Historic Crests
(1) 226.60 ft on 04/30/1928
(2) 226.23 ft on 04/04/2009
(3) 225.40 ft on 04/04/1948
(4) 225.23 ft on 03/09/2020
(5) 224.57 ft on 02/28/2013
(6) 224.40 ft on 01/18/1993
(7) 224.26 ft on 04/01/2005
(8) 224.05 ft on 02/12/1986
(9) 223.99 ft on 03/08/1966
(10) 223.90 ft on 03/03/1939
(11) 223.62 ft on 03/05/1991
(12) 223.61 ft on 01/25/2010
(13) 223.60 ft on 04/23/1944
(14) 223.50 ft on 03/08/1964
(15) 223.48 ft on 04/05/1970
(16) 223.41 ft on 01/26/2017
(17) 223.30 ft on 04/18/1961
(18) 223.13 ft on 04/20/1975
(19) 223.13 ft on 12/07/2018
(20) 222.87 ft on 04/05/1973
(21) 222.80 ft on 03/09/1971
(22) 222.40 ft on 02/20/1965
(23) 222.30 ft on 04/21/1947
(24) 222.29 ft on 03/11/1984
(25) 222.04 ft on 12/26/2014
(26) 222.00 ft on 03/10/1959
(27) 222.00 ft on 04/12/2014
(28) 221.64 ft on 04/23/2014
(29) 221.48 ft on 02/17/2024
(30) 221.34 ft on 02/12/2020
(31) 221.21 ft on 02/09/2016
(32) 220.68 ft on 11/21/2018

(P): Preliminary values subject to further review.