Historic Crests
(1) 21.53 ft on 02/15/1948
(2) 21.29 ft on 12/02/2001
(3) 20.66 ft on 01/13/1974
(4) 20.61 ft on 12/30/1983
(5) 20.46 ft on 05/06/2010
(6) 20.46 ft on 05/05/2010
(7) 20.08 ft on 12/04/1991
(8) 19.69 ft on 01/15/1989
(9) 19.46 ft on 01/26/2002
(10) 19.11 ft on 04/28/2011
(11) 18.99 ft on 02/07/1990
(12) 18.99 ft on 03/05/1997 (P)
(13) 18.13 ft on 03/02/1987
(14) 17.99 ft on 12/11/2004
(15) 17.38 ft on 01/16/2013
(16) 17.28 ft on 02/25/2003
(17) 17.16 ft on 01/31/1994
(18) 17.12 ft on 03/17/1999
(19) 17.07 ft on 04/07/2008
(20) 16.79 ft on 09/29/2009
(21) 16.65 ft on 02/08/2014
(22) 16.39 ft on 01/29/2006
(23) 16.27 ft on 04/10/2005
(24) 16.20 ft on 03/14/1992
(25) 16.08 ft on 03/11/1995
(26) 15.90 ft on 12/26/2017
(27) 15.60 ft on 01/10/2007
(28) 15.56 ft on 05/08/1993
(29) 15.37 ft on 04/28/1996
(30) 15.03 ft on 03/16/2012

(P): Preliminary values subject to further review.