Historic Crests
(1) 1,374.04 ft on 07/11/2011
(2) 1,372.17 ft on 05/07/1997
(3) 1,368.10 ft on 06/01/2010
(4) 1,367.76 ft on 06/01/1995
(5) 1,366.50 ft on 06/01/1967
(6) 1,365.30 ft on 04/01/2001
(7) 1,365.00 ft on 05/01/1972
(8) 1,364.40 ft on 06/01/1984
(9) 1,362.80 ft on 07/01/1975
(10) 1,362.50 ft on 04/01/1978
(11) 1,362.50 ft on 05/01/1970
(12) 1,362.40 ft on 04/01/1987
(13) 1,362.10 ft on 06/01/2008
(14) 1,362.00 ft on 05/01/1986
(15) 1,361.90 ft on 06/01/1971
(16) 1,361.11 ft on 06/28/1996
(17) 1,361.10 ft on 04/01/1979
(18) 1,361.00 ft on 05/01/1969
(19) 1,360.94 ft on 07/31/1993
(20) 1,360.78 ft on 06/30/1999
(21) 1,360.60 ft on 05/01/2007
(22) 1,360.00 ft on 06/01/1991
(23) 1,359.90 ft on 06/01/1983
(24) 1,359.70 ft on 04/01/1973
(25) 1,359.60 ft on 04/01/1977
(26) 1,359.20 ft on 06/01/1982
(27) 1,358.90 ft on 03/01/1989
(28) 1,358.90 ft on 05/01/1981
(29) 1,358.70 ft on 03/01/1980
(30) 1,358.40 ft on 05/01/2009
(31) 1,358.30 ft on 05/01/2006
(32) 1,358.02 ft on 05/31/1998
(33) 1,358.00 ft on 03/01/1976
(34) 1,357.69 ft on 06/21/2014
(35) 1,357.40 ft on 05/01/1988
(36) 1,357.40 ft on 06/01/2005
(37) 1,357.20 ft on 04/01/1985
(38) 1,357.20 ft on 06/01/1990
(39) 1,357.15 ft on 06/24/1994
(40) 1,356.85 ft on 04/30/2000
(41) 1,356.50 ft on 07/01/1992
(42) 1,356.40 ft on 05/01/2004
(43) 1,356.30 ft on 05/01/1974
(44) 1,356.10 ft on 08/01/2002
(45) 1,355.90 ft on 06/01/1968
(46) 1,354.70 ft on 04/01/2003

(P): Preliminary values subject to further review.