# Henan Mongol Autonomous County

Henan Mongol Autonomous County is an autonomous county in the south of Huangnan Tibetan Autonomous Prefecture in the province of Qinghai, China, bordering Gansu Province to the south and east. Its administrative seat ("capital") is the town of Yêgainnyin (Youganning). Henan has an area of 6,250 km$^2$ (2,410 sq mi) and approximately 30,000 inhabitants (2004). The Mongols or Upper Mongols (Sogwo Arig), the overwhelming majority of the inhabitants of the county, do not speak Mongolian (with relatively few exceptions) and speak primarily Standard Chinese and Tibetan.

## Administrative divisions

Henan County is made up of 2 towns and 4 townships:
| Name | Simplified Chinese | Hanyu Pinyin | Tibetan | Wylie | Mongolian (Hudum Script) | Mongolian (Cyrillic) | Administrative division code |
| Towns ||||||||
| Yêgainnyin Town | 优干宁镇 | Yōugànníng Zhèn | གཡུ་སྒང་ཉིན་གྲོང་རྡལ། | g.yu sgang nyin grong rdal | ᠶᠧᠦ ᠭᠠᠨ ᠨᠢᠩ ᠪᠠᠯᠭᠠᠰᠤ | Ево ган нин балгас | 632324100 |
| Nyimta Town | 宁木特镇 | Níngmùtè Zhèn | ཉིན་མཐའ་གྲོང་བརྡལ། | nyin mtha' grong brdal | ᠨᠢᠮᠳᠠ ᠪᠠᠯᠭᠠᠰᠤ | Нямд балгас | 632324101 |
| Townships ||||||||
| Dosum Township | 多松乡 | Duōsōng Xiāng | མདོ་གསུམ་ཞང་། | mdo gsum zhang | ᠳᠣᠬᠰᠤᠮ ᠰᠢᠶᠠᠩ | Тогсм шиян | 632324201 |
| Sêrlung Township | 赛尔龙乡 | Sài'ěrlóng Xiāng | གསེར་ལུང་ཞང་། | gser lung zhang | ᠰᠠᠷᠯᠦᠩ ᠰᠢᠶᠠᠩ | Сарлан шиян | 632324202 |
| Kosag Township | 柯生乡 | Kēshēng Xiāng | ཁིས་སིན་ཞང་། | khis sin zhang | ᠬᠦᠢᠰᠦᠨ ᠰᠢᠶᠠᠩ | Хүйсэн шиян | 632324203 |
| Toyêma Township | 托叶玛乡 | Tuōyèmǎ Xiāng | མཐོ་ཡུལ་མ་ཞང་། | mtho yul ma zhang | ᠲᠣᠶᠢᠮ᠎ᠠ ᠰᠢᠶᠠᠩ | Доём шиян | 632324204 |

## Ethnic groups in Henan, 2000 census

| Nationality | Population | Percentage |
| Mongol | 28,879 | 89.55% |
| Han | 1,444 | 4.48% |
| Tibetan | 863 | 2.68% |
| Hui | 821 | 2.54% |
| Tu | 144 | 0.45% |
| Salar | 45 | 0.14% |
| Bai | 19 | 0.06% |
| Bonan | 13 | 0.04% |
| Dongxiang | 11 | 0.03% |
| Yi | 6 | 0.02% |
| Others | 5 | 0.02% |

## Climate

Climate data for Henan Mongol Autonomous County, elevation 3,500 m (11,500 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) | 12.2 (54.0) | 14.1 (57.4) | 18.4 (65.1) | 22.5 (72.5) | 22.4 (72.3) | 23.3 (73.9) | 26.2 (79.2) | 24.9 (76.8) | 25.1 (77.2) | 21.7 (71.1) | 14.0 (57.2) | 12.1 (53.8) | 26.2 (79.2) |
| Mean daily maximum °C (°F) | −0.8 (30.6) | 2.0 (35.6) | 5.4 (41.7) | 9.7 (49.5) | 12.6 (54.7) | 15.0 (59.0) | 17.5 (63.5) | 17.4 (63.3) | 14.1 (57.4) | 8.9 (48.0) | 4.4 (39.9) | 0.8 (33.4) | 8.9 (48.1) |
| Daily mean °C (°F) | −12.4 (9.7) | −8.5 (16.7) | −3.5 (25.7) | 1.7 (35.1) | 5.3 (41.5) | 8.7 (47.7) | 10.7 (51.3) | 10.2 (50.4) | 6.8 (44.2) | 0.9 (33.6) | −5.9 (21.4) | −11.2 (11.8) | 0.2 (32.4) |
| Mean daily minimum °C (°F) | −21.7 (−7.1) | −17.4 (0.7) | −10.9 (12.4) | −5.0 (23.0) | −0.8 (30.6) | 3.2 (37.8) | 4.9 (40.8) | 4.3 (39.7) | 1.4 (34.5) | −4.7 (23.5) | −13.3 (8.1) | −20.2 (−4.4) | −6.7 (20.0) |
| Record low °C (°F) | −37.2 (−35.0) | −33.4 (−28.1) | −29.0 (−20.2) | −19.2 (−2.6) | −11.9 (10.6) | −6.2 (20.8) | −4.0 (24.8) | −7.4 (18.7) | −9.9 (14.2) | −18.2 (−0.8) | −26.9 (−16.4) | −35.3 (−31.5) | −37.2 (−35.0) |
| Average precipitation mm (inches) | 5.7 (0.22) | 6.9 (0.27) | 14.5 (0.57) | 27.2 (1.07) | 71.8 (2.83) | 97.6 (3.84) | 109.0 (4.29) | 99.9 (3.93) | 91.0 (3.58) | 38.1 (1.50) | 6.1 (0.24) | 2.5 (0.10) | 570.3 (22.44) |
| Average precipitation days (≥ 0.1 mm) | 4.7 | 5.8 | 9.2 | 11.3 | 17.2 | 18.9 | 17.9 | 16.7 | 17.0 | 13.5 | 4.0 | 2.7 | 138.9 |
| Average snowy days | 6.3 | 8.4 | 11.7 | 12.8 | 10.6 | 1.6 | 0.2 | 0.4 | 3.3 | 13.5 | 5.9 | 4.0 | 78.7 |
| Average relative humidity (%) | 53 | 52 | 54 | 59 | 66 | 71 | 74 | 75 | 76 | 70 | 60 | 53 | 64 |
| Mean monthly sunshine hours | 215.0 | 197.5 | 219.8 | 231.6 | 215.7 | 191.6 | 210.3 | 208.9 | 172.8 | 196.2 | 225.0 | 227.2 | 2,511.6 |
| Percent possible sunshine | 68 | 63 | 59 | 59 | 50 | 44 | 48 | 51 | 47 | 57 | 73 | 75 | 58 |
| Source: China Meteorological Administration ||||||||||||||