Historic Crests
(1) 22.00 ft on 10/31/1998
(2) 20.77 ft on 04/27/2009
(3) 20.72 ft on 09/13/2008
(4) 20.13 ft on 10/09/2003
(5) 20.04 ft on 05/08/2019
(6) 19.88 ft on 08/29/2005
(7) 19.87 ft on 09/09/2009
(8) 19.84 ft on 06/14/2010
(9) 19.82 ft on 07/03/2016
(10) 19.80 ft on 07/03/2016
(11) 19.77 ft on 06/16/2015
(12) 19.64 ft on 05/22/2019
(13) 19.55 ft on 09/10/2016
(14) 19.48 ft on 05/14/2004
(15) 19.43 ft on 10/10/2018 (P)
(16) 19.35 ft on 03/05/2004
(17) 19.32 ft on 07/05/2010
(18) 19.16 ft on 05/12/2017
(19) 19.02 ft on 07/05/2004
(20) 18.97 ft on 05/17/2015
(21) 18.85 ft on 05/28/2008
(22) 18.46 ft on 05/25/2019
(23) 18.38 ft on 03/06/2004
(24) 18.34 ft on 06/13/2005
(25) 18.24 ft on 08/05/2013
(26) 18.24 ft on 08/05/2013
(27) 18.21 ft on 06/16/2002
(28) 18.14 ft on 02/04/2012
(29) 18.04 ft on 06/02/2022 (P)
(30) 17.93 ft on 05/07/2007
(31) 17.40 ft on 03/20/2003
(32) 17.30 ft on 10/04/2002
(33) 17.25 ft on 06/24/2019
(34) 17.25 ft on 12/14/2015
(35) 17.08 ft on 03/30/2017
(36) 16.07 ft on 04/06/2017
(37) 16.06 ft on 03/23/2021
(38) 14.70 ft on 10/31/2013
(39) 14.13 ft on 05/28/2016
(40) 13.59 ft on 05/13/2020

(P): Preliminary values subject to further review.