Historic Crests
(1) 24.37 ft on 06/08/1943
(2) 24.00 ft on 04/01/1945
(3) 22.15 ft on 04/29/1957
(4) 21.63 ft on 04/11/1942
(5) 21.53 ft on 12/11/1971
(6) 21.09 ft on 05/05/1990
(7) 20.84 ft on 12/29/2015
(8) 20.75 ft on 11/07/1946
(9) 20.65 ft on 05/04/1944
(10) 20.60 ft on 06/02/1946
(11) 20.60 ft on 04/30/1958
(12) 20.60 ft on 01/25/1938
(13) 20.24 ft on 05/19/1989
(14) 20.18 ft on 12/01/2015
(15) 19.91 ft on 05/02/1953
(16) 19.82 ft on 02/05/1950
(17) 19.80 ft on 07/08/2007
(18) 19.75 ft on 04/21/1976
(19) 19.62 ft on 05/09/1969
(20) 19.51 ft on 06/17/2000
(21) 19.22 ft on 05/01/2016
(22) 19.20 ft on 12/29/1991
(23) 19.00 ft on 12/19/2001
(24) 18.94 ft on 03/11/2016
(25) 18.87 ft on 11/10/1957
(26) 18.86 ft on 06/07/1973
(27) 18.77 ft on 02/27/1949
(28) 18.69 ft on 05/14/1948
(29) 18.65 ft on 05/17/1953
(30) 18.59 ft on 06/14/1941
(31) 18.58 ft on 02/14/1977
(32) 18.57 ft on 02/04/1975
(33) 18.57 ft on 10/14/2009
(34) 18.28 ft on 04/26/1952
(35) 18.28 ft on 05/06/1979
(36) 18.23 ft on 10/23/1993
(37) 18.22 ft on 04/29/1997
(38) 18.22 ft on 02/06/1986
(39) 18.14 ft on 05/13/1968
(40) 18.10 ft on 03/21/2012
(41) 18.06 ft on 12/13/1998
(42) 18.05 ft on 06/07/2016
(43) 18.03 ft on 10/18/1992
(44) 18.00 ft on 02/05/2010
(45) 17.99 ft on 05/28/2015
(46) 17.50 ft on 03/11/2015
(47) 17.30 ft on 11/20/2015
(48) 17.17 ft on 06/29/2015
(49) 17.10 ft on 03/14/2012
(50) 17.04 ft on 10/26/2015
(51) 16.20 ft on 12/24/2013
(52) 15.80 ft on 03/24/2015
(53) 15.63 ft on 04/01/2016
(54) 15.51 ft on 01/21/2017
(55) 15.10 ft on 02/27/2016

(P): Preliminary values subject to further review.