Historic Crests
(1) 24.29 ft on 09/16/1992
(2) 22.80 ft on 08/08/1885
(3) 21.70 ft on 04/24/1897
(4) 21.00 ft on 08/27/1903
(5) 20.53 ft on 07/05/1993
(6) 20.30 ft on 07/06/1909
(7) 20.20 ft on 08/16/1914
(8) 20.10 ft on 06/14/1947
(9) 19.90 ft on 07/18/1922
(10) 19.60 ft on 03/28/1915
(11) 19.43 ft on 06/10/1974
(12) 19.30 ft on 06/06/1947
(13) 19.10 ft on 09/09/1926
(14) 19.00 ft on 06/26/1924
(15) 18.90 ft on 05/08/2007
(16) 18.80 ft on 06/04/1919
(17) 18.42 ft on 08/06/1959
(18) 17.80 ft on 03/16/1919
(19) 17.80 ft on 05/04/1919
(20) 17.60 ft on 09/01/1922
(21) 17.40 ft on 11/13/1922
(22) 16.90 ft on 03/24/1920
(23) 16.90 ft on 05/13/1920
(24) 16.77 ft on 07/24/2008
(25) 16.68 ft on 04/18/2013
(26) 16.63 ft on 03/30/1960
(27) 16.46 ft on 06/07/2008
(28) 16.40 ft on 04/21/1920
(29) 16.00 ft on 03/26/1920
(30) 15.71 ft on 06/05/2010
(31) 15.50 ft on 07/30/1922
(32) 15.20 ft on 11/11/1919
(33) 15.20 ft on 04/02/1920
(34) 15.20 ft on 01/06/1946
(35) 15.10 ft on 06/02/1921
(36) 15.00 ft on 05/23/1922
(37) 14.74 ft on 07/24/1993
(38) 14.70 ft on 06/06/1918
(39) 14.60 ft on 04/22/1919
(40) 14.51 ft on 09/10/2014
(41) 14.50 ft on 05/11/1921
(42) 14.40 ft on 03/01/1924
(43) 14.32 ft on 06/04/2014
(44) 14.21 ft on 10/11/1973
(45) 14.20 ft on 09/30/1919
(46) 14.20 ft on 04/23/1944
(47) 13.90 ft on 04/17/1945
(48) 13.81 ft on 08/28/1987
(49) 13.75 ft on 05/02/1951
(50) 13.70 ft on 04/27/1920
(51) 13.50 ft on 06/20/1942
(52) 13.33 ft on 07/01/1993
(53) 13.30 ft on 07/20/1990
(54) 13.26 ft on 04/26/1976
(55) 13.15 ft on 05/29/2019
(56) 13.10 ft on 06/03/1925
(57) 12.99 ft on 05/10/1996
(58) 12.96 ft on 07/12/1987
(59) 12.94 ft on 06/02/1980
(60) 12.90 ft on 05/15/1945
(61) 12.60 ft on 06/23/1947
(62) 12.55 ft on 06/18/1990
(63) 12.45 ft on 09/16/1972
(64) 12.20 ft on 11/02/1941
(65) 12.10 ft on 06/13/1943
(66) 12.10 ft on 07/09/1987
(67) 12.01 ft on 07/09/1969
(68) 12.00 ft on 10/09/1941
(69) 12.00 ft on 06/26/1942
(70) 11.96 ft on 06/14/1967
(71) 11.95 ft on 04/19/1991
(72) 11.92 ft on 01/14/1960
(73) 11.84 ft on 03/19/1982
(74) 11.83 ft on 05/23/1995
(75) 11.80 ft on 05/10/1950
(76) 11.80 ft on 03/31/1998
(77) 11.70 ft on 05/03/1944
(78) 11.70 ft on 04/05/1947
(79) 11.70 ft on 05/25/1990
(80) 11.69 ft on 07/10/1993
(81) 11.69 ft on 07/22/1993
(82) 11.68 ft on 09/20/1978
