 7.97 7.40 8.08 8.88 7.64 5.21 3.82 4.28 5.80 1997 3.69 3.62 4.47 6.57 6.48 8.88 13.76 9.97 8.30 7.69 6.76 5.09 7.11 1998 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1999 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 2000 ****** ****** ****** 7.17 7.74 10.30 11.73 8.50 7.67 6.29 5.60 4.46 ****** MEAN 3.16 3.71 4.42 6.43 7.41 8.86 11.20 9.12 7.87 6.40 5.40 4.62 6.54 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 7 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. MONTHLY MEAN OF MIXING RATIO AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1996 2.31 3.77 4.49 5.56 7.56 6.90 8.58 8.49 7.39 3.72 3.36 3.43 5.46 1997 3.17 3.24 3.76 5.61 6.23 8.01 10.09 9.46 8.16 7.76 6.01 4.79 6.36 1998 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1999 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 2000 ****** ****** ****** 5.93 6.98 9.48 10.48 7.68 6.32 6.56 5.61 4.28 ****** MEAN 2.74 3.51 4.13 5.71 6.93 8.13 9.72 8.55 7.30 6.02 5.00 4.17 5.99 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 8 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 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 1996 -21.5 25 -9.0 29 -7.5 17 -1.0 5 2.5 12 4.0 13 10.5 15 9.5 26 5.0 21 -3.0 28 -9.0 13 -8.0 1 -21.5 1997 -18.0 29 -15.0 6 -18.0 8 -3.0 2 1.0 6 6.0 4 14.0 7 13.0 9 3.5 15 2.0 11 -4.0 28 -10.0 22 -18.0 1998 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1999 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 2000 ***** ** ***** ** ***** ** 1.0 2 2.5 12 5.0 1 10.0 26 8.0 12 2.5 28 0.5 30 -5.0 28 -14.5 20 ***** LOW. -21.5 25 -15.0 6 -18.0 8 -3.0 2 1.0 6 4.0 13 10.0 26 8.0 12 2.5 28 -3.0 28 -9.0 13 -14.5 20 -21.5 YEAR 1996 1997 1997 1997 1997 1996 2000 2000 2000 1996 1996 2000 1996 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 9 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 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 1996 12.4 1 15.8 9 20.0 30 21.8 12 30.2 30 34.0 4 34.8 3 36.4 12 33.8 10 26.8 1 18.8 3 15.0 5 36.4 1997 12.8 1 11.8 16 12.0 1 23.2 27 30.0 27 34.0 28 37.0 13 38.2 7 32.8 1 27.4 7 19.0 1 12.0 7 38.2 1998 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1999 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 2000 ***** ** ***** ** ***** ** 24.5 21 31.5 27 35.5 28 37.0 16 36.0 17 31.5 9 24.5 1 19.0 4 12.0 1 ***** HIG. 12.8 1 15.8 9 20.0 30 24.5 21 31.5 27 35.5 28 37.0 13 38.2 7 33.8 10 27.4 7 19.0 1 15.0 5 38.2 YEAR 1997 1996 1996 2000 2000 2000 1997 1997 1996 1997 1997 1996 1997 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 10 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 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 1996 10.0 6 12.0 19 28.0 2 14.0 13 16.0 5 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.0 12 0.0 ** 5.0 11 28.0 1997 10.0 16 12.0 19 28.0 13 6.0 28 11.0 5 0.0 ** 0.0 ** 0.0 ** 0.0 ** 2.0 20 6.0 12 5.0 4 28.0 1998 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 1999 ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** ** ***** 2000 ***** ** ***** ** ***** ** 6.0 9 2.5 8 0.0 ** 0.0 ** 0.0 ** 0.5 30 33.0 17 17.0 30 36.0 1 ***** HIG. 10.0 6 12.0 19 28.0 2 14.0 13 16.0 5 0.0 ** 0.0 ** 0.0 ** 0.5 30 33.0 17 17.0 30 36.0 1 36.0 YEAR 1996 1996 1996 1996 1996 **** **** **** 2000 2000 2000 2000 2000 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 11 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. MONTHLY TOTAL PRECIPITATION WITH SEASONAL PERCENT. