| 降雨时长 日降雨量 | 3 d | 5 d | 7 d | 10 d | 12 d |
| 10 mm/d | 2.0 | / | / | / | / |
| 20 mm/d | 2.6 | / | 2.8 | 4.8 | 5.5 |
| 30 mm/d | / | / | 4.6 | 8.0 | 9.5 |
| 40 mm/d | / | 3.9 | / | / | / |
| 50 mm/d | / | 4.2 | / | / | / |