Historic Crests
(1) 653.02 ft on 04/21/1965
(2) 651.43 ft on 04/18/2001
(3) 651.40 ft on 04/11/1997
(4) 650.80 ft on 04/19/1969
(5) 649.98 ft on 04/20/1952
(6) 649.82 ft on 06/26/1993
(7) 649.55 ft on 04/18/1951
(8) 649.35 ft on 04/07/1967
(9) 649.27 ft on 05/01/1975
(10) 649.27 ft on 04/15/2011
(11) 649.12 ft on 04/07/1986
(12) 648.96 ft on 05/07/1954
(13) 648.86 ft on 07/02/2014
(14) 648.21 ft on 04/25/1996
(15) 648.10 ft on 04/23/1982
(16) 647.95 ft on 06/22/1943
(17) 647.88 ft on 03/12/1983
(18) 647.81 ft on 03/20/1973
(19) 647.71 ft on 09/26/2010 (P)
(20) 647.48 ft on 04/17/1971
(21) 647.34 ft on 05/15/1950
(22) 647.34 ft on 05/24/2017 (P)
(23) 647.27 ft on 04/27/1979
(24) 647.23 ft on 04/19/2002
(25) 647.08 ft on 06/04/1942
(26) 647.01 ft on 05/17/2003

(P): Preliminary values subject to further review.