Illinois Department of
Natural ResourcesTemperature, water, degrees Celsius |
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Temperature, air, degrees Celsius |
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| Min (2000) | Most Recent Instantaneous Value Apr 14 | 25th percen- tile | Median | Mean | 75th percen- tile | Max (1994) |
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| 14.0 | 49.3 | 143 | 221 | 372 | 513 | 1950 |