Historic Crests
(1) 32.40 ft on 03/14/1918
(2) 31.00 ft on 01/01/1861
(3) 30.30 ft on 06/24/2016
(4) 26.60 ft on 02/05/1932
(5) 26.50 ft on 07/04/1932
(6) 25.40 ft on 02/04/1939
(7) 23.60 ft on 05/12/1924
(8) 23.50 ft on 04/16/1932
(9) 23.00 ft on 03/01/1997
(10) 23.00 ft on 10/03/1929
(11) 22.80 ft on 03/15/1967
(12) 22.70 ft on 01/02/1919
(13) 22.60 ft on 01/30/1957
(14) 21.84 ft on 07/31/1996
(15) 20.96 ft on 11/19/2003
(16) 20.83 ft on 12/03/1991
(17) 20.50 ft on 12/04/1950
(18) 20.30 ft on 03/12/1917
(19) 20.10 ft on 02/01/1951
(20) 20.00 ft on 08/09/1958
(21) 19.70 ft on 07/21/1954
(22) 19.45 ft on 12/07/2013
(23) 18.57 ft on 02/26/1972
(24) 18.45 ft on 03/06/1955
(25) 18.40 ft on 01/26/1978
(26) 18.33 ft on 12/09/1978
(27) 18.23 ft on 12/30/1969
(28) 17.50 ft on 01/19/1996
(29) 16.71 ft on 03/05/2015
(30) 14.79 ft on 01/31/2013

(P): Preliminary values subject to further review.