Hailun
Hailun (simplified Chinese: 海伦; traditional Chinese: 海倫; pinyin: Hǎilún) is a city in west-central Heilongjiang province, People's Republic of China. Administratively, it is a county-level city of Suihua City.
Hailun 海伦市 Hai-lun | |
|---|---|
  Hailun Location in Heilongjiang | |
| Coordinates: 47°28′N 126°58′E | |
| Country | People's Republic of China |
| Province | Heilongjiang |
| Prefecture-level city | Suihua |
| Municipal seat | Hailun Town (海伦镇) |
| Area | |
| • Total | 4,667 km2 (1,802 sq mi) |
| Elevation | 239 m (784 ft) |
| Population (2002) | |
| • Total | 810,000 |
| • Density | 170/km2 (450/sq mi) |
| Time zone | UTC+8 (China Standard) |
| Postal code | 152300 |
| Area code(s) | 0455 |
| Climate | Dwb |
Geography and climate
Hailun is located on the Songnen Plain, with the Lesser Khingan mountain range to the west. Its administrative area ranges in latitude from 46° 58' to 47° 52' N, and in longitude from 126° 14' to 127° 45' E.
Hailun has a humid continental climate (Köppen: Dwb), with long, bitterly cold, but dry winters, and humid, very warm summers. The monthly daily mean temperature in January, the coldest month, is −21.1 °C (−6.0 °F), and July, the warmest month, averages 21.9 °C (71.4 °F), with an average annual temperature +2.48 °C (36.5 °F). Close to two-thirds of the annual precipitation falls from June to August. With monthly percent possible sunshine ranging from 53% in July to 71% in February, the city receives 2,680 hours of bright sunshine annually.
| Climate data for Hailun (1981−2010 normals) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | −0.5 (31.1) |
6.0 (42.8) |
19.1 (66.4) |
28.3 (82.9) |
33.0 (91.4) |
38.0 (100.4) |
36.6 (97.9) |
35.4 (95.7) |
32.5 (90.5) |
24.7 (76.5) |
13.5 (56.3) |
3.4 (38.1) |
38.0 (100.4) |
| Average high °C (°F) | −16.1 (3.0) |
−10.0 (14.0) |
0.0 (32.0) |
11.7 (53.1) |
20.0 (68.0) |
25.3 (77.5) |
26.6 (79.9) |
25.1 (77.2) |
19.5 (67.1) |
9.9 (49.8) |
−3.2 (26.2) |
−13.4 (7.9) |
8.0 (46.3) |
| Daily mean °C (°F) | −21.1 (−6.0) |
−15.8 (3.6) |
−5.6 (21.9) |
5.6 (42.1) |
13.6 (56.5) |
19.6 (67.3) |
21.9 (71.4) |
20.1 (68.2) |
13.5 (56.3) |
4.3 (39.7) |
−8.2 (17.2) |
−18.1 (−0.6) |
2.5 (36.5) |
| Average low °C (°F) | −25.6 (−14.1) |
−21.2 (−6.2) |
−11.1 (12.0) |
−0.2 (31.6) |
7.1 (44.8) |
13.9 (57.0) |
17.3 (63.1) |
15.5 (59.9) |
8.0 (46.4) |
−0.5 (31.1) |
−12.6 (9.3) |
−22.4 (−8.3) |
−2.6 (27.2) |
| Record low °C (°F) | −40.3 (−40.5) |
−36.6 (−33.9) |
−32.0 (−25.6) |
−16.0 (3.2) |
−7.9 (17.8) |
2.4 (36.3) |
7.1 (44.8) |
3.1 (37.6) |
−5.0 (23.0) |
−19.1 (−2.4) |
−31.1 (−24.0) |
−37.2 (−35.0) |
−40.3 (−40.5) |
| Average precipitation mm (inches) | 3.3 (0.13) |
3.0 (0.12) |
9.3 (0.37) |
24.8 (0.98) |
45.3 (1.78) |
95.8 (3.77) |
137.9 (5.43) |
134.1 (5.28) |
59.0 (2.32) |
23.8 (0.94) |
7.3 (0.29) |
6.0 (0.24) |
549.6 (21.65) |
| Average precipitation days (≥ 0.1 mm) | 4.5 | 4.0 | 4.7 | 7.2 | 10.5 | 14.6 | 14.7 | 13.5 | 11.1 | 7.2 | 5.9 | 6.3 | 104.2 |
| Average relative humidity (%) | 75 | 70 | 59 | 54 | 53 | 65 | 78 | 79 | 70 | 63 | 67 | 74 | 67 |
| Mean monthly sunshine hours | 181.6 | 204.8 | 249.8 | 236.6 | 270.8 | 265.6 | 257.2 | 251.9 | 227.7 | 208.4 | 172.8 | 152.9 | 2,680.1 |
| Percent possible sunshine | 66 | 71 | 68 | 58 | 58 | 56 | 53 | 57 | 61 | 62 | 62 | 58 | 60 |
| Source: China Meteorological Administration (precipitation days and sunshine 1971–2000)[1][2] | |||||||||||||
References
- 中国气象数据网 - WeatherBk Data (in Chinese). China Meteorological Administration. Retrieved 2020-04-15.
- 中国地面国际交换站气候标准值月值数据集（1971－2000年）. China Meteorological Administration. Archived from the original on 2013-09-21. Retrieved 2010-05-25.