Madoi County

Madoi County
རྨ་སྟོད་རྫོང
玛多县
County
Madoi County

Location in Qinghai

Coordinates: 34°42′N 98°13′E / 34.700°N 98.217°E / 34.700; 98.217Coordinates: 34°42′N 98°13′E / 34.700°N 98.217°E / 34.700; 98.217
Country People's Republic of China
Province Qinghai
Autonomous prefecture Golog
Time zone China Standard (UTC+8)
Madoi County
Chinese name
Simplified Chinese 玛多县
Traditional Chinese 瑪多縣
Tibetan name
Tibetan རྨ་སྟོད་རྫོང

Madoi County (Tibetan: རྨ་སྟོད་རྫོང ; Chinese: 玛多县; also Matö County or Maduo County) is a county of Golog Tibetan Autonomous Prefecture, in southeast-central Qinghai province. Its area is about 25,000 km2 (9,700 sq mi), and with an average elevation of 4,300 m (14,000 ft) it is the highest Chinese county by average elevation. In Madoi County is the upper stream of the Yellow River which flows to Ngoring and Gyaring lake.

Geography

With an elevation of around 4,300 m (14,000 ft), Madoi County has an alpine climate (Köppen EH), with long, bitterly cold and very dry winters, and brief, rainy, cool summers. Average low temperatures are below freezing from early September to mid June; however, due to the wide diurnal temperature variation, average highs are only below freezing from early November thru mid March. 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 53% in June to 79% in November, the county seat receives 2,838 hours of bright sunshine annually. The monthly 24-hour average temperature ranges from −16.8 °C (1.8 °F) in January to 7.5 °C (45.5 °F) in July, while the annual mean is −3.84 °C (25.1 °F), making the county seat one of the coldest locales nationwide in terms of annual mean temperature. Nearly three-fourths of the annual precipitation of 322 mm (12.7 in) is delivered from June to September.

Climate data for Madoi County (1971−2000)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Average high °C (°F) −8
(18)
−5.1
(22.8)
−0.5
(31.1)
4.4
(39.9)
8.4
(47.1)
11.3
(52.3)
13.5
(56.3)
13.6
(56.5)
9.7
(49.5)
3.8
(38.8)
−2.8
(27)
−6.7
(19.9)
3.5
(38.2)
Average low °C (°F) −24.1
(−11.4)
−20.5
(−4.9)
−14.6
(5.7)
−9
(16)
−3.8
(25.2)
0.1
(32.2)
2.4
(36.3)
1.8
(35.2)
−1.4
(29.5)
−7.5
(18.5)
−17.3
(0.9)
−22.8
(−9)
−9.7
(14.5)
Average precipitation mm (inches) 3.6
(0.142)
4.8
(0.189)
8.7
(0.343)
11.0
(0.433)
31.2
(1.228)
59.2
(2.331)
72.7
(2.862)
59.6
(2.346)
46.8
(1.843)
18.6
(0.732)
2.9
(0.114)
2.5
(0.098)
321.6
(12.661)
Average precipitation days (≥ 0.1 mm) 6.7 8.2 9.8 10.3 15.5 17.6 18.5 14.8 14.9 11.0 4.6 4.3 136.2
Average relative humidity (%) 57 55 52 50 57 64 68 65 65 61 56 55 58.8
Mean monthly sunshine hours 226.2 209.6 240.6 257.1 256.3 228.6 236.8 244.0 217.1 241.2 244.6 236.2 2,838.3
Percent possible sunshine 73 68 65 66 60 53 54 59 59 69 79 78 64
Source: China Meteorological Administration

See also

References


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