Historic Crests
(1) 33.00 ft on 11/24/1877
(2) 30.40 ft on 03/12/1913
(3) 30.22 ft on 11/05/1985
(4) 27.01 ft on 06/21/1972
(5) 25.65 ft on 03/18/1936
(6) 25.53 ft on 08/20/1969
(7) 25.03 ft on 01/19/1996
(8) 24.77 ft on 12/27/1973
(9) 22.98 ft on 01/23/1935
(10) 22.84 ft on 06/24/2016
(11) 22.60 ft on 03/12/1963
(12) 22.54 ft on 04/05/1977
(13) 22.30 ft on 03/08/1967
(14) 21.69 ft on 09/29/2004
(15) 21.66 ft on 01/26/1978
(16) 21.10 ft on 05/17/1942
(17) 20.55 ft on 02/22/1953
(18) 20.45 ft on 04/14/1949
(19) 20.45 ft on 12/08/1950
(20) 20.23 ft on 04/16/1987
(21) 20.00 ft on 12/26/1926
(22) 19.88 ft on 12/31/1969
(23) 19.87 ft on 10/21/1961
(24) 19.86 ft on 02/23/2003
(25) 19.84 ft on 02/26/1972
(26) 19.79 ft on 06/27/2006
(27) 19.71 ft on 05/31/1971
(28) 19.65 ft on 03/31/1960
(29) 19.61 ft on 02/14/1971
(30) 19.56 ft on 04/06/1957
(31) 19.50 ft on 03/06/1955
(32) 19.44 ft on 05/28/1973
(33) 19.23 ft on 01/15/1995
(34) 19.22 ft on 03/15/1967
(35) 19.07 ft on 03/12/1952
(36) 18.99 ft on 04/22/1992
(37) 18.82 ft on 03/02/1954
(38) 18.66 ft on 03/17/1973
(39) 18.58 ft on 01/25/2010
(40) 18.54 ft on 03/27/1978
(41) 18.42 ft on 01/08/1998
(42) 18.14 ft on 02/05/1932
(43) 18.04 ft on 03/04/1993
(44) 18.04 ft on 02/25/1979
(45) 18.01 ft on 03/15/1978
(46) 17.88 ft on 09/07/1996
(47) 17.82 ft on 02/03/1973
(48) 17.79 ft on 03/20/1975
(49) 17.79 ft on 06/13/1982
(50) 17.75 ft on 11/18/1929
(51) 17.60 ft on 03/14/1943
(52) 17.51 ft on 05/13/1974
(53) 17.45 ft on 01/21/1937
(54) 17.30 ft on 02/14/1984
(55) 17.29 ft on 05/08/2013
(56) 17.18 ft on 04/16/2007
(57) 17.13 ft on 10/09/1976
(58) 16.98 ft on 01/31/1939
(59) 16.83 ft on 01/31/2013
(60) 16.50 ft on 03/05/1979
(61) 16.50 ft on 02/08/1965
(62) 16.40 ft on 01/01/1976
(63) 16.34 ft on 02/14/1966
(64) 16.24 ft on 12/02/1996
(65) 16.12 ft on 05/31/1940
(66) 16.10 ft on 02/15/1948
(67) 16.07 ft on 03/06/1964
(68) 16.00 ft on 01/08/1946
(69) 15.89 ft on 03/21/1998
(70) 15.78 ft on 10/28/1937
(71) 15.61 ft on 10/18/1975
(72) 15.26 ft on 01/24/1965
(73) 15.10 ft on 02/28/1929
(74) 15.10 ft on 12/08/2011
(75) 14.76 ft on 04/17/2011
(76) 13.93 ft on 03/05/2016
(77) 12.51 ft on 02/03/2016
(78) 12.24 ft on 05/05/2017
(79) 11.88 ft on 05/22/2001
(80) 11.53 ft on 03/29/2005
(81) 11.19 ft on 04/11/2003
(82) 10.79 ft on 02/19/2000
(83) 10.34 ft on 05/17/2009
(84) 10.03 ft on 04/28/2008

(P): Preliminary values subject to further review.