| 2025年 | 2026年 | 平年値 | |
| 8-2 | --- | 26.6 | 4.3 |
| 8-3 | --- | 26.7 | 4.3 |
| 8-4 | --- | 26.3 | 4.3 |
| 8-5 | --- | 26.4 | 4.2 |
| 8-6 | --- | 26.2 | 4.3 |
| 8-7 | --- | 26.4 | 4.5 |
| 8-8 | --- | 26.7 | 4.5 |
| 8-9 | --- | 26.3 | 4.6 |
| 8-10 | --- | 26 | 4.6 |
| 8-11 | --- | 26.6 | 4.6 |
| 8-12 | --- | 26.5 | 4.6 |
| 8-13 | --- | 26 | 4.6 |
| 8-14 | --- | 26.3 | 4.3 |
| 8-15 | --- | 26.5 | 4.4 |
| 8-16 | --- | --- | 4.4 |