Historic Crests
(1) 29.43 ft on 05/18/1995
(2) 27.98 ft on 04/11/1994
(3) 27.81 ft on 07/07/1993
(4) 26.55 ft on 05/16/1990
(5) 25.50 ft on 07/26/1998
(6) 24.41 ft on 09/14/2008
(7) 24.14 ft on 02/21/1997
(8) 24.02 ft on 04/30/2017
(9) 22.99 ft on 07/21/1996
(10) 22.62 ft on 07/02/2015
(11) 22.55 ft on 10/09/2009
(12) 22.13 ft on 06/17/2009
(13) 22.04 ft on 05/05/1999
(14) 21.65 ft on 06/06/2001
(15) 21.54 ft on 06/07/2001
(16) 21.47 ft on 10/06/1998
(17) 21.30 ft on 12/27/2015
(18) 21.25 ft on 05/09/2002
(19) 21.18 ft on 05/13/1991
(20) 21.15 ft on 04/10/2008
(21) 21.00 ft on 05/06/1996
(22) 20.91 ft on 01/05/2005
(23) 20.80 ft on 06/09/1998
(24) 20.80 ft on 06/01/2013
(25) 20.71 ft on 07/31/1998
(26) 20.67 ft on 03/05/2004
(27) 20.64 ft on 05/27/1997
(28) 20.48 ft on 06/17/2015
(29) 20.42 ft on 04/03/2014
(30) 20.14 ft on 04/04/2001
(31) 19.92 ft on 04/02/1988
(32) 19.63 ft on 04/14/2012
(33) 19.57 ft on 11/02/2004
(34) 19.52 ft on 01/13/2005
(35) 19.48 ft on 04/18/2013
(36) 19.43 ft on 02/25/2001
(37) 19.28 ft on 05/21/2011
(38) 19.19 ft on 11/27/2015
(39) 19.16 ft on 10/02/2014
(40) 19.13 ft on 09/10/2016
(41) 19.08 ft on 02/22/2010
(42) 19.06 ft on 06/21/1998
(43) 18.95 ft on 09/11/2010
(44) 18.84 ft on 03/10/2013
(45) 18.81 ft on 02/01/1999
(46) 18.73 ft on 09/23/2010
(47) 18.67 ft on 11/28/2004
(48) 18.57 ft on 03/25/2009
(49) 18.56 ft on 03/31/1998
(50) 18.51 ft on 06/23/1998
(51) 18.45 ft on 10/30/2009
(52) 18.38 ft on 04/11/2013
(53) 18.36 ft on 05/21/2010
(54) 18.35 ft on 11/25/2004
(55) 18.32 ft on 03/09/1998
(56) 18.24 ft on 06/05/1998
(57) 18.12 ft on 08/01/2016
(58) 18.08 ft on 03/09/1999
(59) 18.00 ft on 04/28/2009
(60) 17.99 ft on 08/27/2005
(61) 17.98 ft on 08/22/2017
(62) 17.93 ft on 05/04/2017
(63) 17.83 ft on 06/16/2008
(64) 17.76 ft on 12/14/2015
(65) 17.71 ft on 05/13/2010
(66) 17.65 ft on 10/14/2014
(67) 17.64 ft on 04/30/2009
(68) 17.54 ft on 06/30/2007
(69) 17.51 ft on 06/20/2008
(70) 17.47 ft on 02/14/2005
(71) 17.33 ft on 07/25/2004
(72) 17.29 ft on 12/20/2011
(73) 17.27 ft on 06/04/2008
(74) 17.18 ft on 03/18/2008
(75) 17.17 ft on 05/27/2016
(76) 17.06 ft on 12/24/2009
(77) 16.96 ft on 02/09/2001
(78) 16.93 ft on 07/09/2015
(79) 16.85 ft on 03/21/2012
(80) 16.85 ft on 09/04/2008
(81) 16.84 ft on 04/30/2012
(82) 16.82 ft on 02/25/2011
(83) 16.71 ft on 02/27/1997
(84) 16.69 ft on 10/23/2009
(85) 16.68 ft on 07/29/1998
(86) 16.57 ft on 06/29/1999
(87) 16.42 ft on 06/14/2015
(88) 16.30 ft on 05/27/2000
(89) 16.16 ft on 04/25/2010
(90) 16.07 ft on 02/07/1999
(91) 16.00 ft on 08/06/1995
(92) 16.00 ft on 08/04/1995
(93) 15.99 ft on 04/14/2007
(94) 15.96 ft on 05/08/2008
(95) 15.89 ft on 03/24/2012
(96) 15.88 ft on 04/24/2008
(97) 15.84 ft on 08/07/2017
(98) 15.73 ft on 01/30/2001
(99) 15.65 ft on 06/28/2008
(100) 15.52 ft on 09/12/2008
(101) 15.49 ft on 12/23/2003
(102) 15.47 ft on 02/12/1998
(103) 15.44 ft on 04/29/1996
(104) 15.36 ft on 02/17/2008
(105) 15.30 ft on 06/14/2015
(106) 15.30 ft on 04/16/1999
(107) 15.19 ft on 12/25/2009
(108) 15.14 ft on 05/21/2013
(109) 15.01 ft on 08/25/2004
(110) 15.00 ft on 01/31/2002
(111) 15.00 ft on 02/18/2000

(P): Preliminary values subject to further review.