Precipitation annual maximum series (inches) Station ID: 34-4098 Station name: HEYBURN DAM State: OK Latitude (decimal degrees): 35.9500 Longitude (decimal degrees): -96.2833 Elevation (feet): 831 Duration: 1 hour 07/10/1950 1.90 06/30/1951 1.20 07/03/1952 2.04 06/23/1953 1.05 04/30/1954 1.05 10/14/1956 0.80 04/18/1957 1.48 05/31/1958 2.10 07/26/1959 2.01 07/22/1960 2.16 06/07/1962 3.29 07/11/1963 0.93 04/04/1964 1.27 09/19/1965 0.96 05/20/1967 1.50 06/24/1968 0.76 08/15/1969 0.90 10/08/1970 1.74 10/19/1971 0.81 08/24/1972 1.14 09/12/1973 1.21 06/08/1974 1.67 08/25/1975 1.17 08/02/1976 0.86 09/11/1977 1.63 05/07/1978 1.99 08/10/1979 2.07 08/17/1980 0.91 06/14/1981 2.31 07/28/1982 1.64 06/28/1983 0.92 06/29/1984 1.23 04/27/1985 2.04 07/18/1987 1.60 07/28/1988 1.90 05/14/1989 0.80 12/17/1990 0.80 06/05/1991 3.00 08/05/1992 2.00 10/16/1993 1.10 08/04/1994 1.90 05/26/1995 1.50 09/26/1996 1.20 Duration: 2 hours 07/10/1950 2.50 06/30/1951 1.40 07/03/1952 2.82 05/11/1953 1.35 04/30/1954 1.50 10/14/1956 1.39 06/14/1957 2.08 06/16/1958 3.42 07/26/1959 2.52 07/22/1960 2.26 06/07/1962 5.28 07/11/1963 1.72 04/04/1964 1.64 09/19/1965 1.81 05/20/1967 1.91 06/24/1968 0.99 08/15/1969 1.30 09/22/1970 2.45 10/19/1971 1.41 08/24/1972 2.27 05/06/1973 1.80 06/08/1974 2.17 08/15/1975 1.47 09/17/1976 1.20 09/11/1977 1.71 05/06/1978 2.24 08/10/1979 2.22 06/16/1980 1.12 06/14/1981 4.41 05/12/1982 2.13 10/20/1983 1.30 06/28/1984 1.43 04/27/1985 3.57 07/17/1987 2.10 07/28/1988 3.10 06/23/1989 1.10 10/03/1990 0.90 06/05/1991 4.20 08/05/1992 2.50 10/16/1993 1.40 08/04/1994 2.20 05/26/1995 1.80 09/26/1996 2.20 Duration: 3 hours 07/10/1950 2.70 06/30/1951 1.85 07/03/1952 2.88 05/11/1953 2.00 04/30/1954 1.99 10/14/1956 1.53 06/14/1957 3.13 06/16/1958 4.02 07/26/1959 2.81 07/22/1960 2.33 06/07/1962 5.60 07/11/1963 2.21 04/04/1964 2.19 09/19/1965 1.95 05/20/1967 2.11 06/24/1968 1.13 10/12/1969 1.61 09/22/1970 2.76 10/19/1971 1.91 08/24/1972 2.31 05/06/1973 2.21 06/08/1974 3.60 08/15/1975 1.53 08/02/1976 1.25 09/11/1977 2.57 05/06/1978 2.40 08/10/1979 2.26 09/01/1980 1.28 06/14/1981 4.99 05/12/1982 2.52 10/20/1983 1.93 06/28/1984 1.46 04/27/1985 3.76 07/17/1987 2.20 07/28/1988 3.50 09/12/1989 1.40 10/03/1990 1.10 06/05/1991 4.30 08/05/1992 2.90 05/08/1993 1.90 08/04/1994 2.30 05/07/1995 2.30 