Historic Crests
(1) 40.15 ft on 10/31/2013
(2) 39.22 ft on 10/30/2015 (P)
(3) 38.00 ft on 09/09/1921
(4) 38.00 ft on 07/03/1869
(5) 36.50 ft on 11/16/2001
(6) 32.00 ft on 10/17/1998
(7) 30.50 ft on 12/21/1991
(8) 28.87 ft on 10/13/2013
(9) 25.96 ft on 06/11/1981
(10) 25.13 ft on 05/27/2016
(11) 23.80 ft on 06/09/1997
(12) 23.80 ft on 07/02/2002
(13) 23.78 ft on 11/22/2004
(14) 22.97 ft on 01/13/2007
(15) 22.93 ft on 05/26/2015
(16) 21.28 ft on 05/13/1982
(17) 21.19 ft on 05/20/2016
(18) 20.21 ft on 05/26/2015
(19) 19.79 ft on 06/04/1987
(20) 19.16 ft on 08/27/2017 (P)

(P): Preliminary values subject to further review.