| 2025年 | 2026年 | 平年値 | |
| 3-4 | 8.8 | --- | 10.1 |
| 3-5 | 9 | --- | 10.3 |
| 3-6 | 8.9 | --- | 10.8 |
| 3-7 | 8.8 | --- | 10.1 |
| 3-8 | 8.5 | --- | 10.3 |
| 3-9 | 8.6 | --- | 11.2 |
| 3-10 | 9 | --- | 10.9 |
| 3-11 | 9.1 | --- | 9.6 |
| 3-12 | 9.7 | --- | 11.6 |
| 3-13 | 10.3 | --- | 10.9 |
| 3-14 | 9.7 | --- | 10.8 |
| 3-15 | 9.8 | --- | 11.3 |
| 3-16 | 9.6 | --- | 11.7 |
| 3-17 | 9.3 | --- | 11.8 |
| 3-18 | --- | --- | 11.7 |