Historic Crests
(1) 19.10 ft on 06/10/1918
(2) 18.55 ft on 06/22/1954
(3) 18.17 ft on 06/28/2010
(4) 17.74 ft on 06/10/2008
(5) 16.00 ft on 06/18/1932
(6) 15.94 ft on 07/23/2010
(7) 15.91 ft on 04/06/1965
(8) 15.63 ft on 06/05/1991
(9) 15.55 ft on 05/25/2004
(10) 15.32 ft on 04/01/1993
(11) 14.40 ft on 09/23/2018
(12) 14.39 ft on 03/16/2010
(13) 14.03 ft on 09/25/2016
(14) 13.98 ft on 07/02/1983
(15) 13.95 ft on 06/18/1984
(16) 13.71 ft on 06/26/1981
(17) 13.70 ft on 06/14/1944
(18) 13.67 ft on 05/29/2013
(19) 13.37 ft on 06/28/1951
(20) 13.15 ft on 03/31/1962
(21) 13.06 ft on 05/19/1991
(22) 13.06 ft on 07/11/1993
(23) 13.00 ft on 03/29/1951
(24) 12.78 ft on 07/17/1993
(25) 12.75 ft on 06/25/1947
(26) 12.64 ft on 06/10/1967
(27) 12.64 ft on 06/26/2005
(28) 12.22 ft on 06/06/2008
(29) 12.21 ft on 06/15/1984
(30) 12.17 ft on 06/10/1984
(31) 12.10 ft on 03/29/1960
(32) 12.10 ft on 05/18/1999
(33) 12.05 ft on 06/21/2014
(34) 11.89 ft on 08/16/1993
(35) 11.57 ft on 08/25/1979
(36) 11.55 ft on 03/25/1969
(37) 11.51 ft on 08/16/1945
(38) 11.49 ft on 03/15/2019
(39) 11.48 ft on 09/22/1965
(40) 11.47 ft on 03/20/2001
(41) 11.41 ft on 06/29/1998
(42) 11.40 ft on 05/20/1944
(43) 11.40 ft on 07/10/2003
(44) 11.36 ft on 03/18/2019
(45) 11.24 ft on 08/11/2010
(46) 11.16 ft on 06/19/1993
(47) 11.14 ft on 07/06/1955
(48) 11.14 ft on 06/29/1969
(49) 11.07 ft on 05/01/1984
(50) 11.06 ft on 05/05/2001
(51) 11.00 ft on 04/07/1951
(52) 10.72 ft on 06/01/1991
(53) 10.67 ft on 05/26/1946
(54) 10.65 ft on 05/22/2001
(55) 10.42 ft on 08/23/1993
(56) 10.41 ft on 08/23/2007
(57) 10.40 ft on 06/20/2010
(58) 10.38 ft on 03/30/1979
(59) 10.38 ft on 04/28/1991
(60) 10.38 ft on 04/26/2008
(61) 10.34 ft on 06/24/1998
(62) 10.27 ft on 08/31/1993
(63) 10.26 ft on 06/21/1997
(64) 10.22 ft on 03/13/2008
(65) 10.11 ft on 09/29/1965
(66) 10.10 ft on 01/01/1946
(67) 10.07 ft on 03/19/1979
(68) 9.97 ft on 03/22/2001
(69) 9.96 ft on 05/30/2008
(70) 9.93 ft on 04/26/2007
(71) 9.93 ft on 12/15/2015
(72) 9.91 ft on 02/18/1984
(73) 9.85 ft on 05/02/1951
(74) 9.83 ft on 05/16/1970
(75) 9.80 ft on 03/28/1961
(76) 9.79 ft on 07/11/1982
(77) 9.68 ft on 03/14/1973
(78) 9.68 ft on 05/06/2003
(79) 9.63 ft on 03/23/1979
(80) 9.62 ft on 10/13/1986
(81) 9.59 ft on 03/14/2007
(82) 9.57 ft on 06/08/1993
(83) 9.56 ft on 09/03/1962
(84) 9.52 ft on 07/01/1947
(85) 9.47 ft on 07/15/1958
(86) 9.45 ft on 04/29/1975
(87) 9.44 ft on 04/21/1993
(88) 9.40 ft on 06/17/1990
(89) 9.26 ft on 03/13/1945
(90) 9.25 ft on 03/07/1950
(91) 9.21 ft on 06/02/1945
(92) 9.20 ft on 02/27/1951
(93) 9.18 ft on 04/24/1945
(94) 9.14 ft on 07/01/2014
(95) 9.10 ft on 04/02/2001
(96) 9.09 ft on 07/10/1969
(97) 9.08 ft on 02/20/1983
(98) 9.06 ft on 07/31/2010
(99) 9.01 ft on 04/23/1999
(100) 8.98 ft on 03/08/1983
(101) 8.98 ft on 05/07/2008
(102) 8.95 ft on 06/11/1999
(103) 8.91 ft on 03/19/1986
(104) 8.82 ft on 04/16/1973
(105) 8.82 ft on 06/19/1990
