Historic Crests
(1) 22.90 ft on 04/01/1944
(2) 22.23 ft on 04/20/1973
(3) 21.59 ft on 07/10/1969
(4) 20.98 ft on 06/25/2021
(5) 20.85 ft on 05/21/1999
(6) 20.67 ft on 03/26/2004
(7) 20.63 ft on 05/10/2003
(8) 20.46 ft on 04/25/2010
(9) 20.46 ft on 09/14/2008
(10) 20.45 ft on 06/06/2001
(11) 20.30 ft on 02/21/1997
(12) 20.30 ft on 07/01/1999
(13) 20.17 ft on 07/30/2008
(14) 20.16 ft on 05/26/2013
(15) 20.12 ft on 06/04/2020
(16) 20.05 ft on 05/16/2009
(17) 19.91 ft on 05/07/2007
(18) 19.89 ft on 11/01/2004
(19) 19.86 ft on 06/09/2020
(20) 19.84 ft on 04/28/2009
(21) 19.75 ft on 04/03/2014
(22) 19.71 ft on 04/30/2017
(23) 19.66 ft on 06/23/1975
(24) 19.60 ft on 09/13/1961
(25) 19.60 ft on 06/16/2015
(26) 19.59 ft on 04/26/2007
(27) 19.57 ft on 03/26/2018
(28) 19.47 ft on 10/05/1955
(29) 19.44 ft on 12/27/2008
(30) 19.43 ft on 04/18/2013
(31) 19.40 ft on 04/11/1997
(32) 19.40 ft on 01/03/1971
(33) 19.40 ft on 04/30/2009
(34) 19.40 ft on 05/21/2013
(35) 19.39 ft on 06/01/1987
(36) 19.37 ft on 04/10/2008
(37) 19.34 ft on 07/28/2008
(38) 19.33 ft on 10/30/2009
(39) 19.32 ft on 06/13/2003 (P)
(40) 19.32 ft on 07/09/2015
(41) 19.31 ft on 03/24/2009
(42) 19.27 ft on 03/18/2021
(43) 19.26 ft on 08/26/2019
(44) 19.22 ft on 03/21/2012
(45) 19.14 ft on 03/18/2008
(46) 19.13 ft on 12/10/2003 (P)
(47) 19.08 ft on 02/28/2011
(48) 19.03 ft on 04/11/2021
(49) 19.01 ft on 05/31/2013
(50) 18.95 ft on 07/03/2016
(51) 18.94 ft on 04/11/2013
(52) 18.88 ft on 05/09/2002
(53) 18.85 ft on 05/01/2019
(54) 18.83 ft on 08/28/2004
(55) 18.80 ft on 01/30/2001
(56) 18.78 ft on 07/25/2008
(57) 18.70 ft on 05/06/1961
(58) 18.70 ft on 06/04/2001
(59) 18.67 ft on 04/30/2012
(60) 18.65 ft on 04/05/1969
(61) 18.65 ft on 06/22/1998
(62) 18.60 ft on 12/27/2015
(63) 18.59 ft on 07/20/2015
(64) 18.55 ft on 02/10/1983
(65) 18.55 ft on 04/27/1999
(66) 18.51 ft on 03/09/2013
(67) 18.50 ft on 04/08/2015
(68) 18.50 ft on 05/11/2002
(69) 18.44 ft on 06/08/2015
(70) 18.39 ft on 09/04/2008
(71) 18.34 ft on 07/03/2008
(72) 18.33 ft on 05/25/1968
(73) 18.30 ft on 12/04/1973
(74) 18.29 ft on 04/11/1979
(75) 18.26 ft on 05/06/2002
(76) 18.25 ft on 10/18/1998
(77) 18.25 ft on 09/01/2003 (P)
(78) 18.15 ft on 07/01/1969
(79) 18.12 ft on 07/01/2021
(80) 18.10 ft on 02/07/1999
(81) 18.10 ft on 02/25/2001
(82) 18.10 ft on 02/21/2010
(83) 18.05 ft on 05/21/1962
(84) 18.05 ft on 12/14/2015
(85) 18.02 ft on 05/21/2019
(86) 17.95 ft on 06/05/1965
(87) 17.95 ft on 06/05/1969
(88) 17.93 ft on 03/05/2004
