| Station: | Piggots Bridge | Continent: | Africa | ||
| River: | Groot-Vis | Major Basin : | Groot-Vis | ||
| Country: | South Africa | Discharge into : | Indian Ocean | ||
| Observation Period: | 1969 - 1986 | Total Months: | 205 | ||
| Latitude (dec deg): | 33.1 S | Area (km2): | 23067 | ||
| Longitude (dec deg): | 26.45 E | Elevation (m): | |||
| Annual Discharge: (m3/s): | 5.6 | (km3/yr): | 0.2 | ||
| Annual Runoff: (l/s/km2): | 0.2 | (mm/yr): | 7.6 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 3.6 | 6.1 | 8.7 | 6.6 | 7.2 | 5.3 | 4.9 | 5.1 | 5.7 | 4.2 | 4.1 | 5.5 |
| 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 | 0.6 | 1.0 | 0.7 | 0.8 | 0.6 | 0.6 | 0.6 | 0.6 | 0.5 | 0.5 | 0.6 |
| l/s/km2 | 0.2 | 0.3 | 0.4 | 0.3 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |