Fig. 2. Rainfall variability in Khawa and Kedia between 1975 and 2004 as illustrated by deviations from mean annual rainfall. The 1980s drought period is evident from the recurrent and prolonged period of below average rainfall. Data from nearest weather stations – Bokspits (100 km southwest of Khawa) and Orapa (55 km east of Kedia) – are presented. (Data source: Department of Meteorological Services, Gaborone)