| Station: | Mtera | Continent: | Africa | ||
| River: | Great Ruaha | Major Basin : | Rufiji | ||
| Country: | Tanzania | Discharge into : | Indian Ocean | ||
| Observation Period: | 1955 - 1979 | Total Months: | 272 | ||
| Latitude (dec deg): | 7.92 S | Area (km2): | 67950 | ||
| Longitude (dec deg): | 36.98 E | Elevation (m): | 680 | ||
| Annual Discharge: (m3/s): | 115.7 | (km3/yr): | 3.8 | ||
| Annual Runoff: (l/s/km2): | 1.8 | (mm/yr): | 55.2 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 177.4 | 247.8 | 286.2 | 315.2 | 178.1 | 76.9 | 35.6 | 20.5 | 12.2 | 7.3 | 5.6 | 75.5 |
| km3/mo | 0.5 | 0.6 | 0.8 | 0.8 | 0.5 | 0.2 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.2 |
| mm/mo | 7.0 | 8.8 | 11.3 | 12.0 | 7.0 | 2.9 | 1.4 | 0.8 | 0.5 | 0.3 | 0.2 | 3.0 |
| l/s/km2 | 2.6 | 3.6 | 4.2 | 4.6 | 2.6 | 1.1 | 0.5 | 0.3 | 0.2 | 0.1 | 0.1 | 1.1 |