09/26/1996 2.50 Duration: 6 hours 07/10/1950 2.99 06/30/1951 1.95 07/03/1952 2.90 05/11/1953 2.02 04/30/1954 3.10 10/14/1956 2.56 06/14/1957 4.17 06/16/1958 4.42 07/26/1959 3.50 07/22/1960 2.60 06/07/1962 5.66 07/11/1963 3.05 04/04/1964 3.09 05/09/1965 2.40 05/20/1967 2.88 09/23/1968 1.80 10/12/1969 2.33 09/22/1970 4.39 10/19/1971 3.10 08/24/1972 2.34 05/06/1973 2.23 06/08/1974 3.65 05/13/1975 1.69 08/01/1976 2.03 09/11/1977 2.74 05/06/1978 2.45 08/10/1979 2.32 09/01/1980 1.68 06/14/1981 5.30 05/12/1982 3.00 10/20/1983 3.16 06/28/1984 1.84 04/27/1985 3.81 07/17/1987 2.30 07/28/1988 4.40 09/12/1989 1.90 01/19/1990 1.80 06/05/1991 4.34 08/05/1992 3.80 05/08/1993 2.30 08/04/1994 2.32 05/07/1995 2.80 11/06/1996 2.80 Duration: 12 hours 07/10/1950 3.02 06/30/1951 1.97 07/03/1952 2.96 05/11/1953 2.89 04/30/1954 4.14 10/14/1956 2.74 06/14/1957 4.21 06/16/1958 4.51 07/26/1959 3.70 07/22/1960 2.63 06/07/1962 5.71 07/11/1963 3.75 04/04/1964 4.05 12/23/1965 2.42 05/20/1967 2.97 09/23/1968 2.30 10/12/1969 3.18 09/22/1970 6.36 10/19/1971 3.41 10/21/1972 2.40 06/02/1973 2.71 06/08/1974 3.69 08/25/1975 2.41 08/01/1976 2.36 09/11/1977 2.77 05/06/1978 2.49 06/08/1979 3.75 09/01/1980 1.97 06/14/1981 5.35 05/12/1982 3.22 10/19/1983 5.10 12/13/1984 2.99 06/04/1985 3.95 05/27/1987 2.50 07/28/1988 5.40 09/12/1989 2.80 01/19/1990 2.40 06/05/1991 4.39 08/05/1992 4.00 05/08/1993 2.32 10/07/1994 2.35 05/07/1995 3.70 11/06/1996 3.90 Duration: 1 day 07/10/1950 3.25 06/30/1951 1.83 07/03/1952 2.64 10/22/1953 2.67 04/30/1954 3.73 03/21/1955 1.75 10/14/1956 2.94 06/14/1957 3.76 06/16/1958 4.59 07/26/1959 3.55 07/22/1960 3.58 06/14/1961 3.28 06/07/1962 5.10 07/11/1963 3.39 04/04/1964 4.06 05/09/1965 2.45 06/07/1966 1.72 05/20/1967 2.91 09/23/1968 2.13 10/12/1969 3.79 09/22/1970 6.96 12/14/1971 3.08 10/21/1972 3.30 06/02/1973 3.49 06/08/1974 4.47 05/13/1975 2.17 08/02/1976 2.11 09/11/1977 2.47 05/07/1978 2.22 11/20/1979 3.71 06/17/1980 2.42 06/14/1981 5.66 05/12/1982 3.22 10/20/1983 6.89 12/31/1984 2.91 04/27/1985 4.09 09/29/1986 4.90 02/28/1987 3.04 07/28/1988 5.62 09/12/1989 2.95 01/19/1990 2.23 06/05/1991 3.92 08/05/1992 3.66 05/08/1993 3.39 10/07/1994 2.59 05/07/1995 3.39 11/06/1996 3.57 Duration: 2 days 05/09/1950 4.09 06/30/1951 2.62 07/03/1952 2.97 05/11/1953 3.01 04/30/1954 4.66 10/04/1955 2.97 