Historic Crests
(1) 34.84 ft on 09/15/1992
(2) 29.95 ft on 07/04/1981
(3) 28.41 ft on 08/24/2007
(4) 27.22 ft on 04/18/2013
(5) 25.78 ft on 07/25/2008
(6) 25.50 ft on 09/21/1965
(7) 25.46 ft on 07/20/2010
(8) 25.09 ft on 07/05/1993
(9) 24.00 ft on 07/29/2015
(10) 23.84 ft on 08/27/2009
(11) 23.26 ft on 07/28/2008
(12) 22.92 ft on 06/03/1980
(13) 22.75 ft on 06/25/2015
(14) 22.32 ft on 07/16/1982
(15) 22.29 ft on 05/27/1996
(16) 22.07 ft on 07/24/1993
(17) 21.97 ft on 03/19/1982
(18) 21.92 ft on 04/10/1978
(19) 21.89 ft on 04/25/2010
(20) 21.66 ft on 09/22/2010
(21) 21.57 ft on 06/04/2014
(22) 21.50 ft on 05/11/2002
(23) 21.48 ft on 09/01/1980
(24) 21.32 ft on 08/08/1970
(25) 21.23 ft on 05/26/2011
(26) 21.22 ft on 05/29/2013
(27) 21.17 ft on 07/11/2015
(28) 21.16 ft on 07/05/2009
(29) 21.12 ft on 05/07/2007
(30) 21.12 ft on 12/14/2015
(31) 21.02 ft on 03/03/2008
(32) 20.98 ft on 10/09/1970
(33) 20.96 ft on 04/23/1968
(34) 20.95 ft on 05/17/1986
(35) 20.89 ft on 08/28/2004
(36) 20.85 ft on 06/28/1975
(37) 20.76 ft on 07/11/1993
(38) 20.70 ft on 04/29/1991
(39) 20.69 ft on 05/13/2010
(40) 20.65 ft on 05/07/1998
(41) 20.63 ft on 05/14/2001
(42) 20.61 ft on 02/25/2001
(43) 20.61 ft on 04/27/2009
(44) 20.57 ft on 10/09/1982
(45) 20.49 ft on 04/19/1991
(46) 20.44 ft on 09/17/1970
(47) 20.39 ft on 06/17/1990
(48) 20.39 ft on 05/23/1995
(49) 20.39 ft on 05/23/1996
(50) 20.36 ft on 10/10/1985
(51) 20.29 ft on 06/14/1976
(52) 20.27 ft on 04/19/1992
(53) 20.27 ft on 05/29/1982
(54) 20.27 ft on 04/24/1976
(55) 20.25 ft on 09/10/2014
(56) 20.24 ft on 07/19/1982
(57) 20.21 ft on 10/30/2009
(58) 20.15 ft on 09/24/2010
(59) 20.10 ft on 06/26/2011
(60) 19.96 ft on 08/04/2004
(61) 19.93 ft on 05/05/1991
(62) 19.93 ft on 07/16/2015
(63) 19.92 ft on 06/19/2010
(64) 19.90 ft on 06/15/2010
(65) 19.87 ft on 05/28/1995
(66) 19.83 ft on 06/10/1984
(67) 19.78 ft on 05/07/1978
(68) 19.76 ft on 02/21/1997
(69) 19.74 ft on 03/04/1979
(70) 19.73 ft on 06/14/2010
(71) 19.72 ft on 10/24/1977
(72) 19.69 ft on 03/31/1998
(73) 19.65 ft on 03/24/2009
(74) 19.64 ft on 06/06/2010
(75) 19.63 ft on 05/08/1995
(76) 19.63 ft on 05/15/2009
(77) 19.61 ft on 06/04/1980
(78) 19.55 ft on 05/09/1996
(79) 19.54 ft on 07/05/2010
(80) 19.51 ft on 05/25/1990
(81) 19.46 ft on 08/23/2014
(82) 19.43 ft on 04/02/1983
(83) 19.39 ft on 12/05/1982
(84) 19.39 ft on 03/08/2009
(85) 19.35 ft on 10/12/1973
(86) 19.34 ft on 04/18/2008
(87) 19.32 ft on 08/16/2014
(88) 19.26 ft on 05/24/2008
(89) 19.21 ft on 04/16/1973
(90) 19.21 ft on 04/30/1984
(91) 19.20 ft on 07/05/1995
(92) 19.18 ft on 03/24/1979
(93) 19.14 ft on 03/31/1973
(94) 19.12 ft on 05/14/1970
(95) 19.06 ft on 07/20/1990
(96) 19.05 ft on 05/07/1993
(97) 19.03 ft on 10/18/1998
(98) 18.99 ft on 03/10/2009
(99) 18.98 ft on 06/09/1974
(100) 18.97 ft on 06/27/2011
(101) 18.93 ft on 02/18/1971
(102) 18.88 ft on 10/14/2014
(103) 18.83 ft on 09/19/2010
(104) 18.81 ft on 05/02/1973
(105) 18.81 ft on 09/13/2008
(106) 18.79 ft on 05/11/2010
(107) 18.77 ft on 03/11/2010
