Historic Crests
(1) 47.61 ft on 05/07/2011
(2) 46.00 ft on 02/05/1937
(3) 42.66 ft on 01/05/2016
(4) 42.40 ft on 04/04/1975
(5) 42.40 ft on 04/03/1973
(6) 42.21 ft on 03/11/1997 (P)
(7) 41.99 ft on 05/28/1995
(8) 41.60 ft on 05/21/2002
(9) 41.56 ft on 04/19/1979
(10) 41.40 ft on 05/18/1961
(11) 41.33 ft on 05/09/1983
(12) 41.00 ft on 05/17/1984
(13) 40.90 ft on 03/05/2018
(14) 40.84 ft on 03/27/2008
(15) 40.75 ft on 03/12/1945
(16) 40.70 ft on 01/18/1950
(17) 40.47 ft on 04/18/1994
(18) 40.20 ft on 05/19/1996 (P)
(19) 40.20 ft on 03/19/2011
(20) 39.90 ft on 06/01/1943
(21) 39.65 ft on 01/19/2005
(22) 39.46 ft on 01/04/1991
(23) 39.41 ft on 05/10/2017
(24) 39.40 ft on 01/19/1946
(25) 39.30 ft on 02/02/1974
(26) 39.30 ft on 04/04/1948
(27) 39.25 ft on 04/30/1944
(28) 39.10 ft on 03/26/1963
(29) 39.00 ft on 04/15/1936
(30) 38.80 ft on 03/30/1978
(31) 38.80 ft on 03/29/1952
(32) 38.70 ft on 04/06/1933
(33) 38.35 ft on 02/01/1949
(34) 38.32 ft on 05/16/2009
(35) 38.29 ft on 04/24/1998 (P)
(36) 38.15 ft on 03/20/1939
(37) 37.95 ft on 03/17/1962
(38) 37.90 ft on 03/29/1955
(39) 37.80 ft on 03/24/1935
(40) 37.80 ft on 02/16/1932
(41) 37.70 ft on 12/31/1990
(42) 37.70 ft on 05/10/2013
(43) 37.32 ft on 05/17/2003
(44) 37.29 ft on 02/05/1999
(45) 37.20 ft on 05/08/1970
(46) 36.70 ft on 02/28/1951
(47) 36.63 ft on 12/10/1982
(48) 36.50 ft on 04/29/1972
(49) 36.50 ft on 03/06/1971
(50) 36.39 ft on 05/09/2010
(51) 36.38 ft on 04/05/1980
(52) 36.37 ft on 04/11/1993
(53) 36.29 ft on 07/10/2015
(54) 35.90 ft on 02/14/1969
(55) 35.90 ft on 03/25/1964
(56) 35.85 ft on 04/14/1960
(57) 35.80 ft on 04/21/1947
(58) 35.50 ft on 04/11/1965
(59) 34.87 ft on 02/27/1989
(60) 34.20 ft on 04/17/1938
(61) 34.05 ft on 12/13/2004
(62) 33.97 ft on 02/14/1957
(63) 33.40 ft on 05/05/1940
(64) 32.80 ft on 03/26/1942
(65) 32.60 ft on 07/29/1958
(66) 32.40 ft on 06/08/1968
(67) 32.03 ft on 02/28/1956
(68) 32.00 ft on 05/21/1967
(69) 31.44 ft on 03/01/2001
(70) 31.40 ft on 05/25/1981
(71) 31.00 ft on 02/27/1976
(72) 31.00 ft on 03/17/1934
(73) 30.93 ft on 04/11/2014
(74) 30.90 ft on 02/21/1966
(75) 30.76 ft on 03/27/2007
(76) 30.46 ft on 04/20/1987
(77) 30.13 ft on 10/12/1986
(78) 30.10 ft on 12/23/1931
(79) 29.93 ft on 02/07/2012
(80) 29.76 ft on 02/23/1959
(81) 29.75 ft on 01/01/1988
(82) 29.23 ft on 12/25/1992
(83) 27.85 ft on 05/23/1953
(84) 27.33 ft on 02/29/2000
(85) 26.69 ft on 01/31/2006
(86) 22.72 ft on 11/12/1941
(87) 21.70 ft on 01/28/1954

(P): Preliminary values subject to further review.