| Station: | Gaoual | Continent: | Africa | ||
| River: | Koliba | Major Basin : | Atlantic Ocean | ||
| Country: | Guinea | Discharge into : | Atlantic Ocean | ||
| Observation Period: | 1978 - 1980 | Total Months: | 34 | ||
| Latitude (dec deg): | 11.75 N | Area (km2): | 9749 | ||
| Longitude (dec deg): | 13.2 W | Elevation (m): | 100 | ||
| Annual Discharge: (m3/s): | 172.8 | (km3/yr): | 5.7 | ||
| Annual Runoff: (l/s/km2): | 18.5 | (mm/yr): | 582.3 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 52.0 | 35.4 | 24.0 | 17.7 | 24.3 | 89.8 | 234.3 | 567.3 | 519.0 | 316.0 | 181.0 | 88.2 |
| km3/mo | 0.1 | 0.1 | 0.1 | 0.0 | 0.1 | 0.2 | 0.6 | 1.5 | 1.3 | 0.8 | 0.5 | 0.2 |
| mm/mo | 14.3 | 8.8 | 6.6 | 4.7 | 6.7 | 23.9 | 64.4 | 155.9 | 138.0 | 86.8 | 48.1 | 24.2 |
| l/s/km2 | 5.3 | 3.6 | 2.5 | 1.8 | 2.5 | 9.2 | 24.0 | 58.2 | 53.2 | 32.4 | 18.6 | 9.0 |
