Historic Crests
(1) 30.63 ft on 09/20/2010
(2) 29.37 ft on 08/10/1980
(3) 28.40 ft on 04/26/2004
(4) 27.45 ft on 05/13/2015
(5) 26.50 ft on 10/13/1997
(6) 25.82 ft on 04/03/1997
(7) 25.65 ft on 07/05/2007 (P)
(8) 25.55 ft on 07/17/2002
(9) 25.41 ft on 09/16/2018
(10) 25.35 ft on 05/15/2004
(11) 25.30 ft on 10/11/1997
(12) 25.20 ft on 10/19/1998
(13) 25.19 ft on 12/22/1991
(14) 24.58 ft on 06/21/1993
(15) 24.56 ft on 10/30/1995
(16) 24.54 ft on 05/16/2016
(17) 24.39 ft on 07/27/2007
(18) 23.74 ft on 05/16/2015
(19) 23.73 ft on 03/07/1995
(20) 23.59 ft on 03/10/2016
(21) 22.67 ft on 04/23/2015
(22) 22.44 ft on 06/21/2018
(23) 22.15 ft on 05/22/2015
(24) 21.89 ft on 05/23/1993
(25) 21.88 ft on 09/13/2018
(26) 21.69 ft on 07/03/2010
(27) 21.62 ft on 06/01/1992
(28) 21.61 ft on 04/19/2015
(29) 21.46 ft on 03/19/2016
(30) 21.42 ft on 09/30/1985
(31) 20.91 ft on 06/11/1987
(32) 20.37 ft on 10/09/1994
(33) 20.17 ft on 02/04/1992
(34) 19.99 ft on 01/16/2010
(35) 19.74 ft on 03/10/2015
(36) 19.72 ft on 03/01/1990
(37) 19.44 ft on 03/19/2015
(38) 19.43 ft on 06/26/2004
(39) 18.89 ft on 09/27/2018
(40) 18.52 ft on 04/19/2016
(41) 18.13 ft on 12/28/1994
(42) 18.09 ft on 06/05/2016
(43) 15.95 ft on 03/23/2015
(44) 15.54 ft on 12/06/2016
(45) 13.05 ft on 09/26/2016
(46) 12.69 ft on 06/03/2017
(47) 12.60 ft on 11/08/2015
(48) 12.40 ft on 05/30/2017
(49) 12.18 ft on 08/28/2017
(50) 11.53 ft on 04/12/2017
(51) 11.27 ft on 06/06/2017
(52) 10.26 ft on 06/28/2017
(53) 10.21 ft on 10/15/1993
(54) 9.79 ft on 06/26/2017
(55) 6.46 ft on 06/30/2002
(56) 6.15 ft on 07/10/2002

(P): Preliminary values subject to further review.