Precipitation annual maximum series (inches) Station ID: 34-4812 Station name: KEYSTONE DAM State: OK Latitude (decimal degrees): 36.1500 Longitude (decimal degrees): -96.2500 Elevation (feet): 705 Duration: 1 hour 09/06/1958 1.05 07/04/1960 3.27 05/08/1961 2.29 09/15/1962 2.57 06/26/1963 1.49 06/07/1964 1.31 09/19/1965 1.18 06/15/1966 1.05 06/10/1967 1.10 06/25/1968 1.38 08/15/1969 1.60 10/08/1970 1.49 09/04/1971 2.68 06/19/1972 1.14 09/12/1973 1.49 09/02/1974 1.50 08/17/1975 1.36 09/17/1976 0.90 09/11/1977 1.79 11/20/1979 0.98 06/16/1980 2.06 06/15/1981 0.70 09/19/1983 1.00 10/27/1984 0.73 04/29/1985 1.60 06/19/1987 1.50 03/27/1988 1.00 08/20/1989 1.30 06/05/1991 1.60 06/14/1992 1.10 05/08/1993 1.80 05/29/1994 1.70 06/09/1995 1.80 06/01/1996 1.50 Duration: 2 hours 07/12/1958 1.37 07/04/1960 3.94 05/08/1961 2.40 09/15/1962 3.60 06/26/1963 1.56 04/04/1964 2.10 09/21/1965 1.70 09/02/1966 1.21 04/12/1967 1.44 04/16/1968 1.61 08/15/1969 2.49 10/08/1970 1.72 09/04/1971 3.12 08/24/1972 1.42 09/12/1973 2.54 09/02/1974 2.15 08/17/1975 1.47 09/17/1976 1.02 09/11/1977 2.39 11/20/1979 1.29 06/16/1980 2.33 06/15/1981 1.20 05/12/1982 3.50 09/19/1983 1.09 10/27/1984 1.37 04/29/1985 1.71 06/19/1987 1.60 03/27/1988 1.80 03/27/1989 1.90 06/05/1991 1.70 06/14/1992 1.30 05/08/1993 2.90 06/09/1994 2.30 04/29/1995 2.50 06/01/1996 1.90 Duration: 3 hours 07/12/1958 1.41 07/04/1960 4.18 05/08/1961 2.45 09/15/1962 4.03 04/25/1963 1.59 04/04/1964 2.81 09/21/1965 2.11 09/02/1966 1.48 04/12/1967 1.55 06/25/1968 1.80 08/15/1969 3.35 10/08/1970 1.95 09/04/1971 3.54 10/21/1972 1.50 09/12/1973 2.59 09/02/1974 2.48 08/17/1975 1.56 09/17/1976 1.07 09/11/1977 3.10 11/20/1979 1.45 06/17/1980 2.66 10/31/1981 1.64 05/12/1982 4.17 09/19/1983 1.13 05/26/1984 1.58 02/22/1985 2.23 06/19/1987 1.63 03/27/1988 1.90 03/27/1989 2.10 06/05/1991 1.73 06/14/1992 1.33 05/08/1993 3.30 06/09/1994 2.40 06/09/1995 3.00 11/16/1996 2.00 Duration: 6 hours 08/08/1958 2.15 07/03/1960 4.70 05/08/1961 2.51 09/15/1962 4.53 07/11/1963 1.88 04/04/1964 4.33 09/20/1965 2.43 09/02/1966 1.74 05/05/1967 1.57 06/25/1968 1.90 08/15/1969 3.85 04/30/1970 2.31 09/04/1971 4.09 10/21/1972 1.83 09/12/1973 2.62 09/02/1974 2.78 01/30/1975 1.91 09/17/1976 1.19 09/11/1977 3.70 11/20/1979 1.91 06/17/1980 2.80 10/31/1981 2.76 05/12/1982 5.05 10/20/1983 2.06 05/26/1984 2.32 02/22/1985 3.04 