Dulan County

Dulan County (Mongolian:ᠳᠤᠯᠠᠭᠠᠨ ᠰᠢᠶᠠᠨ ; Tibetan: ཏུའུ་ལན་རྫོང་ ; Chinese: 都兰县) is a county of east-central Qinghai province, China. It is under the administration of Haixi Mongol and Tibetan Autonomous Prefecture.

Dulan County

ᠳᠤᠯᠠᠭᠠᠨ ᠰᠢᠶᠠᠨ
都兰县 • ཏུའུ་ལན་རྫོང་
County
Dulan County (light red) within Haixi Prefecture (yellow) and Qinghai
Dulan
Location in Qinghai
Coordinates: 36°18′N 98°05′E
CountryPeople's Republic of China
ProvinceQinghai
Autonomous prefectureHaixi
Township-level divisions
  • 4 towns
  • 4 townships
Elevation
3,194 m (10,479 ft)
Time zoneUTC+8 (China Standard)
Postal code
816100
Dulan County
Chinese name
Simplified Chinese都兰县
Traditional Chinese都蘭縣
Tibetan name
Tibetanཏུའུ་ལན་རྫོང་
Mongolian name
Mongolian scriptᠳᠤᠯᠠᠭᠠᠨ ᠰᠢᠶᠠᠨ

Climate

With an elevation of around 3,200 metres (10,000 ft), Dulan County has a subalpine semi-arid climate (Köppen BSk), with long, very cold and winters, and warm summers. Average low temperatures are below freezing from early/mid October to mid/late April; however, due to the wide diurnal temperature variation, only December and January have an average high that is below freezing. With monthly percent possible sunshine ranging from 60% in July to 81% in November, the county seat is very sunny, receiving 3,092 hours of bright sunshine annually; relative humidity in all months is below 50% and is for seven months below 40%. The monthly 24-hour average temperature ranges from −9.6 °C (14.7 °F) in January to 15.2 °C (59.4 °F) in July, while the annual mean is 3.41 °C (38.1 °F). Over 70% of the annual precipitation of 218 mm (8.58 in) is delivered from May to August.

Climate data for Dulan County (1981−2010 normals)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Average high °C (°F) −2.3
(27.9)		 0.8
(33.4)		 5.6
(42.1)		 11.2
(52.2)		 15.8
(60.4)		 19.2
(66.6)		 21.9
(71.4)		 21.4
(70.5)		 16.9
(62.4)		 10.4
(50.7)		 4.1
(39.4)		 −0.4
(31.3)		 10.4
(50.7)
Daily mean °C (°F) −9.6
(14.7)		 −6.2
(20.8)		 −1.1
(30.0)		 4.4
(39.9)		 9.1
(48.4)		 12.8
(55.0)		 15.2
(59.4)		 14.5
(58.1)		 9.8
(49.6)		 3.2
(37.8)		 −3.4
(25.9)		 −7.8
(18.0)		 3.4
(38.1)
Average low °C (°F) −14.7
(5.5)		 −11.4
(11.5)		 −6.4
(20.5)		 −1.5
(29.3)		 3.0
(37.4)		 6.9
(44.4)		 9.4
(48.9)		 8.5
(47.3)		 4.2
(39.6)		 −2.0
(28.4)		 −8.3
(17.1)		 −12.8
(9.0)		 −2.1
(28.2)
Average precipitation mm (inches) 4.1
(0.16)		 4.6
(0.18)		 7.8
(0.31)		 11.2
(0.44)		 31.3
(1.23)		 49.4
(1.94)		 51.5
(2.03)		 25.9
(1.02)		 18.9
(0.74)		 6.2
(0.24)		 3.5
(0.14)		 3.2
(0.13)		 217.6
(8.56)
Average precipitation days (≥ 0.1 mm) 4.4 3.6 4.6 3.5 6.6 9.6 11.3 7.5 5.2 2.9 2.3 3.7 65.2
Average relative humidity (%) 41 35 33 31 38 46 48 44 43 35 33 38 39
Mean monthly sunshine hours 231.8 220.4 250.2 278.1 288.1 268.3 268.0 278.3 257.0 271.7 248.0 231.9 3,091.8
Percent possible sunshine 75 72 68 71 66 62 60 66 69 78 81 77 70
Source: China Meteoroloical Administration (precipitation days, sun 1971−2000)[1][2]

Transport

References
  1. 中国气象数据网 - WeatherBk Data (in Chinese). China Meteorological Administration. Retrieved 2020-04-15.
  2. 中国地面国际交换站气候标准值月值数据集（1971－2000年）. China Meteorological Administration. Archived from the original on 2013-09-21. Retrieved 2010-05-25.
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