| Station: | Balsa | Continent: | North America | ||
| River: | Grande de Tarcoles | Major Basin : | Pacific Ocean | ||
| Country: | Costa Rica | Discharge into : | |||
| Observation Period: | 1965 - 1979 | Total Months: | 176 | ||
| Latitude (dec deg): | 9.93 N | Area (km2): | 1638 | ||
| Longitude (dec deg): | 84.46 W | Elevation (m): | 267 | ||
| Annual Discharge: (m3/s): | 81.5 | (km3/yr): | 2.5 | ||
| Annual Runoff: (l/s/km2): | 49.3 | (mm/yr): | 1555.7 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 47.7 | 46.0 | 41.0 | 52.3 | 79.5 | 113.6 | 93.7 | 92.8 | 120.6 | 128.7 | 92.1 | 60.0 |
| km3/mo | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.3 | 0.3 | 0.2 | 0.3 | 0.3 | 0.2 | 0.2 |
| mm/mo | 78.0 | 68.0 | 67.0 | 82.7 | 130.0 | 179.7 | 153.3 | 151.7 | 190.9 | 210.5 | 145.8 | 98.2 |
| l/s/km2 | 29.1 | 28.1 | 25.0 | 31.9 | 48.5 | 69.3 | 57.2 | 56.7 | 73.6 | 78.6 | 56.2 | 36.7 |
