| 2025年 | 2026年 | 平年値 | |
| 6-23 | 21.1 | 21.9 | 21.1 |
| 6-24 | 21.1 | 21.8 | 21.4 |
| 6-25 | 20.8 | 21.6 | 21.3 |
| 6-26 | 21.1 | 21.6 | 21.2 |
| 6-27 | 21.3 | 21.5 | 21.4 |
| 6-28 | 21.5 | 21.6 | 21.4 |
| 6-29 | 21.9 | 21.9 | 21.8 |
| 6-30 | 21.8 | 22.1 | 21.6 |
| 7-1 | 22.1 | 22.1 | 22 |
| 7-2 | 22.3 | 22 | 22.1 |
| 7-3 | 22.5 | 22.5 | 22.3 |
| 7-4 | 22.6 | 22.6 | 22.1 |
| 7-5 | 22.9 | 22.8 | 22.3 |
| 7-6 | 24.3 | 22.5 | 22.5 |
| 7-7 | 25.6 | 22.7 | 22.7 |