Historic Crests
(1) 24.80 ft on 05/09/1993
(2) 23.95 ft on 06/01/2013
(3) 23.48 ft on 06/13/1989
(4) 22.80 ft on 05/07/2015
(5) 22.39 ft on 06/09/1995
(6) 22.38 ft on 08/22/2007
(7) 22.36 ft on 06/14/2010
(8) 22.09 ft on 08/19/2007
(9) 21.89 ft on 07/11/1996
(10) 21.50 ft on 05/08/2007
(11) 21.23 ft on 09/21/1990
(12) 20.95 ft on 06/29/2007
(13) 20.81 ft on 05/21/2019
(14) 20.64 ft on 05/01/2000
(15) 20.60 ft on 05/26/1995
(16) 20.47 ft on 04/25/1999
(17) 20.36 ft on 03/30/2007
(18) 20.02 ft on 06/15/2010
(19) 19.99 ft on 10/23/2000
(20) 19.60 ft on 05/24/2015
(21) 19.41 ft on 06/27/2021
(22) 19.12 ft on 08/11/2004
(23) 19.09 ft on 12/20/1991
(24) 18.74 ft on 08/19/2008
(25) 18.74 ft on 07/13/2007
(26) 18.71 ft on 05/10/2007
(27) 18.66 ft on 03/04/2004
(28) 18.61 ft on 04/10/2008
(29) 18.58 ft on 05/07/2007
(30) 18.40 ft on 07/08/2010
(31) 18.16 ft on 07/10/2007
(32) 18.11 ft on 05/23/2019
(33) 17.95 ft on 05/23/2013
(34) 17.92 ft on 06/09/2008
(35) 17.90 ft on 07/06/2010
(36) 17.80 ft on 03/17/1998
(37) 17.75 ft on 05/09/2015
(38) 17.72 ft on 07/14/1996
(39) 17.71 ft on 04/27/1998
(40) 17.67 ft on 06/15/2007
(41) 17.65 ft on 04/10/2008
(42) 17.57 ft on 03/16/1998
(43) 17.54 ft on 11/01/1998
(44) 17.52 ft on 04/26/1999
(45) 17.49 ft on 05/20/2011
(46) 17.35 ft on 09/10/2007
(47) 17.27 ft on 06/23/1999
(48) 17.26 ft on 05/08/2019
(49) 17.23 ft on 03/19/1998
(50) 17.18 ft on 06/05/2013
(51) 17.12 ft on 06/27/2007
(52) 17.08 ft on 04/09/2008
(53) 17.03 ft on 01/04/1998
(54) 17.02 ft on 05/08/1995
(55) 16.75 ft on 05/10/2015
(56) 16.73 ft on 05/07/2008
(57) 16.68 ft on 07/26/2013
(58) 16.66 ft on 04/29/2009
(59) 16.65 ft on 03/19/2012
(60) 16.64 ft on 08/14/2018
(61) 16.62 ft on 08/20/2008
(62) 16.59 ft on 05/20/2013
(63) 16.54 ft on 06/06/2019
(64) 16.47 ft on 04/18/2013
(65) 16.38 ft on 05/26/2019
(66) 16.34 ft on 03/19/2020
(67) 16.15 ft on 06/17/2005
(68) 16.08 ft on 10/12/2012

(P): Preliminary values subject to further review.