Historic Crests
(1) 27.80 ft on 05/07/2007
(2) 26.00 ft on 10/02/2005
(3) 25.90 ft on 06/20/2001
(4) 25.00 ft on 09/13/1977
(5) 24.00 ft on 06/09/1982
(6) 24.00 ft on 10/12/1973
(7) 22.50 ft on 09/21/1965
(8) 22.00 ft on 03/30/1980
(9) 22.00 ft on 07/28/1981
(10) 22.00 ft on 05/26/1982
(11) 22.00 ft on 06/06/1996
(12) 21.94 ft on 06/28/1999
(13) 21.86 ft on 10/10/1985
(14) 21.43 ft on 04/11/1997
(15) 21.42 ft on 05/27/2020
(16) 21.42 ft on 05/27/2016
(17) 21.35 ft on 11/03/1998
(18) 21.19 ft on 09/14/2016
(19) 21.13 ft on 09/24/1985
(20) 21.11 ft on 08/23/2017
(21) 21.00 ft on 04/01/1973
(22) 21.00 ft on 11/10/1977
(23) 21.00 ft on 06/01/1978
(24) 21.00 ft on 09/22/1985
(25) 21.00 ft on 05/11/1986
(26) 21.00 ft on 09/24/1986
(27) 20.90 ft on 06/04/2015
(28) 20.60 ft on 04/27/1969
(29) 20.56 ft on 09/18/2001
(30) 20.50 ft on 05/17/2015
(31) 20.49 ft on 06/24/2019
(32) 20.40 ft on 04/15/1999
(33) 20.40 ft on 06/04/2001
(34) 20.33 ft on 05/25/1995
(35) 20.31 ft on 05/22/2019
(36) 20.30 ft on 05/27/1996
(37) 20.30 ft on 09/19/1986
(38) 20.30 ft on 05/25/2011
(39) 20.29 ft on 09/30/1985
(40) 20.25 ft on 10/05/1998
(41) 20.20 ft on 06/05/2005
(42) 20.17 ft on 08/27/2019
(43) 20.11 ft on 08/18/2019
(44) 20.00 ft on 07/02/1982
(45) 20.00 ft on 08/20/1985
(46) 20.00 ft on 05/28/1995
(47) 20.00 ft on 05/24/2015
(48) 19.97 ft on 06/12/2005
(49) 19.96 ft on 05/15/2009
(50) 19.95 ft on 06/06/1967
(51) 19.95 ft on 05/19/1981
(52) 19.95 ft on 04/06/2017
(53) 19.95 ft on 02/25/2001
(54) 19.90 ft on 06/12/1967
(55) 19.90 ft on 06/01/1996
(56) 19.86 ft on 05/16/1990
(57) 19.85 ft on 09/14/2008
(58) 19.83 ft on 05/26/2019
(59) 19.79 ft on 05/09/2019
(60) 19.78 ft on 06/30/2017
(61) 19.73 ft on 06/22/1967
(62) 19.72 ft on 05/20/2017
(63) 19.70 ft on 04/30/2006
(64) 19.70 ft on 04/27/2009
(65) 19.70 ft on 05/17/1986
(66) 19.70 ft on 04/27/1999
(67) 19.65 ft on 05/13/2005
(68) 19.60 ft on 05/12/2016
(69) 19.55 ft on 08/04/1972
(70) 19.53 ft on 03/31/1980
(71) 19.50 ft on 01/30/1982
(72) 19.50 ft on 05/13/2010
(73) 19.50 ft on 05/26/2015
(74) 19.47 ft on 04/27/2016
(75) 19.40 ft on 08/01/1968
(76) 19.40 ft on 10/09/2014
(77) 19.35 ft on 03/19/1987
(78) 19.25 ft on 07/12/2001
(79) 19.20 ft on 09/30/1986
(80) 19.15 ft on 09/24/2010
(81) 19.10 ft on 07/12/2010
(82) 19.05 ft on 02/22/1997
(83) 19.05 ft on 07/03/2016
(84) 19.00 ft on 02/02/1973
(85) 19.00 ft on 09/07/1989
(86) 19.00 ft on 10/23/2008
(87) 19.00 ft on 06/19/2011