(89) 17.93 ft on 06/08/1966
(90) 17.90 ft on 02/13/2005
(91) 17.89 ft on 12/25/2009
(92) 17.87 ft on 06/22/1969
(93) 17.84 ft on 12/31/2018
(94) 17.84 ft on 05/13/2010
(95) 17.80 ft on 06/01/1984
(96) 17.80 ft on 04/27/2002
(97) 17.79 ft on 01/03/2005
(98) 17.76 ft on 12/28/2015
(99) 17.68 ft on 05/11/2010
(100) 17.66 ft on 12/27/1968
(101) 17.66 ft on 05/09/2003 (P)
(102) 17.65 ft on 09/24/1961
(103) 17.63 ft on 12/01/2018
(104) 17.62 ft on 06/24/2008
(105) 17.62 ft on 06/21/2021
(106) 17.60 ft on 02/09/2001
(107) 17.59 ft on 05/15/2020
(108) 17.57 ft on 11/16/1961
(109) 17.56 ft on 11/02/1961
(110) 17.50 ft on 08/02/1961
(111) 17.50 ft on 02/26/1997
(112) 17.49 ft on 03/09/2020
(113) 17.40 ft on 06/12/2002
(114) 17.38 ft on 11/01/1977
(115) 17.37 ft on 01/24/2010
(116) 17.35 ft on 07/04/1998
(117) 17.34 ft on 09/16/1965
(118) 17.34 ft on 10/02/2014
(119) 17.34 ft on 06/29/2021
(120) 17.29 ft on 11/27/2004
(121) 17.20 ft on 04/21/2002
(122) 17.15 ft on 07/06/1998
(123) 17.10 ft on 10/30/1961
(124) 17.04 ft on 05/22/2019
(125) 17.00 ft on 05/27/1996
(126) 17.00 ft on 06/14/1998
(127) 16.93 ft on 05/20/1990
(128) 16.92 ft on 06/28/2021
(129) 16.90 ft on 06/26/2008
(130) 16.89 ft on 10/22/2009
(131) 16.89 ft on 05/17/2020
(132) 16.87 ft on 06/01/1969
(133) 16.87 ft on 12/24/2009
(134) 16.80 ft on 03/08/1999
(135) 16.77 ft on 04/21/1964
(136) 16.77 ft on 04/06/1965
(137) 16.76 ft on 02/17/2008
(138) 16.75 ft on 07/06/2004
(139) 16.74 ft on 07/09/1967
(140) 16.72 ft on 06/30/2017
(141) 16.68 ft on 10/09/2009
(142) 16.67 ft on 08/04/2004
(143) 16.67 ft on 07/08/2014
(144) 16.65 ft on 03/15/1990
(145) 16.65 ft on 05/15/1991
(146) 16.64 ft on 05/15/2015
(147) 16.62 ft on 06/16/2009
(148) 16.60 ft on 03/17/1965
(149) 16.60 ft on 06/28/1967
(150) 16.60 ft on 02/01/1968
(151) 16.60 ft on 04/05/1999
(152) 16.53 ft on 03/10/2009
(153) 16.52 ft on 05/25/2011
(154) 16.50 ft on 01/22/1999
(155) 16.45 ft on 05/08/1961
(156) 16.45 ft on 05/07/1967
(157) 16.40 ft on 07/23/1961
(158) 16.40 ft on 05/15/1966
(159) 16.40 ft on 10/06/1998
(160) 16.31 ft on 07/22/2008
(161) 16.30 ft on 06/19/2008
(162) 16.27 ft on 01/30/2013
(163) 16.25 ft on 04/11/2001
(164) 16.25 ft on 02/05/2008
(165) 16.24 ft on 03/24/1969
(166) 16.20 ft on 01/23/1969
(167) 16.15 ft on 10/15/1965
(168) 16.15 ft on 03/17/2021
(169) 16.11 ft on 07/19/2015
(170) 16.09 ft on 03/30/2007
(171) 16.08 ft on 04/18/1969
(172) 16.08 ft on 06/13/2008
(173) 16.04 ft on 06/21/2019

(P): Preliminary values subject to further review.