Historic Crests
(1) 27.79 ft on 02/18/1948
(2) 27.30 ft on 01/26/1979
(3) 27.14 ft on 05/06/1991
(4) 27.00 ft on 12/28/1982
(5) 26.56 ft on 02/25/2019
(6) 26.50 ft on 03/19/1973
(7) 26.50 ft on 01/01/1983
(8) 26.30 ft on 05/09/1973
(9) 26.20 ft on 02/24/1991
(10) 26.10 ft on 03/04/1991
(11) 26.00 ft on 04/30/1991
(12) 26.00 ft on 01/26/1974
(13) 26.00 ft on 12/06/1983
(14) 25.90 ft on 02/04/1974
(15) 25.70 ft on 02/20/1983
(16) 25.70 ft on 06/02/1991
(17) 25.60 ft on 04/15/1980
(18) 25.40 ft on 03/30/1980
(19) 25.40 ft on 04/01/1973
(20) 25.10 ft on 05/22/1953
(21) 25.10 ft on 02/27/1953
(22) 25.10 ft on 05/27/1983
(23) 25.10 ft on 01/27/2002
(24) 25.00 ft on 03/28/1953
(25) 24.91 ft on 12/16/2001
(26) 24.90 ft on 01/03/1984
(27) 24.80 ft on 03/16/1989
(28) 24.80 ft on 04/14/1979
(29) 24.80 ft on 03/01/1989
(30) 24.80 ft on 03/08/1983
(31) 24.75 ft on 03/16/1990
(32) 24.70 ft on 03/31/1975
(33) 24.70 ft on 02/11/1990
(34) 24.70 ft on 02/14/1984
(35) 24.70 ft on 06/01/1983
(36) 24.60 ft on 05/01/1980
(37) 24.40 ft on 04/01/1975
(38) 24.40 ft on 05/05/1958
(39) 24.34 ft on 03/04/1997
(40) 24.30 ft on 02/28/1989
(41) 24.30 ft on 01/15/1989
(42) 24.30 ft on 03/09/1984
(43) 24.20 ft on 11/18/1957
(44) 24.20 ft on 09/21/1958
(45) 24.20 ft on 03/31/1961
(46) 24.10 ft on 02/01/2002
(47) 24.10 ft on 03/21/1955
(48) 24.00 ft on 01/12/1968
(49) 24.00 ft on 03/01/1974
(50) 24.00 ft on 01/29/1962
(51) 23.90 ft on 12/01/2001
(52) 23.90 ft on 04/01/1961
(53) 23.90 ft on 06/01/1973
(54) 23.83 ft on 04/01/2002
(55) 23.81 ft on 02/13/1994
(56) 23.80 ft on 12/19/1961
(57) 23.80 ft on 12/14/1991
(58) 23.80 ft on 06/17/1989
(59) 23.76 ft on 02/06/2010
(60) 23.70 ft on 02/20/1961
(61) 23.70 ft on 11/26/1986
(62) 23.70 ft on 03/18/1987
(63) 23.67 ft on 12/02/2001
(64) 23.60 ft on 04/01/1953
(65) 23.60 ft on 04/15/1955
(66) 23.60 ft on 02/01/1962
(67) 23.60 ft on 03/12/1962
(68) 23.60 ft on 04/28/1964
(69) 23.60 ft on 01/08/1973
(70) 23.60 ft on 02/19/1975
(71) 23.60 ft on 04/01/1990
(72) 23.50 ft on 04/05/2000
(73) 23.50 ft on 03/11/1994
(74) 23.40 ft on 04/04/1984
(75) 23.40 ft on 03/31/2002
(76) 23.40 ft on 05/09/1978
(77) 23.39 ft on 03/13/2016
(78) 23.30 ft on 04/12/1962
(79) 23.30 ft on 02/16/1973
(80) 23.30 ft on 05/31/1962
(81) 23.22 ft on 02/28/2003
(82) 23.20 ft on 12/26/1973
(83) 23.20 ft on 12/24/1990
(84) 23.16 ft on 06/27/2004
(85) 23.10 ft on 06/01/1953
(86) 23.10 ft on 11/13/1961
(87) 23.10 ft on 06/19/1974
(88) 23.04 ft on 01/12/2013
(89) 23.00 ft on 11/23/1977
(90) 23.00 ft on 02/11/1985
(91) 23.00 ft on 02/28/1997
(92) 23.00 ft on 11/30/2001
(93) 22.97 ft on 04/02/2016
(94) 22.94 ft on 03/09/1995
(95) 22.90 ft on 04/22/1982
(96) 22.90 ft on 05/05/1979
(97) 22.90 ft on 01/19/1987
(98) 22.90 ft on 03/09/1998
(99) 22.80 ft on 02/10/1980
(100) 22.80 ft on 02/01/1957
(101) 22.80 ft on 02/10/1966
(102) 22.80 ft on 03/05/1979
