Historic Crests
(1) 1,602.48 ft on 04/17/1976
(2) 1,602.23 ft on 06/01/2011
(3) 1,602.04 ft on 05/14/1975
(4) 1,601.07 ft on 04/23/1943
(5) 1,600.92 ft on 05/16/1948
(6) 1,600.84 ft on 04/20/1955
(7) 1,600.51 ft on 04/26/1969
(8) 1,600.24 ft on 05/08/1979
(9) 1,600.05 ft on 07/25/1999
(10) 1,599.95 ft on 05/09/1974
(11) 1,599.82 ft on 04/23/1956
(12) 1,599.80 ft on 07/12/1953
(13) 1,599.80 ft on 05/03/1970
(14) 1,599.74 ft on 05/16/1951
(15) 1,599.41 ft on 04/04/1972
(16) 1,598.82 ft on 06/04/2009
(17) 1,598.74 ft on 07/16/2004
(18) 1,598.63 ft on 04/04/2005
(19) 1,598.18 ft on 05/07/2001
(20) 1,598.00 ft on 04/21/2001
(21) 1,597.87 ft on 04/06/2006
(22) 1,597.53 ft on 04/16/1999
(23) 1,597.33 ft on 07/04/2005
(24) 1,596.76 ft on 05/31/1997

(P): Preliminary values subject to further review.