| Station: | Lai | Continent: | Africa | ||
| River: | Logone | Major Basin : | Chari | ||
| Country: | Chad | Discharge into : | Continent | ||
| Observation Period: | 1948 - 1986 | Total Months: | 255 | ||
| Latitude (dec deg): | 9.4 N | Area (km2): | 56700 | ||
| Longitude (dec deg): | 16.3 E | Elevation (m): | 350 | ||
| Annual Discharge: (m3/s): | 516.7 | (km3/yr): | 15.2 | ||
| Annual Runoff: (l/s/km2): | 8.5 | (mm/yr): | 268.3 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 116.7 | 79.5 | 60.6 | 60.1 | 89.8 | 152.6 | 450.1 | 1006.4 | 1756.8 | 1364.5 | 445.0 | 182.1 |
| km3/mo | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | 0.4 | 1.2 | 2.7 | 4.6 | 3.7 | 1.2 | 0.5 |
| mm/mo | 5.5 | 3.4 | 2.9 | 2.7 | 4.2 | 7.0 | 21.3 | 47.5 | 80.3 | 64.5 | 20.3 | 8.6 |
| l/s/km2 | 2.1 | 1.4 | 1.1 | 1.1 | 1.6 | 2.7 | 7.9 | 17.8 | 31.0 | 24.1 | 7.8 | 3.2 |
