Ulan County
Ulan County 
    ᠤᠯᠠᠭᠠᠨ ᠰᠢᠶᠠᠨ · དབུས་ལམ་རྫོང་། · 乌兰县 Wulan  | |
|---|---|
Chaka Salt Lake, Ulan County  | |
![]() Location of Ulan County (red) within Haixi Prefecture (yellow) and Qinghai  | |
![]() Ulan Location of the county seat in Qinghai  | |
| Coordinates: 36°49′N 98°17′E / 36.817°N 98.283°E | |
| Country | China | 
| Province | Qinghai | 
| Autonomous prefecture | Haixi | 
| County seat | Xireg | 
| Area | |
 • Total  | 12,858.16 km2 (4,964.56 sq mi) | 
| Population  (2020)  | |
 • Total  | 31,507 | 
| • Density | 2.5/km2 (6.3/sq mi) | 
| [1] | |
| Time zone | UTC+8 (China Standard) | 
| Website | www | 
| Ulan County | |||||||
|---|---|---|---|---|---|---|---|
| Chinese name | |||||||
| Simplified Chinese | 乌兰县 | ||||||
| Traditional Chinese | 烏蘭縣 | ||||||
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| Tibetan name | |||||||
| Tibetan | དབུས་ལམ་རྫོང་། | ||||||
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| Mongolian name | |||||||
| Mongolian script | ᠤᠯᠠᠭᠠᠨ ᠰᠢᠶᠠᠨ | ||||||
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Ulan or Wulan (Mongolian: ᠤᠯᠠᠭᠠᠨ ᠰᠢᠶᠠᠨ; Tibetan: དབུས་ལམ་རྫོང་།; Chinese: 乌兰县) is a county of Qinghai Province, China. It is under the administration of Haixi Mongol and Tibetan Autonomous Prefecture. County seat is Xireg.
The name of the county comes from a Mongolian word which means "red".
Administrative divisions
Ulan County is divided into 4 towns.
| Name | Simplified Chinese | Hanyu Pinyin | Tibetan | Wylie | Mongolian (traditional script) | Mongolian (Cyrillic) | Administrative division code | 
|---|---|---|---|---|---|---|---|
| Towns | |||||||
| Xireg Town (Xirig, Xiligou)  | 
希里沟镇 | Xīlǐgōu Zhèn | ᠰᠢᠷᠢᠭᠢ ᠪᠠᠯᠭᠠᠰᠤ | Ширх балгас | 632821100 | ||
| Qaka Town (Chaka, Caka)  | 
茶卡镇 | Chákǎ Zhèn | ཚྭ་ཁ་གྲོང་རྡལ། | tshwa kha grong rdal | ᠴᠠᠺᠠ ᠪᠠᠯᠭᠠᠰᠤ | Цака балгас | 632821101 | 
| Hohod Town (Keke)  | 
柯柯镇 | Kēkē Zhèn | ᠬᠥᠬᠡᠳ ᠪᠠᠯᠭᠠᠰᠤ | Хээд балгас | 632821102 | ||
| Tongpu Town (Toinbo)  | 
铜普镇 | Tóngpǔ Zhèn | མཐོན་པོ་གྲོང་རྡལ། | mthon po grong rdal | ᠲᠤᠩᠫᠦ᠋ ᠪᠠᠯᠭᠠᠰᠤ | Тунпу балгас | 632821103 | 
Other: Mohe Livestock Farm, Haixi Prefecture (海西州莫河畜牧场)
Climate
| Climate data for Ulan, elevation 2,950 m (9,680 ft), (1991–2020 normals, extremes 1991–present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year | 
| Record high °C (°F) | 9.9 (49.8)  | 
14.1 (57.4)  | 
21.7 (71.1)  | 
28.5 (83.3)  | 
28.4 (83.1)  | 
30.2 (86.4)  | 
34.0 (93.2)  | 
33.1 (91.6)  | 
29.0 (84.2)  | 
24.0 (75.2)  | 
17.0 (62.6)  | 
11.1 (52.0)  | 
34.0 (93.2)  | 
| Mean daily maximum °C (°F) | −1.8 (28.8)  | 
2.7 (36.9)  | 
7.8 (46.0)  | 
13.8 (56.8)  | 
17.8 (64.0)  | 
20.8 (69.4)  | 
23.1 (73.6)  | 
23.0 (73.4)  | 
18.9 (66.0)  | 
12.2 (54.0)  | 
5.0 (41.0)  | 
−0.6 (30.9)  | 
11.9 (53.4)  | 
| Daily mean °C (°F) | −10.6 (12.9)  | 
−5.8 (21.6)  | 
−0.1 (31.8)  | 
6.1 (43.0)  | 
10.8 (51.4)  | 
14.1 (57.4)  | 
16.2 (61.2)  | 
15.7 (60.3)  | 
11.3 (52.3)  | 
4.0 (39.2)  | 
−3.6 (25.5)  | 
−9.5 (14.9)  | 
4.1 (39.3)  | 
| Mean daily minimum °C (°F) | −17.2 (1.0)  | 
−12.7 (9.1)  | 
−6.8 (19.8)  | 
−0.9 (30.4)  | 
3.9 (39.0)  | 
7.9 (46.2)  | 
10.2 (50.4)  | 
9.7 (49.5)  | 
5.4 (41.7)  | 
−2.2 (28.0)  | 
−9.9 (14.2)  | 
−15.9 (3.4)  | 
−2.4 (27.7)  | 
| Record low °C (°F) | −27.5 (−17.5)  | 
−26.8 (−16.2)  | 
−19.5 (−3.1)  | 
−12.5 (9.5)  | 
−6.2 (20.8)  | 
