Illinois Department of
Natural ResourcesTemperature, water, degrees Celsius |
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Temperature, air, degrees Celsius |
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| Most Recent Instantaneous Value Feb 22 | Min (1989) | 25th percen- tile | Median | Mean | 75th percen- tile | Max (1982) |
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| 9.43 | 13.0 | 122 | 286 | 411 | 619 | 1800 |