Table 2.
Average annual and seasonal rainfall characteristics (1983–2016).
| Station | Annual (mm) | CV (%) | Summer mm (%) | CV (%) | Autumn mm (%) | CV (%) | Winter mm (%) | CV (%) | Spring mm (%) | CV (%) |
|---|---|---|---|---|---|---|---|---|---|---|
| Sekoru | 1179 | 14 | 620 (52) | 16 | 222 (19) | 33 | 58 (5) | 86 | 279 (24) | 33 |
| Serbo | 1311 | 15 | 537 (41) | 18 | 332 (25) | 33 | 73 (6) | 61 | 370 (28) | 22 |
| Bedele | 1600 | 15 | 828 (51.8) | 12 | 407 (25.4) | 30 | 32 (2) | 88 | 333 (20.8) | 30 |
| Didesadildey | 1426 | 17 | 800 (56) | 15 | 356 (25) | 32 | 8 (1) | 134 | 262 (18) | 42 |
| Arjo | 1702 | 15 | 866 (50.9) | 12 | 433 (25.4) | 29 | 39 (2.3) | 80 | 363 (21.4) | 33 |
| Nekemte | 1591 | 13 | 908 (57.1) | 12 | 349 (21.9) | 26 | 25 (1.6) | 95 | 309 (19.4) | 36 |
| Gimbi | 1638 | 14 | 945 (57.7) | 12 | 408 (24.9) | 31 | 10 (0.6) | 176 | 275 (16.8) | 43 |
| Bako | 1066 | 15 | 642 (60) | 18 | 202 (19) | 38 | 17 (2) | 102 | 205 (19) | 35 |
| Bako Tibe | 1106 | 16 | 666 (60) | 13 | 211 (19) | 38 | 19 (2) | 103 | 210 (19) | 42 |
| Gedo | 935 | 21 | 540 (58) | 20 | 181 (19) | 30 | 25 (3) | 105 | 189 (20) | 53 |