05/13/1956 3.27 06/14/1957 4.05 06/15/1958 4.95 07/26/1959 4.97 07/22/1960 3.92 06/14/1961 3.53 06/07/1962 5.74 07/11/1963 3.65 04/03/1964 4.48 12/23/1965 3.22 06/07/1966 1.85 04/12/1967 3.13 06/24/1968 2.51 10/11/1969 4.30 09/22/1970 7.50 10/19/1971 3.62 10/21/1972 3.75 06/01/1973 4.02 11/02/1974 5.56 08/14/1975 2.45 08/01/1976 2.47 09/11/1977 3.40 05/21/1978 2.67 06/08/1979 4.00 06/16/1980 3.87 06/14/1981 6.14 07/28/1982 3.91 10/19/1983 8.28 12/13/1984 3.75 06/04/1985 4.57 09/29/1986 7.31 05/27/1987 3.46 07/27/1988 6.35 09/12/1989 3.18 01/19/1990 2.40 06/05/1991 4.22 08/04/1992 4.90 05/08/1993 3.75 11/04/1994 4.42 05/06/1995 4.81 11/05/1996 3.94 Duration: 3 days 05/09/1950 4.25 06/29/1951 2.81 07/01/1952 3.09 05/10/1953 3.29 04/30/1954 4.85 10/03/1955 3.10 05/13/1956 3.40 04/18/1957 5.04 06/15/1958 5.15 07/26/1959 5.17 07/22/1960 4.08 06/14/1961 3.57 06/07/1962 6.57 07/11/1963 4.00 04/03/1964 4.66 09/19/1965 3.35 06/05/1966 2.92 04/12/1967 3.26 06/24/1968 2.61 10/11/1969 4.47 09/22/1970 7.80 10/18/1971 3.84 08/22/1972 4.05 05/31/1973 5.31 06/06/1974 7.11 08/25/1975 2.58 09/15/1976 2.57 09/11/1977 4.85 05/20/1978 2.83 06/08/1979 4.15 06/16/1980 4.02 06/14/1981 6.39 07/28/1982 4.07 10/18/1983 9.82 12/13/1984 4.74 04/27/1985 5.36 09/29/1986 8.00 05/27/1987 3.60 07/27/1988 6.60 09/12/1989 3.30 03/11/1990 2.70 06/05/1991 4.80 08/04/1992 5.10 05/08/1993 4.20 11/03/1994 4.60 05/05/1995 5.00 11/04/1996 4.40 Duration: 4 days 05/09/1950 4.29 06/29/1951 2.84 07/01/1952 3.12 10/22/1953 3.40 04/30/1954 4.90 10/02/1955 3.20 05/13/1956 3.43 04/18/1957 5.21 06/15/1958 5.20 09/30/1959 5.24 07/22/1960 4.12 06/14/1961 3.60 08/31/1962 6.64 07/11/1963 4.12 04/03/1964 4.71 09/19/1965 3.38 06/05/1966 2.95 04/09/1967 3.34 06/24/1968 2.64 10/11/1969 4.51 09/22/1970 7.88 10/18/1971 3.88 08/21/1972 4.11 05/30/1973 5.55 06/06/1974 7.18 08/15/1975 2.62 04/17/1976 3.27 09/11/1977 5.45 06/18/1978 3.34 06/06/1979 5.39 06/16/1980 4.77 06/14/1981 6.45 07/28/1982 4.11 10/17/1983 10.26 12/13/1984 4.79 04/27/1985 5.41 09/29/1986 8.30 05/25/1987 4.10 07/27/1988 6.66 09/12/1989 3.33 03/11/1990 4.50 10/25/1991 5.70 08/04/1992 5.20 05/08/1993 4.60 11/03/1994 4.65 05/05/1995 5.10 11/04/1996 4.44 Duration: 7 days 05/09/1950 4.42 06/29/1951 3.50 05/17/1952 3.16 10/21/1953 3.63 04/26/1954 4.95 10/02/1955 