| 2024年 | 2025年 | 平年値 | |
| 8-1 | 32 | 31.5 | 32 |
| 8-2 | 31.7 | 31.3 | 32.1 |
| 8-3 | 31.7 | 31.3 | 32.2 |
| 8-4 | 32 | 31.6 | 32.3 |
| 8-5 | 32 | 31.7 | 32.3 |
| 8-6 | 31.9 | 31.8 | 32.5 |
| 8-7 | 31.9 | 31.8 | 32.4 |
| 8-8 | 31.9 | 31.8 | 31.8 |
| 8-9 | 31.7 | 31 | 32.3 |
| 8-10 | 31.8 | 31.1 | 32.3 |
| 8-11 | 31.6 | 31.5 | 32.6 |
| 8-12 | 32 | 31.7 | 32.8 |
| 8-13 | 31.8 | 31.5 | 32.8 |
| 8-14 | 31.9 | 31.2 | 32.7 |
| 8-15 | 32.1 | 30.7 | 32.4 |