Historic Crests
(1) 2,252.20 ft on 06/17/2011
(2) 2,251.60 ft on 07/14/1975
(3) 2,250.31 ft on 07/23/1997
(4) 2,249.60 ft on 06/20/1978
(5) 2,249.00 ft on 07/12/1976
(6) 2,247.87 ft on 07/04/2018
(7) 2,247.30 ft on 07/09/1970
(8) 2,247.30 ft on 07/04/1996

(P): Preliminary values subject to further review.