Heyang County 
    合阳县 Hoyang  | |
|---|---|
![]() Heyang in Weinan  | |
![]() Weinan in Shaanxi  | |
| Coordinates: 35°14′17″N 110°08′56″E / 35.238°N 110.149°E | |
| Country | People's Republic of China | 
| Province | Shaanxi | 
| Prefecture-level city | Weinan | 
| Area | |
| • Total | 1,437 km2 (555 sq mi) | 
| Population  (2019)  | |
| • Total | 510,000 | 
| • Density | 350/km2 (920/sq mi) | 
| Time zone | UTC+8 (China standard time) | 
| Postal code | 715300  | 
| Licence plates | 陕E | 
Heyang County (simplified Chinese: 合阳县; traditional Chinese: 合陽縣; pinyin: Héyáng Xiàn, 郃陽) is a county in Shaanxi Province, China, bordering Shanxi Province to the east across the Yellow River. It is under the administration of the prefecture-level city of Weinan.
History
Heyang County dates to at least the early Han, when Liu Bang's elder brother Liu Xi was demoted to being its marquess after fleeing a Xiongnu attack on Dai c. 200 BC.
Legacy
A species of stone loach, Triplophysa heyangensis, is named after Heyang County where it was first discovered.[1]
Administrative divisions
As 2016, this county is divided to 12 towns.[2]
- Towns
 
  | 
  | 
Climate
| Climate data for Heyang (1991–2020 normals, extremes 1981–2010) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year | 
| Record high °C (°F) | 16.2 (61.2)  | 
20.5 (68.9)  | 
27.7 (81.9)  | 
36.8 (98.2)  | 
37.1 (98.8)  | 
39.2 (102.6)  | 
39.2 (102.6)  | 
37.7 (99.9)  | 
37.3 (99.1)  | 
30.2 (86.4)  | 
23.6 (74.5)  | 
18.8 (65.8)  | 
39.2 (102.6)  | 
| Mean daily maximum °C (°F) | 3.8 (38.8)  | 
7.9 (46.2)  | 
14.1 (57.4)  | 
20.9 (69.6)  | 
25.8 (78.4)  | 
29.9 (85.8)  | 
30.8 (87.4)  | 
28.9 (84.0)  | 
24.1 (75.4)  | 
18.3 (64.9)  | 
11.4 (52.5)  | 
5.4 (41.7)  | 
18.4 (65.2)  | 
| Daily mean °C (°F) | −1.7 (28.9)  | 
2.1 (35.8)  | 
8.1 (46.6)  | 
14.5 (58.1)  | 
19.5 (67.1)  | 
24.0 (75.2)  | 
25.5 (77.9)  | 
23.8 (74.8)  | 
19.0 (66.2)  | 
12.9 (55.2)  | 
5.9 (42.6)  | 
−0.2 (31.6)  | 
12.8 (55.0)  | 
| Mean daily minimum °C (°F) | −6.0 (21.2)  | 
−2.2 (28.0)  | 
3.2 (37.8)  | 
8.7 (47.7)  | 
13.5 (56.3)  | 
18.4 (65.1)  | 
21.1 (70.0)  | 
19.9 (67.8)  | 
15.1 (59.2)  | 
8.7 (47.7)  | 
1.6 (34.9)  | 
−4.4 (24.1)  | 
8.1 (46.7)  | 
| Record low °C (°F) | −19.0 (−2.2)  | 
−15.0 (5.0)  | 
−12.7 (9.1)  | 
−4.3 (24.3)  | 
−0.8 (30.6)  | 
7.4 (45.3)  | 
13.3 (55.9)  | 
11.5 (52.7)  | 
2.6 (36.7)  | 
−6.0 (21.2)  | 
−16.5 (2.3)  | 
−21.2 (−6.2)  | 
−21.2 (−6.2)  | 
| Average precipitation mm (inches) | 6.2 (0.24)  | 
9.7 (0.38)  | 
15.4 (0.61)  | 
31.7 (1.25)  | 
47.7 (1.88)  | 
61.8 (2.43)  | 
99.9 (3.93)  | 
104.7 (4.12)  | 
79.9 (3.15)  | 
48.6 (1.91)  | 
19.9 (0.78)  | 
3.3 (0.13)  | 
528.8 (20.81)  | 
| Average precipitation days (≥ 0.1 mm) | 3.2 | 3.7 | 4.4 | 6.1 | 7.9 | 8.0 | 10.3 | 9.8 | 9.9 | 7.7 | 5.4 | 2.5 | 78.9 | 
| Average snowy days | 4.0 | 3.3 | 1.7 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 1.6 | 3.1 | 13.9 | 
| Average relative humidity (%) | 53 | 54 | 52 | 55 | 56 | 58 | 70 | 74 | 74 | 70 | 64 | 54 | 61 | 
| Mean monthly sunshine hours | 179.8 | 167.8 | 206.9 | 229.9 | 240.5 | 230.9 | 231.6 | 221.1 | 175.9 | 170.6 | 164.2 | 178.6 | 2,397.8 | 
| Percent possible sunshine | 57 | 54 | 55 | 58 | 55 | 53 | 53 | 54 | 48 | 49 | 54 | 59 | 54 | 
| Source: China Meteorological Administration[3][4] | |||||||||||||
References
- ↑ Eschmeyer, W. N.; Fricke, R., eds. (3 December 2015). "Catalog of Fishes". California Academy of Sciences. Retrieved 20 December 2015.
 - ↑ "合阳县-行政区划网(区划地名网) www.xzqh.org". www.xzqh.org. Retrieved 2016-11-12.
 - ↑ 中国气象数据网 – WeatherBk Data (in Simplified Chinese). China Meteorological Administration. Retrieved 26 August 2023.
 - ↑ 中国气象数据网 (in Simplified Chinese). China Meteorological Administration. Retrieved 26 August 2023.
 
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