| 35.5 | Businesses just downstream of IL Route 14 and Route 1 in Carmi flood. | | 32.0 | Flood waters flow up McHenry slough and areas near Route 1 and 14 in Carmi begin to flood. | | 27.0 | The inundation of county roads begins. |
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1) 38.44 ft on 05/12/1961
2) 36.23 ft on 01/01/1937
3) 36.16 ft on 05/18/2002
4) 36.15 ft on 11/21/1993
5) 35.54 ft on 04/04/2008
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1) 0.75 ft on 09/16/1940
2) 2.38 ft on 09/19/2005
3) 2.40 ft on 08/02/2005
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