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Design rainfall calculation results for Tongzhou district, Beijing.
| Duration | Rainfall depth for return period (mm) | ||
|---|---|---|---|
| 20-Year | 50-Year | 100-Year | |
| 1 h | 84.58 | 102.85 | 116.45 |
| 3 h | 156.60 | 194.11 | 223.00 |
| 6 h | 162.80 | 204.24 | 236.80 |
| 12 h | 244.71 | 311.66 | 363.73 |
| 24 h | 255.06 | 329.77 | 387.40 |
