Historic Crests
(1) 1,514.60 ft on 03/17/1995
(2) 1,513.23 ft on 04/07/1949
(3) 1,511.85 ft on 04/22/1979
(4) 1,511.35 ft on 04/11/1969
(5) 1,510.71 ft on 04/15/2009
(6) 1,510.48 ft on 04/06/1956
(7) 1,510.36 ft on 04/07/1971
(8) 1,510.13 ft on 04/14/1996
(9) 1,510.10 ft on 04/15/2011
(10) 1,510.03 ft on 03/26/1976
(11) 1,509.82 ft on 04/04/1982
(12) 1,509.64 ft on 03/24/1999
(13) 1,509.51 ft on 03/15/1995
(14) 1,509.14 ft on 03/29/1978
(15) 1,509.03 ft on 04/07/1952
(16) 1,509.03 ft on 05/27/1987
(17) 1,509.01 ft on 06/10/2013 (P)
(18) 1,508.99 ft on 03/30/1980
(19) 1,508.96 ft on 05/02/1975
(20) 1,508.95 ft on 03/25/2001
(21) 1,508.93 ft on 04/09/1951
(22) 1,508.93 ft on 04/09/1997
(23) 1,508.93 ft on 05/02/1970
(24) 1,508.82 ft on 03/31/1989
(25) 1,508.71 ft on 04/02/1943
(26) 1,508.64 ft on 03/24/1994
(27) 1,508.60 ft on 03/24/1972
(28) 1,508.59 ft on 03/09/1986
(29) 1,508.57 ft on 05/16/1999
(30) 1,508.52 ft on 04/01/1960
(31) 1,508.47 ft on 03/29/1998
(32) 1,508.38 ft on 04/19/1948
(33) 1,508.24 ft on 03/25/1939
(34) 1,508.22 ft on 05/16/1950
(35) 1,508.22 ft on 03/28/2004
(36) 1,508.19 ft on 03/22/1966
(37) 1,508.18 ft on 03/27/2004
(38) 1,508.18 ft on 03/29/1967
(39) 1,508.02 ft on 03/26/2014
(40) 1,507.83 ft on 03/26/1983
(41) 1,507.69 ft on 05/11/1984
(42) 1,507.61 ft on 04/09/2010
(43) 1,507.60 ft on 08/07/1965
(44) 1,507.52 ft on 06/15/1999
(45) 1,507.50 ft on 03/22/2003
(46) 1,507.47 ft on 03/10/2015
(47) 1,507.45 ft on 06/23/1954
(48) 1,507.38 ft on 04/05/1955
(49) 1,507.31 ft on 03/30/2003
(50) 1,507.26 ft on 04/05/1998
(51) 1,507.19 ft on 06/28/1964
(52) 1,507.15 ft on 03/13/2005
(53) 1,507.09 ft on 04/16/1974
(54) 1,506.99 ft on 03/25/1985
(55) 1,506.99 ft on 04/16/1947
(56) 1,506.95 ft on 04/13/1942
(57) 1,506.94 ft on 04/03/1953
(58) 1,506.85 ft on 03/14/2007
(59) 1,506.51 ft on 08/19/1999
(60) 1,506.45 ft on 03/28/2005
(61) 1,506.30 ft on 03/17/1938
(62) 1,506.29 ft on 03/28/2015
(63) 1,506.29 ft on 03/08/1968
(64) 1,506.28 ft on 03/26/1962
(65) 1,506.23 ft on 09/05/1999
(66) 1,505.80 ft on 03/11/2012
(67) 1,504.46 ft on 03/12/2016

(P): Preliminary values subject to further review.