Research Article
Climate Variability and Farmers’ Perception in Southern Ethiopia
Table 8
Standardized rainfall indices over the three agroecological zones, (a) lowland, (b) midland, and (c) highland, for the period 1983–2014.
| | | Percentage and frequency of occurrence (Years) | | Drought category | SRA ranges | Lowland (a) | Midland (b) | Highland (c) | Total (d) | | N | % | N | % | N | % | N | % |
| | Extreme drought | −2.0 or less | — | — | 1 | 3.13 | — | — | 1 | 1.04 | | Severe drought | −1.5 to −1.99 | 2 | 6.25 | 2 | 6.25 | 3 | 9.38 | 7 | 7.29 | | Moderate drought | −1.0 to −1.49 | 4 | 12.50 | 2 | 6.25 | 3 | 9.38 | 9 | 9.38 | | Mild drought | −0.99 to 0 | 13 | 40.63 | 10 | 31.25 | 8 | 25 | 31 | 32.29 | | Normal | +0.01 to +1.49 | 10 | 31.25 | 17 | 53.13 | 16 | 50 | 43 | 44.79 | | Severe wet | +1.5 to +1.99 | 1 | 3.13 | — | — | 1 | 3.13 | 2 | 2.08 | | Extreme wet | +2.0 or more | 2 | 6.25 | — | — | 1 | 3.13 | 3 | 3.13 |
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