| Station: | Malanvilla | Continent: | Africa | ||
| River: | Niger | Major Basin : | Niger | ||
| Country: | Benin | Discharge into : | Atlantic Ocean | ||
| Observation Period: | 1952 - 1980 | Total Months: | 307 | ||
| Latitude (dec deg): | 11.87 N | Area (km2): | 1000000 | ||
| Longitude (dec deg): | 3.3 E | Elevation (m): | 155 | ||
| Annual Discharge: (m3/s): | 1188.1 | (km3/yr): | 35.8 | ||
| Annual Runoff: (l/s/km2): | 1.1 | (mm/yr): | 35.8 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 1739.9 | 1732.5 | 1440.3 | 843.8 | 360.4 | 159.7 | 187.2 | 767.0 | 1667.3 | 1672.0 | 1508.8 | 1589.1 |
| km3/mo | 4.7 | 4.2 | 3.9 | 2.2 | 1.0 | 0.4 | 0.5 | 2.1 | 4.3 | 4.5 | 3.9 | 4.3 |
| mm/mo | 4.7 | 4.2 | 3.9 | 2.2 | 1.0 | 0.4 | 0.5 | 2.1 | 4.3 | 4.5 | 3.9 | 4.3 |
| l/s/km2 | 1.7 | 1.7 | 1.4 | 0.8 | 0.4 | 0.2 | 0.2 | 0.8 | 1.7 | 1.7 | 1.5 | 1.6 |
