| 2025年 | 2026年 | 平年値 | |
| 9-25 | 25 | 27.1 | 25.6 |
| 9-26 | 25.9 | 27.1 | 25.7 |
| 9-27 | 26.2 | 26.1 | 25.9 |
| 9-28 | 26.2 | 26.5 | 25.8 |
| 9-29 | 26.3 | 26.1 | 25.8 |
| 9-30 | 26 | 26.2 | 25.8 |
| 10-1 | 26 | 26.2 | 25.8 |
| 10-2 | 26.1 | 26.5 | 25.8 |
| 10-3 | 25.4 | 25.5 | 25.2 |
| 10-4 | 25 | 25.6 | 25.2 |
| 10-5 | 25.2 | 25.3 | 25.3 |
| 10-6 | 26 | 25.4 | 25.2 |
| 10-7 | 25.6 | 24.7 | 24.6 |
| 10-8 | 25.5 | 24 | 24.9 |
| 10-9 | 25.4 | --- | 24.5 |