Historic Crests
(1) 48.70 ft on 02/10/1937
(2) 48.03 ft on 05/10/2011
(3) 45.80 ft on 04/23/1927
(4) 40.76 ft on 03/14/1997 (P)
(5) 40.50 ft on 05/08/1973
(6) 40.50 ft on 02/22/1950
(7) 40.32 ft on 03/07/1975
(8) 40.18 ft on 05/22/1961
(9) 39.59 ft on 01/08/2016
(10) 39.24 ft on 04/23/1979
(11) 39.20 ft on 04/06/1945
(12) 39.20 ft on 05/15/1983
(13) 39.17 ft on 06/01/1995 (P)
(14) 38.70 ft on 05/24/2002
(15) 38.70 ft on 05/18/1984
(16) 37.75 ft on 04/18/2008
(17) 37.33 ft on 04/23/1994
(18) 36.61 ft on 03/29/1963
(19) 36.52 ft on 03/22/2011
(20) 36.46 ft on 05/22/1996 (P)
(21) 36.36 ft on 02/07/1974
(22) 36.09 ft on 01/08/1991
(23) 35.99 ft on 05/14/2017
(24) 35.73 ft on 01/22/2005
(25) 35.45 ft on 04/02/1955
(26) 34.72 ft on 05/18/2009
(27) 34.25 ft on 05/08/1998
(28) 34.21 ft on 04/02/1978
(29) 34.04 ft on 05/19/2003
(30) 33.98 ft on 05/11/2013
(31) 33.28 ft on 04/17/1960
(32) 33.26 ft on 05/11/1970
(33) 33.13 ft on 03/26/1964
(34) 33.00 ft on 04/22/1938
(35) 32.99 ft on 04/12/1965
(36) 32.90 ft on 03/12/1985
(37) 32.83 ft on 05/11/2010
(38) 32.78 ft on 03/08/1971
(39) 32.78 ft on 05/03/1972
(40) 32.43 ft on 12/31/1990
(41) 32.30 ft on 02/07/1999
(42) 32.14 ft on 04/15/1993
(43) 32.12 ft on 07/15/2015
(44) 32.10 ft on 04/25/1947
(45) 31.99 ft on 04/08/1980
(46) 31.72 ft on 02/16/1969
(47) 31.70 ft on 05/07/1940
(48) 31.16 ft on 02/16/1957
(49) 30.90 ft on 12/14/1982
(50) 30.20 ft on 03/28/1942
(51) 29.88 ft on 05/16/1958
(52) 29.79 ft on 05/24/1967
(53) 29.37 ft on 12/16/2004
(54) 29.35 ft on 03/02/1956
(55) 29.20 ft on 03/19/1934
(56) 28.30 ft on 06/09/1968
(57) 27.86 ft on 02/27/1959
(58) 27.70 ft on 04/15/1977
(59) 27.70 ft on 03/03/2001
(60) 27.69 ft on 02/24/1966
(61) 26.24 ft on 04/15/2014
(62) 25.92 ft on 05/24/1953
(63) 25.89 ft on 01/21/2007
(64) 25.79 ft on 03/01/1976
(65) 24.90 ft on 05/26/1981
(66) 24.55 ft on 02/07/2012
(67) 23.47 ft on 12/26/1992
(68) 21.44 ft on 01/31/2006
(69) 21.26 ft on 03/01/2000
(70) 21.00 ft on 11/13/1941
(71) 19.15 ft on 01/30/1954

(P): Preliminary values subject to further review.