(83) 11.65 ft on 06/23/1967
(84) 11.60 ft on 04/12/1947
(85) 11.50 ft on 05/15/1943
(86) 11.50 ft on 03/17/1945
(87) 11.47 ft on 05/27/1996
(88) 11.40 ft on 06/19/1950
(89) 11.39 ft on 07/19/1969
(90) 11.37 ft on 04/19/1978
(91) 11.32 ft on 08/21/1993
(92) 11.29 ft on 07/11/1993
(93) 11.28 ft on 02/03/1973
(94) 11.27 ft on 03/31/1973
(95) 11.15 ft on 06/12/2008
(96) 11.10 ft on 06/19/1946
(97) 11.04 ft on 12/14/1992
(98) 10.98 ft on 07/28/2008
(99) 10.92 ft on 08/27/2004
(100) 10.82 ft on 09/12/1972
(101) 10.72 ft on 05/06/1982
(102) 10.71 ft on 04/16/1973
(103) 10.60 ft on 05/31/1959
(104) 10.55 ft on 05/17/1986
(105) 10.46 ft on 05/07/1978
(106) 10.44 ft on 09/01/2018
(107) 10.35 ft on 09/27/1959
(108) 10.34 ft on 03/23/1979
(109) 10.31 ft on 06/27/2011
(110) 10.25 ft on 05/11/1959
(111) 10.22 ft on 05/26/2011
(112) 10.19 ft on 07/30/1992
(113) 10.16 ft on 05/13/1995
(114) 10.15 ft on 12/30/1972
(115) 10.01 ft on 07/29/2015
(116) 10.00 ft on 05/03/1946
(117) 9.93 ft on 04/20/1976
(118) 9.93 ft on 03/11/2010
(119) 9.93 ft on 08/30/2014
(120) 9.89 ft on 07/01/1960
(121) 9.89 ft on 04/27/2009
(122) 9.87 ft on 07/13/1993
(123) 9.82 ft on 05/27/1951
(124) 9.80 ft on 05/16/2009
(125) 9.78 ft on 08/13/1986
(126) 9.78 ft on 07/05/2009
(127) 9.76 ft on 09/09/1989
(128) 9.72 ft on 07/07/1987
(129) 9.70 ft on 05/21/1944
(130) 9.70 ft on 09/19/1986
(131) 9.69 ft on 06/13/1969
(132) 9.68 ft on 04/16/2012
(133) 9.64 ft on 06/14/2010
(134) 9.63 ft on 05/07/1972
(135) 9.63 ft on 03/24/2009
(136) 9.57 ft on 05/13/2010
(137) 9.57 ft on 12/14/2015
(138) 9.55 ft on 07/08/1987
(139) 9.52 ft on 04/04/1986
(140) 9.50 ft on 04/14/1991
(141) 9.48 ft on 08/27/2007
(142) 9.40 ft on 09/17/1941
(143) 9.35 ft on 04/08/1965
(144) 9.28 ft on 11/21/1992
(145) 9.23 ft on 06/09/1984
(146) 9.22 ft on 07/15/1958
(147) 9.22 ft on 05/22/1982
(148) 9.21 ft on 09/26/1973
(149) 9.18 ft on 04/20/1959
(150) 9.16 ft on 03/22/1978
(151) 9.14 ft on 09/08/1964
(152) 9.13 ft on 12/27/2008
(153) 9.10 ft on 05/08/1965
(154) 9.08 ft on 03/17/1965
(155) 9.07 ft on 10/24/1977
(156) 9.06 ft on 12/28/1982
(157) 9.05 ft on 03/25/1973
(158) 9.02 ft on 04/25/2010
(159) 8.99 ft on 06/05/1980
(160) 8.97 ft on 03/10/2009
(161) 8.94 ft on 09/02/1992
(162) 8.93 ft on 05/05/1991
(163) 8.91 ft on 08/17/2014
