Historic Crests
(1) 25.33 ft on 06/17/1990
(2) 25.30 ft on 06/13/1947
(3) 25.04 ft on 09/11/2014
(4) 24.40 ft on 06/05/1947
(5) 24.00 ft on 12/15/2015
(6) 23.91 ft on 06/13/2008
(7) 23.62 ft on 05/11/1996
(8) 23.60 ft on 06/26/2015
(9) 23.40 ft on 08/31/1993
(10) 23.32 ft on 06/11/2011
(11) 23.25 ft on 06/10/1974
(12) 23.20 ft on 07/29/2008
(13) 23.15 ft on 08/31/2014
(14) 23.13 ft on 04/25/1976
(15) 23.05 ft on 05/26/2004
(16) 23.03 ft on 06/11/1984
(17) 22.86 ft on 03/18/1965
(18) 22.85 ft on 06/07/2008
(19) 22.61 ft on 06/10/2008
(20) 22.60 ft on 07/01/1959
(21) 22.50 ft on 06/15/2010
(22) 22.50 ft on 08/28/1987
(23) 22.45 ft on 06/16/2013
(24) 22.44 ft on 04/19/1978
(25) 22.40 ft on 02/21/1971
(26) 22.27 ft on 04/16/2012
(27) 22.23 ft on 04/17/1973
(28) 22.21 ft on 05/01/1984
(29) 22.18 ft on 03/04/1970
(30) 22.16 ft on 05/14/2005
(31) 22.15 ft on 04/19/1976
(32) 22.13 ft on 03/12/2010
(33) 22.05 ft on 07/06/1973
(34) 22.00 ft on 02/23/1982
(35) 21.95 ft on 10/03/1973
(36) 21.90 ft on 04/02/1973
(37) 21.90 ft on 04/04/1983
(38) 21.88 ft on 03/04/1993
(39) 21.87 ft on 03/21/1962
(40) 21.87 ft on 08/26/1946
(41) 21.83 ft on 05/09/1973
(42) 21.83 ft on 05/08/2007
(43) 21.78 ft on 08/07/1982
(44) 21.71 ft on 05/27/1984
(45) 21.71 ft on 04/30/1974
(46) 21.71 ft on 07/30/2015
(47) 21.68 ft on 06/16/2011
(48) 21.64 ft on 09/27/1993
(49) 21.58 ft on 04/28/2009
(50) 21.57 ft on 03/20/1979
(51) 21.55 ft on 03/20/1975
(52) 21.53 ft on 03/21/1978
(53) 21.49 ft on 04/17/1982
(54) 21.47 ft on 08/07/1972
(55) 21.43 ft on 03/19/1969
(56) 21.38 ft on 09/02/1977
(57) 21.37 ft on 07/11/1993
(58) 21.36 ft on 03/19/1948
(59) 21.28 ft on 07/22/2010
(60) 21.21 ft on 06/20/1998
(61) 21.20 ft on 04/06/1965
(62) 21.18 ft on 07/05/1981
(63) 21.11 ft on 09/14/1972
(64) 21.10 ft on 06/24/1947
(65) 21.05 ft on 07/18/1982
(66) 21.05 ft on 05/15/1970
(67) 21.03 ft on 08/29/1977
(68) 21.00 ft on 03/30/1960
(69) 20.97 ft on 04/20/1991
(70) 20.85 ft on 06/27/1975
(71) 20.84 ft on 07/02/1965
(72) 20.80 ft on 03/02/1950
(73) 20.80 ft on 04/11/1947
(74) 20.80 ft on 06/23/1952
(75) 20.80 ft on 05/02/1973
(76) 20.77 ft on 07/06/1958
(77) 20.71 ft on 04/24/1984
(78) 20.62 ft on 05/12/1942
(79) 20.60 ft on 05/30/1947
(80) 20.60 ft on 06/20/1950
(81) 20.59 ft on 08/21/1993
(82) 20.56 ft on 07/27/1993
(83) 20.52 ft on 05/28/1973
(84) 20.52 ft on 05/02/1951
(85) 20.51 ft on 06/22/2011
