Historic Crests
(1) 21.21 ft on 09/22/1945
(2) 20.00 ft on 08/30/1908
(3) 19.73 ft on 10/06/2015
(4) 19.40 ft on 09/24/1928
(5) 19.25 ft on 10/07/1929
(6) 18.85 ft on 10/18/1990
(7) 18.70 ft on 07/20/1916
(8) 18.66 ft on 04/12/1936
(9) 18.28 ft on 12/25/1994
(10) 17.76 ft on 10/10/2016
(11) 17.50 ft on 01/24/1892
(12) 17.45 ft on 03/02/1979
(13) 17.44 ft on 03/05/1971
(14) 17.39 ft on 03/04/1939
(15) 17.30 ft on 03/12/1922
(16) 17.30 ft on 03/10/1929
(17) 17.25 ft on 03/24/1983
(18) 17.20 ft on 06/22/1901
(19) 17.20 ft on 02/12/1899
(20) 17.20 ft on 01/24/1925
(21) 17.05 ft on 03/07/1987
(22) 16.90 ft on 02/14/1903
(23) 16.81 ft on 09/22/2018
(24) 16.76 ft on 09/06/1952
(25) 16.70 ft on 04/04/1980
(26) 16.69 ft on 07/20/1975
(27) 16.68 ft on 02/05/1973
(28) 16.63 ft on 03/25/1998
(29) 16.60 ft on 02/15/1903
(30) 16.60 ft on 04/25/1900
(31) 16.50 ft on 02/16/1921
(32) 16.50 ft on 10/15/1894
(33) 16.50 ft on 02/21/1912
(34) 16.42 ft on 01/16/1993
(35) 16.42 ft on 03/26/1944
(36) 16.31 ft on 04/10/1960
(37) 16.30 ft on 01/15/1895
(38) 16.28 ft on 12/29/2015
(39) 16.20 ft on 08/11/1894
(40) 16.09 ft on 01/26/1978
(41) 16.00 ft on 09/04/1893
(42) 16.00 ft on 07/29/1919
(43) 15.96 ft on 09/10/2004
(44) 15.93 ft on 04/17/2003
(45) 15.92 ft on 12/05/1948
(46) 15.87 ft on 10/22/1964
(47) 15.83 ft on 03/18/1962
(48) 15.75 ft on 03/22/1964
(49) 15.74 ft on 03/03/1961
(50) 15.70 ft on 03/21/1913
(51) 15.70 ft on 07/15/1896
(52) 15.68 ft on 01/14/1998
(53) 15.65 ft on 02/11/1998
(54) 15.48 ft on 01/06/2016
(55) 15.47 ft on 02/06/1998
(56) 15.41 ft on 10/17/2018
(57) 15.41 ft on 10/11/1989
(58) 15.38 ft on 03/07/1966
(59) 15.30 ft on 10/24/1932
(60) 15.28 ft on 01/10/1982
(61) 15.26 ft on 02/21/1995
(62) 15.19 ft on 02/24/1998
(63) 15.16 ft on 03/15/1998
(64) 15.01 ft on 01/27/1963
(65) 15.00 ft on 02/08/1902
(66) 14.92 ft on 11/26/2015
(67) 14.86 ft on 03/27/2003
(68) 14.86 ft on 11/19/2018
(69) 14.80 ft on 09/02/1891
(70) 14.79 ft on 01/02/1965
(71) 14.79 ft on 11/21/2018
(72) 14.79 ft on 03/12/1991
(73) 14.71 ft on 05/07/1949
(74) 14.67 ft on 02/16/1948
(75) 14.53 ft on 11/09/2015
(76) 14.50 ft on 06/17/1906
(77) 14.50 ft on 12/29/1911
(78) 14.40 ft on 01/31/1998
(79) 14.40 ft on 10/06/1924
(80) 14.39 ft on 03/31/1989
(81) 14.39 ft on 05/28/1942
(82) 14.32 ft on 11/30/2006
(83) 14.27 ft on 01/18/1968