(108) 18.75 ft on 08/26/1977
(109) 18.74 ft on 06/21/2001
(110) 18.74 ft on 04/18/1978
(111) 18.73 ft on 02/02/1973
(112) 18.69 ft on 03/10/2010
(113) 18.67 ft on 09/14/2010
(114) 18.61 ft on 09/22/1970
(115) 18.58 ft on 06/14/2004
(116) 18.50 ft on 06/26/2008
(117) 18.45 ft on 08/26/1987
(118) 18.44 ft on 03/05/2004
(119) 18.41 ft on 03/25/1973
(120) 18.35 ft on 04/05/2017
(121) 18.32 ft on 05/13/1978
(122) 18.32 ft on 09/29/1986
(123) 18.30 ft on 05/31/1999
(124) 18.30 ft on 03/31/1993
(125) 18.30 ft on 07/30/1992
(126) 18.21 ft on 06/08/1993
(127) 18.20 ft on 12/08/1980
(128) 18.20 ft on 07/22/1993
(129) 18.20 ft on 07/20/1993
(130) 18.20 ft on 05/27/1973
(131) 18.19 ft on 04/14/1991
(132) 18.13 ft on 04/10/2013
(133) 18.10 ft on 05/31/2001
(134) 18.07 ft on 05/13/1995
(135) 18.06 ft on 02/21/1985
(136) 17.99 ft on 04/12/1983
(137) 17.99 ft on 11/12/1982
(138) 17.91 ft on 06/03/2008
(139) 17.88 ft on 03/05/1976
(140) 17.87 ft on 02/25/2007
(141) 17.85 ft on 10/12/1986
(142) 17.84 ft on 07/21/1982
(143) 17.79 ft on 06/18/1998
(144) 17.78 ft on 12/27/2008
(145) 17.75 ft on 06/05/2001
(146) 17.74 ft on 12/28/1982
(147) 17.73 ft on 09/20/1978
(148) 17.72 ft on 04/25/2007
(149) 17.72 ft on 01/27/1974
(150) 17.70 ft on 05/22/1998
(151) 17.68 ft on 09/14/1972
(152) 17.65 ft on 06/01/1999
(153) 17.64 ft on 07/14/1993
(154) 17.64 ft on 04/26/2007
(155) 17.63 ft on 07/09/1993
(156) 17.58 ft on 04/14/1981
(157) 17.52 ft on 06/12/2010
(158) 17.52 ft on 04/11/1995
(159) 17.48 ft on 10/19/1985
(160) 17.48 ft on 08/30/2014
(161) 17.42 ft on 05/30/2008
(162) 17.38 ft on 07/15/1981
(163) 17.34 ft on 09/18/1992
(164) 17.27 ft on 04/08/2008
(165) 17.23 ft on 04/15/1997
(166) 17.20 ft on 04/11/1992
(167) 17.16 ft on 06/02/2010
(168) 17.15 ft on 03/02/1993
(169) 17.12 ft on 04/27/1991
(170) 17.11 ft on 10/23/2009
(171) 17.08 ft on 10/31/1977
(172) 17.05 ft on 02/17/2011
(173) 17.03 ft on 11/27/2015
(174) 17.03 ft on 05/10/1986
(175) 17.02 ft on 04/20/1992
(176) 17.01 ft on 11/20/1992
(177) 16.98 ft on 04/19/2011
(178) 16.93 ft on 04/08/1998
(179) 16.90 ft on 01/24/2010
(180) 16.88 ft on 05/20/1984
(181) 16.88 ft on 05/12/2014
(182) 16.83 ft on 08/14/2010
(183) 16.80 ft on 07/04/1974
(184) 16.68 ft on 06/08/2014
(185) 16.59 ft on 05/03/1979
(186) 16.54 ft on 05/26/2015
(187) 16.46 ft on 11/06/2008
(188) 16.42 ft on 07/29/1990
(189) 16.41 ft on 05/27/2013
(190) 16.38 ft on 03/10/2013
(191) 16.37 ft on 04/16/1982
(192) 16.36 ft on 03/04/1985
(193) 16.34 ft on 05/04/1990
(194) 16.31 ft on 04/16/1999
(195) 16.27 ft on 07/08/2010
(196) 16.24 ft on 04/11/2008
(197) 16.18 ft on 06/08/1981
(198) 16.06 ft on 04/28/1990
(199) 16.04 ft on 06/06/2008
(200) 15.98 ft on 12/25/2009
(201) 15.94 ft on 07/08/1993
(202) 15.88 ft on 05/12/1999
(203) 15.84 ft on 06/20/1990
(204) 15.79 ft on 04/12/2005
(205) 15.75 ft on 05/30/2004
(206) 15.71 ft on 11/28/1987
(207) 15.67 ft on 06/15/2001
(208) 15.62 ft on 05/17/1999
(209) 15.58 ft on 04/22/1984
(210) 15.57 ft on 07/28/2015
(211) 15.51 ft on 06/22/1990
