Historic Crests
(1) 33.10 ft on 08/01/1875
(2) 28.00 ft on 06/26/1950
(3) 25.62 ft on 03/06/1963
(4) 25.12 ft on 11/05/1985
(5) 24.68 ft on 04/13/1948
(6) 24.13 ft on 01/28/1994
(7) 23.87 ft on 06/04/1941
(8) 23.40 ft on 12/30/1942
(9) 22.67 ft on 05/25/1968
(10) 22.27 ft on 01/26/1978
(11) 22.20 ft on 01/22/1917
(12) 22.00 ft on 12/26/1944
(13) 21.55 ft on 06/03/1946
(14) 21.54 ft on 12/19/1990
(15) 21.33 ft on 01/11/1974
(16) 21.17 ft on 03/07/1967
(17) 21.06 ft on 12/09/1978
(18) 20.43 ft on 12/16/1948
(19) 19.95 ft on 03/01/1997
(20) 19.92 ft on 09/14/1971
(21) 19.70 ft on 11/26/1919
(22) 19.70 ft on 12/24/1921
(23) 19.27 ft on 03/05/2015
(24) 19.20 ft on 02/04/1939
(25) 19.15 ft on 08/07/1935
(26) 19.00 ft on 01/02/1919
(27) 18.78 ft on 04/25/1975
(28) 18.70 ft on 03/14/1918
(29) 18.43 ft on 02/02/1951
(30) 18.43 ft on 12/15/1956
(31) 18.27 ft on 06/07/1981
(32) 18.25 ft on 02/16/1989
(33) 17.90 ft on 11/16/1926
(34) 17.77 ft on 02/13/1966
(35) 17.13 ft on 04/20/2011
(36) 17.12 ft on 03/05/1993
(37) 17.03 ft on 02/07/1955
(38) 17.00 ft on 02/20/1938
(39) 17.00 ft on 01/19/1937
(40) 16.93 ft on 09/10/2018
(41) 16.85 ft on 10/10/1976
(42) 16.83 ft on 05/03/2010
(43) 16.74 ft on 07/24/1976
(44) 16.69 ft on 05/27/1990
(45) 16.60 ft on 03/14/1933
(46) 16.52 ft on 05/29/1984
(47) 16.51 ft on 08/14/2013
(48) 16.46 ft on 12/09/1972
(49) 16.41 ft on 03/11/2015
(50) 16.40 ft on 02/14/1926
(51) 16.34 ft on 04/04/2018
(52) 16.33 ft on 12/18/1915
(53) 16.18 ft on 03/17/1936
(54) 16.05 ft on 01/31/2013
(55) 15.93 ft on 03/08/1956
(56) 15.82 ft on 04/02/1970
(57) 15.71 ft on 01/30/1932
(58) 15.66 ft on 01/23/1982
(59) 15.55 ft on 04/13/1962
(60) 15.42 ft on 07/06/1958
(61) 15.40 ft on 06/23/1972
(62) 15.27 ft on 08/07/1995
(63) 15.10 ft on 04/20/1940
(64) 15.10 ft on 01/27/1952
(65) 15.00 ft on 03/09/1943
(66) 14.98 ft on 02/21/2019
(67) 14.84 ft on 04/09/1983
(68) 14.82 ft on 03/04/1988
(69) 14.69 ft on 01/16/1960
(70) 14.40 ft on 12/14/1927
(71) 14.34 ft on 05/05/2009
(72) 14.18 ft on 03/12/1985
(73) 14.09 ft on 02/21/2019
(74) 13.88 ft on 04/06/1969
(75) 13.77 ft on 12/03/1991
(76) 13.76 ft on 03/04/1934
(77) 13.67 ft on 02/22/2014
(78) 13.64 ft on 06/22/1964
(79) 13.61 ft on 11/18/1929
(80) 13.58 ft on 04/04/1931
(81) 13.50 ft on 02/27/1929
(82) 13.50 ft on 06/23/1944
(83) 13.48 ft on 03/06/1980
(84) 13.42 ft on 04/12/1965
(85) 13.26 ft on 07/07/1953
(86) 13.24 ft on 01/16/1959

(P): Preliminary values subject to further review.