(84) 14.21 ft on 01/18/1972
(85) 14.19 ft on 02/19/1998
(86) 14.09 ft on 05/02/1937
(87) 14.08 ft on 03/09/2007
(88) 14.07 ft on 09/16/1967
(89) 14.00 ft on 02/14/1897
(90) 14.00 ft on 04/18/1926
(91) 13.81 ft on 03/20/1977
(92) 13.80 ft on 08/30/1898
(93) 13.70 ft on 08/02/1938
(94) 13.70 ft on 01/15/1932
(95) 13.66 ft on 10/05/2004
(96) 13.63 ft on 02/23/1997
(97) 13.60 ft on 01/25/1915
(98) 13.60 ft on 04/16/1947
(99) 13.59 ft on 03/14/2003
(100) 13.57 ft on 03/28/1977
(101) 13.56 ft on 02/13/2010
(102) 13.51 ft on 01/02/2010
(103) 13.50 ft on 10/07/1959
(104) 13.50 ft on 02/22/1905
(105) 13.48 ft on 02/01/1958
(106) 13.45 ft on 12/05/1992
(107) 13.37 ft on 06/28/1976
(108) 13.30 ft on 01/27/1943
(109) 13.25 ft on 04/05/1984
(110) 13.20 ft on 12/12/1927
(111) 13.19 ft on 03/15/2014
(112) 13.08 ft on 06/21/2006
(113) 13.00 ft on 01/18/1910
(114) 13.00 ft on 01/03/1946
(115) 12.99 ft on 01/20/2015
(116) 12.92 ft on 01/19/2014
(117) 12.90 ft on 05/02/2017
(118) 12.80 ft on 03/06/1914
(119) 12.80 ft on 04/22/1955
(120) 12.76 ft on 03/31/1970
(121) 12.73 ft on 07/15/2013
(122) 12.73 ft on 10/16/2016
(123) 12.63 ft on 03/05/1994
(124) 12.60 ft on 03/24/1923
(125) 12.60 ft on 08/14/1904
(126) 12.60 ft on 09/14/1935
(127) 12.59 ft on 02/02/2000
(128) 12.57 ft on 08/24/1992
(129) 12.50 ft on 04/26/1969
(130) 12.46 ft on 11/30/1985
(131) 12.30 ft on 12/02/1957
(132) 12.30 ft on 02/24/1953
(133) 12.26 ft on 04/08/1954
(134) 12.20 ft on 06/12/1909
(135) 12.18 ft on 08/15/1974
(136) 12.18 ft on 05/03/1999
(137) 12.10 ft on 07/18/1941
(138) 12.00 ft on 06/18/1917
(139) 12.00 ft on 05/18/1918
(140) 12.00 ft on 01/24/1930
(141) 11.92 ft on 02/11/1985
(142) 11.90 ft on 03/22/1920
(143) 11.70 ft on 03/10/2009
(144) 11.51 ft on 12/28/2009
(145) 11.50 ft on 02/20/1933
(146) 11.42 ft on 03/25/1956
(147) 11.20 ft on 03/16/1996
(148) 10.57 ft on 04/14/2008
(149) 10.40 ft on 08/31/1931
(150) 10.36 ft on 03/24/1986
(151) 10.30 ft on 06/13/1934
(152) 10.10 ft on 02/21/1981
(153) 10.01 ft on 01/29/1988
(154) 10.00 ft on 07/05/1907
(155) 9.81 ft on 03/23/2001
(156) 9.80 ft on 04/17/1951
(157) 9.61 ft on 04/22/2005
(158) 9.44 ft on 09/17/2018
(159) 9.43 ft on 08/18/1940
(160) 8.38 ft on 02/13/2011
(161) 8.11 ft on 09/01/2002
(162) 8.10 ft on 03/30/1950
(163) 7.60 ft on 08/28/2012

(P): Preliminary values subject to further review.