Historic Crests
(1) 29.38 ft on 12/09/1978
(2) 29.35 ft on 02/03/1939
(3) 28.76 ft on 03/02/1997
(4) 28.60 ft on 02/27/1962
(5) 26.70 ft on 12/31/1943
(6) 26.20 ft on 03/07/1967
(7) 25.60 ft on 02/02/1951
(8) 25.10 ft on 05/28/1968
(9) 25.01 ft on 02/01/1950
(10) 24.88 ft on 11/28/1974
(11) 24.13 ft on 04/03/1948
(12) 23.70 ft on 12/31/1970
(13) 23.28 ft on 12/15/1957
(14) 23.18 ft on 04/05/1977
(15) 23.06 ft on 01/26/1978
(16) 22.90 ft on 03/05/2015
(17) 22.47 ft on 03/26/1965
(18) 22.22 ft on 03/06/1955
(19) 21.80 ft on 03/01/1945
(20) 21.50 ft on 03/23/1952
(21) 21.45 ft on 03/15/1956
(22) 21.12 ft on 02/26/1972
(23) 20.30 ft on 06/09/1947
(24) 20.21 ft on 12/18/2019
(25) 20.20 ft on 01/08/1946
(26) 19.93 ft on 04/28/1958
(27) 19.76 ft on 12/10/1973
(28) 19.64 ft on 04/12/1944
(29) 19.54 ft on 03/22/1976
(30) 19.42 ft on 06/14/1971
(31) 19.40 ft on 05/07/2018
(32) 19.00 ft on 08/25/1942
(33) 18.88 ft on 03/13/1975
(34) 18.80 ft on 06/16/1961
(35) 18.59 ft on 03/12/1963
(36) 18.52 ft on 05/01/1966
(37) 18.00 ft on 04/20/1940
(38) 16.50 ft on 12/16/1948
(39) 16.39 ft on 12/14/1979
(40) 16.14 ft on 02/12/2020

(P): Preliminary values subject to further review.