| 2025年 | 2026年 | 平年値 | |
| 2-9 | 11.5 | 11.5 | 11.5 |
| 2-8 | 11.1 | 11.8 | 11.5 |
| 2-7 | 11 | 12.1 | 11.5 |
| 2-6 | 11 | 11.1 | 11.4 |
| 2-5 | 11.3 | 10.9 | 11.7 |
| 2-4 | 11.5 | 11.1 | 11.5 |
| 2-3 | 11 | 11.2 | 11.9 |
| 2-2 | 10.6 | 11.2 | 11.7 |
| 2-1 | 10.8 | 11.5 | 11.1 |
| 1-31 | 10.6 | 11.5 | 11.2 |
| 1-30 | 10.6 | 11.8 | 11.5 |
| 1-29 | 10.5 | 12 | 11.3 |
| 1-28 | 10.5 | 11.8 | 11.1 |
| 1-27 | 10.8 | 11.4 | 11.5 |
| 1-26 | 10.9 | 11.3 | 11.5 |