Historic Crests
(1) 22.65 ft on 10/07/2015
(2) 19.77 ft on 06/14/1973
(3) 18.00 ft on 09/21/1928
(4) 16.41 ft on 10/10/2016
(5) 16.07 ft on 09/20/1945
(6) 15.60 ft on 09/08/1928
(7) 15.50 ft on 07/17/1916
(8) 15.35 ft on 12/28/1994
(9) 15.21 ft on 03/07/1971
(10) 15.20 ft on 01/21/1925
(11) 15.10 ft on 06/01/2020
(12) 14.87 ft on 01/14/1993
(13) 14.73 ft on 10/07/1964
(14) 14.60 ft on 07/06/1924
(15) 14.50 ft on 09/11/1893
(16) 14.50 ft on 10/02/1924
(17) 14.28 ft on 06/19/1965
(18) 14.28 ft on 02/21/2021
(19) 14.10 ft on 07/30/1916
(20) 14.02 ft on 02/22/1995
(21) 14.00 ft on 02/18/1973
(22) 14.00 ft on 03/20/1983
(23) 13.98 ft on 10/18/1964
(24) 13.98 ft on 09/21/2020
(25) 13.70 ft on 10/13/2015
(26) 13.58 ft on 03/09/1959
(27) 13.54 ft on 04/19/1958
(28) 13.38 ft on 02/07/1998
(29) 13.21 ft on 03/04/1939
(30) 13.20 ft on 01/12/1912
(31) 13.17 ft on 04/13/2003
(32) 13.07 ft on 04/13/1936
(33) 13.00 ft on 03/08/1966
(34) 13.00 ft on 08/01/1984
(35) 12.98 ft on 01/31/1998
(36) 12.97 ft on 04/18/1961
(37) 12.96 ft on 03/27/1965
(38) 12.91 ft on 08/08/1991
(39) 12.90 ft on 03/19/1913
(40) 12.90 ft on 03/05/1987
(41) 12.89 ft on 11/07/2015
(42) 12.88 ft on 09/11/1979
(43) 12.85 ft on 03/12/1998
(44) 12.83 ft on 02/20/1998
(45) 12.81 ft on 02/14/1948
(46) 12.80 ft on 02/20/1965
(47) 12.78 ft on 02/11/2020
(48) 12.77 ft on 03/25/2003
(49) 12.75 ft on 10/31/1990
(50) 12.70 ft on 05/16/1915
(51) 12.70 ft on 04/06/1936
(52) 12.68 ft on 07/17/2013
(53) 12.65 ft on 12/22/1959
(54) 12.62 ft on 10/10/1989
(55) 12.60 ft on 03/14/1922
(56) 12.60 ft on 04/10/1960
(57) 12.60 ft on 04/04/1980
(58) 12.60 ft on 12/18/2018
(59) 12.52 ft on 09/05/1964
(60) 12.51 ft on 07/05/2003
(61) 12.50 ft on 07/27/1919
(62) 12.50 ft on 12/02/1948
(63) 12.50 ft on 02/07/1972
(64) 12.50 ft on 11/28/1985
(65) 12.49 ft on 02/17/1960
(66) 12.49 ft on 02/22/1964
(67) 12.48 ft on 03/25/1998
(68) 12.43 ft on 03/06/1964
(69) 12.42 ft on 02/08/1960
(70) 12.42 ft on 03/28/1970
(71) 12.42 ft on 02/25/1975
(72) 12.40 ft on 08/09/1894
(73) 12.40 ft on 02/19/1912
(74) 12.40 ft on 07/24/1922
(75) 12.39 ft on 10/15/2002
(76) 12.36 ft on 10/19/1959
(77) 12.34 ft on 04/03/1970
(78) 12.33 ft on 12/31/1997
(79) 12.33 ft on 09/01/2004
(80) 12.33 ft on 12/24/2018
(81) 12.30 ft on 04/26/1928
(82) 12.26 ft on 03/09/1942
(83) 12.24 ft on 07/09/1976
(84) 12.22 ft on 04/19/1947
(85) 12.21 ft on 03/07/1965
(86) 12.20 ft on 01/21/1915
(87) 12.20 ft on 09/22/1924
(88) 12.20 ft on 01/25/1930
(89) 12.19 ft on 11/03/1959
(90) 12.16 ft on 12/29/2015
(91) 12.16 ft on 01/29/1978
(92) 12.12 ft on 01/03/2016
