Historic Crests
(1) 34.00 ft on 03/27/1913
(2) 32.83 ft on 05/20/1943
(3) 32.06 ft on 06/15/1958
(4) 31.97 ft on 01/15/2005
(5) 31.89 ft on 04/21/2013
(6) 30.89 ft on 02/26/1985
(7) 30.43 ft on 07/12/2003
(8) 30.11 ft on 02/09/2008
(9) 30.09 ft on 12/31/2015 (P)
(10) 29.98 ft on 01/01/1991
(11) 29.81 ft on 04/15/1994
(12) 29.72 ft on 02/24/2018 (P)
(13) 29.57 ft on 01/07/1950
(14) 29.31 ft on 02/14/1959
(15) 29.25 ft on 04/29/2011
(16) 29.10 ft on 01/16/1950
(17) 28.99 ft on 02/01/1969
(18) 28.30 ft on 02/04/1968
(19) 28.19 ft on 05/14/1933
(20) 27.80 ft on 06/16/1998
(21) 27.60 ft on 02/29/1936
(22) 27.52 ft on 03/15/1939
(23) 27.52 ft on 01/24/1974
(24) 27.41 ft on 01/08/1993
(25) 27.37 ft on 05/05/1983
(26) 27.33 ft on 06/09/2008
(27) 27.27 ft on 06/16/2004
(28) 27.15 ft on 05/14/2002
(29) 27.06 ft on 02/22/1951
(30) 27.06 ft on 03/07/1979
(31) 27.00 ft on 01/16/1930
(32) 26.74 ft on 01/07/2005
(33) 26.68 ft on 03/17/1982
(34) 26.63 ft on 06/22/2015
(35) 26.58 ft on 05/06/2017 (P)
(36) 26.43 ft on 04/24/1964
(37) 26.30 ft on 01/26/1999
(38) 26.28 ft on 03/13/1990
(39) 26.17 ft on 04/15/1944
(40) 26.11 ft on 06/29/1957
(41) 26.00 ft on 03/01/1997
(42) 25.99 ft on 01/17/2007
(43) 25.99 ft on 03/02/1997
(44) 25.90 ft on 11/14/1992
(45) 25.85 ft on 01/12/2008
(46) 25.77 ft on 03/25/1978
(47) 25.74 ft on 12/12/1966
(48) 25.70 ft on 02/18/1950
(49) 25.65 ft on 04/26/1961
(50) 25.48 ft on 03/08/1963
(51) 25.30 ft on 02/28/1997
(52) 24.88 ft on 05/02/1959
(53) 24.85 ft on 12/04/1927
(54) 24.80 ft on 04/20/1939
(55) 24.78 ft on 09/10/1926
(56) 24.69 ft on 03/14/2009
(57) 24.68 ft on 01/31/1962
(58) 24.62 ft on 04/12/1938
(59) 24.62 ft on 04/25/1970
(60) 24.60 ft on 12/26/1967
(61) 24.57 ft on 01/23/1949
(62) 24.50 ft on 05/19/1981
(63) 24.40 ft on 01/29/1950
(64) 24.40 ft on 04/07/1950
(65) 24.33 ft on 06/24/2010
(66) 24.30 ft on 07/04/1938
(67) 24.21 ft on 04/23/1972
(68) 24.18 ft on 03/28/1948
(69) 24.16 ft on 03/24/1927
(70) 24.15 ft on 01/16/1937
(71) 24.12 ft on 12/23/1957
(72) 24.03 ft on 04/11/1957
(73) 24.03 ft on 02/19/1976
(74) 23.98 ft on 03/17/1925
(75) 23.90 ft on 02/19/1949
(76) 23.90 ft on 02/13/2009
(77) 23.89 ft on 12/13/1985
(78) 23.81 ft on 05/12/1996
(79) 23.70 ft on 03/24/1933
(80) 23.64 ft on 01/01/1973
(81) 23.54 ft on 06/05/1980
(82) 23.50 ft on 04/04/2018 (P)
(83) 23.25 ft on 01/06/2004
(84) 23.08 ft on 02/25/1962
(85) 23.08 ft on 03/25/1962
(86) 22.82 ft on 06/08/1947
(87) 22.82 ft on 05/28/1989
(88) 22.82 ft on 01/23/2017
(89) 22.75 ft on 03/28/1984
(90) 22.70 ft on 04/25/1944
(91) 22.64 ft on 06/24/1960
(92) 22.62 ft on 05/20/1945
(93) 22.50 ft on 11/18/1993
(94) 22.50 ft on 04/05/1945
(95) 22.41 ft on 02/10/1942
(96) 22.35 ft on 05/19/1929
(97) 22.30 ft on 04/08/1948
(98) 22.28 ft on 03/23/1998
(99) 22.24 ft on 03/06/2011
(100) 22.20 ft on 03/15/1997
(101) 22.20 ft on 11/06/1936
