Historic Crests
(1) 543.10 ft on 12/04/1982 (P)
(2) 541.22 ft on 09/14/2008
(3) 541.00 ft on 03/05/1985 (P)
(4) 540.97 ft on 05/01/2019 (P)
(5) 540.92 ft on 04/18/2013
(6) 540.64 ft on 08/24/2007
(7) 540.49 ft on 12/28/2008
(8) 540.42 ft on 06/09/2011
(9) 540.37 ft on 06/16/2015
(10) 540.29 ft on 07/25/2010
(11) 540.06 ft on 05/12/2016
(12) 539.96 ft on 01/13/2005

(P): Preliminary values subject to further review.