| 2024年 | 2025年 | 平年値 | |
| 12-14 | --- | 12.8 | 13.2 |
| 12-15 | --- | 11.8 | 12.5 |
| 12-16 | --- | 10.8 | 12.6 |
| 12-17 | --- | 10.9 | 11.7 |
| 12-18 | --- | 11.9 | 10.4 |
| 12-19 | 11.1 | 11.4 | 10.1 |
| 12-20 | 9.9 | 11.9 | 9.3 |
| 12-21 | 9.9 | 12.7 | 9.2 |
| 12-22 | --- | 12.6 | 9 |
| 12-23 | --- | 12.1 | 9 |
| 12-24 | --- | 12.6 | 10 |
| 12-25 | --- | 12.9 | 10 |
| 12-26 | --- | 11.7 | 10 |
| 12-27 | --- | 9.9 | 10.3 |
| 12-28 | 10.1 | 9.3 | 9.8 |