| 区域 | 年份 | 年 | 春季 | 夏季 | 秋季 | 冬季 |
| 山南 | 1961~1970 | −0.4 | −0.3 | 0.0 | −0.2 | −0.9 |
| 1971~1980 | −0.5 | −0.8 | 0.0 | 0.3 | −1.7 | |
| 1981~1990 | −0.1 | −0.3 | −0.1 | 0.0 | 0.1 | |
| 1991~2000 | −0.2 | −0.1 | −0.6 | −0.6 | 0.4 | |
| 2001~2010 | 0.4 | 0.5 | 0.7 | 0.5 | −0.6 | |
| 2011~2018 | 0.6 | 1.4 | 1.2 | 0.1 | −0.4 | |
| 山北 | 1961~1970 | −1.1 | −0.6 | −1.0 | −1.5 | −1.4 |
| 1971~1980 | −1.1 | −1.2 | −1.2 | −0.7 | −1.4 | |
| 1981~1990 | −0.7 | −0.6 | −0.8 | −0.8 | −0.4 | |
| 1991~2000 | 0.1 | 0.0 | −0.1 | −0.1 | 0.4 | |
| 2001~2010 | 0.7 | 0.6 | 0.9 | 0.8 | 0.1 | |
| 2011~2018 | 0.7 | 1.4 | 1.1 | 0.1 | −0.2 |