海拔范围/m | 热持续指数/d | 夏日日数/d | 暖昼日数/d | 暖夜日数/d | 冷持续指数/d | 霜日日数/d | 冷昼日数/d | 冷夜日数/d |
50~100 | 2 | 143 | 20 | 18 | 2 | 78 | 20 | 20 |
100~150 | 3 | 142 | 19 | 18 | 2 | 70 | 20 | 20 |
150~350 | 3 | 140 | 19 | 18 | 3 | 67 | 21 | 21 |
350~600 | 3 | 132 | 19 | 19 | 2 | 92 | 21 | 21 |
600~700 | 3 | 115 | 19 | 19 | 3 | 98 | 21 | 21 |