| 2025年 | 2026年 | 平年値 | |
| 5-15 | --- | --- | |
| 5-14 | 21.6 | --- | 21.6 |
| 5-13 | 20.6 | --- | 20.6 |
| 5-12 | 20.5 | --- | 20.5 |
| 5-11 | 20.3 | --- | 20.3 |
| 5-10 | 19.7 | --- | 19.7 |
| 5-9 | 19.5 | --- | 19.5 |
| 5-8 | 19.9 | --- | 19.9 |
| 5-7 | 20.5 | --- | 20.5 |
| 5-6 | 18.1 | --- | 18.1 |
| 5-5 | 19.2 | --- | 19.2 |
| 5-4 | 19.8 | --- | 19.8 |
| 5-3 | 18.5 | --- | 18.5 |
| 5-2 | 18.5 | --- | 18.5 |
| 5-1 | 19.1 | --- | 19.1 |