Historic Crests
(1) 35.40 ft on 07/06/1994
(2) 29.90 ft on 03/18/1990
(3) 29.80 ft on 03/19/1990
(4) 29.50 ft on 03/04/1971
(5) 28.00 ft on 11/29/1948
(6) 27.88 ft on 03/09/1998
(7) 27.77 ft on 12/27/2015
(8) 26.67 ft on 11/27/1992
(9) 26.10 ft on 02/28/1929
(10) 26.10 ft on 03/22/1942
(11) 26.00 ft on 01/19/1925
(12) 25.60 ft on 04/04/1975
(13) 25.56 ft on 02/20/2020
(14) 25.50 ft on 03/18/1976
(15) 25.50 ft on 03/23/1970
(16) 25.47 ft on 02/08/2020
(17) 25.30 ft on 12/11/1919
(18) 25.20 ft on 04/09/1936
(19) 25.10 ft on 10/02/1929
(20) 24.70 ft on 04/08/1964
(21) 24.30 ft on 03/27/1978
(22) 24.30 ft on 01/27/1978
(23) 24.30 ft on 01/08/1946
(24) 24.30 ft on 04/22/2019
(25) 24.26 ft on 11/12/2009
(26) 24.22 ft on 03/07/2020
(27) 24.10 ft on 02/26/1961
(28) 24.00 ft on 08/01/1887
(29) 24.00 ft on 04/09/1983
(30) 23.90 ft on 03/05/1952
(31) 23.70 ft on 12/26/1964
(32) 23.68 ft on 01/05/2019
(33) 23.63 ft on 04/10/1983
(34) 23.62 ft on 03/29/2009
(35) 23.60 ft on 01/13/1972
(36) 23.50 ft on 03/16/1913
(37) 23.40 ft on 12/26/1997
(38) 23.40 ft on 02/25/1979
(39) 23.40 ft on 03/20/1944
(40) 23.32 ft on 02/05/1998
(41) 23.30 ft on 01/16/2020
(42) 23.20 ft on 03/11/1922
(43) 23.10 ft on 07/11/1916
(44) 23.00 ft on 02/14/1966
(45) 23.00 ft on 04/03/1974
(46) 23.00 ft on 03/13/1980
(47) 23.00 ft on 03/09/1980
(48) 23.00 ft on 03/02/1997
(49) 23.00 ft on 04/05/1974
(50) 23.00 ft on 08/16/1928
(51) 22.90 ft on 04/16/1979
(52) 22.80 ft on 03/01/1902
(53) 22.74 ft on 10/07/1995
(54) 22.73 ft on 08/02/1984
(55) 22.72 ft on 01/21/1963
(56) 22.70 ft on 02/12/1995
(57) 22.70 ft on 03/16/1912
(58) 22.70 ft on 03/22/1943
(59) 22.70 ft on 05/01/1953
(60) 22.66 ft on 02/13/1995
(61) 22.50 ft on 12/04/2009
(62) 22.50 ft on 05/15/1976
(63) 22.47 ft on 02/11/1981
(64) 22.47 ft on 09/24/2009
(65) 22.40 ft on 03/08/1996
(66) 22.40 ft on 07/03/2003
(67) 22.38 ft on 04/02/2016
(68) 22.36 ft on 12/24/2013
(69) 22.28 ft on 04/21/2020
(70) 22.20 ft on 04/09/1969
(71) 22.18 ft on 04/19/1969
(72) 22.17 ft on 03/30/1980
(73) 22.10 ft on 04/27/1945
(74) 21.90 ft on 02/07/2010
(75) 21.80 ft on 05/09/2003
(76) 21.79 ft on 05/07/2013
(77) 21.70 ft on 02/14/1900
(78) 21.70 ft on 08/03/1984
(79) 21.66 ft on 12/11/2018
(80) 21.60 ft on 03/09/1947
(81) 21.60 ft on 02/11/1921
(82) 21.59 ft on 01/27/2010
(83) 21.51 ft on 02/07/1985
(84) 21.50 ft on 02/21/1990
(85) 21.40 ft on 04/08/1973
(86) 21.40 ft on 03/22/1977
(87) 21.40 ft on 02/04/1996
(88) 21.40 ft on 03/08/2003
(89) 21.25 ft on 02/05/1982
(90) 21.10 ft on 05/29/1976
(91) 21.10 ft on 03/01/1939
