| Stations | Probability distribution |
| Amen | Weibull |
| Andassa | Log Normal (LGN) |
| Anger (Gr) | Weibull |
| Anger (Lt) | Weibull |
| Chemoga | Generalized Extreme Value (GEV) |
| Gilgel Abay | Weibull |
| Gilgel Beles | Weibull |
| Gulda | Log Normal (LGN) |
| Hoha | Generalized Extreme Value (GEV) |
| Indrias | Weibull |
| Mendel | Weibull |
| Mugher | Generalized Extreme Value (GEV) |
| Neshi | Weibull |
| Siblu | Weibull |
| Urgessa | Weibull |