Historic Crests
(1) 467.81 ft on 04/19/2013
(2) 467.31 ft on 09/16/2008
(3) 464.70 ft on 12/05/1982
(4) 464.61 ft on 05/03/2019 (P)
(5) 464.60 ft on 02/22/1997
(6) 464.10 ft on 03/12/2009
(7) 463.65 ft on 02/22/2018 (P)
(8) 463.56 ft on 03/05/1985
(9) 463.40 ft on 03/21/1979
(10) 463.27 ft on 08/25/2007
(11) 462.40 ft on 05/16/1970
(12) 462.26 ft on 12/29/2008
(13) 462.20 ft on 05/22/1943
(14) 461.42 ft on 05/14/2002
(15) 461.40 ft on 01/15/2005
(16) 459.51 ft on 05/02/2017
(17) 455.24 ft on 07/23/2017
(18) 453.33 ft on 10/16/2017 (P)

(P): Preliminary values subject to further review.