Historic Crests
(1) 32.75 ft on 09/09/2011
(2) 32.70 ft on 03/09/1904
(3) 31.20 ft on 06/25/1972
(4) 28.64 ft on 06/28/2006
(5) 28.20 ft on 03/18/1865
(6) 27.80 ft on 03/19/1936
(7) 27.50 ft on 09/27/1975
(8) 27.12 ft on 09/19/2004
(9) 26.90 ft on 03/03/1902
(10) 26.86 ft on 01/21/1996
(11) 25.70 ft on 04/02/1940
(12) 25.20 ft on 05/29/1946
(13) 25.20 ft on 03/09/1979
(14) 25.09 ft on 04/04/2005
(15) 24.40 ft on 04/06/1984
(16) 24.20 ft on 12/15/1983
(17) 24.00 ft on 03/11/1964
(18) 23.50 ft on 02/14/1984
(19) 23.40 ft on 01/01/1943
(20) 23.40 ft on 03/16/1986
(21) 23.20 ft on 04/03/1993
(22) 22.80 ft on 04/02/1960
(23) 22.74 ft on 08/15/2018
(24) 22.67 ft on 03/07/1964
(25) 22.57 ft on 03/12/2011
(26) 22.50 ft on 03/13/1936
(27) 22.30 ft on 03/28/1913
(28) 22.20 ft on 04/12/1993
(29) 22.20 ft on 03/24/1948
(30) 22.00 ft on 12/16/1901
(31) 21.60 ft on 03/09/1956
(32) 21.40 ft on 03/30/2005
(33) 21.20 ft on 10/17/1955
(34) 21.10 ft on 03/30/1950
(35) 20.80 ft on 04/08/1958
(36) 20.60 ft on 04/16/1983
(37) 20.51 ft on 01/15/2005
(38) 20.39 ft on 12/27/2020 (P)
(39) 20.10 ft on 02/27/1961
(40) 19.80 ft on 03/26/1994

(P): Preliminary values subject to further review.