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Donglan County

Donglan County
东兰县 • Dunghlanz Yen
Tunglan
County
Donglan is located in Guangxi
Donglan
Donglan
Location of the seat in Guangxi
Coordinates: 24°31′N 107°22′E / 24.517°N 107.367°E / 24.517; 107.367
CountryChina
RegionGuangxi
Prefecture-level cityHechi
County seatDonglan Town (东兰镇)
Area
 • Total
2,435 km2 (940 sq mi)
Elevation
260 m (850 ft)
Population
 (2020)
 • Total
219,549
 • Density90/km2 (230/sq mi)
Time zoneUTC+8 (China Standard)
Websitearchived link

Donglan County (simplified Chinese: 东兰县; traditional Chinese: 東蘭縣; pinyin: Dōnglán Xiàn, Zhuang: Dunghlanz Yen) is a county of northwest Guangxi, China. It is under the administration of Hechi City.

Donglan County has given its name to the Donglan golden-line barbel (Sinocyclocheilus donglanensis), a small fish that is only known from one cave in Donglan.[1][2]

Administrative divisions

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There are 6 towns, 7 townships and 1 ethnic township in the county:[3]

Towns

Donglan Town (东兰镇), Aidong (隘洞镇), Changle (长乐镇), Sanshi (三石镇), Wuzhuan (武篆镇), Changjiang (长江镇)

Townships

Simeng Township (泗孟乡), Lanmu Township (兰木乡), Bachou Township (巴畴乡), Jingu Township (金谷乡), Datong Township (大同乡), Huaxiang Township (花香乡), Chuxue Township (切学乡)

Ethnic township

Sannong Yao Ethnic Township (三弄瑶族乡)

Climate

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Climate data for Donglan (1991–2020 normals, extremes 1981–2010)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 29.0
(84.2) 		33.4
(92.1) 		35.9
(96.6) 		36.9
(98.4) 		38.1
(100.6) 		37.1
(98.8) 		38.0
(100.4) 		38.0
(100.4) 		38.2
(100.8) 		34.8
(94.6) 		32.0
(89.6) 		29.6
(85.3) 		38.2
(100.8)
Mean daily maximum °C (°F) 15.5
(59.9) 		18.2
(64.8) 		21.6
(70.9) 		26.8
(80.2) 		29.9
(85.8) 		31.5
(88.7) 		32.7
(90.9) 		33.0
(91.4) 		31.1
(88.0) 		27.0
(80.6) 		23.0
(73.4) 		17.9
(64.2) 		25.7
(78.2)
Daily mean °C (°F) 11.3
(52.3) 		13.6
(56.5) 		16.9
(62.4) 		21.6
(70.9) 		24.5
(76.1) 		26.4
(79.5) 		27.2
(81.0) 		26.8
(80.2) 		24.9
(76.8) 		21.1
(70.0) 		17.1
(62.8) 		12.6
(54.7) 		20.3
(68.6)
Mean daily minimum °C (°F) 8.7
(47.7) 		10.8
(51.4) 		14.0
(57.2) 		18.2
(64.8) 		21.1
(70.0) 		23.4
(74.1) 		24.0
(75.2) 		23.5
(74.3) 		21.4
(70.5) 		17.9
(64.2) 		13.7
(56.7) 		9.4
(48.9) 		17.2
(62.9)
Record low °C (°F) −1.0
(30.2) 		0.1
(32.2) 		2.0
(35.6) 		7.8
(46.0) 		11.2
(52.2) 		14.8
(58.6) 		17.5
(63.5) 		19.4
(66.9) 		13.2
(55.8) 		7.6
(45.7) 		2.9
(37.2) 		−1.7
(28.9) 		−1.7
(28.9)
Average precipitation mm (inches) 38.6
(1.52) 		29.5
(1.16) 		62.4
(2.46) 		96.3
(3.79) 		232.9
(9.17) 		375.9
(14.80) 		300.7
(11.84) 		201.2
(7.92) 		114.8
(4.52) 		92.3
(3.63) 		51.6
(2.03) 		34.1
(1.34) 		1,630.3
(64.18)
Average precipitation days (≥ 0.1 mm) 12.0 10.4 14.0 13.8 16.1 19.1 19.9 16.2 10.9 9.8 9.0 8.2 159.4
Average snowy days 0.2 0 0 0 0 0 0 0 0 0 0 0.2 0.4
Average relative humidity (%) 79 78 78 78 81 85 84 84 82 82 81 78 81
Mean monthly sunshine hours 47.6 59.5 69.9 107.8 135.2 123.2 160.4 179.2 153.7 118.9 102.2 81.4 1,339
Percent possible sunshine 14 19 19 28 33 30 39 45 42 33 31 25 30
Source: China Meteorological Administration[4][5]

References

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  1. ^ Zhao, Yahui; Watanabe, Katsutoshi; Zhang, Chunguang (2006). "Sinocyclocheilus donglanensis, a new cavefish (Teleostei: Cypriniformes) from Guangxi, China". Ichthyological Research. 53 (2): 121–128. doi:10.1007/s10228-005-0317-z. S2CID 36978051.
  2. ^ Noakes, David; Romero Aldemaro; Yahui Zhao; Yingqi Zhou (18 November 2009). Chinese Fishes. Springer Science & Business Media. p. 225. ISBN 978-90-481-3458-8.
  3. ^ 2023年统计用区划代码和城乡划分代码：东兰县 (in Simplified Chinese). National Bureau of Statistics of China.
  4. ^ 中国气象数据网 – WeatherBk Data (in Simplified Chinese). China Meteorological Administration. Retrieved 28 May 2023.
  5. ^ 中国气象数据网 (in Simplified Chinese). China Meteorological Administration. Retrieved 28 May 2023.
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