| 2025年 | 2026年 | 平年値 | |
| 8-2 | 28.5 | --- | 28.5 |
| 8-3 | 29 | --- | 29 |
| 8-4 | 29.4 | --- | 29.4 |
| 8-5 | 29.8 | --- | 29.8 |
| 8-6 | 30.1 | --- | 30.1 |
| 8-7 | 29.6 | --- | 29.6 |
| 8-8 | 28.9 | --- | 28.9 |
| 8-9 | 28.8 | --- | 28.8 |
| 8-10 | --- | --- | |
| 8-11 | --- | --- | |
| 8-12 | --- | --- | |
| 8-13 | --- | --- | |
| 8-14 | 26.8 | --- | 26.8 |
| 8-15 | 27.8 | --- | 27.8 |
| 8-16 | 28.1 | --- | 28.1 |