Heyang County

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.

Heyang County 合阳县 Hoyang
County
Heyang in Weinan
Weinan in Shaanxi
Coordinates: 35°14′17″N 110°08′56″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

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 of 2016, this county is divided to 12 towns.^[2]

Towns

Chengguan (城关镇) Ganjing (甘井镇) Fang (坊镇) Qiachuan (洽川镇) Xinchi (新池镇) Heichi (黑池镇)

Lujing (路井镇) Hejiazhuang (和家庄镇) Wangcun (王村镇) Tongjiazhuang (同家庄镇) Bailiang (百良镇) Jinyu (金峪镇)

Climate

Climate data for Heyang, elevation 753 m (2,470 ft), (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
Percentage possible sunshine	57	54	55	58	55	53	53	54	48	49	54	59	54
Source: China Meteorological Administration[3][4]