| 25.0 | Water levels reach the top of the emergency dike. | | 24.0 | Water overtops the levees downtown. | | 22.0 | Water levels reach the designed dike protection level. | | 20.8 | The water reaches the flood of record set in 1965. | | 20.5 | Railroad lines go under water. | | 17.1 | Lock and dam 5 goes out of operation. | | 17.0 | Some railroad lines may become inoperative. | | 16.6 | Lock and Dam 6 goes out of operation. | | 16.0 | Lock and Dam 5A goes out of operation. | | 13.0 | Prairie Island Park begins to flood. Pumping operations are underway by the City of Winona...and dike patrols are started. |
|
1) 20.77 ft on 04/19/1965
2) 20.07 ft on 04/17/2001
3) 19.44 ft on 04/19/1969
4) 18.27 ft on 04/11/1997
5) 17.91 ft on 04/20/1952
|
1) 1.95 ft on 01/27/1944
2) 3.57 ft on 01/05/1946
3) 3.60 ft on 02/03/1945
|
|