−1.8 (28.8)  | 
2.2 (36.0)  | 
−0.4 (31.3)  | 
−4.2 (24.4)  | 
−13.8 (7.2)  | 
−20.2 (−4.4)  | 
−28.3 (−18.9)  | 
−28.3 (−18.9)  | 
| Average precipitation mm (inches) | 2.2 (0.09)  | 
2.2 (0.09)  | 
3.6 (0.14)  | 
6.9 (0.27)  | 
25.8 (1.02)  | 
43.1 (1.70)  | 
54.2 (2.13)  | 
38.3 (1.51)  | 
22.4 (0.88)  | 
4.6 (0.18)  | 
1.7 (0.07)  | 
0.9 (0.04)  | 
205.9 (8.12)  | 
| Average precipitation days (≥ 0.1 mm) | 2.9 | 2.3 | 2.9 | 3.3 | 7.3 | 11.1 | 11.6 | 9.5 | 6.6 | 2.5 | 1.5 | 1.3 | 62.8 | 
| Average snowy days | 4.0 | 3.2 | 4.3 | 3.8 | 2.0 | 0.2 | 0.1 | 0.1 | 0.1 | 1.8 | 2.2 | 2.2 | 24 | 
| Average relative humidity (%) | 43 | 35 | 31 | 33 | 40 | 51 | 56 | 54 | 51 | 40 | 40 | 41 | 43 | 
| Mean monthly sunshine hours | 223.7 | 215.4 | 244.8 | 267.9 | 276.6 | 251.7 | 263.0 | 260.0 | 240.4 | 257.8 | 237.3 | 227.5 | 2,966.1 | 
| Percentage possible sunshine | 72 | 70 | 65 | 67 | 63 | 57 | 59 | 63 | 66 | 75 | 79 | 76 | 68 | 
| Source: China Meteorological Administration[2][3] | |||||||||||||
| Climate data for Chaka, Ulan County, elevation 3,088 m (10,131 ft), (1991–2020 normals) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year | 
| Mean daily maximum °C (°F) | −2.2 (28.0)  | 
1.7 (35.1)  | 
6.8 (44.2)  | 
12.7 (54.9)  | 
16.6 (61.9)  | 
19.2 (66.6)  | 
21.5 (70.7)  | 
21.3 (70.3)  | 
17.2 (63.0)  | 
10.9 (51.6)  | 
4.1 (39.4)  | 
−1.0 (30.2)  | 
10.7 (51.3)  | 
| Daily mean °C (°F) | −10.9 (12.4)  | 
−7.1 (19.2)  | 
−1.8 (28.8)  | 
4.5 (40.1)  | 
9.2 (48.6)  | 
12.5 (54.5)  | 
14.9 (58.8)  | 
14.3 (57.7)  | 
9.9 (49.8)  | 
2.6 (36.7)  | 
−5.0 (23.0)  | 
−9.8 (14.4)  | 
2.8 (37.0)  | 
| Mean daily minimum °C (°F) | −18.2 (−0.8)  | 
−14.7 (5.5)  | 
−9.2 (15.4)  | 
−3.3 (26.1)  | 
2.1 (35.8)  | 
6.4 (43.5)  | 
9.0 (48.2)  | 
8.4 (47.1)  | 
4.1 (39.4)  | 
−4.1 (24.6)  | 
−12.1 (10.2)  | 
−16.9 (1.6)  | 
−4.0 (24.7)  | 
| Average precipitation mm (inches) | 1.2 (0.05)  | 
1.8 (0.07)  | 
3.3 (0.13)  | 
7.5 (0.30)  | 
26.3 (1.04)  | 
51.3 (2.02)  | 
58.8 (2.31)  | 
48.2 (1.90)  | 
27.2 (1.07)  | 
4.9 (0.19)  | 
1.4 (0.06)  | 
0.5 (0.02)  | 
232.4 (9.16)  | 
| Average precipitation days (≥ 0.1 mm) | 1.9 | 2.0 | 2.7 | 3.6 | 8.4 | 12.2 | 13.6 | 11.0 | 7.8 | 2.6 | 0.9 | 0.7 | 67.4 | 
| Average snowy days | 2.8 | 2.9 | 4.3 | 4.0 | 2.4 | 0.2 | 0 | 0 | 0 | 1.8 | 1.7 | 1.2 | 21.3 | 
| Average relative humidity (%) | 36 | 33 | 31 | 33 | 44 | 55 | 59 | 58 | 56 | 43 | 35 | 35 | 43 | 
| Mean monthly sunshine hours | 231.2 | 221.4 | 255.2 | 269.9 | 267.5 | 233.5 | 248.5 | 253.2 | 235.7 | 261.3 | 245.1 | 233.5 | 2,956 | 
| Percentage possible sunshine | 75 | 72 | 68 | 68 | 61 | 53 | 56 | 61 | 64 | 76 | 81 | 78 | 68 | 
| Source: China Meteorological Administration[2][3] | |||||||||||||
Transportation
The county is served by the Qinghai-Tibet Railway, which has a station at the county seat. There is also a freight-only branch to the salt works on the Chaka Salt Lake near Chaka Town, in the southeastern part of the county.
References
- ^ "海西州第七次全国人口普查公报(第二号)——各市县、行委常住人口情况" (in Chinese). Government of Haixi Prefecture. 2021-07-02.
 - ^ a b 中国气象数据网 – WeatherBk Data (in Simplified Chinese). China Meteorological Administration. Retrieved 27 September 2023.
 - ^ a b 中国气象数据网 (in Simplified Chinese). China Meteorological Administration. Retrieved 27 September 2023.
 
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