| Station: | Outspan | Continent: | Africa | ||
| River: | Groot-Vis | Major Basin : | Groot-Vis | ||
| Country: | South Africa | Discharge into : | Indian Ocean | ||
| Observation Period: | 1969 - 1986 | Total Months: | 145 | ||
| Latitude (dec deg): | 33.24 S | Area (km2): | 29745 | ||
| Longitude (dec deg): | 26.99 E | Elevation (m): | |||
| Annual Discharge: (m3/s): | 8.2 | (km3/yr): | 0.3 | ||
| Annual Runoff: (l/s/km2): | 0.3 | (mm/yr): | 8.5 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 4.9 | 5.9 | 7.0 | 6.8 | 4.1 | 4.4 | 16.2 | 16.5 | 6.0 | 4.9 | 12.0 | 7.7 |
| km3/mo | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| mm/mo | 0.4 | 0.5 | 0.6 | 0.6 | 0.4 | 0.4 | 1.5 | 1.5 | 0.5 | 0.4 | 1.0 | 0.7 |
| l/s/km2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.1 | 0.5 | 0.6 | 0.2 | 0.2 | 0.4 | 0.3 |
