| Upper catchments | Middle catchments | Eastern Catchments | Lower catchments | ||||||||
| Sub basin | Magnitude of highest anomaly (%) | Time | Sub basin | Magnitude of highest anomaly (%) | Time | Subbasin | Magnitude of highest anomaly (%) | Time | Sub basin | Magnitude of highest anomaly (%) | Time |
| Wabi at Dodola | −10.9 | 1986 | Wabi at Legehida | −6 | 1986 | Erer at Babile | +96.9 | 1986 | Wabi at Gode | −29.4 | 1983 |
| +27.3 | 1991 | −7.9 | 1987 | +112.3 | 1988 | −19.4 | 2009 | ||||
| +43.9 | 2004 | −10 | 2009 | +65.1 | 1989 | Wabi at Burkur | −23.4 | 1983 | |||
| −15.4 | 2009 | Gololcha | −14.6 | 1983 | −34.5 | 1992 | −14.2 | 1985 | |||
| Maribo | −16.5 | 2000 | −11.8 | 1987 | −36.7 | 1998 | +142.3 | 1991 | |||
| Robe | −6.03 | 1982 | +81 | 2005 | Fafen at Jijiga | +19.4 | 1981 | ||||
| −6.3 | 1987 | +98.4 | 2006 | +22.5 | 1982 | ||||||
| +45.3 | 1991 | +105.4 | 2010 | −58.6 | 1994 | ||||||
| −12.3 | 2001 | Erer at Hamaro | −14.2 | 1983 | Fafen at Kebridehar | +68.4 | 1983 | ||||
| −8.5 | 1987 | −37.02 | 1998 | ||||||||
| +165.3 | 1994 | −39.6 | 2009 | ||||||||
| +174 | 1995 |
| |||||||||
| +203.6 | 2006 | ||||||||||