| 2024年 | 2025年 | 平年値 | |
| 11-19 | 20.6 | 19.8 | 19.6 |
| 11-20 | 20.4 | 19.8 | 19.4 |
| 11-21 | 20.2 | 19.7 | 19.3 |
| 11-22 | 20.1 | 19.3 | 19.2 |
| 11-23 | 19.8 | 19.3 | 19.1 |
| 11-24 | 19.5 | 19.2 | 18.8 |
| 11-25 | 19.4 | 19.1 | 18.6 |
| 11-26 | 19.3 | 18.7 | 18.5 |
| 11-27 | 19 | 18.7 | 18.5 |
| 11-28 | 19 | 18.5 | 18.3 |
| 11-29 | 18.8 | 18.5 | 18.2 |
| 11-30 | 18.7 | 18.5 | 18 |
| 12-1 | 18.5 | 18.5 | 17.8 |
| 12-2 | 18.3 | 18.4 | 17.6 |
| 12-3 | 18.3 | --- | 17.6 |