| 2025年 | 2026年 | 平年値 | |
| 3-18 | --- | --- | 11.3 |
| 3-19 | 9.5 | --- | 10.5 |
| 3-20 | 9.5 | --- | 10.6 |
| 3-21 | 9.8 | --- | 10.6 |
| 3-22 | 10.1 | --- | 10.2 |
| 3-23 | 10.4 | --- | 10.4 |
| 3-24 | --- | --- | 12.6 |
| 3-25 | --- | --- | 12.6 |
| 3-26 | --- | --- | 12.3 |
| 3-27 | 11.8 | --- | 11.8 |
| 3-28 | 10.8 | --- | 11.7 |
| 3-29 | 11.2 | --- | 11.8 |
| 3-30 | 11.2 | --- | 12.1 |
| 3-31 | 11.1 | --- | 12.1 |
| 4-1 | 10.8 | --- | 12.4 |