| 2025年 | 2026年 | 平年値 | |
| 3-9 | 8.7 | 10.4 | 10.2 |
| 3-10 | 9.1 | 10.7 | 10.6 |
| 3-11 | 9.2 | 10.5 | 11 |
| 3-12 | 9.8 | 10.1 | 11.4 |
| 3-13 | 10.3 | 10.1 | 11.1 |
| 3-14 | 9.9 | --- | 11 |
| 3-15 | 9.8 | --- | 11.3 |
| 3-16 | 9.7 | --- | 11.8 |
| 3-17 | 9.5 | --- | 11.8 |
| 3-18 | --- | 11 | 11.8 |
| 3-19 | 9.6 | 11.4 | 11.6 |
| 3-20 | 9.7 | 11.3 | 11.7 |
| 3-21 | 9.7 | 11.1 | 11.7 |
| 3-22 | 10.1 | 11.3 | |
| 3-23 | 10.7 | 11.4 | 10.8 |