# Tongzi County

Tongzi (Chinese: 桐梓; pinyin: Tóngzǐ) is a county under the administration of the prefecture-level city of Zunyi, in the north of Guizhou province, China, bordering Chongqing to the north.
The county government is located in the town of Loushanguan.

## Administrative divisions

Tongzi County is divided into 2 subdistricts, 20 towns, 2 townships and 1 ethnic township:

### subdistricts

* Loushanguan Subdistrict 娄山关街道
* Haixiao Subdistrict 海校街道

### towns

* Chumi Town 楚米镇
* Xinzhan Town 新站镇
* Songkan Town 松坎镇
* Gaoqiao Town 高桥镇
* Shuibatang Town 水坝塘镇
* Guancang Town 官仓镇
* Huaqiu Town 花秋镇
* Yangdeng Town 羊磴镇
* Jiuba Town 九坝镇
* Dahe Town 大河镇
* Yelang Town 夜郎镇
* Mugua Town 木瓜镇
* Podu Town 坡渡镇
* Liaoyuan Town 燎原镇
* Shixi Town 狮溪镇
* Maoshi Town 茅石镇
* Yaolongshan Town 尧龙山镇
* Fengshui Town 风水镇
* Rongguang Town 容光镇
* Bajiao Town 芭蕉镇

### townships

* Xiaoshui Township 小水乡
* Huanglian Township 黄莲乡

### ethnic township

* Mazong Miao Ethnic Township 马鬃苗族乡

## Transportation
### Rail

* Chuanqian Railway
* Chongqing–Guiyang high-speed railway

### Roads

* Chongzun Expressway
* China National Highway 210
* China National Highway 050

## Climate

Climate data for Tongzi, elevation 972 m (3,189 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) | 22.4 (72.3) | 30.3 (86.5) | 31.7 (89.1) | 33.0 (91.4) | 35.1 (95.2) | 33.4 (92.1) | 35.9 (96.6) | 36.6 (97.9) | 36.4 (97.5) | 32.8 (91.0) | 27.1 (80.8) | 21.1 (70.0) | 36.6 (97.9) |
| Mean daily maximum °C (°F) | 7.2 (45.0) | 10.2 (50.4) | 14.9 (58.8) | 20.3 (68.5) | 23.9 (75.0) | 26.1 (79.0) | 29.3 (84.7) | 29.5 (85.1) | 25.4 (77.7) | 19.3 (66.7) | 14.8 (58.6) | 9.1 (48.4) | 19.2 (66.5) |
| Daily mean °C (°F) | 4.5 (40.1) | 6.7 (44.1) | 10.7 (51.3) | 15.7 (60.3) | 19.2 (66.6) | 21.9 (71.4) | 24.6 (76.3) | 24.3 (75.7) | 20.8 (69.4) | 15.7 (60.3) | 11.3 (52.3) | 6.2 (43.2) | 15.1 (59.2) |
| Mean daily minimum °C (°F) | 2.6 (36.7) | 4.5 (40.1) | 8.0 (46.4) | 12.4 (54.3) | 15.8 (60.4) | 18.9 (66.0) | 21.3 (70.3) | 20.6 (69.1) | 17.6 (63.7) | 13.3 (55.9) | 8.9 (48.0) | 4.2 (39.6) | 12.3 (54.2) |
| Record low °C (°F) | −4.7 (23.5) | −4.4 (24.1) | −4.5 (23.9) | 2.7 (36.9) | 6.6 (43.9) | 12.3 (54.1) | 13.3 (55.9) | 14.1 (57.4) | 9.5 (49.1) | 4.1 (39.4) | −2.1 (28.2) | −5.3 (22.5) | −5.3 (22.5) |
| Average precipitation mm (inches) | 17.3 (0.68) | 15.9 (0.63) | 42.5 (1.67) | 76.5 (3.01) | 133.6 (5.26) | 187.5 (7.38) | 148.4 (5.84) | 127.1 (5.00) | 102.9 (4.05) | 97.0 (3.82) | 37.4 (1.47) | 17.8 (0.70) | 1,003.9 (39.51) |
| Average precipitation days (≥ 0.1 mm) | 13.0 | 11.4 | 13.9 | 15.4 | 17.6 | 17.6 | 13.3 | 12.4 | 12.5 | 17.1 | 12.0 | 11.9 | 168.1 |
| Average snowy days | 5.8 | 2.9 | 0.8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 1.9 | 11.5 |
| Average relative humidity (%) | 80 | 78 | 77 | 77 | 77 | 80 | 76 | 75 | 77 | 82 | 80 | 80 | 78 |
| Mean monthly sunshine hours | 25.6 | 38.1 | 64.4 | 89.8 | 100.0 | 90.5 | 156.4 | 168.2 | 112.2 | 60.2 | 58.4 | 38.2 | 1,002 |
| Percent possible sunshine | 8 | 12 | 17 | 23 | 24 | 22 | 37 | 42 | 31 | 17 | 18 | 12 | 22 |
| Source: China Meteorological Administration ||||||||||||||