| Station: | Bumbuna | Continent: | Africa | ||
| River: | Seli | Major Basin : | Rokel | ||
| Country: | Sierra Leone | Discharge into : | |||
| Observation Period: | 1976 - 1979 | Total Months: | 40 | ||
| Latitude (dec deg): | 9.03 N | Area (km2): | 3990 | ||
| Longitude (dec deg): | 11.75 W | Elevation (m): | 12 | ||
| Annual Discharge: (m3/s): | 106.6 | (km3/yr): | 3.6 | ||
| Annual Runoff: (l/s/km2): | 28.7 | (mm/yr): | 904.9 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 32.7 | 18.2 | 15.6 | 11.9 | 35.3 | 120.0 | 159.3 | 253.3 | 313.5 | 250.1 | 108.1 | 49.6 |
| km3/mo | 0.1 | 0.0 | 0.0 | 0.0 | 0.1 | 0.3 | 0.4 | 0.7 | 0.8 | 0.7 | 0.3 | 0.1 |
| mm/mo | 21.9 | 11.1 | 10.4 | 7.7 | 23.7 | 78.0 | 107.0 | 170.1 | 203.7 | 167.9 | 70.2 | 33.3 |
| l/s/km2 | 8.2 | 4.6 | 3.9 | 3.0 | 8.8 | 30.1 | 39.9 | 63.5 | 78.6 | 62.7 | 27.1 | 12.4 |
