Historic Crests
(1) 30.66 ft on 10/21/1983
(2) 29.77 ft on 05/25/2015
(3) 29.75 ft on 05/28/1987
(4) 29.72 ft on 05/18/1951
(5) 29.70 ft on 01/01/1906
(6) 29.62 ft on 05/17/1947
(7) 29.50 ft on 06/06/1995
(8) 29.39 ft on 06/13/2016
(9) 29.35 ft on 06/30/2007
(10) 28.80 ft on 05/26/1957
(11) 28.50 ft on 06/09/1962
(12) 28.49 ft on 06/05/1995
(13) 28.38 ft on 05/29/1975
(14) 28.38 ft on 05/20/1955
(15) 28.32 ft on 10/26/2001
(16) 28.32 ft on 10/26/2000
(17) 28.32 ft on 03/16/1998
(18) 28.21 ft on 05/03/1990
(19) 28.18 ft on 06/08/1941
(20) 28.16 ft on 05/24/1975
(21) 28.10 ft on 06/26/2007
(22) 28.07 ft on 05/18/1952
(23) 28.07 ft on 05/29/1978
(24) 28.06 ft on 05/28/1943
(25) 28.02 ft on 12/20/1991
(26) 28.00 ft on 10/05/1959
(27) 27.94 ft on 10/31/1972
(28) 27.87 ft on 05/10/2007
(29) 27.86 ft on 08/20/2007
(30) 27.82 ft on 12/27/2018
(31) 27.80 ft on 01/01/1985
(32) 27.80 ft on 05/13/1954
(33) 27.80 ft on 06/08/1989
(34) 27.79 ft on 10/06/1955
(35) 27.79 ft on 10/19/1960
(36) 27.65 ft on 06/27/2007
(37) 27.58 ft on 05/24/2015
(38) 27.56 ft on 05/12/1950
(39) 27.53 ft on 05/11/1993
(40) 27.53 ft on 05/04/1957
(41) 27.46 ft on 03/31/2007
(42) 27.45 ft on 09/30/1945
(43) 27.45 ft on 03/12/1945
(44) 27.44 ft on 04/11/2008
(45) 27.40 ft on 05/07/1995
(46) 27.39 ft on 04/19/2016
(47) 27.38 ft on 05/26/2019
(48) 27.34 ft on 05/11/1943
(49) 27.25 ft on 11/04/2000
(50) 27.23 ft on 06/12/1951
(51) 27.19 ft on 07/26/2013
(52) 27.15 ft on 03/30/2017
(53) 27.12 ft on 06/03/1962
(54) 27.12 ft on 05/26/1982
(55) 27.11 ft on 05/01/2009
(56) 27.02 ft on 05/21/1943
(57) 27.02 ft on 06/04/2016
(58) 27.00 ft on 10/24/1953
(59) 26.87 ft on 06/02/1946
(60) 26.82 ft on 05/22/2019
(61) 26.77 ft on 03/20/2020
(62) 26.77 ft on 05/21/1977
(63) 26.76 ft on 06/20/1951
(64) 26.76 ft on 06/10/1979
(65) 26.72 ft on 05/28/1959
(66) 26.64 ft on 06/03/1947
(67) 26.64 ft on 05/30/2015
(68) 26.62 ft on 11/20/1953
(69) 26.62 ft on 04/17/1945
(70) 26.52 ft on 06/07/1953
(71) 26.51 ft on 05/05/1988
(72) 26.51 ft on 05/19/1957
(73) 26.40 ft on 05/10/2015
(74) 26.39 ft on 09/28/1945
(75) 26.38 ft on 04/28/1997
(76) 26.33 ft on 02/16/1993
(77) 26.33 ft on 09/27/1955
(78) 26.28 ft on 10/02/1941
(79) 26.14 ft on 05/14/1947
(80) 26.12 ft on 09/20/1991
(81) 26.09 ft on 04/16/1947
(82) 26.04 ft on 09/28/2017
(83) 25.99 ft on 05/01/2019
(84) 25.97 ft on 10/31/1941
(85) 25.85 ft on 06/09/1961
(86) 25.80 ft on 12/04/1953
(87) 25.76 ft on 04/12/1944
(88) 25.72 ft on 12/19/1959
(89) 25.71 ft on 06/08/1951
(90) 25.69 ft on 05/18/1943
(91) 25.66 ft on 07/03/1951
(92) 25.65 ft on 07/03/1959
(93) 25.62 ft on 06/01/1957
(94) 25.60 ft on 05/06/1941
(95) 25.56 ft on 06/03/2017
(96) 25.49 ft on 08/16/1971
(97) 25.42 ft on 05/31/1949
(98) 25.40 ft on 04/12/1997
(99) 25.35 ft on 06/07/1978
(100) 25.35 ft on 08/27/2017
(101) 25.32 ft on 06/24/1942
(102) 25.23 ft on 06/05/1957
(103) 25.22 ft on 05/20/2015
(104) 25.21 ft on 06/10/1955
(105) 25.21 ft on 06/16/2007
(106) 25.19 ft on 06/06/1961
