| 2025年 | 2026年 | 平年値 | |
| 4-2 | 10.9 | 11.7 | 10.9 |
| 4-3 | 11.2 | --- | 11.2 |
| 4-4 | 11.3 | 12.1 | 11.3 |
| 4-5 | 11.6 | --- | 11.6 |
| 4-6 | 11.6 | --- | 11.6 |
| 4-7 | 11.6 | --- | 11.6 |
| 4-8 | 11.5 | --- | 11.5 |
| 4-9 | 11.7 | --- | 11.7 |
| 4-10 | 11.9 | --- | 11.9 |
| 4-11 | --- | --- | |
| 4-12 | --- | --- | |
| 4-13 | --- | --- | |
| 4-14 | --- | --- | |
| 4-15 | --- | --- | |
| 4-16 | --- | --- |