Historic Crests
(1) 27.20 ft on 09/01/1929
(2) 23.90 ft on 04/06/1948
(3) 22.89 ft on 04/07/2009
(4) 21.26 ft on 03/09/1991
(5) 20.60 ft on 02/03/1991
(6) 20.48 ft on 02/15/1986
(7) 20.12 ft on 03/12/1984
(8) 19.80 ft on 10/03/1953
(9) 19.60 ft on 09/05/1949
(10) 19.40 ft on 03/08/1964
(11) 19.38 ft on 03/15/1998
(12) 19.35 ft on 03/19/1980
(13) 19.20 ft on 12/12/1964
(14) 19.10 ft on 04/12/1960
(15) 19.10 ft on 04/23/1961
(16) 19.10 ft on 03/12/1959
(17) 18.90 ft on 03/15/1948
(18) 18.90 ft on 02/19/1995
(19) 18.80 ft on 01/09/1942
(20) 18.68 ft on 04/10/1973
(21) 18.51 ft on 12/20/1947
(22) 18.47 ft on 09/11/2004
(23) 18.40 ft on 03/11/2020
(24) 18.39 ft on 02/03/1984
(25) 18.30 ft on 03/31/1944
(26) 18.27 ft on 03/12/2003
(27) 18.23 ft on 03/04/2013
(28) 18.19 ft on 10/22/1947
(29) 18.04 ft on 10/19/1994
(30) 17.98 ft on 03/14/1944
(31) 17.60 ft on 03/14/1983
(32) 17.58 ft on 01/01/1998
(33) 17.56 ft on 01/11/1987
(34) 17.50 ft on 09/16/2004
(35) 17.50 ft on 03/07/1939
(36) 17.48 ft on 03/10/1966
(37) 17.40 ft on 05/02/2021
(38) 17.39 ft on 02/12/2016
(39) 17.30 ft on 04/20/1958
(40) 17.25 ft on 02/27/1998
(41) 17.25 ft on 01/27/1987
(42) 17.21 ft on 08/25/2013
(43) 17.18 ft on 04/02/2005
(44) 17.10 ft on 04/27/1944
(45) 17.10 ft on 04/25/2014
(46) 17.08 ft on 10/05/2004
(47) 17.06 ft on 04/22/1975
(48) 17.05 ft on 01/30/2017
(49) 17.04 ft on 02/25/2021
(50) 17.03 ft on 12/07/1976
(51) 17.00 ft on 02/18/1933
(52) 17.00 ft on 05/18/1979
(53) 16.98 ft on 12/10/2018
(54) 16.92 ft on 02/18/1973
(55) 16.88 ft on 03/01/2008
(56) 16.88 ft on 01/18/1993
(57) 16.82 ft on 02/23/1983
(58) 16.81 ft on 03/28/2003
(59) 16.76 ft on 02/13/1972
(60) 16.74 ft on 12/07/2018
(61) 16.73 ft on 01/29/2010
(62) 16.68 ft on 02/21/1998
(63) 16.68 ft on 01/31/1998
(64) 16.68 ft on 01/15/1967
(65) 16.65 ft on 03/22/1959
(66) 16.60 ft on 09/11/1950
(67) 16.58 ft on 01/27/1998
(68) 16.56 ft on 04/10/1980
(69) 16.53 ft on 11/20/1947
(70) 16.50 ft on 10/24/1950
(71) 16.47 ft on 01/11/1977
(72) 16.42 ft on 09/17/1964
(73) 16.42 ft on 08/01/1964
(74) 16.40 ft on 03/25/1983
(75) 16.40 ft on 09/11/1933
(76) 16.34 ft on 02/11/1998
(77) 16.32 ft on 01/01/2015
(78) 16.30 ft on 02/27/1987
(79) 16.30 ft on 04/12/1962
(80) 16.30 ft on 04/14/1937
(81) 16.29 ft on 04/09/2016
(82) 16.28 ft on 03/07/1979
(83) 16.28 ft on 03/08/1965
(84) 16.28 ft on 02/22/1965
(85) 16.21 ft on 04/03/1970
(86) 16.20 ft on 09/18/1935
(87) 16.18 ft on 04/28/1983
(88) 16.14 ft on 12/23/1997
(89) 16.13 ft on 03/16/1977
