Historic Crests
(1) 33.30 ft on 09/22/1945
(2) 31.83 ft on 09/21/2018
(3) 31.60 ft on 09/23/1928
(4) 29.48 ft on 04/16/2003
(5) 29.20 ft on 10/07/1929
(6) 29.11 ft on 02/12/2020
(7) 29.06 ft on 03/07/1987
(8) 29.05 ft on 03/02/1979
(9) 29.00 ft on 04/11/1936
(10) 27.89 ft on 05/27/2020
(11) 27.85 ft on 11/18/2020
(12) 27.81 ft on 03/20/1975
(13) 27.80 ft on 03/27/2003
(14) 27.16 ft on 11/20/2018
(15) 26.97 ft on 04/06/1973
(16) 26.82 ft on 01/05/2016
(17) 26.73 ft on 10/30/1990
(18) 26.61 ft on 12/29/2015
(19) 26.58 ft on 02/01/1978
(20) 26.53 ft on 02/11/2010
(21) 26.53 ft on 10/09/1989
(22) 26.41 ft on 02/21/2021
(23) 26.28 ft on 04/10/1960
(24) 26.23 ft on 02/19/1948
(25) 26.09 ft on 04/01/1993
(26) 26.01 ft on 10/23/1964
(27) 25.95 ft on 03/10/1952
(28) 25.76 ft on 01/29/1954
(29) 25.75 ft on 03/01/2019
(30) 25.61 ft on 03/06/1939
(31) 25.60 ft on 12/26/2018
(32) 25.54 ft on 03/25/1998
(33) 25.40 ft on 02/24/1995
(34) 25.34 ft on 02/03/1998
(35) 25.31 ft on 02/01/2010
(36) 25.28 ft on 03/10/1966
(37) 25.21 ft on 10/18/2018
(38) 24.86 ft on 09/15/2004
(39) 24.72 ft on 11/28/2006
(40) 24.65 ft on 03/25/1983
(41) 24.58 ft on 12/01/1957
(42) 24.54 ft on 03/20/1963
(43) 24.45 ft on 03/31/1989
(44) 24.45 ft on 12/21/2018
(45) 24.40 ft on 10/19/1990
(46) 24.31 ft on 03/26/1944
(47) 24.22 ft on 02/23/1998
(48) 24.13 ft on 05/05/1958
(49) 24.12 ft on 12/05/1948
(50) 24.11 ft on 04/03/1980
(51) 24.06 ft on 01/04/2019
(52) 24.03 ft on 05/06/1997
(53) 24.00 ft on 11/16/2015
(54) 23.98 ft on 03/10/1971
(55) 23.95 ft on 04/30/1992
(56) 23.95 ft on 04/14/1964
(57) 23.90 ft on 03/14/2014
(58) 23.89 ft on 06/29/1972
(59) 23.86 ft on 03/03/1961
(60) 23.77 ft on 10/05/2004
(61) 23.77 ft on 02/25/1990
(62) 23.76 ft on 01/04/1946
(63) 23.69 ft on 01/24/1998
(64) 23.64 ft on 10/20/1959
(65) 23.64 ft on 05/02/2017
(66) 23.61 ft on 04/06/1991
(67) 23.57 ft on 11/25/2015
(68) 23.54 ft on 01/09/2019
(69) 23.54 ft on 02/28/1953
(70) 23.46 ft on 05/08/1949
(71) 23.45 ft on 01/18/2014
(72) 23.44 ft on 07/31/1997
(73) 23.28 ft on 03/15/1998
(74) 23.14 ft on 10/13/2016
(75) 23.10 ft on 04/26/1998
(76) 23.04 ft on 03/25/1965
(77) 23.04 ft on 01/14/1998
(78) 23.02 ft on 03/09/2007
(79) 23.00 ft on 11/09/2015
(80) 23.00 ft on 01/19/1968
(81) 22.98 ft on 01/14/1962
(82) 22.97 ft on 03/09/1994
(83) 22.95 ft on 05/31/2003
(84) 22.95 ft on 03/09/1989
(85) 22.90 ft on 03/12/2003
(86) 22.86 ft on 12/16/2018
(87) 22.81 ft on 10/09/2015
(88) 22.80 ft on 04/23/1987
(89) 22.80 ft on 04/06/1984
(90) 22.79 ft on 06/14/2013
(91) 22.78 ft on 07/12/2013
(92) 22.77 ft on 02/08/1996
(93) 22.75 ft on 01/09/1982
(94) 22.66 ft on 07/10/2013
(95) 22.60 ft on 01/27/1987
(96) 22.56 ft on 12/20/1976
(97) 22.53 ft on 05/02/1987
(98) 22.51 ft on 04/06/1977
(99) 22.48 ft on 01/01/2010
(100) 22.45 ft on 04/12/1974
(101) 22.44 ft on 01/30/2019
(102) 22.44 ft on 04/24/2014
(103) 22.44 ft on 04/21/1955
(104) 22.44 ft on 02/20/1997
(105) 22.38 ft on 04/19/2019
(106) 22.35 ft on 08/22/1940
(107) 22.31 ft on 02/03/1943
(108) 22.26 ft on 03/15/1942
(109) 22.20 ft on 03/06/2003
(110) 22.18 ft on 01/13/2007
(111) 22.16 ft on 01/26/1947
(112) 22.15 ft on 05/14/1989
(113) 21.99 ft on 12/07/1985
(114) 21.92 ft on 02/27/1969
(115) 21.91 ft on 01/19/2020
(116) 21.83 ft on 03/07/2009
(117) 21.82 ft on 02/05/2021
(118) 21.74 ft on 08/29/1985
(119) 21.74 ft on 11/17/1995