(106) 8.79 ft on 06/22/1974
(107) 8.58 ft on 02/25/1995
(108) 8.57 ft on 02/22/1971
(109) 8.57 ft on 05/15/1982
(110) 8.48 ft on 03/16/1971
(111) 8.40 ft on 02/28/1948
(112) 8.40 ft on 03/19/1948
(113) 8.39 ft on 03/07/1973
(114) 8.37 ft on 05/06/1991
(115) 8.37 ft on 05/27/2001
(116) 8.34 ft on 06/30/1993
(117) 8.34 ft on 06/16/2001
(118) 8.31 ft on 03/14/2008
(119) 8.26 ft on 03/04/1994
(120) 8.24 ft on 03/07/1949
(121) 8.21 ft on 03/20/1969
(122) 8.21 ft on 04/13/2001
(123) 8.19 ft on 05/27/1982
(124) 8.15 ft on 09/17/2016
(125) 8.14 ft on 06/16/1980
(126) 8.13 ft on 03/26/1991
(127) 8.12 ft on 06/06/1965
(128) 8.10 ft on 06/18/1950
(129) 8.10 ft on 07/09/1952
(130) 8.08 ft on 06/15/1951
(131) 8.06 ft on 02/22/2016
(132) 8.05 ft on 06/18/1947
(133) 8.03 ft on 06/25/1994
(134) 8.02 ft on 06/13/1947
(135) 8.02 ft on 06/03/1965
(136) 8.02 ft on 06/19/1998
(137) 8.01 ft on 06/15/2000
(138) 7.97 ft on 05/08/1973
(139) 7.96 ft on 07/13/2000
(140) 7.93 ft on 02/23/1984
(141) 7.93 ft on 04/08/1998
(142) 7.91 ft on 05/27/1965
(143) 7.91 ft on 06/08/1995
(144) 7.91 ft on 07/18/2010
(145) 7.90 ft on 06/16/1967
(146) 7.85 ft on 05/13/1999
(147) 7.81 ft on 02/18/2011
(148) 7.81 ft on 05/26/2011
(149) 7.79 ft on 04/15/1991
(150) 7.77 ft on 08/01/1964
(151) 7.73 ft on 08/10/1993
(152) 7.72 ft on 06/10/1954
(153) 7.72 ft on 06/25/2013
(154) 7.70 ft on 08/06/1972
(155) 7.68 ft on 12/13/1991
(156) 7.67 ft on 03/10/1992
(157) 7.65 ft on 04/01/1952
(158) 7.64 ft on 07/06/1971
(159) 7.62 ft on 05/25/2007
(160) 7.58 ft on 08/20/1998
(161) 7.57 ft on 09/09/1985
(162) 7.56 ft on 03/03/1974
(163) 7.53 ft on 04/17/1998
(164) 7.52 ft on 06/30/1942
(165) 7.52 ft on 06/16/1957
(166) 7.52 ft on 04/29/1963
(167) 7.50 ft on 05/24/1959
(168) 7.50 ft on 04/09/1999
(169) 7.50 ft on 10/19/2007
(170) 7.47 ft on 03/13/1946
(171) 7.44 ft on 05/24/1945
(172) 7.43 ft on 06/18/1978
(173) 7.43 ft on 11/04/1992
(174) 7.42 ft on 04/17/1945
(175) 7.41 ft on 05/14/2005
(176) 7.40 ft on 06/01/1959
(177) 7.34 ft on 07/11/1986
(178) 7.30 ft on 06/03/1951
(179) 7.30 ft on 04/06/1969
(180) 7.30 ft on 01/21/2017
(181) 7.28 ft on 05/06/2013
(182) 7.27 ft on 03/20/1982
(183) 7.25 ft on 05/19/1990
(184) 7.23 ft on 05/11/1993
(185) 7.22 ft on 03/12/1997
(186) 7.21 ft on 05/29/1995
(187) 7.13 ft on 09/30/1973
(188) 7.13 ft on 06/18/2004
(189) 7.10 ft on 06/24/1950
(190) 7.10 ft on 07/15/1952
(191) 7.08 ft on 02/11/2009
(192) 7.06 ft on 06/23/2015
(193) 7.05 ft on 06/15/2010
(194) 7.05 ft on 05/21/2017
(195) 7.04 ft on 08/27/1954
(196) 7.03 ft on 03/19/1983
(197) 7.02 ft on 06/10/1945
(198) 7.00 ft on 06/12/2004
(199) 6.99 ft on 04/01/1971
(200) 6.97 ft on 12/28/1982
(201) 6.93 ft on 04/22/1992
(202) 6.90 ft on 03/28/1949
(203) 6.89 ft on 08/12/1979
(204) 6.89 ft on 04/17/1999
(205) 6.88 ft on 03/27/1995
(206) 6.86 ft on 03/13/1995
(207) 6.85 ft on 06/06/1972
(208) 6.83 ft on 07/17/1968
(209) 6.77 ft on 06/29/2003
