Historic Crests
(1) 85.44 ft on 01/27/1937
(2) 74.40 ft on 03/07/1945
(3) 74.40 ft on 02/16/1884
(4) 73.46 ft on 03/13/1964
(5) 72.70 ft on 04/02/1913
(6) 72.20 ft on 02/16/1883
(7) 70.47 ft on 03/07/1997
(8) 69.60 ft on 02/21/1832
(9) 69.10 ft on 01/22/1907
(10) 68.80 ft on 12/17/1847
(11) 68.00 ft on 04/18/1948
(12) 66.10 ft on 03/23/1933
(13) 65.20 ft on 03/05/1962
(14) 65.10 ft on 03/23/1943
(15) 65.10 ft on 02/22/1882
(16) 64.30 ft on 03/15/1867
(17) 64.10 ft on 03/30/1898
(18) 63.82 ft on 03/10/1955
(19) 63.70 ft on 03/28/1936
(20) 63.60 ft on 12/14/1978
(21) 63.40 ft on 02/06/1950
(22) 63.30 ft on 03/28/1890
(23) 63.30 ft on 03/12/1967
(24) 63.10 ft on 02/28/1897
(25) 62.88 ft on 04/27/2011
(26) 62.80 ft on 01/27/1927
(27) 62.71 ft on 03/22/1963
(28) 62.00 ft on 05/10/1961
(29) 61.96 ft on 02/09/1939
(30) 61.90 ft on 04/25/1940
(31) 61.29 ft on 03/16/2015 (P)
(32) 61.00 ft on 04/28/1901
(33) 60.60 ft on 02/27/1909
(34) 60.60 ft on 01/07/1924
(35) 60.50 ft on 02/06/1887
(36) 60.50 ft on 04/10/1886
(37) 60.40 ft on 03/10/1899
(38) 60.30 ft on 01/04/1991
(39) 60.13 ft on 05/12/1958
(40) 60.10 ft on 02/26/1891
(41) 60.10 ft on 01/30/1876
(42) 60.00 ft on 02/03/1952
(43) 59.90 ft on 12/28/1921
(44) 59.86 ft on 05/31/1968
(45) 59.60 ft on 02/24/1859
(46) 59.36 ft on 01/26/1996
(47) 59.20 ft on 03/23/1920
(48) 59.13 ft on 04/19/1972
(49) 59.09 ft on 01/12/2005
(50) 58.90 ft on 04/06/1908
(51) 58.90 ft on 01/15/1916
(52) 58.66 ft on 03/17/1978
(53) 58.53 ft on 12/14/1972
(54) 58.37 ft on 02/19/1989
(55) 58.20 ft on 03/19/1917
(56) 58.00 ft on 12/10/1950
(57) 57.83 ft on 03/12/2011
(58) 57.73 ft on 01/16/1974
(59) 57.60 ft on 02/19/1880
(60) 57.56 ft on 03/21/2008
(61) 57.50 ft on 02/08/1915
(62) 57.44 ft on 01/26/1959
(63) 57.30 ft on 01/21/1877
(64) 57.22 ft on 03/19/1956
(65) 57.10 ft on 08/08/1875
(66) 57.00 ft on 03/18/1935
(67) 56.97 ft on 05/07/1983
(68) 56.80 ft on 02/05/1932
(69) 56.70 ft on 12/24/1990
(70) 56.50 ft on 02/22/1893
(71) 56.40 ft on 01/29/1949
(72) 56.40 ft on 03/28/1912
(73) 56.40 ft on 03/09/1903
(74) 56.30 ft on 02/01/1994
(75) 56.13 ft on 03/18/1975
(76) 56.10 ft on 01/18/1910
(77) 55.94 ft on 05/22/1995
(78) 55.92 ft on 03/14/1994
(79) 55.72 ft on 04/06/1970
(80) 55.50 ft on 04/12/1957
(81) 55.30 ft on 05/12/1996
(82) 55.10 ft on 03/06/1929
(83) 55.07 ft on 01/08/2004
(84) 55.00 ft on 01/07/1919
(85) 54.69 ft on 03/24/2002

(P): Preliminary values subject to further review.