(212) 15.43 ft on 05/31/1974
(213) 15.43 ft on 05/11/2001
(214) 15.40 ft on 06/27/1979
(215) 15.35 ft on 06/08/2009
(216) 15.34 ft on 09/26/2010
(217) 15.31 ft on 03/15/2001
(218) 15.27 ft on 09/13/1977
(219) 15.25 ft on 07/14/1986
(220) 15.25 ft on 03/18/1998
(221) 15.24 ft on 09/17/1982
(222) 15.24 ft on 09/17/1987
(223) 15.21 ft on 05/11/2008
(224) 15.17 ft on 08/15/1987
(225) 15.13 ft on 10/03/1973
(226) 15.12 ft on 10/03/1986
(227) 15.12 ft on 05/26/2009
(228) 15.05 ft on 01/16/1969
(229) 14.99 ft on 06/26/2000
(230) 14.99 ft on 06/14/1998
(231) 14.96 ft on 07/08/2008
(232) 14.90 ft on 02/26/1971
(233) 14.89 ft on 07/12/1987
(234) 14.86 ft on 09/30/1985
(235) 14.82 ft on 04/12/1973
(236) 14.82 ft on 05/07/1973
(237) 14.73 ft on 03/13/1979
(238) 14.70 ft on 07/19/1992
(239) 14.63 ft on 06/13/2008
(240) 14.60 ft on 03/07/1973
(241) 14.60 ft on 04/20/1968
(242) 14.58 ft on 06/20/2011
(243) 14.53 ft on 09/24/1970
(244) 14.53 ft on 03/08/1998
(245) 14.43 ft on 03/16/1982
(246) 14.39 ft on 02/20/2014
(247) 14.34 ft on 06/13/1974
(248) 14.29 ft on 04/27/1969
(249) 14.25 ft on 05/16/1976
(250) 14.25 ft on 05/06/1982
(251) 14.25 ft on 04/15/2011
(252) 14.21 ft on 09/23/1986
(253) 14.21 ft on 08/13/1986
(254) 14.18 ft on 10/02/2014
(255) 14.12 ft on 04/08/1993
(256) 14.09 ft on 04/11/2007
(257) 14.00 ft on 02/20/1994
(258) 14.00 ft on 07/21/1990
(259) 13.98 ft on 06/28/2005
(260) 13.97 ft on 03/11/1973
(261) 13.89 ft on 04/27/1999
(262) 13.84 ft on 11/02/1998
(263) 13.84 ft on 07/08/1995
(264) 13.84 ft on 06/06/1995
(265) 13.82 ft on 02/13/2005
(266) 13.82 ft on 04/27/2002
(267) 13.81 ft on 07/13/1969
(268) 13.81 ft on 03/16/1999
(269) 13.76 ft on 04/13/1991
(270) 13.74 ft on 06/04/2001
(271) 13.69 ft on 12/11/2007
(272) 13.69 ft on 04/18/1970
(273) 13.61 ft on 05/03/1987
(274) 13.60 ft on 03/13/2010
(275) 13.58 ft on 10/13/1997
(276) 13.57 ft on 09/25/1993
(277) 13.47 ft on 06/08/2015
(278) 13.46 ft on 07/13/1993
(279) 13.44 ft on 07/16/1992
(280) 13.43 ft on 06/26/2001
(281) 13.32 ft on 05/05/2013
(282) 13.25 ft on 06/18/1973
(283) 13.24 ft on 04/30/1986
(284) 13.06 ft on 04/24/1975
(285) 12.99 ft on 06/09/1982
(286) 12.95 ft on 11/30/2015
(287) 12.93 ft on 05/21/1982
(288) 12.93 ft on 10/18/2007
(289) 12.90 ft on 03/01/1997
(290) 12.83 ft on 09/05/1980
(291) 12.78 ft on 04/21/1973
(292) 12.77 ft on 06/08/1995
(293) 12.75 ft on 07/12/2004
(294) 12.75 ft on 06/04/1999
(295) 12.68 ft on 06/02/2001
(296) 12.67 ft on 05/22/2011
(297) 12.67 ft on 04/12/1981
(298) 12.59 ft on 06/08/1979
(299) 12.55 ft on 05/01/1997
(300) 12.49 ft on 12/04/1973
(301) 12.40 ft on 09/09/1989
(302) 12.38 ft on 03/11/1971
(303) 12.37 ft on 05/25/2010
(304) 12.23 ft on 11/17/2009
(305) 12.18 ft on 04/28/2014
(306) 12.13 ft on 10/22/2008
(307) 12.10 ft on 06/12/1994
(308) 12.06 ft on 04/30/2009
(309) 10.21 ft on 05/07/2012
(310) 10.01 ft on 05/02/2012
(311) 9.73 ft on 06/26/2003
(312) 7.40 ft on 05/05/2003
(313) 7.31 ft on 05/09/2003
(314) 7.30 ft on 05/01/2006

(P): Preliminary values subject to further review.