Historic Crests
(1) 34.55 ft on 05/11/1943
(2) 34.11 ft on 04/15/1945
(3) 33.35 ft on 06/24/1948
(4) 31.19 ft on 03/16/1990
(5) 30.69 ft on 06/13/1974
(6) 30.36 ft on 11/06/1974
(7) 30.01 ft on 05/14/1993
(8) 29.78 ft on 06/11/1941
(9) 29.75 ft on 05/26/1957
(10) 29.65 ft on 02/27/1985
(11) 28.79 ft on 11/03/1941
(12) 28.05 ft on 05/20/1943
(13) 27.80 ft on 05/24/1949
(14) 27.75 ft on 04/23/1942
(15) 27.53 ft on 05/05/1988
(16) 27.53 ft on 04/05/1988
(17) 27.48 ft on 04/21/1990
(18) 27.46 ft on 12/29/2015 (P)
(19) 27.44 ft on 06/20/2015
(20) 27.32 ft on 05/12/1995
(21) 27.10 ft on 04/29/1999
(22) 26.93 ft on 07/03/2021 (P)
(23) 26.85 ft on 05/12/1950
(24) 26.80 ft on 03/21/1998
(25) 26.56 ft on 05/25/2015
(26) 26.25 ft on 06/26/1942
(27) 26.21 ft on 07/01/2007
(28) 26.21 ft on 06/15/1995
(29) 26.17 ft on 06/16/1957
(30) 26.01 ft on 05/26/2019 (P)
(31) 25.90 ft on 05/18/1947
(32) 25.64 ft on 05/31/1995
(33) 25.63 ft on 03/20/1945
(34) 25.50 ft on 10/20/1985
(35) 25.22 ft on 06/27/1958
(36) 25.20 ft on 05/07/1990
(37) 25.20 ft on 06/12/1949
(38) 25.07 ft on 10/02/1986
(39) 24.89 ft on 10/09/1959
(40) 24.64 ft on 05/19/1986
(41) 24.50 ft on 10/05/1945
(42) 24.47 ft on 07/14/2007
(43) 24.46 ft on 04/15/2008
(44) 24.45 ft on 03/05/1987
(45) 24.28 ft on 01/03/1985
(46) 24.22 ft on 06/03/1987
(47) 24.18 ft on 04/13/1942
(48) 23.99 ft on 05/05/1985
(49) 23.99 ft on 06/05/1973
(50) 23.94 ft on 10/15/1985
(51) 23.88 ft on 04/22/1941
(52) 23.84 ft on 05/18/1982
(53) 23.71 ft on 06/15/1942
(54) 23.68 ft on 03/08/1988
(55) 23.65 ft on 07/20/1950
(56) 23.60 ft on 05/01/1998
(57) 23.50 ft on 10/06/1941
(58) 23.49 ft on 05/12/2007
(59) 23.44 ft on 05/31/2019
(60) 23.42 ft on 05/07/1960
(61) 23.33 ft on 07/28/1959
(62) 23.30 ft on 04/19/1947
(63) 23.30 ft on 05/21/2017 (P)
(64) 23.18 ft on 05/25/1955
(65) 23.00 ft on 01/09/1998
(66) 22.99 ft on 05/04/1993
(67) 22.90 ft on 10/17/1941
(68) 22.90 ft on 07/12/1948
(69) 22.90 ft on 06/03/2001
(70) 22.85 ft on 06/06/1982
(71) 22.85 ft on 10/25/1983
(72) 22.74 ft on 05/20/1957
(73) 22.62 ft on 06/04/1949
(74) 22.61 ft on 06/12/1985
(75) 22.60 ft on 10/10/1998
(76) 22.52 ft on 06/06/1957
(77) 22.50 ft on 05/29/1975
(78) 22.50 ft on 12/22/1984
(79) 22.44 ft on 05/18/1983
(80) 22.40 ft on 04/30/1947
(81) 22.30 ft on 05/13/2019
(82) 22.22 ft on 05/11/2015
(83) 22.18 ft on 08/19/1942
