Illinois Department of
Natural ResourcesTemperature, water, degrees Celsius |
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Temperature, air, degrees Celsius |
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| Min (1964) | 25th percen- tile | Median | 75th percen- tile | Mean | Max (2018) | Most Recent Instantaneous Value Jun 12 |
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| 12.0 | 131 | 259 | 539 | 593 | 6540 | 7870 |