Historic Crests
(1) 27.20 ft on 03/31/1945
(2) 25.00 ft on 12/04/1982
(3) 24.20 ft on 05/03/1958
(4) 23.90 ft on 01/26/1949
(5) 23.90 ft on 03/09/1990
(6) 23.50 ft on 04/21/1973
(7) 23.40 ft on 12/27/1987
(8) 22.56 ft on 12/29/2015
(9) 22.53 ft on 12/25/2009
(10) 22.20 ft on 07/03/1983
(11) 21.94 ft on 12/18/2001
(12) 21.64 ft on 05/07/2009
(13) 21.55 ft on 01/16/2007
(14) 21.51 ft on 03/30/1989
(15) 21.43 ft on 09/04/2008
(16) 21.40 ft on 05/12/2015
(17) 20.59 ft on 04/05/2008
(18) 20.40 ft on 04/14/1991
(19) 20.39 ft on 04/10/2008
(20) 20.04 ft on 04/12/1995
(21) 17.85 ft on 08/29/1997

(P): Preliminary values subject to further review.