Historic Crests
(1) 28.39 ft on 10/19/1994
(2) 27.45 ft on 06/18/2015
(3) 27.10 ft on 11/22/2004
(4) 24.49 ft on 01/21/1980
(5) 22.52 ft on 09/01/2001
(6) 21.52 ft on 11/05/2002
(7) 21.27 ft on 09/20/1979
(8) 20.69 ft on 08/29/2017
(9) 20.29 ft on 02/13/1992
(10) 20.13 ft on 07/03/2007
(11) 19.72 ft on 10/19/1998
(12) 19.64 ft on 05/28/2014
(13) 19.42 ft on 04/05/1997
(14) 19.21 ft on 10/18/1983
(15) 18.96 ft on 09/12/1998
(16) 18.36 ft on 05/15/2004
(17) 18.31 ft on 07/16/2002
(18) 18.01 ft on 05/07/1993
(19) 17.87 ft on 05/07/1982
(20) 17.66 ft on 04/06/1991
(21) 17.28 ft on 05/16/2010

(P): Preliminary values subject to further review.