Historic Crests
(1) 38.80 ft on 03/25/1913
(2) 30.00 ft on 01/15/1930
(3) 29.70 ft on 01/16/1937
(4) 29.70 ft on 02/14/1918
(5) 29.60 ft on 03/18/1919
(6) 29.60 ft on 02/28/1929
(7) 29.40 ft on 03/14/1939
(8) 29.20 ft on 01/03/1916
(9) 29.10 ft on 03/22/1927
(10) 28.90 ft on 04/09/1926
(11) 28.60 ft on 04/10/1938
(12) 28.40 ft on 04/01/1922
(13) 28.00 ft on 03/31/1924
(14) 27.93 ft on 03/15/1982
(15) 27.90 ft on 03/29/1921
(16) 27.80 ft on 05/17/1923
(17) 27.70 ft on 04/22/1920
(18) 27.65 ft on 02/13/1959
(19) 27.60 ft on 03/05/1940
(20) 27.13 ft on 05/15/1933
(21) 27.00 ft on 02/07/1915
(22) 26.90 ft on 03/15/1925
(23) 26.80 ft on 12/15/1927
(24) 26.40 ft on 02/12/1959
(25) 26.40 ft on 02/16/1950
(26) 26.35 ft on 02/08/2008
(27) 26.10 ft on 04/03/1917
(28) 25.94 ft on 02/25/1985
(29) 25.91 ft on 06/15/1981
(30) 25.77 ft on 01/14/2005
(31) 25.64 ft on 01/01/1991
(32) 25.60 ft on 04/04/1931
(33) 25.50 ft on 05/19/1943
(34) 25.00 ft on 01/19/1932
(35) 24.36 ft on 03/11/2009
(36) 23.74 ft on 03/22/1978
(37) 23.61 ft on 06/29/2015
(38) 23.28 ft on 06/18/2015
(39) 22.81 ft on 01/24/1999
(40) 22.61 ft on 03/02/2011
(41) 22.52 ft on 12/11/1966
(42) 22.40 ft on 04/13/1944
(43) 22.39 ft on 06/03/1997
(44) 22.37 ft on 02/13/2009
(45) 21.84 ft on 05/07/2017
(46) 21.82 ft on 03/05/1979
(47) 21.79 ft on 02/17/1976
(48) 21.75 ft on 04/06/1957
(49) 21.65 ft on 12/24/2013
(50) 21.61 ft on 12/24/2013
(51) 21.53 ft on 01/14/2013
(52) 21.41 ft on 05/11/2003
(53) 21.27 ft on 03/13/1952
(54) 21.16 ft on 06/04/1980
(55) 19.51 ft on 02/24/2014
(56) 16.25 ft on 01/18/2012
(57) 15.27 ft on 01/01/2016
(58) 14.33 ft on 03/29/2010

(P): Preliminary values subject to further review.