Historic Crests
(1) 21.90 ft on 05/09/1993
(2) 21.02 ft on 06/01/2013
(3) 19.60 ft on 05/29/1987
(4) 19.30 ft on 06/10/1995
(5) 19.20 ft on 08/23/2007
(6) 19.07 ft on 06/14/1989
(7) 18.94 ft on 06/15/2010
(8) 18.94 ft on 10/21/1983
(9) 18.32 ft on 05/21/2019
(10) 18.15 ft on 06/30/2007
(11) 18.14 ft on 06/09/1974
(12) 17.93 ft on 11/05/1974
(13) 17.85 ft on 08/20/2007
(14) 17.30 ft on 05/07/2015
(15) 17.28 ft on 05/03/1990
(16) 17.02 ft on 04/25/1999
(17) 16.53 ft on 05/24/2015
(18) 16.36 ft on 05/23/2019
(19) 16.34 ft on 05/27/1995
(20) 16.19 ft on 07/13/2007
(21) 16.15 ft on 05/01/2000
(22) 16.13 ft on 06/29/2007
(23) 15.98 ft on 07/11/1996
(24) 15.88 ft on 08/11/2004
(25) 15.66 ft on 03/17/1998
(26) 15.55 ft on 04/10/2008
(27) 15.54 ft on 10/23/2000
(28) 15.28 ft on 03/16/1998
(29) 15.12 ft on 05/09/2015
(30) 15.00 ft on 05/08/2019
(31) 14.80 ft on 07/10/2007
(32) 14.78 ft on 03/19/1998
(33) 14.64 ft on 06/07/2019
(34) 14.55 ft on 05/20/2011
(35) 14.39 ft on 05/08/1995
(36) 14.35 ft on 05/26/2019
(37) 14.31 ft on 08/03/1996
(38) 14.29 ft on 08/20/2008
(39) 14.19 ft on 04/27/1998
(40) 14.13 ft on 07/07/2010
(41) 14.10 ft on 04/26/1999
(42) 13.97 ft on 03/19/2020
(43) 13.90 ft on 07/09/2010
(44) 13.69 ft on 06/05/2013
(45) 13.48 ft on 06/09/2008
(46) 13.16 ft on 03/20/2012
(47) 13.07 ft on 05/23/2013
(48) 12.96 ft on 05/19/2019
(49) 12.73 ft on 04/18/2013
(50) 12.66 ft on 09/01/2020 (P)
(51) 12.65 ft on 05/08/2008
(52) 12.46 ft on 07/26/2013
(53) 12.46 ft on 12/27/2018
(54) 12.30 ft on 06/09/2019
(55) 12.18 ft on 04/30/2017
(56) 12.14 ft on 05/21/2013
(57) 12.13 ft on 03/03/2008
(58) 12.02 ft on 10/09/2018
(59) 11.87 ft on 08/15/2018
(60) 11.85 ft on 10/09/2009
(61) 11.72 ft on 04/29/2009
(62) 11.64 ft on 06/13/2015
(63) 11.41 ft on 08/27/2019
(64) 11.34 ft on 10/11/2004
(65) 11.30 ft on 05/31/2010
(66) 11.26 ft on 06/18/2015
(67) 11.20 ft on 04/18/2016
(68) 11.18 ft on 06/17/2008
(69) 11.14 ft on 07/03/2015
(70) 11.10 ft on 06/25/2018
(71) 11.06 ft on 07/28/2020 (P)
(72) 11.05 ft on 05/30/2019
(73) 11.02 ft on 09/22/2018
(74) 10.72 ft on 06/23/2014

(P): Preliminary values subject to further review.