Historic Crests
(1) 20.16 ft on 09/20/1989
(2) 19.70 ft on 08/28/2011
(3) 19.24 ft on 08/06/1990
(4) 19.14 ft on 03/04/1991
(5) 18.70 ft on 12/27/2012
(6) 18.53 ft on 06/20/1992
(7) 18.46 ft on 05/01/2014
(8) 18.38 ft on 03/09/1998
(9) 18.36 ft on 01/02/1987

(P): Preliminary values subject to further review.