| 流域 | 项目 | 均值(mm) | CV | CS/CV | 不同保证率设计雨量(mm) | ||||
| 1% | 2% | 5% | 10% | 20% | |||||
| 甬江流域 | H1d | 93.1 | 0.57 | 4.0 | 291.7 | 251.9 | 199.7 | 160.8 | 122.8 |
| H3d | 146.5 | 0.56 | 4.0 | 454.0 | 391.1 | 311.2 | 251.5 | 193.0 | |
| H7d | 187.3 | 0.50 | 4.0 | 524.9 | 460.0 | 374.2 | 309.3 | 244.3 | |
| 姚江流域 | H1d | 85.8 | 0.56 | 4.0 | 264.7 | 229.0 | 182.2 | 147.3 | 113.0 |
| H3d | 135.5 | 0.54 | 4.0 | 405.1 | 352.0 | 282.1 | 229.7 | 178.0 | |
| H7d | 176.0 | 0.48 | 4.0 | 477.0 | 419.9 | 344.2 | 286.6 | 228.6 | |
| 奉化江流域 | H1d | 103.4 | 0.58 | 4.0 | 328.9 | 283.3 | 223.8 | 179.6 | 136.5 |
| H3d | 161.9 | 0.57 | 4.0 | 507.4 | 438.1 | 347.3 | 279.7 | 213.6 | |
| H7d | 205.4 | 0.50 | 4.0 | 575.5 | 504.4 | 410.3 | 339.2 | 267.9 | |