Historic Crests
(1) 475.31 ft on 04/06/1977
(2) 473.05 ft on 02/18/1990
(3) 472.61 ft on 03/19/1980
(4) 472.52 ft on 10/06/1995
(5) 472.49 ft on 03/19/1990
(6) 472.12 ft on 05/09/2003
(7) 472.10 ft on 03/06/1979
(8) 471.50 ft on 04/03/1976
(9) 470.79 ft on 12/07/1983
(10) 470.55 ft on 03/12/2011 (P)
(11) 469.86 ft on 01/09/2009
(12) 469.22 ft on 03/09/1996
(13) 468.94 ft on 01/29/1996
(14) 468.86 ft on 05/08/2013 (P)
(15) 468.00 ft on 06/22/1989
(16) 467.66 ft on 02/26/1600
(17) 467.66 ft on 02/26/2016 (P)
(18) 467.66 ft on 02/26/0013 (P)
(19) 467.66 ft on 02/26/1300
(20) 467.09 ft on 03/09/1989
(21) 467.03 ft on 11/13/2009
(22) 466.36 ft on 03/23/2001
(23) 465.98 ft on 09/23/1994
(24) 465.15 ft on 10/03/1994
(25) 465.13 ft on 06/03/1995

(P): Preliminary values subject to further review.