Precipitation annual maximum series (inches) Station ID: 66-0001 Station name: Benton Dam (1007891) State: ID Latitude (decimal degrees): 48.3502 Longitude (decimal degrees): -116.8071 Elevation (feet): 2641 Duration: 1 hour 06/09/1948 0.90 04/28/1949 0.25 06/12/1950 0.52 10/05/1950 0.25 05/29/1953 0.38 08/23/1954 0.30 05/29/1955 0.37 07/13/1956 0.51 05/13/1957 0.45 07/29/1958 0.90 06/28/1959 0.34 08/26/1960 0.21 07/23/1961 0.36 05/28/1962 0.37 10/12/1962 0.28 08/28/1964 0.52 08/22/1965 0.35 01/02/1966 0.40 06/10/1967 0.37 08/17/1968 0.40 07/02/1969 0.35 05/11/1970 0.25 10/05/1970 0.29 07/18/1972 0.34 08/31/1973 0.46 07/10/1974 0.45 07/14/1975 0.47 07/12/1976 0.30 Duration: 2 hours 06/09/1948 0.97 04/28/1949 0.40 08/23/1950 0.56 10/08/1950 0.40 05/29/1953 0.41 03/09/1954 0.42 05/29/1955 0.49 07/13/1956 0.55 05/13/1957 0.60 07/29/1958 0.97 06/28/1959 0.40 11/03/1959 0.35 04/29/1961 0.39 05/28/1962 0.60 02/28/1963 0.39 06/07/1964 0.60 08/25/1965 0.40 01/02/1966 0.60 06/10/1967 0.40 08/17/1968 0.55 01/26/1969 0.50 05/11/1970 0.35 01/15/1971 0.45 02/28/1972 0.39 09/18/1973 0.82 05/14/1974 0.52 07/14/1975 0.69 08/25/1976 0.44 Duration: 3 hours 06/09/1948 0.99 04/28/1949 0.41 08/23/1950 0.74 09/30/1951 0.49 08/08/1953 0.46 03/09/1954 0.49 05/29/1955 0.50 07/13/1956 0.56 05/13/1957 0.66 07/29/1958 0.99 10/18/1958 0.45 11/20/1959 0.43 04/29/1961 0.65 12/17/1961 0.83 03/27/1963 0.47 06/07/1964 0.70 08/25/1965 0.53 01/02/1966 0.70 01/19/1967 0.49 08/17/1968 0.70 01/26/1969 0.60 05/11/1970 0.45 01/15/1971 0.60 10/19/1971 0.50 09/18/1973 0.84 11/15/1973 0.60 07/14/1975 0.74 07/12/1976 0.45 Duration: 6 hours 07/05/1948 1.25 02/10/1949 0.58 12/23/1949 1.19 09/30/1951 0.79 01/09/1953 0.71 01/17/1954 0.75 09/27/1955 0.74 11/18/1955 0.85 05/13/1957 0.93 07/29/1958 1.00 11/18/1958 0.75 11/20/1959 0.78 11/17/1960 0.87 12/17/1961 1.51 11/25/1962 0.72 11/06/1963 0.79 12/28/1964 1.02 12/27/1965 1.10 01/19/1967 0.93 08/17/1968 0.86 10/11/1968 1.00 01/26/1970 0.77 01/15/1971 1.00 10/19/1971 0.77 09/18/1973 0.84 11/15/1973 1.00 07/14/1975 0.82 12/03/1975 0.60 Duration: 12 hours 02/10/1949 0.97 12/23/1949 1.61 09/29/1951 0.92 01/08/1953 1.17 01/16/1954 1.02 09/27/1955 1.02 11/18/1955 1.20 05/19/1957 1.33 02/24/1958 1.36 01/23/1959 1.08 11/20/1959 1.39 11/17/1960 1.17 12/16/1961 2.01 11/25/1962 1.36 11/06/1963 1.11 12/28/1964 