Historic Crests
(1) 21.71 ft on 02/09/1857
(2) 21.45 ft on 03/28/1913
(3) 20.42 ft on 02/14/1900
(4) 18.98 ft on 10/05/1869
(5) 17.86 ft on 03/19/1936
(6) 17.50 ft on 01/01/1949
(7) 17.40 ft on 03/02/1910
(8) 17.00 ft on 02/21/1909
(9) 16.50 ft on 09/22/1938
(10) 15.96 ft on 11/05/1927
(11) 15.50 ft on 01/20/1996
(12) 15.40 ft on 10/10/1903
(13) 15.40 ft on 08/29/2011
(14) 15.30 ft on 03/13/1936
(15) 14.47 ft on 03/15/1977
(16) 12.69 ft on 04/05/1960
(17) 11.46 ft on 01/09/1998
(18) 11.33 ft on 10/30/2012
(19) 11.32 ft on 09/09/2011
(20) 11.10 ft on 08/28/2011
(21) 10.90 ft on 10/17/1955
(22) 10.14 ft on 03/30/1993
(23) 10.05 ft on 05/31/1984
(24) 9.78 ft on 03/22/1980
(25) 9.51 ft on 04/26/1983
(26) 9.45 ft on 04/05/1987
(27) 9.31 ft on 02/25/1975
(28) 8.77 ft on 04/05/1973
(29) 8.58 ft on 12/02/1996
(30) 8.57 ft on 03/16/1986
(31) 8.39 ft on 05/22/1990
(32) 8.21 ft on 11/09/1996
(33) 8.06 ft on 05/07/1989
(34) 7.92 ft on 04/17/1994
(35) 7.56 ft on 12/11/1992
(36) 7.33 ft on 12/28/1973
(37) 7.22 ft on 04/07/1997
(38) 6.87 ft on 04/22/1991
(39) 6.71 ft on 07/04/1974
(40) 6.62 ft on 09/27/1985
(41) 6.45 ft on 03/04/1999
(42) 6.24 ft on 04/07/1988
(43) 6.14 ft on 01/21/1995

(P): Preliminary values subject to further review.