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL SEASONAL-PERCENT ----------------------- 1996 27.7 51.0 93.5 54.5 65.0 0.0 0.0 0.0 0.0 3.0 0.0 8.0 302.7 56.9 39.5 0.0 3.6 1997 12.5 20.0 56.5 10.5 22.0 0.0 0.0 0.0 0.0 2.0 22.0 15.0 160.5 55.5 20.2 0.0 24.3 1998 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 1999 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ***** ***** ***** ***** 2000 ****** ****** ****** 9.0 2.5 0.0 0.0 0.0 0.5 45.0 39.0 123.5 ****** ***** 5.2 0.2 94.5 MEAN 20.1 35.5 75.0 24.7 29.8 0.0 0.0 0.0 0.2 16.7 20.3 48.8 271.1 48.2 20.1 0.0 31.6 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 12 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1996 9 8 9 10 8 0 0 0 0 2 0 3 49 1997 2 3 7 3 6 0 0 0 0 1 6 4 32 1998 *** *** *** *** *** *** *** *** *** *** *** *** *** 1999 *** *** *** *** *** *** *** *** *** *** *** *** *** 2000 *** *** *** 2 1 0 0 0 1 3 6 8 *** MEAN 6 6 8 5 5 0 0 0 0 2 4 5 41 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 13 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 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 1996 7 8 9 10 8 0 0 0 0 2 0 3 47 1997 2 3 7 3 6 0 0 0 0 1 6 4 32 1998 *** *** *** *** *** *** *** *** *** *** *** *** *** 1999 *** *** *** *** *** *** *** *** *** *** *** *** *** 2000 *** *** *** 2 1 0 0 0 0 3 6 8 *** MEAN 5 6 8 5 5 0 0 0 0 2 4 5 40 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 14 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 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 1996 1 1 4 1 3 0 0 0 0 0 0 0 10 1997 1 1 1 0 1 0 0 0 0 0 0 0 4 1998 *** *** *** *** *** *** *** *** *** *** *** *** *** 1999 *** *** *** *** *** *** *** *** *** *** *** *** *** 2000 *** *** *** 0 0 0 0 0 0 2 1 6 *** MEAN 1 1 3 0 1 0 0 0 0 1 0 2 9 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 15 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 03 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1996 68 70 75 75 71 46 37 33 37 43 63 66 57 1997 75 70 73 66 61 58 58 42 64 72 87 86 68 1998 *** *** *** *** *** *** *** *** *** *** *** *** *** 1999 *** *** *** *** *** *** *** *** *** *** *** *** *** 2000 *** *** *** 71 58 51 52 53 55 72 78 81 *** MEAN 72 70 74 71 63 52 49 43 52 62 76 78 64 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 16 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 09 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1996 65 62 63 49 44 25 25 26 27 30 37 51 42 1997 55 55 63 52 35 31 37 28 32 45 65 74 48 1998 *** *** *** *** *** *** *** *** *** *** *** *** *** 1999 *** *** *** *** *** *** *** *** *** *** *** *** *** 2000 *** *** *** 57 31 31 33 25 28 46 60 79 *** MEAN 60 59 63 53 37 29 32 26 29 40 54 68 46 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 17 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. MONTHLY MEAN OF RELATIVE HUMIDITY AT HOUR 15 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1996 61 64 70 56 47 27 28 26 27 28 41 47 44 1997 51 60 62 50 40 29 33 28 36 54 64 73 48 1998 *** *** *** *** *** *** *** *** *** *** *** *** *** 1999 *** *** *** *** *** *** *** *** *** *** *** *** *** 2000 *** *** *** 53 33 35 34 25 28 53 66 82 *** MEAN 56 62 66 53 40 30 32 26 30 45 57 67 47 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 18 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 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 1996 23 10 6 0 0 0 0 0 0 0 5 8 52 1997 21 19 6 0 0 0 0 0 0 0 1 11 58 1998 *** *** *** *** *** *** *** *** *** *** *** *** *** 1999 *** *** *** *** *** *** *** *** *** *** *** *** *** 2000 *** *** *** 0 0 0 0 0 0 0 3 14 *** MEAN 22 15 6 0 0 0 0 0 0 0 3 11 57 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 19 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 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 1996 0 0 0 0 0 0 3 0 0 0 0 0 3 1997 0 0 0 0 0 2 1 0 0 0 0 0 3 1998 *** *** *** *** *** *** *** *** *** *** *** *** *** 1999 *** *** *** *** *** *** *** *** *** *** *** *** *** 2000 *** *** *** 0 0 0 0 0 0 0 0 0 *** MEAN 0 0 0 0 0 1 1 0 0 0 0 0 2 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 20 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 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 1996 19 1 0 0 0 0 0 0 0 0 0 0 20 1997 1 3 1 0 0 0 0 0 0 0 0 0 5 1998 *** *** *** *** *** *** *** *** *** *** *** *** *** 1999 *** *** *** *** *** *** *** *** *** *** *** *** *** 2000 *** *** *** 0 0 0 0 0 0 0 0 5 *** MEAN 10 2 1 0 0 0 0 0 0 0 0 2 15 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 21 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 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 