Historic Crests
(1) 40.00 ft on 06/01/1940
(2) 39.00 ft on 07/01/1936
(3) 36.38 ft on 08/28/2017
(4) 36.05 ft on 09/13/1974
(5) 33.76 ft on 11/23/2004
(6) 33.67 ft on 09/01/1981
(7) 32.91 ft on 06/13/1973
(8) 32.22 ft on 10/18/1998
(9) 31.81 ft on 04/19/2016
(10) 31.61 ft on 04/18/2009
(11) 31.15 ft on 11/01/1981
(12) 30.83 ft on 10/18/1994
(13) 30.45 ft on 06/07/1979
(14) 30.34 ft on 09/22/1967
(15) 30.27 ft on 11/05/2002
(16) 30.09 ft on 05/17/1992
(17) 30.01 ft on 04/21/1977
(18) 30.00 ft on 05/25/1975
(19) 29.14 ft on 06/08/1997
(20) 28.82 ft on 10/13/1997
(21) 28.82 ft on 05/12/1972
(22) 28.78 ft on 11/25/1985
(23) 28.52 ft on 05/19/2015
(24) 28.30 ft on 06/18/2015
(25) 28.28 ft on 06/24/1968
(26) 28.02 ft on 07/01/2004
(27) 27.63 ft on 04/15/1991
(28) 27.61 ft on 06/04/1987
(29) 27.53 ft on 11/04/1965
(30) 26.70 ft on 02/22/1969
(31) 26.63 ft on 05/27/2007
(32) 26.53 ft on 09/13/1978
(33) 26.50 ft on 06/25/2004
(34) 26.43 ft on 06/06/1965
(35) 26.40 ft on 08/05/1971
(36) 26.07 ft on 05/02/1994
(37) 25.95 ft on 05/21/1983
(38) 25.84 ft on 11/19/2007
(39) 25.65 ft on 03/10/2015
(40) 25.59 ft on 03/15/2001
(41) 25.58 ft on 06/22/1993
(42) 25.36 ft on 03/15/2004
(43) 25.29 ft on 05/16/2012
(44) 25.01 ft on 05/27/2015
(45) 24.80 ft on 05/15/2004
(46) 23.98 ft on 10/04/2009
(47) 23.69 ft on 02/24/1985
(48) 23.49 ft on 04/09/2002
(49) 22.71 ft on 05/15/1989
(50) 22.60 ft on 11/22/2004
(51) 22.53 ft on 06/02/1976
(52) 21.69 ft on 05/27/1970
(53) 21.39 ft on 05/27/2014
(54) 21.20 ft on 05/20/1980
(55) 20.90 ft on 02/18/1963
(56) 20.59 ft on 04/28/1962

(P): Preliminary values subject to further review.