1.35 12/27/1965 1.55 01/19/1967 1.29 01/09/1968 1.24 01/26/1969 1.32 01/26/1970 1.20 01/15/1971 1.49 10/19/1971 1.09 12/23/1972 0.95 11/15/1973 1.58 11/20/1974 1.19 12/03/1975 0.96 Duration: 1 day 12/02/1941 1.92 11/14/1942 1.41 10/24/1943 1.48 02/09/1949 1.30 01/06/1950 1.79 09/29/1951 1.10 12/18/1951 1.74 01/08/1953 1.31 03/09/1954 1.18 09/27/1955 1.28 10/09/1955 1.26 05/19/1957 1.81 02/24/1958 1.74 01/22/1959 1.27 11/20/1959 2.10 11/19/1960 1.68 12/16/1961 1.97 11/24/1962 1.81 11/06/1963 1.12 12/21/1964 1.32 12/26/1965 1.50 01/27/1967 1.85 01/09/1968 1.56 11/10/1968 1.52 02/15/1970 1.51 01/14/1971 1.69 01/19/1972 1.38 12/23/1972 1.16 11/15/1973 2.31 11/20/1974 1.81 08/25/1976 0.94 03/08/1977 1.03 08/15/1978 1.51 02/12/1979 1.12 01/12/1980 1.28 11/21/1980 1.50 02/13/1982 1.97 08/23/1983 1.72 11/03/1983 1.67 11/02/1984 1.17 02/15/1986 2.09 03/03/1987 1.72 01/14/1988 1.59 11/22/1988 1.21 12/05/1989 1.14 11/24/1990 1.34 06/13/1992 1.86 05/23/1993 1.12 06/06/1994 0.90 06/07/1995 1.59 06/22/1996 1.42 12/29/1996 2.21 05/26/1998 2.85 11/20/1998 2.26 06/12/2000 1.26 07/28/2001 1.20 12/16/2001 1.58 12/14/2002 1.69 08/24/2004 1.20 03/27/2005 2.00 06/14/2006 1.59 11/07/2006 1.75 11/22/2011 1.89 11/19/2012 2.35 05/09/2014 1.00 03/15/2015 1.60 12/08/2015 1.15 02/16/2017 1.72 12/19/2017 1.40 02/12/2019 1.07 01/22/2020 1.18 Duration: 2 days 12/01/1941 2.12 11/14/1942 1.64 10/24/1943 1.77 02/21/1949 1.61 03/16/1950 2.25 10/28/1950 1.97 09/30/1951 2.33 01/07/1953 2.00 03/08/1954 2.02 09/26/1955 1.47 10/08/1955 2.37 05/18/1957 2.44 02/24/1958 2.33 01/22/1959 2.16 11/19/1959 2.86 11/19/1960 2.10 12/16/1961 2.42 11/24/1962 2.49 01/17/1964 1.71 11/29/1964 2.21 01/03/1966 2.33 01/26/1967 2.56 02/02/1968 1.98 10/09/1968 1.96 02/15/1970 2.89 12/05/1970 2.45 01/18/1972 1.68 09/18/1973 1.77 01/13/1974 3.01 11/19/1974 3.24 12/02/1975 1.19 03/08/1977 1.27 08/15/1978 1.83 05/04/1979 1.65 01/11/1980 1.68 12/02/1980 2.25 02/13/1982 2.50 08/23/1983 2.21 11/03/1983 1.84 11/01/1984 1.99 02/15/1986 2.31 03/02/1987 2.51 01/13/1988 1.97 11/21/1988 1.53 05/31/1990 1.61 11/24/1990 1.51 06/12/1992 2.96 07/11/1993 1.40 12/07/1993 1.39 06/06/1995 1.88 06/21/1996 1.73 12/29/1996 2.82 05/26/1998 3.51 11/20/1998 2.86 04/13/2000 1.55 04/27/2001 1.32 12/16/2001 1.90 12/13/2002 2.04 08/24/2004 2.35 03/26/2005 2.74 06/14/2006 1.76 11/06/2006 2.75 