| Station: | Metropolis, Illinois | Continent: | North America | ||
| River: | Ohio | Major Basin : | Mississippi | ||
| Country: | United States | Discharge into : | Atlantic Ocean | ||
| Observation Period: | 1928 - 1984 | Total Months: | 684 | ||
| Latitude (dec deg): | 37.15 N | Area (km2): | 525770 | ||
| Longitude (dec deg): | 88.73 W | Elevation (m): | 84 | ||
| Annual Discharge: (m3/s): | 7425.6 | (km3/yr): | 234.1 | ||
| Annual Runoff: (l/s/km2): | 14.1 | (mm/yr): | 445.2 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 10624.0 | 12373.2 | 14335.8 | 12766.3 | 9165.6 | 5600.7 | 4070.2 | 3250.2 | 2655.6 | 2672.6 | 4186.4 | 7697.9 |
| km3/mo | 28.5 | 29.9 | 38.4 | 33.1 | 24.5 | 14.5 | 10.9 | 8.7 | 6.9 | 7.2 | 10.9 | 20.6 |
| mm/mo | 54.1 | 56.9 | 73.0 | 62.9 | 46.7 | 27.6 | 20.7 | 16.6 | 13.1 | 13.6 | 20.6 | 39.2 |
| l/s/km2 | 20.2 | 23.5 | 27.3 | 24.3 | 17.4 | 10.7 | 7.7 | 6.2 | 5.1 | 5.1 | 8.0 | 14.6 |