(86) 20.51 ft on 06/18/1943
(87) 20.50 ft on 12/30/1982
(88) 20.48 ft on 03/12/1952
(89) 20.45 ft on 06/14/1967
(90) 20.45 ft on 05/27/1944
(91) 20.44 ft on 07/19/1969
(92) 20.44 ft on 04/14/1983
(93) 20.41 ft on 06/14/1966
(94) 20.40 ft on 11/02/1941
(95) 20.34 ft on 05/23/1999
(96) 20.33 ft on 05/31/1959
(97) 20.32 ft on 04/27/2007
(98) 20.32 ft on 03/06/1950
(99) 20.31 ft on 05/19/1974
(100) 20.31 ft on 03/21/1982
(101) 20.30 ft on 05/22/1944
(102) 20.30 ft on 05/31/1962
(103) 20.29 ft on 06/11/1962
(104) 20.29 ft on 02/21/1997
(105) 20.28 ft on 09/17/1992
(106) 20.25 ft on 05/27/1951
(107) 20.23 ft on 04/02/1965
(108) 20.23 ft on 06/25/1964
(109) 20.20 ft on 07/21/1958
(110) 20.18 ft on 06/08/1961
(111) 20.10 ft on 06/12/1944
(112) 20.05 ft on 04/14/1961
(113) 20.02 ft on 03/12/1973
(114) 20.00 ft on 02/05/1943
(115) 20.00 ft on 07/21/1942
(116) 20.00 ft on 10/20/1946
(117) 19.98 ft on 03/10/2009
(118) 19.98 ft on 03/27/1973
(119) 19.97 ft on 03/13/1963
(120) 19.97 ft on 03/15/1971
(121) 19.97 ft on 03/15/1973
(122) 19.92 ft on 03/19/1961
(123) 19.90 ft on 06/15/1961
(124) 19.90 ft on 04/17/1945
(125) 19.90 ft on 04/06/1947
(126) 19.89 ft on 07/04/1951
(127) 19.80 ft on 04/05/1945
(128) 19.80 ft on 10/09/1941
(129) 19.80 ft on 05/05/1944
(130) 19.79 ft on 05/25/1952
(131) 19.78 ft on 06/20/1975
(132) 19.77 ft on 03/30/1951
(133) 19.76 ft on 01/13/1960
(134) 19.72 ft on 05/01/1963
(135) 19.70 ft on 03/17/1945
(136) 19.69 ft on 05/12/2010
(137) 19.69 ft on 11/01/1977
(138) 19.64 ft on 06/11/1953
(139) 19.63 ft on 05/22/1959
(140) 19.60 ft on 03/27/1946
(141) 19.57 ft on 09/21/1978
(142) 19.52 ft on 03/29/1975
(143) 19.48 ft on 08/02/1981
(144) 19.47 ft on 05/11/2004
(145) 19.40 ft on 06/09/1951
(146) 19.40 ft on 06/16/1950
(147) 19.37 ft on 07/03/2014
(148) 19.30 ft on 07/07/1947
(149) 19.29 ft on 08/13/1993
(150) 19.27 ft on 05/08/1975
(151) 19.27 ft on 07/08/2008
(152) 19.22 ft on 08/17/1952
(153) 19.19 ft on 03/29/1961
(154) 19.17 ft on 02/16/1983
(155) 19.17 ft on 06/29/2010
(156) 19.14 ft on 02/13/1984
(157) 19.12 ft on 06/16/1980
(158) 19.11 ft on 06/04/1951
(159) 19.00 ft on 12/25/1941
(160) 18.97 ft on 12/16/1992
(161) 18.96 ft on 06/29/1952
(162) 18.91 ft on 11/28/1983
(163) 18.87 ft on 06/20/2009
(164) 18.80 ft on 04/01/1993
(165) 18.76 ft on 07/24/2010
(166) 18.75 ft on 08/04/2010
(167) 18.68 ft on 03/05/1949
(168) 18.65 ft on 04/18/1999