(88) 19.00 ft on 08/23/2011
(89) 18.95 ft on 09/14/2010
(90) 18.93 ft on 06/14/2010
(91) 18.90 ft on 05/29/1982
(92) 18.90 ft on 08/18/2009
(93) 18.90 ft on 09/22/2010
(94) 18.85 ft on 10/24/1977
(95) 18.85 ft on 05/26/1987
(96) 18.83 ft on 03/30/2019
(97) 18.75 ft on 12/08/1980
(98) 18.72 ft on 08/20/2011
(99) 18.70 ft on 09/14/1985
(100) 18.70 ft on 06/24/1996
(101) 18.66 ft on 04/04/2017
(102) 18.65 ft on 12/12/2007
(103) 18.60 ft on 07/05/1995
(104) 18.56 ft on 03/10/2019
(105) 18.50 ft on 09/28/1973
(106) 18.50 ft on 06/16/1984
(107) 18.50 ft on 08/16/1995
(108) 18.50 ft on 07/08/2014
(109) 18.50 ft on 05/11/2002
(110) 18.45 ft on 05/19/2004
(111) 18.45 ft on 05/22/2011
(112) 18.42 ft on 06/24/2000
(113) 18.39 ft on 07/02/1965
(114) 18.37 ft on 08/30/2019
(115) 18.35 ft on 05/31/1982
(116) 18.35 ft on 11/10/1998
(117) 18.20 ft on 06/27/1966
(118) 18.18 ft on 05/03/1987
(119) 18.16 ft on 03/14/2019
(120) 18.15 ft on 12/05/1973
(121) 18.10 ft on 05/17/1974
(122) 18.10 ft on 05/18/1995
(123) 18.07 ft on 07/07/2015
(124) 18.06 ft on 08/29/1989
(125) 18.05 ft on 06/22/2019
(126) 18.05 ft on 07/08/2010
(127) 18.05 ft on 05/29/2013
(128) 18.05 ft on 07/12/2016
(129) 18.00 ft on 04/25/2020
(130) 18.00 ft on 03/04/1979
(131) 18.00 ft on 09/09/1989
(132) 18.00 ft on 04/28/1994
(133) 18.00 ft on 06/05/1995
(134) 18.00 ft on 07/30/1998
(135) 17.99 ft on 08/10/1968
(136) 17.99 ft on 03/03/2008
(137) 17.97 ft on 03/30/2017
(138) 17.95 ft on 05/15/1982
(139) 17.94 ft on 03/24/2009
(140) 17.90 ft on 06/30/1981
(141) 17.89 ft on 07/21/1965
(142) 17.88 ft on 07/19/2001
(143) 17.80 ft on 11/17/1996
(144) 17.75 ft on 09/16/1977
(145) 17.70 ft on 10/08/1977
(146) 17.65 ft on 09/23/1970
(147) 17.62 ft on 10/18/2007
(148) 17.60 ft on 10/22/1977
(149) 17.60 ft on 06/20/1981
(150) 17.58 ft on 10/09/2018
(151) 17.55 ft on 06/03/1981
(152) 17.50 ft on 08/03/1968
(153) 17.50 ft on 09/12/1989
(154) 17.45 ft on 08/04/1985
(155) 17.40 ft on 09/25/1973
(156) 17.38 ft on 07/20/2010
(157) 17.35 ft on 08/07/1985
(158) 17.35 ft on 06/13/2008
(159) 17.27 ft on 09/01/2010
(160) 17.25 ft on 02/13/2005
(161) 17.20 ft on 03/26/1973
(162) 17.20 ft on 06/23/1980
(163) 17.20 ft on 04/04/1998
(164) 17.10 ft on 12/30/1972
(165) 17.10 ft on 04/04/1986
(166) 17.10 ft on 03/15/2001
(167) 17.05 ft on 11/14/1972
(168) 17.05 ft on 11/21/1973
(169) 17.00 ft on 06/04/1973
(170) 17.00 ft on 05/09/1996

(P): Preliminary values subject to further review.