| 2025年 | 2026年 | 平年値 | |
| 3-6 | --- | 15.8 | 15.6 |
| 3-7 | 11.8 | 16.3 | 15.5 |
| 3-8 | 11.1 | 15.6 | 15.6 |
| 3-9 | 11.4 | 15.5 | 15.4 |
| 3-10 | 11.8 | 15.6 | 15.4 |
| 3-11 | 13.7 | 14.6 | 15.8 |
| 3-12 | 14.3 | 15 | 15.8 |
| 3-13 | 12.1 | 14.8 | 14.5 |
| 3-14 | 11.6 | --- | 13.8 |
| 3-15 | 11.3 | --- | 14.3 |
| 3-16 | 11.6 | --- | 15.2 |
| 3-17 | 14 | --- | 15.4 |
| 3-18 | 14 | 15.6 | 15.2 |
| 3-19 | 13.8 | 15.8 | 14.5 |
| 3-20 | 13.4 | 15.8 | 14.4 |