12/02/2007 3.61 11/22/2011 3.19 06/19/2013 3.17 03/05/2014 1.52 02/06/2015 2.41 12/07/2015 1.94 10/13/2016 2.29 01/08/2018 2.00 02/11/2019 1.32 12/20/2019 1.91 Duration: 3 days 11/13/1941 2.23 11/13/1942 1.79 10/22/1943 2.11 02/07/1949 1.75 03/16/1950 2.55 10/27/1950 2.81 09/30/1951 2.78 01/06/1953 2.38 03/07/1954 2.17 09/26/1955 1.54 12/18/1955 2.73 02/22/1957 2.73 02/22/1958 2.57 01/09/1959 2.53 11/18/1959 3.69 11/17/1960 2.63 12/16/1961 3.42 11/24/1962 2.56 01/15/1964 2.56 11/29/1964 2.68 01/02/1966 2.72 01/26/1967 3.13 02/01/1968 2.12 10/09/1968 2.16 02/15/1970 3.15 12/05/1970 2.75 01/17/1972 1.74 12/21/1972 2.20 01/14/1974 4.23 11/19/1974 3.68 02/24/1976 1.51 03/07/1977 1.35 08/15/1978 2.45 05/04/1979 1.95 01/12/1980 2.02 12/02/1980 2.83 02/13/1982 2.97 08/23/1983 2.25 11/01/1983 1.95 11/01/1984 2.08 02/14/1986 2.39 03/01/1987 2.67 12/01/1987 2.47 11/20/1988 2.02 05/29/1990 1.67 04/03/1991 1.69 06/12/1992 3.02 07/10/1993 1.45 12/07/1993 1.56 06/05/1995 1.97 12/10/1995 2.44 12/29/1996 4.32 05/25/1998 3.90 11/20/1998 3.03 04/13/2000 1.88 04/27/2001 1.63 11/29/2001 2.16 12/14/2002 2.67 08/23/2004 2.45 03/26/2005 3.20 02/26/2006 1.79 11/05/2006 3.04 12/01/2007 3.85 11/21/2011 3.86 06/18/2013 3.60 03/03/2014 1.66 02/05/2015 3.18 12/06/2015 2.82 10/13/2016 2.65 01/07/2018 2.12 02/11/2019 1.45 12/19/2019 2.46 Duration: 4 days 12/02/1941 2.40 11/14/1942 2.18 10/21/1943 2.40 02/06/1949 2.31 03/15/1950 2.66 10/26/1950 3.14 09/30/1951 3.36 01/07/1953 2.50 01/21/1954 2.84 04/18/1955 1.87 12/18/1955 3.40 02/22/1957 3.23 02/22/1958 2.59 01/08/1959 2.76 11/17/1959 4.66 11/17/1960 3.40 12/16/1961 3.95 11/22/1962 2.64 01/15/1964 2.99 12/18/1964 3.21 01/01/1966 3.84 01/25/1967 3.49 01/31/1968 2.50 11/08/1968 2.59 02/13/1970 3.41 12/03/1970 3.07 01/19/1972 2.05 12/20/1972 2.71 01/12/1974 4.67 11/18/1974 3.90 02/24/1976 1.83 08/24/1977 1.41 08/15/1978 2.47 02/09/1979 2.03 01/11/1980 2.42 12/02/1980 2.99 02/13/1982 3.37 08/23/1983 2.27 11/01/1983 2.09 10/30/1984 2.18 11/01/1985 2.55 02/28/1987 2.74 12/01/1987 2.72 11/19/1988 2.09 05/29/1990 2.69 01/09/1991 1.94 06/12/1992 3.05 07/09/1993 1.67 01/01/1994 1.72 03/08/1995 2.20 02/05/1996 2.79 12/29/1996 4.74 05/26/1998 3.94 11/20/1998 3.35 12/12/1999 2.59 04/27/2001 2.10 12/13/2001 3.27 12/13/2002 3.02 08/22/2004 3.23 03/26/2005 3.51 01/07/2006 1.90 11/04/2006 3.81 12/01/2007 