Jiulong County

Gyézil County (Tibetan: བརྒྱད་ཟིལ། / བརྒྱད་ཟུར།, Wylie: brgyad zil / brgyad zur), also Jiulong County (simplified Chinese: 九龙县; traditional Chinese: 九龍縣); is a county located in southeastern Garzê Tibetan Autonomous Prefecture, Sichuan province, People's Republic of China. With a population of 52 thousand, mainly Tibetans, Hans, and Yis, it contains one town and 17 townships.

Jiulong County
九龙县 · བརྒྱད་ཟིལ།
County
Jiulong County (red) in Garzê Prefecture (yellow) and Sichuan
Jiulong County (red) in Garzê Prefecture (yellow) and Sichuan
Jiulong is located in Sichuan
Jiulong
Jiulong
Location of the seat in Sichuan
Coordinates (Jiulong County government): 29°00′01″N 101°30′26″E
CountryPeople's Republic of China
ProvinceSichuan
Autonomous prefectureGarzê
Area
 • Total6,770 km2 (2,610 sq mi)
Light green -Yi. Red -Tibetan.

Geography and climate

Due to its elevation, Jiulong County has a subtropical highland climate (Köppen Cwb), with strong monsoonal influences; winters are frosty and summers warm with frequent rain. The monthly 24-hour average temperature ranges from 1.6 °C (34.9 °F) in December and January to 15.3 °C (59.5 °F) in July, while the annual mean is 9.1 °C (48.4 °F). Over 75% of the annual precipitation of 922.5 mm (36.3 in) occurs from June through September. With monthly percent possible sunshine ranging from 32% in July to 58% in January, the county seat receives 1,983 hours of bright sunshine annually. Diurnal temperature variation is large, averaging 14.2 °C (25.6 °F) annually.

Climate data for Jiulong (1981–2010 normals, extremes 1971–2010)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 23.5
(74.3)		 25.3
(77.5)		 26.4
(79.5)		 28.0
(82.4)		 31.2
(88.2)		 31.7
(89.1)		 30.2
(86.4)		 29.3
(84.7)		 29.1
(84.4)		 25.1
(77.2)		 22.6
(72.7)		 20.5
(68.9)		 31.7
(89.1)
Average high °C (°F) 12.0
(53.6)		 13.7
(56.7)		 16.5
(61.7)		 19.1
(66.4)		 21.0
(69.8)		 21.5
(70.7)		 21.6
(70.9)		 21.3
(70.3)		 19.5
(67.1)		 17.6
(63.7)		 14.4
(57.9)		 12.1
(53.8)		 17.5
(63.5)
Daily mean °C (°F) 1.6
(34.9)		 3.8
(38.8)		 6.8
(44.2)		 9.7
(49.5)		 12.7
(54.9)		 14.7
(58.5)		 15.3
(59.5)		 14.9
(58.8)		 13.2
(55.8)		 10.1
(50.2)		 5.1
(41.2)		 1.6
(34.9)		 9.1
(48.4)
Average low °C (°F) −5.9
(21.4)		 −3.9
(25.0)		 −0.7
(30.7)		 2.5
(36.5)		 6.6
(43.9)		 10.3
(50.5)		 11.4
(52.5)		 11.0
(51.8)		 9.5
(49.1)		 5.5
(41.9)		 −0.9
(30.4)		 −5.3
(22.5)		 3.3
(38.0)
Record low °C (°F) −15.6
(3.9)		 −13.1
(8.4)		 −9.4
(15.1)		 −5.6
(21.9)		 −2.0
(28.4)		 2.6
(36.7)		 3.5
(38.3)		 2.5
(36.5)		 0.0
(32.0)		 −4.8
(23.4)		 −10.5
(13.1)		 −14.4
(6.1)		 −15.6
(3.9)
Average precipitation mm (inches) 2.7
(0.11)		 4.1
(0.16)		 17.9
(0.70)		 44.1
(1.74)		 88.5
(3.48)		 195.2
(7.69)		 194.9
(7.67)		 152.2
(5.99)		 153.5
(6.04)		 53.4
(2.10)		 13.5
(0.53)		 2.5
(0.10)		 922.5
(36.31)
Average precipitation days (≥ 0.1 mm) 2.2 3.1 8.5 13.2 18.0 24.4 25.3 23.3 22.9 12.5 4.9 1.9 160.2
Average snowy days 5.5 6.1 4.9 1.6 0.3 0 0 0 0.1 0.4 2.4 3.5 24.8
Average relative humidity (%) 44 42 47 54 63 75 79 79 79 73 62 51 62
Mean monthly sunshine hours 186.0 176.0 189.0 185.6 181.9 145.3 132.1 134.5 133.0 163.1 176.1 183.7 1,986.3
Percent possible sunshine 57 55 51 48 43 35 31 33 36 46 55 58 46
Source 1: China Meteorological Administration (precipitation days, snow days, sunshine 1991–2020)[1][2]
Source 2: Weather China[3]

References
  1. 中国气象数据网 – WeatherBk Data (in Simplified Chinese). China Meteorological Administration. Retrieved 14 April 2023.
  2. 中国气象数据网 (in Simplified Chinese). China Meteorological Administration. Retrieved 14 April 2023.
  3. 九龙 - 气象数据 -中国天气网 (in Chinese). Weather China. Retrieved 28 November 2022.


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