Hydrological Drought Analysis using Streamflow Drought Index (SDI) in Ethiopia

Table 9

Hydrological drought characterization in Ethiopian major river basins, Baro Akobo river basin.

Station	Event	D (year)	S	M	RF (%)
Gambela	1976	1	0.99	0.99	2.44
	1979–1982	4	3.06	0.77	9.76
	1984–1986	3	3.46	1.15	7.32
	1989	1	0.21	0.21	2.44
	1991	1	0.35	0.35	2.44
	1994	1	1.18	1.18	2.44
	2001–2005	5	6.23	1.25	12.20
	2008–2009	2	0.96	0.48	4.88
	2011	1	0.52	0.52	2.44
Sorie	1976	1	0.98	0.98	2.44
	1978	1	0.43	0.43	2.44
	1980	1	0.74	0.74	2.44
	1982–1986	5	6.48	1.30	12.20
	1989–1991	3	1.59	0.53	7.32
	1993–1994	2	0.78	0.39	4.88
	2001–2004	4	4.43	1.11	9.76
	2008–2009	2	0.62	0.31	4.88
	2011	1	0.69	0.69	2.44