| 2024年 | 2025年 | 平年値 | |
| 12-13 | --- | 11 | 14.5 |
| 12-14 | --- | 11.9 | 14.1 |
| 12-15 | --- | 11.3 | 14.6 |
| 12-16 | --- | 11.4 | 15.2 |
| 12-17 | 12.3 | 11.5 | 13.5 |
| 12-18 | 12 | 12.3 | 11.9 |
| 12-19 | --- | 12.5 | 12.2 |
| 12-20 | --- | 12.8 | |
| 12-21 | 10.9 | 13.4 | |
| 12-22 | 10.5 | 12.9 | 9.3 |
| 12-23 | 9.4 | 12.6 | 9.9 |
| 12-24 | 9.5 | 13.1 | 9.3 |
| 12-25 | 8.8 | 13.1 | 10.1 |
| 12-26 | 10.3 | 11.8 | 9.7 |
| 12-27 | 11 | --- | 10.7 |