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Changhai

长海县
Changhai 长海县
County
	Xiaoshuikou (小水口) Scenic Area in Xiaochangshan Island
	Location of Changhai County in Dalian
	Changhai Location in Liaoning
	Coordinates: 39°16′19″N 122°35′42″E / 39.272°N 122.595°E
Country	People's Republic of China
Province	Liaoning
Sub-provincial city	Dalian
Seat	No. 1 Changhai Square, Dachangshandao (大长山岛镇长海广场1号)
Area
• Total	156.89 km2 (60.58 sq mi)
Population (2010)
• Total	77,951
• Density	500/km2 (1,300/sq mi)
Time zone	UTC+8 (China Standard)
Postal code	116500
Dalian district map
Subdivisions of Dalian, Liaoning
1 2 3 4 5 6 7 8 9 10
	Core
1	Zhongshan
2	Xigang
3	Shahekou
4	Ganjingzi
	Suburban
5	Lüshunkou
6	Jinzhou
9	Pulandian
	Satellite
8	Wafangdian
10	Zhuanghe
	Rural
7	Changhai Co.
Division code	210224
Website	www.changhai.dl.gov.cn

Changhai County (Chinese: 长海县; pinyin: Chánghǎi Xiàn; lit. 'Long-Sea County') is a county under the administration of Dalian, Liaoning province, China. It consists of several islands in the Yellow Sea and is located offshore of the Liaodong Peninsula. There are 112 small islands and reefs in the county, traditionally called the Outer Long Mountains Island Chain (Chinese: 外长山群岛; pinyin: Wàichángshān Qúndǎo) . The county has an area of 156.89 square kilometres (60.58 sq mi) and a permanent population as of 2010^[update] of 77,951, making it Dalian's least populous county-level division,^[2]^[3] and the county government is located in the Dongshan neighborhood of the town of Dachangshandao (Chinese: 大长山岛; lit. 'Great Long-Mountain Island').

Administrative divisions

There are 5 towns in the county.^[4]

Towns:

Dachangshandao (大长山岛镇)
Zhangzidao (獐子岛镇)
Guangludao (广鹿岛镇)
Xiaochangshandao (小长山岛镇)
Haiyangdao (海洋岛镇)

Climate

Climate data for Changhai (1991–2020 normals, extremes 1981–2010)
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Record high °C (°F)	9.5 (49.1)	11.3 (52.3)	17.8 (64.0)	22.3 (72.1)	28.9 (84.0)	34.5 (94.1)	35.4 (95.7)	33.4 (92.1)	31.7 (89.1)	26.4 (79.5)	19.4 (66.9)	13.0 (55.4)	35.4 (95.7)
Mean daily maximum °C (°F)	−0.4 (31.3)	1.8 (35.2)	6.6 (43.9)	12.7 (54.9)	18.4 (65.1)	22.0 (71.6)	25.5 (77.9)	27.1 (80.8)	24.1 (75.4)	17.7 (63.9)	9.6 (49.3)	2.3 (36.1)	13.9 (57.1)
Daily mean °C (°F)	−3.7 (25.3)	−1.4 (29.5)	3.1 (37.6)	9.0 (48.2)	14.4 (57.9)	18.7 (65.7)	22.6 (72.7)	24.3 (75.7)	21.1 (70.0)	14.6 (58.3)	6.4 (43.5)	−0.9 (30.4)	10.7 (51.2)
Mean daily minimum °C (°F)	−6.3 (20.7)	−4.1 (24.6)	0.5 (32.9)	6.1 (43.0)	11.6 (52.9)	16.3 (61.3)	20.5 (68.9)	22.2 (72.0)	18.6 (65.5)	11.9 (53.4)	3.5 (38.3)	−3.7 (25.3)	8.1 (46.6)
Record low °C (°F)	−21.7 (−7.1)	−18.1 (−0.6)	−9.7 (14.5)	−1.0 (30.2)	4.6 (40.3)	9.2 (48.6)	14.7 (58.5)	15.3 (59.5)	9.4 (48.9)	−0.4 (31.3)	−12.5 (9.5)	−15.6 (3.9)	−21.7 (−7.1)
Average precipitation mm (inches)	4.4 (0.17)	9.2 (0.36)	13.1 (0.52)	35.0 (1.38)	55.3 (2.18)	79.2 (3.12)	128.0 (5.04)	161.6 (6.36)	55.1 (2.17)	31.6 (1.24)	28.2 (1.11)	9.1 (0.36)	609.8 (24.01)
Average precipitation days (≥ 0.1 mm)	2.8	3.1	3.4	6.2	7.7	8.8	10.7	8.5	5.5	5.5	5.1	3.4	70.7
Average snowy days	4.1	3.1	2.1	0.5	0	0	0	0	0	0.1	1.6	3.4	14.9
Average relative humidity (%)	57	60	63	67	73	85	89	85	73	64	61	58	70
Mean monthly sunshine hours	211.1	195.8	239.0	243.1	258.8	211.0	189.6	225.7	241.3	226.4	186.1	192.2	2,620.1
Percent possible sunshine	70	64	64	61	58	47	42	54	65	66	63	66	60
Source: China Meteorological Administration^[5]^[6]

Transport

Changhai Dachangshandao Airport

References

^ "Changhai" (Map). Google Maps. Retrieved 2014-07-02.
^ ^a ^b Dalian Statistical Yearbook 2012 (《大连统计年鉴2012》). Accessed 8 July 2014.
^ ^a ^b 2010 Census county-by-county statistics (《中国2010年人口普查分县资料》). Accessed 8 July 2014.
^ 大连市-行政区划网. XZQH.
^ 中国气象数据网 – WeatherBk Data (in Simplified Chinese). China Meteorological Administration. Retrieved 29 July 2023.
^ 中国气象数据网 (in Simplified Chinese). China Meteorological Administration. Retrieved 29 July 2023.