1996 0 0 0 0 2 22 30 29 22 0 0 0 105 1997 0 0 0 0 3 24 31 29 7 0 0 0 94 1998 *** *** *** *** *** *** *** *** *** *** *** *** *** 1999 *** *** *** *** *** *** *** *** *** *** *** *** *** 2000 *** *** *** 0 13 28 31 31 20 0 0 0 *** MEAN 0 0 0 0 6 25 31 30 16 0 0 0 108 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 22 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 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 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1999 *** *** *** *** *** *** *** *** *** *** *** *** *** 2000 *** *** *** 0 0 0 0 0 0 0 0 0 *** MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 23 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 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 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 *** *** *** *** *** *** *** *** *** *** *** *** *** 1999 *** *** *** *** *** *** *** *** *** *** *** *** *** 2000 *** *** *** 0 0 0 0 0 0 0 0 0 *** MEAN 0 0 0 0 0 0 0 0 0 0 0 0 0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 24 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 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 -------------- 1996 27 23 15 7 0 0 0 0 0 4 23 20 119 10 18 4 27 1997 29 26 23 5 0 0 0 0 0 0 10 26 119 11 14 4 13 1998 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 1999 *** *** *** *** *** *** *** *** *** *** *** *** *** ** ** ** ** 2000 *** *** *** 0 0 0 0 0 0 0 20 28 *** 11 7 12 31 MEAN 28 25 19 4 0 0 0 0 0 1 18 25 120 10 18 4 27 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 25 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1996 -4.6 2.4 4.2 10.0 16.8 22.9 26.8 26.8 22.6 14.4 7.4 5.3 12.9 1997 1.8 -0.0 3.3 10.9 16.5 24.5 27.1 27.5 21.0 14.8 8.6 3.3 13.3 1998 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1999 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 2000 ****** ****** ****** 12.1 19.3 23.6 26.6 25.9 21.8 12.9 6.8 0.1 ****** MEAN -1.4 1.2 3.8 11.0 17.5 23.7 26.8 26.7 21.8 14.1 7.6 2.9 13.0 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 26 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1996 -10.4 -3.7 -1.3 1.5 6.3 4.6 7.1 6.4 3.7 -2.2 -4.0 -3.8 0.4 1997 -5.6 -6.8 -2.8 2.2 3.5 8.7 12.5 8.9 7.1 5.7 3.4 -0.5 3.0 1998 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1999 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 2000 ****** ****** ****** 3.7 4.5 8.1 11.1 7.6 5.2 3.5 0.9 -2.9 ****** MEAN -8.0 -5.3 -2.0 2.5 4.8 7.1 10.2 7.6 5.3 2.4 0.1 -2.4 1.9 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 27 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1996 2.32 3.56 4.26 5.33 7.32 6.56 7.69 7.48 6.34 4.04 3.48 3.64 5.17 1997 3.16 3.00 3.89 5.56 6.01 8.59 11.12 8.79 7.78 7.05 6.03 4.56 6.30 1998 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1999 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 2000 ****** ****** ****** 6.14 6.56 8.40 10.08 7.85 6.73 6.01 5.01 3.97 ****** MEAN 2.74 3.28 4.07 5.68 6.63 7.85 9.63 8.04 6.95 5.70 4.84 4.06 5.79 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 28 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1996 3.10 4.76 5.69 7.14 9.81 8.84 10.36 10.09 8.54 5.44 4.68 4.87 6.94 1997 4.23 4.01 5.20 7.46 8.08 11.55 14.90 11.84 10.46 9.45 8.07 6.10 8.45 1998 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1999 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 2000 ****** ****** ****** 8.22 8.83 11.29 13.54 10.57 9.06 8.06 6.71 5.30 ****** MEAN 3.66 4.39 5.45 7.61 8.91 10.56 12.93 10.84 9.35 7.65 6.48 5.42 7.77 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 29 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1996 1.87 2.74 2.77 5.73 10.54 21.36 26.40 27.42 21.25 12.14 6.20 4.37 11.90 1997 3.20 2.68 2.92 6.39 12.00 20.53 22.76 26.88 16.16 8.43 3.46 1.94 10.61 1998 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1999 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 2000 ****** ****** ****** 6.51 15.75 20.86 23.28 25.05 18.84 7.70 3.62 1.21 ****** MEAN 2.54 2.71 2.85 6.21 