Recent Crests
(1) 1,562.88 ft on 06/25/2011
(2) 1,545.28 ft on 04/12/1996
(3) 1,557.30 ft on 04/18/1976
(4) 1,556.62 ft on 04/20/1969
(5) 1,556.37 ft on 04/20/1904
(6) 1,559.22 ft on 01/01/1881

(P): Preliminary values subject to further review.