Tongde County

Tongde County (simplified Chinese: 同德县; traditional Chinese: 同德縣; pinyin: Tóngdé Xiàn) is a county of Qinghai province, China. It is under the administration of Hainan Tibetan Autonomous Prefecture.

Tongde County

同德县
County
Tongde County (light red) within Hainan Prefecture (yellow) and Qinghai
Tongde
Location in Qinghai
Coordinates: 35°00′N 100°30′E
CountryPeople's Republic of China
ProvinceQinghai
Autonomous prefectureHainan
Time zoneUTC+8 (China Standard)

Geography

Tongde County has an alpine subarctic climate (Köppen Dwc), with long, very cold and dry winters, and short, rainy, mild summers. Average low temperatures are below freezing from mid/late September to mid May; however, due to the wide diurnal temperature variation (at an average 16.9 °C or 30.4 °F), only January has an average high that is below freezing. Despite frequent rain during summer, when a majority of days sees rain, no month has less than 50% of possible sunshine; with monthly percent possible sunshine ranging from 51% in June to 81% in November, the county seat receives 2,806 hours of bright sunshine annually. The monthly 24-hour average temperature ranges from −13.0 °C (8.6 °F) in January to 11.7 °C (53.1 °F) in July, while the annual mean is 0.57 °C (33.0 °F). Over 70% of the annual precipitation of 426 mm (16.8 in) is delivered from June to September.

Climate data for Tongde County (1981−2010 normals)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Average high °C (°F) −1.1
(30.0)		 2.1
(35.8)		 6.6
(43.9)		 11.0
(51.8)		 14.5
(58.1)		 16.5
(61.7)		 18.5
(65.3)		 18.9
(66.0)		 14.9
(58.8)		 10.1
(50.2)		 5.1
(41.2)		 0.8
(33.4)		 9.8
(49.7)
Daily mean °C (°F) −13.0
(8.6)		 −8.7
(16.3)		 −3.2
(26.2)		 2.3
(36.1)		 7.0
(44.6)		 10.0
(50.0)		 11.7
(53.1)		 10.8
(51.4)		 6.8
(44.2)		 1.2
(34.2)		 −6.5
(20.3)		 −11.6
(11.1)		 0.6
(33.0)
Average low °C (°F) −22.3
(−8.1)		 −18.1
(−0.6)		 −11.7
(10.9)		 −5.9
(21.4)		 −0.1
(31.8)		 4.0
(39.2)		 5.3
(41.5)		 3.9
(39.0)		 0.6
(33.1)		 −5.5
(22.1)		 −14.9
(5.2)		 −20.6
(−5.1)		 −7.1
(19.2)
Average precipitation mm (inches) 2.7
(0.11)		 3.2
(0.13)		 8.4
(0.33)		 19.2
(0.76)		 54.1
(2.13)		 83.9
(3.30)		 91.2
(3.59)		 72.0
(2.83)		 64.0
(2.52)		 23.1
(0.91)		 2.7
(0.11)		 1.3
(0.05)		 425.8
(16.77)
Average precipitation days (≥ 0.1 mm) 3.5 3.8 6.3 7.9 15.3 18.0 19.3 16.3 14.2 7.7 2.1 1.7 116.1
Average relative humidity (%) 43 38 41 48 59 69 74 72 72 63 50 42 56
Mean monthly sunshine hours 235.2 216.9 234.2 248.4 242.6 221.4 230.4 247.9 204.1 231.4 249.7 243.8 2,806
Percent possible sunshine 76 71 64 64 56 51 52 60 55 66 81 80 63
Source: China Meteorological Administration (precipitation days and sunshine 1971–2000)[1][2]

See also

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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