| 2025年 | 2026年 | 平年値 | |
| 6-21 | 20.7 | 21.1 | 20.5 |
| 6-22 | 20.5 | 21.3 | 20.5 |
| 6-23 | 21 | 21.2 | 20.6 |
| 6-24 | 21.5 | 21.3 | 21 |
| 6-25 | 21.6 | 21.3 | 21.1 |
| 6-26 | 21.5 | 21.4 | 21.1 |
| 6-27 | 21.6 | 21.1 | 21.3 |
| 6-28 | 22.1 | 21.4 | 21.6 |
| 6-29 | 22.4 | 22.3 | 22.1 |
| 6-30 | 22.6 | 22.3 | 21.9 |
| 7-1 | 22.6 | 22.4 | 21.8 |
| 7-2 | 22.8 | 22.1 | 22.2 |
| 7-3 | 23 | 22.7 | 22.7 |
| 7-4 | 23.3 | 22.8 | 22.4 |
| 7-5 | --- | 22.8 | 22.6 |