Historic Crests
(1) 28.36 ft on 05/10/1993
(2) 25.23 ft on 06/10/1995
(3) 24.06 ft on 05/26/2015
(4) 23.04 ft on 03/06/2004
(5) 22.87 ft on 11/02/1998
(6) 22.58 ft on 06/30/2007
(7) 22.29 ft on 05/04/1993
(8) 22.10 ft on 04/26/1999
(9) 21.71 ft on 03/18/1998
(10) 21.43 ft on 03/11/1990
(11) 21.26 ft on 06/11/2008
(12) 21.24 ft on 04/25/1999
(13) 20.78 ft on 07/14/2007
(14) 20.76 ft on 08/04/1995
(15) 20.69 ft on 04/12/1997
(16) 20.59 ft on 06/05/1995
(17) 20.49 ft on 08/20/2007
(18) 20.42 ft on 04/02/1988
(19) 20.41 ft on 04/11/1994
(20) 20.41 ft on 06/16/2007
(21) 20.11 ft on 05/09/2007
(22) 19.89 ft on 11/21/1994
(23) 19.86 ft on 04/11/2008
(24) 19.57 ft on 04/29/1993
(25) 19.57 ft on 03/25/2000
(26) 19.48 ft on 06/11/1999
(27) 19.44 ft on 06/21/2007
(28) 19.43 ft on 06/24/1999
(29) 19.12 ft on 06/02/2013
(30) 18.81 ft on 04/01/2007
(31) 18.62 ft on 02/22/1997
(32) 18.57 ft on 05/21/2010
(33) 18.53 ft on 05/01/1994
(34) 18.47 ft on 06/27/2000
(35) 18.46 ft on 12/21/1991
(36) 18.31 ft on 08/15/1989
(37) 18.23 ft on 09/14/1989
(38) 18.11 ft on 05/21/1993
(39) 18.00 ft on 04/18/1990
(40) 17.95 ft on 08/01/2013
(41) 17.92 ft on 04/26/1990
(42) 17.84 ft on 10/05/1998
(43) 17.79 ft on 05/09/2008
(44) 17.76 ft on 05/30/2001
(45) 17.70 ft on 08/23/2005
(46) 17.70 ft on 05/04/1990
(47) 17.59 ft on 06/23/2004
(48) 17.57 ft on 09/15/2008
(49) 17.49 ft on 11/26/1992
(50) 17.48 ft on 05/14/1993
(51) 17.46 ft on 06/16/2010
(52) 17.37 ft on 03/15/1990
(53) 17.32 ft on 02/25/2001
(54) 17.18 ft on 06/19/2008
(55) 17.18 ft on 12/15/1992
(56) 17.09 ft on 05/29/2015
(57) 16.98 ft on 06/17/2005
(58) 16.93 ft on 03/14/1999
(59) 16.92 ft on 06/25/1989
(60) 16.91 ft on 06/15/1989
(61) 16.83 ft on 04/16/1999
(62) 16.77 ft on 10/10/2003
(63) 16.70 ft on 06/30/1999
(64) 16.68 ft on 07/28/2013
(65) 16.65 ft on 12/27/1998
(66) 16.65 ft on 12/25/1997
(67) 16.63 ft on 04/16/1993
(68) 16.62 ft on 08/04/1996
(69) 16.52 ft on 09/10/2007
(70) 16.51 ft on 06/27/1993
(71) 16.35 ft on 10/05/2005
(72) 16.33 ft on 10/06/2002
(73) 16.32 ft on 06/02/2007
(74) 16.31 ft on 05/31/1994
(75) 16.31 ft on 05/08/1995
(76) 16.28 ft on 03/29/1989
(77) 16.27 ft on 05/07/2015
(78) 16.12 ft on 05/03/1997
(79) 16.12 ft on 07/11/1999
(80) 16.09 ft on 09/20/2002
(81) 16.05 ft on 05/31/2013
(82) 16.04 ft on 10/10/2009

(P): Preliminary values subject to further review.