Historic Crests
(1) 761.60 ft on 12/09/1978
(2) 757.20 ft on 05/04/2010
(3) 756.57 ft on 04/15/2015
(4) 756.45 ft on 04/15/2015
(5) 755.91 ft on 07/08/2013
(6) 754.77 ft on 04/29/2011
(7) 754.14 ft on 07/16/2015
(8) 752.60 ft on 04/18/2011
(9) 752.45 ft on 03/12/2015
(10) 752.06 ft on 03/13/2011

(P): Preliminary values subject to further review.