(102) 22.13 ft on 07/04/1993
(103) 22.12 ft on 01/26/1993
(104) 22.00 ft on 07/19/1958
(105) 21.89 ft on 02/08/2019
(106) 21.89 ft on 05/29/1996
(107) 21.87 ft on 02/26/1975
(108) 21.77 ft on 05/07/1935
(109) 21.59 ft on 05/05/2019
(110) 21.55 ft on 03/30/1998
(111) 21.30 ft on 11/05/1992
(112) 21.30 ft on 05/04/1947
(113) 21.20 ft on 12/27/1949
(114) 21.19 ft on 04/02/2019
(115) 21.04 ft on 05/10/1961
(116) 21.04 ft on 03/09/1993
(117) 21.04 ft on 04/24/1957
(118) 20.89 ft on 04/13/1965
(119) 20.81 ft on 04/28/1993
(120) 20.80 ft on 03/21/1938
(121) 20.77 ft on 05/11/1998
(122) 20.76 ft on 05/25/1968
(123) 20.75 ft on 04/02/1960
(124) 20.70 ft on 04/08/2014
(125) 20.66 ft on 06/16/1952
(126) 20.62 ft on 03/16/1952
(127) 20.60 ft on 06/16/1997
(128) 20.53 ft on 02/25/1997
(129) 20.51 ft on 02/23/1971
(130) 20.48 ft on 07/12/1951
(131) 20.40 ft on 05/19/1995
(132) 20.37 ft on 12/04/2006
(133) 20.36 ft on 01/30/1994
(134) 20.33 ft on 01/03/2019
(135) 20.31 ft on 02/08/1952
(136) 20.29 ft on 05/29/1952
(137) 20.24 ft on 04/09/2017
(138) 20.16 ft on 04/17/1993
(139) 20.16 ft on 05/09/1996
(140) 20.13 ft on 05/25/2017
(141) 20.10 ft on 01/11/1949
(142) 20.10 ft on 04/14/1942
(143) 20.09 ft on 01/14/2013
(144) 20.04 ft on 05/30/1956
(145) 20.00 ft on 04/28/1952
(146) 19.95 ft on 02/28/2001
(147) 19.90 ft on 01/25/1929
(148) 19.82 ft on 07/15/2017
(149) 19.71 ft on 08/01/1992
(150) 19.70 ft on 02/24/1939
(151) 19.65 ft on 08/04/1958
(152) 19.64 ft on 12/09/1950
(153) 19.62 ft on 11/22/2017 (P)
(154) 19.61 ft on 05/29/1995
(155) 19.50 ft on 11/16/1993
(156) 19.48 ft on 01/22/1932
(157) 19.47 ft on 05/05/1998
(158) 19.34 ft on 06/01/2019
(159) 19.32 ft on 01/07/1951
(160) 19.26 ft on 03/19/1953
(161) 19.20 ft on 04/09/1937
(162) 19.15 ft on 06/12/1996
(163) 19.14 ft on 04/30/1996
(164) 19.10 ft on 12/19/1929
(165) 19.07 ft on 04/15/1951
(166) 19.04 ft on 02/15/1946
(167) 19.02 ft on 03/09/1995
(168) 19.01 ft on 04/11/1988
(169) 19.00 ft on 02/15/1960
(170) 19.00 ft on 11/25/1992
(171) 18.96 ft on 03/16/1962
(172) 18.90 ft on 01/01/1943
(173) 18.90 ft on 04/14/1998
(174) 18.87 ft on 03/03/1962
(175) 18.86 ft on 04/02/2016
(176) 18.80 ft on 06/18/1945
(177) 18.70 ft on 06/23/1952
(178) 18.70 ft on 03/22/1943
(179) 18.68 ft on 04/17/1952
(180) 18.60 ft on 03/21/1942
(181) 18.60 ft on 01/05/1952
(182) 18.50 ft on 04/28/1950
(183) 18.50 ft on 01/08/1946
(184) 18.43 ft on 09/23/1950
(185) 18.40 ft on 03/26/1993
(186) 18.32 ft on 04/05/1993
(187) 18.30 ft on 03/03/1948
(188) 18.20 ft on 03/11/1997
(189) 18.20 ft on 06/20/1946
(190) 18.10 ft on 03/21/1946
(191) 18.10 ft on 05/06/1936
(192) 18.03 ft on 03/19/1961
(193) 18.00 ft on 10/20/1993
(194) 18.00 ft on 02/28/1930
(195) 18.00 ft on 03/06/1939
(196) 17.99 ft on 03/16/2019
(197) 17.90 ft on 02/24/1938
(198) 17.90 ft on 04/05/1929
(199) 17.90 ft on 07/08/1929
