Historic Crests
(1) 28.50 ft on 01/01/1989
(2) 28.20 ft on 01/01/1957
(3) 28.00 ft on 01/01/1913
(4) 26.53 ft on 03/30/2007
(5) 25.48 ft on 06/17/2007
(6) 24.62 ft on 10/31/1974
(7) 24.30 ft on 06/16/1964
(8) 23.02 ft on 05/10/1968
(9) 22.58 ft on 12/20/1991
(10) 22.02 ft on 06/16/1981
(11) 21.92 ft on 05/17/1989
(12) 21.16 ft on 07/08/1968
(13) 20.75 ft on 05/14/1965
(14) 20.52 ft on 09/08/2010
(15) 20.37 ft on 10/22/2009
(16) 20.28 ft on 11/17/2004
(17) 19.53 ft on 12/20/1997

(P): Preliminary values subject to further review.