(90) 16.13 ft on 03/19/1966
(91) 16.11 ft on 08/25/1971
(92) 16.10 ft on 01/28/1978
(93) 16.07 ft on 09/17/2017
(94) 16.05 ft on 04/07/1970
(95) 16.02 ft on 06/27/1973
(96) 16.00 ft on 04/25/1947
(97) 15.92 ft on 04/09/1951
(98) 15.92 ft on 11/12/1947
(99) 15.92 ft on 03/15/1942
(100) 15.90 ft on 03/11/2021
(101) 15.87 ft on 04/17/2003
(102) 15.86 ft on 03/31/1937
(103) 15.83 ft on 04/07/1965
(104) 15.81 ft on 06/02/1976
(105) 15.80 ft on 06/11/1934
(106) 15.79 ft on 04/16/2014
(107) 15.75 ft on 03/24/1965
(108) 15.69 ft on 05/10/1964
(109) 15.69 ft on 01/25/1964
(110) 15.69 ft on 02/26/1960
(111) 15.64 ft on 07/13/2013
(112) 15.63 ft on 02/29/1988
(113) 15.61 ft on 12/21/1986
(114) 15.61 ft on 04/23/1983
(115) 15.61 ft on 01/25/1975
(116) 15.61 ft on 09/03/1964
(117) 15.61 ft on 09/29/1947
(118) 15.61 ft on 09/19/1974
(119) 15.60 ft on 10/30/1944
(120) 15.58 ft on 01/24/1972
(121) 15.55 ft on 05/07/1973
(122) 15.53 ft on 05/01/2020
(123) 15.52 ft on 03/18/1978
(124) 15.45 ft on 04/05/1984
(125) 15.45 ft on 10/04/1979
(126) 15.45 ft on 03/29/1965
(127) 15.45 ft on 03/12/1994
(128) 15.42 ft on 09/16/1992
(129) 15.40 ft on 08/31/1932
(130) 15.39 ft on 06/12/1959
(131) 15.36 ft on 02/01/1983
(132) 15.36 ft on 12/20/1976
(133) 15.33 ft on 08/11/1991
(134) 15.32 ft on 07/05/2005
(135) 15.30 ft on 08/17/2003
(136) 15.30 ft on 10/28/1976
(137) 15.29 ft on 04/22/2009
(138) 15.27 ft on 12/19/2018
(139) 15.27 ft on 02/26/1997
(140) 15.26 ft on 08/27/1945
(141) 15.24 ft on 11/06/1997
(142) 15.23 ft on 07/07/1932
(143) 15.20 ft on 04/02/1993
(144) 15.20 ft on 02/09/1983
(145) 15.19 ft on 06/01/1969
(146) 15.18 ft on 03/12/1987
(147) 15.17 ft on 03/29/1930
(148) 15.17 ft on 02/26/1944
(149) 15.17 ft on 09/07/1971
(150) 15.17 ft on 04/02/1984
(151) 15.13 ft on 02/14/1983
(152) 15.13 ft on 01/25/1995
(153) 15.12 ft on 07/23/1991
(154) 15.10 ft on 04/10/1930
(155) 15.04 ft on 11/24/1997
(156) 15.03 ft on 03/29/1975
(157) 15.02 ft on 06/02/2009
(158) 14.99 ft on 10/12/1947
(159) 14.99 ft on 02/07/1976
(160) 14.97 ft on 03/08/2015
(161) 14.96 ft on 02/28/1992
(162) 14.95 ft on 08/31/1970
(163) 14.95 ft on 04/05/1993
(164) 14.94 ft on 05/31/1966
(165) 14.91 ft on 03/27/2021
(166) 14.90 ft on 03/30/1969
(167) 14.89 ft on 02/25/2004
(168) 14.86 ft on 02/01/1966
(169) 14.81 ft on 02/19/1959
(170) 14.81 ft on 02/17/1987
(171) 14.79 ft on 03/28/1998
(172) 14.75 ft on 10/27/1964
(173) 14.74 ft on 08/19/1945
(174) 14.73 ft on 08/08/2018
(175) 14.73 ft on 02/27/1942