(169) 18.61 ft on 03/16/1990
(170) 18.51 ft on 05/09/1993
(171) 18.50 ft on 05/07/1942
(172) 18.45 ft on 05/09/1995
(173) 18.45 ft on 03/11/2007
(174) 18.45 ft on 05/31/1954
(175) 18.41 ft on 06/13/1993
(176) 18.36 ft on 05/04/1993
(177) 18.30 ft on 05/12/1993
(178) 18.28 ft on 04/01/1998
(179) 18.26 ft on 05/11/1957
(180) 18.25 ft on 05/20/2004
(181) 18.15 ft on 04/29/1995
(182) 18.11 ft on 06/20/1993
(183) 18.11 ft on 04/19/2013
(184) 18.11 ft on 06/26/2010
(185) 17.99 ft on 07/07/1993
(186) 17.97 ft on 11/21/1992
(187) 17.97 ft on 05/25/1960
(188) 17.95 ft on 05/26/2011
(189) 17.87 ft on 03/14/2008
(190) 17.86 ft on 04/22/1992
(191) 17.86 ft on 07/18/2008
(192) 17.85 ft on 03/16/2001
(193) 17.83 ft on 07/09/1998
(194) 17.83 ft on 04/04/1986
(195) 17.80 ft on 05/07/1960
(196) 17.79 ft on 06/17/1998
(197) 17.68 ft on 06/29/2014
(198) 17.65 ft on 07/19/1993
(199) 17.58 ft on 03/25/2009
(200) 17.55 ft on 05/06/1991
(201) 17.50 ft on 06/13/1999
(202) 17.40 ft on 09/17/1941
(203) 17.35 ft on 06/23/2010
(204) 17.33 ft on 07/20/2016
(205) 17.31 ft on 04/24/1992
(206) 17.25 ft on 07/21/1993
(207) 17.23 ft on 06/13/1998
(208) 17.22 ft on 07/03/1993
(209) 17.19 ft on 06/03/1991
(210) 17.17 ft on 05/18/1999
(211) 17.11 ft on 04/26/2008
(212) 17.09 ft on 04/15/1991
(213) 17.08 ft on 05/31/2013
(214) 17.04 ft on 05/06/2003
(215) 16.93 ft on 06/27/1990
(216) 16.89 ft on 06/25/2009
(217) 16.85 ft on 08/08/1956
(218) 16.85 ft on 03/10/2014
(219) 16.82 ft on 12/25/2015
(220) 16.81 ft on 06/20/2008
(221) 16.79 ft on 06/28/2011
(222) 16.71 ft on 02/20/2016
(223) 16.71 ft on 05/26/1990
(224) 16.64 ft on 10/16/2007
(225) 16.63 ft on 05/27/2015
(226) 16.53 ft on 05/31/2008
(227) 16.51 ft on 10/30/2009
(228) 16.51 ft on 07/06/1995
(229) 16.51 ft on 06/19/2010
(230) 16.49 ft on 12/29/2008
(231) 16.47 ft on 09/10/1989
(232) 16.43 ft on 03/05/1994
(233) 16.39 ft on 10/15/2014
(234) 16.31 ft on 05/02/2016
(235) 16.29 ft on 04/27/2011
(236) 16.25 ft on 03/31/2017
(237) 16.13 ft on 06/05/1999
(238) 16.09 ft on 05/26/2007
(239) 16.07 ft on 05/13/2014
(240) 16.05 ft on 10/02/2014
(241) 15.89 ft on 05/18/2015
(242) 15.76 ft on 06/16/2015
(243) 15.75 ft on 04/12/2001
(244) 15.49 ft on 01/31/1988
(245) 14.74 ft on 08/01/1940
(246) 13.75 ft on 06/27/2000
(247) 13.71 ft on 04/24/1968
(248) 12.28 ft on 05/12/2002
(249) 12.09 ft on 05/01/2006

(P): Preliminary values subject to further review.