Spatio-temporal variability and trends of hydroclimatic variables at Zarima Sub-Basin North Western Ethiopia

Environmental Systems Research

Table 2 Annual and Seasonal rainfall Standardized anomaly index category

Standardized anomaly index	Bega		Belg		Kerimit		Annual
Standardized anomaly index	Frequency	Percentage	Frequency	Percentage	Frequency	Percentage	Frequency	Percentage
Extreme wet	2	5.71	2	5.71	1	2.86	1	2.86
Severe wet	1	2.86	1	2.86	2	5.71	1	2.86
Moderate wet	4	11.43	2	5.71	4	11.43	3	8.57
Normal	24	68.57	28	80.01	23	65.72	26	74.28
Moderately dry	4	11.43	2	5.71	2	5.71	1	2.86
Severe dry	–	–	–	–	3	8.57	3	8.57
Extreme dry	–	–	–	–	–	–	–	–
Total	35	100	35	100	35	100	35	100