Historic Crests
(1) 42.52 ft on 07/10/1993
(2) 40.02 ft on 06/28/2008
(3) 39.97 ft on 05/10/2007
(4) 39.57 ft on 05/13/2002
(5) 39.50 ft on 06/08/1947
(6) 39.20 ft on 09/15/2008
(7) 39.15 ft on 05/29/1996
(8) 39.11 ft on 05/15/2010
(9) 39.09 ft on 04/20/2013
(10) 38.85 ft on 06/09/2010
(11) 38.80 ft on 05/19/1995
(12) 38.78 ft on 05/30/2013
(13) 38.56 ft on 10/07/1998
(14) 38.53 ft on 09/12/2014
(15) 38.50 ft on 06/07/2001
(16) 38.40 ft on 03/28/1973
(17) 38.23 ft on 04/07/2017
(18) 37.80 ft on 06/16/1967
(19) 37.68 ft on 06/11/1984
(20) 37.36 ft on 05/18/2009
(21) 37.20 ft on 10/13/1985
(22) 37.20 ft on 04/01/1960
(23) 37.16 ft on 12/16/2015
(24) 37.15 ft on 08/30/2004
(25) 37.14 ft on 05/11/1996
(26) 37.09 ft on 07/29/1981
(27) 36.94 ft on 06/12/1982
(28) 36.81 ft on 05/07/1991
(29) 36.76 ft on 09/25/2010
(30) 36.74 ft on 07/07/1995
(31) 36.70 ft on 07/01/1909
(32) 36.70 ft on 03/12/2010
(33) 36.60 ft on 10/16/1973
(34) 36.59 ft on 07/28/2008
(35) 36.56 ft on 04/22/1992
(36) 36.55 ft on 04/25/1944
(37) 36.50 ft on 06/02/1982
(38) 36.48 ft on 07/01/2017
(39) 36.36 ft on 02/23/1997
(40) 36.29 ft on 04/04/1983
(41) 36.22 ft on 05/19/1986
(42) 36.15 ft on 09/23/1965
(43) 36.04 ft on 12/08/1982
(44) 36.00 ft on 02/24/1985
(45) 36.00 ft on 03/11/2009
(46) 35.96 ft on 07/12/1969
(47) 35.96 ft on 04/02/1998
(48) 35.91 ft on 07/20/2015
(49) 35.85 ft on 04/27/2010
(50) 35.83 ft on 06/28/1942
(51) 35.82 ft on 07/30/2015
(52) 35.77 ft on 04/30/2009
(53) 35.70 ft on 06/23/2001
(54) 35.69 ft on 07/14/1987
(55) 35.68 ft on 04/12/1978
(56) 35.66 ft on 06/06/2014
(57) 35.60 ft on 05/10/1978
(58) 35.58 ft on 04/17/1999
(59) 35.57 ft on 07/17/1958
(60) 35.40 ft on 02/26/2001
(61) 35.35 ft on 11/20/1928
(62) 35.32 ft on 09/25/1970
(63) 35.26 ft on 09/17/1961
(64) 35.25 ft on 06/04/1929
(65) 35.22 ft on 04/16/1997
(66) 35.20 ft on 11/05/1961
(67) 35.12 ft on 03/05/2008
(68) 35.10 ft on 04/20/1978
(69) 35.05 ft on 04/07/1947
(70) 35.04 ft on 07/16/1986
(71) 34.91 ft on 10/27/1977
(72) 34.87 ft on 03/19/1998
(73) 34.84 ft on 03/06/1979
(74) 34.83 ft on 10/05/1986
(75) 34.82 ft on 04/20/2008
(76) 34.74 ft on 03/22/1978
(77) 34.64 ft on 04/27/1976
(78) 34.60 ft on 03/17/2001
(79) 34.50 ft on 06/15/2008
(80) 34.46 ft on 11/19/1961
(81) 34.32 ft on 11/19/2009
(82) 34.29 ft on 12/29/2008
(83) 34.22 ft on 11/05/1998
(84) 34.20 ft on 01/08/1946
(85) 34.20 ft on 06/15/2004
(86) 34.09 ft on 08/18/2009
(87) 34.06 ft on 12/01/2015
(88) 34.03 ft on 03/16/1990
(89) 33.99 ft on 02/15/2005
(90) 33.99 ft on 05/15/2005
(91) 33.92 ft on 06/01/2004
(92) 33.92 ft on 11/03/1977
(93) 33.89 ft on 06/12/1974
(94) 33.87 ft on 05/27/2011
