| 2025年 | 2026年 | 平年値 | |
| 3-25 | --- | 11.6 | 11 |
| 3-26 | 11.6 | 11.4 | 11.2 |
| 3-27 | 11.7 | --- | 11.3 |
| 3-28 | 12.1 | --- | 11.5 |
| 3-29 | 10.5 | --- | 11.1 |
| 3-30 | 10.6 | 12.4 | 11.5 |
| 3-31 | 9.8 | 12.4 | 11.5 |
| 4-1 | 10.3 | 11.8 | 12.2 |
| 4-2 | 11 | 12 | 11.8 |
| 4-3 | 11.4 | 12.2 | 12.1 |
| 4-4 | 11.1 | 12.3 | 12.1 |
| 4-5 | 11.3 | 12.3 | 12.1 |
| 4-6 | 12.2 | 12.4 | 12.4 |
| 4-7 | 12.2 | 12.4 | 12.5 |
| 4-8 | 12.5 | 12.5 | 12.6 |