| 2025年 | 2026年 | 平年値 | |
| 9-25 | 32.4 | 32.3 | 31.4 |
| 9-26 | 32.5 | 32.3 | 31.4 |
| 9-27 | 32.6 | 32.3 | 31.2 |
| 9-28 | 32.4 | 32.3 | 31.5 |
| 9-29 | 32.2 | 32.3 | 31.5 |
| 9-30 | 32.2 | 32.3 | 31.2 |
| 10-1 | 32.2 | 32.3 | 31.4 |
| 10-2 | 32.2 | 32.3 | 31.4 |
| 10-3 | 32.2 | 32.1 | 31.3 |
| 10-4 | 32.2 | 32.1 | 31.3 |
| 10-5 | 32.3 | 32.1 | 31.1 |
| 10-6 | 32.3 | 31.9 | 31 |
| 10-7 | 32.5 | --- | 31 |
| 10-8 | 32.4 | --- | 31.4 |
| 10-9 | 32.4 | --- | 31.5 |