Historic Crests
(1) 33.43 ft on 06/24/1972
(2) 30.52 ft on 09/08/2011
(3) 27.47 ft on 09/27/1975
(4) 25.08 ft on 05/29/1946
(5) 25.03 ft on 03/19/1936
(6) 25.00 ft on 03/17/1865
(7) 24.84 ft on 01/20/1996
(8) 24.50 ft on 03/02/1902
(9) 24.04 ft on 03/06/1979
(10) 23.84 ft on 04/01/1940
(11) 23.63 ft on 03/06/1964
(12) 23.30 ft on 12/31/1942
(13) 23.05 ft on 04/04/2005
(14) 23.04 ft on 03/23/1948
(15) 22.76 ft on 04/01/1960
(16) 22.40 ft on 12/14/1983
(17) 22.34 ft on 03/13/1936
(18) 22.28 ft on 03/08/1956
(19) 22.26 ft on 09/18/2004
(20) 21.99 ft on 04/02/1993
(21) 21.84 ft on 04/06/1984
(22) 21.69 ft on 02/15/1984
(23) 21.31 ft on 04/11/1993
(24) 21.18 ft on 03/29/1950
(25) 21.10 ft on 07/09/1935
(26) 21.08 ft on 02/27/1961
(27) 20.86 ft on 04/08/1958
(28) 20.83 ft on 06/29/2006
(29) 20.77 ft on 03/11/1964
(30) 20.70 ft on 03/28/1913
(31) 20.43 ft on 03/31/1993
(32) 20.40 ft on 03/29/1914
(33) 20.23 ft on 03/16/1986
(34) 19.92 ft on 04/26/1961
(35) 19.90 ft on 04/22/1929
(36) 19.75 ft on 04/05/1940
(37) 19.60 ft on 04/06/1947
(38) 19.52 ft on 01/23/1959
(39) 19.41 ft on 04/28/2011
(40) 19.13 ft on 02/21/1939
(41) 18.96 ft on 03/12/2011
(42) 18.96 ft on 10/16/1955
(43) 18.91 ft on 03/31/1951
(44) 18.70 ft on 02/12/1925
(45) 18.47 ft on 04/06/1941
(46) 18.40 ft on 03/02/1910
(47) 18.30 ft on 03/31/1916
(48) 18.29 ft on 10/24/1990
(49) 18.27 ft on 04/05/1956
(50) 18.13 ft on 04/09/1940
(51) 18.11 ft on 11/09/1996
(52) 17.96 ft on 11/27/1950
(53) 17.96 ft on 04/05/1960
(54) 17.88 ft on 01/09/1998
(55) 17.80 ft on 04/07/1924
(56) 17.80 ft on 03/27/1904
(57) 17.78 ft on 03/03/1972
(58) 17.77 ft on 03/28/1963
(59) 17.63 ft on 12/02/1996
(60) 17.62 ft on 02/28/2000
(61) 17.60 ft on 03/25/1994
(62) 17.59 ft on 03/12/1952
(63) 17.50 ft on 07/09/1915
(64) 17.50 ft on 02/25/1915
(65) 17.46 ft on 03/16/2007
(66) 17.37 ft on 01/26/2010
(67) 17.37 ft on 01/15/2007
(68) 17.30 ft on 10/20/1927
(69) 17.21 ft on 03/10/1942
(70) 17.20 ft on 03/15/1918
(71) 17.20 ft on 03/13/1920
(72) 17.13 ft on 04/01/1962
(73) 16.80 ft on 10/01/1924
(74) 16.80 ft on 03/17/1929
(75) 16.61 ft on 02/18/1976
(76) 16.60 ft on 11/17/1926
(77) 16.58 ft on 02/07/2008
(78) 16.58 ft on 05/12/1996
(79) 16.50 ft on 01/10/1935
(80) 16.42 ft on 09/26/1977
(81) 16.29 ft on 01/27/1978
(82) 16.25 ft on 08/15/2018
(83) 16.22 ft on 01/03/1979
(84) 16.15 ft on 03/04/1945
(85) 16.04 ft on 03/14/1977
(86) 16.03 ft on 04/03/1970
(87) 16.03 ft on 05/12/1989
(88) 16.03 ft on 11/30/2005
(89) 16.00 ft on 05/04/1893
(90) 16.00 ft on 03/30/1912

(P): Preliminary values subject to further review.