| 2024年 | 2025年 | 平年値 | |
| 3-20 | 3.2 | 3.5 | 0.6 |
| 3-21 | 3.5 | 3.4 | 0.5 |
| 3-22 | 3.7 | 3.2 | 0.4 |
| 3-23 | 3.8 | 3.2 | 0.5 |
| 3-24 | 3.8 | 3.1 | 0.5 |
| 3-25 | 3.5 | 3.1 | 1.1 |
| 3-26 | 3.7 | 3.2 | 1.1 |
| 3-27 | 3.6 | 3.4 | 1.1 |
| 3-28 | 3.6 | 3.5 | 1.1 |
| 3-29 | 3.7 | 3.4 | 0.8 |
| 3-30 | 3.4 | 3.4 | 0.6 |
| 3-31 | 3.3 | 3.3 | 0.6 |
| 4-1 | 3.1 | 3.3 | 0.5 |
| 4-2 | 3.1 | 3.4 | 0.5 |
| 4-3 | --- | 3.4 | 0.4 |