Historic Crests
(1) 21.16 ft on 09/26/2018
(2) 17.89 ft on 10/18/2016
(3) 17.80 ft on 09/30/1928
(4) 17.60 ft on 09/27/1999
(5) 16.23 ft on 10/10/2015
(6) 16.10 ft on 10/08/2015
(7) 15.60 ft on 02/27/2021
(8) 15.60 ft on 09/29/1945
(9) 15.57 ft on 09/18/2018
(10) 15.50 ft on 10/09/1924
(11) 15.40 ft on 10/02/1924
(12) 15.30 ft on 09/20/1928
(13) 15.11 ft on 10/10/2016
(14) 14.80 ft on 02/19/1998
(15) 14.70 ft on 02/12/1998
(16) 14.60 ft on 09/07/1908
(17) 14.50 ft on 03/30/1983
(18) 14.40 ft on 09/19/1996
(19) 14.10 ft on 08/10/1908
(20) 14.08 ft on 06/07/2020
(21) 13.90 ft on 10/28/1999
(22) 13.80 ft on 03/19/1983
(23) 13.80 ft on 08/27/1981
(24) 13.70 ft on 04/18/1936
(25) 13.70 ft on 01/31/1925
(26) 13.70 ft on 05/01/1918
(27) 13.60 ft on 10/20/1894
(28) 13.60 ft on 01/20/1993
(29) 13.60 ft on 07/29/1916
(30) 13.56 ft on 02/17/2016
(31) 13.50 ft on 03/12/1939
(32) 13.40 ft on 02/08/1895
(33) 13.40 ft on 02/17/1973
(34) 13.40 ft on 09/22/1955
(35) 13.40 ft on 07/15/1924
(36) 13.20 ft on 09/19/1945
(37) 13.20 ft on 02/22/1906
(38) 13.11 ft on 07/14/2013
(39) 13.10 ft on 10/11/1894
(40) 13.10 ft on 07/09/1961
(41) 13.10 ft on 10/02/1955
(42) 13.10 ft on 07/29/1901
(43) 13.00 ft on 03/02/1899
(44) 13.00 ft on 12/25/1994
(45) 13.00 ft on 01/31/1915
(46) 12.90 ft on 02/24/1948
(47) 12.80 ft on 02/22/2020
(48) 12.80 ft on 03/19/1959
(49) 12.80 ft on 09/08/1933
(50) 12.70 ft on 03/02/1983
(51) 12.70 ft on 03/16/1987
(52) 12.70 ft on 04/16/1973
(53) 12.70 ft on 04/19/1958
(54) 12.70 ft on 12/10/1948
(55) 12.50 ft on 03/08/1983
(56) 12.50 ft on 04/23/2003
(57) 12.50 ft on 05/16/1999
(58) 12.45 ft on 01/11/2016
(59) 12.44 ft on 12/29/2018
(60) 12.42 ft on 11/26/2020
(61) 12.42 ft on 09/07/2019
(62) 12.40 ft on 01/17/1995
(63) 12.40 ft on 08/19/1971
(64) 12.40 ft on 03/17/1966
(65) 12.40 ft on 07/01/1961
(66) 12.40 ft on 03/15/1929
(67) 12.31 ft on 01/16/2021
(68) 12.30 ft on 09/07/1979
(69) 12.30 ft on 03/08/1914
(70) 12.30 ft on 02/26/1908
(71) 12.20 ft on 02/20/1899
(72) 12.20 ft on 01/01/1995
(73) 12.20 ft on 03/11/1979
(74) 12.20 ft on 03/16/1971
(75) 12.20 ft on 08/19/1969
(76) 12.17 ft on 02/17/2021
(77) 12.10 ft on 03/08/1959
(78) 12.10 ft on 10/10/1996
(79) 12.10 ft on 08/10/1960
(80) 12.00 ft on 03/05/1964
(81) 12.00 ft on 09/03/1946
(82) 12.00 ft on 09/17/1904
(83) 11.90 ft on 09/21/1979
(84) 11.90 ft on 03/04/1995
(85) 11.90 ft on 10/18/1964
(86) 11.90 ft on 09/15/1964
(87) 11.90 ft on 04/19/1961
(88) 11.90 ft on 07/31/1960
(89) 11.90 ft on 03/30/1944
(90) 11.90 ft on 03/24/1944
(91) 11.80 ft on 04/02/2003
(92) 11.80 ft on 02/07/1999
(93) 11.80 ft on 04/04/1980
(94) 11.80 ft on 03/15/1944
(95) 11.80 ft on 03/29/1913
(96) 11.80 ft on 03/27/1912
