Historic Crests
(1) 28.98 ft on 10/11/1973
(2) 27.64 ft on 08/05/1995
(3) 27.61 ft on 10/03/1986
(4) 26.80 ft on 06/10/1923
(5) 26.67 ft on 05/22/2019
(6) 26.29 ft on 11/02/1998
(7) 26.28 ft on 08/04/1995
(8) 25.60 ft on 09/15/2008
(9) 25.51 ft on 05/11/1993
(10) 25.12 ft on 05/28/1987
(11) 24.85 ft on 05/27/2019
(12) 24.40 ft on 05/10/1993
(13) 24.07 ft on 04/27/2009
(14) 24.00 ft on 05/02/2012
(15) 23.48 ft on 10/05/1959
(16) 23.30 ft on 06/30/2007
(17) 23.06 ft on 11/05/1974
(18) 23.00 ft on 06/01/1935
(19) 22.82 ft on 05/20/1938
(20) 22.53 ft on 09/30/1986
(21) 22.24 ft on 06/07/2019
(22) 22.21 ft on 10/07/2016
(23) 22.10 ft on 11/02/1961
(24) 22.04 ft on 06/25/1999
(25) 22.03 ft on 03/11/1973
(26) 21.94 ft on 05/24/1938
(27) 21.85 ft on 05/09/2019
(28) 21.82 ft on 05/25/2015
(29) 21.81 ft on 06/11/1995
(30) 21.69 ft on 11/18/1964
(31) 21.65 ft on 05/03/1993
(32) 21.43 ft on 09/29/1987
(33) 21.43 ft on 03/18/1998
(34) 21.17 ft on 09/13/1961
(35) 21.14 ft on 06/25/1957
(36) 21.10 ft on 06/10/1995
(37) 21.03 ft on 03/25/2000
(38) 20.93 ft on 04/27/1999
(39) 20.84 ft on 06/07/2008
(40) 20.82 ft on 05/17/1957
(41) 20.68 ft on 06/10/2008
(42) 20.58 ft on 08/06/1992
(43) 20.55 ft on 09/24/1997
(44) 20.30 ft on 04/21/1970
(45) 20.14 ft on 07/02/1951
(46) 20.07 ft on 10/05/1998
(47) 20.06 ft on 04/16/1945
(48) 20.05 ft on 11/15/1985
(49) 20.03 ft on 10/02/1998
(50) 19.99 ft on 10/10/2018
(51) 19.95 ft on 04/16/1999
(52) 19.89 ft on 10/21/1979
(53) 19.75 ft on 01/31/1999
(54) 19.72 ft on 03/01/1987
(55) 19.70 ft on 05/25/1957
(56) 19.69 ft on 06/20/1999
(57) 19.58 ft on 03/04/1988
(58) 19.57 ft on 04/13/1997
(59) 19.57 ft on 09/27/1996
(60) 19.55 ft on 05/18/1982
(61) 19.51 ft on 06/09/1975
(62) 19.49 ft on 03/24/1987
(63) 19.49 ft on 06/06/1995
(64) 19.46 ft on 04/02/1988
(65) 19.44 ft on 03/05/2004
(66) 19.35 ft on 07/04/1951
(67) 19.33 ft on 05/21/1949
(68) 19.30 ft on 04/12/1997
(69) 19.29 ft on 05/19/1993
(70) 19.27 ft on 03/18/2000
(71) 19.26 ft on 04/23/1944
(72) 19.25 ft on 03/24/1984
(73) 19.17 ft on 07/03/1957
(74) 19.07 ft on 05/20/2010
(75) 19.04 ft on 06/15/2010
(76) 19.02 ft on 05/09/1997
(77) 18.84 ft on 11/21/1994
(78) 18.74 ft on 10/05/2002
(79) 18.71 ft on 05/22/1951
(80) 18.69 ft on 07/02/1999
(81) 18.56 ft on 05/02/2009
(82) 18.53 ft on 04/14/1947
(83) 18.51 ft on 07/11/1999
(84) 18.49 ft on 07/05/1987
(85) 18.47 ft on 07/21/1997
(86) 18.35 ft on 05/16/1947
(87) 18.27 ft on 05/18/1999
(88) 18.14 ft on 02/22/1997
