Historic Crests
(1) 45.90 ft on 08/10/1849
(2) 45.70 ft on 05/28/1892
(3) 45.10 ft on 06/15/1908
(4) 44.70 ft on 02/08/1890
(5) 44.40 ft on 04/02/1894
(6) 44.10 ft on 12/15/1902
(7) 43.60 ft on 06/09/1905
(8) 43.10 ft on 03/22/1903
(9) 42.70 ft on 05/14/1884
(10) 41.90 ft on 02/03/1889
(11) 41.90 ft on 07/28/1876
(12) 41.40 ft on 02/21/1882
(13) 40.30 ft on 07/29/1895
(14) 40.30 ft on 05/19/1888
(15) 40.20 ft on 05/11/1885
(16) 39.80 ft on 05/11/1877
(17) 39.10 ft on 01/01/1893
(18) 39.00 ft on 05/09/1915
(19) 38.50 ft on 06/24/1904
(20) 38.40 ft on 01/31/1878
(21) 38.30 ft on 04/07/1945
(22) 37.90 ft on 04/28/1874
(23) 37.40 ft on 04/30/1927
(24) 37.30 ft on 03/07/1881
(25) 37.14 ft on 06/09/2015
(26) 36.90 ft on 06/13/1907
(27) 36.10 ft on 05/27/1920
(28) 35.90 ft on 05/26/1930
(29) 35.80 ft on 04/22/1875
(30) 35.50 ft on 02/10/1916
(31) 35.50 ft on 06/08/1873
(32) 35.30 ft on 03/11/1883
(33) 35.20 ft on 02/12/1891
(34) 34.90 ft on 05/16/1879
(35) 34.50 ft on 05/15/1990
(36) 34.10 ft on 04/11/1897
(37) 33.70 ft on 05/08/1958
(38) 33.50 ft on 03/01/1938
(39) 33.20 ft on 04/04/1880
(40) 32.93 ft on 04/10/1914
(41) 32.82 ft on 06/11/1957
(42) 32.60 ft on 05/29/1935
(43) 32.60 ft on 01/02/1906
(44) 32.39 ft on 05/04/2016
(45) 31.79 ft on 03/15/2016
(46) 31.70 ft on 01/31/1932
(47) 31.50 ft on 10/31/1919
(48) 31.40 ft on 05/05/1942
(49) 31.39 ft on 03/04/2018
(50) 31.30 ft on 05/05/1922
(51) 31.26 ft on 05/11/2019
(52) 31.05 ft on 06/30/2015
(53) 30.40 ft on 12/26/1923
(54) 29.80 ft on 03/05/2001
(55) 29.60 ft on 05/05/1966
(56) 29.45 ft on 11/01/2009
(57) 29.40 ft on 03/15/2001
(58) 29.30 ft on 04/14/1912
(59) 29.30 ft on 02/20/2001
(60) 28.40 ft on 05/03/1921
(61) 28.00 ft on 05/11/1941
(62) 27.80 ft on 05/09/1944
(63) 27.50 ft on 05/27/1929
(64) 27.50 ft on 11/29/1996
(65) 27.40 ft on 02/25/1996
(66) 27.40 ft on 05/20/1953
(67) 26.90 ft on 04/25/1918
(68) 26.80 ft on 12/30/1887
(69) 26.70 ft on 02/18/1950
(70) 26.50 ft on 05/12/1995
(71) 26.50 ft on 04/29/1973
(72) 26.40 ft on 02/02/1949
(73) 26.40 ft on 06/07/1901
(74) 26.30 ft on 12/27/1926

(P): Preliminary values subject to further review.