Historic Crests
(1) 23.80 ft on 06/07/2008
(2) 23.65 ft on 04/19/2013
(3) 23.31 ft on 07/13/1979
(4) 23.28 ft on 09/02/2003
(5) 22.95 ft on 03/04/1963
(6) 22.50 ft on 06/28/1957
(7) 22.27 ft on 11/14/1993
(8) 22.15 ft on 12/30/1990
(9) 21.86 ft on 07/29/1979
(10) 21.82 ft on 03/14/1978
(11) 21.80 ft on 01/14/1950
(12) 21.71 ft on 01/21/1959
(13) 21.64 ft on 08/02/1979
(14) 21.56 ft on 05/08/1961
(15) 21.52 ft on 06/07/2008
(16) 21.51 ft on 07/20/1969
(17) 21.31 ft on 02/23/1975
(18) 21.21 ft on 06/23/1960
(19) 21.16 ft on 05/24/1968
(20) 21.11 ft on 01/13/2013
(21) 21.00 ft on 04/25/1961
(22) 20.94 ft on 04/20/1964
(23) 20.81 ft on 11/02/1972
(24) 20.79 ft on 04/03/2018 (P)
(25) 20.78 ft on 06/22/2010
(26) 20.75 ft on 04/20/2011
(27) 20.64 ft on 06/04/2008
(28) 20.64 ft on 03/04/1979
(29) 20.61 ft on 12/11/1985
(30) 20.56 ft on 01/30/1969
(31) 20.55 ft on 09/14/1989
(32) 20.53 ft on 02/28/2011
(33) 20.51 ft on 11/19/1985
(34) 20.47 ft on 07/14/1962
(35) 20.45 ft on 07/11/2017 (P)
(36) 20.43 ft on 03/11/1990
(37) 20.32 ft on 07/12/2015
(38) 20.21 ft on 02/04/1971
(39) 20.09 ft on 02/22/1971
(40) 20.01 ft on 02/23/1979
(41) 19.96 ft on 02/10/1959
(42) 19.96 ft on 04/04/1968
(43) 19.96 ft on 11/14/1972
(44) 19.93 ft on 10/04/1986
(45) 19.92 ft on 03/31/1985
(46) 19.82 ft on 02/12/2009
(47) 19.78 ft on 05/27/1981
(48) 19.63 ft on 05/04/2017 (P)
(49) 19.61 ft on 12/20/1957
(50) 19.59 ft on 06/23/1974
(51) 19.58 ft on 03/13/1961
(52) 19.58 ft on 04/24/1970
(53) 19.58 ft on 12/14/1977
(54) 19.35 ft on 02/27/1997
(55) 19.33 ft on 07/07/2015
(56) 19.32 ft on 12/08/1966
(57) 19.32 ft on 03/05/2011
(58) 19.28 ft on 03/29/1975
(59) 19.17 ft on 03/21/1962
(60) 19.16 ft on 02/22/1985
(61) 19.11 ft on 04/24/1975
(62) 19.10 ft on 12/25/1973
(63) 19.06 ft on 11/19/1969
(64) 19.06 ft on 10/01/1977
(65) 19.05 ft on 01/30/1968
(66) 19.04 ft on 02/15/1990
(67) 19.03 ft on 05/16/1990
(68) 18.95 ft on 11/26/1979
(69) 18.90 ft on 03/09/1964
(70) 18.81 ft on 12/26/1973
(71) 18.78 ft on 01/26/1962
(72) 18.75 ft on 02/27/1977
(73) 18.69 ft on 03/16/1984
(74) 18.61 ft on 01/29/1970
(75) 18.60 ft on 02/10/1965
(76) 18.60 ft on 10/01/1986
(77) 18.59 ft on 12/28/1968
(78) 18.58 ft on 05/01/1986
(79) 18.55 ft on 04/12/1979
(80) 18.55 ft on 12/22/2013
(81) 18.46 ft on 01/10/1975
(82) 18.42 ft on 12/27/2015 (P)
(83) 18.40 ft on 01/30/1982
(84) 18.38 ft on 04/22/1972
(85) 18.37 ft on 05/25/1981
(86) 18.34 ft on 12/15/1971
(87) 18.34 ft on 04/07/1988
(88) 18.30 ft on 11/12/1992
(89) 18.29 ft on 02/19/1971
(90) 18.28 ft on 05/18/1981
(91) 18.24 ft on 08/28/1978
(92) 18.21 ft on 01/15/2007
(93) 18.21 ft on 12/01/2006
(94) 18.20 ft on 12/25/1982
(95) 18.13 ft on 12/22/1967
(96) 18.01 ft on 04/25/1975
(97) 17.99 ft on 03/19/1986
