Historic Crests
(1) 24.80 ft on 07/10/1950
(2) 22.62 ft on 07/01/1986
(3) 21.71 ft on 03/11/1993
(4) 21.24 ft on 06/08/2015
(5) 21.17 ft on 05/13/2005
(6) 20.58 ft on 07/22/1990
(7) 20.34 ft on 03/20/1969
(8) 20.28 ft on 03/30/1960
(9) 19.83 ft on 03/14/2019 (P)
(10) 19.51 ft on 03/25/1987
(11) 19.42 ft on 07/11/1997
(12) 19.21 ft on 06/04/1991
(13) 19.13 ft on 04/04/1969
(14) 18.82 ft on 05/22/1984
(15) 18.60 ft on 07/02/1982
(16) 18.43 ft on 03/07/1979
(17) 18.30 ft on 06/16/1967
(18) 18.07 ft on 09/01/2014
(19) 17.80 ft on 06/19/1983
(20) 17.71 ft on 06/11/1999
(21) 17.67 ft on 05/16/1985
(22) 17.55 ft on 07/05/2000
(23) 17.40 ft on 07/26/1992
(24) 17.29 ft on 06/17/1984
(25) 17.27 ft on 07/20/1985
(26) 16.90 ft on 03/16/1978
(27) 16.88 ft on 07/13/1972
(28) 16.66 ft on 05/28/1996
(29) 16.62 ft on 07/28/1990
(30) 16.53 ft on 06/25/2010
(31) 16.36 ft on 06/08/1965
(32) 15.75 ft on 09/10/1989
(33) 15.70 ft on 08/04/1990
(34) 15.10 ft on 03/14/1971
(35) 15.00 ft on 05/25/1965
(36) 14.93 ft on 06/15/1998
(37) 14.88 ft on 07/22/2008
(38) 14.76 ft on 10/15/1973
(39) 14.66 ft on 07/07/1959
(40) 14.23 ft on 10/01/1965
(41) 13.91 ft on 05/29/2016
(42) 13.91 ft on 05/25/1961
(43) 13.30 ft on 09/18/1977
(44) 13.04 ft on 03/22/1962
(45) 12.81 ft on 08/17/2006
(46) 12.73 ft on 06/10/1975
(47) 12.27 ft on 06/14/2001
(48) 12.14 ft on 08/30/2007
(49) 11.96 ft on 05/20/2017
(50) 11.75 ft on 01/21/1973
(51) 11.74 ft on 09/08/1958
(52) 11.45 ft on 06/03/1980
(53) 11.30 ft on 08/30/2009
(54) 10.55 ft on 08/16/1963
(55) 10.48 ft on 07/27/1968
(56) 10.40 ft on 07/04/2018
(57) 10.20 ft on 03/08/1994
(58) 10.18 ft on 05/30/1995
(59) 10.07 ft on 09/11/2003
(60) 9.84 ft on 10/16/1980
(61) 9.58 ft on 09/30/1988
(62) 9.10 ft on 06/15/1964
(63) 8.99 ft on 08/05/1970
(64) 8.83 ft on 07/07/2004
(65) 8.50 ft on 05/21/2011
(66) 8.25 ft on 05/24/1976
(67) 8.20 ft on 05/12/2002
(68) 6.32 ft on 04/15/2012
(69) 3.70 ft on 01/21/2013

(P): Preliminary values subject to further review.