(164) 8.90 ft on 05/30/1947
(165) 8.89 ft on 03/14/1973
(166) 8.87 ft on 09/21/1965
(167) 8.86 ft on 11/16/1961
(168) 8.70 ft on 07/12/2015
(169) 8.68 ft on 07/16/2015
(170) 8.67 ft on 05/30/2011
(171) 8.66 ft on 08/27/2009
(172) 8.60 ft on 03/20/1948
(173) 8.60 ft on 03/02/2008
(174) 8.58 ft on 04/23/1968
(175) 8.57 ft on 04/21/1992
(176) 8.56 ft on 06/16/2015
(177) 8.53 ft on 08/24/2014
(178) 8.51 ft on 05/12/2014
(179) 8.49 ft on 05/30/1974
(180) 8.46 ft on 05/27/1983
(181) 8.43 ft on 04/18/2008
(182) 8.43 ft on 06/03/2008
(183) 8.42 ft on 05/26/2015
(184) 8.41 ft on 06/23/1996
(185) 8.40 ft on 02/20/1971
(186) 8.36 ft on 05/08/1973
(187) 8.36 ft on 03/25/2010
(188) 8.35 ft on 09/24/1986
(189) 8.34 ft on 04/27/1991
(190) 8.29 ft on 03/11/1973
(191) 8.29 ft on 05/08/1995
(192) 8.27 ft on 04/21/1974
(193) 8.25 ft on 08/31/1980
(194) 8.25 ft on 06/16/1991
(195) 8.25 ft on 04/09/2001
(196) 8.24 ft on 10/09/1985
(197) 8.22 ft on 09/13/1961
(198) 8.20 ft on 09/19/2010
(199) 8.19 ft on 07/27/1958
(200) 8.16 ft on 04/05/2017
(201) 8.15 ft on 04/30/1984
(202) 8.10 ft on 05/02/1973
(203) 8.09 ft on 11/30/1975
(204) 8.08 ft on 04/03/1983
(205) 8.07 ft on 05/11/2002
(206) 8.06 ft on 09/01/1980
(207) 8.06 ft on 04/14/1981
(208) 8.05 ft on 04/22/1984
(209) 8.04 ft on 07/01/1959
(210) 7.99 ft on 05/14/1970
(211) 7.99 ft on 07/05/1981
(212) 7.98 ft on 06/18/1984
(213) 7.94 ft on 04/26/2007
(214) 7.94 ft on 06/07/2014
(215) 7.93 ft on 05/15/1982
(216) 7.90 ft on 03/09/2009
(217) 7.87 ft on 04/28/1969
(218) 7.84 ft on 03/19/1979
(219) 7.84 ft on 05/29/2013
(220) 7.80 ft on 06/26/1949
(221) 7.80 ft on 07/28/1966
(222) 7.79 ft on 03/13/1952
(223) 7.76 ft on 09/26/1993
(224) 7.74 ft on 09/23/1964
(225) 7.71 ft on 05/09/1969
(226) 7.67 ft on 03/26/1959
(227) 7.67 ft on 04/16/2011
(228) 7.66 ft on 02/18/1992
(229) 7.64 ft on 06/02/1994
(230) 7.63 ft on 05/17/2015
(231) 7.62 ft on 06/01/1996
(232) 7.62 ft on 11/27/2015
(233) 7.61 ft on 04/10/1978
(234) 7.59 ft on 07/22/1978
(235) 7.58 ft on 05/01/1986
(236) 7.57 ft on 04/17/1982
(237) 7.57 ft on 05/20/1984
(238) 7.56 ft on 03/20/1962
(239) 7.56 ft on 02/21/1997
(240) 7.55 ft on 03/05/1993
(241) 7.54 ft on 04/03/1957
(242) 7.52 ft on 05/12/2011
(243) 7.50 ft on 05/26/1984
(244) 7.50 ft on 10/12/1986
(245) 7.49 ft on 06/01/1987
