“…(2012) echo those of a much earlier study of the western Kenya highlands ( Oliver, 1956 ) which observed, in addition, that most of the rainfall events are not local showers, but regional. In addition, half of the annual rainfall was observed to occur on only 13% of rainy days ( Oliver, 1956 ), with a few big storms accounting for most of the rainfall. As the study found approximately 22 rainy days in each of the short and long rainy seasons, it follows that most of the rainfall in each of those seasons occurred on 2–4 days.…”