Historic Crests
(1) 29.58 ft on 05/29/1987
(2) 29.07 ft on 06/10/1995
(3) 28.89 ft on 10/20/1983
(4) 28.79 ft on 06/05/1995
(5) 27.51 ft on 09/22/1969
(6) 27.23 ft on 06/26/2007
(7) 27.19 ft on 04/18/2016
(8) 27.10 ft on 05/18/1951
(9) 27.00 ft on 01/01/1908
(10) 26.69 ft on 03/17/1998
(11) 26.44 ft on 09/27/2017
(12) 26.39 ft on 06/30/2007
(13) 26.06 ft on 10/19/1960
(14) 25.97 ft on 10/03/1986
(15) 25.93 ft on 10/23/1986
(16) 25.83 ft on 07/17/2014
(17) 25.69 ft on 03/30/2017
(18) 25.63 ft on 12/27/2018
(19) 25.62 ft on 12/20/1991
(20) 25.54 ft on 05/24/2016
(21) 25.51 ft on 07/28/1991
(22) 25.47 ft on 10/19/1985
(23) 25.40 ft on 05/01/2009
(24) 25.22 ft on 05/25/2015
(25) 25.15 ft on 10/27/2000
(26) 25.13 ft on 06/11/1987
(27) 25.09 ft on 08/04/1995
(28) 25.00 ft on 05/20/2015
(29) 24.92 ft on 05/18/1952
(30) 24.84 ft on 06/21/2020
(31) 24.83 ft on 06/19/1992
(32) 24.82 ft on 10/31/1971
(33) 24.66 ft on 04/20/1990
(34) 24.64 ft on 11/03/2000
(35) 24.62 ft on 08/15/1971
(36) 24.58 ft on 06/08/1985
(37) 24.51 ft on 06/09/1989
(38) 24.47 ft on 03/31/1973
(39) 24.44 ft on 10/06/1955
(40) 24.40 ft on 08/19/2008
(41) 24.28 ft on 10/05/1959
(42) 24.26 ft on 05/24/1982
(43) 24.24 ft on 03/12/1990
(44) 24.23 ft on 05/22/2019
(45) 24.18 ft on 05/11/1950
(46) 24.17 ft on 07/08/2015
(47) 24.17 ft on 01/06/1998
(48) 24.13 ft on 06/02/2016
(49) 24.10 ft on 03/04/1988
(50) 24.08 ft on 03/31/2007
(51) 24.06 ft on 06/15/1989
(52) 24.05 ft on 09/20/1988
(53) 24.05 ft on 09/19/1991
(54) 24.00 ft on 06/04/1981
(55) 23.99 ft on 02/23/1985
(56) 23.99 ft on 05/20/1955
(57) 23.98 ft on 05/13/1954
(58) 23.93 ft on 06/23/1975
(59) 23.88 ft on 05/03/1990
(60) 23.88 ft on 05/31/1980
(61) 23.88 ft on 05/10/1993
(62) 23.86 ft on 05/23/1975
(63) 23.74 ft on 05/20/1957
(64) 23.74 ft on 05/08/1995
(65) 23.72 ft on 06/05/1991
(66) 23.71 ft on 05/08/2015
(67) 23.71 ft on 05/04/1957
(68) 23.70 ft on 06/01/1968
(69) 23.66 ft on 12/29/2015
(70) 23.66 ft on 09/25/1974
(71) 23.66 ft on 12/29/2015
(72) 23.64 ft on 12/14/1992
(73) 23.63 ft on 10/24/1953
(74) 23.63 ft on 01/01/1985
(75) 23.60 ft on 05/26/1991
(76) 23.56 ft on 04/12/2008
(77) 23.47 ft on 10/17/2006
(78) 23.47 ft on 03/09/2020
(79) 23.44 ft on 11/23/1992
(80) 23.38 ft on 06/01/1997
(81) 23.38 ft on 09/06/1986
(82) 23.35 ft on 05/30/2015
(83) 23.34 ft on 05/11/2007
