The impact of rainfall variability and crop production on vertisols in the central highlands of Ethiopia

Environmental Systems Research

Table 3 Initial and conditional probability (%) rainfall at Ghinchi (database 1981–2020)

SMW	> 10 mm			> 20 mm			> 30 mm			> 40 mm			> 50 mm			Mean
SMW	w	w/w	w/d	w	w/w	w/d	w	w/w	w/d	w	w/w	w/d	w	w/w	w/d	Mean
22	75	73	67	55	82	56	45	56	45	20	50	25	15	67	24	26.1
23	70	100	0	70	71	67	50	70	20	30	50	21	30	50	21	29.2
24	90	100	0	70	86	100	45	67	64	30	50	43	30	33	21	36.9
25	100	100	0	90	83	100	65	85	43	45	56	45	25	40	33	39.1
26	100	100	0	85	76	100	70	79	50	50	70	60	35	71	38	41.4
27	100	100	0	80	88	75	70	71	83	65	38	71	50	30	30	53.2
28	100	100	0	85	94	100	75	93	100	50	70	90	30	67	57	43.1
29	100	100	0	95	95	100	95	95	100	80	63	100	60	50	75	54.1
30	100	100	0	95	95	100	95	89	100	70	71	50	60	58	50	58.6
31	100	100	0	95	100	100	90	94	100	65	77	57	55	82	44	53.8
32	100	95	0	100	95	0	95	79	0	70	57	33	65	46	29	62.4
33	95	100	100	95	95	100	75	73	100	50	70	60	40	63	42	46.7
34	100	100	0	95	79	0	80	63	50	65	54	43	50	50	20	49.7
35	100	95	0	75	87	80	60	42	63	50	30	20	35	0	23	40.6
36	95	89	100	85	71	67	50	60	50	25	20	40	15	0	12	34.2
37	90	89	100	70	64	67	55	45	44	35	29	31	10	50	28	33.5
38	90	61	100	65	46	43	45	33	27	30	17	7	30	0	7	36.8
39	65	62	29	45	44	27	30	33	21	10	0	22	5	0	21	20.6