Historic Crests
(1) 30.28 ft on 07/16/1982
(2) 28.65 ft on 06/25/2015
(3) 27.88 ft on 07/05/1993
(4) 27.40 ft on 07/08/2008
(5) 24.95 ft on 06/12/2010
(6) 24.92 ft on 10/09/2018
(7) 24.91 ft on 04/18/2013
(8) 24.44 ft on 05/07/2007
(9) 24.07 ft on 03/03/2008
(10) 24.00 ft on 07/29/2015
(11) 23.99 ft on 07/28/2008
(12) 23.75 ft on 08/11/2010
(13) 23.71 ft on 06/10/2011
(14) 23.41 ft on 08/19/1993
(15) 23.26 ft on 08/09/2010
(16) 23.22 ft on 04/25/2010
(17) 23.20 ft on 06/27/2008
(18) 22.81 ft on 09/16/1992
(19) 22.59 ft on 09/11/2014
(20) 22.46 ft on 06/19/1998
(21) 22.43 ft on 07/12/1993
(22) 22.32 ft on 05/08/1997
(23) 22.11 ft on 04/19/1991
(24) 22.08 ft on 07/19/2010
(25) 21.99 ft on 05/10/1996
(26) 21.98 ft on 03/10/2010
(27) 21.95 ft on 05/27/1996
(28) 21.94 ft on 04/27/2009
(29) 21.93 ft on 07/17/2015
(30) 21.90 ft on 05/09/1995
(31) 21.88 ft on 07/26/1993
(32) 21.83 ft on 06/17/1990
(33) 21.82 ft on 04/20/1992
(34) 21.81 ft on 04/27/1991
(35) 21.76 ft on 05/17/1986
(36) 21.74 ft on 07/09/1993
(37) 21.71 ft on 12/14/2015
(38) 21.69 ft on 04/29/1991
(39) 21.65 ft on 06/26/2003
(40) 21.36 ft on 04/26/2007
(41) 21.28 ft on 09/14/2008
(42) 21.26 ft on 03/31/1998
(43) 21.24 ft on 03/09/2009
(44) 21.23 ft on 05/30/2011
(45) 21.22 ft on 05/24/1996
(46) 21.22 ft on 06/02/1996
(47) 21.22 ft on 06/06/2008
(48) 21.19 ft on 05/26/1990
(49) 21.17 ft on 05/14/2010
(50) 21.15 ft on 04/26/2008
(51) 21.03 ft on 03/10/2009
(52) 20.98 ft on 06/13/2008
(53) 20.94 ft on 03/25/2009
(54) 20.93 ft on 06/12/1999
(55) 20.91 ft on 03/03/1993
(56) 20.80 ft on 06/15/2011
(57) 20.77 ft on 06/25/2000
(58) 20.72 ft on 08/05/2004
(59) 20.68 ft on 05/06/1991
(60) 20.53 ft on 07/25/2010
(61) 20.41 ft on 09/25/1993
(62) 20.28 ft on 05/08/1993
(63) 20.28 ft on 02/26/2001
(64) 20.21 ft on 03/11/1990
(65) 20.13 ft on 06/23/1994
(66) 20.08 ft on 03/31/1993
(67) 20.04 ft on 10/15/2014
(68) 20.01 ft on 06/19/2010
(69) 20.00 ft on 08/27/1987
(70) 19.93 ft on 04/13/2005
(71) 19.89 ft on 07/11/2002
(72) 19.89 ft on 06/22/2010
(73) 19.81 ft on 08/09/2007
(74) 19.71 ft on 12/25/2009
(75) 19.69 ft on 10/18/1998
(76) 19.65 ft on 08/25/2007
(77) 19.65 ft on 06/19/2009
(78) 19.55 ft on 07/21/1993
(79) 19.55 ft on 04/19/2008
(80) 19.51 ft on 05/31/2004
(81) 19.50 ft on 07/07/1998
(82) 19.42 ft on 07/06/2000
(83) 19.40 ft on 04/11/2008
(84) 19.34 ft on 05/25/2004
(85) 19.31 ft on 04/20/1993
(86) 19.25 ft on 04/16/1999
(87) 19.17 ft on 05/28/1995
(88) 19.08 ft on 04/15/1991
(89) 19.05 ft on 02/22/1997
(90) 19.04 ft on 08/12/1993
(91) 19.04 ft on 06/11/2002
(92) 19.04 ft on 05/05/2003
(93) 19.04 ft on 06/24/2013
(94) 18.97 ft on 07/05/2014
(95) 18.93 ft on 06/27/2010
(96) 18.90 ft on 02/20/1994
