Historic Crests
(1) 26.80 ft on 07/11/1993
(2) 24.66 ft on 06/13/2008
(3) 21.54 ft on 06/26/2015
(4) 20.45 ft on 06/16/1998
(5) 19.83 ft on 06/13/1947
(6) 19.52 ft on 06/26/1947
(7) 19.45 ft on 05/24/2004
(8) 19.42 ft on 06/17/1990
(9) 19.38 ft on 07/02/1986
(10) 19.30 ft on 07/05/1973
(11) 19.17 ft on 04/27/2007
(12) 18.80 ft on 04/02/1960
(13) 18.42 ft on 05/31/1903
(14) 18.09 ft on 12/15/2015
(15) 17.92 ft on 03/18/2010
(16) 17.60 ft on 05/20/1974
(17) 17.40 ft on 03/21/1979
(18) 17.10 ft on 07/04/1958
(19) 16.70 ft on 06/06/1947
(20) 16.70 ft on 03/31/1951
(21) 16.44 ft on 06/01/2013
(22) 16.43 ft on 05/31/2013
(23) 16.36 ft on 07/04/1983
(24) 16.34 ft on 06/18/1984
(25) 16.30 ft on 06/12/1953
(26) 16.10 ft on 05/24/1944
(27) 16.05 ft on 03/20/1948
(28) 16.02 ft on 05/22/1999
(29) 15.90 ft on 04/06/1965
(30) 15.80 ft on 06/26/1954
(31) 15.59 ft on 02/22/2001
(32) 15.51 ft on 12/28/2008
(33) 15.40 ft on 04/02/1962
(34) 15.40 ft on 05/01/1951
(35) 15.36 ft on 06/08/1991
(36) 15.30 ft on 02/21/1971
(37) 15.03 ft on 05/13/2005
(38) 15.00 ft on 04/17/1973
(39) 14.87 ft on 09/21/1926
(40) 14.84 ft on 05/09/2003
(41) 14.80 ft on 03/26/1969
(42) 14.80 ft on 05/09/1973
(43) 14.80 ft on 04/28/2009
(44) 14.60 ft on 05/16/1944
(45) 14.40 ft on 06/04/1951
(46) 14.40 ft on 06/13/1967
(47) 14.31 ft on 09/10/2014
(48) 14.30 ft on 03/18/1965
(49) 13.93 ft on 02/19/1997
(50) 13.80 ft on 06/19/1957
(51) 13.80 ft on 04/02/1965
(52) 13.67 ft on 06/22/1996
(53) 13.17 ft on 06/21/2011
(54) 13.00 ft on 03/15/1973
(55) 12.82 ft on 03/11/1983
(56) 12.80 ft on 05/07/2001
(57) 12.70 ft on 10/02/1973
(58) 12.64 ft on 04/02/1983
(59) 12.60 ft on 03/18/1929
(60) 12.60 ft on 04/13/1983
(61) 12.50 ft on 06/21/1950
(62) 12.39 ft on 08/27/1987
(63) 12.24 ft on 05/21/2017
(64) 12.18 ft on 02/21/1982
(65) 11.34 ft on 05/29/1995
(66) 8.39 ft on 06/13/2002
(67) 7.99 ft on 05/03/2006
(68) 7.90 ft on 02/23/1985
(69) 7.85 ft on 09/09/1989
(70) 7.46 ft on 07/06/2000
(71) 7.31 ft on 04/15/2012

(P): Preliminary values subject to further review.