Youyu County
Youyu County, also known by its Chinese name Youyuxian, is a county under the administration of the prefecture-level city of Shuozhou, in the northwest of Shanxi Province, China. It borders Inner Mongolia to the north and west.
Youyu County 右玉县 Yuyu | |
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County | |
 Youyu in Shuozhou | |
.png) Shuozhou in Shanxi | |
| Coordinates: 39°59′20″N 112°28′01″E | |
| Country | People's Republic of China |
| Province | Shanxi |
| Prefecture-level city | Shuozhou |
| Time zone | UTC+8 (China Standard) |
| Youyu County | |||||||||
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| Traditional Chinese | 右玉縣 | ||||||||
| Simplified Chinese | 右玉县 | ||||||||
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| Former names | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Shanwu | |||||||||
| Traditional Chinese | 善無 | ||||||||
| Simplified Chinese | 善无 | ||||||||
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| Yanmen Commandery | |||||||||
| Traditional Chinese | 雁門郡 鴈門郡 | ||||||||
| Simplified Chinese | 雁门郡 | ||||||||
| Literal meaning | Yanmen Pass Commandery | ||||||||
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History
Shanwu,[1] south of present-day Youyuxian, was the seat of Yanmen Commandery during the Qin and Western Han.[2] The post moved to Yinguan southeast of present-day Shuozhou under the Eastern Han and further south to Daixian under the Kingdom of Wei.[1]
Geography
Elevations are generally higher in the south of the county, in which flows the Cangtou River (苍头河); Youyu reaches a north-south extent of 67.7 km (42.1 mi) and east-west width of 45.7 km (28.4 mi). The Great Wall demarcates the northwestern border with Inner Mongolia's Liangcheng and Horinger counties; within the province, Youyu borders Zuoyun County to the east, Shanyin County and Pinglu District to the south.
Climate
Youyu has a monsoon-influenced, humid continental climate (Köppen Dwb), with cold and very dry winters, and warm, humid summers. The monthly 24-hour average temperature ranges from −14.4 °C (6.1 °F) in January to 19.5 °C (67.1 °F) in July, and the annual mean is 3.93 °C (39.1 °F). June thru September accounts for over three-fourths of the 410 millimetres (16 in) of annual precipitation. Due to the high elevation and dry climate, the diurnal temperature variation averages 16 °C (29 °F) annually.
| Climate data for Youyu County (1971−2000) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 9.6 (49.3) |
15.4 (59.7) |
20.5 (68.9) |
32.5 (90.5) |
33.4 (92.1) |
32.8 (91.0) |
34.4 (93.9) |
34.0 (93.2) |
33.1 (91.6) |
26.8 (80.2) |
19.5 (67.1) |
11.3 (52.3) |
34.4 (93.9) |
| Average high °C (°F) | −4.9 (23.2) |
−1.1 (30.0) |
5.5 (41.9) |
14.5 (58.1) |
21.4 (70.5) |
25.2 (77.4) |
26.3 (79.3) |
24.6 (76.3) |
19.9 (67.8) |
13.3 (55.9) |
4.2 (39.6) |
−2.9 (26.8) |
12.2 (53.9) |
| Daily mean °C (°F) | −14.4 (6.1) |
−10.5 (13.1) |
−2.6 (27.3) |
6.1 (43.0) |
13.2 (55.8) |
17.7 (63.9) |
19.5 (67.1) |
17.6 (63.7) |
11.8 (53.2) |
4.7 (40.5) |
−4.3 (24.3) |
−11.6 (11.1) |
3.9 (39.0) |
| Average low °C (°F) | −22.4 (−8.3) |
−18.6 (−1.5) |
−10.5 (13.1) |
−2.9 (26.8) |
3.7 (38.7) |
9.2 (48.6) |
12.7 (54.9) |
11.1 (52.0) |
4.4 (39.9) |
−2.5 (27.5) |
−11.1 (12.0) |
−19 (−2) |
−3.8 (25.1) |
| Record low °C (°F) | −40.4 (−40.7) |
−36.8 (−34.2) |
−29.3 (−20.7) |
−17.4 (0.7) |
−12.6 (9.3) |
−2.1 (28.2) |
3.0 (37.4) |
0.2 (32.4) |
−8.0 (17.6) |
−14.0 (6.8) |
−32.2 (−26.0) |
−34.1 (−29.4) |
−40.4 (−40.7) |
| Average precipitation mm (inches) | 2.2 (0.09) |
3.5 (0.14) |
9.9 (0.39) |
17.5 (0.69) |
34.0 (1.34) |
60.2 (2.37) |
107.0 (4.21) |
98.0 (3.86) |
50.9 (2.00) |
18.7 (0.74) |
7.0 (0.28) |
1.5 (0.06) |
410.4 (16.17) |
| Average precipitation days (≥ 0.1 mm) | 2.3 | 3.4 | 5.4 | 4.7 | 6.4 | 9.8 | 14.1 | 13.0 | 8.7 | 5.6 | 3.6 | 2.2 | 79.2 |
| Source: Weather China | |||||||||||||
References
Citations
- Xiong (2009), s.v. "Yanmen".
- Li (2017), s.v. "Yanmen".
Bibliography
- www.xzqh.org (in Chinese)
- Hymn of Youyu County Spirit - Cursive Script
- Li Shizhen (2017), Hua Linfu; et al. (eds.), Ben Cao Gang Mu Dictionary, Vol. II: Geographical and Administrative Designations, Berkeley: University of California Press.
- Xiong, Victor Cunrui (2009), Historical Dictionary of Medieval China, Historical Dictionaries of Ancient Civilizations and Historical Eras, No. 19, Lanham: Scarecrow Press.
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