| Province (sampling site, weather stations) | Annual average temperature (˚C) | Altitude (m) | Average humidity (%) | Average temperature variation (˚C) | Sunlight hours (h/day) |
| Sichuan (Chengdu, Wenjiang) | 16 | 505.9 | 82 | 19.7 | 2.9 |
| Tibet (Lhasa, Maizhokunggar) | 6.3 | 3658.0 | 47 | 17.1 | 6.7 |
| Yunnan (Kunming, Kunming) | 15.5 | 1891.4 | 71 | 11.3 | 4.3 |
| Hainan (Haikou, Haikou) | 24.8 | 14.1 | 82 | 10.7 | 3.8 |
| Heilongjiang (Harbin, Harbin) | 4.9 | 171.7 | 64 | 40.7 | 4.4 |
| Inner Mongolia (Hohhot, Hohhot) | 7.3 | 1063.0 | 52 | 34.3 | 5.6 |
| Xinjiang (Urumqi, Tianchi) | 2.3 | 917.9 | 61 | 26.4 | 4.6 |
| Qinghai (Xining, Xining) | 6.1 | 2261.2 | 56 | 24.7 | 5.4 |
| Q value | 1.000 | 0.456 | 0.864 | 0.788 | 0.701 |
| P value | 0.000 | 0.930 | 0.837 | 0.809 | 0.428 |