(84) 23.28 ft on 07/31/1973
(85) 23.21 ft on 06/03/2017
(86) 23.20 ft on 11/06/1986
(87) 23.18 ft on 05/21/1977
(88) 23.17 ft on 05/16/2015
(89) 23.17 ft on 03/09/1992
(90) 23.13 ft on 09/15/1976
(91) 23.11 ft on 08/30/1966
(92) 23.02 ft on 05/27/1994
(93) 23.01 ft on 04/15/2019
(94) 23.00 ft on 09/26/1955
(95) 22.94 ft on 06/11/1962
(96) 22.93 ft on 10/28/2020 (P)
(97) 22.91 ft on 05/27/1957
(98) 22.87 ft on 05/20/2017
(99) 22.86 ft on 04/15/1993
(100) 22.85 ft on 06/04/1973
(101) 22.83 ft on 09/05/1996
(102) 22.82 ft on 03/05/1985
(103) 22.79 ft on 02/27/1987
(104) 22.69 ft on 04/26/1957
(105) 22.68 ft on 03/21/1985
(106) 22.66 ft on 04/14/2002
(107) 22.60 ft on 05/23/1983
(108) 22.58 ft on 10/26/1953
(109) 22.54 ft on 05/27/2019
(110) 22.48 ft on 05/31/1975
(111) 22.48 ft on 05/20/2018
(112) 22.46 ft on 06/22/1993
(113) 22.45 ft on 11/27/1986
(114) 22.42 ft on 05/30/1999
(115) 22.32 ft on 06/10/2017
(116) 22.28 ft on 07/10/2010
(117) 22.26 ft on 03/02/1990
(118) 22.25 ft on 08/15/2017
(119) 22.22 ft on 05/31/1992
(120) 22.22 ft on 05/29/1978
(121) 22.19 ft on 05/14/1982
(122) 22.19 ft on 09/15/1961
(123) 22.14 ft on 05/22/2011
(124) 22.14 ft on 05/31/1981
(125) 22.14 ft on 04/15/2017
(126) 22.13 ft on 06/02/1957
(127) 22.05 ft on 11/18/2004
(128) 22.01 ft on 04/23/1957
(129) 22.00 ft on 05/01/1957
(130) 22.00 ft on 02/07/1987
(131) 21.95 ft on 09/11/2020
(132) 21.92 ft on 06/11/1975
(133) 21.91 ft on 09/15/1989
(134) 21.87 ft on 06/06/1951
(135) 21.82 ft on 04/19/1995
(136) 21.82 ft on 05/03/1993
(137) 21.80 ft on 05/19/1982
(138) 21.72 ft on 04/28/1997
(139) 21.68 ft on 06/10/1979
(140) 21.62 ft on 03/13/2019
(141) 21.61 ft on 01/23/1972
(142) 21.59 ft on 11/25/2000
(143) 21.59 ft on 07/06/2017
(144) 21.57 ft on 06/20/2020
(145) 21.51 ft on 09/26/1971
(146) 21.46 ft on 05/16/1977
(147) 21.45 ft on 05/23/1979
(148) 21.40 ft on 05/27/1950
(149) 21.39 ft on 07/04/1968
(150) 21.35 ft on 05/07/1969
(151) 21.34 ft on 11/20/1964
(152) 21.31 ft on 10/29/1991
(153) 21.30 ft on 06/24/1959
(154) 21.23 ft on 06/21/1973
(155) 21.22 ft on 08/30/1996
(156) 21.18 ft on 04/20/1959
(157) 21.18 ft on 06/03/1992
(158) 21.16 ft on 05/30/1982
(159) 21.12 ft on 01/30/2010
(160) 21.10 ft on 06/14/1982
(161) 21.09 ft on 05/22/1982
(162) 21.08 ft on 06/14/1991
(163) 21.04 ft on 02/21/1997
(164) 21.02 ft on 06/23/1950