11/15/1987 1.65 03/27/1988 2.30 03/27/1989 2.30 10/28/1991 2.10 11/11/1992 1.90 05/08/1993 3.60 06/09/1994 2.42 06/09/1995 3.80 11/06/1996 2.50 Duration: 12 hours 07/12/1958 2.72 07/03/1960 5.23 09/12/1961 2.89 09/15/1962 4.58 07/11/1963 2.41 04/04/1964 5.20 09/20/1965 2.45 09/02/1966 1.76 04/12/1967 2.10 06/25/1968 2.18 08/15/1969 3.89 04/30/1970 2.60 09/04/1971 4.13 10/21/1972 3.14 09/12/1973 2.65 09/19/1974 3.10 01/30/1975 2.30 08/01/1976 1.40 09/10/1977 3.74 06/08/1979 2.57 06/16/1980 5.00 10/31/1981 2.90 05/12/1982 5.41 10/19/1983 3.21 05/26/1984 2.50 02/22/1985 3.65 09/29/1986 5.40 09/09/1987 2.20 07/28/1988 3.20 03/27/1989 2.40 10/25/1991 2.40 11/11/1992 1.92 05/08/1993 4.40 06/09/1994 2.45 06/08/1995 4.20 11/06/1996 3.10 Duration: 1 day 09/24/1959 5.00 07/04/1960 4.67 09/13/1961 3.81 09/15/1962 4.09 07/11/1963 2.60 04/04/1964 5.26 09/21/1965 2.43 09/03/1966 2.11 04/13/1967 2.20 11/15/1968 2.34 10/13/1969 3.47 09/23/1970 2.99 09/05/1971 4.58 10/22/1972 3.81 08/09/1973 3.11 11/03/1974 4.29 01/31/1975 2.21 10/05/1976 1.75 09/12/1977 3.35 05/07/1978 2.05 08/11/1979 3.01 06/17/1980 5.97 10/31/1981 3.60 05/12/1982 5.80 10/20/1983 5.12 05/27/1984 2.65 02/23/1985 4.87 09/30/1986 6.07 09/10/1987 2.50 03/29/1988 2.86 09/13/1989 2.68 03/12/1990 3.64 10/26/1991 2.68 06/15/1992 1.96 05/09/1993 4.91 11/05/1994 3.12 06/10/1995 4.29 11/07/1996 3.12 Duration: 2 days 09/24/1959 6.68 07/04/1960 5.03 07/14/1961 4.10 09/15/1962 4.40 07/10/1963 2.80 04/04/1964 5.95 09/20/1965 4.25 09/02/1966 2.42 04/12/1967 3.03 11/15/1968 2.90 10/12/1969 5.66 09/23/1970 3.22 09/05/1971 7.73 10/21/1972 4.51 08/09/1973 3.35 11/03/1974 7.63 01/30/1975 2.48 10/05/1976 2.14 09/12/1977 4.01 05/07/1978 2.21 11/20/1979 3.50 06/17/1980 7.74 06/15/1981 4.15 05/12/1982 6.34 10/20/1983 5.96 05/27/1984 4.10 02/23/1985 5.24 09/30/1986 9.24 05/28/1987 2.88 03/29/1988 3.46 09/13/1989 3.52 03/12/1990 3.92 10/26/1991 2.89 04/19/1992 2.60 05/09/1993 5.58 11/05/1994 5.00 06/09/1995 5.13 11/07/1996 3.36 Duration: 3 days 09/24/1959 6.74 07/04/1960 5.15 07/15/1961 4.50 09/15/1962 4.56 07/11/1963 2.99 04/04/1964 6.30 09/20/1965 4.38 09/01/1966 2.59 09/04/1967 3.15 04/17/1968 2.93 10/11/1969 5.92 09/23/1970 3.25 09/05/1971 7.81 10/21/1972 4.56 08/09/1973 3.38 11/03/1974 7.70 01/31/1975 2.59 04/18/1976 2.68 09/12/1977 4.76 05/01/1978 3.80 11/20/1979 3.53 06/17/1980 