(84) 22.09 ft on 06/18/1945
(85) 22.09 ft on 12/16/1971
(86) 21.99 ft on 03/31/1985
(87) 21.86 ft on 03/12/1973
(88) 21.85 ft on 05/10/1941
(89) 21.85 ft on 06/13/1979
(90) 21.80 ft on 05/31/1982
(91) 21.78 ft on 03/23/2020 (P)
(92) 21.75 ft on 11/26/1973
(93) 21.73 ft on 06/17/1989
(94) 21.58 ft on 04/26/2011
(95) 21.50 ft on 04/27/1957
(96) 21.34 ft on 05/28/2016
(97) 21.30 ft on 02/28/2001
(98) 21.16 ft on 04/26/1973
(99) 21.15 ft on 04/24/1976
(100) 21.14 ft on 03/14/1994
(101) 21.12 ft on 11/21/1985
(102) 21.08 ft on 06/11/1962
(103) 21.03 ft on 04/06/1964
(104) 20.94 ft on 09/05/1940
(105) 20.80 ft on 09/16/1950
(106) 20.75 ft on 03/18/1995
(107) 20.69 ft on 10/22/1971
(108) 20.66 ft on 03/30/1975
(109) 20.61 ft on 04/06/1993
(110) 20.60 ft on 07/02/1999
(111) 20.60 ft on 03/08/1990
(112) 20.58 ft on 05/10/2019
(113) 20.47 ft on 04/16/1960
(114) 20.36 ft on 05/05/2017 (P)
(115) 20.36 ft on 05/29/1946
(116) 20.35 ft on 06/29/1957
(117) 20.35 ft on 06/17/1951
(118) 20.30 ft on 09/20/1989
(119) 20.22 ft on 04/22/1968
(120) 20.19 ft on 03/09/1985
(121) 20.13 ft on 12/02/1940
(122) 20.10 ft on 04/25/1967
(123) 19.97 ft on 07/03/1945
(124) 19.95 ft on 04/10/2008
(125) 19.94 ft on 03/24/1987
(126) 19.90 ft on 02/21/1987
(127) 19.90 ft on 05/11/1944
(128) 19.90 ft on 03/11/1944
(129) 19.85 ft on 05/06/1979
(130) 19.84 ft on 02/27/1993
(131) 19.84 ft on 05/26/1960
(132) 19.77 ft on 03/09/2004
(133) 19.72 ft on 03/18/1999
(134) 19.60 ft on 03/06/2004
(135) 19.60 ft on 05/30/1952
(136) 19.58 ft on 12/28/1987
(137) 19.53 ft on 06/23/1958
(138) 19.45 ft on 06/08/2013
(139) 19.42 ft on 09/06/1971
(140) 19.42 ft on 04/02/1973
(141) 19.42 ft on 02/03/1983
(142) 19.40 ft on 11/13/1996
(143) 19.39 ft on 11/26/1994
(144) 19.34 ft on 05/03/1949
(145) 19.33 ft on 10/31/1942
(146) 19.31 ft on 05/02/1970
(147) 19.30 ft on 04/24/2016
(148) 19.24 ft on 05/17/1948
(149) 19.20 ft on 10/31/2000
(150) 19.10 ft on 07/12/1962
(151) 19.07 ft on 05/22/1960
(152) 19.00 ft on 04/26/1953
(153) 18.90 ft on 12/29/1997
(154) 18.90 ft on 05/07/2000
(155) 18.88 ft on 05/04/1954
(156) 18.87 ft on 05/05/1975
(157) 18.84 ft on 11/06/1959
(158) 18.80 ft on 02/03/2001
(159) 18.70 ft on 06/20/1975
(160) 18.67 ft on 06/23/1980
(161) 18.61 ft on 03/22/1944
(162) 18.60 ft on 04/24/1952
(163) 18.48 ft on 02/22/1993
(164) 18.42 ft on 06/07/2021 (P)
