1. 7. CLIMATIC CONDITIONS OF CAPITALS OF OSTANS: 1381

Capital of Ostan

Air temperature ( c 0)

Annual precipitation (mm)

Average

 

max.

Average

 

min.

Absolute

 

max.

Absolute

 

min.

Mean

Arak ..........................

21.2

7.5

39.6

-10.4

14.4

272

Ardebil.......................

15.6

3.3

34.4

-26.8

9.5

298

Orumiyeh ...................

17.7

5.9

34.6

-1.6

11.8

294

Esfahan......................

24.1

8.0

40.0

-11.0

17.2

118

Ahvaz ........................

33.7

19.2

50.0

1.8

25.9

168

Ilam............................

32.3

19.5

48.5

2.0

25.6

206

Bandar Abbas ............

32.6

22.3

45.0

5.8

27.5

76

Bushehr .....................

29.1

21.5

41.4

7.4

25.3

217

Tabriz ........................

18.4

7.6

35.6

-16.0

13.0

311

Tehran .......................

23.1

13.9

41.0

-4.2

18.5

331

Khorramabad .............

24.5

8.5

42.6

-5.4

16.5

397

Rasht .........................

20.4

12.3

35.0

-2.6

16.4

1253

Zahedan ....................

27.8

11.8

42.0

-10.0

19.8

51

Zanjan .......................

18.8

4.6

35.6

-15.2

11.3

253

Sari............................

21.7

13.6

35.6

-2.2

17.7

791

Semnan .....................

24.2

13.7

42.0

-5.4

18.4

197

Sanandaj ....................

21.8

6.1

40.6

-13.0

13.9

401

Shahr-e-Kord .............

20.2

4.2

36.4

-18.4

12.2

355

Shiraz ........................

26.3

11.6

40.6

-4.4

18.9

324

Qazvin .......................

21.4

7.5

40.0

-10.2

14.5

345

Qom  .........................

26.2

10.8

44.0

-7.0

18.5

179

Kerman .....................

25.9

7.9

39.8

-12.2

16.9

84

Kermanshah ..............

23.3

7.4

42.2

-10.8

15.4

408

Gorgan ......................

23.2

13.0

48.6

-3.4

18.2

556

Mashhad ....................

20.9

6.7

43.0

-28.0

13.8

259

Hamadan  ..................

19.3

4.5

38.2

-19.2

11.9

424

Yasuj  ........................

20.4

9.1

35.8

-10.4

15.0

949

Yazd .........................

27.4

14.3

43.4

-4.6

19.7

62

 

 

 

1. 7. CLIMATIC CONDITIONS OF CAPITALS OF OSTANS: 1381 (continued)

Capital of Ostan

Max. daily precipitation (mm)

Mean of relative humidity at utc hour (%)

Number of frosty days

Bright sunshine (hours)

Max. speed of wind (mps)

6:30

12:30

Arak ..........................

24

55

31

95

3080

25

Ardebil.......................

16

83

57

117

2560

20

Orumiyeh ...................

36

72

46

101

2838

16

Esfahan......................

15

59

22

97

3435

20

Ahvaz ........................

17

62

23

0

3317

16

Ilam............................

26

49

32

28

3091

17

Bandar Abbas ............

31

77

47

0

3119

15

Bushehr .....................

42

73

61

0

3419

30

Tabriz ........................

21

64

39

88

2774

20

Tehran .......................

36

49

32

20

2458

25

Khorramabad .............

42

61

33

52

3123

17

Rasht .........................

59

93

70

16

1902

14

Zahedan ....................

14