(246) 7.47 ft on 12/06/1982
(247) 7.46 ft on 06/27/2008
(248) 7.44 ft on 05/08/1993
(249) 7.43 ft on 02/21/1985
(250) 7.42 ft on 05/28/1995
(251) 7.42 ft on 08/15/1987
(252) 7.40 ft on 05/11/2010
(253) 7.38 ft on 06/08/2015
(254) 7.38 ft on 03/18/1975
(255) 7.36 ft on 04/16/1999
(256) 7.35 ft on 04/15/1987
(257) 7.34 ft on 07/07/1982
(258) 7.32 ft on 06/20/1990
(259) 7.27 ft on 06/12/1984
(260) 7.26 ft on 07/05/1951
(261) 7.25 ft on 01/23/2010
(262) 7.24 ft on 06/12/1999
(263) 7.17 ft on 06/20/1993
(264) 7.16 ft on 05/23/1996
(265) 7.08 ft on 03/15/1990
(266) 7.05 ft on 06/21/1964
(267) 7.00 ft on 06/16/2013
(268) 6.98 ft on 05/12/1951
(269) 6.98 ft on 03/29/1951
(270) 6.97 ft on 04/17/1960
(271) 6.93 ft on 06/08/2009
(272) 6.90 ft on 06/29/2014
(273) 6.88 ft on 11/25/2009
(274) 6.84 ft on 09/13/2008
(275) 6.83 ft on 05/22/2011
(276) 6.79 ft on 05/01/1997
(277) 6.78 ft on 03/14/1961
(278) 6.76 ft on 08/24/2004
(279) 6.75 ft on 05/28/2014
(280) 6.71 ft on 02/17/2011
(281) 6.70 ft on 04/19/2011
(282) 6.66 ft on 02/23/1985
(283) 6.66 ft on 06/14/2001
(284) 6.63 ft on 02/18/1961
(285) 6.62 ft on 02/25/2007
(286) 6.61 ft on 07/05/1995
(287) 6.61 ft on 11/03/1961
(288) 6.61 ft on 11/13/1951
(289) 6.59 ft on 04/27/1995
(290) 6.58 ft on 08/26/2004
(291) 6.56 ft on 08/28/2014
(292) 6.55 ft on 04/25/2008
(293) 6.55 ft on 04/11/2008
(294) 6.50 ft on 05/27/2009
(295) 6.49 ft on 04/11/1995
(296) 6.47 ft on 10/23/2008
(297) 6.43 ft on 03/31/1993
(298) 6.41 ft on 05/03/1997
(299) 6.37 ft on 05/30/2008
(300) 6.37 ft on 06/20/2010
(301) 6.36 ft on 12/24/2015
(302) 6.34 ft on 09/21/2010
(303) 6.31 ft on 07/21/2010
(304) 6.27 ft on 06/10/1962
(305) 6.18 ft on 05/31/1962
(306) 6.16 ft on 06/21/2001
(307) 6.15 ft on 06/01/2001
(308) 6.15 ft on 03/16/2016
(309) 6.14 ft on 05/18/1999
(310) 6.14 ft on 05/02/2016
(311) 6.12 ft on 09/03/1977
(312) 6.04 ft on 05/14/2005
(313) 6.00 ft on 03/04/1963
(314) 5.86 ft on 03/30/1953
(315) 5.82 ft on 05/17/1966
(316) 5.70 ft on 06/13/1966
(317) 5.69 ft on 07/01/1965
(318) 5.45 ft on 02/20/1988
(319) 5.37 ft on 11/29/1987
(320) 5.05 ft on 05/01/2006
(321) 4.81 ft on 03/03/1955
(322) 4.70 ft on 08/09/1956
(323) 4.56 ft on 06/15/1954
(324) 4.24 ft on 05/09/2003
(325) 3.21 ft on 06/26/2000

(P): Preliminary values subject to further review.