(89) 18.05 ft on 12/05/1944
(90) 18.04 ft on 04/25/2004
(91) 18.03 ft on 11/17/1996
(92) 17.90 ft on 05/09/1961
(93) 17.86 ft on 05/20/1943
(94) 17.76 ft on 08/12/1992
(95) 17.70 ft on 04/26/1942
(96) 17.66 ft on 09/19/2002
(97) 17.64 ft on 03/27/1983
(98) 17.54 ft on 03/18/1987
(99) 17.54 ft on 07/31/2020
(100) 17.51 ft on 10/03/1955
(101) 17.43 ft on 06/26/1951
(102) 17.41 ft on 06/01/1938
(103) 17.39 ft on 10/26/1964
(104) 17.36 ft on 05/19/1951
(105) 17.35 ft on 09/30/1945
(106) 17.22 ft on 08/15/1948
(107) 17.18 ft on 04/09/1984
(108) 17.15 ft on 05/27/1998
(109) 17.10 ft on 06/12/1989
(110) 17.09 ft on 02/13/1949
(111) 17.01 ft on 08/18/2009
(112) 17.00 ft on 03/31/2007
(113) 16.98 ft on 05/22/1961
(114) 16.97 ft on 07/01/1997
(115) 16.96 ft on 05/27/2010
(116) 16.95 ft on 03/17/1999
(117) 16.90 ft on 04/23/1957
(118) 16.90 ft on 11/06/1986
(119) 16.85 ft on 05/29/1949
(120) 16.79 ft on 02/16/1987
(121) 16.77 ft on 07/16/1993
(122) 16.76 ft on 09/09/1937
(123) 16.73 ft on 05/16/1969
(124) 16.72 ft on 11/10/1998
(125) 16.69 ft on 06/22/1942
(126) 16.68 ft on 08/27/1960
(127) 16.65 ft on 09/26/1959
(128) 16.62 ft on 06/10/1937
(129) 16.61 ft on 03/20/2003
(130) 16.60 ft on 03/31/1949
(131) 16.58 ft on 05/10/1948
(132) 16.50 ft on 06/14/1999
(133) 16.35 ft on 10/16/1985
(134) 16.32 ft on 05/27/2008
(135) 16.31 ft on 04/06/1983
(136) 16.29 ft on 09/06/1949
(137) 16.27 ft on 08/17/1938
(138) 16.17 ft on 01/05/2005
(139) 16.10 ft on 06/19/1955
(140) 16.08 ft on 04/06/1939
(141) 16.06 ft on 10/27/1941
(142) 16.06 ft on 06/15/2019
(143) 16.02 ft on 08/19/1968
(144) 16.00 ft on 04/30/1994
(145) 15.99 ft on 02/25/2001
(146) 15.98 ft on 06/11/1999
(147) 15.92 ft on 10/18/2007
(148) 15.83 ft on 06/18/2019
(149) 15.73 ft on 12/20/2011
(150) 15.72 ft on 05/07/2019
(151) 15.68 ft on 07/07/2015
(152) 15.58 ft on 06/10/1941
(153) 15.53 ft on 06/06/1936
(154) 15.24 ft on 06/23/1999
(155) 15.03 ft on 10/15/2008
(156) 14.96 ft on 06/30/1999
(157) 14.81 ft on 12/06/1998
(158) 14.78 ft on 04/23/1999
(159) 14.73 ft on 03/23/1979
(160) 14.71 ft on 07/30/1950
(161) 14.60 ft on 07/11/1904
(162) 14.52 ft on 05/04/2017
(163) 14.51 ft on 02/23/1985
(164) 14.50 ft on 05/23/1977
(165) 14.22 ft on 05/01/2019
(166) 14.17 ft on 03/15/1990
(167) 14.15 ft on 06/30/1981
(168) 14.11 ft on 03/13/1999
(169) 10.47 ft on 04/29/2006
(170) 8.22 ft on 08/11/2013
(171) 7.41 ft on 05/21/2011

(P): Preliminary values subject to further review.