12.77 20.92 24.15 26.45 18.75 9.42 4.43 2.51 11.14 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 30 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. AVERAGE OF RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1996 65 65 69 60 54 33 30 28 30 34 47 55 48 1997 61 62 66 56 46 39 43 33 44 57 72 77 55 1998 *** *** *** *** *** *** *** *** *** *** *** *** *** 1999 *** *** *** *** *** *** *** *** *** *** *** *** *** 2000 *** *** *** 60 41 39 40 34 37 57 68 81 *** MEAN 63 64 68 59 47 37 38 32 37 49 62 71 52 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 31 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. AVERAGE OF MAXIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1996 71 72 79 77 72 48 38 34 37 45 64 67 59 1997 77 73 76 67 62 58 59 42 64 74 89 88 69 1998 *** *** *** *** *** *** *** *** *** *** *** *** *** 1999 *** *** *** *** *** *** *** *** *** *** *** *** *** 2000 *** *** *** 72 58 51 52 53 56 73 80 86 *** MEAN 74 73 78 72 64 52 50 43 52 64 78 80 65 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 32 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. AVERAGE OF MINIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1996 59 59 58 46 40 22 24 24 25 26 34 44 38 1997 48 53 58 49 33 28 31 26 29 43 58 68 44 1998 *** *** *** *** *** *** *** *** *** *** *** *** *** 1999 *** *** *** *** *** *** *** *** *** *** *** *** *** 2000 *** *** *** 48 28 30 31 23 25 44 57 75 *** MEAN 54 56 58 48 34 27 29 24 26 38 50 62 42 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 33 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. NO. OF DAYS PRECIPITATION EQUAL OR MORE THAN 5 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1996 2 6 6 4 7 0 0 0 0 0 0 1 26 1997 1 1 3 1 1 0 0 0 0 0 2 2 11 1998 *** *** *** *** *** *** *** *** *** *** *** *** *** 1999 *** *** *** *** *** *** *** *** *** *** *** *** *** 2000 *** *** *** 1 0 0 0 0 0 2 4 7 *** MEAN 2 4 5 2 3 0 0 0 0 1 2 3 22 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 34 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. HIGHEST AND LOWEST LIMITS FOR 5 YEARS DURING 1996-2000 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. HIG. DRY 03 4.8 5.6 8.2 10.4 15.2 25.2 26.8 23.2 18.4 12.8 10.8 5.2 1 YEAR - DAY 1997- 9 1996-10 1996-29 2000-17 1996-24 1997-28 1996- 3 1996- 2 1997- 2 1996- 3 1997- 1 1997- 4 LOW. DRY 03 -21.0 -14.8 -13.8 -3.0 3.0 8.8 14.4 12.0 8.6 1.2 -6.8 -13.6 2 YEAR - DAY 1996-25 1997- 8 1997- 8 1997- 2 1997- 6 1996- 6 2000-26 1996-26 1997-15 1996-28 1996-13 2000-19 HIG. WET 03 4.4 4.2 6.2 8.8 11.8 18.2 17.4 16.2 12.8 9.2 10.4 4.8 3 YEAR - DAY 1997-16 1996-10 1996-29 2000-20 1996-24 1997-27 1997- 5 1997-24 1997- 1 1997-10 1997- 1 1997- 4 LOW. WET 03 -21.2 -15.4 -14.0 -3.8 1.0 4.2 7.4 5.2 3.8 -1.8 -8.8 -14.2 4 YEAR - DAY 1996-25 1997- 8 1997- 8 1997- 2 1997- 6 1996-21 1996-27 1996-24 1996-17 1996-28 1996-13 2000-19 HIG. DRY 09 10.6 13.2 15.6 21.8 29.8 33.6 35.8 36.0 31.0 24.8 18.8 13.8 5 YEAR - DAY 1997- 8 1996- 9 1996-30 2000-29 2000-26 1996- 4 1997-13 1997- 5 1997- 2 1996- 1 1997- 1 1996- 5 LOW. DRY 09 -13.6 -5.0 -5.8 1.8 8.6 22.0 26.6 25.2 20.4 10.2 5.8 -11.8 6 YEAR - DAY 1996-25 1997- 7 1997- 8 1996- 5 1997- 5 1997-26 1996-12 1997-29 2000-28 1997-23 1996-12 2000-18 HIG. WET 09 6.6 9.4 9.0 16.2 19.8 22.0 25.0 22.4 20.8 17.8 17.8 9.0 7 YEAR - DAY 1997-26 1997-19 1996-30 1997-29 1997-30 1996-28 1997-11 1997- 7 1996- 3 1996-26 1997- 1 2000- 1 LOW. WET 09 -14.0 -7.0 -7.0 0.8 4.6 11.2 13.6 15.4 11.0 5.6 1.6 -13.0 8 YEAR - DAY 1996-25 1997- 6 1997- 8 1996- 5 1997- 5 1997- 3 1996-18 1996-28 1996-20 1996-28 1996-12 2000-18 HIG. DRY 15 11.0 10.8 14.2 23.0 28.8 31.8 32.6 34.4 31.8 23.4 16.6 9.8 9 YEAR - DAY 1996- 2 1996-25 1996-30 1997-27 1996-31 1996-30 1996- 2 1997- 5 1996- 3 1996- 1 1997- 1 1997- 8 LOW. DRY 15 -14.6 -5.2 -7.2 2.0 9.2 18.0 22.4 23.0 17.6 8.8 3.2 -9.4 10 YEAR - DAY 1996-21 1997- 6 1997- 8 1996- 5 1997- 5 1996-26 1996-12 1997-29 2000-30 1996-28 1996-12 2000-18 HIG. WET 15 5.2 6.8 11.2 16.8 19.0 20.0 23.0 22.4 25.0 17.4 14.6 7.8 11 