1. 6. SYNOPTIC STATIONS IN CAPITALS OF OSTANS AND THEIR METEOROLOGICAL

INFORMATION OVER A 30-YEAR PERIOD⁽¹⁾

Capital of Ostan	Station characteristics				Air temperature (c^0)
	Year of establish- ment	Altitude (m)	Average max.	Average min.	Absolute max.	Absolute min.	Mean
Arak ..........................	1334	1708	20.5	6.8	44.0	-30.5	13.6
Ardebil (2)..................	1355	1314	14.9	2.5	38.2	-33.8	8.7
Orumiyeh ...................	1335	1313	17.0	4.8	38.0	-22.8	10.9
Esfahan .....................	1326	1600	23.0	9.5	41.4	-15.0	16.3
Ahvaz ........................	1335	23	32.7	17.4	54.0	-5.0	25.0
Ilam (2) .....................	1365	1363	21.8	11.4	40.6	-12.6	16.6
Bandar Abbas ............	1335	10	32.1	21.5	51.0	2.0	26.8
Bushehr .....................	1331	20	29.4	19.6	48.6	2.0	24.5
Tabriz ........................	1327	1361	17.7	6.8	42.0	-25.0	12.3
Tehran .......................	1323	1190	22.5	11.9	43.0	-15.0	17.2
Khorramabad .............	1329	1125	24.9	8.8	46.0	-14.6	16.8
Rasht .........................	1335	-7	20.4	11.0	37.6	-18.0	15.8
Zahedan ....................	1331	1370	26.6	9.9	43.0	-22.0	18.2
Zanjan .......................	1334	1663	17.6	3.8	40.0	-28.6	10.7
Semnan .....................	1343	1171	23.6	12.2	44.0	-11.0	17.9
Sanandaj ....................	1338	1373	21.2	5.0	44.0	-31.0	13.1
Shahr-e-Kord .............	1334	1991	20.2	3.5	42.0	-32.0	11.8
Shiraz ........................	1328	1488	25.6	9.5	43.0	-14.0	17.6
Qazvin .......................	1337	1278	20.8	6.7	43.0	-24.0	13.7
Qom (2) .....................	1365	877	25.4	9.7	45.6	-12.6	17.5
Kerman .....................	1329	1754	24.4	6.4	41.0	-30.0	15.4
Kermanshah ..............	1322	1322	22.2	5.8	44.0	-27.0	14.0
Gorgan ......................	1331	13	22.5	12.6	45.0	10.0	17.6
Mashhad ....................	1328	990	21.0	6.7	41.6	-28.0	13.9
Hamadan (2)...............	1355	1749	18.9	2.8	40.0	-32.8	10.9
Yasuj (2) ...................	1365	1880	21.9	7.9	39.6	13.4	14.9
Yazd .........................	1322	1230	26.4	11.4	45.6	-12.0	18.9

1. 6. SYNOPTIC STATIONS IN CAPITALS OF OSTANS AND THEIR METEOROLOGICAL

INFORMATION OVER A 30-YEAR PERIOD⁽¹⁾ (continued)

Capital of Ostan	Average annual precipitation ( mm)	Max. daily precipitation (mm)	Mean of relative humidity at utc hour		Average number of frosty days
			6:30	12:30
Arak ..................................	343	80	60	38	94
Ardebil (2)..........................	312	63	89	53	135
Orumiyeh ...........................	364	61	75	49	117
Esfahan..............................	123	48	54	29	69
Ahvaz ................................	244	77	62	34	1
Ilam (2)..............................	657	103	53	28	39
Bandar Abbas ....................	188	211	81	52	0
Bushehr .............................