| Methods | MCEVD(2006) | Coles & Simiu (2003) | Casson & Coles (2000) | Georgion & Davenport (1983) |
| 100yr return value for New Orleans | 70.0 | 46.0 | 38.0 | 39.0 |
| 100yr return value for New Jersey | 60.0 | 40.0 | 36.0 | 35.0 |