(103) 22.78 ft on 02/28/2009
(104) 22.77 ft on 10/14/2009
(105) 22.76 ft on 06/10/2016
(106) 22.70 ft on 12/01/1977
(107) 22.70 ft on 06/07/1979
(108) 22.70 ft on 01/31/1999
(109) 22.70 ft on 03/01/2001
(110) 22.65 ft on 06/29/2004
(111) 22.64 ft on 02/05/2004
(112) 22.61 ft on 12/07/2004
(113) 22.60 ft on 01/24/1980
(114) 22.60 ft on 04/24/1996
(115) 22.60 ft on 11/29/1982
(116) 22.60 ft on 02/12/1959
(117) 22.60 ft on 04/02/1974
(118) 22.60 ft on 12/26/1979
(119) 22.60 ft on 02/28/2001
(120) 22.60 ft on 01/24/1997
(121) 22.59 ft on 02/16/2004
(122) 22.50 ft on 12/31/1986
(123) 22.50 ft on 03/16/1964
(124) 22.50 ft on 03/02/1960
(125) 22.50 ft on 01/03/1982
(126) 22.50 ft on 02/28/1987
(127) 22.50 ft on 01/21/1990
(128) 22.50 ft on 01/11/1991
(129) 22.50 ft on 01/01/1992
(130) 22.50 ft on 01/24/1998
(131) 22.50 ft on 02/01/1999
(132) 22.48 ft on 01/15/1992
(133) 22.40 ft on 04/20/1970
(134) 22.40 ft on 01/04/1972
(135) 22.40 ft on 11/26/1979
(136) 22.40 ft on 01/21/2001
(137) 22.39 ft on 12/08/2004
(138) 22.38 ft on 10/11/2002
(139) 22.35 ft on 12/25/2002
(140) 22.30 ft on 06/25/1980
(141) 22.30 ft on 12/18/1959
(142) 22.30 ft on 03/06/1977
(143) 22.30 ft on 04/23/1995
(144) 22.30 ft on 04/07/2003
(145) 22.21 ft on 02/06/2004
(146) 22.20 ft on 11/23/1983
(147) 22.20 ft on 12/31/1969
(148) 22.16 ft on 11/05/2002
(149) 22.15 ft on 05/06/2009
(150) 22.10 ft on 05/03/1997
(151) 22.10 ft on 07/16/1989
(152) 22.10 ft on 05/27/1974
(153) 22.10 ft on 03/31/1965
(154) 22.10 ft on 02/10/1982
(155) 22.04 ft on 02/11/2006
(156) 22.00 ft on 04/10/1968
(157) 22.00 ft on 02/22/1971
(158) 22.00 ft on 01/22/1975
(159) 22.00 ft on 05/16/1975
(160) 22.00 ft on 04/05/1977
(161) 21.99 ft on 01/29/2006
(162) 21.97 ft on 03/17/2002
(163) 21.96 ft on 05/12/2009
(164) 21.95 ft on 01/07/2009
(165) 21.94 ft on 03/06/2004
(166) 21.92 ft on 04/11/2013
(167) 21.90 ft on 01/03/1976
(168) 21.90 ft on 02/04/1956
(169) 21.90 ft on 12/01/1957
(170) 21.90 ft on 03/10/1976
(171) 21.90 ft on 01/05/1985
(172) 21.90 ft on 03/03/1985
(173) 21.90 ft on 11/06/2002
(174) 21.86 ft on 12/26/2009
(175) 21.85 ft on 01/06/2007
(176) 21.80 ft on 05/18/1968
(177) 21.80 ft on 05/04/1964
(178) 21.80 ft on 04/30/1958
(179) 21.80 ft on 04/01/1993
(180) 21.80 ft on 02/02/1969
(181) 21.80 ft on 03/20/1970
(182) 21.80 ft on 04/05/1989
(183) 21.80 ft on 05/10/1989
(184) 21.80 ft on 12/31/1989
(185) 21.80 ft on 02/28/1998
(186) 21.78 ft on 03/15/2015
(187) 21.70 ft on 12/10/2008
(188) 21.70 ft on 02/06/1976
(189) 21.70 ft on 02/12/1965
(190) 21.68 ft on 09/26/2002
(191) 21.65 ft on 04/05/2008
(192) 21.64 ft on 01/09/2005
(193) 21.60 ft on 04/06/1956
(194) 21.60 ft on 01/01/1970
(195) 21.60 ft on 02/26/1979
(196) 21.59 ft on 03/24/2013
(197) 21.58 ft on 11/24/2004
(198) 21.56 ft on 02/04/2006
(199) 21.56 ft on 12/04/2005
(200) 21.50 ft on 09/28/2002
(201) 21.50 ft on 02/17/1995
