| Station: | Las Perlas | Continent: | North America | ||
| River: | Cortzacoalcos | Major Basin : | Gulf of Mexico | ||
| Country: | Mexico | Discharge into : | Atlantic Ocean | ||
| Observation Period: | 1976 - 1979 | Total Months: | 48 | ||
| Latitude (dec deg): | 17.63 N | Area (km2): | 9224 | ||
| Longitude (dec deg): | 94.87 W | Elevation (m): | 20 | ||
| Annual Discharge: (m3/s): | 414.5 | (km3/yr): | 13.1 | ||
| Annual Runoff: (l/s/km2): | 45.0 | (mm/yr): | 1417.7 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 234.2 | 175.4 | 119.0 | 80.2 | 71.8 | 258.0 | 599.2 | 940.2 | 1129.8 | 610.0 | 384.0 | 357.0 |
| km3/mo | 0.6 | 0.4 | 0.3 | 0.2 | 0.2 | 0.7 | 1.6 | 2.5 | 2.9 | 1.6 | 1.0 | 1.0 |
| mm/mo | 68.0 | 46.0 | 34.6 | 22.6 | 20.8 | 72.5 | 174.0 | 273.0 | 317.5 | 177.1 | 107.9 | 103.7 |
| l/s/km2 | 25.4 | 19.0 | 12.9 | 8.7 | 7.8 | 28.0 | 65.0 | 101.9 | 122.5 | 66.1 | 41.6 | 38.7 |
