Historic Crests
(1) 62.48 ft on 01/01/1865
(2) 61.35 ft on 06/30/1954
(3) 52.50 ft on 09/04/1932
(4) 42.45 ft on 07/09/2010
(5) 38.98 ft on 06/30/1971
(6) 35.02 ft on 08/27/1998
(7) 33.14 ft on 07/01/1971
(8) 32.05 ft on 07/21/1975
(9) 31.63 ft on 10/06/1971
(10) 27.66 ft on 09/27/1974
(11) 21.87 ft on 06/17/2013
(12) 21.23 ft on 06/05/1979
(13) 20.34 ft on 07/19/1976
(14) 20.18 ft on 04/07/2004
(15) 20.01 ft on 10/13/2003
(16) 19.52 ft on 05/28/1980
(17) 19.46 ft on 08/13/1980
(18) 19.29 ft on 08/02/1971
(19) 17.91 ft on 09/13/1971
(20) 17.59 ft on 10/07/1973
(21) 17.39 ft on 05/23/1977
(22) 17.39 ft on 10/21/1985
(23) 17.26 ft on 10/01/1974
(24) 17.19 ft on 05/10/1972
(25) 17.18 ft on 06/23/2014
(26) 17.04 ft on 04/18/2010
(27) 16.70 ft on 09/20/1983
(28) 16.60 ft on 05/28/1975
(29) 16.01 ft on 06/03/1986
(30) 15.85 ft on 11/06/1978
(31) 15.55 ft on 10/22/1983
(32) 15.52 ft on 10/13/1984
(33) 14.96 ft on 04/28/1990
(34) 14.37 ft on 05/08/1976
(35) 14.11 ft on 06/17/1981
(36) 14.00 ft on 06/20/2014
(37) 13.64 ft on 06/07/1987
(38) 13.58 ft on 08/26/1976
(39) 13.52 ft on 09/03/1976
(40) 13.35 ft on 09/28/1970
(41) 13.25 ft on 04/25/1982
(42) 12.86 ft on 05/27/2010
(43) 12.72 ft on 10/15/2013
(44) 12.13 ft on 10/01/2012
(45) 12.11 ft on 07/23/1992
(46) 11.94 ft on 09/26/2008
(47) 11.76 ft on 05/09/1994
(48) 11.48 ft on 05/29/1995
(49) 11.41 ft on 09/04/1991
(50) 11.08 ft on 10/10/2015
(51) 10.95 ft on 04/04/2017
(52) 10.85 ft on 05/10/2007
(53) 10.47 ft on 06/19/1993
(54) 10.47 ft on 09/20/1991
(55) 10.46 ft on 08/22/2016
(56) 9.68 ft on 10/06/2004
(57) 9.35 ft on 07/17/2002
(58) 9.21 ft on 09/24/1988
(59) 8.92 ft on 04/28/2013
(60) 8.14 ft on 04/17/2017
(61) 8.10 ft on 04/12/2017
(62) 7.71 ft on 05/17/1982
(63) 7.40 ft on 07/03/2002
(64) 6.85 ft on 01/16/2017
(65) 6.53 ft on 09/28/2016
(66) 6.35 ft on 06/14/1989
(67) 5.61 ft on 11/06/2016
(68) 5.49 ft on 09/15/2016
(69) 3.33 ft on 12/06/2016
(70) 3.24 ft on 03/23/2015

(P): Preliminary values subject to further review.