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Illinois Department of
Natural Resources
Metropolitan Water
Reclamation District of Greater Chicago
| Min (1987) | 25th percen- tile | Median | Mean | Most Recent Instantaneous Value Apr 9 | 75th percen- tile | Max (2002) |
|---|---|---|---|---|---|---|
| 0.98 | 7.4 | 17 | 30 | 38.1 | 42 | 224 |