3.23 05/13/1956 3.47 04/18/1957 6.41 06/15/1958 6.26 07/21/1959 6.65 07/22/1960 5.34 07/06/1961 3.64 06/01/1962 8.10 07/11/1963 4.16 03/30/1964 4.75 05/08/1965 3.56 06/01/1966 3.07 05/14/1967 4.27 04/16/1968 3.39 10/06/1969 4.91 09/17/1970 8.02 12/08/1971 4.45 08/21/1972 4.15 05/30/1973 5.87 10/28/1974 8.72 08/14/1975 3.51 04/15/1976 3.69 09/11/1977 5.50 05/02/1978 3.88 06/05/1979 5.46 06/16/1980 5.28 06/14/1981 6.52 05/11/1982 5.41 10/17/1983 10.36 12/13/1984 4.83 06/01/1985 6.13 09/26/1986 10.20 05/22/1987 6.20 07/27/1988 6.73 09/12/1989 3.37 03/09/1990 5.10 10/25/1991 6.70 08/01/1992 5.30 05/08/1993 4.80 10/31/1994 4.70 06/04/1995 5.60 10/31/1996 5.20 Duration: 10 days 07/09/1950 5.19 09/07/1951 3.66 05/17/1952 3.19 07/07/1953 3.72 04/22/1954 5.85 09/26/1955 3.48 05/13/1956 3.50 04/18/1957 7.78 06/16/1958 9.78 09/24/1959 7.89 04/27/1960 5.41 07/06/1961 5.31 06/01/1962 9.11 07/11/1963 4.20 03/30/1964 4.80 05/07/1965 3.61 05/31/1966 3.22 04/12/1967 5.38 04/16/1968 3.42 10/05/1969 4.96 09/14/1970 8.84 12/05/1971 4.57 08/22/1972 6.11 05/26/1973 6.02 10/25/1974 9.27 08/18/1975 3.92 04/12/1976 4.25 09/05/1977 6.09 05/19/1978 4.32 06/02/1979 5.66 06/16/1980 5.33 06/06/1981 6.58 05/11/1982 5.82 10/11/1983 10.83 12/13/1984 5.84 10/10/1985 6.92 09/26/1986 10.60 05/20/1987 6.40 07/19/1988 7.10 09/04/1989 3.50 03/06/1990 6.10 05/30/1991 7.00 08/04/1992 5.80 05/08/1993 5.30 04/28/1994 5.20 04/29/1995 7.00 10/29/1996 5.40 Duration: 20 days 07/03/1950 7.44 06/15/1951 4.62 05/17/1952 5.04 04/23/1953 6.02 04/12/1954 6.05 09/19/1955 4.63 05/13/1956 6.26 05/13/1957 10.57 06/15/1958 10.53 07/08/1959 10.45 05/04/1960 6.38 07/06/1961 7.28 08/31/1962 12.68 07/11/1963 6.41 03/18/1964 5.45 05/07/1965 4.06 05/31/1966 4.10 05/05/1967 6.56 04/18/1968 4.31 10/11/1969 5.05 09/22/1970 11.85 10/02/1971 5.06 10/18/1972 7.90 05/22/1973 7.01 05/23/1974 12.51 08/14/1975 6.47 04/12/1976 5.08 08/28/1977 7.29 05/03/1978 6.18 06/05/1979 6.54 06/16/1980 5.33 05/28/1981 9.52 05/12/1982 7.92 10/01/1983 11.22 12/13/1984 9.45 09/29/1985 8.27 09/15/1986 11.90 05/23/1987 7.70 07/19/1988 7.20 06/04/1989 5.00 04/13/1990 8.70 05/20/1991 9.60 07/26/1992 6.40 04/28/1993 7.80 11/03/1994 7.40 05/23/1995 12.30 10/18/1996 7.70 Duration: 30 days 07/09/1950 10.34 06/06/1951 6.02 05/17/1952 5.04 04/17/1953 7.27 