Research Article
Contribution of Rainfall on Rooftop Rainwater Harvesting and Saving on the Slopes of Mt. Elgon, East Africa
Table 1
Rainfall data (mm) and its trend.
| | Parameters | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| | Mean | 40.1 | 49.2 | 149.4 | 292.1 | 449.3 | 345.4 | 321.9 | 437.8 | 274.2 | 337.5 | 212.6 | 77.8 | | Median | 35.8 | 36.8 | 110.8 | 216.8 | 433.2 | 308.7 | 263.7 | 353.5 | 211.7 | 274.8 | 172 | 41.8 | | Standard deviation | 24.9 | 59.1 | 127.8 | 210.4 | 185.9 | 175.9 | 178.1 | 295.8 | 180.4 | 212.3 | 159.2 | 98.1 | | Kurtosis | 2.5 | 10.9 | 7.2 | 3 | 0 | ā0.1 | 0.6 | 2.6 | ā0.4 | 1.7 | 0.2 | 6.3 | | Skewness | 1.2 | 3.1 | 2.5 | 1.9 | 0.7 | 0.8 | 1 | 1.7 | 0.8 | 1.5 | 1.1 | 2.3 | | Minimum | 5.1 | 0 | 22.4 | 104.2 | 192.2 | 81.8 | 51.1 | 131.2 | 35.3 | 101.3 | 48.1 | 0 | | Maximum | 123.8 | 302.6 | 620.3 | 920 | 878.3 | 724.9 | 803 | 1341 | 668.9 | 928.4 | 624.3 | 462.4 | | CV (%) | 62.1 | 120.1 | 85.5 | 72.0 | 41.4 | 50.9 | 55.3 | 67.6 | 65.8 | 62.9 | 74.9 | 126.1 | | Sum | 1362.6 | 1674.4 | 5078.7 | 9931 | 15274.7 | 11744.8 | 10943.7 | 14886.3 | 9322.7 | 11476.5 | 7229.3 | 2645.1 |
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