| Station: | Garissa | Continent: | Africa | ||
| River: | Tana | Major Basin : | Indian Ocean | ||
| Country: | Kenya | Discharge into : | Indian Ocean | ||
| Observation Period: | 1934 - 1975 | Total Months: | 504 | ||
| Latitude (dec deg): | 0.45 S | Area (km2): | 42217 | ||
| Longitude (dec deg): | 39.7 E | Elevation (m): | 137 | ||
| Annual Discharge: (m3/s): | 155.9 | (km3/yr): | 4.9 | ||
| Annual Runoff: (l/s/km2): | 3.7 | (mm/yr): | 116.5 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 106.8 | 68.9 | 77.0 | 228.7 | 364.6 | 194.0 | 111.7 | 86.6 | 73.9 | 93.5 | 249.8 | 211.4 |
| km3/mo | 0.3 | 0.2 | 0.2 | 0.6 | 1.0 | 0.5 | 0.3 | 0.2 | 0.2 | 0.3 | 0.6 | 0.6 |
| mm/mo | 6.8 | 3.9 | 4.9 | 14.0 | 23.1 | 11.9 | 7.1 | 5.5 | 4.5 | 5.9 | 15.3 | 13.4 |
| l/s/km2 | 2.5 | 1.6 | 1.8 | 5.4 | 8.6 | 4.6 | 2.6 | 2.1 | 1.7 | 2.2 | 5.9 | 5.0 |
