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Table of design rainstorm parameters in Tongzhou district, Beijing.
| Parameter | 1 h | 6 h | 24 h | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Cs/Cv | 3.5 | 3.5 | 3.5 | ||||||
| Cvt | 0.5 | 0.6 | 0.69 | ||||||
| H/mm | 42.5 | 74 | 106.72 | ||||||
| Return period | 20-year | 50-year | 100-year | 20-year | 50-year | 100-year | 20-year | 50-year | 100-year |
| Kp | 1.99 | 2.42 | 2.74 | 2.2 | 2.76 | 3.2 | 2.39 | 3.09 | 3.63 |
| n | — | — | — | 0.94 | 0.93 | 0.91 | 0.94 | 0.92 | 0.91 |
