Historic Crests
(1) 665.40 ft on 04/08/1964
(2) 664.83 ft on 01/05/2016
(3) 664.79 ft on 07/09/2013
(4) 664.76 ft on 04/08/1994
(5) 664.08 ft on 03/17/1996
(6) 664.02 ft on 03/20/1998
(7) 663.44 ft on 05/06/2003
(8) 663.36 ft on 12/05/1992
(9) 662.95 ft on 03/06/1995
(10) 662.68 ft on 07/29/2004
(11) 662.63 ft on 02/08/2010
(12) 662.53 ft on 04/05/2005
(13) 662.27 ft on 12/07/2009
(14) 661.14 ft on 04/16/2011
(15) 659.67 ft on 01/30/2006
(16) 658.39 ft on 05/08/2000
(17) 658.33 ft on 05/07/2007
(18) 654.99 ft on 06/14/2001
(19) 653.22 ft on 05/21/2002
(20) 652.97 ft on 03/19/2012
(21) 652.17 ft on 04/30/2008

(P): Preliminary values subject to further review.