Table 2.

Station-based rainfall trends in Wolaita zone (1987–2021).

Station	AEZs	Annual			Belg			Kiremt			Bega
		τ	p-value	β	τ	p-value	β	τ	p-value	Β	τ	p-value	β
Areka	Midland	−0.207	0.083	−16.260	−0.167	0.160	−5.273	−0.316	0.008***	−9.859	0.052	0.673	0.546
Bele	Lowland	−0.005	0.966	0.000	−0.148	0.211	−3.077	0.059	0.619	1.465	0.025	0.831	0.405
Bilate	Lowland	0.020	0.865	1.506	0.029	0.809	0.879	−0.189	0.112	−5.273	0.324	0.006***	5.275
Bilate Tena	Lowland	0.264	0.026***	16.664	0.148	0.211	4.963	0.034	0.776	0.811	0.435	0.000***	8.336
Bodity	Highland	−0.244	0.039***	−16.653	−0.179	0.132	−4.519	−0.333	0.005***	−10.750	0.063	0.599	1.014
Dana	Lowland	0.096	0.418	4.284	0.109	0.356	2.102	−0.130	0.274	−3.245	0.356	0.003***	5.524
Halale	Highland	−0.200	0.094	−16.770	−0.170	0.151	−5.260	−0.316	0.008***	−9.903	0.047	0.691	0.352
Humbo Tebela	Midland	−0.022	0.853	−1.054	−0.105	0.378	−1.846	0.002	0.989	0.000	0.165	0.164	2.344
Gesuba	Lowland	0.034	0.776	1.406	0.039	0.744	0.754	−0.131	0.268	−3.650	0.268	0.024***	3.836
Wolaita Sodo	Midland	0.200	0.094	10.959	0.005	0.978	0.100	0.210	0.078	4.889	0.287	0.015***	6.940

Significant trends at α = 0.05 are shown by bold values, Sen's slope, and Kendall's tau are, β and τ respectively.