| 海拔区间 | 气象站点记录 | 临界气温（℃） | ||||||
|---|---|---|---|---|---|---|---|---|
| 0.0~2.0 | 0.0~3.0 | -1.0~2.0 | -1.0~3.0 | 0.0~2.5 | -0.5~2.0 | -0.5~2.5 | ||
| 1000 m以下 | 9.8 | 22.7 | 25.9 | 22.7 | 25.9 | 24.1 | 22.7 | 24.1 |
| 1000~2000 m | 7.3 | 15.9 | 18.3 | 15.9 | 18.3 | 17.1 | 15.9 | 17.1 |
| 2000~3000 m | 23.2 | 36.0 | 41.4 | 36.0 | 41.4 | 38.3 | 36.0 | 38.3 |
| 3000~4000 m | 63.0 | 52.3 | 65.9 | 52.3 | 65.9 | 58.3 | 52.3 | 58.3 |
| 4000 m以上 | 74.4 | 79.7 | 100.9 | 79.7 | 100.9 | 89.1 | 79.7 | 89.1 |
