Historic Crests
(1) 174.36 ft on 03/10/2016
(2) 173.81 ft on 08/31/2017
(3) 173.73 ft on 05/19/1989
(4) 173.60 ft on 01/31/1999
(5) 173.56 ft on 04/07/1997
(6) 173.42 ft on 10/31/2009
(7) 173.20 ft on 03/23/2015 (P)

(P): Preliminary values subject to further review.