Historic Crests
(1) 34.40 ft on 07/13/1993
(2) 30.51 ft on 05/13/2007
(3) 30.15 ft on 06/01/2013
(4) 29.80 ft on 06/30/2008
(5) 29.75 ft on 05/16/2010
(6) 29.60 ft on 05/28/1995
(7) 29.50 ft on 05/28/1996
(8) 29.10 ft on 10/07/1998
(9) 28.94 ft on 06/08/2001
(10) 28.90 ft on 06/18/2010
(11) 27.95 ft on 05/14/2002
(12) 27.53 ft on 04/13/1997
(13) 27.20 ft on 05/12/1996
(14) 27.00 ft on 09/17/2008
(15) 26.65 ft on 03/14/2010
(16) 26.50 ft on 07/31/2008
(17) 26.45 ft on 12/17/2015
(18) 26.40 ft on 06/16/2008
(19) 26.35 ft on 04/21/2013
(20) 26.30 ft on 06/12/1984
(21) 25.95 ft on 09/14/2014
(22) 25.80 ft on 04/18/1999
(23) 25.70 ft on 11/05/1998
(24) 25.57 ft on 05/20/2009
(25) 25.25 ft on 05/01/2009
(26) 25.18 ft on 09/26/2010
(27) 25.00 ft on 07/07/1995
(28) 24.95 ft on 04/02/1998
(29) 24.55 ft on 06/30/2011
(30) 24.55 ft on 04/08/2017
(31) 24.53 ft on 02/24/1997
(32) 24.52 ft on 05/28/2011
(33) 24.45 ft on 05/30/2016
(34) 24.40 ft on 06/07/2015
(35) 24.30 ft on 07/02/2017
(36) 24.10 ft on 06/22/2001
(37) 23.85 ft on 04/24/1992
(38) 23.80 ft on 06/19/1984
(39) 23.70 ft on 04/29/1999
(40) 23.32 ft on 03/18/2001
(41) 23.10 ft on 07/22/2015
(42) 23.00 ft on 06/14/2015
(43) 22.95 ft on 03/12/2009
(44) 22.90 ft on 02/27/2001
(45) 22.90 ft on 05/19/2015
(46) 22.50 ft on 05/28/2015
(47) 22.50 ft on 08/01/2015
(48) 22.45 ft on 04/28/2010
(49) 22.20 ft on 05/19/1999
(50) 22.00 ft on 05/06/1999
(51) 21.90 ft on 08/31/2004
(52) 21.90 ft on 07/01/1999
(53) 21.80 ft on 04/24/1999
(54) 21.70 ft on 07/21/1996
(55) 21.65 ft on 06/07/2014
(56) 21.60 ft on 06/01/2004
(57) 21.55 ft on 04/24/1997
(58) 21.45 ft on 03/20/1998
(59) 21.37 ft on 03/06/2008
(60) 21.10 ft on 08/20/2009
(61) 21.10 ft on 04/29/2016
(62) 21.00 ft on 06/27/2015
(63) 21.00 ft on 06/26/1996
(64) 20.80 ft on 02/25/1985
(65) 20.70 ft on 10/20/1998
(66) 20.68 ft on 06/17/2009
(67) 20.10 ft on 04/10/1998
(68) 20.10 ft on 06/22/2008
(69) 20.05 ft on 04/21/2008
(70) 19.90 ft on 06/16/1998
(71) 19.87 ft on 11/20/2009
(72) 19.80 ft on 04/30/1994
(73) 19.72 ft on 06/04/2010
(74) 19.70 ft on 07/08/2010
(75) 19.60 ft on 03/06/2004
(76) 19.51 ft on 04/13/2008
(77) 19.50 ft on 06/29/1995
(78) 19.50 ft on 02/11/2001
(79) 19.30 ft on 05/09/2002
(80) 19.30 ft on 05/14/1999
(81) 19.30 ft on 05/05/1997
(82) 19.15 ft on 10/16/2014
(83) 19.05 ft on 06/12/2009
(84) 19.00 ft on 03/27/2009
(85) 19.00 ft on 12/30/2008
(86) 19.00 ft on 05/26/2004
(87) 19.00 ft on 03/09/1998

(P): Preliminary values subject to further review.