(97) 18.82 ft on 10/30/2009
(98) 18.81 ft on 03/15/1990
(99) 18.80 ft on 05/08/1998
(100) 18.79 ft on 07/05/2010
(101) 18.75 ft on 05/05/1990
(102) 18.75 ft on 06/15/1998
(103) 18.74 ft on 09/09/1989
(104) 18.72 ft on 05/11/2001
(105) 18.68 ft on 07/18/1993
(106) 18.67 ft on 03/18/1998
(107) 18.66 ft on 04/07/2005
(108) 18.63 ft on 10/23/2009
(109) 18.58 ft on 12/15/1992
(110) 18.55 ft on 07/01/2014
(111) 18.50 ft on 04/30/1986
(112) 18.49 ft on 07/27/2015
(113) 18.45 ft on 04/16/2017
(114) 18.45 ft on 05/16/2009
(115) 18.42 ft on 06/20/1990
(116) 18.39 ft on 04/15/2012
(117) 18.31 ft on 03/13/2008
(118) 18.29 ft on 11/27/2015
(119) 18.25 ft on 08/13/1993
(120) 18.25 ft on 06/04/1991
(121) 18.24 ft on 05/26/2011
(122) 18.20 ft on 04/29/2014
(123) 18.17 ft on 09/23/1986
(124) 18.15 ft on 05/28/2013
(125) 18.04 ft on 03/25/2010
(126) 18.02 ft on 10/12/1986
(127) 17.98 ft on 08/24/2014
(128) 17.97 ft on 07/08/2010
(129) 17.96 ft on 07/20/2016
(130) 17.93 ft on 04/09/1998
(131) 17.92 ft on 03/05/2004
(132) 17.91 ft on 06/12/1997
(133) 17.89 ft on 10/15/2007
(134) 17.87 ft on 03/10/2013
(135) 17.83 ft on 05/12/2002
(136) 17.80 ft on 06/27/2011
(137) 17.75 ft on 02/13/2005
(138) 17.53 ft on 05/13/1995
(139) 17.51 ft on 05/23/1995
(140) 17.51 ft on 04/27/1995
(141) 17.40 ft on 04/28/1990
(142) 17.37 ft on 10/10/1985
(143) 17.32 ft on 11/20/1992
(144) 17.28 ft on 07/24/1993
(145) 17.25 ft on 05/01/1997
(146) 17.21 ft on 06/06/1996
(147) 17.21 ft on 09/20/1986
(148) 17.20 ft on 05/16/1986
(149) 17.16 ft on 10/26/1986
(150) 17.08 ft on 08/10/1993
(151) 17.07 ft on 05/13/1990
(152) 17.01 ft on 07/21/1990
(153) 16.86 ft on 07/05/1995
(154) 16.86 ft on 11/29/1987
(155) 16.73 ft on 03/05/1994
(156) 16.73 ft on 07/15/1993
(157) 16.70 ft on 06/19/1993
(158) 16.58 ft on 03/29/1987
(159) 16.54 ft on 09/30/1986
(160) 16.54 ft on 08/14/1986
(161) 16.52 ft on 05/30/1991
(162) 16.38 ft on 12/20/1987
(163) 16.37 ft on 03/01/1997
(164) 16.26 ft on 07/29/1990
(165) 16.20 ft on 09/17/1987
(166) 16.13 ft on 05/12/1993
(167) 15.96 ft on 06/02/1991
(168) 15.88 ft on 04/11/1995
(169) 15.85 ft on 03/02/1991
(170) 15.76 ft on 06/22/1990
(171) 15.74 ft on 02/18/1992
(172) 15.70 ft on 04/13/1991
(173) 15.55 ft on 03/23/1991
(174) 15.52 ft on 09/15/1987
(175) 15.48 ft on 07/14/1993
(176) 15.41 ft on 05/15/1996
(177) 15.34 ft on 04/23/1992
(178) 15.27 ft on 05/02/1993
(179) 15.17 ft on 07/23/1993
(180) 15.17 ft on 03/13/1986
(181) 15.16 ft on 03/18/1991
(182) 15.12 ft on 12/24/1987
(183) 15.09 ft on 10/24/1986
(184) 15.08 ft on 05/03/2018
(185) 15.08 ft on 04/15/1997
(186) 14.70 ft on 06/16/1996
(187) 13.28 ft on 08/28/2006

(P): Preliminary values subject to further review.