Illinois Department of
Natural ResourcesTemperature, water, degrees Celsius |
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Temperature, air, degrees Celsius |
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| Min (2012) | 25th percen- tile | Median | Most Recent Instantaneous Value Aug 1 | 75th percen- tile | Mean | Max (1992) |
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| 1.26 | 14 | 25 | 29.3 | 57 | 87 | 1220 |