7.82 06/15/1981 4.19 05/12/1982 6.40 10/19/1983 6.75 10/25/1984 4.24 02/21/1985 5.80 09/29/1986 9.33 05/28/1987 3.00 07/27/1988 3.49 09/13/1989 3.55 03/12/1990 5.03 10/26/1991 4.86 12/13/1992 3.15 05/09/1993 5.63 11/04/1994 5.05 06/09/1995 5.29 11/05/1996 3.39 Duration: 4 days 09/24/1959 6.81 07/04/1960 5.20 07/14/1961 5.09 09/15/1962 4.60 07/11/1963 4.09 04/04/1964 6.36 09/20/1965 4.42 09/01/1966 2.66 09/04/1967 3.39 04/17/1968 2.96 10/11/1969 5.98 06/02/1970 3.28 09/05/1971 7.89 10/21/1972 4.60 08/09/1973 3.42 11/03/1974 7.78 01/31/1975 2.79 04/18/1976 3.52 09/12/1977 5.44 05/01/1978 3.84 06/07/1979 3.57 06/17/1980 8.15 06/15/1981 4.23 05/12/1982 6.46 10/18/1983 6.82 12/13/1984 4.68 02/21/1985 6.10 09/30/1986 9.96 05/25/1987 3.82 03/29/1988 5.28 03/28/1989 3.62 03/12/1990 5.83 10/26/1991 4.91 12/12/1992 3.18 05/09/1993 5.69 11/03/1994 5.10 06/07/1995 6.08 11/04/1996 3.60 Duration: 7 days 09/30/1959 7.65 07/04/1960 5.25 07/12/1961 5.45 09/15/1962 5.73 07/10/1963 4.14 03/31/1964 6.42 09/15/1965 4.47 08/29/1966 2.95 04/09/1967 3.69 04/17/1968 4.06 10/11/1969 6.04 09/17/1970 4.50 09/05/1971 7.96 10/21/1972 4.65 11/20/1973 4.33 10/29/1974 10.38 01/30/1975 3.40 04/15/1976 3.64 09/11/1977 5.82 05/01/1978 5.86 06/06/1979 3.62 06/17/1980 8.23 10/26/1981 4.46 05/12/1982 7.90 10/17/1983 7.84 10/21/1984 4.74 02/21/1985 6.16 09/27/1986 11.17 05/24/1987 5.25 03/29/1988 5.60 03/28/1989 3.66 03/12/1990 5.89 10/24/1991 6.19 12/09/1992 4.37 05/09/1993 5.75 10/31/1994 5.56 06/04/1995 8.84 05/27/1996 3.95 Duration: 10 days 09/24/1959 11.84 06/27/1960 5.30 07/14/1961 6.78 09/08/1962 6.23 07/07/1963 5.13 03/31/1964 6.49 09/15/1965 4.51 08/29/1966 2.98 04/12/1967 4.87 04/17/1968 4.15 10/06/1969 6.10 09/14/1970 5.80 08/29/1971 8.04 10/22/1972 5.39 03/02/1973 5.75 10/26/1974 12.27 01/30/1975 3.46 04/13/1976 4.60 09/11/1977 5.88 04/29/1978 6.43 06/02/1979 3.69 06/17/1980 8.31 10/31/1981 6.09 05/12/1982 8.44 10/12/1983 8.37 10/25/1984 6.21 04/22/1985 6.77 09/27/1986 11.39 05/20/1987 6.05 09/16/1988 6.09 06/03/1989 3.97 03/06/1990 6.58 10/24/1991 7.09 12/06/1992 4.76 05/09/1993 5.81 10/31/1994 6.04 06/01/1995 9.72 05/27/1996 3.99 Duration: 20 days 09/24/1959 15.96 07/04/1960 8.60 07/07/1961 9.19 09/01/1962 10.84 06/27/1963 6.59 03/19/1964 7.00 09/03/1965 4.61 08/19/1966 3.53 04/09/1967 5.57 11/11/1968 4.42 10/11/1969 6.85 