Darlag County
| Darlag County དར་ལག་རྫོང 达日县 | |
|---|---|
| County | |
  Darlag County Location in Qinghai | |
| Coordinates: 33°24′N 99°20′E / 33.400°N 99.333°ECoordinates: 33°24′N 99°20′E / 33.400°N 99.333°E | |
| Country | People's Republic of China |
| Province | Qinghai |
| Autonomous prefecture | Golog |
| Time zone | China Standard (UTC+8) |
| Darlag County | |||||||
| Chinese name | |||||||
|---|---|---|---|---|---|---|---|
| Simplified Chinese | 达日县 | ||||||
| Traditional Chinese | 達日縣 | ||||||
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| Tibetan name | |||||||
| Tibetan | དར་ལག་རྫོང | ||||||
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Darlag County (Tibetan: དར་ལག་རྫོང ; Chinese: 达日县) is a county of southeastern Qinghai province, China, bordering Sichuan to the south. It is under the administration of Golog Tibetan Autonomous Prefecture. The county seat is in the Town of Gyümai (Jimai).
Geography
With an elevation of around 3,970 metres (13,020 ft), Darlag County has an alpine climate (Köppen EH), with long, very cold and winters, and short, rainy, cool summers. Average low temperatures are below freezing from mid September to late May; however, due to the wide diurnal temperature variation, average highs are only below freezing from mid/late November thru early March. With monthly percent possible sunshine ranging from 47% in June to 70% in November, the county seat receives 2,467 hours of bright sunshine annually. The monthly 24-hour average temperature ranges from −12.6 °C (9.3 °F) in January to 9.2 °C (48.6 °F) in July, while the annual mean is −0.94 °C (30.3 °F). Over 70% of the annual precipitation of 545 mm (21.5 in) is delivered from June to September.
| Climate data for Darlag County (1971−2000) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average high °C (°F) | −3.3 (26.1) |
−1.3 (29.7) |
2.8 (37) |
6.8 (44.2) |
10.8 (51.4) |
13.7 (56.7) |
15.6 (60.1) |
15.4 (59.7) |
12.1 (53.8) |
7.1 (44.8) |
1.5 (34.7) |
−2.3 (27.9) |
6.6 (43.8) |
| Average low °C (°F) | −20.3 (−4.5) |
−16.8 (1.8) |
−10.7 (12.7) |
−5.4 (22.3) |
−1.2 (29.8) |
2.4 (36.3) |
4.1 (39.4) |
3.2 (37.8) |
0.7 (33.3) |
−4.6 (23.7) |
−13.4 (7.9) |
−19.6 (−3.3) |
−6.8 (19.8) |
| Average precipitation mm (inches) | 5.5 (0.217) |
6.5 (0.256) |
14.2 (0.559) |
25.5 (1.004) |
55.7 (2.193) |
106.1 (4.177) |
110.8 (4.362) |
93.4 (3.677) |
85.6 (3.37) |
33.4 (1.315) |
4.9 (0.193) |
3.1 (0.122) |
544.7 (21.445) |
| Average precipitation days (≥ 0.1 mm) | 6.3 | 8.1 | 12.2 | 13.8 | 19.4 | 21.4 | 21.0 | 17.7 | 20.2 | 14.6 | 5.0 | 4.3 | 164.0 |
| Average relative humidity (%) | 53 | 52 | 53 | 56 | 64 | 70 | 72 | 72 | 74 | 68 | 57 | 53 | 62.0 |
| Mean monthly sunshine hours | 189.7 | 177.3 | 208.1 | 228.7 | 224.4 | 200.6 | 211.5 | 220.1 | 181.6 | 201.7 | 218.6 | 204.4 | 2,466.7 |
| Percent possible sunshine | 61 | 57 | 56 | 59 | 52 | 47 | 48 | 53 | 49 | 58 | 70 | 67 | 56.4 |
| Source: China Meteorological Administration | |||||||||||||