| 2024年 | 2025年 | 平年値 | |
| 11-24 | 18.4 | --- | 18.1 |
| 11-25 | 18.2 | --- | 17.7 |
| 11-26 | 18.4 | --- | 17.4 |
| 11-27 | 18.3 | --- | 17.6 |
| 11-28 | 18.1 | --- | 17.3 |
| 11-29 | 17.4 | --- | 16.8 |
| 11-30 | 17.5 | --- | 16.6 |
| 12-1 | 17.1 | --- | 16.9 |
| 12-2 | 17.1 | --- | 16.6 |
| 12-3 | 16.9 | --- | 16.3 |
| 12-4 | 17.1 | --- | 15.9 |
| 12-5 | 16.8 | --- | 16 |
| 12-6 | 16.8 | --- | 15.4 |
| 12-7 | 16.5 | --- | 15.6 |
| 12-8 | 16.5 | --- | 15.3 |