| 2025年 | 2026年 | 平年値 | |
| 6-24 | 21.3 | 22 | 21.7 |
| 6-25 | 22.1 | 21.9 | 21.8 |
| 6-26 | 22.2 | 22.1 | 22 |
| 6-27 | 23.1 | 20.9 | 22.6 |
| 6-28 | 23.7 | 21 | 22.2 |
| 6-29 | 24.4 | 21.7 | 22.5 |
| 6-30 | 23.9 | 22.6 | 22.6 |
| 7-1 | 23.2 | 22.8 | 21.9 |
| 7-2 | 24.5 | 22.6 | 22.7 |
| 7-3 | 25.6 | 23.4 | 22.9 |
| 7-4 | 26 | 23.9 | 23 |
| 7-5 | 25.2 | 23.5 | 22.9 |
| 7-6 | 25.3 | 23.4 | 23.4 |
| 7-7 | 26.5 | 23.5 | 23.7 |
| 7-8 | 27 | 23.8 | 23.7 |