Gaoua | Boromo | Regional* | ||||
Characteristics | 1983 | 1999 | 1983 | 1999 | 1983 | 1999 |
Rainy season onset | 7-May | 17-May | 11-Jun | 5-May | 29-May | 21-May |
Rainy season offset | 22-Sep | 18-Nov | 22-Sep | 7-Oct | 27-Sep | 18-Oct |
Season duration | 139 | 186 | 104 | 156 | 122 | 151 |
Number of rain days | 38 | 75 | 38 | 61 | 30 | 58 |
Mean daily rainfall (mm/d) | 12 | 13 | 12 | 12 | 17 | 17 |
Maximum rainfall event (mm/d) | 71 | 49 | 55 | 119 | 60 | 83 |
Number of dry spells | 6 | 4 | 4 | 8 | 6 | 5 |
Mean dry spell duration (days) | 9 | 8 | 8 | 7 | 7 | 8 |