| 2025年 | 2026年 | 平年値 | |
| 2-7 | 9.3 | 9.4 | 9.3 |
| 2-8 | 10.1 | 9.4 | 9 |
| 2-9 | 9.3 | 9.1 | 9.4 |
| 2-10 | 9.2 | 8.8 | 9.3 |
| 2-11 | 9 | 9 | 9.5 |
| 2-12 | 8.5 | --- | 9.5 |
| 2-13 | 9.1 | 9 | 9.1 |
| 2-14 | 8.7 | 9.2 | 9.5 |
| 2-15 | 8.6 | 9.6 | 9.1 |
| 2-16 | 8.6 | --- | |
| 2-17 | 8.8 | 9.6 | 8.9 |
| 2-18 | 8.8 | 9.5 | 9.3 |
| 2-19 | 8.6 | 9.3 | 9 |
| 2-20 | 8.4 | 9.1 | 9.8 |
| 2-21 | 8.2 | --- | 9.5 |