Low Water Records for Mississippi River at Grafton
(1) -1.10 ft on 12/11/1937
(2) -0.80 ft on 12/30/1933
(3) -0.30 ft on 08/10/1936
(4) -0.30 ft on 12/07/1895
(5) -0.30 ft on 08/08/1936
(6) -0.20 ft on 03/01/1934
(7) -0.20 ft on 12/29/1933
(8) -0.20 ft on 12/17/1932
(9) -0.20 ft on 12/16/1932
(10) -0.07 ft on 12/28/1887
(11) -0.07 ft on 12/04/1886
(12) 12.70 ft on 01/17/1959
(13) 12.70 ft on 02/10/1961
(14) 13.00 ft on 11/27/1972
(15) 13.20 ft on 01/31/1968
(16) 13.30 ft on 12/29/1945
(17) 13.30 ft on 01/21/1957
(18) 13.40 ft on 12/14/1958
(19) 13.50 ft on 07/23/1946
(20) 13.50 ft on 02/13/1942
(21) 13.60 ft on 12/17/1956
(22) 13.70 ft on 02/16/1941
(23) 13.70 ft on 10/19/1969
(24) 13.80 ft on 12/02/1973
(25) 14.54 ft on 08/24/2007
(26) 14.71 ft on 02/19/2000
(27) 14.77 ft on 05/19/2000
(28) 14.81 ft on 03/02/2007
(29) 14.90 ft on 12/16/1988
(30) 14.99 ft on 10/11/2012
(31) 15.01 ft on 09/03/2003
(32) 15.10 ft on 10/07/2003
(33) 15.10 ft on 03/11/2008
(34) 15.14 ft on 10/01/2011
(35) 15.23 ft on 02/04/2000
(36) 15.50 ft on 12/14/1988
(37) 15.54 ft on 09/15/2005