(202) 21.50 ft on 07/14/1994
(203) 21.50 ft on 01/25/1978
(204) 21.50 ft on 06/11/1975
(205) 21.50 ft on 03/13/1968
(206) 21.48 ft on 01/08/2005
(207) 21.42 ft on 12/29/2008
(208) 21.40 ft on 03/04/1999
(209) 21.40 ft on 01/28/1994
(210) 21.40 ft on 12/29/1984
(211) 21.40 ft on 12/31/1974
(212) 21.40 ft on 12/11/1972
(213) 21.40 ft on 12/18/1967
(214) 21.40 ft on 02/06/1960
(215) 21.40 ft on 01/30/1960
(216) 21.36 ft on 03/14/2003
(217) 21.36 ft on 02/26/2006
(218) 21.30 ft on 12/18/1996
(219) 21.30 ft on 11/22/1987
(220) 21.30 ft on 04/15/1969
(221) 21.30 ft on 04/01/1965
(222) 21.28 ft on 04/22/2011
(223) 21.26 ft on 05/11/2006
(224) 21.25 ft on 04/15/2016
(225) 21.25 ft on 03/27/2009
(226) 21.22 ft on 03/13/2002
(227) 21.21 ft on 01/03/2003
(228) 21.20 ft on 01/19/1995
(229) 21.20 ft on 11/07/1989
(230) 21.20 ft on 11/28/1968
(231) 21.20 ft on 07/21/1961
(232) 21.20 ft on 05/03/1954
(233) 21.19 ft on 02/15/2006
(234) 21.16 ft on 05/03/2010
(235) 21.13 ft on 04/12/2006
(236) 21.13 ft on 04/08/2016
(237) 21.12 ft on 02/24/2006
(238) 21.10 ft on 04/05/1957
(239) 21.10 ft on 10/09/1977
(240) 21.10 ft on 06/04/1990
(241) 21.10 ft on 04/12/2005
(242) 21.10 ft on 03/21/2006
(243) 21.00 ft on 12/01/2004
(244) 21.00 ft on 03/14/1956
(245) 21.00 ft on 01/26/1958
(246) 21.00 ft on 03/15/1978
(247) 21.00 ft on 07/27/1983
(248) 21.00 ft on 08/20/1983
(249) 21.00 ft on 11/25/2000
(250) 21.00 ft on 12/12/1985
(251) 21.00 ft on 10/07/1983
(252) 21.00 ft on 08/23/1983
(253) 20.90 ft on 07/01/1974
(254) 20.90 ft on 03/14/1971
(255) 20.90 ft on 03/24/1969
(256) 20.90 ft on 01/01/2013
(257) 20.90 ft on 05/18/2013
(258) 20.90 ft on 05/13/1971
(259) 20.80 ft on 12/23/1968
(260) 20.80 ft on 10/22/1984
(261) 20.80 ft on 01/26/2004
(262) 20.80 ft on 01/31/1957
(263) 20.75 ft on 05/15/2004
(264) 20.70 ft on 02/03/2005
(265) 20.70 ft on 08/10/1971
(266) 20.70 ft on 03/09/1958
(267) 20.60 ft on 02/05/2014
(268) 20.60 ft on 02/07/1958
(269) 20.60 ft on 02/04/1968
(270) 20.60 ft on 10/14/1970
(271) 20.60 ft on 11/19/1983
(272) 20.60 ft on 05/30/1998
(273) 20.60 ft on 04/07/1999
(274) 20.50 ft on 07/26/1991
(275) 20.50 ft on 01/10/1977
(276) 20.50 ft on 10/02/1958
(277) 20.50 ft on 02/20/1954
(278) 20.50 ft on 12/06/2013
(279) 20.50 ft on 10/16/2006
(280) 20.40 ft on 12/11/1994
(281) 20.38 ft on 05/16/2004
(282) 20.30 ft on 09/09/1991
(283) 20.30 ft on 06/05/1962
(284) 20.30 ft on 12/23/2011
(285) 20.20 ft on 03/09/2012
(286) 20.20 ft on 07/16/1963
(287) 20.20 ft on 11/07/1975
(288) 20.20 ft on 04/01/1987
(289) 20.20 ft on 12/31/1988
(290) 20.20 ft on 08/31/1991
(291) 20.20 ft on 10/05/1991
(292) 20.20 ft on 05/11/2002
(293) 20.10 ft on 04/22/1971
(294) 20.10 ft on 01/26/1988
(295) 20.10 ft on 12/19/1995
(296) 20.00 ft on 05/29/1986
(297) 20.00 ft on 05/01/1969
(298) 20.00 ft on 12/29/1954

(P): Preliminary values subject to further review.