Historic Crests
(1) 37.60 ft on 03/21/1936
(2) 35.40 ft on 09/23/1938
(3) 30.74 ft on 06/01/1984
(4) 30.60 ft on 08/20/1955
(5) 29.30 ft on 05/01/1854
(6) 29.00 ft on 12/10/1927
(7) 28.20 ft on 04/21/1862
(8) 27.60 ft on 04/07/1960
(9) 26.70 ft on 03/29/1843
(10) 26.40 ft on 04/09/1901
(11) 26.30 ft on 03/29/1913
(12) 26.20 ft on 04/23/1869
(13) 26.00 ft on 03/03/1896
(14) 26.00 ft on 04/21/1933
(15) 25.90 ft on 03/20/1859
(16) 25.80 ft on 10/06/1869
(17) 25.60 ft on 04/08/1987
(18) 25.52 ft on 01/02/1949
(19) 25.50 ft on 03/04/1902
(20) 25.50 ft on 07/01/1683
(21) 25.20 ft on 04/16/1895
(22) 25.00 ft on 03/29/1953
(23) 24.78 ft on 08/31/2011
(24) 24.70 ft on 04/17/1909
(25) 24.52 ft on 03/24/1948
(26) 24.50 ft on 04/14/1922
(27) 24.30 ft on 03/20/1865
(28) 24.00 ft on 04/02/1905
(29) 23.60 ft on 05/06/1940
(30) 23.50 ft on 05/06/1893
(31) 23.40 ft on 01/09/1874
(32) 23.38 ft on 04/18/2007
(33) 23.30 ft on 03/25/1903
(34) 23.19 ft on 04/24/1969
(35) 23.10 ft on 04/14/1934
(36) 23.04 ft on 03/16/1977
(37) 22.80 ft on 08/22/1856
(38) 22.80 ft on 04/22/1900
(39) 22.60 ft on 04/24/1852
(40) 22.50 ft on 03/30/1920
(41) 22.47 ft on 04/04/1976
(42) 22.40 ft on 05/29/1877
(43) 22.20 ft on 06/04/1952
(44) 22.10 ft on 04/25/1958
(45) 22.10 ft on 05/02/1956
(46) 22.06 ft on 04/02/1951
(47) 22.04 ft on 04/05/2005
(48) 22.00 ft on 04/13/1887
(49) 22.00 ft on 04/08/1923
(50) 21.90 ft on 04/23/1914
(51) 21.80 ft on 04/25/1939
(52) 21.70 ft on 04/20/1863
(53) 21.64 ft on 04/02/1998
(54) 21.57 ft on 03/08/1979
(55) 21.56 ft on 02/27/1981
(56) 21.56 ft on 04/18/1996
(57) 21.55 ft on 09/09/2011
(58) 21.50 ft on 04/27/1899
(59) 21.50 ft on 04/16/1876
(60) 21.50 ft on 05/06/1850
(61) 21.50 ft on 03/25/1968
(62) 21.40 ft on 04/30/1904
(63) 21.38 ft on 07/03/1973
(64) 21.35 ft on 12/23/1973
(65) 21.30 ft on 05/04/1886
(66) 21.29 ft on 04/01/2010
(67) 21.20 ft on 04/10/1912
(68) 21.10 ft on 05/17/1937
(69) 21.10 ft on 03/28/1884
(70) 21.00 ft on 05/01/1879
(71) 21.00 ft on 03/19/1868
(72) 21.00 ft on 04/17/1861
(73) 21.00 ft on 04/22/1855
(74) 21.00 ft on 12/17/1983
(75) 20.99 ft on 04/22/1982
(76) 20.94 ft on 04/14/1993
(77) 20.90 ft on 10/10/2005
(78) 20.90 ft on 03/23/1945
(79) 20.90 ft on 05/14/1996
(80) 20.80 ft on 04/27/1926
(81) 20.80 ft on 04/03/1916
(82) 20.72 ft on 10/17/2005
(83) 20.70 ft on 01/29/1996
(84) 20.70 ft on 03/22/1898
(85) 20.70 ft on 04/13/1873
(86) 20.70 ft on 04/25/1847
(87) 20.70 ft on 04/06/1959
(88) 20.70 ft on 01/12/1935
(89) 20.70 ft on 04/08/1924
(90) 20.56 ft on 05/06/1972
(91) 20.50 ft on 04/13/1872
(92) 20.50 ft on 04/03/1962
(93) 20.50 ft on 04/14/1932
(94) 20.50 ft on 03/31/1925
(95) 20.40 ft on 10/27/2005
(96) 20.30 ft on 07/16/1897
(97) 20.30 ft on 02/26/1866
(98) 20.30 ft on 04/14/1947
(99) 20.30 ft on 11/09/1907
