Historic Crests
(1) 28.03 ft on 06/23/1974
(2) 26.18 ft on 04/19/2013
(3) 25.92 ft on 07/25/1993
(4) 25.28 ft on 05/16/2009
(5) 25.15 ft on 03/04/1985
(6) 25.01 ft on 05/16/1970
(7) 24.36 ft on 10/04/1986
(8) 24.21 ft on 05/28/1996
(9) 24.14 ft on 06/03/1980
(10) 23.73 ft on 07/22/1951
(11) 23.68 ft on 04/03/1983
(12) 23.49 ft on 05/30/2013
(13) 23.46 ft on 05/30/2019 (P)
(14) 23.39 ft on 12/03/1982
(15) 23.29 ft on 05/13/2002
(16) 23.02 ft on 03/11/2009
(17) 22.98 ft on 02/22/2014
(18) 22.87 ft on 07/19/1982
(19) 22.48 ft on 02/22/1997
(20) 22.48 ft on 03/20/1948
(21) 22.45 ft on 02/24/1985
(22) 22.17 ft on 07/10/1982
(23) 22.15 ft on 06/02/1970
(24) 22.12 ft on 05/14/2010
(25) 21.99 ft on 04/26/1976
(26) 21.93 ft on 06/22/1990
(27) 21.90 ft on 05/29/1995
(28) 21.75 ft on 04/25/1950
(29) 21.70 ft on 09/25/1961
(30) 21.60 ft on 09/24/1970
(31) 21.42 ft on 03/31/1960
(32) 21.21 ft on 01/28/1974
(33) 21.17 ft on 06/21/1964
(34) 21.13 ft on 05/03/2019 (P)
(35) 21.11 ft on 03/30/1979
(36) 21.07 ft on 07/18/1950
(37) 21.06 ft on 11/03/1977
(38) 21.00 ft on 02/10/2001
(39) 20.92 ft on 06/16/1945
(40) 20.68 ft on 06/19/1950
(41) 20.57 ft on 01/24/1965
(42) 20.46 ft on 04/17/1982
(43) 20.45 ft on 05/14/1978
(44) 20.34 ft on 01/23/1974
(45) 20.33 ft on 02/20/1955
(46) 20.30 ft on 03/21/1979
(47) 20.24 ft on 06/14/2002
(48) 20.18 ft on 01/07/1946
(49) 20.09 ft on 12/29/2015
(50) 19.93 ft on 02/21/1951
(51) 19.91 ft on 04/16/1993
(52) 19.82 ft on 06/23/2010
(53) 19.71 ft on 06/02/1954
(54) 19.70 ft on 04/13/1979
(55) 19.62 ft on 12/28/2008
(56) 19.59 ft on 03/20/1982
(57) 19.56 ft on 01/25/2010
(58) 19.56 ft on 05/27/2011
(59) 19.56 ft on 03/15/1944
(60) 19.55 ft on 07/02/1990
(61) 19.52 ft on 12/26/1982
(62) 19.51 ft on 03/06/1993
(63) 19.50 ft on 05/17/1945
(64) 19.50 ft on 01/26/1969
(65) 19.50 ft on 03/01/1950
(66) 19.43 ft on 03/13/1982
(67) 19.42 ft on 05/25/1995
(68) 19.40 ft on 05/14/1995
(69) 19.39 ft on 05/23/2019 (P)
(70) 19.35 ft on 06/13/1958
(71) 19.33 ft on 07/17/2015
(72) 19.31 ft on 03/17/1982
(73) 19.29 ft on 03/18/1998
(74) 19.22 ft on 06/02/1996
(75) 19.22 ft on 02/18/2008
(76) 19.21 ft on 05/08/1973
(77) 19.19 ft on 03/11/2019
(78) 19.14 ft on 03/25/1993
(79) 19.09 ft on 12/26/2009
(80) 19.04 ft on 05/01/2009
(81) 19.00 ft on 04/23/1944
(82) 18.93 ft on 02/25/2001
(83) 18.91 ft on 02/21/1949
(84) 18.90 ft on 03/13/1962
(85) 18.87 ft on 03/18/1965
(86) 18.86 ft on 03/05/1976
(87) 18.86 ft on 01/06/1955
(88) 18.85 ft on 06/12/2015
(89) 18.82 ft on 04/27/1979
(90) 18.82 ft on 02/10/1966
(91) 18.79 ft on 08/15/1981
(92) 18.79 ft on 02/19/2008
(93) 18.77 ft on 07/25/1967
(94) 18.73 ft on 03/22/1962
(95) 18.72 ft on 01/14/2005
(96) 18.72 ft on 04/25/1965
(97) 18.70 ft on 02/16/1949
(98) 18.69 ft on 06/15/1970
(99) 18.69 ft on 05/15/1999
(100) 18.68 ft on 07/09/1956
(101) 18.68 ft on 06/25/1981
(102) 18.65 ft on 02/11/1959
(103) 18.65 ft on 03/26/1954
(104) 18.51 ft on 05/11/1995
(105) 18.42 ft on 08/31/1965
(106) 18.40 ft on 04/22/1984
(107) 18.37 ft on 03/07/1973
(108) 18.34 ft on 08/11/1993
(109) 18.30 ft on 12/17/1992
(110) 18.27 ft on 05/10/1990
(111) 18.24 ft on 04/08/1965
(112) 18.23 ft on 01/24/1999
(113) 18.22 ft on 04/11/1978
(114) 18.12 ft on 12/30/1972
(115) 18.09 ft on 04/14/1981
(116) 18.08 ft on 06/16/2015
(117) 18.04 ft on 03/14/2010
(118) 18.03 ft on 05/26/1990
(119) 17.99 ft on 09/15/1970
(120) 17.98 ft on 03/17/1948
(121) 17.97 ft on 05/14/1966
(122) 17.95 ft on 03/02/2007
