Historic Crests
(1) 46.00 ft on 05/12/1882
(2) 44.82 ft on 04/03/1945
(3) 43.87 ft on 05/05/1958
(4) 43.08 ft on 05/17/1968
(5) 42.50 ft on 12/29/1987
(6) 41.16 ft on 12/28/2009
(7) 39.59 ft on 06/12/1974
(8) 39.40 ft on 03/12/1990
(9) 39.15 ft on 02/03/1969
(10) 39.12 ft on 05/10/2009
(11) 38.69 ft on 12/07/1993
(12) 38.50 ft on 04/23/1973
(13) 38.10 ft on 12/07/1982
(14) 37.53 ft on 02/21/2001
(15) 37.44 ft on 12/21/2001
(16) 37.40 ft on 04/02/1989
(17) 37.28 ft on 09/08/2008
(18) 36.87 ft on 10/17/2009
(19) 36.87 ft on 10/17/2009
(20) 36.45 ft on 01/20/2007
(21) 36.26 ft on 04/13/2008
(22) 36.00 ft on 03/17/2015
(23) 35.54 ft on 01/02/2016
(24) 35.39 ft on 05/07/1979
(25) 35.37 ft on 05/16/2015
(26) 35.14 ft on 03/24/2002
(27) 35.00 ft on 05/02/1991
(28) 34.96 ft on 05/08/2017
(29) 34.50 ft on 05/03/1997
(30) 34.16 ft on 03/17/1999
(31) 33.58 ft on 03/24/2008
(32) 33.43 ft on 04/30/2011
(33) 32.91 ft on 01/31/1994
(34) 32.82 ft on 06/22/2003
(35) 32.70 ft on 03/14/1992
(36) 32.63 ft on 01/11/2005
(37) 32.43 ft on 04/29/2015
(38) 32.21 ft on 12/05/1996
(39) 30.72 ft on 01/02/2001
(40) 30.69 ft on 01/22/1995
(41) 30.67 ft on 05/01/2015
(42) 30.42 ft on 09/21/2009
(43) 28.73 ft on 12/19/1994
(44) 28.40 ft on 02/21/2008
(45) 28.00 ft on 11/28/2000
(46) 27.08 ft on 04/24/2011
(47) 26.81 ft on 06/25/2000
(48) 26.18 ft on 04/15/2017

(P): Preliminary values subject to further review.