(176) 14.69 ft on 01/10/2006
(177) 14.67 ft on 02/03/1975
(178) 14.66 ft on 07/21/2013
(179) 14.64 ft on 03/28/1942
(180) 14.63 ft on 01/16/1983
(181) 14.62 ft on 03/01/1990
(182) 14.58 ft on 12/03/1992
(183) 14.58 ft on 08/17/1937
(184) 14.53 ft on 06/07/1959
(185) 14.52 ft on 07/21/1982
(186) 14.51 ft on 02/10/1994
(187) 14.50 ft on 02/17/1936
(188) 14.50 ft on 02/26/1940
(189) 14.47 ft on 02/13/2006
(190) 14.47 ft on 03/08/1983
(191) 14.47 ft on 01/09/1984
(192) 14.44 ft on 07/16/1979
(193) 14.43 ft on 06/20/1932
(194) 14.42 ft on 04/09/1972
(195) 14.40 ft on 01/07/1946
(196) 14.39 ft on 09/09/1985
(197) 14.38 ft on 03/15/1993
(198) 14.38 ft on 06/11/2009
(199) 14.36 ft on 04/10/1983
(200) 14.34 ft on 05/06/1988
(201) 14.33 ft on 03/19/1958
(202) 14.31 ft on 02/20/1979
(203) 14.30 ft on 09/01/1992
(204) 14.30 ft on 02/16/1970
(205) 14.25 ft on 03/27/2014
(206) 14.25 ft on 03/27/2001
(207) 14.25 ft on 04/09/1987
(208) 14.24 ft on 01/19/1990
(209) 14.20 ft on 08/05/1982
(210) 14.19 ft on 01/14/2021
(211) 14.19 ft on 02/05/1995
(212) 14.18 ft on 02/16/2010
(213) 14.18 ft on 08/24/1970
(214) 14.17 ft on 03/02/1970
(215) 14.16 ft on 01/12/2019
(216) 14.16 ft on 05/05/1984
(217) 14.16 ft on 12/24/1985
(218) 14.15 ft on 02/03/2019
(219) 14.14 ft on 04/11/1959
(220) 14.12 ft on 09/22/1945
(221) 14.11 ft on 02/07/1980
(222) 14.05 ft on 12/24/1948
(223) 14.04 ft on 02/21/1967
(224) 14.03 ft on 07/07/1972
(225) 13.95 ft on 06/09/1995
(226) 13.95 ft on 02/11/1992
(227) 13.94 ft on 12/12/2008
(228) 13.93 ft on 02/03/2015
(229) 13.89 ft on 02/20/1974
(230) 13.89 ft on 03/25/1986
(231) 13.88 ft on 03/20/2010
(232) 13.88 ft on 02/08/1992
(233) 13.87 ft on 10/11/1992
(234) 13.85 ft on 08/13/1973
(235) 13.84 ft on 10/25/1932
(236) 13.84 ft on 11/09/1932
(237) 13.84 ft on 09/18/1945
(238) 13.83 ft on 01/03/1972
(239) 13.83 ft on 02/17/1992
(240) 13.79 ft on 07/31/1975
(241) 13.78 ft on 06/06/1973
(242) 13.76 ft on 06/12/1970
(243) 13.74 ft on 07/28/1945
(244) 13.71 ft on 03/02/1937
(245) 13.71 ft on 03/17/1988
(246) 13.70 ft on 08/05/1938
(247) 13.64 ft on 04/01/2013
(248) 13.64 ft on 05/08/1945
(249) 13.64 ft on 10/17/1946
(250) 13.64 ft on 07/02/1966
(251) 13.61 ft on 02/18/1949
(252) 13.60 ft on 07/08/1963
(253) 13.59 ft on 11/08/1969
(254) 13.58 ft on 09/01/1995
(255) 13.57 ft on 02/27/1982
(256) 13.56 ft on 03/12/2012
(257) 13.54 ft on 05/08/1982
(258) 13.51 ft on 09/21/1932
(259) 13.50 ft on 06/17/1957
(260) 13.45 ft on 05/09/1949
(261) 13.45 ft on 07/18/1950
(262) 13.44 ft on 02/02/1946
