| 2024年 | 2025年 | 平年値 | |
| 2025年 | 2026年 | 平年値 | |
| 12-29 | 32.3 | 32.9 | 31.7 |
| 12-30 | 32.4 | 32.9 | 31.8 |
| 12-31 | 32.2 | 32.9 | 31.7 |
| 1-1 | 32.2 | 32.9 | 31.8 |
| 1-2 | 32.2 | 32.9 | 31.8 |
| 1-3 | 32.2 | 32.9 | 31.8 |
| 1-4 | 32.3 | 32.9 | 31.8 |
| 1-5 | 32.2 | 32.8 | 31.9 |
| 1-6 | 32.1 | --- | 31.6 |
| 1-7 | 32.1 | --- | 31.6 |
| 1-8 | 32.4 | --- | 31.7 |
| 1-9 | 32.4 | --- | 31.7 |
| 1-10 | 32.4 | --- | 31.7 |
| 1-11 | 32.4 | --- | 31.7 |
| 1-12 | 32.4 | --- | 31.7 |