Historic Crests
(1) 22.90 ft on 03/31/1945
(2) 21.20 ft on 12/11/1971
(3) 20.39 ft on 12/28/2015
(4) 20.28 ft on 05/01/1966
(5) 19.86 ft on 01/24/1980
(6) 19.70 ft on 12/18/2001
(7) 19.52 ft on 04/28/1958
(8) 19.47 ft on 03/09/1990
(9) 19.36 ft on 04/26/1966
(10) 19.34 ft on 06/17/2000
(11) 19.34 ft on 08/15/2017
(12) 19.31 ft on 11/25/1996
(13) 19.20 ft on 05/04/1990
(14) 19.13 ft on 11/06/1957
(15) 19.09 ft on 05/01/2016
(16) 18.91 ft on 02/17/2001
(17) 18.88 ft on 02/23/2018
(18) 18.86 ft on 11/30/2015
(19) 18.81 ft on 05/09/1995
(20) 18.67 ft on 03/10/2016
(21) 18.64 ft on 12/14/2015
(22) 18.60 ft on 03/22/2012
(23) 18.38 ft on 12/16/1992
(24) 18.37 ft on 10/21/1993
(25) 18.26 ft on 04/21/2016
(26) 18.17 ft on 10/22/2002
(27) 18.15 ft on 12/09/1960
(28) 18.15 ft on 10/11/2009
(29) 18.05 ft on 02/11/1965
(30) 18.04 ft on 05/12/1965
(31) 17.99 ft on 06/05/1990
(32) 17.99 ft on 03/31/1990
(33) 17.93 ft on 12/23/1991
(34) 17.91 ft on 05/30/1965
(35) 17.83 ft on 05/20/1999
(36) 17.80 ft on 02/06/2010
(37) 17.72 ft on 04/15/1991
(38) 17.72 ft on 03/30/1961
(39) 17.69 ft on 04/14/2017
(40) 17.52 ft on 05/28/2015
(41) 17.40 ft on 07/14/2007
(42) 17.20 ft on 04/30/1962
(43) 17.00 ft on 02/01/2010
(44) 16.88 ft on 02/26/2016
(45) 16.80 ft on 03/13/2012
(46) 16.60 ft on 06/12/2010
(47) 16.04 ft on 11/06/2015

(P): Preliminary values subject to further review.