| 2025年 | 2026年 | 平年値 | |
| 8-16 | 27.3 | --- | 28.1 |
| 8-15 | 29 | 28.6 | 27.5 |
| 8-14 | --- | 28.3 | 26.3 |
| 8-13 | 25.3 | 28 | 25.7 |
| 8-12 | 25.6 | 28.5 | 27.5 |
| 8-11 | 28.2 | 28.3 | 28.7 |
| 8-10 | 28.1 | 28.5 | 28.4 |
| 8-9 | 28.6 | 28.2 | 28.5 |
| 8-8 | 29.2 | 28 | 28 |
| 8-7 | 26.6 | 27.2 | 26.3 |
| 8-6 | 27.5 | 27.6 | 26.9 |
| 8-5 | 25.9 | 27.8 | 26.1 |
| 8-4 | 27.8 | 28.9 | 28.4 |
| 8-3 | 30.7 | 28.9 | 29.3 |
| 8-2 | 30.4 | 28 | 27.7 |