(100) 20.20 ft on 04/29/2001
(101) 20.20 ft on 01/23/1910
(102) 20.16 ft on 04/18/2011
(103) 20.10 ft on 04/18/1906
(104) 20.05 ft on 04/18/2014
(105) 20.01 ft on 04/03/2004
(106) 20.00 ft on 04/15/1883
(107) 19.95 ft on 10/31/2003
(108) 19.90 ft on 03/12/1921
(109) 19.80 ft on 03/30/1919
(110) 19.72 ft on 10/22/1975
(111) 19.50 ft on 04/18/1867
(112) 19.42 ft on 03/25/2010
(113) 19.41 ft on 03/09/2011
(114) 19.30 ft on 04/17/1891
(115) 19.30 ft on 04/05/1963
(116) 19.21 ft on 02/27/2016
(117) 19.20 ft on 01/11/1998
(118) 19.14 ft on 04/01/2003
(119) 19.06 ft on 04/12/1980
(120) 19.00 ft on 02/21/1857
(121) 19.00 ft on 12/25/1843
(122) 18.96 ft on 04/02/1986
(123) 18.95 ft on 04/15/2008
(124) 18.94 ft on 12/14/2008
(125) 18.90 ft on 04/08/1888
(126) 18.90 ft on 03/25/1929
(127) 18.88 ft on 04/07/1950
(128) 18.87 ft on 03/11/2008
(129) 18.80 ft on 04/20/1954
(130) 18.80 ft on 04/04/1918
(131) 18.76 ft on 05/08/1989
(132) 18.60 ft on 12/04/1996
(133) 18.60 ft on 04/10/1928
(134) 18.60 ft on 03/26/1944
(135) 18.60 ft on 06/15/2013
(136) 18.57 ft on 06/15/2013
(137) 18.50 ft on 02/25/1845
(138) 18.50 ft on 04/17/1964
(139) 18.50 ft on 02/18/1908
(140) 18.44 ft on 04/05/1967
(141) 18.30 ft on 03/30/1917
(142) 18.30 ft on 04/27/1970
(143) 18.30 ft on 03/16/1846
(144) 18.28 ft on 05/06/1971
(145) 18.20 ft on 04/06/1875
(146) 18.20 ft on 04/10/1997
(147) 18.20 ft on 05/07/1871
(148) 18.00 ft on 04/30/1878
(149) 18.00 ft on 03/11/1946
(150) 17.90 ft on 04/13/1931
(151) 17.90 ft on 04/30/1943
(152) 17.86 ft on 04/07/1974
(153) 17.84 ft on 05/22/2006
(154) 17.80 ft on 01/16/1892
(155) 17.80 ft on 04/25/1961
(156) 17.78 ft on 03/13/2011
(157) 17.70 ft on 10/28/1857
(158) 17.51 ft on 04/26/2005
(159) 17.50 ft on 04/24/1885
(160) 17.40 ft on 03/24/1999
(161) 17.36 ft on 05/02/2008
(162) 17.30 ft on 06/18/1998
(163) 17.20 ft on 09/19/1999
(164) 17.16 ft on 09/18/1999
(165) 17.13 ft on 05/16/2006
(166) 17.10 ft on 04/21/1997
(167) 17.08 ft on 05/01/2011
(168) 17.00 ft on 11/11/1848
(169) 16.93 ft on 03/21/2011
(170) 16.90 ft on 03/12/1998
(171) 16.79 ft on 04/06/2000
(172) 16.78 ft on 04/06/2009
(173) 16.70 ft on 04/29/1864
(174) 16.70 ft on 04/27/1992
(175) 16.61 ft on 05/01/1988
(176) 16.60 ft on 12/23/1957
(177) 16.55 ft on 01/11/1978
(178) 16.54 ft on 04/22/2008
(179) 16.50 ft on 08/06/1915
(180) 16.30 ft on 12/20/2003
(181) 16.09 ft on 02/28/2017
(182) 16.00 ft on 10/20/1911
(183) 16.00 ft on 04/26/1881
(184) 15.90 ft on 11/15/1995
(185) 15.60 ft on 12/09/2011
(186) 15.50 ft on 01/17/1848
(187) 15.50 ft on 05/29/1853
(188) 15.50 ft on 03/03/1860
(189) 15.10 ft on 11/30/1889
(190) 14.90 ft on 04/07/1880
(191) 14.30 ft on 05/03/1882
(192) 14.00 ft on 01/01/1851
(193) 13.30 ft on 04/25/1894

(P): Preliminary values subject to further review.