Historic Crests
(1) 24.15 ft on 03/20/2008
(2) 23.30 ft on 04/30/1996
(3) 23.07 ft on 01/22/1959
(4) 23.03 ft on 03/10/1964
(5) 21.97 ft on 01/22/1937
(6) 21.90 ft on 03/01/1913
(7) 21.81 ft on 05/09/1961
(8) 21.80 ft on 03/12/2006
(9) 20.64 ft on 05/01/1983
(10) 20.45 ft on 03/07/1945
(11) 20.09 ft on 06/07/1990
(12) 19.93 ft on 05/29/2004
(13) 19.71 ft on 07/26/1979
(14) 19.40 ft on 05/03/2011
(15) 19.23 ft on 04/25/1975
(16) 18.85 ft on 03/20/1943
(17) 18.60 ft on 01/01/1933
(18) 18.33 ft on 06/24/1960
(19) 18.26 ft on 03/02/1997
(20) 18.08 ft on 04/25/2011
(21) 18.00 ft on 03/12/1935

(P): Preliminary values subject to further review.