Historic Crests
(1) 21.51 ft on 09/12/2019
(2) 20.28 ft on 05/08/1993
(3) 20.22 ft on 09/23/2010
(4) 20.01 ft on 05/06/2012
(5) 19.86 ft on 06/16/2004
(6) 19.73 ft on 04/06/2019 (P)
(7) 19.49 ft on 03/14/2007
(8) 19.03 ft on 06/09/1999
(9) 19.00 ft on 04/23/2001
(10) 18.77 ft on 03/28/1997
(11) 18.50 ft on 06/14/2011
(12) 18.20 ft on 07/03/2018
(13) 18.15 ft on 08/10/2015
(14) 17.95 ft on 03/31/2006
(15) 17.85 ft on 08/10/1994
(16) 17.78 ft on 03/28/2002
(17) 17.67 ft on 04/19/1995
(18) 17.59 ft on 05/18/2000
(19) 17.54 ft on 03/28/1998
(20) 17.50 ft on 06/22/1991
(21) 17.37 ft on 06/06/2008
(22) 17.19 ft on 03/06/2009
(23) 17.10 ft on 04/16/2003
(24) 16.97 ft on 04/27/2016
(25) 16.86 ft on 06/23/2013
(26) 16.69 ft on 06/15/2014
(27) 16.57 ft on 09/26/2005
(28) 16.22 ft on 06/16/1996
(29) 15.76 ft on 03/09/1992
(30) 14.74 ft on 10/03/2017

(P): Preliminary values subject to further review.