| Return period (years) | Longnormal (LN) | General Extreme Value (GEV) | Exponential (EXP) | 2-Parameter Gamma (G2) | ||||
| T | PT | SE | PT | SE | PT | SE | PT | SE |
| 2 | 55.20 | 3.28 | 52.95 | 3.35 | 51.49 | 3.13 | 55.88 | 3.42 |
| 5 | 78.91 | 5.98 | 76.24 | 5.71 | 78.72 | 6.69 | 83.09 | 7.06 |
| 10 | 95.12 | 8.63 | 94.99 | 8.37 | 99.32 | 10.26 | 100.30 | 10.43 |
| 20 | 110.96 | 11.62 | 115.96 | 12.66 | 119.92 | 13.96 | 116.16 | 13.88 |
| 25 | 113.82 | 12.20 | 123.30 | 14.50 | 126.55 | 15.17 | 118.94 | 14.50 |
| 50 | 131.77 | 16.03 | 148.24 | 22.04 | 147.15 | 18.94 | 135.74 | 18.43 |
| 100 | 148.15 | 19.81 | 176.89 | 32.96 | 167.75 | 22.73 | 150.27 | 21.98 |