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Illinois Department of
Natural Resources
| Most Recent Instantaneous Value Dec 22 | Min (1977) | 25th percen- tile | Median | 75th percen- tile | Mean | Max (1991) |
|---|---|---|---|---|---|---|
| -- unavailable -- | 0.00 | 14 | 59 | 146 | 232 | 3500 |
Gage height, feet |
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