Historic Crests
(1) 69.45 ft on 01/28/1937
(2) 66.40 ft on 03/30/1913
(3) 64.80 ft on 02/11/1884
(4) 61.60 ft on 04/16/1948
(5) 60.11 ft on 01/01/1943
(6) 59.86 ft on 03/09/1945
(7) 59.54 ft on 03/07/1955
(8) 58.82 ft on 03/22/1936
(9) 58.40 ft on 03/18/1907
(10) 57.52 ft on 03/05/1997
(11) 56.92 ft on 02/05/1939
(12) 56.66 ft on 04/23/1940
(13) 56.62 ft on 02/03/1950
(14) 56.36 ft on 03/09/1967
(15) 55.97 ft on 02/28/1962
(16) 55.32 ft on 05/09/1958
(17) 55.20 ft on 03/08/1963
(18) 54.79 ft on 03/13/1964
(19) 54.29 ft on 01/30/1952
(20) 54.24 ft on 02/27/1979
(21) 54.00 ft on 12/11/1978
(22) 53.92 ft on 02/28/1979
(23) 53.14 ft on 02/19/2018
(24) 53.10 ft on 12/09/1950
(25) 52.25 ft on 03/13/2011
(26) 52.25 ft on 03/13/2011
(27) 51.82 ft on 01/10/2005
(28) 51.72 ft on 01/02/1991
(29) 51.46 ft on 03/07/2015
(30) 51.28 ft on 09/20/2004
(31) 50.38 ft on 07/31/1994
(32) 50.10 ft on 01/13/1974
(33) 49.77 ft on 03/14/1935
(34) 49.67 ft on 01/24/1959
(35) 49.64 ft on 04/06/1977
(36) 49.59 ft on 11/30/1985
(37) 49.54 ft on 01/28/1978
(38) 49.47 ft on 03/14/2015
(39) 48.78 ft on 02/16/1966
(40) 48.77 ft on 02/25/2003
(41) 48.67 ft on 03/06/1993
(42) 48.66 ft on 03/15/1956
(43) 48.54 ft on 12/24/2018
(44) 48.26 ft on 05/28/1968
(45) 48.26 ft on 03/01/1961
(46) 47.34 ft on 01/29/1949
(47) 47.09 ft on 01/09/1946
(48) 46.84 ft on 04/10/1987
(49) 46.43 ft on 02/11/1957
(50) 44.93 ft on 04/03/1960
(51) 44.81 ft on 06/27/1972
(52) 44.22 ft on 04/14/1944
(53) 44.08 ft on 05/05/1983
(54) 43.25 ft on 04/05/1970
(55) 42.90 ft on 02/20/1976
(56) 42.63 ft on 02/24/1981
(57) 42.58 ft on 03/27/1965
(58) 42.55 ft on 02/16/1984
(59) 42.50 ft on 03/18/1942
(60) 42.28 ft on 02/27/1985
(61) 42.14 ft on 03/18/1982
(62) 40.34 ft on 12/22/1937
(63) 39.91 ft on 02/28/1971
(64) 38.70 ft on 02/05/1988
(65) 37.73 ft on 04/16/1980
(66) 37.42 ft on 01/22/1947
(67) 34.23 ft on 02/03/1969
(68) 32.93 ft on 03/04/1954
(69) 31.61 ft on 03/27/1953

(P): Preliminary values subject to further review.