| 2024年 | 2025年 | 平年値 | |
| 8-17 | 28 | 27.2 | 26 |
| 8-18 | 27.7 | 27.2 | 25.8 |
| 8-19 | 27.4 | 27.6 | 25.6 |
| 8-20 | 25.7 | 28.1 | 25.6 |
| 8-21 | 25.8 | 28.4 | 25.4 |
| 8-22 | 25.4 | 27.6 | 25.5 |
| 8-23 | 25.3 | 26.9 | 25.6 |
| 8-24 | 25.5 | 27.2 | 25.9 |
| 8-25 | 26.1 | 26.8 | 25.9 |
| 8-26 | 26.9 | 26.5 | 26.1 |
| 8-27 | 26.3 | 26.5 | 26.2 |
| 8-28 | 26.1 | 26.8 | 26 |
| 8-29 | 26.3 | 27.7 | 26.5 |
| 8-30 | 25.6 | 28 | 26.6 |
| 8-31 | 25.5 | --- | 26.8 |