(107) 25.16 ft on 05/24/1947
(108) 25.15 ft on 09/25/1974
(109) 25.03 ft on 06/05/1949
(110) 25.03 ft on 04/26/1948
(111) 24.96 ft on 12/06/1947
(112) 24.94 ft on 04/09/1942
(113) 24.75 ft on 04/24/1957
(114) 24.75 ft on 03/23/1948
(115) 24.73 ft on 04/15/2017
(116) 24.64 ft on 11/05/1959
(117) 24.60 ft on 06/25/1975
(118) 24.57 ft on 06/11/1941
(119) 24.41 ft on 04/15/2019
(120) 24.40 ft on 06/17/1941
(121) 24.34 ft on 06/04/1950
(122) 24.26 ft on 05/30/1946
(123) 24.24 ft on 05/04/1958
(124) 24.18 ft on 06/22/1950
(125) 24.17 ft on 11/18/2004
(126) 24.10 ft on 04/28/1963
(127) 24.04 ft on 10/23/2017
(128) 23.94 ft on 03/14/2019
(129) 23.90 ft on 04/26/1957
(130) 23.86 ft on 09/23/1957
(131) 23.81 ft on 03/31/1953
(132) 23.80 ft on 10/27/1953
(133) 23.64 ft on 09/14/1961
(134) 23.60 ft on 10/04/1944
(135) 23.59 ft on 05/15/2015
(136) 23.55 ft on 11/01/1974
(137) 23.48 ft on 09/27/1959
(138) 23.47 ft on 03/26/1973
(139) 23.40 ft on 05/28/1962
(140) 23.40 ft on 07/15/1945
(141) 23.36 ft on 03/31/1963
(142) 23.34 ft on 09/19/1988
(143) 23.25 ft on 08/19/1977
(144) 23.23 ft on 04/14/1945
(145) 23.15 ft on 03/04/1945
(146) 23.10 ft on 07/27/1975
(147) 23.00 ft on 08/30/1996
(148) 22.96 ft on 02/09/1949
(149) 22.96 ft on 01/29/2010
(150) 22.87 ft on 06/13/1945
(151) 22.78 ft on 05/07/2015
(152) 22.71 ft on 05/27/1955
(153) 22.68 ft on 05/26/1994
(154) 22.68 ft on 07/14/2007
(155) 22.66 ft on 08/27/1942
(156) 22.62 ft on 03/11/1973
(157) 22.52 ft on 05/31/1945
(158) 22.47 ft on 03/06/1973
(159) 22.44 ft on 06/02/1951
(160) 22.28 ft on 05/16/2015
(161) 22.26 ft on 10/29/1962
(162) 22.15 ft on 05/31/2007
(163) 22.11 ft on 05/02/1954
(164) 22.10 ft on 06/23/1999
(165) 21.99 ft on 11/09/2000
(166) 21.91 ft on 05/20/2017
(167) 21.90 ft on 06/06/2002
(168) 21.68 ft on 06/27/2003
(169) 21.66 ft on 09/21/1942
(170) 21.60 ft on 05/30/2019
(171) 21.58 ft on 05/10/1957
(172) 21.50 ft on 11/25/2000
(173) 21.47 ft on 05/20/1949
(174) 21.44 ft on 12/12/1946
(175) 21.43 ft on 06/10/1951
(176) 21.34 ft on 05/17/2009
(177) 21.26 ft on 04/13/2020
(178) 21.12 ft on 06/29/1962
(179) 20.89 ft on 05/18/2015
(180) 20.61 ft on 03/18/2020
(181) 20.08 ft on 04/28/2016
(182) 20.05 ft on 09/18/2006
(183) 19.90 ft on 03/24/2000
(184) 19.65 ft on 06/23/2020
(185) 19.44 ft on 05/08/2008
(186) 19.35 ft on 06/20/2020
(187) 19.19 ft on 02/21/2017
(188) 18.76 ft on 05/21/2011
(189) 18.15 ft on 08/19/2008
(190) 18.02 ft on 04/19/2013
(191) 18.01 ft on 07/08/2015
(192) 17.94 ft on 05/28/2016
(193) 17.70 ft on 03/05/2004
(194) 17.58 ft on 07/09/2010
(195) 17.54 ft on 05/11/2019
(196) 17.38 ft on 10/26/2018
(197) 17.35 ft on 05/24/2009
(198) 17.28 ft on 01/05/2019
(199) 17.06 ft on 05/11/2009
(200) 16.61 ft on 02/17/2008
(201) 15.91 ft on 09/27/2018
(202) 15.88 ft on 06/15/2010
(203) 15.58 ft on 05/04/2019
(204) 15.04 ft on 05/19/2019
(205) 15.03 ft on 07/14/2010
(206) 15.03 ft on 10/07/2017
(207) 15.00 ft on 04/25/2019
(208) 12.76 ft on 03/20/2012

(P): Preliminary values subject to further review.