(200) 17.90 ft on 10/06/1945
(201) 17.86 ft on 03/15/2015
(202) 17.80 ft on 07/06/1928
(203) 17.80 ft on 11/28/1993
(204) 17.79 ft on 06/26/2000
(205) 17.74 ft on 07/12/1993
(206) 17.70 ft on 01/04/1937
(207) 17.63 ft on 04/08/1964
(208) 17.60 ft on 05/01/1937
(209) 17.59 ft on 06/12/2018 (P)
(210) 17.50 ft on 12/29/1932
(211) 17.50 ft on 04/11/1929
(212) 17.45 ft on 04/08/1968
(213) 17.30 ft on 04/21/1933
(214) 17.28 ft on 12/06/1993
(215) 17.25 ft on 03/09/1953
(216) 17.22 ft on 04/28/1965
(217) 17.20 ft on 06/26/1950
(218) 17.20 ft on 07/19/1939
(219) 17.20 ft on 07/24/1996
(220) 17.20 ft on 06/24/2018
(221) 17.12 ft on 03/17/2016
(222) 17.10 ft on 01/12/1998
(223) 17.10 ft on 04/11/1998
(224) 17.03 ft on 09/03/1950
(225) 17.00 ft on 05/23/1957
(226) 17.00 ft on 03/27/1938
(227) 16.96 ft on 06/10/1997
(228) 16.91 ft on 07/07/1953
(229) 16.89 ft on 03/08/1955
(230) 16.82 ft on 05/02/1994
(231) 16.75 ft on 07/04/2017
(232) 16.63 ft on 02/15/1965
(233) 16.62 ft on 11/04/2018
(234) 16.58 ft on 05/06/1996
(235) 16.55 ft on 12/04/2018
(236) 16.54 ft on 03/13/1998
(237) 16.40 ft on 02/08/1928
(238) 16.40 ft on 02/18/1928
(239) 16.40 ft on 02/24/1937
(240) 16.24 ft on 04/12/2016
(241) 16.20 ft on 12/18/1937
(242) 16.10 ft on 11/28/2014
(243) 16.10 ft on 02/08/1997
(244) 16.06 ft on 06/17/2017
(245) 16.03 ft on 06/25/1996
(246) 16.00 ft on 02/05/1997
(247) 15.98 ft on 06/07/2019
(248) 15.94 ft on 07/25/2017
(249) 15.80 ft on 12/27/1996
(250) 15.77 ft on 04/29/1994
(251) 15.75 ft on 09/16/1977
(252) 15.74 ft on 05/25/1996
(253) 15.72 ft on 01/23/1997
(254) 15.68 ft on 08/20/2002
(255) 15.63 ft on 07/17/1993
(256) 15.57 ft on 05/28/1997
(257) 15.53 ft on 06/05/1997
(258) 15.50 ft on 06/14/1929
(259) 15.50 ft on 09/17/1993
(260) 15.42 ft on 04/14/1995
(261) 15.41 ft on 06/18/1996
(262) 15.40 ft on 04/23/1930
(263) 15.37 ft on 05/04/1996
(264) 15.22 ft on 03/07/1940
(265) 15.18 ft on 04/10/2015
(266) 15.09 ft on 06/20/1996
(267) 14.92 ft on 09/26/2018
(268) 14.80 ft on 07/20/1993
(269) 14.76 ft on 10/08/2018
(270) 14.73 ft on 08/24/2002
(271) 14.70 ft on 06/17/1996
(272) 14.66 ft on 03/09/1994
(273) 14.60 ft on 06/25/2017
(274) 14.56 ft on 05/01/1998
(275) 14.50 ft on 12/19/1992
(276) 14.14 ft on 05/21/1998
(277) 14.03 ft on 05/08/1994
(278) 13.79 ft on 12/15/1996
(279) 13.76 ft on 01/23/1995
(280) 13.31 ft on 07/01/1995
(281) 13.23 ft on 06/03/1987
(282) 13.00 ft on 09/04/1993
(283) 13.00 ft on 01/20/1996
(284) 12.90 ft on 01/07/1997
(285) 12.52 ft on 04/02/1934
(286) 12.34 ft on 04/24/1996
(287) 12.30 ft on 05/05/1997
(288) 11.65 ft on 04/14/1954
(289) 11.40 ft on 07/08/1994
(290) 11.40 ft on 06/16/1994
(291) 11.29 ft on 01/04/1966
(292) 11.09 ft on 06/28/1994
(293) 10.60 ft on 02/23/1998
(294) 10.36 ft on 06/16/1941
(295) 7.65 ft on 09/18/1931

(P): Preliminary values subject to further review.