Illinois Department of
Natural Resources
Metropolitan Water
Reclamation District of Greater Chicago
| Min (2003) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Mar 6 | Max (1979) |
|---|---|---|---|---|---|---|
| 0.99 | 18 | 28 | 53 | 61 | 67.7 | 289 |