Low Water Records for Mississippi River at Helena
(1) -4.20 ft on 07/11/1988
(2) -4.10 ft on 09/21/2012
(3) -3.42 ft on 01/04/2000
(4) -3.00 ft on 11/08/1895
(5) -2.95 ft on 01/17/2001
(6) -2.72 ft on 10/25/1991
(7) -2.60 ft on 08/18/2005
(8) -2.44 ft on 08/31/2006
(9) -2.32 ft on 11/29/1999
(10) -2.23 ft on 11/08/1894
(11) -1.70 ft on 12/19/1917
(12) -1.60 ft on 09/14/2000
(13) -1.50 ft on 10/01/1999
(14) -1.12 ft on 01/06/1918
(15) -0.87 ft on 01/10/1940
(16) -0.72 ft on 10/29/1939
(17) -0.40 ft on 01/04/1964
(18) -0.37 ft on 11/04/1987
(19) -0.30 ft on 01/21/1981
(20) -0.25 ft on 09/15/1925
(21) -0.20 ft on 01/05/1888
(22) -0.16 ft on 08/26/1936
(23) -0.12 ft on 09/19/2002
(24) 0.00 ft on 12/26/1872
(25) 0.20 ft on 01/25/1956
(26) 0.25 ft on 11/23/1887
(27) 0.57 ft on 11/14/1930
(28) 0.70 ft on 12/28/1963
(29) 0.80 ft on 11/10/1922
(30) 0.80 ft on 10/29/1897
(31) 0.85 ft on 11/08/1891
(32) 1.09 ft on 12/18/1937
(33) 1.10 ft on 02/11/1977
(34) 1.10 ft on 12/01/1914
(35) 1.10 ft on 11/21/1953
(36) 1.17 ft on 09/19/1998
(37) 1.18 ft on 10/31/1892
(38) 1.20 ft on 11/16/1931
(39) 1.45 ft on 12/02/1901
(40) 1.53 ft on 08/16/1941
(41) 1.60 ft on 10/26/1889
(42) 1.70 ft on 08/19/1989
(43) 1.70 ft on 01/04/1877
(44) 1.70 ft on 11/01/1899
(45) 1.75 ft on 12/28/1943
(46) 1.80 ft on 01/01/1990
(47) 1.90 ft on 12/29/1955
(48) 1.92 ft on 09/21/1976
(49) 2.15 ft on 09/20/1954
(50) 2.24 ft on 01/01/2006
(51) 2.30 ft on 12/26/1904
(52) 2.40 ft on 11/09/1952
(53) 2.40 ft on 10/04/1913
(54) 2.46 ft on 12/31/1980
(55) 2.48 ft on 09/11/1934
(56) 2.63 ft on 10/25/1933
(57) 2.65 ft on 09/08/1893
(58) 2.80 ft on 12/23/1903
(59) 2.90 ft on 09/21/1983
(60) 2.90 ft on 10/17/1997
(61) 3.00 ft on 11/16/1886
(62) 3.00 ft on 12/31/1876
(63) 3.00 ft on 10/07/1995
(64) 3.06 ft on 10/22/1935
(65) 3.10 ft on 10/06/1948
(66) 3.10 ft on 12/27/1916
(67) 3.10 ft on 09/22/1919
(68) 3.23 ft on 11/29/1910
(69) 3.36 ft on 09/29/1994
(70) 3.43 ft on 09/26/1959
(71) 3.50 ft on 01/05/1926
(72) 3.55 ft on 10/22/1947
(73) 3.55 ft on 11/07/1924
(74) 3.70 ft on 11/16/1874
(75) 3.70 ft on 11/10/1938
(76) 3.78 ft on 09/21/1985
(77) 3.80 ft on 10/20/1932
(78) 3.90 ft on 01/01/1944
(79) 3.95 ft on 10/31/1908
(80) 4.00 ft on 10/17/1873
(81) 4.00 ft on 09/21/1896
(82) 4.10 ft on 11/14/1879
(83) 4.22 ft on 10/17/1992
(84) 4.30 ft on 11/16/1978
(85) 4.38 ft on 02/10/1905
(86) 4.60 ft on 10/15/1946
(87) 4.68 ft on 01/20/1942
(88) 4.70 ft on 12/30/1958
(89) 4.70 ft on 01/01/1911
(90) 4.72 ft on 10/05/1984
(91) 4.76 ft on 09/26/1900
(92) 4.80 ft on 11/04/1966
(93) 4.90 ft on 12/21/1962
(94) 4.90 ft on 10/21/1996
(95) 4.92 ft on 09/15/1986
(96) 5.05 ft on 11/03/1921
(97) 5.20 ft on 02/07/1961
(98) 5.28 ft on 09/12/1968
(99) 5.30 ft on 10/24/1920
(100) 5.55 ft on 10/15/1957
(101) 5.70 ft on 10/19/1909
(102) 5.72 ft on 09/07/1929
(103) 5.75 ft on 11/03/1960
(104) 5.90 ft on 12/31/1912
(105) 6.00 ft on 10/01/1923
(106) 6.20 ft on 08/31/1965
(107) 6.25 ft on 09/15/1881
(108) 6.30 ft on 10/05/1949
(109) 6.38 ft on 09/29/1902
(110) 6.40 ft on 10/01/1883
(111) 6.50 ft on 01/28/1875
(112) 6.80 ft on 10/24/1971
(113) 6.90 ft on 09/16/1970
(114) 7.00 ft on 09/18/1967
(115) 7.25 ft on 10/25/1878
(116) 7.25 ft on 12/13/1884
(117) 7.50 ft on 10/14/1969
(118) 7.54 ft on 10/11/1982
(119) 7.80 ft on 09/29/1927
(120) 7.80 ft on 10/13/1898
(121) 7.85 ft on 09/07/1945
(122) 7.90 ft on 11/04/1974
(123) 8.00 ft on 10/23/1885
(124) 8.10 ft on 11/06/1950
(125) 8.10 ft on 11/03/1880
(126) 8.60 ft on 12/22/1882
(127) 8.97 ft on 08/29/1975
(128) 9.00 ft on 11/06/1907
(129) 9.82 ft on 11/16/1906
(130) 9.83 ft on 11/14/1915
(131) 10.02 ft on 08/27/1890
(132) 10.40 ft on 10/19/1928
(133) 10.68 ft on 10/25/1951
(134) 11.00 ft on 09/24/1973
(135) 11.55 ft on 09/15/1972
(136) 12.10 ft on 11/01/1979
(137) 13.89 ft on 11/14/1993