| 2025年 | 2026年 | 平年値 | |
| 5-11 | 3.2 | 0.5 | 2.1 |
| 5-12 | 3.1 | 0.5 | 1.5 |
| 5-13 | 3.1 | 0.5 | 2 |
| 5-14 | 2.9 | 0.6 | 1.6 |
| 5-15 | 2.9 | 0.6 | 1.6 |
| 5-16 | 2.8 | 0.8 | 1.5 |
| 5-17 | 3 | 0.6 | 1.6 |
| 5-18 | 2.8 | 0.8 | 1.5 |
| 5-19 | 2.8 | 0.9 | 1.5 |
| 5-20 | 2.7 | 0.4 | 1.4 |
| 5-21 | 2.6 | 0.4 | 1.5 |
| 5-22 | 2.6 | 0.5 | 1.4 |
| 5-23 | 2.6 | 0.6 | 1.4 |
| 5-24 | 2.6 | 0.3 | 1.4 |
| 5-25 | 2.9 | 0.6 | 1.7 |