(97) 11.70 ft on 03/07/1897
(98) 11.70 ft on 01/08/2007
(99) 11.70 ft on 03/09/1944
(100) 11.70 ft on 08/24/1943
(101) 11.60 ft on 03/21/1998
(102) 11.60 ft on 10/23/1996
(103) 11.60 ft on 04/16/1960
(104) 11.60 ft on 08/30/1943
(105) 11.60 ft on 09/15/1933
(106) 11.60 ft on 08/28/1908
(107) 11.60 ft on 03/13/1902
(108) 11.59 ft on 11/14/2020
(109) 11.58 ft on 09/14/2017
(110) 11.57 ft on 08/16/2004
(111) 11.50 ft on 02/04/1987
(112) 11.50 ft on 07/12/1908
(113) 11.50 ft on 11/15/2015
(114) 11.50 ft on 03/23/2003
(115) 11.50 ft on 02/08/1978
(116) 11.50 ft on 02/19/1972
(117) 11.50 ft on 06/08/1964
(118) 11.50 ft on 04/06/1960
(119) 11.50 ft on 03/04/1960
(120) 11.50 ft on 09/23/1935
(121) 11.50 ft on 02/22/1921
(122) 11.50 ft on 03/07/1912
(123) 11.50 ft on 07/22/1908
(124) 11.50 ft on 04/05/1908
(125) 11.44 ft on 11/05/2015
(126) 11.42 ft on 03/08/2020
(127) 11.41 ft on 11/27/2018
(128) 11.40 ft on 02/20/1896
(129) 11.40 ft on 09/03/2017
(130) 11.40 ft on 10/03/2000
(131) 11.40 ft on 08/31/1992
(132) 11.40 ft on 08/28/1974
(133) 11.40 ft on 04/07/1970
(134) 11.40 ft on 04/03/1965
(135) 11.40 ft on 02/27/1960
(136) 11.40 ft on 04/22/1918
(137) 11.40 ft on 07/16/1916
(138) 11.40 ft on 10/26/1913
(139) 11.40 ft on 10/13/1901
(140) 11.30 ft on 08/15/1899
(141) 11.30 ft on 02/11/1896
(142) 11.30 ft on 09/24/2004
(143) 11.30 ft on 03/06/1965
(144) 11.30 ft on 02/13/1921
(145) 11.30 ft on 02/02/1991
(146) 11.30 ft on 03/15/1953
(147) 11.30 ft on 03/20/1922
(148) 11.30 ft on 08/04/1919
(149) 11.30 ft on 03/10/1910
(150) 11.30 ft on 11/03/1908
(151) 11.30 ft on 08/25/1907
(152) 11.30 ft on 04/04/1903
(153) 11.30 ft on 05/04/1900
(154) 11.25 ft on 09/20/2020
(155) 11.20 ft on 08/17/1894
(156) 11.20 ft on 03/03/1929
(157) 11.20 ft on 06/05/1901
(158) 11.20 ft on 02/06/1963
(159) 11.20 ft on 11/26/1947
(160) 11.20 ft on 03/06/1905
(161) 11.20 ft on 03/02/1905
(162) 11.11 ft on 12/17/2018
(163) 11.10 ft on 05/01/1895
(164) 11.10 ft on 03/03/1987
(165) 11.10 ft on 02/19/1960
(166) 11.10 ft on 09/24/1943
(167) 11.10 ft on 02/25/1903
(168) 11.10 ft on 03/03/1900
(169) 11.10 ft on 10/19/2005
(170) 11.10 ft on 03/30/1975
(171) 11.10 ft on 10/04/1917
(172) 11.07 ft on 02/16/2010
(173) 11.07 ft on 09/02/2004
(174) 11.00 ft on 09/29/1894
(175) 11.00 ft on 09/02/1974
(176) 11.00 ft on 10/31/1959
(177) 11.00 ft on 01/01/1948
(178) 11.00 ft on 04/03/1936
(179) 11.00 ft on 03/28/1936
(180) 11.00 ft on 09/15/2006
(181) 11.00 ft on 04/14/1984
(182) 11.00 ft on 02/28/1982
(183) 11.00 ft on 09/15/1949
(184) 11.00 ft on 03/23/1942
(185) 10.90 ft on 12/08/2006
(186) 10.90 ft on 04/10/1993
(187) 10.90 ft on 02/20/1975
(188) 10.90 ft on 10/09/1964
