| Station: | Antsatrana | Continent: | Africa | ||
| River: | Ikopa | Major Basin : | Betsiboka | ||
| Country: | Madagascar | Discharge into : | Indian Ocean | ||
| Observation Period: | 1948 - 1982 | Total Months: | 390 | ||
| Latitude (dec deg): | 17.41 S | Area (km2): | 18550 | ||
| Longitude (dec deg): | 46.85 E | Elevation (m): | |||
| Annual Discharge: (m3/s): | 436.1 | (km3/yr): | 13.7 | ||
| Annual Runoff: (l/s/km2): | 23.4 | (mm/yr): | 738.2 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 903.2 | 1004.0 | 914.5 | 516.4 | 276.5 | 213.8 | 181.1 | 149.8 | 112.4 | 115.7 | 251.2 | 606.5 |
| km3/mo | 2.4 | 2.4 | 2.4 | 1.3 | 0.7 | 0.6 | 0.5 | 0.4 | 0.3 | 0.3 | 0.7 | 1.6 |
| mm/mo | 130.4 | 130.9 | 132.0 | 72.2 | 39.9 | 29.9 | 26.2 | 21.6 | 15.7 | 16.7 | 35.1 | 87.6 |
| l/s/km2 | 48.7 | 54.1 | 49.3 | 27.8 | 14.9 | 11.5 | 9.8 | 8.1 | 6.1 | 6.2 | 13.5 | 32.7 |