(123) 17.94 ft on 07/12/2015
(124) 17.94 ft on 04/17/1960
(125) 17.91 ft on 03/14/2013
(126) 17.90 ft on 05/27/1991
(127) 17.82 ft on 08/17/1993
(128) 17.81 ft on 02/08/1948
(129) 17.81 ft on 07/03/1958
(130) 17.78 ft on 06/15/2010
(131) 17.76 ft on 04/20/1970
(132) 17.75 ft on 02/27/1997
(133) 17.71 ft on 04/06/1947
(134) 17.71 ft on 07/19/1981
(135) 17.68 ft on 04/30/2017
(136) 17.67 ft on 04/14/1974
(137) 17.57 ft on 06/09/1984
(138) 17.50 ft on 09/02/1980
(139) 17.50 ft on 06/25/2000
(140) 17.45 ft on 06/16/1998
(141) 17.43 ft on 02/21/1994
(142) 17.42 ft on 04/30/1967
(143) 17.40 ft on 05/20/1974
(144) 17.30 ft on 03/30/1973
(145) 17.29 ft on 06/14/1981
(146) 17.27 ft on 06/06/2010
(147) 17.25 ft on 07/26/1948
(148) 17.25 ft on 06/06/2001
(149) 17.24 ft on 09/15/2008
(150) 17.24 ft on 08/06/1981
(151) 17.20 ft on 10/07/1959
(152) 17.17 ft on 02/24/2019
(153) 17.16 ft on 06/20/1973
(154) 17.15 ft on 06/20/2009
(155) 17.14 ft on 06/13/1946
(156) 17.12 ft on 04/23/2011
(157) 17.07 ft on 02/20/1986
(158) 17.06 ft on 06/07/1947
(159) 17.05 ft on 03/13/2014
(160) 17.05 ft on 01/20/1988
(161) 17.04 ft on 06/22/1952
(162) 17.03 ft on 09/11/2014
(163) 16.95 ft on 09/22/1965
(164) 16.94 ft on 09/14/1961
(165) 16.93 ft on 05/08/1978
(166) 16.90 ft on 02/04/1943
(167) 16.85 ft on 03/12/1974
(168) 16.84 ft on 06/09/1974
(169) 16.82 ft on 05/21/1943
(170) 16.79 ft on 01/04/1973
(171) 16.78 ft on 02/27/2009
(172) 16.77 ft on 02/21/2018
(173) 16.67 ft on 03/13/1990
(174) 16.63 ft on 07/04/1981
(175) 16.58 ft on 09/15/1993
(176) 16.58 ft on 04/19/1975
(177) 16.56 ft on 07/12/1951
(178) 16.52 ft on 07/01/1947
(179) 16.52 ft on 01/13/1966
(180) 16.51 ft on 05/18/1999
(181) 16.50 ft on 06/19/1946
(182) 16.50 ft on 08/09/1977
(183) 16.50 ft on 05/08/1945
(184) 16.41 ft on 06/16/1950
(185) 16.40 ft on 05/15/1981
(186) 16.34 ft on 05/04/2013
(187) 16.24 ft on 01/22/1957
(188) 16.22 ft on 04/12/1995
(189) 16.20 ft on 05/03/1944
(190) 16.19 ft on 09/24/1977
(191) 16.19 ft on 10/04/1973
(192) 16.17 ft on 03/11/1973
(193) 16.16 ft on 07/01/2014
(194) 16.13 ft on 07/05/1956
(195) 16.10 ft on 12/03/2018 (P)
(196) 16.09 ft on 06/25/2015
(197) 16.08 ft on 05/09/1998
(198) 16.06 ft on 06/27/2013
(199) 16.00 ft on 07/05/1943
(200) 15.98 ft on 04/20/2009
(201) 15.95 ft on 06/26/1968
(202) 15.90 ft on 02/18/2011
(203) 15.80 ft on 04/02/1967
(204) 15.78 ft on 06/15/1974
(205) 15.76 ft on 01/24/1950
(206) 15.68 ft on 09/19/1977
(207) 15.62 ft on 06/14/1952
(208) 15.58 ft on 02/25/1956
(209) 15.47 ft on 06/15/1980
(210) 15.47 ft on 02/06/2019
(211) 15.44 ft on 05/03/1979
(212) 15.43 ft on 05/21/2017
(213) 15.37 ft on 04/29/1981
(214) 15.33 ft on 07/05/1995
(215) 15.32 ft on 07/10/1978
(216) 15.31 ft on 03/04/2008
(217) 15.30 ft on 06/14/1957
(218) 15.30 ft on 05/11/1951
(219) 15.28 ft on 07/06/1953
(220) 15.27 ft on 03/09/1998
(221) 15.23 ft on 07/19/1972
(222) 15.22 ft on 06/18/1947
(223) 15.07 ft on 03/30/2009
(224) 15.05 ft on 06/27/1973
(225) 15.01 ft on 02/12/1998
(226) 15.00 ft on 03/08/1975
(227) 15.00 ft on 04/20/1993
(228) 14.97 ft on 06/15/1972
(229) 14.92 ft on 02/05/1986
(230) 14.90 ft on 02/05/1991
(231) 14.47 ft on 05/31/2004
(232) 14.08 ft on 06/20/2019 (P)
(233) 13.69 ft on 07/26/1992
(234) 13.48 ft on 03/30/2019 (P)
(235) 13.43 ft on 12/15/2011
(236) 13.27 ft on 09/08/2018 (P)
(237) 13.25 ft on 05/11/2003
(238) 11.85 ft on 09/07/1989
(239) 8.41 ft on 04/07/2006

(P): Preliminary values subject to further review.