| 2024年 | 2025年 | 平年値 | |
| 6-25 | 20.5 | 21.6 | 21.1 |
| 6-26 | 20.6 | 21.5 | 21.1 |
| 6-27 | 20.6 | 21.6 | 21.4 |
| 6-28 | 20.8 | 22.1 | 21.7 |
| 6-29 | 20.8 | 22.4 | 22.4 |
| 6-30 | 21.3 | 22.6 | 21.9 |
| 7-1 | 20.9 | 22.6 | 21.8 |
| 7-2 | --- | 22.8 | 22.1 |
| 7-3 | 21.6 | 23 | 23 |
| 7-4 | 22.1 | 23.3 | 22.2 |
| 7-5 | 23 | --- | 22.5 |
| 7-6 | 23.7 | --- | 22.3 |
| 7-7 | 24 | --- | 22.6 |
| 7-8 | 24.1 | --- | 22.7 |
| 7-9 | 24.5 | --- | 23.1 |