Illinois Department of
Natural Resources
Metropolitan Water
Reclamation District of Greater Chicago
| Min (1978) | Most Recent Instantaneous Value Feb 22 | 25th percen- tile | Median | 75th percen- tile | Mean | Max (1997) |
|---|---|---|---|---|---|---|
| 0.53 | 5.30 | 5.5 | 16 | 36 | 50 | 630 |