Historic Crests
(1) 25.15 ft on 05/01/1923
(2) 23.58 ft on 04/02/1987
(3) 22.03 ft on 03/21/1936
(4) 21.66 ft on 04/30/1973
(5) 21.62 ft on 05/01/2008
(6) 20.81 ft on 04/19/1983
(7) 20.65 ft on 04/14/1940
(8) 20.08 ft on 06/03/1984
(9) 19.86 ft on 04/04/1976
(10) 19.76 ft on 04/30/2005
(11) 19.68 ft on 12/23/1973
(12) 19.32 ft on 11/05/1966
(13) 19.23 ft on 04/30/1979
(14) 19.22 ft on 04/24/1958
(15) 18.99 ft on 01/16/1978
(16) 18.93 ft on 04/13/1993
(17) 18.61 ft on 04/18/1994
(18) 18.34 ft on 09/25/1981
(19) 18.23 ft on 11/28/1950
(20) 18.00 ft on 09/30/1909
(21) 17.90 ft on 04/01/1953
(22) 17.70 ft on 06/19/1917
(23) 17.25 ft on 05/02/1907
(24) 17.20 ft on 04/21/1934
(25) 17.15 ft on 05/05/1971
(26) 16.88 ft on 04/24/1954
(27) 16.77 ft on 11/10/1963
(28) 16.76 ft on 05/29/1961
(29) 16.64 ft on 04/23/1950
(30) 16.62 ft on 05/07/1947
(31) 16.44 ft on 05/15/1989

(P): Preliminary values subject to further review.