YEAR - DAY 1997- 1 1996- 9 1996-30 1997-26 1996-28 1997-27 1997-13 1997- 4 1997- 2 1997- 5 1997- 1 2000- 1 LOW. WET 15 -15.2 -7.4 -9.0 0.8 6.0 12.2 14.4 12.2 10.4 2.8 0.6 -10.0 12 YEAR - DAY 1996-21 1997- 6 1997- 8 1996- 3 1996-21 1996-19 1996-12 2000- 4 2000-24 1996-28 1996-19 2000-18 HIG. MIN. 2.0 5.5 4.5 8.5 12.0 22.0 25.0 19.5 14.0 10.0 9.0 4.0 13 YEAR - DAY 1996- 5 1996-10 1997-24 1996-12 1997-28 1997-28 1996- 3 1996- 2 1996- 8 1997-31 1997- 1 1996-13 LOW. MIN. -21.5 -15.0 -18.0 -3.0 1.0 4.0 10.0 8.0 2.5 -3.0 -9.0 -14.5 14 YEAR - DAY 1996-25 1997- 6 1997- 8 1997- 2 1997- 6 1996-13 2000-26 2000-12 2000-28 1996-28 1996-13 2000-20 HIG. MAX. 12.8 15.8 20.0 24.5 31.5 35.5 37.0 38.2 33.8 27.4 19.0 15.0 15 YEAR - DAY 1997- 1 1996- 9 1996-30 2000-21 2000-27 2000-28 1997-13 1997- 7 1996-10 1997- 7 1997- 1 1996- 5 LOW. MAX. -10.8 -2.8 -4.6 5.2 13.0 26.0 26.8 28.8 22.5 12.5 6.8 -8.0 16 YEAR - DAY 1996-27 1997- 6 1997- 8 1996- 5 1997- 5 1997- 4 1996-12 1996-31 2000-28 2000-16 1996-15 2000-18 HIG. PPTN 10.0 12.0 28.0 14.0 16.0 0.0 0.0 0.0 0.5 33.0 17.0 36.0 17 YEAR - DAY 1996- 6 1996-19 1996- 2 1996-13 1996- 5 999-** 999-** 999-** 2000-30 2000-17 2000-30 2000- 1 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) FORM 35 STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. HIGHEST LIMITS OF ABSOLUTE DIFFERENCES FOR 5 YEARS DURING 1996-2000 ELE- JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. MENT --------------------------------------------------------------------------------------------- NO. DRY 09 - DRY 03 15.6 18.6 14.0 15.8 21.0 21.8 18.0 19.0 20.6 19.0 16.4 18.0 18 YEAR - DAY 1997-30 1997-18 1997-27 1997- 2 2000-26 2000-14 2000-26 1996-29 1997- 4 1997-17 1996- 1 1996- 1 DRY 15 - DRY 09 7.8 11.8 10.8 9.4 7.8 8.8 7.4 5.2 6.6 6.0 7.4 5.0 19 YEAR - DAY 1997-30 1997-18 1997- 7 1996- 1 1996-21 1996-25 1997-24 1996- 8 1997-16 1996- 3 1996- 6 1996- 5 DRY 15 - DRY 03 13.8 16.6 13.6 15.2 20.2 20.4 15.8 19.8 20.0 15.6 13.0 14.6 20 YEAR - DAY 1997-12 1997- 8 1997- 1 1997- 2 2000-21 1996-21 2000-26 1996-26 1996-10 1997-17 1996-30 1996- 1 WET 09 - WET 03 12.8 14.4 12.2 12.6 14.2 13.6 14.0 13.4 13.6 14.2 13.6 13.0 21 YEAR - DAY 1997-26 1997- 3 1997-27 1997- 2 2000-27 2000- 2 1997-23 1996-10 1996-10 1996-26 1996-13 1996- 1 WET 15 - WET 09 7.0 9.2 6.6 8.0 7.0 7.6 8.2 6.0 7.6 9.0 4.8 4.2 22 YEAR - DAY 1997-28 1997-18 1997- 7 1996- 1 1996-21 1996-28 1997-10 2000- 4 1997- 2 1996-26 1997-28 1996-27 WET 15 - WET 03 9.8 15.7 11.2 11.8 13.8 13.6 11.0 12.8 13.0 12.2 11.0 11.6 23 YEAR - DAY 1997-14 1997- 8 1996-24 1997-26 2000-21 1996-21 1996-27 1996- 4 1996-10 1997-11 2000-29 1996- 1 DAY BY DAY DRY 03 11.4 11.8 17.0 9.4 9.0 7.0 6.6 8.4 7.0 10.0 8.8 11.6 24 YEAR - DAY 1996-29 1997-19 1997- 8 1997- 4 1996-24 1997-26 1997- 6 1996- 4 1997- 7 1996-28 1996-29 2000-13 DAY BY DAY WET 03 10.8 11.8 14.4 9.4 7.6 7.4 5.6 6.4 6.0 6.0 8.4 11.8 25 YEAR - DAY 1997-29 1997-19 1997- 8 1997- 4 1996-24 1997-27 2000- 3 1996- 4 1997- 7 1996-28 2000-30 2000-13 DAY BY DAY DRY 09 11.4 10.0 13.8 10.0 10.2 7.6 5.6 5.0 6.0 7.6 8.6 14.2 26 YEAR - DAY 1996-29 1996- 8 1997- 8 1996-30 1997- 5 1997-28 1996-12 1996-30 2000-28 1997-23 1997- 2 2000-18 DAY BY DAY WET 09 9.6 8.4 10.0 10.0 8.2 6.0 6.2 4.6 5.4 8.2 8.6 14.4 27 YEAR - DAY 1996-29 1997- 6 1997- 8 1996-30 1997- 5 1996-28 1996-19 1997- 8 1996-20 1996-27 1997- 2 2000-18 DAY BY DAY DRY 15 12.8 9.8 8.8 8.4 8.6 9.0 5.6 6.0 6.0 8.0 8.8 11.2 28 YEAR - DAY 1996-29 1997- 6 1997- 7 1996- 3 2000-11 1997- 1 1996- 2 1996- 9 1997-18 2000-14 1997- 2 2000-18 DAY BY DAY WET 15 11.2 10.4 6.6 9.4 8.4 5.0 6.0 6.0 10.8 6.4 7.8 10.8 29 YEAR - DAY 1996-29 1997-19 1997-30 1996-25 1996-22 2000-21 1997-14 2000- 4 1997- 2 1997- 5 1997- 2 2000-18 DAY BY DAY MIN. 13.0 12.0 15.5 8.5 5.0 11.0 6.5 5.5 9.0 11.0 7.5 12.0 30 YEAR - DAY 1997-29 1997- 6 1997- 8 1996-12 1997-28 1996-17 1996- 3 1996-24 1996-22 1996-28 1996-16 2000-13 DAY BY DAY MAX. 12.8 8.0 12.8 8.0 7.0 5.2 6.8 4.2 5.0 7.0 6.2 11.5 31 YEAR - DAY 1996-29 1996-27 1997- 8 1997-23 1996-21 1996-26 1996-12 1997- 