| Station: | Seaka | Continent: | Africa | ||
| River: | Senqu | Major Basin : | Orange | ||
| Country: | Lesotho | Discharge into : | Atlantic Ocean | ||
| Observation Period: | 1972 - 1984 | Total Months: | 148 | ||
| Latitude (dec deg): | 30.35 S | Area (km2): | 19875 | ||
| Longitude (dec deg): | 27.56 E | Elevation (m): | 1400 | ||
| Annual Discharge: (m3/s): | 117.1 | (km3/yr): | 3.7 | ||
| Annual Runoff: (l/s/km2): | 5.9 | (mm/yr): | 185.6 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 199.3 | 270.7 | 197.9 | 129.1 | 45.7 | 33.6 | 20.2 | 41.3 | 52.5 | 119.4 | 158.2 | 147.4 |
| km3/mo | 0.5 | 0.7 | 0.5 | 0.3 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.3 | 0.4 | 0.4 |
| mm/mo | 26.9 | 33.0 | 26.7 | 16.8 | 6.2 | 4.4 | 2.7 | 5.6 | 6.9 | 16.1 | 20.6 | 19.9 |
| l/s/km2 | 10.0 | 13.6 | 10.0 | 6.5 | 2.3 | 1.7 | 1.0 | 2.1 | 2.6 | 6.0 | 8.0 | 7.4 |
