Historic Crests
(1) 892.03 ft on 07/11/1993
(2) 891.03 ft on 06/12/2008
(3) 889.25 ft on 06/22/1984
(4) 889.15 ft on 07/01/2010
(5) 888.99 ft on 06/11/1991
(6) 883.59 ft on 04/06/1979
(7) 881.20 ft on 04/22/1983
(8) 878.91 ft on 05/14/2001
(9) 877.57 ft on 07/06/2014
(10) 871.29 ft on 07/03/2011
(11) 871.15 ft on 06/26/1990
(12) 870.18 ft on 07/02/1998
(13) 870.16 ft on 05/31/2004
(14) 869.57 ft on 06/18/1999
(15) 869.52 ft on 05/12/2007
(16) 865.83 ft on 12/22/2015
(17) 865.32 ft on 06/27/1996
(18) 865.20 ft on 06/05/2013
(19) 862.34 ft on 08/28/2007
(20) 861.16 ft on 06/05/1995
(21) 860.39 ft on 10/17/1986
(22) 858.91 ft on 05/24/1986
(23) 857.81 ft on 09/02/1979
(24) 855.54 ft on 07/28/1982
(25) 853.39 ft on 03/22/2007
(26) 851.70 ft on 07/11/1994
(27) 850.59 ft on 09/30/2016
(28) 849.81 ft on 07/14/2003
(29) 849.50 ft on 05/20/2005
(30) 848.27 ft on 04/20/1998
(31) 847.73 ft on 05/11/2003
(32) 847.53 ft on 05/04/2009
(33) 847.07 ft on 06/30/2005
(34) 847.04 ft on 05/13/1997
(35) 845.47 ft on 06/29/2015
(36) 845.04 ft on 03/12/1993
(37) 844.90 ft on 02/22/1984
(38) 843.92 ft on 05/07/2016
(39) 843.71 ft on 02/25/2016
(40) 843.43 ft on 06/28/2009
(41) 843.32 ft on 03/24/1986
(42) 842.92 ft on 03/14/2009
(43) 842.81 ft on 09/01/2015
(44) 842.72 ft on 11/27/1992
(45) 842.60 ft on 07/01/2003
(46) 842.34 ft on 05/05/2017
(47) 842.27 ft on 11/02/2009
(48) 842.06 ft on 03/26/1982
(49) 841.67 ft on 09/29/2014
(50) 841.37 ft on 04/26/1992
(51) 841.36 ft on 03/29/1991
(52) 841.00 ft on 03/15/1992
(53) 841.00 ft on 07/01/1981
(54) 840.49 ft on 12/03/2001
(55) 840.41 ft on 02/25/1997
(56) 840.38 ft on 11/19/1996
(57) 840.35 ft on 04/23/1982
(58) 840.21 ft on 06/08/2000
(59) 840.12 ft on 03/17/2008
(60) 840.09 ft on 09/01/1987
(61) 839.93 ft on 05/11/2006
(62) 839.72 ft on 03/15/1997
(63) 839.59 ft on 06/24/1997
(64) 839.51 ft on 05/27/1998
(65) 839.48 ft on 03/08/1994
(66) 839.40 ft on 09/09/1985
(67) 839.34 ft on 01/09/1986
(68) 839.09 ft on 11/02/1994
(69) 839.07 ft on 05/27/1989
(70) 839.03 ft on 11/30/1991
(71) 838.97 ft on 12/15/1991
(72) 838.90 ft on 05/15/2002
(73) 838.83 ft on 06/17/2015
(74) 838.83 ft on 02/26/1995
(75) 838.79 ft on 03/15/1995
(76) 838.79 ft on 10/26/2005
(77) 838.76 ft on 11/05/1998
(78) 838.71 ft on 05/16/2014
(79) 838.66 ft on 07/18/1992
(80) 838.66 ft on 10/30/2002
(81) 838.58 ft on 10/13/1997
(82) 838.57 ft on 05/11/1998
(83) 838.51 ft on 11/26/2000
(84) 838.41 ft on 06/18/1980
(85) 838.35 ft on 10/29/1995
(86) 838.35 ft on 02/22/1994
(87) 838.29 ft on 07/14/1987
(88) 838.28 ft on 03/07/2008
(89) 838.27 ft on 11/29/2006
(90) 838.20 ft on 04/18/1987
(91) 838.11 ft on 11/12/2010
(92) 838.02 ft on 02/23/2017
(93) 837.98 ft on 02/20/1992
(94) 837.98 ft on 12/29/1982
(95) 837.90 ft on 11/04/2004
(96) 837.81 ft on 02/24/2011
(97) 837.79 ft on 04/10/1997
(98) 837.77 ft on 12/03/2007
(99) 837.77 ft on 04/03/2008
(100) 837.61 ft on 04/07/2006
(101) 837.60 ft on 04/16/1995
(102) 837.60 ft on 04/28/1995
(103) 837.59 ft on 06/06/2014
(104) 837.59 ft on 05/18/1998
(105) 837.57 ft on 02/13/2009
(106) 837.55 ft on 12/01/2008
(107) 837.53 ft on 08/17/1986
(108) 837.52 ft on 07/25/1997
(109) 837.51 ft on 09/12/2016
(110) 837.41 ft on 03/03/2004
(111) 837.41 ft on 06/16/1994
(112) 837.40 ft on 12/14/1984
(113) 837.40 ft on 03/13/1985
(114) 837.34 ft on 08/20/2015
(115) 837.32 ft on 03/09/2017
(116) 837.28 ft on 06/20/1992
(117) 837.27 ft on 05/19/2015
(118) 837.26 ft on 03/06/1991
(119) 837.25 ft on 12/05/2003
(120) 837.25 ft on 04/16/2012
(121) 837.22 ft on 12/04/2011
(122) 837.20 ft on 02/22/1998
(123) 837.19 ft on 02/16/1999
(124) 837.19 ft on 06/09/1994
(125) 837.19 ft on 06/18/2016
(126) 837.17 ft on 11/09/2011
(127) 837.15 ft on 05/29/2009
(128) 837.14 ft on 12/10/2003
(129) 837.12 ft on 03/06/1986
(130) 837.12 ft on 03/20/1991
(131) 837.11 ft on 11/17/1995
(132) 837.11 ft on 05/11/1988
(133) 837.10 ft on 12/22/2014
(134) 837.10 ft on 12/17/1985
(135) 837.09 ft on 12/29/2008
(136) 837.09 ft on 05/07/2013
(137) 837.09 ft on 08/02/1992
(138) 837.08 ft on 07/11/1978
(139) 837.08 ft on 07/25/1992
(140) 837.08 ft on 09/12/2006
(141) 837.06 ft on 01/05/2015
(142) 837.06 ft on 06/03/1994
(143) 837.06 ft on 04/07/1988
(144) 837.05 ft on 04/01/1996
(145) 837.05 ft on 09/22/2010
(146) 837.03 ft on 09/11/2015
(147) 837.01 ft on 09/13/2015

(P): Preliminary values subject to further review.