8 1997-30 1996-27 1996-21 2000-18 IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. MEAN AND EXTREMES FOR THE YEAR 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. -5.3 2.4 5.0 9.0 14.1 19.3 24.5 24.0 19.8 12.7 6.1 4.3 11.3 AVERAGE OF MINIMUM TEMPERATURE IN C. -10.0 -2.1 -0.4 2.7 5.0 8.2 16.2 14.3 9.3 4.1 -1.0 -1.4 3.7 AVERAGE OF MAXIMUM TEMPERATURE IN C. -0.7 7.1 10.4 15.2 23.2 30.4 32.8 33.7 30.2 21.3 13.2 10.0 18.9 DIFFERENCE BETWEEN AVERAGE MAXIMUM 9.3 9.2 10.8 12.5 18.2 22.2 16.6 19.4 20.9 17.2 14.2 11.4 15.2 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.03 3.12 3.93 4.88 6.42 5.38 6.40 5.06 3.98 3.20 3.28 3.21 4.24 MEAN OF MIXING RATIO AT 09 GMT. 2.62 3.79 4.35 5.54 7.97 7.40 8.08 8.88 7.64 5.21 3.82 4.28 5.80 MEAN OF MIXING RATIO AT 15 GMT. 2.31 3.77 4.49 5.56 7.56 6.90 8.58 8.49 7.39 3.72 3.36 3.43 5.46 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -21.5 -9.0 -7.5 -1.0 2.5 4.0 10.5 9.5 5.0 -3.0 -9.0 -8.0 -21.5 DAY 25 29 17 5 12 13 15 26 21 28 13 1 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.4 15.8 20.0 21.8 30.2 34.0 34.8 36.4 33.8 26.8 18.8 15.0 36.4 DAY 1 9 30 12 30 4 3 12 10 1 3 5 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.0 12.0 28.0 14.0 16.0 0.0 0.0 0.0 0.0 2.0 0.0 5.0 28.0 DAY 6 19 2 13 5 ** ** ** ** 12 ** 11 MONTHLY TOTAL PRECIPITATION IN MM. 27.7 51.0 93.5 54.5 65.0 0.0 0.0 0.0 0.0 3.0 0.0 8.0 302.7 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 56.9 39.5 0.0 3.6 NO. OF DAYS WITH PRECIPITATION. 9 8 9 10 8 0 0 0 0 2 0 3 49 NO. OF DAYS PRECIPITATION EQUAL 7 8 9 10 8 0 0 0 0 2 0 3 47 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 4 1 3 0 0 0 0 0 0 0 10 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 68 70 75 75 71 46 37 33 37 43 63 66 57 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 65 62 63 49 44 25 25 26 27 30 37 51 42 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 61 64 70 56 47 27 28 26 27 28 41 47 44 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 23 10 6 0 0 0 0 0 0 0 5 8 52 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 3 0 0 0 0 0 3 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 19 1 0 0 0 0 0 0 0 0 0 0 20 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 2 22 30 29 22 0 0 0 105 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 27 23 15 7 0 0 0 0 0 4 23 20 119 DATE OF START AND END FREEZING START = 18 OCT. END = 27 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. MEAN AND EXTREMES FOR THE YEAR 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C. 0.8 -3.0 2.7 9.9 15.1 22.2 24.9 24.6 18.3 13.8 7.6 2.3 11.6 AVERAGE OF MINIMUM TEMPERATURE IN C. -5.6 -8.0 -2.3 3.7 6.7 13.3 15.8 15.2 8.2 5.4 2.3 -2.6 4.3 AVERAGE OF MAXIMUM TEMPERATURE IN C. 7.3 5.2 7.6 16.1 23.5 31.0 34.1 34.5 28.4 22.3 12.8 7.1 19.1 DIFFERENCE BETWEEN AVERAGE MAXIMUM 12.9 13.2 9.9 12.4 16.8 17.7 18.3 19.3 20.2 16.9 10.5 9.7 14.8 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.63 2.14 3.44 4.51 5.33 8.88 9.49 6.96 6.89 5.69 5.33 3.81 5.42 MEAN OF MIXING RATIO AT 09 GMT. 3.69 3.62 4.47 6.57 6.48 8.88 13.76 9.97 8.30 7.69 6.76 5.09 7.11 MEAN OF MIXING RATIO AT 15 GMT. 3.17 3.24 3.76 5.61 6.23 8.01 10.09 9.46 8.16 7.76 6.01 4.79 6.36 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -18.0 -15.0 -18.0 -3.0 1.0 6.0 14.0 13.0 3.5 2.0 -4.0 -10.0 -18.0 DAY 29 6 8 2 6 4 7 9 15 11 28 22 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.8 11.8 12.0 23.2 30.0 34.0 37.0 38.2 32.8 27.4 19.0 12.0 38.2 DAY 1 16 1 27 27 28 13 7 1 7 1 7 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.0 12.0 28.0 6.0 11.0 0.0 0.0 0.0 0.0 2.0 6.0 5.0 28.0 DAY 16 19 13 28 5 ** ** ** ** 20 12 4 MONTHLY TOTAL PRECIPITATION IN MM. 12.5 20.0 56.5 10.5 22.0 0.0 0.0 0.0 0.0 2.0 22.0 15.0 160.5 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 55.5 20.2 0.0 24.3 NO. OF DAYS WITH PRECIPITATION. 