(210) 6.75 ft on 03/23/2011
(211) 6.74 ft on 04/03/2007
(212) 6.73 ft on 06/12/1975
(213) 6.71 ft on 03/16/1943
(214) 6.71 ft on 05/22/1982
(215) 6.71 ft on 06/18/1991
(216) 6.71 ft on 04/27/2011
(217) 6.70 ft on 06/07/1942
(218) 6.70 ft on 04/25/1951
(219) 6.70 ft on 05/29/1973
(220) 6.68 ft on 05/28/2009
(221) 6.67 ft on 06/18/1992
(222) 6.67 ft on 07/26/2001
(223) 6.66 ft on 04/03/2006
(224) 6.64 ft on 06/15/1998
(225) 6.63 ft on 03/26/1973
(226) 6.63 ft on 06/24/2007
(227) 6.60 ft on 03/06/1951
(228) 6.60 ft on 03/25/2009
(229) 6.58 ft on 04/14/1995
(230) 6.57 ft on 06/22/1983
(231) 6.56 ft on 04/12/1983
(232) 6.55 ft on 02/20/2011
(233) 6.50 ft on 04/06/1986
(234) 6.50 ft on 06/30/1995
(235) 6.49 ft on 05/09/2006
(236) 6.49 ft on 03/08/2009
(237) 6.48 ft on 10/12/1974
(238) 6.48 ft on 10/31/2009
(239) 6.45 ft on 07/26/1969
(240) 6.45 ft on 05/03/1973
(241) 6.43 ft on 03/20/1997
(242) 6.40 ft on 08/14/2002
(243) 6.40 ft on 09/11/2016
(244) 6.39 ft on 08/28/2015
(245) 6.39 ft on 04/22/1998
(246) 6.37 ft on 05/21/2013
(247) 6.36 ft on 03/10/1997
(248) 6.35 ft on 10/19/1968
(249) 6.32 ft on 07/31/1992
(250) 6.30 ft on 09/28/1986
(251) 6.29 ft on 03/01/1997
(252) 6.28 ft on 04/20/2011
(253) 6.24 ft on 04/02/1983
(254) 6.21 ft on 05/16/1986
(255) 6.20 ft on 05/01/2006
(256) 6.19 ft on 07/06/1963
(257) 6.19 ft on 04/16/1987
(258) 6.18 ft on 02/17/1992
(259) 6.18 ft on 03/25/1997
(260) 6.17 ft on 05/09/2009
(261) 6.15 ft on 05/07/1983
(262) 6.15 ft on 05/14/2010
(263) 6.13 ft on 06/13/2013
(264) 6.12 ft on 04/18/1969
(265) 6.11 ft on 05/06/1972
(266) 6.09 ft on 04/14/1984
(267) 6.09 ft on 04/28/2009
(268) 6.07 ft on 05/20/1983
(269) 6.07 ft on 02/14/2005
(270) 6.06 ft on 06/07/1963
(271) 6.06 ft on 07/29/1990
(272) 6.05 ft on 05/03/1997
(273) 6.04 ft on 03/13/1991
(274) 6.03 ft on 06/29/1967
(275) 6.03 ft on 03/19/1975
(276) 6.03 ft on 06/21/1996
(277) 5.98 ft on 06/28/2011
(278) 5.97 ft on 06/18/1975
(279) 5.96 ft on 04/17/1982
(280) 5.93 ft on 11/08/1972
(281) 5.93 ft on 07/20/1990
(282) 5.92 ft on 05/30/1986
(283) 5.92 ft on 04/02/2016
(284) 5.91 ft on 05/25/1989
(285) 5.90 ft on 06/23/1999
(286) 5.89 ft on 07/18/1982
(287) 5.89 ft on 09/21/1983
(288) 5.89 ft on 10/19/1994
(289) 5.87 ft on 07/14/1992
(290) 5.82 ft on 04/01/2008
(291) 5.81 ft on 02/19/1998
(292) 5.81 ft on 08/23/2002
(293) 5.76 ft on 07/12/1987
(294) 5.74 ft on 08/29/2007
(295) 5.72 ft on 05/01/1953
(296) 5.71 ft on 06/15/1966
(297) 5.69 ft on 07/01/1997
(298) 5.69 ft on 08/06/2002
(299) 5.68 ft on 08/20/2016
(300) 5.66 ft on 04/20/2008
(301) 5.62 ft on 05/01/2010
(302) 5.58 ft on 05/02/2012
(303) 5.56 ft on 06/01/2016
(304) 5.46 ft on 08/16/1977
(305) 5.46 ft on 06/22/2011
(306) 5.40 ft on 06/03/1941
(307) 5.39 ft on 05/02/2016
(308) 5.37 ft on 05/27/2016
(309) 5.19 ft on 05/23/1976
(310) 4.82 ft on 03/03/1988
(311) 4.32 ft on 05/30/1956

(P): Preliminary values subject to further review.