Historic Crests
(1) 22.30 ft on 06/23/1947
(2) 19.52 ft on 06/22/1954
(3) 19.43 ft on 03/31/1960
(4) 19.20 ft on 07/10/1993
(5) 18.61 ft on 06/19/1990
(6) 18.41 ft on 06/09/2008
(7) 18.21 ft on 12/17/2015
(8) 18.16 ft on 03/18/2010
(9) 17.94 ft on 02/12/2009
(10) 17.86 ft on 06/21/1984
(11) 17.84 ft on 03/25/1979
(12) 17.60 ft on 03/30/1962
(13) 17.50 ft on 03/31/1979
(14) 17.44 ft on 08/13/2010
(15) 17.39 ft on 03/29/1951
(16) 17.38 ft on 07/02/1983
(17) 16.98 ft on 04/27/2007
(18) 16.60 ft on 06/06/1991
(19) 16.60 ft on 07/26/2010
(20) 16.56 ft on 03/20/1979
(21) 16.53 ft on 05/30/2013
(22) 16.39 ft on 06/24/1983
(23) 16.33 ft on 05/04/2001
(24) 16.33 ft on 09/04/1962
(25) 16.24 ft on 07/11/2003
(26) 16.20 ft on 06/14/1944
(27) 16.16 ft on 06/24/1996
(28) 16.05 ft on 05/09/2007
(29) 15.97 ft on 09/29/1973
(30) 15.96 ft on 02/19/2011
(31) 15.96 ft on 06/30/2011
(32) 15.92 ft on 03/09/1983
(33) 15.85 ft on 03/26/1969
(34) 15.85 ft on 06/17/1984
(35) 15.76 ft on 06/30/2005
(36) 15.75 ft on 02/21/1971
(37) 15.69 ft on 05/01/1984
(38) 15.68 ft on 06/27/1998
(39) 15.62 ft on 05/03/1951
(40) 15.61 ft on 06/11/1967
(41) 15.61 ft on 06/19/1967
(42) 15.57 ft on 07/01/2010
(43) 15.50 ft on 08/13/1943
(44) 15.40 ft on 05/22/1944
(45) 15.29 ft on 04/05/1965
(46) 15.21 ft on 05/12/1993
(47) 15.20 ft on 05/31/2008
(48) 15.18 ft on 06/26/2015
(49) 15.13 ft on 04/23/1993
(50) 15.11 ft on 07/04/1973
(51) 15.11 ft on 02/20/1974
(52) 15.10 ft on 08/25/2007
(53) 15.07 ft on 05/03/2016
(54) 15.06 ft on 06/03/1959
(55) 14.94 ft on 05/27/1965
(56) 14.94 ft on 06/11/1984
(57) 14.92 ft on 04/24/1999
(58) 14.91 ft on 06/15/2010
(59) 14.80 ft on 03/07/1949
(60) 14.72 ft on 02/18/2011
(61) 14.67 ft on 09/17/1978
(62) 14.61 ft on 02/22/1997
(63) 14.60 ft on 04/02/1993
(64) 14.46 ft on 04/07/1969
(65) 14.44 ft on 07/03/2014
(66) 14.39 ft on 08/19/1993
(67) 14.37 ft on 03/04/1973
(68) 14.34 ft on 04/17/1991
(69) 14.33 ft on 04/16/1983
(70) 14.31 ft on 08/31/2015
(71) 14.30 ft on 06/03/1945
(72) 14.20 ft on 04/25/1945
(73) 14.19 ft on 08/29/1954
(74) 14.15 ft on 03/16/2007
(75) 14.15 ft on 04/29/1991
(76) 14.15 ft on 06/16/1991
(77) 14.11 ft on 04/03/1983
(78) 14.11 ft on 06/12/1966
(79) 14.07 ft on 07/03/1993
(80) 14.06 ft on 10/14/1973
(81) 14.04 ft on 05/08/1991
(82) 14.03 ft on 10/15/1986
(83) 14.01 ft on 03/21/1986
(84) 13.98 ft on 06/13/1999
(85) 13.95 ft on 06/30/1986
(86) 13.93 ft on 02/22/2016
(87) 13.91 ft on 08/31/2007
(88) 13.89 ft on 05/23/2017
(89) 13.88 ft on 05/25/1990
(90) 13.82 ft on 05/01/1975
(91) 13.80 ft on 03/20/1948
(92) 13.80 ft on 03/19/2001
(93) 13.72 ft on 07/10/1969
(94) 13.70 ft on 05/25/2004
