Historic Crests
(1) 4,856.27 ft on 02/11/2017 (P)
(2) 4,854.42 ft on 03/16/2023 (P)
(3) 4,854.11 ft on 01/21/1969 (P)
(4) 4,853.58 ft on 03/27/1971 (P)
(5) 4,853.55 ft on 01/10/2017 (P)
(6) 4,853.32 ft on 03/24/2018 (P)
(7) 4,853.08 ft on 01/14/1980 (P)
(8) 4,853.06 ft on 02/28/2019 (P)
(9) 4,853.06 ft on 03/01/2019 (P)
(10) 4,852.70 ft on 01/13/2017 (P)
(11) 4,852.65 ft on 01/25/1970 (P)
(12) 4,852.57 ft on 03/17/2011 (P)
(13) 4,851.73 ft on 03/31/1974 (P)
(14) 4,851.31 ft on 03/27/1975 (P)
(15) 4,851.30 ft on 01/17/1978 (P)

(P): Preliminary values subject to further review.