Historic Crests
(1) 28.36 ft on 05/10/1993
(2) 26.60 ft on 05/22/2019
(3) 26.39 ft on 05/26/2019
(4) 25.23 ft on 06/10/1995
(5) 24.06 ft on 05/26/2015
(6) 23.04 ft on 03/06/2004
(7) 22.87 ft on 11/02/1998
(8) 22.58 ft on 06/30/2007
(9) 22.29 ft on 05/04/1993
(10) 22.10 ft on 04/26/1999
(11) 21.71 ft on 03/18/1998
(12) 21.43 ft on 03/11/1990
(13) 21.26 ft on 06/11/2008
(14) 21.24 ft on 04/25/1999
(15) 20.82 ft on 06/07/2019
(16) 20.78 ft on 07/14/2007
(17) 20.76 ft on 08/04/1995
(18) 20.69 ft on 04/12/1997
(19) 20.61 ft on 05/09/2019
(20) 20.59 ft on 06/05/1995
(21) 20.49 ft on 08/20/2007
(22) 20.42 ft on 04/02/1988
(23) 20.41 ft on 06/16/2007
(24) 20.41 ft on 04/11/1994
(25) 20.11 ft on 05/09/2007
(26) 19.89 ft on 11/21/1994
(27) 19.86 ft on 04/11/2008
(28) 19.80 ft on 10/10/2018
(29) 19.64 ft on 04/30/2017
(30) 19.57 ft on 04/29/1993
(31) 19.57 ft on 03/25/2000
(32) 19.48 ft on 06/11/1999
(33) 19.44 ft on 06/21/2007
(34) 19.43 ft on 06/24/1999
(35) 19.29 ft on 06/11/2019
(36) 19.12 ft on 06/02/2013
(37) 18.96 ft on 06/17/2019
(38) 18.81 ft on 04/01/2007
(39) 18.62 ft on 02/22/1997
(40) 18.57 ft on 05/21/2010
(41) 18.53 ft on 05/01/1994
(42) 18.47 ft on 06/27/2000
(43) 18.46 ft on 12/21/1991
(44) 18.31 ft on 08/15/1989
(45) 18.23 ft on 09/14/1989
(46) 18.11 ft on 05/21/1993
(47) 18.00 ft on 04/18/1990
(48) 17.99 ft on 04/23/2017
(49) 17.95 ft on 08/01/2013
(50) 17.92 ft on 04/26/1990
(51) 17.84 ft on 10/05/1998
(52) 17.79 ft on 05/09/2008
(53) 17.76 ft on 05/30/2001
(54) 17.70 ft on 08/23/2005
(55) 17.70 ft on 05/04/1990
(56) 17.59 ft on 06/23/2004
(57) 17.57 ft on 09/15/2008
(58) 17.49 ft on 11/26/1992
(59) 17.48 ft on 05/14/1993
(60) 17.46 ft on 06/16/2010
(61) 17.37 ft on 03/15/1990
(62) 17.32 ft on 02/25/2001
(63) 17.18 ft on 12/15/1992
(64) 17.18 ft on 06/19/2008
(65) 17.09 ft on 05/29/2015
(66) 16.98 ft on 06/17/2005
(67) 16.93 ft on 03/14/1999
(68) 16.92 ft on 06/25/1989
(69) 16.91 ft on 06/15/1989
(70) 16.91 ft on 03/31/2017
(71) 16.83 ft on 04/16/1999
(72) 16.77 ft on 10/10/2003
(73) 16.73 ft on 06/27/2018
(74) 16.70 ft on 06/30/1999
(75) 16.68 ft on 07/28/2013
(76) 16.65 ft on 12/27/1998
(77) 16.65 ft on 12/25/1997
(78) 16.63 ft on 04/16/1993
(79) 16.62 ft on 08/04/1996
(80) 16.52 ft on 09/10/2007
(81) 16.51 ft on 06/27/1993
(82) 16.35 ft on 10/05/2005
(83) 16.33 ft on 10/06/2002
(84) 16.32 ft on 06/02/2007
(85) 16.31 ft on 05/08/1995
(86) 16.31 ft on 05/31/1994
(87) 16.28 ft on 03/29/1989
(88) 16.27 ft on 05/07/2015
(89) 16.12 ft on 07/11/1999
(90) 16.12 ft on 05/03/1997
(91) 16.10 ft on 05/07/2019
(92) 16.09 ft on 09/20/2002
(93) 16.05 ft on 05/31/2013
(94) 16.04 ft on 10/10/2009

(P): Preliminary values subject to further review.