Historic Crests
(1) 23.04 ft on 08/26/1989
(2) 21.68 ft on 09/21/2012
(3) 21.42 ft on 08/19/2006
(4) 20.89 ft on 10/11/1986
(5) 20.88 ft on 10/06/2012
(6) 20.85 ft on 09/29/2015
(7) 20.58 ft on 08/13/1981
(8) 20.47 ft on 08/09/1971
(9) 20.39 ft on 09/28/1977
(10) 20.33 ft on 09/21/1976
(11) 20.31 ft on 07/13/1980
(12) 20.28 ft on 06/26/1979
(13) 20.21 ft on 09/16/1982
(14) 20.19 ft on 06/16/2018
(15) 20.18 ft on 09/11/1975
(16) 20.18 ft on 10/08/2013
(17) 20.16 ft on 09/21/2019
(18) 20.01 ft on 08/13/2017
(19) 19.99 ft on 08/25/1984
(20) 19.96 ft on 07/24/2008
(21) 19.93 ft on 08/22/1985
(22) 19.91 ft on 06/06/1988
(23) 19.87 ft on 07/26/2010
(24) 19.83 ft on 09/06/1967
(25) 19.82 ft on 09/30/1972
(26) 19.80 ft on 10/10/2006
(27) 19.80 ft on 09/22/1990
(28) 19.78 ft on 08/09/2011
(29) 19.75 ft on 08/07/1970
(30) 19.72 ft on 09/22/2016
(31) 19.49 ft on 07/11/1991
(32) 19.47 ft on 09/06/1992
(33) 19.35 ft on 05/31/1968
(34) 19.34 ft on 09/30/1983
(35) 19.33 ft on 06/16/1978
(36) 19.25 ft on 05/15/2009
(37) 19.25 ft on 09/19/1966
(38) 19.05 ft on 07/25/1969
(39) 18.78 ft on 06/13/1974

(P): Preliminary values subject to further review.