Historic Crests
(1) 30.28 ft on 07/16/1982
(2) 28.65 ft on 06/25/2015
(3) 27.88 ft on 07/05/1993
(4) 27.40 ft on 07/08/2008
(5) 24.95 ft on 06/12/2010
(6) 24.92 ft on 10/09/2018
(7) 24.91 ft on 04/18/2013
(8) 24.44 ft on 05/07/2007
(9) 23.71 ft on 06/10/2011
(10) 22.81 ft on 09/16/1992
(11) 22.68 ft on 06/11/2020
(12) 22.59 ft on 09/11/2014
(13) 22.46 ft on 06/19/1998
(14) 22.32 ft on 05/08/1997
(15) 22.11 ft on 04/19/1991
(16) 21.99 ft on 05/10/1996
(17) 21.94 ft on 04/27/2009
(18) 21.90 ft on 05/09/1995
(19) 21.83 ft on 06/17/1990
(20) 21.76 ft on 05/17/1986
(21) 21.71 ft on 12/14/2015
(22) 21.65 ft on 06/26/2003
(23) 20.93 ft on 06/12/1999
(24) 20.77 ft on 06/25/2000
(25) 20.72 ft on 08/05/2004
(26) 20.28 ft on 02/26/2001
(27) 20.13 ft on 06/23/1994
(28) 20.00 ft on 08/27/1987
(29) 19.93 ft on 04/13/2005
(30) 19.89 ft on 07/11/2002
(31) 18.74 ft on 09/09/1989
(32) 18.45 ft on 04/16/2017
(33) 18.39 ft on 04/15/2012
(34) 17.54 ft on 07/11/2021
(35) 17.13 ft on 11/11/2021
(36) 16.86 ft on 11/29/1987
(37) 15.08 ft on 05/03/2018
(38) 13.28 ft on 08/28/2006
(39) 10.90 ft on 02/28/2023

(P): Preliminary values subject to further review.