(95) 13.70 ft on 03/15/1971
(96) 13.60 ft on 05/20/1991
(97) 13.50 ft on 06/10/1945
(98) 13.49 ft on 06/16/1957
(99) 13.45 ft on 05/28/1960
(100) 13.44 ft on 05/13/1986
(101) 13.42 ft on 05/09/1973
(102) 13.40 ft on 05/28/1946
(103) 13.35 ft on 05/18/1974
(104) 13.34 ft on 03/15/1973
(105) 13.30 ft on 06/30/1979
(106) 13.20 ft on 04/09/1998
(107) 13.19 ft on 03/29/1961
(108) 13.19 ft on 02/27/1973
(109) 13.16 ft on 05/05/1983
(110) 13.12 ft on 03/23/2001
(111) 13.10 ft on 05/24/1945
(112) 13.10 ft on 12/31/1984
(113) 13.09 ft on 06/20/1993
(114) 13.06 ft on 08/04/2010
(115) 13.05 ft on 05/31/1984
(116) 13.01 ft on 05/07/2003
(117) 12.97 ft on 08/30/1951
(118) 12.91 ft on 07/21/1982
(119) 12.90 ft on 03/12/1945
(120) 12.88 ft on 06/03/1951
(121) 12.88 ft on 06/30/1969
(122) 12.85 ft on 06/13/2015
(123) 12.84 ft on 04/28/1975
(124) 12.80 ft on 04/01/1952
(125) 12.80 ft on 02/24/1983
(126) 12.78 ft on 05/31/1973
(127) 12.66 ft on 07/18/1996
(128) 12.65 ft on 04/11/1999
(129) 12.58 ft on 03/26/1991
(130) 12.58 ft on 04/25/1984
(131) 12.58 ft on 07/04/1951
(132) 12.56 ft on 04/18/1973
(133) 12.53 ft on 05/30/1995
(134) 12.52 ft on 05/29/1982
(135) 12.51 ft on 07/11/1952
(136) 12.51 ft on 05/31/2004
(137) 12.48 ft on 03/16/2008
(138) 12.47 ft on 07/08/1998
(139) 12.41 ft on 08/18/1951
(140) 12.40 ft on 06/14/1947
(141) 12.38 ft on 09/30/1965
(142) 12.38 ft on 07/11/1973
(143) 12.38 ft on 04/11/1984
(144) 12.34 ft on 05/14/1963
(145) 12.34 ft on 06/16/2001
(146) 12.34 ft on 10/20/2007
(147) 12.30 ft on 06/22/2014
(148) 12.27 ft on 06/11/1998
(149) 12.25 ft on 06/21/1951
(150) 12.25 ft on 07/20/1972
(151) 12.25 ft on 04/23/1992
(152) 12.22 ft on 05/21/1990
(153) 12.21 ft on 07/10/1978
(154) 12.19 ft on 06/13/2005
(155) 12.16 ft on 07/30/1969
(156) 12.16 ft on 03/18/1983
(157) 12.14 ft on 05/12/2016
(158) 12.12 ft on 09/01/1993
(159) 12.09 ft on 06/30/1990
(160) 12.05 ft on 02/19/1984
(161) 12.04 ft on 06/24/1967
(162) 12.04 ft on 11/23/1973
(163) 12.00 ft on 06/19/1950
(164) 12.00 ft on 03/21/1982
(165) 11.99 ft on 06/28/2008
(166) 11.93 ft on 03/05/1994
(167) 11.92 ft on 11/20/2015
(168) 11.92 ft on 04/18/1999
(169) 11.90 ft on 06/10/1962
(170) 11.85 ft on 04/18/1998
(171) 11.75 ft on 06/28/1967
(172) 11.70 ft on 06/07/1958
(173) 11.66 ft on 03/06/1994
(174) 11.64 ft on 03/27/1973
(175) 11.64 ft on 05/16/1970
(176) 11.63 ft on 07/27/1993
(177) 11.60 ft on 07/08/1947
(178) 11.59 ft on 05/11/1995
(179) 11.54 ft on 04/17/1987
(180) 11.50 ft on 03/16/1946
(181) 11.47 ft on 06/28/1966
(182) 11.46 ft on 05/29/1991
(183) 11.46 ft on 07/15/1987
(184) 11.45 ft on 05/18/1999
(185) 11.40 ft on 06/28/2003
(186) 11.38 ft on 08/26/1979