(189) 10.90 ft on 09/08/1945
(190) 10.90 ft on 10/15/1929
(191) 10.90 ft on 05/11/1928
(192) 10.90 ft on 04/15/1901
(193) 10.90 ft on 07/09/1976
(194) 10.80 ft on 04/11/1895
(195) 10.80 ft on 01/12/1895
(196) 10.80 ft on 03/22/2001
(197) 10.80 ft on 02/21/1995
(198) 10.80 ft on 02/07/1975
(199) 10.80 ft on 04/08/1958
(200) 10.80 ft on 03/18/1948
(201) 10.80 ft on 02/26/1936
(202) 10.80 ft on 01/21/1936
(203) 10.80 ft on 10/04/1907
(204) 10.80 ft on 08/05/1906
(205) 10.80 ft on 02/28/1900
(206) 10.80 ft on 03/13/1962
(207) 10.75 ft on 08/19/2020
(208) 10.74 ft on 07/03/2020
(209) 10.70 ft on 05/09/1899
(210) 10.70 ft on 01/27/1999
(211) 10.70 ft on 09/07/1907
(212) 10.70 ft on 09/10/1906
(213) 10.70 ft on 02/16/1900
(214) 10.62 ft on 02/03/2021
(215) 10.60 ft on 03/19/1895
(216) 10.60 ft on 04/20/1993
(217) 10.60 ft on 03/21/1984
(218) 10.60 ft on 02/05/1972
(219) 10.60 ft on 08/23/1946
(220) 10.60 ft on 02/04/1900
(221) 10.52 ft on 08/09/2020
(222) 10.52 ft on 09/21/2016
(223) 10.50 ft on 12/20/1896
(224) 10.50 ft on 03/02/1894
(225) 10.50 ft on 02/11/2000
(226) 10.50 ft on 11/03/1995
(227) 10.50 ft on 01/17/1982
(228) 10.50 ft on 02/26/1965
(229) 10.50 ft on 01/19/1946
(230) 10.50 ft on 08/23/1945
(231) 10.50 ft on 08/04/1945
(232) 10.50 ft on 01/29/1929
(233) 10.50 ft on 10/14/1989
(234) 10.41 ft on 08/13/2014
(235) 10.40 ft on 09/23/1960
(236) 10.40 ft on 09/29/1947
(237) 10.40 ft on 07/31/1950
(238) 10.40 ft on 06/05/1909
(239) 10.35 ft on 12/20/2009
(240) 10.30 ft on 10/03/1920
(241) 10.20 ft on 07/26/1964
(242) 10.20 ft on 03/23/1977
(243) 10.18 ft on 03/30/2014
(244) 10.00 ft on 12/13/1898
(245) 10.00 ft on 08/29/1995
(246) 10.00 ft on 10/04/1975
(247) 10.00 ft on 09/30/1959
(248) 9.90 ft on 02/04/1930
(249) 9.90 ft on 03/31/1923
(250) 9.80 ft on 02/26/1997
(251) 9.80 ft on 11/22/1977
(252) 9.80 ft on 11/10/1990
(253) 9.70 ft on 08/27/1967
(254) 9.70 ft on 02/10/1937
(255) 9.70 ft on 02/20/1926
(256) 9.69 ft on 09/06/2008
(257) 9.50 ft on 02/24/1985
(258) 9.50 ft on 01/27/1968
(259) 9.50 ft on 03/28/1952
(260) 9.50 ft on 03/20/1952
(261) 9.40 ft on 08/12/1944
(262) 9.40 ft on 12/11/1957
(263) 9.40 ft on 05/10/1956
(264) 9.30 ft on 02/24/1940
(265) 9.30 ft on 12/30/1932
(266) 9.20 ft on 09/20/1988
(267) 9.20 ft on 02/06/1954
(268) 9.10 ft on 04/23/1938
(269) 9.07 ft on 02/22/2011
(270) 8.90 ft on 12/25/1986
(271) 8.90 ft on 01/06/1931
(272) 8.80 ft on 08/31/1964
(273) 8.70 ft on 10/20/2002
(274) 8.70 ft on 06/07/2012
(275) 8.70 ft on 04/22/1951
(276) 8.40 ft on 04/09/1941
(277) 7.80 ft on 10/15/1954
(278) 7.70 ft on 01/12/1911
(279) 7.40 ft on 03/24/1927
(280) 7.30 ft on 12/10/1934

(P): Preliminary values subject to further review.