Long-Term Homogeneity and Trends of Hydroclimatic Variables in Upper Awash River Basin, Ethiopia

Table 8

Summary of Z statistics and Sen’s slope (Q) (mm/year) of the MK test for annual and seasonal rainfall of UASB.

Station	Annual		Kiremt (JJAS)		Bega (ONDJ)		Belg (FMAM)
	Mk (zs)	Sen’s (Q)	Mk (zs)	Sen’s (Q)	Mk (zs)	Sen’s (Q)	Mk (zs)	Sen’s (Q)
AA Bole	−0.271	−0.82	0.50	1.48	2.379	2.31	−1.325	−3.16
AA T. Ambessa	−0.470	−2.32	1.189	3.2	0.679	0.58	−2.124	−5.16
Addis Alem	−2.196	−19.81	−1.893	−9.45	−1.666	−4.38	−1.060	−6.7
Akaki	1.855	−5.60	−0.249	−0.71	0.285	0.24	−1.213	−2.479
Debre Zeit	0.480	0.82	0.961	1.66	1.100	0.586	−0.867	−1.459
Ghinch	−2.747	−12.38	−1.248	−5.25	−0.178	−0.275	−2.515	−6.033
Hombole	−1.793	−9.49	−1.126	−4.21	0.638	0.703	−1.512	−3.82
Sebeta	−1.200	−4.06	−1.784	−19.01	−0.875	−1.659	−0.779	−4.819
Sendafa	−0.526	−1.16	0.001	0.002	0.902	0.614	−1.818	−3.15
Teji	−0.560	−1.48	0.951	2.12	−0.527	−0.18	−1.835	−3.81
Tulu Bolo	−1.239	−5.97	−0.476	−2.71	0.054	0.007	−0.585	−1.057

Trend at α′ = 0.01 level. Trend at α′ = 0.05 level. Trend at α′ = 0.1 level.