(92) 21.07 ft on 04/21/2015
(93) 21.04 ft on 12/19/2009
(94) 21.00 ft on 12/19/1992
(95) 21.00 ft on 04/30/1937
(96) 20.99 ft on 12/30/2018
(97) 20.90 ft on 03/28/1993
(98) 20.90 ft on 05/24/2003
(99) 20.90 ft on 06/03/1959
(100) 20.90 ft on 06/05/1959
(101) 20.81 ft on 02/13/2013
(102) 20.80 ft on 03/16/2001
(103) 20.70 ft on 03/22/2003
(104) 20.70 ft on 02/09/1903
(105) 20.69 ft on 11/04/2015
(106) 20.66 ft on 03/29/2005
(107) 20.64 ft on 10/28/1997
(108) 20.60 ft on 03/13/1909
(109) 20.60 ft on 02/26/1919
(110) 20.60 ft on 04/07/1938
(111) 20.57 ft on 02/24/2013
(112) 20.57 ft on 04/02/2005
(113) 20.50 ft on 03/14/1968
(114) 20.49 ft on 12/30/2013
(115) 20.48 ft on 01/26/2019
(116) 20.45 ft on 08/23/1992
(117) 20.43 ft on 12/22/2018
(118) 20.41 ft on 10/14/2009
(119) 20.40 ft on 08/24/1992
(120) 20.40 ft on 04/27/1908
(121) 20.32 ft on 11/11/2015
(122) 20.29 ft on 03/02/1987
(123) 20.20 ft on 05/22/1980
(124) 20.20 ft on 12/25/1956
(125) 20.20 ft on 03/01/1910
(126) 20.11 ft on 03/12/2010
(127) 20.10 ft on 02/11/1948
(128) 20.10 ft on 05/30/1923
(129) 20.00 ft on 07/09/1896
(130) 20.00 ft on 03/12/1962
(131) 19.90 ft on 01/23/1906
(132) 19.89 ft on 02/26/2020
(133) 19.88 ft on 09/19/2004
(134) 19.87 ft on 01/24/2016
(135) 19.82 ft on 05/04/2010
(136) 19.66 ft on 01/23/2017
(137) 19.60 ft on 04/29/1997
(138) 19.50 ft on 03/31/1960
(139) 19.50 ft on 02/08/1958
(140) 19.50 ft on 04/06/1917
(141) 19.46 ft on 02/16/1997
(142) 19.41 ft on 11/16/2018
(143) 19.39 ft on 02/27/2013
(144) 19.38 ft on 04/08/2017
(145) 19.30 ft on 08/18/1995
(146) 19.30 ft on 12/05/1983
(147) 19.20 ft on 04/09/2014
(148) 19.10 ft on 03/01/1987
(149) 19.09 ft on 02/25/2016
(150) 19.02 ft on 02/05/2016
(151) 19.00 ft on 03/19/1956
(152) 18.97 ft on 06/20/2003
(153) 18.90 ft on 10/12/1934
(154) 18.90 ft on 10/12/1935
(155) 18.80 ft on 04/03/1901
(156) 18.79 ft on 01/05/2020
(157) 18.76 ft on 03/02/1991
(158) 18.70 ft on 04/05/1979
(159) 18.65 ft on 04/06/1998
(160) 18.60 ft on 08/26/1967
(161) 18.60 ft on 06/23/1989
(162) 18.58 ft on 01/04/2017
(163) 18.51 ft on 02/12/2020
(164) 18.40 ft on 04/25/2018
(165) 18.40 ft on 03/17/1895
(166) 18.40 ft on 09/30/1924
(167) 18.38 ft on 02/15/2020
(168) 18.36 ft on 03/25/2013
(169) 18.36 ft on 02/09/2018
(170) 18.21 ft on 12/24/2019
(171) 18.20 ft on 09/04/1898
(172) 18.20 ft on 10/04/1906
(173) 18.18 ft on 03/18/2014
(174) 18.14 ft on 11/20/2015
(175) 18.10 ft on 05/07/1991
(176) 18.10 ft on 02/04/1932
(177) 18.05 ft on 07/07/2013
(178) 18.00 ft on 03/14/1897

(P): Preliminary values subject to further review.