Historic Crests
(1) 33.00 ft on 05/01/1856
(2) 32.60 ft on 04/14/1974
(3) 32.00 ft on 01/01/1900
(4) 31.65 ft on 02/23/1961
(5) 31.44 ft on 02/17/1990
(6) 31.14 ft on 01/08/1950
(7) 29.44 ft on 03/05/1979
(8) 28.19 ft on 04/14/1980
(9) 28.16 ft on 02/08/2004
(10) 28.11 ft on 04/08/1983
(11) 28.09 ft on 02/24/2003
(12) 28.05 ft on 04/09/2014
(13) 27.97 ft on 04/29/1997
(14) 26.60 ft on 03/31/1980
(15) 26.57 ft on 03/01/1987
(16) 26.39 ft on 04/01/1949
(17) 26.36 ft on 05/02/1940
(18) 26.31 ft on 03/31/1951
(19) 26.08 ft on 01/21/1947
(20) 26.00 ft on 04/08/1964

(P): Preliminary values subject to further review.