3.89 11/21/2011 4.16 06/18/2013 3.64 03/02/2014 2.23 02/04/2015 3.29 12/05/2015 3.33 10/13/2016 2.74 01/08/2018 2.37 02/11/2019 1.70 12/19/2019 2.61 Duration: 7 days 12/13/1941 3.03 10/27/1942 2.63 10/21/1943 2.69 02/03/1949 3.15 12/17/1949 3.13 10/25/1950 3.64 11/25/1951 3.64 01/06/1953 3.45 01/21/1954 4.26 04/16/1955 2.63 12/15/1955 3.67 05/13/1957 3.82 02/19/1958 2.93 01/05/1959 3.66 11/17/1959 5.69 11/17/1960 5.05 12/14/1961 4.86 11/24/1962 3.75 01/15/1964 4.06 12/18/1964 3.52 12/31/1965 4.61 01/25/1967 3.64 01/29/1968 3.45 10/09/1968 3.05 02/13/1970 3.51 11/30/1970 3.66 01/18/1972 2.55 12/17/1972 3.53 01/12/1974 6.02 11/17/1974 4.68 02/23/1976 2.14 08/22/1977 1.80 12/09/1977 3.72 02/07/1979 3.07 01/11/1980 2.92 02/13/1981 4.01 02/13/1982 4.39 12/15/1982 2.83 11/10/1983 2.96 10/27/1984 2.65 11/01/1985 2.98 11/18/1986 3.58 11/30/1987 3.98 11/19/1988 2.55 05/28/1990 3.27 01/06/1991 3.03 06/12/1992 3.10 07/11/1993 2.09 12/29/1993 2.45 03/08/1995 3.16 12/09/1995 3.31 12/27/1996 5.74 05/22/1998 5.07 11/19/1998 4.51 12/11/1999 3.27 04/26/2001 2.20 12/13/2001 3.95 12/10/2002 3.97 08/22/2004 3.31 03/26/2005 4.00 01/09/2006 3.16 11/04/2006 4.85 11/17/2011 5.34 06/18/2013 4.16 03/02/2014 3.17 02/03/2015 4.11 12/05/2015 4.11 10/14/2016 4.16 01/07/2018 2.90 02/11/2019 2.19 01/06/2020 3.30 Duration: 10 days 12/14/1941 3.60 11/14/1942 3.45 10/16/1943 3.22 02/03/1949 3.25 12/15/1949 3.94 10/25/1950 3.97 11/25/1951 4.51 01/07/1953 4.10 01/17/1954 4.86 04/13/1955 3.08 12/18/1955 4.89 05/13/1957 4.80 02/17/1958 3.37 01/05/1959 3.95 11/15/1959 5.97 11/16/1960 6.36 12/16/1961 6.16 11/25/1962 4.48 01/16/1964 5.58 12/20/1964 4.84 12/28/1965 6.74 01/19/1967 4.87 01/29/1968 3.52 10/07/1968 3.46 01/18/1970 3.83 11/28/1970 4.03 12/05/1971 2.90 12/19/1972 4.28 11/08/1973 6.68 11/18/1974 4.87 11/29/1975 2.24 12/06/1977 4.18 02/07/1979 3.32 01/09/1980 3.13 02/11/1981 4.28 02/11/1982 5.68 12/12/1982 3.66 11/03/1983 3.84 10/24/1984 3.16 09/23/1986 3.04 11/18/1986 3.96 11/30/1987 5.34 11/02/1988 2.77 05/29/1990 3.93 01/07/1991 3.58 06/12/1992 3.16 07/11/1993 2.84 11/29/1993 3.30 03/08/1995 3.45 05/13/1996 3.38 12/29/1996 6.37 05/20/1998 5.87 11/20/1998 4.79 12/06/1999 3.86 04/23/2001 2.25 12/10/2001 4.33 12/26/2002 4.12 08/18/2004 3.73 03/26/2005 4.25 01/06/2006 3.76 11/03/2006 6.06 11/16/2011 5.74 06/17/2013 4.40 03/02/2014 