| 2025年 | 2026年 | 平年値 | |
| 9-6 | 2.4 | 3 | 2.3 |
| 9-7 | 2.2 | 4.4 | 2.4 |
| 9-8 | 2.3 | 2 | 2.2 |
| 9-9 | 2.3 | 4.9 | 1.8 |
| 9-10 | 2.3 | 5.7 | 1.7 |
| 9-11 | 2.6 | 4.7 | 1.8 |
| 9-12 | 2.2 | 4.4 | 1.9 |
| 9-13 | 2.1 | 4.5 | 1.8 |
| 9-14 | 1.6 | 4.1 | 1.4 |
| 9-15 | 1.5 | 3.5 | 1.3 |
| 9-16 | 1.8 | 3.3 | 1.6 |
| 9-17 | 2 | 5.4 | 1.9 |
| 9-18 | 2.2 | 3.8 | 2.3 |
| 9-19 | 2.4 | 3.2 | 2.6 |
| 9-20 | 2.3 | --- | 2.5 |