Historic Crests
(1) 27.70 ft on 11/06/1985
(2) 23.80 ft on 08/18/1980
(3) 23.70 ft on 03/07/1967
(4) 23.70 ft on 02/19/2000
(5) 23.10 ft on 03/05/1963
(6) 21.50 ft on 05/24/1968
(7) 21.20 ft on 01/26/1978
(8) 21.05 ft on 12/14/2007
(9) 20.80 ft on 11/20/2003
(10) 20.50 ft on 12/09/1978
(11) 20.50 ft on 06/06/1981
(12) 20.30 ft on 12/14/1956
(13) 19.90 ft on 01/19/1996
(14) 19.87 ft on 05/04/2009
(15) 19.60 ft on 01/11/1974
(16) 19.40 ft on 03/20/1963
(17) 18.40 ft on 08/06/1956
(18) 18.30 ft on 05/07/1967
(19) 18.05 ft on 02/23/2003
(20) 18.01 ft on 03/05/2015
(21) 17.74 ft on 06/05/2008

(P): Preliminary values subject to further review.