(165) 18.40 ft on 09/11/1941
(166) 18.38 ft on 03/20/2008
(167) 18.30 ft on 11/11/1986
(168) 18.30 ft on 04/06/1986
(169) 18.23 ft on 05/27/1968
(170) 18.20 ft on 04/17/1997
(171) 18.19 ft on 06/02/2021 (P)
(172) 18.12 ft on 02/16/1949
(173) 18.03 ft on 05/22/1975
(174) 18.00 ft on 06/02/1943
(175) 17.96 ft on 06/03/1943
(176) 17.95 ft on 05/10/1974
(177) 17.95 ft on 12/14/1946
(178) 17.90 ft on 05/30/1944
(179) 17.88 ft on 06/14/1945
(180) 17.85 ft on 07/22/2015 (P)
(181) 17.84 ft on 06/02/1959
(182) 17.69 ft on 02/25/1975
(183) 17.62 ft on 05/16/1968
(184) 17.60 ft on 05/05/1946
(185) 17.56 ft on 06/30/1989
(186) 17.53 ft on 06/10/1991
(187) 17.43 ft on 03/26/1969
(188) 17.42 ft on 09/11/1974
(189) 17.40 ft on 04/10/1944
(190) 17.36 ft on 11/03/1972
(191) 17.36 ft on 07/23/1959
(192) 17.36 ft on 06/23/1959
(193) 17.20 ft on 04/01/1984
(194) 17.20 ft on 07/02/1947
(195) 17.10 ft on 03/18/1986
(196) 17.10 ft on 11/26/1964
(197) 17.01 ft on 03/08/1945
(198) 17.00 ft on 03/28/1943
(199) 16.65 ft on 07/13/1950
(200) 16.63 ft on 07/27/1961
(201) 16.62 ft on 05/05/1944
(202) 16.40 ft on 05/14/1946
(203) 16.25 ft on 02/24/2018
(204) 16.14 ft on 07/08/2015
(205) 16.12 ft on 02/06/1960
(206) 16.00 ft on 06/03/1947
(207) 16.00 ft on 02/21/1951
(208) 15.98 ft on 11/25/1941
(209) 15.93 ft on 04/04/1946
(210) 15.88 ft on 06/28/1980
(211) 15.87 ft on 09/17/1962
(212) 15.86 ft on 04/03/1957
(213) 15.81 ft on 05/07/1961
(214) 15.79 ft on 01/11/1946
(215) 15.71 ft on 04/05/1950
(216) 15.50 ft on 06/30/1946
(217) 15.40 ft on 03/11/1951
(218) 15.39 ft on 02/20/1989
(219) 15.37 ft on 05/25/1991
(220) 15.27 ft on 07/09/1979
(221) 15.15 ft on 06/06/1983
(222) 15.13 ft on 03/24/1984
(223) 15.02 ft on 12/27/1959
(224) 14.90 ft on 03/12/1952
(225) 14.86 ft on 04/27/1963
(226) 14.82 ft on 07/15/1961
(227) 14.82 ft on 12/19/1959
(228) 14.82 ft on 04/30/1940
(229) 14.74 ft on 06/23/1979
(230) 14.74 ft on 05/26/1954
(231) 14.69 ft on 03/11/1989
(232) 14.55 ft on 05/22/1978
(233) 14.50 ft on 06/06/1978
(234) 14.48 ft on 05/28/1989
(235) 14.41 ft on 04/23/1983
(236) 14.17 ft on 11/22/1979
(237) 14.01 ft on 04/23/1985
(238) 14.00 ft on 05/30/1981
(239) 13.68 ft on 06/06/1986
(240) 13.32 ft on 05/22/1977
(241) 12.82 ft on 10/05/1955
(242) 12.50 ft on 07/08/1939
(243) 11.27 ft on 05/18/1966

(P): Preliminary values subject to further review.