09/04/1970 6.24 09/05/1971 13.34 10/21/1972 7.39 03/06/1973 6.46 10/25/1974 14.00 04/28/1975 4.61 04/13/1976 5.59 08/29/1977 7.15 04/29/1978 7.05 06/06/1979 5.49 06/04/1980 8.31 10/12/1981 7.27 05/06/1982 10.57 10/04/1983 9.57 10/15/1984 8.30 05/27/1985 7.75 09/15/1986 12.52 05/22/1987 6.94 03/29/1988 6.64 05/16/1989 5.83 02/28/1990 8.49 10/24/1991 7.14 06/01/1992 6.85 04/29/1993 7.26 11/02/1994 8.32 05/24/1995 14.21 10/21/1996 6.33 Duration: 30 days 09/24/1959 15.96 07/04/1960 10.02 07/07/1961 9.19 08/24/1962 11.48 06/16/1963 7.70 03/08/1964 8.54 08/23/1965 7.12 04/09/1967 7.91 04/17/1968 6.56 09/15/1969 7.91 09/14/1970 8.63 08/22/1971 15.01 10/21/1972 10.02 03/24/1973 9.29 10/13/1974 15.47 04/28/1975 6.78 04/17/1976 6.16 08/19/1977 8.22 04/29/1978 10.39 06/07/1979 7.21 04/24/1980 9.03 10/12/1981 9.76 05/06/1982 13.76 10/04/1983 9.59 10/10/1984 8.45 02/21/1985 9.19 09/27/1986 14.26 05/22/1987 8.98 08/28/1988 8.45 05/16/1989 8.64 02/15/1990 11.24 10/24/1991 10.02 10/27/1992 9.20 08/31/1993 8.72 10/31/1994 8.54 05/18/1995 14.83 10/21/1996 8.49 Duration: 45 days 09/24/1959 17.85 06/20/1960 10.62 06/03/1961 12.27 09/04/1962 13.05 06/16/1963 8.71 03/31/1964 10.34 08/10/1965 8.71 04/09/1967 10.03 04/17/1968 7.94 05/07/1969 9.29 09/02/1970 10.99 08/12/1971 17.68 10/14/1972 10.41 03/10/1973 11.72 04/29/1974 17.00 05/02/1975 9.08 04/13/1976 8.59 08/12/1977 9.75 04/29/1978 11.36 06/02/1979 7.61 05/12/1980 12.67 10/08/1981 9.94 05/06/1982 15.60 09/13/1983 12.15 09/27/1984 9.07 04/22/1985 13.44 09/27/1986 15.65 05/22/1987 13.30 02/18/1988 11.13 05/14/1989 11.16 04/17/1990 13.20 10/24/1991 11.09 11/01/1992 12.69 03/30/1993 10.79 10/08/1994 11.42 04/29/1995 23.07 10/21/1996 9.46 Duration: 60 days 09/09/1959 18.15 06/02/1960 13.13 05/26/1961 14.06 08/31/1962 15.76 07/07/1963 10.40 04/04/1964 11.64 07/28/1965 9.21 04/18/1966 6.62 03/26/1967 10.99 03/11/1968 9.35 08/15/1969 12.19 08/19/1970 13.11 08/22/1971 20.79 09/23/1972 11.73 03/01/1973 16.11 09/13/1974 20.59 04/28/1975 10.43 04/13/1976 9.54 03/27/1977 10.73 04/29/1978 14.36 06/03/1979 8.51 04/24/1980 17.80 04/19/1981 10.97 04/29/1982 17.39 09/13/1983 12.35 10/20/1984 12.60 04/22/1985 15.87 09/15/1986 17.47 05/20/1987 14.74 02/19/1988 12.74 05/03/1989 12.49 03/06/1990 16.66 10/24/1991 14.80 10/27/1992 14.56 03/20/1993 12.91 09/22/1994 11.95 04/18/1995 26.98 09/15/1996 12.43