| 2025年 | 2026年 | 平年値 | |
| 4-10 | --- | --- | |
| 4-11 | --- | 20.8 | |
| 4-12 | --- | --- | |
| 4-13 | --- | 30.7 | |
| 4-14 | --- | 31.1 | |
| 4-15 | --- | 19.7 | |
| 4-16 | --- | 22.4 | 27.3 |
| 4-17 | --- | 28.2 | 18.2 |
| 4-18 | --- | 25.9 | |
| 4-19 | --- | 22.8 | 18.1 |
| 4-20 | --- | 28.5 | 18.8 |
| 4-21 | --- | 17.6 | 16.6 |
| 4-22 | --- | 23.6 | 19.2 |
| 4-23 | --- | 13.6 | 17 |
| 4-24 | --- | 16.1 |