Historic Crests
(1) 21.33 ft on 07/21/2010
(2) 20.91 ft on 05/12/2002
(3) 20.88 ft on 07/26/2008
(4) 19.81 ft on 09/15/2008
(5) 19.70 ft on 06/06/1947
(6) 19.45 ft on 04/19/2013
(7) 19.14 ft on 07/02/1993
(8) 19.07 ft on 05/17/2009
(9) 18.80 ft on 04/03/1983
(10) 18.80 ft on 07/05/1998
(11) 18.76 ft on 05/28/1996
(12) 18.59 ft on 10/05/1998
(13) 18.53 ft on 03/11/2013
(14) 18.52 ft on 11/02/1977
(15) 18.51 ft on 07/06/1995
(16) 18.51 ft on 11/01/1984
(17) 18.41 ft on 07/27/1981
(18) 18.34 ft on 06/09/1982
(19) 18.32 ft on 05/18/1986
(20) 18.22 ft on 05/28/2013
(21) 18.20 ft on 04/12/1997
(22) 17.97 ft on 10/04/1986
(23) 17.76 ft on 12/10/2003
(24) 17.73 ft on 07/29/2008
(25) 17.70 ft on 06/11/1984
(26) 17.27 ft on 04/25/1976
(27) 17.24 ft on 05/05/1991
(28) 17.10 ft on 06/08/1990
(29) 17.06 ft on 06/28/2011
(30) 16.95 ft on 03/31/2019
(31) 16.88 ft on 09/13/1977
(32) 16.29 ft on 02/25/2007
(33) 15.33 ft on 02/18/2011
(34) 15.16 ft on 06/26/2011
(35) 15.15 ft on 04/23/2011
(36) 15.09 ft on 04/24/1975
(37) 15.00 ft on 03/04/1979
(38) 14.84 ft on 11/18/1991
(39) 14.39 ft on 04/12/2005
(40) 14.39 ft on 04/11/2013
(41) 14.34 ft on 06/03/2011
(42) 14.29 ft on 02/21/2018
(43) 14.28 ft on 04/28/1994
(44) 14.16 ft on 03/10/2019
(45) 14.07 ft on 09/09/2008
(46) 14.00 ft on 05/26/2011
(47) 13.93 ft on 04/06/2017
(48) 13.10 ft on 05/01/2017
(49) 12.82 ft on 05/05/2003
(50) 12.20 ft on 10/10/2018 (P)
(51) 10.25 ft on 09/02/1980
(52) 10.25 ft on 07/30/1989
(53) 9.37 ft on 12/20/1987
(54) 7.20 ft on 06/26/2000
(55) 6.91 ft on 05/03/2006

(P): Preliminary values subject to further review.