(165) 21.00 ft on 05/11/1957
(166) 20.93 ft on 09/20/1995
(167) 20.86 ft on 11/29/2015
(168) 20.86 ft on 03/06/1973
(169) 20.84 ft on 07/03/1987
(170) 20.84 ft on 06/04/1950
(171) 20.80 ft on 04/12/1997
(172) 20.76 ft on 01/21/2007
(173) 20.76 ft on 02/21/1998
(174) 20.76 ft on 08/20/2007
(175) 20.71 ft on 10/01/1985
(176) 20.69 ft on 01/30/2001
(177) 20.67 ft on 11/05/1964
(178) 20.63 ft on 05/01/2019
(179) 20.60 ft on 05/11/1959
(180) 20.60 ft on 06/05/1979
(181) 20.59 ft on 06/08/1978
(182) 20.58 ft on 11/09/2000
(183) 20.54 ft on 03/12/1973
(184) 20.47 ft on 03/08/1970
(185) 20.46 ft on 05/20/1997
(186) 20.41 ft on 06/15/1983
(187) 20.41 ft on 03/08/2020
(188) 20.34 ft on 03/02/1993
(189) 20.26 ft on 03/17/1987
(190) 20.26 ft on 04/19/1992
(191) 20.23 ft on 05/04/1958
(192) 20.20 ft on 06/20/1957
(193) 20.05 ft on 06/20/1985
(194) 20.04 ft on 07/07/2010
(195) 20.00 ft on 07/08/1958
(196) 19.99 ft on 05/26/1986
(197) 19.88 ft on 03/12/1974
(198) 19.87 ft on 05/09/1977
(199) 19.87 ft on 05/12/2019
(200) 19.85 ft on 10/30/2002
(201) 19.76 ft on 05/25/1959
(202) 19.74 ft on 03/05/1992
(203) 19.74 ft on 05/30/1952
(204) 19.74 ft on 02/18/1993
(205) 19.72 ft on 05/02/2018
(206) 19.68 ft on 04/10/1990
(207) 19.61 ft on 10/31/1974
(208) 19.61 ft on 06/06/2002
(209) 19.60 ft on 10/21/1965
(210) 19.49 ft on 04/08/2002
(211) 19.42 ft on 03/20/1999
(212) 19.40 ft on 12/24/2002
(213) 19.33 ft on 09/21/2018
(214) 19.26 ft on 09/15/1991
(215) 19.25 ft on 09/03/1986
(216) 19.24 ft on 05/28/2016
(217) 19.23 ft on 05/27/1954
(218) 19.20 ft on 03/11/1994
(219) 19.10 ft on 05/29/1995
(220) 19.02 ft on 03/15/2004
(221) 19.01 ft on 04/24/1995
(222) 18.97 ft on 04/01/1985
(223) 18.71 ft on 09/25/2016
(224) 18.70 ft on 05/11/1997
(225) 18.65 ft on 09/05/1991
(226) 18.43 ft on 11/24/2004
(227) 18.42 ft on 02/16/2001
(228) 18.36 ft on 04/14/1967
(229) 18.24 ft on 02/26/2001
(230) 18.22 ft on 10/07/2018
(231) 18.17 ft on 06/18/1986
(232) 18.05 ft on 06/15/2016
(233) 18.00 ft on 04/29/1963
(234) 17.96 ft on 05/17/2009
(235) 17.71 ft on 05/15/2001
(236) 17.69 ft on 03/23/1987
(237) 17.56 ft on 06/13/1985
(238) 17.55 ft on 06/08/2005
(239) 17.48 ft on 10/26/2018
(240) 17.36 ft on 07/09/2017
(241) 17.16 ft on 09/15/1986
(242) 17.09 ft on 11/03/2004
(243) 17.02 ft on 05/08/2008

(P): Preliminary values subject to further review.