4.29 02/01/2015 4.60 12/02/2015 4.69 10/13/2016 5.53 11/14/2017 3.38 12/11/2018 2.71 01/22/2020 4.07 Duration: 20 days 11/30/1941 6.08 10/26/1942 5.56 10/10/1943 4.97 02/04/1949 5.98 12/19/1949 6.58 10/17/1950 5.74 09/30/1951 6.12 01/03/1953 6.69 01/14/1954 7.28 04/09/1955 4.28 12/19/1955 6.97 02/23/1957 5.33 02/07/1958 5.62 01/06/1959 7.07 11/04/1959 6.78 11/10/1960 9.06 12/16/1961 7.89 09/28/1962 5.47 01/14/1964 6.87 12/13/1964 6.19 12/21/1965 9.04 01/11/1967 6.83 01/16/1968 4.27 01/09/1969 5.48 01/13/1970 6.36 11/27/1970 5.17 12/05/1971 4.52 12/16/1972 5.52 11/09/1973 9.24 11/06/1974 7.47 02/11/1976 4.34 11/25/1977 6.55 02/07/1979 5.94 12/01/1979 4.29 11/21/1980 5.27 02/12/1982 7.32 11/28/1982 5.03 11/01/1983 6.63 10/25/1984 5.00 10/19/1985 4.75 03/01/1987 5.43 11/21/1987 6.18 11/05/1988 4.82 05/22/1990 5.67 11/21/1990 4.84 06/12/1992 4.44 12/16/1992 4.09 11/21/1993 4.16 03/04/1995 4.83 11/23/1995 5.27 12/19/1996 9.00 05/14/1998 7.42 11/13/1998 8.17 11/29/1999 5.73 04/26/2001 3.39 11/28/2001 7.87 12/12/2002 6.23 05/19/2004 4.79 03/16/2005 5.54 12/26/2005 5.96 11/03/2006 8.22 03/12/2012 8.57 11/19/2012 7.39 03/02/2014 5.37 01/23/2015 4.83 12/02/2015 6.29 10/01/2016 7.33 01/08/2018 5.67 12/10/2018 3.82 01/06/2020 5.81 Duration: 30 days 11/25/1941 7.01 10/26/1942 7.60 10/10/1943 5.54 01/26/1949 6.36 12/16/1949 9.12 10/04/1950 8.30 09/25/1951 9.03 01/07/1953 8.38 01/01/1954 9.81 03/29/1955 5.22 12/07/1955 9.20 01/29/1957 6.06 01/28/1958 6.71 12/27/1958 8.49 11/17/1959 7.81 10/28/1960 9.84 12/13/1961 8.65 11/08/1962 7.52 01/04/1964 7.49 11/30/1964 9.27 12/19/1965 10.17 11/14/1966 9.76 01/08/1968 7.01 01/04/1969 7.21 01/19/1970 8.02 11/09/1970 6.35 11/24/1971 5.76 12/19/1972 7.41 11/09/1973 11.67 11/06/1974 7.86 02/11/1976 4.52 11/23/1977 8.19 02/06/1979 7.33 12/17/1979 6.14 11/06/1980 6.90 02/13/1982 8.86 11/27/1982 6.43 10/30/1983 7.74 11/01/1984 6.88 01/18/1986 5.52 02/28/1987 5.58 11/11/1987 7.38 10/31/1988 5.97 05/12/1990 7.36 11/20/1990 5.44 06/12/1992 5.20 12/07/1992 5.65 11/16/1993 4.61 02/15/1995 5.88 11/15/1995 5.96 11/13/1996 11.33 05/17/1998 8.15 11/14/1998 9.99 11/19/1999 7.53 04/02/2001 4.36 11/20/2001 9.32 12/10/2002 8.13 11/15/2003 6.19 03/16/2005 6.28 12/20/2005 8.13 11/03/2006 9.56 12/12/2008 9.42 03/03/2012 10.31 11/19/2012 9.17 02/09/2014 7.24 01/15/2015 6.30 12/02/2015 6.52 03/01/2017 