(120) 21.69 ft on 08/19/1970
(121) 21.66 ft on 04/26/2015
(122) 21.58 ft on 04/13/1957
(123) 21.57 ft on 01/03/2014
(124) 21.57 ft on 10/17/2020
(125) 21.51 ft on 03/06/1995
(126) 21.50 ft on 04/04/2005
(127) 21.48 ft on 01/29/1999
(128) 21.44 ft on 08/15/2003
(129) 21.44 ft on 04/26/1959
(130) 21.41 ft on 02/16/1990
(131) 21.38 ft on 05/30/2017
(132) 21.37 ft on 06/04/1990
(133) 21.37 ft on 12/21/2020
(134) 21.31 ft on 12/18/1989
(135) 21.22 ft on 11/07/1949
(136) 21.20 ft on 12/29/2013
(137) 21.18 ft on 11/18/2009
(138) 21.17 ft on 01/17/2019
(139) 21.12 ft on 01/24/2013
(140) 21.11 ft on 02/05/2000
(141) 21.08 ft on 10/10/1995
(142) 21.08 ft on 01/31/1996
(143) 21.04 ft on 08/02/2013
(144) 20.95 ft on 02/24/2014
(145) 20.89 ft on 01/24/2019
(146) 20.88 ft on 04/14/1998
(147) 20.84 ft on 04/29/1967
(148) 20.84 ft on 08/29/1967
(149) 20.82 ft on 12/19/2019
(150) 20.81 ft on 01/29/2020
(151) 20.80 ft on 07/07/2003
(152) 20.75 ft on 02/28/1989
(153) 20.69 ft on 10/31/2018
(154) 20.69 ft on 05/05/2020
(155) 20.68 ft on 12/27/1994
(156) 20.67 ft on 09/02/1995
(157) 20.67 ft on 03/07/1990
(158) 20.64 ft on 12/14/2009
(159) 20.60 ft on 12/30/2006
(160) 20.58 ft on 05/14/1998
(161) 20.57 ft on 05/11/2003
(162) 20.56 ft on 12/05/2020
(163) 20.49 ft on 06/26/1976
(164) 20.46 ft on 03/22/1956
(165) 20.44 ft on 01/28/2017
(166) 20.40 ft on 03/30/2020
(167) 20.39 ft on 12/27/2019
(168) 20.36 ft on 04/14/1951
(169) 20.34 ft on 12/30/2002
(170) 20.30 ft on 06/10/2009
(171) 20.30 ft on 01/07/2007
(172) 20.25 ft on 01/08/2020
(173) 20.20 ft on 08/20/2020
(174) 20.18 ft on 02/18/2000
(175) 20.17 ft on 03/05/1997
(176) 20.17 ft on 04/05/1990
(177) 20.14 ft on 12/18/2002
(178) 20.10 ft on 09/10/1996
(179) 20.08 ft on 03/11/1996
(180) 20.05 ft on 11/04/2020
(181) 20.02 ft on 05/20/2012
(182) 20.02 ft on 04/18/2005
(183) 20.01 ft on 04/20/2007
(184) 19.98 ft on 12/29/1997
(185) 19.85 ft on 04/03/2010
(186) 19.80 ft on 09/08/1998
(187) 19.75 ft on 11/21/2006
(188) 19.73 ft on 11/21/2002
(189) 19.70 ft on 01/12/2009
(190) 19.63 ft on 04/10/2008
(191) 19.61 ft on 01/30/1990
(192) 19.59 ft on 01/13/1990
(193) 19.49 ft on 05/03/2013
(194) 19.48 ft on 12/20/2005
(195) 19.48 ft on 01/24/1988
(196) 19.44 ft on 04/04/1987
(197) 19.43 ft on 01/18/2005
(198) 19.40 ft on 12/16/2008
(199) 19.40 ft on 10/12/1996
(200) 19.40 ft on 04/03/2001
(201) 19.36 ft on 08/24/2013
(202) 19.36 ft on 01/22/2010
(203) 19.35 ft on 02/01/1995
(204) 19.33 ft on 10/03/1999
(205) 19.32 ft on 04/09/1941
(206) 19.31 ft on 03/03/2013
(207) 19.30 ft on 12/27/2014
(208) 19.29 ft on 09/29/2020
(209) 19.27 ft on 05/04/1999
(210) 19.27 ft on 04/13/1989
(211) 19.23 ft on 03/17/2010
(212) 19.20 ft on 02/15/2018
(213) 19.19 ft on 05/19/1950
(214) 19.19 ft on 06/17/2006
(215) 19.15 ft on 03/03/2015
(216) 19.11 ft on 01/16/2015
(217) 19.09 ft on 04/11/2014
(218) 19.06 ft on 02/18/2007
(219) 19.06 ft on 09/16/1987
(220) 19.05 ft on 03/18/1997
(221) 19.02 ft on 12/07/2009
(222) 18.91 ft on 08/24/2020
(223) 18.83 ft on 05/07/2016
(224) 18.80 ft on 06/01/2009
(225) 18.71 ft on 08/23/1986
(226) 18.70 ft on 08/31/2008
(227) 18.65 ft on 02/14/1981
(228) 18.60 ft on 04/01/2009
(229) 18.57 ft on 03/09/2020
(230) 18.43 ft on 10/03/2010
(231) 18.18 ft on 06/08/2017
(232) 17.73 ft on 03/13/2011
(233) 17.28 ft on 01/26/2002

(P): Preliminary values subject to further review.