(187) 11.37 ft on 05/17/1998
(188) 11.31 ft on 05/01/1986
(189) 11.30 ft on 05/05/1982
(190) 11.29 ft on 05/04/1973
(191) 11.25 ft on 05/16/1974
(192) 11.20 ft on 03/15/2001
(193) 11.17 ft on 04/07/1986
(194) 11.15 ft on 06/15/2013
(195) 11.13 ft on 08/26/1973
(196) 11.12 ft on 07/16/1992
(197) 11.10 ft on 06/23/1950
(198) 11.10 ft on 06/23/2011
(199) 11.09 ft on 06/13/1954
(200) 11.07 ft on 09/07/2015
(201) 11.06 ft on 10/19/1968
(202) 11.06 ft on 04/19/1969
(203) 11.01 ft on 09/19/2016
(204) 11.00 ft on 04/06/1984
(205) 10.98 ft on 09/21/1978
(206) 10.98 ft on 05/15/1995
(207) 10.96 ft on 07/13/1982
(208) 10.96 ft on 05/06/1982
(209) 10.95 ft on 06/19/1973
(210) 10.95 ft on 06/17/2013
(211) 10.94 ft on 05/15/2005
(212) 10.91 ft on 04/13/1973
(213) 10.91 ft on 10/11/1982
(214) 10.91 ft on 05/27/2011
(215) 10.90 ft on 08/28/1940
(216) 10.88 ft on 11/28/2015
(217) 10.87 ft on 08/07/1996
(218) 10.86 ft on 09/22/1986
(219) 10.84 ft on 05/02/2006
(220) 10.81 ft on 05/13/2002
(221) 10.75 ft on 08/27/1990
(222) 10.74 ft on 05/28/1987
(223) 10.71 ft on 06/26/2013
(224) 10.70 ft on 08/08/1945
(225) 10.69 ft on 04/22/1998
(226) 10.68 ft on 08/11/1996
(227) 10.65 ft on 05/08/2008
(228) 10.61 ft on 07/09/1982
(229) 10.60 ft on 04/18/1945
(230) 10.58 ft on 05/14/2003
(231) 10.56 ft on 09/18/1987
(232) 10.53 ft on 06/15/1982
(233) 10.50 ft on 07/15/1942
(234) 10.47 ft on 09/28/1986
(235) 10.44 ft on 08/24/2002
(236) 10.37 ft on 05/19/2015
(237) 10.36 ft on 04/13/2008
(238) 10.32 ft on 09/02/2014
(239) 10.32 ft on 05/26/2015
(240) 10.31 ft on 05/24/1976
(241) 10.28 ft on 06/16/2015
(242) 10.26 ft on 06/01/1998
(243) 10.23 ft on 05/30/1996
(244) 10.21 ft on 10/10/2007
(245) 10.12 ft on 04/21/2011
(246) 10.10 ft on 07/01/1953
(247) 10.09 ft on 04/03/2016
(248) 10.09 ft on 04/13/2001
(249) 10.06 ft on 06/29/1999
(250) 10.05 ft on 06/25/2010
(251) 9.98 ft on 05/23/2001
(252) 9.92 ft on 04/23/1995
(253) 9.87 ft on 04/08/1997
(254) 9.83 ft on 06/20/2009
(255) 9.81 ft on 05/25/2007
(256) 9.80 ft on 03/07/2004
(257) 9.78 ft on 04/26/1955
(258) 9.78 ft on 04/02/2008
(259) 9.69 ft on 04/26/2008
(260) 9.51 ft on 04/22/2016
(261) 9.49 ft on 08/20/2015
(262) 9.48 ft on 10/02/2014
(263) 9.10 ft on 06/14/1941
(264) 9.05 ft on 06/26/1968
(265) 8.97 ft on 05/24/1989
(266) 8.93 ft on 04/05/1980
(267) 8.72 ft on 02/15/2005
(268) 8.61 ft on 05/08/1964
(269) 7.76 ft on 06/18/2012
(270) 7.35 ft on 06/29/1981
(271) 7.08 ft on 02/20/1988
(272) 6.78 ft on 05/10/1988
(273) 6.64 ft on 08/20/2000
(274) 5.71 ft on 02/23/1977
(275) 5.40 ft on 05/13/1956
(276) 5.29 ft on 08/26/1977

(P): Preliminary values subject to further review.