| Station: | Desembocadura | Continent: | South America | ||
| River: | Biobio | Major Basin : | Pacific Ocean | ||
| Country: | Chile | Discharge into : | Pacific Ocean | ||
| Observation Period: | 1966 - 1984 | Total Months: | 144 | ||
| Latitude (dec deg): | 36.83 S | Area (km2): | 21217 | ||
| Longitude (dec deg): | 73.08 W | Elevation (m): | 2 | ||
| Annual Discharge: (m3/s): | 1012.7 | (km3/yr): | 32.0 | ||
| Annual Runoff: (l/s/km2): | 47.8 | (mm/yr): | 1506.2 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 408.3 | 297.1 | 268.4 | 368.0 | 1291.4 | 1735.2 | 1909.2 | 1579.5 | 1278.6 | 1183.7 | 1062.1 | 721.8 |
| km3/mo | 1.1 | 0.7 | 0.7 | 1.0 | 3.5 | 4.5 | 5.1 | 4.2 | 3.3 | 3.2 | 2.8 | 1.9 |
| mm/mo | 51.5 | 33.9 | 33.9 | 45.0 | 163.0 | 212.0 | 241.0 | 199.4 | 156.2 | 149.4 | 129.8 | 91.1 |
| l/s/km2 | 19.2 | 14.0 | 12.7 | 17.3 | 60.9 | 81.8 | 90.0 | 74.4 | 60.3 | 55.8 | 50.1 | 34.0 |