04/30/1954 7.56 09/10/1955 4.66 04/28/1956 6.62 05/16/1957 16.24 06/15/1958 15.35 07/08/1959 11.39 04/27/1960 8.74 07/06/1961 7.28 08/24/1962 13.46 07/11/1963 6.90 03/06/1964 6.98 05/07/1965 4.71 05/11/1966 5.90 04/09/1967 8.29 04/16/1968 6.21 09/16/1969 6.00 09/13/1970 13.33 11/17/1971 6.01 10/20/1972 10.07 05/06/1973 9.53 05/14/1974 14.01 08/14/1975 7.42 04/13/1976 5.38 08/19/1977 8.98 05/02/1978 8.50 06/08/1979 8.69 04/24/1980 7.17 05/23/1981 10.02 05/05/1982 10.53 10/11/1983 11.26 12/03/1984 9.90 09/22/1985 10.31 09/26/1986 12.80 05/20/1987 8.30 07/19/1988 7.50 05/14/1989 6.90 02/14/1990 9.90 10/24/1991 10.10 07/14/1992 9.50 04/14/1993 9.50 10/07/1994 9.00 05/06/1995 13.50 10/18/1996 9.60 Duration: 45 days 06/21/1950 11.59 05/21/1951 7.46 05/22/1952 6.94 03/30/1953 10.05 04/30/1954 9.69 08/22/1955 5.87 04/23/1956 8.24 05/11/1957 21.17 05/31/1958 18.24 06/24/1959 14.32 04/08/1960 10.16 06/02/1961 11.22 08/24/1962 14.30 07/11/1963 8.43 03/30/1964 9.74 05/09/1965 7.18 05/11/1966 6.78 04/09/1967 12.65 04/16/1968 7.77 09/16/1969 6.58 09/01/1970 14.87 07/22/1971 6.71 10/18/1972 10.46 04/19/1973 12.32 04/29/1974 16.30 04/29/1975 8.55 04/12/1976 7.99 08/12/1977 9.49 05/02/1978 9.80 05/26/1979 10.48 05/11/1980 10.19 05/04/1981 13.28 04/28/1982 12.19 09/13/1983 13.12 11/17/1984 11.58 04/27/1985 13.48 09/26/1986 14.70 11/14/1987 9.50 02/18/1988 8.60 05/11/1989 9.60 04/09/1990 12.50 04/26/1991 12.40 06/28/1992 12.00 03/29/1993 11.80 10/07/1994 11.80 04/29/1995 19.90 09/23/1996 12.00 Duration: 60 days 06/25/1950 12.21 09/07/1951 9.69 05/17/1952 9.16 03/01/1953 11.36 04/22/1954 11.39 08/07/1955 6.71 05/13/1956 9.00 04/16/1957 26.65 05/15/1958 19.93 05/31/1959 17.09 04/27/1960 12.99 05/25/1961 13.69 07/24/1962 16.02 07/11/1963 10.52 04/04/1964 11.03 05/08/1965 8.82 04/18/1966 9.51 03/25/1967 13.44 03/18/1968 8.81 08/14/1969 9.39 09/01/1970 16.30 10/16/1971 10.56 09/22/1972 11.64 04/08/1973 15.59 04/20/1974 16.59 04/29/1975 10.20 04/12/1976 8.84 03/26/1977 10.35 05/02/1978 13.14 05/20/1979 11.45 04/24/1980 13.82 05/09/1981 14.47 04/28/1982 13.37 10/06/1983 13.86 10/20/1984 12.42 04/21/1985 15.44 09/15/1986 16.50 05/20/1987 11.70 07/27/1988 11.80 05/02/1989 11.50 03/06/1990 16.90 10/24/1991 14.40 07/14/1992 14.70 03/19/1993 13.70 10/03/1994 11.90 04/17/1995 23.60 09/09/1996 14.60