| 2024年 | 2025年 | 平年値 | |
| 8-17 | 3.3 | 2.2 | 1.8 |
| 8-18 | 3.4 | 2.1 | 1.9 |
| 8-19 | 3.6 | 2.2 | 1.7 |
| 8-20 | 3.9 | 2.2 | 1.6 |
| 8-21 | 3.6 | 2.3 | 1.7 |
| 8-22 | 3.7 | 3.1 | 1.5 |
| 8-23 | 3.6 | 2.8 | 1.9 |
| 8-24 | 3.2 | 2.8 | 2 |
| 8-25 | 2.5 | 2.8 | 2.1 |
| 8-26 | 2.1 | 2.8 | 1.9 |
| 8-27 | 2.6 | 2.6 | 1.6 |
| 8-28 | 3 | 2.6 | 1.7 |
| 8-29 | 2.6 | 2.2 | 1.7 |
| 8-30 | 4.5 | 2.4 | 1.7 |
| 8-31 | 3.8 | --- | 2 |