Historic Crests
(1) 23.23 ft on 04/24/1979
(2) 22.78 ft on 04/08/1983
(3) 22.75 ft on 03/13/2016
(4) 22.42 ft on 03/31/1980
(5) 22.17 ft on 05/11/1991
(6) 22.13 ft on 04/17/1974
(7) 21.99 ft on 03/30/2009
(8) 21.77 ft on 01/29/1990
(9) 21.77 ft on 02/27/2003
(10) 21.73 ft on 04/15/2014
(11) 21.70 ft on 02/23/1961
(12) 21.68 ft on 03/06/2001
(13) 21.50 ft on 02/16/2004
(14) 21.23 ft on 12/30/2018
(15) 21.18 ft on 03/03/1987
(16) 21.14 ft on 02/26/2013
(17) 21.13 ft on 12/20/2009
(18) 21.08 ft on 04/22/2019
(19) 21.07 ft on 02/12/2016
(20) 21.00 ft on 04/11/1938
(21) 20.99 ft on 09/03/2012
(22) 20.98 ft on 12/29/1961
(23) 20.93 ft on 01/21/1993
(24) 20.92 ft on 02/12/2010
(25) 20.89 ft on 02/01/1994
(26) 20.85 ft on 03/15/2011
(27) 20.73 ft on 03/20/1995
(28) 20.69 ft on 12/16/2004
(29) 20.68 ft on 05/02/1997
(30) 20.58 ft on 02/17/1966
(31) 20.58 ft on 01/12/2007
(32) 20.57 ft on 02/09/1996
(33) 20.54 ft on 02/29/2008
(34) 20.50 ft on 03/09/2015
(35) 20.49 ft on 02/08/1999
(36) 20.49 ft on 03/10/2006
(37) 20.47 ft on 03/30/1973
(38) 20.41 ft on 04/08/1976
(39) 20.38 ft on 05/12/1975
(40) 20.37 ft on 04/13/2005
(41) 20.33 ft on 05/26/1989
(42) 20.32 ft on 04/15/2000
(43) 20.32 ft on 01/13/1950
(44) 20.30 ft on 01/25/1947
(45) 20.27 ft on 03/07/1948
(46) 20.22 ft on 03/23/1943
(47) 20.15 ft on 04/16/1955
(48) 20.14 ft on 05/24/1953
(49) 20.13 ft on 04/05/1949
(50) 20.12 ft on 04/22/1977
(51) 20.11 ft on 04/03/1988
(52) 20.08 ft on 04/14/2002
(53) 20.05 ft on 02/26/1946
(54) 19.94 ft on 04/29/1969
(55) 19.93 ft on 02/18/1992
(56) 19.91 ft on 12/13/1971
(57) 19.90 ft on 03/11/1984
(58) 19.81 ft on 03/03/1985
(59) 19.74 ft on 05/18/1958
(60) 19.70 ft on 11/01/1985
(61) 19.68 ft on 04/12/1944
(62) 19.66 ft on 07/15/1940
(63) 19.61 ft on 03/10/1971
(64) 19.59 ft on 05/03/1964
(65) 19.58 ft on 02/19/1965
(66) 19.52 ft on 02/03/1978
(67) 19.50 ft on 04/17/1951
(68) 19.31 ft on 02/21/1982
(69) 19.30 ft on 03/22/1960
(70) 19.28 ft on 03/22/1956
(71) 19.28 ft on 06/04/1939
(72) 19.28 ft on 03/12/1945
(73) 19.22 ft on 04/10/1957
(74) 19.16 ft on 01/03/1968
(75) 18.96 ft on 04/12/1981
(76) 18.84 ft on 01/02/1941
(77) 18.51 ft on 12/15/1953
(78) 18.50 ft on 02/07/1959
(79) 18.40 ft on 06/07/2017
(80) 18.30 ft on 05/07/1970
(81) 18.26 ft on 03/25/1942
(82) 17.95 ft on 01/24/1963
(83) 16.41 ft on 03/15/1952
(84) 15.30 ft on 08/16/2016
(85) 0.00 ft on 05/08/1967

(P): Preliminary values subject to further review.