| 25.0 | Widespread flooding is occurring in areas upstream and downstream of Logan. During some ice jams, overflow problems occur from Woodbine upstream to Missouri Valley downstream. Urban areas are above the flood plain in Logan and not subject to flooding. Scouring of the channel near the gage makes overflows into town much more difficult. | | 22.0 | Highway 30 near Missouri Valley floods. | | 19.0 | Overflows begin upstream and downstream of the gage. Minor lowland flooding has already commenced. |
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1) 25.22 ft on 03/01/1965
2) 24.75 ft on 06/08/2008
3) 23.87 ft on 07/17/1996
4) 23.02 ft on 06/21/1996
5) 22.67 ft on 06/16/1957
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1) 0.00 ft on 09/14/1988
2) 0.00 ft on 12/02/1985
3) 0.00 ft on 12/03/1985
4) 0.00 ft on 01/17/1987
5) 0.00 ft on 01/25/1987
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