Dulan County
| Dulan County ᠳᠤᠯᠠᠭᠠᠨ ᠰᠢᠶᠠᠨ 都兰县 | |
|---|---|
| County | |
  Dulan | |
| Coordinates: 36°18′N 98°05′E / 36.300°N 98.083°ECoordinates: 36°18′N 98°05′E / 36.300°N 98.083°E | |
| Country | People's Republic of China |
| Province | Qinghai |
| Autonomous prefecture | Haixi |
| Township-level divisions |
4 towns 4 townships |
| Elevation | 3,194 m (10,479 ft) |
| Time zone | China Standard (UTC+8) |
| Postal code | 816100 |
Dulan County (Mongolian:ᠳᠤᠯᠠᠭᠠᠨ ᠰᠢᠶᠠᠨ simplified Chinese: 都兰县; traditional Chinese: 都蘭縣; pinyin: Dūlán Xiàn) is a county of east-central Qinghai province, China. It is under the administration of Haixi Mongol and Tibetan Autonomous Prefecture.
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. The area is very sunny, with no month having less than 60% of possible sunshine, and there are 3,092 hours of bright sunshine annually; relative humidity in all months is below 50% and is for six months below 40%. The monthly 24-hour average temperature ranges from −9.8 °C (14.4 °F) in January to 14.8 °C (58.6 °F) in July, while the annual mean is 3.16 °C (37.7 °F). Over 70% of the annual precipitation of 194 mm (7.64 in) is delivered from May to August.
| Climate data for Dulan County (1971−2000) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average high °C (°F) | −2.5 (27.5) |
0.4 (32.7) |
5.3 (41.5) |
11.0 (51.8) |
15.9 (60.6) |
19.0 (66.2) |
21.4 (70.5) |
21.2 (70.2) |
16.5 (61.7) |
10.2 (50.4) |
3.6 (38.5) |
−0.9 (30.4) |
10.1 (50.2) |
| Average low °C (°F) | −14.9 (5.2) |
−11.7 (10.9) |
−6.6 (20.1) |
−1.8 (28.8) |
2.9 (37.2) |
6.6 (43.9) |
9.0 (48.2) |
8.4 (47.1) |
4.0 (39.2) |
−2.2 (28) |
−8.8 (16.2) |
−13.3 (8.1) |
−2.4 (27.7) |
| Precipitation mm (inches) | 4.0 (0.157) |
4.8 (0.189) |
8.4 (0.331) |
9.1 (0.358) |
24.7 (0.972) |
41.7 (1.642) |
46.5 (1.831) |
26.5 (1.043) |
14.8 (0.583) |
5.9 (0.232) |
3.9 (0.154) |
3.5 (0.138) |
193.8 (7.63) |
| Avg. 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 |
| % humidity | 42 | 37 | 34 | 31 | 47 | 46 | 49 | 45 | 43 | 36 | 34 | 38 | 40.2 |
| 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 | 70.4 |
| Source: China Meteorological Administration | |||||||||||||
Transport
References
External links
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