Historic Crests
(1) 412.86 ft on 02/23/1961
(2) 412.55 ft on 03/30/1951
(3) 412.48 ft on 04/09/1938
(4) 411.44 ft on 04/14/1979
(5) 410.95 ft on 02/05/1936
(6) 410.75 ft on 11/30/1948
(7) 409.40 ft on 01/21/1947
(8) 407.44 ft on 05/09/2003
(9) 407.07 ft on 03/17/1990
(10) 405.62 ft on 12/19/1962
(11) 405.49 ft on 12/26/2015 (P)
(12) 405.37 ft on 03/21/1980
(13) 404.91 ft on 02/03/1996
(14) 404.27 ft on 12/06/1983
(15) 403.98 ft on 06/22/1989
(16) 403.80 ft on 03/11/2011 (P)
(17) 403.80 ft on 03/11/2010
(18) 403.77 ft on 03/08/1996
(19) 403.72 ft on 05/21/1983
(20) 403.65 ft on 03/22/1942
(21) 403.19 ft on 04/08/2014 (P)
(22) 402.97 ft on 04/08/2014 (P)
(23) 402.79 ft on 12/29/2018 (P)
(24) 402.37 ft on 05/19/2013 (P)
(25) 402.16 ft on 03/03/1997
(26) 402.00 ft on 02/25/2016 (P)
(27) 400.20 ft on 04/06/2017
(28) 398.86 ft on 03/12/2012

(P): Preliminary values subject to further review.