Historic Crests
(1) 845.53 ft on 06/16/2008
(2) 843.66 ft on 09/03/2018
(3) 843.33 ft on 07/22/2010
(4) 843.19 ft on 09/02/2020
(5) 843.17 ft on 10/10/2018
(6) 843.10 ft on 06/14/2004
(7) 842.93 ft on 04/15/2013
(8) 842.81 ft on 08/22/2007
(9) 842.73 ft on 06/19/2009
(10) 842.70 ft on 06/30/2014
(11) 842.67 ft on 05/10/2012
(12) 842.29 ft on 03/24/2016
(13) 842.29 ft on 04/18/2008
(14) 842.19 ft on 09/02/2020
(15) 842.14 ft on 07/13/2015
(16) 842.14 ft on 01/20/2017
(17) 842.11 ft on 01/20/2017
(18) 842.07 ft on 07/13/2015
(19) 842.05 ft on 09/26/1986
(20) 842.02 ft on 07/09/1993
(21) 841.96 ft on 06/18/2001
(22) 841.85 ft on 07/26/2007
(23) 841.83 ft on 08/21/1990
(24) 841.67 ft on 07/26/1999
(25) 841.61 ft on 06/01/2000
(26) 841.60 ft on 03/30/1998
(27) 841.53 ft on 07/02/1997
(28) 841.51 ft on 06/12/2015
(29) 841.45 ft on 06/29/1996
(30) 841.38 ft on 03/07/1994
(31) 841.32 ft on 06/03/2003
(32) 841.25 ft on 05/21/1992
(33) 841.23 ft on 08/09/1995
(34) 841.10 ft on 04/15/1991
(35) 840.97 ft on 03/16/1989
(36) 840.91 ft on 09/22/1988

(P): Preliminary values subject to further review.