(95) 33.83 ft on 03/26/2009
(96) 33.83 ft on 05/27/2015
(97) 33.73 ft on 07/14/2017
(98) 33.71 ft on 08/29/2009
(99) 33.62 ft on 06/08/1996
(100) 33.60 ft on 04/23/1929
(101) 33.60 ft on 05/17/1982
(102) 33.53 ft on 03/26/1979
(103) 33.50 ft on 03/04/1985
(104) 33.50 ft on 05/18/1945
(105) 33.49 ft on 01/25/2010
(106) 33.48 ft on 01/09/2016
(107) 33.35 ft on 02/10/2001
(108) 33.33 ft on 06/16/2013
(109) 33.32 ft on 06/18/1945
(110) 33.31 ft on 05/19/2015
(111) 33.30 ft on 11/26/1931
(112) 33.25 ft on 06/04/1935
(113) 33.20 ft on 04/06/1986
(114) 33.16 ft on 05/01/1984
(115) 32.95 ft on 10/15/2014
(116) 32.86 ft on 03/06/2004
(117) 32.83 ft on 09/30/1986
(118) 32.76 ft on 10/31/2009
(119) 32.72 ft on 04/25/1968
(120) 32.72 ft on 10/23/2009
(121) 32.64 ft on 04/27/2008
(122) 32.61 ft on 02/18/2011
(123) 32.60 ft on 04/19/1945
(124) 32.60 ft on 03/06/1963
(125) 32.56 ft on 03/14/1962
(126) 32.47 ft on 03/15/1961
(127) 32.46 ft on 07/27/2015
(128) 32.42 ft on 09/21/1926
(129) 32.39 ft on 06/28/2011
(130) 32.38 ft on 06/09/2008
(131) 32.38 ft on 09/10/1989
(132) 32.32 ft on 03/19/1987
(133) 32.30 ft on 06/29/1951
(134) 32.29 ft on 05/04/1987
(135) 32.28 ft on 03/19/1965
(136) 32.26 ft on 06/25/1964
(137) 32.22 ft on 06/19/1943
(138) 32.20 ft on 03/29/1961
(139) 32.17 ft on 08/28/1987
(140) 32.17 ft on 05/18/1999
(141) 32.17 ft on 12/02/1986
(142) 32.12 ft on 04/23/1997
(143) 32.10 ft on 07/02/1969
(144) 32.06 ft on 05/05/2012
(145) 32.06 ft on 04/29/1969
(146) 32.04 ft on 05/07/2002
(147) 32.00 ft on 06/29/1967
(148) 32.00 ft on 11/01/1922
(149) 31.96 ft on 06/17/2009
(150) 31.93 ft on 05/16/1970
(151) 31.89 ft on 01/03/1965
(152) 31.88 ft on 04/16/1987
(153) 31.85 ft on 04/25/1975
(154) 31.80 ft on 03/21/1948
(155) 31.80 ft on 04/15/1967
(156) 31.76 ft on 06/30/1998
(157) 31.75 ft on 11/20/1958
(158) 31.72 ft on 06/06/2015
(159) 31.61 ft on 06/10/2009
(160) 31.60 ft on 03/12/1952
(161) 31.58 ft on 08/10/2015
(162) 31.57 ft on 07/09/1951
(163) 31.54 ft on 10/25/2008
(164) 31.50 ft on 07/01/1922
(165) 31.48 ft on 05/29/2016
(166) 31.46 ft on 04/02/1953
(167) 31.46 ft on 09/15/1977
(168) 31.44 ft on 06/13/2015
(169) 31.43 ft on 05/10/1972
(170) 31.27 ft on 04/27/2007
(171) 31.21 ft on 05/26/2004
(172) 31.20 ft on 07/22/1996
(173) 31.20 ft on 02/27/1949
(174) 31.17 ft on 04/12/1995
(175) 31.12 ft on 08/03/2016
(176) 31.09 ft on 02/20/1971
(177) 30.98 ft on 03/29/2004
(178) 30.92 ft on 01/04/1932
(179) 30.91 ft on 06/25/1996
(180) 30.85 ft on 09/15/2016
(181) 30.85 ft on 12/21/1987
(182) 30.84 ft on 06/19/1995
(183) 30.83 ft on 03/26/2010
(184) 30.80 ft on 04/22/1927
(185) 30.79 ft on 06/17/2015