2 3 7 3 6 0 0 0 0 1 6 4 32 NO. OF DAYS PRECIPITATION EQUAL 2 3 7 3 6 0 0 0 0 1 6 4 32 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 1 0 1 0 0 0 0 0 0 0 4 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 75 70 73 66 61 58 58 42 64 72 87 86 68 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 55 55 63 52 35 31 37 28 32 45 65 74 48 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 51 60 62 50 40 29 33 28 36 54 64 73 48 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 21 19 6 0 0 0 0 0 0 0 1 11 58 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 2 1 0 0 0 0 0 3 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 1 3 1 0 0 0 0 0 0 0 0 0 5 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 3 24 31 29 7 0 0 0 94 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 29 26 23 5 0 0 0 0 0 0 10 26 119 DATE OF START AND END FREEZING START = 14 NOV. END = 13 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. MEAN AND EXTREMES FOR THE YEAR 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** ***** ***** NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** *** *** *** *** *** DATE OF START AND END FREEZING START = ** **** END = ** **** IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. MEAN AND EXTREMES FOR THE YEAR 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** ***** ***** ***** NO. OF DAYS WITH PRECIPITATION. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** *** *** *** *** *** *** *** *** *** *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** *** *** *** *** *** *** *** *** *** *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** *** *** *** *** *** *** *** *** *** *** DATE OF START AND END FREEZING START = ** **** END = ** **** IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. MEAN AND EXTREMES FOR THE YEAR 2000 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPERATURE IN C.***** ***** ***** 11.9 17.3 21.3 25.0 23.1 18.7 11.5 6.0 -0.5 ****** AVERAGE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** 4.4 5.7 9.7 15.5 12.3 8.3 3.3 -1.2 -5.0 ****** AVERAGE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** 19.4 28.9 32.8 34.6 34.0 29.1 19.8 13.2 4.0 ****** DIFFERENCE BETWEEN AVERAGE MAXIMUM ***** ***** ***** 15.0 23.2 23.1 19.1 21.7 20.8 16.5 14.4 9.0 ****** AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. ***** ***** ***** 5.31 4.96 5.41 8.01 7.35 6.20 5.18 3.83 3.17 ***** MEAN OF MIXING RATIO AT 09 GMT. ***** ***** ***** 7.17 7.74 10.30 11.73 8.50 7.67 6.29 5.60 4.46 ***** MEAN OF MIXING RATIO AT 15 GMT. ***** ***** ***** 5.93 6.98 9.48 10.48 7.68 6.32 6.56 5.61 4.28 ***** ABSOLUTE OF MINIMUM TEMPERATURE IN C. ***** ***** ***** 1.0 2.5 5.0 10.0 8.0 2.5 0.5 -5.0 -14.5 ****** DAY ** ** ** 2 12 1 26 12 28 30 28 20 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. ***** ***** ***** 24.5 31.5 35.5 37.0 36.0 31.5 24.5 19.0 12.0 ****** DAY ** ** ** 21 27 28 16 17 9 1 4 1 24 HOUR MAXIMUM PRECIPITATION IN MM. ***** ***** ***** 6.0 2.5 0.0 0.0 0.0 0.5 33.0 17.0 36.0 ****** DAY ** ** ** 9 8 ** ** ** 30 17 30 1 MONTHLY TOTAL PRECIPITATION IN MM. ***** ***** ***** 9.0 2.5 0.0 0.0 0.0 0.5 45.0 39.0 123.5 ****** ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION ***** 5.2 0.2 94.5 NO. OF DAYS WITH PRECIPITATION. *** *** *** 2 1 0 0 0 1 3 6 8 *** NO. OF DAYS PRECIPITATION EQUAL *** *** *** 2 1 0 0 0 0 3 6 8 *** OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL *** *** *** 0 0 0 0 0 0 2 1 6 *** OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. *** *** *** 71 58 51 52 53 55 72 78 81 *** MEAN OF RELATIVE HUMIDITY AT 09 GMT. *** *** *** 57 31 31 33 25 28 46 60 79 *** MEAN OF RELATIVE HUMIDITY AT 15 GMT. *** *** *** 53 33 35 34 25 28 53 66 82 *** NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** 0 0 0 0 0 0 0 3 14 *** OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL *** *** *** 0 0 0 0 0 0 0 0 0 *** OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** 0 0 0 0 0 0 0 0 5 *** OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** 0 13 28 31 31 20 0 0 0 *** OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** 0 0 0 0 0 0 0 0 0 *** OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL *** *** *** 0 0 0 0 0 0 0 0 0 *** OR MORE THAN 45 NUMBER OF FREEZING DAYS. *** *** *** 0 0 0 0 0 0 0 20 28 *** DATE OF START AND END FREEZING START = 7 NOV. END = 31 DEC. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. MEAN AND EXTREMES FOR THE PERIOD 1996 TO 2000 PAGE 1 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE OF MEAN DAILY TEMPE. IN C. -2.3 -0.3 3.8 10.3 15.5 20.9 24.8 23.9 18.9 12.7 6.6 2.0 11.4 SD OF MEAN DAILY TEMPERATURE IN C. 4.35 3.82 1.62 1.50 1.66 1.48 0.30 0.74 0.75 1.13 0.88 2.41 1.72 AVERAGE OF MINIMUM TEMPERATURE IN C. -7.8 -5.0 -1.3 3.6 5.8 10.4 15.8 13.9 8.6 4.3 0.0 -3.0 3.8 AVERAGE OF MAXIMUM TEMPERATURE IN C. 3.3 6.1 9.0 16.9 25.2 31.4 33.8 34.0 29.2 21.1 13.1 7.1 19.2 DIFFERENCE BETWEEN AVERAGE MAXIMUM 11.1 11.2 10.3 13.3 19.4 21.0 18.0 20.1 20.6 16.9 13.0 10.0 15.4 AND MINIMUM TEMPERATURE. MEAN OF MIXING RATIO AT 03 GMT. 2.33 2.64 3.69 4.90 5.57 6.56 7.97 6.46 5.70 4.70 4.15 3.40 4.83 MEAN OF MIXING RATIO AT 09 GMT. 3.16 3.71 4.42 6.43 7.41 8.86 11.20 9.12 7.87 6.40 5.40 4.62 6.54 MEAN OF MIXING RATIO AT 15 GMT. 2.74 3.51 4.13 5.71 6.93 8.13 9.72 8.55 7.30 6.02 5.00 4.17 5.99 ABSOLUTE OF MINIMUM TEMPERATURE IN C. -21.5 -15.0 -18.0 -3.0 1.0 4.0 10.0 8.0 2.5 -3.0 -9.0 -14.5 -21.5 YEAR - DAY 96-25 97- 6 97- 8 97- 2 97- 6 96-13 0-26 0-12 0-28 96-28 96-13 0-20 96-25 ABSOLUTE OF MAXIMUM TEMPERATURE IN C. 12.8 15.8 20.0 24.5 31.5 35.5 37.0 38.2 33.8 27.4 19.0 15.0 38.2 YEAR - DAY 97- 1 96- 9 96-30 0-21 0-27 0-28 97-13 97- 7 96-10 97- 7 97- 1 96- 5 97- 7 24 HOUR MAXIMUM PRECIPITATION IN MM. 10.0 12.0 28.0 14.0 16.0 0.0 0.0 0.0 0.5 33.0 17.0 36.0 36.0 YEAR - DAY 96- 6 96-19 96- 2 96-13 96- 5 **-** **-** **-** 0-30 0-17 0-30 0- 1 0- 1 MONTHLY TOTAL PRECIPITATION IN MM. 20.1 35.5 75.0 24.7 29.8 0.0 0.0 0.0 0.2 16.7 20.3 48.8 271.1 ---------------- ---------------- ---------------- ---------------- SEASONAL PERCENT OF PRECIPITATION 48.2 20.1 0.0 31.6 NO. OF DAYS WITH PRECIPITATION. 6 6 8 5 5 0 0 0 0 2 4 5 41 NO. OF DAYS PRECIPITATION EQUAL 5 6 8 5 5 0 0 0 0 2 4 5 40 OR MORE THAN 1 MM. NO. OF DAYS PRECIPITATION EQUAL 1 1 3 0 1 0 0 0 0 1 0 2 9 OR MORE THAN10 MM. MEAN OF RELATIVE HUMIDITY AT 03 GMT. 72 70 74 71 63 52 49 43 52 62 76 78 64 MEAN OF RELATIVE HUMIDITY AT 09 GMT. 60 59 63 53 37 29 32 26 29 40 54 68 46 MEAN OF RELATIVE HUMIDITY AT 15 GMT. 56 62 66 53 40 30 32 26 30 45 57 67 47 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 22 15 6 0 0 0 0 0 0 0 3 11 57 OR LESS THAN -4 NO. OF DAYS MINIMUM TEMPERATURE EQUAL 0 0 0 0 0 1 1 0 0 0 0 0 2 OR MORE THAN 21 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 10 2 1 0 0 0 0 0 0 0 0 2 15 OR LESS THAN 0 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 6 25 31 30 16 0 0 0 108 OR MORE THAN 30 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 40 NO. OF DAYS MAXIMUM TEMPERATURE EQUAL 0 0 0 0 0 0 0 0 0 0 0 0 0 OR MORE THAN 45 NUMBER OF FREEZING DAYS. 28 25 19 4 0 0 0 0 0 1 18 25 120 DATE OF START AND END FREEZING START = 18 OCT. END = 27 APR. IRANIAN METEOROLOGICAL ORGANIZATION ( IMO ) STATION TAJARAK-HAMADAN LATITUDE 35 17 N DATA PROCESSING CENTER LONGITUDE 49 19 E ELEVATION 1570 MET. MEAN AND EXTREMES FOR THE PERIOD 1996 TO 2000 PAGE 2 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AVERAGE DRY BULB TEMPERATURE. IN C. -1.4 1.2 3.8 11.0 17.5 23.7 26.8 26.7 21.8 14.1 7.6 2.9 13.0 AVERAGE DEW POINT TEMPERATURE. IN C. -8.0 -5.3 -2.0 2.5 4.8 7.1 10.2 7.6 5.3 2.4 0.1 -2.4 1.9 AVERAGE OF MIXING RATIO IN G/KG 2.74 3.28 4.07 5.68 6.63 7.85 9.63 8.04 6.95 5.70 4.84 4.06 5.79 AVERAGE OF VAPOUR PRESSURE HPA 3.66 4.39 5.45 7.61 8.91 10.56 12.93 10.84 9.35 7.65 6.48 5.42 7.77 AVERAGE OF SATURATION DEFICIT IN HPA 2.54 2.71 2.85 6.21 12.77 20.92 24.15 26.45 18.75 9.42 4.43 2.51 11.14 AVERAGE RELATIVE HUMIDITY IN PERCENT 63 64 68 59 47 37 38 32 37 49 62 71 52 AVERAGE OF MAXIMUM RELATIVE HUMIDITY(%) 74 73 78 72 64 52 50 43 52 64 78 80 65 AVERAGE OF MINIMUM RELATIVE HUMIDITY(%) 54 56 58 48 34 27 29 24 26 38 50 62 42 NO. OF DAYS PRECIPITATION EQUAL 2 4 5 2 3 0 0 0 0 1 2 3 22 OR MORE THAN 5 MM.