Historic Crests
(1) 30.21 ft on 08/19/1955
(2) 28.60 ft on 10/10/1903
(3) 27.24 ft on 04/04/2005
(4) 27.16 ft on 06/29/2006
(5) 25.00 ft on 03/19/1936
(6) 24.80 ft on 09/19/2004
(7) 22.96 ft on 01/20/1996
(8) 22.22 ft on 02/12/1936
(9) 21.55 ft on 09/09/2011
(10) 20.34 ft on 03/16/1986
(11) 19.65 ft on 03/12/2011
(12) 19.55 ft on 08/20/2011
(13) 18.15 ft on 03/11/2011
(14) 16.49 ft on 12/03/1996
(15) 15.34 ft on 06/24/1972
(16) 15.05 ft on 11/10/1996
(17) 14.97 ft on 10/30/2003
(18) 13.18 ft on 01/09/1998

(P): Preliminary values subject to further review.