Illinois Department of
Natural ResourcesTemperature, water, degrees Celsius |
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Temperature, air, degrees Celsius |
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| Min (2023) | Most Recent Instantaneous Value May 29 | 25th percen- tile | Median | Mean | 75th percen- tile | Max (1996) |
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| 49.6 | 69.3 | 104 | 207 | 341 | 385 | 1470 |