(186) 30.78 ft on 04/29/1994
(187) 30.72 ft on 02/21/2014
(188) 30.70 ft on 02/21/1955
(189) 30.70 ft on 05/04/1951
(190) 30.70 ft on 04/30/1994
(191) 30.70 ft on 09/17/1928
(192) 30.54 ft on 09/15/1998
(193) 30.50 ft on 10/08/1926
(194) 30.49 ft on 11/07/2008
(195) 30.48 ft on 04/29/2016
(196) 30.47 ft on 04/11/2013
(197) 30.46 ft on 12/28/1942
(198) 30.44 ft on 05/18/1943
(199) 30.43 ft on 06/25/2000
(200) 30.40 ft on 07/12/2015
(201) 30.35 ft on 06/16/2001
(202) 30.28 ft on 06/24/1952
(203) 30.28 ft on 02/22/1937
(204) 30.28 ft on 02/28/1997
(205) 30.22 ft on 03/15/1947
(206) 30.22 ft on 07/26/2001
(207) 30.11 ft on 06/20/2008
(208) 30.10 ft on 03/19/1946
(209) 30.10 ft on 05/07/1953
(210) 30.01 ft on 06/05/1980
(211) 29.96 ft on 06/20/1950
(212) 29.95 ft on 03/02/1929
(213) 29.95 ft on 06/24/1939
(214) 29.94 ft on 05/18/2001
(215) 29.90 ft on 06/12/1941
(216) 29.88 ft on 06/04/1949
(217) 29.86 ft on 03/11/2013
(218) 29.80 ft on 08/04/1956
(219) 29.78 ft on 12/07/1944
(220) 29.77 ft on 06/14/1966
(221) 29.76 ft on 02/29/1948
(222) 29.60 ft on 02/21/1994
(223) 29.60 ft on 03/27/1945
(224) 29.54 ft on 05/12/1951
(225) 29.46 ft on 11/04/1941
(226) 29.42 ft on 05/28/2009
(227) 29.36 ft on 04/23/2005
(228) 29.35 ft on 03/18/1944
(229) 29.30 ft on 06/21/1935
(230) 29.27 ft on 05/25/2008
(231) 29.24 ft on 06/11/1944
(232) 29.16 ft on 08/05/2015
(233) 29.16 ft on 03/15/1939
(234) 29.14 ft on 03/17/1945
(235) 29.10 ft on 02/28/1936
(236) 29.09 ft on 05/12/2001
(237) 29.05 ft on 12/26/2009
(238) 29.05 ft on 05/02/2017
(239) 28.92 ft on 08/26/2007
(240) 28.90 ft on 03/06/1994
(241) 28.87 ft on 05/07/2001
(242) 28.66 ft on 04/28/2002
(243) 28.60 ft on 06/03/1954
(244) 28.60 ft on 03/06/1937
(245) 28.59 ft on 08/26/2004
(246) 28.57 ft on 03/18/2008
(247) 28.56 ft on 07/01/1924
(248) 28.50 ft on 05/02/1997
(249) 28.38 ft on 07/06/1998
(250) 28.15 ft on 03/30/2012
(251) 28.10 ft on 05/05/2013
(252) 28.00 ft on 04/27/1925
(253) 28.00 ft on 04/22/1931
(254) 27.95 ft on 02/04/1957
(255) 27.89 ft on 04/17/2012
(256) 27.88 ft on 02/03/2016
(257) 27.85 ft on 06/29/1995
(258) 27.72 ft on 06/14/2005
(259) 27.72 ft on 04/17/2011
(260) 27.72 ft on 06/22/2016
(261) 27.55 ft on 03/31/2017
(262) 27.42 ft on 12/13/2007
(263) 27.07 ft on 03/23/2001
(264) 27.04 ft on 08/05/2004
(265) 26.93 ft on 08/06/2016
(266) 26.88 ft on 05/02/2006
(267) 26.87 ft on 04/13/2001
(268) 26.80 ft on 01/07/1998
(269) 26.78 ft on 05/20/2004
(270) 26.64 ft on 08/27/2016
(271) 26.37 ft on 05/08/2010
(272) 26.29 ft on 12/08/1998
(273) 26.03 ft on 06/11/2005
(274) 23.22 ft on 02/10/1930

(P): Preliminary values subject to further review.