Illinois Department of
Natural ResourcesStreamflow information saves lives and protects property during floods. Information on the streamflow in the Nation's rivers also helps to ensure adequate water resources for a healthy environment and economy. The U.S. Geological Survey (USGS) operates and maintains a national network of over 7,000 streamgages.
| Most Recent Instantaneous Value Jan 23 | Min (1940) | 25th percen- tile | Median | 75th percen- tile | Mean | Max (1969) |
|---|---|---|---|---|---|---|
| -- unavailable -- | 0.00 | 4.3 | 15 | 45 | 62 | 1350 |