(98) 17.85 ft on 05/22/1974
(99) 17.82 ft on 01/16/1969
(100) 17.77 ft on 01/11/2020
(101) 17.75 ft on 03/02/1972
(102) 17.68 ft on 02/08/2019
(103) 17.67 ft on 05/26/1989
(104) 17.66 ft on 04/17/1992
(105) 17.65 ft on 04/07/1972
(106) 17.64 ft on 01/05/1993
(107) 17.49 ft on 02/02/1968
(108) 17.45 ft on 06/16/2019
(109) 17.38 ft on 02/20/1982
(110) 17.37 ft on 01/29/1969
(111) 17.33 ft on 06/07/1961
(112) 17.24 ft on 07/21/1973
(113) 17.24 ft on 04/29/1996
(114) 17.21 ft on 01/19/1974
(115) 17.21 ft on 08/19/1980
(116) 17.20 ft on 04/03/2014
(117) 17.10 ft on 06/17/1973
(118) 17.00 ft on 09/09/1989
(119) 16.97 ft on 04/22/1984
(120) 16.96 ft on 05/17/1974
(121) 16.94 ft on 04/22/1961
(122) 16.87 ft on 12/10/1966
(123) 16.80 ft on 02/10/1960
(124) 16.76 ft on 03/21/1978
(125) 16.75 ft on 02/06/2008
(126) 16.68 ft on 02/11/1976
(127) 16.60 ft on 01/01/1979
(128) 16.60 ft on 01/04/1982
(129) 16.55 ft on 07/27/1981
(130) 16.53 ft on 11/27/1985
(131) 16.48 ft on 01/25/1976
(132) 16.46 ft on 06/15/1972
(133) 16.45 ft on 08/21/1979
(134) 16.44 ft on 06/16/2004
(135) 16.38 ft on 06/08/1974
(136) 16.36 ft on 05/18/1974
(137) 16.33 ft on 06/26/1978
(138) 16.23 ft on 02/17/1976
(139) 16.17 ft on 01/23/1982
(140) 16.17 ft on 05/27/1996
(141) 16.14 ft on 02/26/1962
(142) 16.14 ft on 03/04/1976
(143) 16.12 ft on 01/22/1997
(144) 16.11 ft on 03/30/1980
(145) 16.08 ft on 02/17/1971
(146) 16.03 ft on 04/04/1989
(147) 16.02 ft on 04/18/1969
(148) 16.00 ft on 03/14/1997
(149) 15.97 ft on 07/24/1973
(150) 15.94 ft on 01/28/1994
(151) 15.93 ft on 04/20/1970
(152) 15.93 ft on 10/11/1959
(153) 15.81 ft on 09/04/1962
(154) 15.81 ft on 02/08/1969
(155) 15.70 ft on 06/23/2017 (P)
(156) 15.67 ft on 04/28/1959
(157) 15.66 ft on 04/23/1996
(158) 15.65 ft on 05/07/1967
(159) 15.62 ft on 04/05/1985
(160) 15.48 ft on 02/25/2018 (P)
(161) 15.43 ft on 07/01/1987
(162) 15.33 ft on 11/30/1975
(163) 15.30 ft on 12/24/1996
(164) 15.25 ft on 03/04/1993
(165) 15.15 ft on 08/04/2009
(166) 15.11 ft on 03/13/1991
(167) 15.08 ft on 11/28/1985
(168) 15.08 ft on 05/04/1996
(169) 15.00 ft on 03/22/1991
(170) 14.99 ft on 03/18/2021
(171) 14.95 ft on 12/07/1966
(172) 14.76 ft on 04/03/1964
(173) 14.76 ft on 02/02/1988
(174) 14.73 ft on 05/13/1990
(175) 14.67 ft on 05/09/1996
(176) 14.62 ft on 01/20/2017 (P)
(177) 14.60 ft on 09/01/1989
(178) 14.35 ft on 03/08/1995
(179) 14.18 ft on 02/10/1966
(180) 13.87 ft on 07/31/1992
(181) 13.59 ft on 09/09/2018
(182) 13.32 ft on 09/03/1993
(183) 13.25 ft on 06/16/2016 (P)
(184) 13.15 ft on 05/07/1998
(185) 12.30 ft on 02/04/1997
(186) 12.05 ft on 04/10/1998
(187) 11.90 ft on 01/19/1996
(188) 11.67 ft on 01/18/1996
(189) 11.40 ft on 04/16/1998

(P): Preliminary values subject to further review.