(263) 13.44 ft on 08/05/1946
(264) 13.44 ft on 12/12/1977
(265) 13.44 ft on 09/14/1979
(266) 13.43 ft on 01/20/1933
(267) 13.41 ft on 12/23/1994
(268) 13.40 ft on 04/23/1953
(269) 13.39 ft on 08/03/1951
(270) 13.35 ft on 08/18/2005
(271) 13.34 ft on 04/15/1947
(272) 13.34 ft on 08/10/1971
(273) 13.33 ft on 08/13/1936
(274) 13.31 ft on 04/12/1992
(275) 13.30 ft on 01/08/1954
(276) 13.28 ft on 02/19/1993
(277) 13.27 ft on 01/06/1949
(278) 13.25 ft on 04/27/2015
(279) 13.23 ft on 03/03/1949
(280) 13.23 ft on 08/19/1974
(281) 13.20 ft on 07/27/1941
(282) 13.19 ft on 12/13/1994
(283) 13.18 ft on 06/23/1966
(284) 13.16 ft on 01/19/1970
(285) 13.16 ft on 01/18/1986
(286) 13.12 ft on 08/06/1994
(287) 13.12 ft on 09/04/1969
(288) 13.11 ft on 02/11/1948
(289) 13.11 ft on 02/14/1948
(290) 13.10 ft on 04/11/1991
(291) 13.10 ft on 03/01/1963
(292) 13.09 ft on 01/03/1965
(293) 13.08 ft on 06/28/1976
(294) 13.07 ft on 04/19/1939
(295) 13.06 ft on 03/19/2008
(296) 13.04 ft on 08/27/1974
(297) 13.02 ft on 03/22/1947
(298) 13.02 ft on 10/04/1969
(299) 13.01 ft on 12/17/1957
(300) 13.00 ft on 04/02/1992
(301) 13.00 ft on 01/26/1931
(302) 13.00 ft on 03/17/1943
(303) 12.97 ft on 09/01/1967
(304) 12.96 ft on 10/08/1998
(305) 12.93 ft on 09/09/1989
(306) 12.92 ft on 03/29/1995
(307) 12.91 ft on 09/07/1961
(308) 12.90 ft on 03/11/1952
(309) 12.90 ft on 06/26/2003
(310) 12.89 ft on 04/14/1949
(311) 12.89 ft on 01/14/1976
(312) 12.89 ft on 12/06/1985
(313) 12.88 ft on 03/09/2006
(314) 12.87 ft on 08/21/1967
(315) 12.87 ft on 11/10/1985
(316) 12.85 ft on 01/07/2005
(317) 12.82 ft on 12/31/2009
(318) 12.80 ft on 03/19/1970
(319) 12.80 ft on 02/28/1978
(320) 12.78 ft on 02/23/1948
(321) 12.78 ft on 03/04/1978
(322) 12.77 ft on 03/24/1995
(323) 12.76 ft on 05/06/1991
(324) 12.73 ft on 01/01/1978
(325) 12.73 ft on 08/25/1991
(326) 12.72 ft on 08/14/1944
(327) 12.70 ft on 07/23/1963
(328) 12.67 ft on 09/18/2003
(329) 12.67 ft on 08/07/1937
(330) 12.67 ft on 12/18/1979
(331) 12.63 ft on 06/11/1991
(332) 12.61 ft on 05/23/1946
(333) 12.61 ft on 08/22/1976
(334) 12.61 ft on 01/03/1995
(335) 12.60 ft on 08/02/2003
(336) 12.59 ft on 03/24/1962
(337) 12.56 ft on 07/06/1976
(338) 12.04 ft on 02/08/1999
(339) 11.80 ft on 09/21/1955
(340) 11.52 ft on 10/10/2007
(341) 11.38 ft on 03/23/1996
(342) 11.30 ft on 02/22/1956
(343) 11.25 ft on 03/10/2002
(344) 11.02 ft on 04/14/1981
(345) 10.21 ft on 03/20/1968
(346) 8.45 ft on 04/10/2011

(P): Preliminary values subject to further review.