Low Water Records for Belle Fourche River at Keyhole Reservoir
(1) 4,046.35 ft on 03/09/1955
(2) 4,048.66 ft on 06/13/1953
(3) 4,048.95 ft on 09/30/1954
(4) 4,049.10 ft on 01/13/1962
(5) 4,049.35 ft on 09/30/1961
(6) 4,049.88 ft on 02/01/1959
(7) 4,050.27 ft on 09/30/1958
(8) 4,050.99 ft on 02/10/1960
(9) 4,052.51 ft on 09/29/1957
(10) 4,054.15 ft on 09/28/1956
(11) 4,060.32 ft on 11/01/1993
(12) 4,060.58 ft on 09/30/1992
(13) 4,066.74 ft on 09/25/1991
(14) 4,067.27 ft on 09/30/1990
(15) 4,070.73 ft on 09/18/1989
(16) 4,071.51 ft on 12/12/1982
(17) 4,071.92 ft on 09/30/1981
(18) 4,074.43 ft on 09/10/1983
(19) 4,074.61 ft on 10/07/1983
(20) 4,075.49 ft on 09/30/1988
(21) 4,076.02 ft on 11/12/1985
(22) 4,076.26 ft on 09/29/1985
(23) 4,076.87 ft on 10/17/2006
(24) 4,076.88 ft on 09/20/2006
(25) 4,078.02 ft on 11/19/2007
(26) 4,078.48 ft on 10/01/1986
(27) 4,078.57 ft on 01/11/1963
(28) 4,079.52 ft on 10/08/1993
(29) 4,081.22 ft on 12/31/1963
(30) 4,081.75 ft on 09/27/2005
(31) 4,083.58 ft on 10/01/1994
(32) 4,084.85 ft on 10/19/2008
(33) 4,085.38 ft on 09/30/2004
(34) 4,086.59 ft on 09/30/1980
(35) 4,087.42 ft on 12/06/2009
(36) 4,087.52 ft on 10/01/1995
(37) 4,087.64 ft on 11/28/1977
(38) 4,087.88 ft on 09/21/1977
(39) 4,088.45 ft on 11/30/1968
(40) 4,088.45 ft on 09/30/2003
(41) 4,088.47 ft on 11/29/1971
(42) 4,088.53 ft on 12/14/1966
(43) 4,088.76 ft on 09/29/1970
(44) 4,088.78 ft on 09/25/1966
(45) 4,088.93 ft on 09/30/1968
(46) 4,089.16 ft on 11/29/1964
(47) 4,089.39 ft on 09/30/2002
(48) 4,091.06 ft on 11/28/1975
(49) 4,091.42 ft on 09/30/1975
(50) 4,091.89 ft on 09/30/1974
(51) 4,092.95 ft on 10/15/1996
(52) 4,093.07 ft on 09/30/1979
(53) 4,093.78 ft on 10/01/1971
(54) 4,094.32 ft on 09/30/1973
(55) 4,095.12 ft on 09/30/2001
(56) 4,095.36 ft on 09/30/2000
(57) 4,096.94 ft on 12/11/1997
(58) 4,097.20 ft on 09/30/1999