(93) 12.10 ft on 03/25/1942
(94) 12.10 ft on 02/29/1960
(95) 12.07 ft on 02/01/2000
(96) 12.06 ft on 05/03/1999
(97) 12.05 ft on 01/08/2021
(98) 12.02 ft on 04/13/1998
(99) 12.00 ft on 05/19/1918
(100) 12.00 ft on 06/01/1901
(101) 12.00 ft on 02/27/1928
(102) 12.00 ft on 04/14/1938
(103) 11.95 ft on 03/09/2020
(104) 11.93 ft on 03/27/1944
(105) 11.90 ft on 04/26/1900
(106) 11.84 ft on 11/16/2020
(107) 11.83 ft on 12/04/1992
(108) 11.80 ft on 06/16/1903
(109) 11.80 ft on 06/22/1906
(110) 11.80 ft on 06/11/1997
(111) 11.72 ft on 05/01/2017
(112) 11.70 ft on 02/22/1929
(113) 11.70 ft on 03/01/1962
(114) 11.67 ft on 01/27/1963
(115) 11.62 ft on 01/02/1946
(116) 11.61 ft on 09/07/1952
(117) 11.60 ft on 02/05/1895
(118) 11.60 ft on 02/21/1899
(119) 11.53 ft on 02/04/1937
(120) 11.53 ft on 05/26/1969
(121) 11.50 ft on 01/06/2019
(122) 11.44 ft on 03/03/1953
(123) 11.43 ft on 03/18/1977
(124) 11.40 ft on 06/22/1910
(125) 11.40 ft on 04/17/1989
(126) 11.32 ft on 07/24/1941
(127) 11.30 ft on 01/07/1982
(128) 11.26 ft on 03/06/2015
(129) 11.26 ft on 01/11/2017
(130) 11.22 ft on 02/22/1974
(131) 11.20 ft on 03/09/1914
(132) 11.20 ft on 02/19/1933
(133) 11.18 ft on 12/30/2009
(134) 11.14 ft on 02/10/2010
(135) 11.12 ft on 12/29/2006
(136) 11.10 ft on 05/22/1921
(137) 11.02 ft on 03/08/2019
(138) 10.90 ft on 05/09/1905
(139) 10.90 ft on 01/30/1917
(140) 10.90 ft on 04/07/1920
(141) 10.81 ft on 03/14/2014
(142) 10.79 ft on 09/09/1955
(143) 10.70 ft on 02/14/1896
(144) 10.50 ft on 08/19/1927
(145) 10.49 ft on 04/01/2005
(146) 10.45 ft on 06/17/1968
(147) 10.44 ft on 03/29/1943
(148) 10.43 ft on 03/21/1996
(149) 10.40 ft on 05/03/1908
(150) 10.40 ft on 09/20/2018
(151) 10.35 ft on 03/16/1988
(152) 10.30 ft on 02/15/1897
(153) 10.28 ft on 03/24/2001
(154) 10.20 ft on 10/25/1922
(155) 10.10 ft on 03/05/1902
(156) 10.10 ft on 10/27/1906
(157) 10.10 ft on 01/20/1931
(158) 10.00 ft on 02/28/1904
(159) 10.00 ft on 02/16/1986
(160) 9.96 ft on 03/05/1956
(161) 9.94 ft on 03/01/2008
(162) 9.92 ft on 04/25/2007
(163) 9.90 ft on 09/07/1898
(164) 9.90 ft on 02/10/1926
(165) 9.83 ft on 09/17/1935
(166) 9.78 ft on 09/12/1950
(167) 9.77 ft on 03/02/2006
(168) 9.70 ft on 02/23/1940
(169) 9.64 ft on 03/10/2009
(170) 9.63 ft on 04/09/1951
(171) 9.40 ft on 07/17/1909
(172) 9.09 ft on 01/04/1954
(173) 9.08 ft on 01/13/1967
(174) 8.93 ft on 02/10/2011
(175) 8.92 ft on 03/29/1957
(176) 8.60 ft on 03/16/1932
(177) 8.35 ft on 03/10/2012
(178) 8.20 ft on 10/22/1910
(179) 7.40 ft on 02/23/1981
(180) 6.80 ft on 06/12/1934
(181) 6.59 ft on 04/14/2002

(P): Preliminary values subject to further review.