| 2024年 | 2025年 | 平年値 | |
| 6-28 | 20.7 | 21.5 | 21.3 |
| 6-29 | 21 | 21.9 | 21.7 |
| 6-30 | 20.9 | 21.8 | 21.5 |
| 7-1 | 21.7 | 22.1 | 21.8 |
| 7-2 | 21.8 | 22.3 | 22 |
| 7-3 | 21.9 | 22.5 | 22.2 |
| 7-4 | 22.4 | 22.6 | 22 |
| 7-5 | 22.3 | 22.9 | 22.2 |
| 7-6 | 22.3 | 24.3 | 22.3 |
| 7-7 | 22.6 | 25.6 | 22.4 |
| 7-8 | 22.7 | 24.8 | 22.5 |
| 7-9 | 22.7 | --- | 22.5 |
| 7-10 | 22.7 | --- | 22.7 |
| 7-11 | 22.4 | --- | 22.8 |
| 7-12 | 22.5 | --- | 23 |