8.37 01/06/2018 7.17 12/11/2018 5.52 12/31/2019 8.08 Duration: 45 days 11/11/1941 9.52 10/26/1942 9.24 10/10/1943 5.68 02/05/1949 8.64 12/15/1949 11.19 10/04/1950 9.86 11/26/1951 10.70 12/27/1952 10.25 12/19/1953 11.43 03/10/1955 6.25 11/24/1955 11.94 01/29/1957 8.06 01/13/1958 9.70 12/25/1958 9.49 11/12/1959 9.16 10/21/1960 10.90 11/22/1961 11.21 11/05/1962 9.54 10/23/1963 8.83 11/23/1964 11.49 12/02/1965 11.12 11/06/1966 12.72 12/22/1967 8.85 11/30/1968 10.15 01/05/1970 10.75 12/06/1970 9.47 12/09/1971 7.07 12/12/1972 9.14 11/09/1973 15.89 11/07/1974 10.44 10/25/1975 6.40 11/25/1977 11.33 01/20/1979 7.69 12/01/1979 8.58 11/19/1980 8.09 01/16/1982 10.39 11/27/1982 8.78 10/30/1983 9.73 10/27/1984 8.89 01/05/1986 7.16 01/28/1987 6.86 12/01/1987 9.05 10/31/1988 6.90 04/23/1990 8.53 11/29/1990 7.70 10/23/1991 6.38 11/21/1992 6.84 11/29/1993 7.16 12/06/1994 7.89 11/05/1995 8.18 11/17/1996 17.24 05/20/1998 9.27 11/15/1998 12.29 11/03/1999 9.69 03/18/2001 6.28 11/13/2001 11.04 12/13/2002 9.62 11/15/2003 7.22 03/16/2005 6.77 12/20/2005 9.52 11/03/2006 11.10 02/18/2012 12.49 10/24/2012 11.19 02/12/2014 9.07 01/02/2015 7.94 10/28/2015 9.25 02/09/2017 12.89 01/06/2018 9.29 11/27/2018 7.21 12/19/2019 11.49 Duration: 60 days 10/25/1941 10.39 10/26/1942 10.53 10/10/1943 7.19 01/27/1949 9.77 11/23/1949 13.57 10/04/1950 12.63 11/26/1951 12.98 12/01/1952 12.24 12/03/1953 13.91 02/24/1955 8.43 11/19/1955 14.80 01/11/1957 8.98 01/09/1958 10.74 12/02/1958 12.02 09/25/1959 11.07 10/07/1960 12.22 11/19/1961 12.85 11/05/1962 12.09 01/16/1964 11.79 11/02/1964 14.05 11/15/1965 13.10 11/30/1966 15.72 12/22/1967 10.04 12/04/1968 13.30 12/20/1969 12.37 11/21/1970 11.66 11/28/1971 9.01 12/16/1972 9.83 10/24/1973 17.34 11/06/1974 12.76 10/06/1975 7.29 11/10/1977 12.77 01/10/1979 8.64 11/16/1979 9.71 11/01/1980 10.22 02/13/1982 12.54 11/12/1982 11.01 10/17/1983 10.54 11/01/1984 11.33 01/15/1986 8.11 01/24/1987 8.35 11/16/1987 10.14 11/02/1988 9.63 04/20/1990 9.67 11/20/1990 10.41 10/23/1991 7.29 11/06/1992 8.63 11/17/1993 7.94 11/16/1994 9.61 10/17/1995 10.12 11/13/1996 20.64 05/14/1998 11.10 11/20/1998 14.06 11/22/1999 12.34 03/18/2001 7.47 10/21/2001 13.53 12/10/2002 11.59 11/10/2003 8.84 03/26/2005 9.32 12/20/2005 9.98 11/03/2006 13.17 03/06/2012 13.48 10/25/2012 14.45 03/02/2014 10.49 12/12/2014 9.55 12/02/2015 11.46 02/08/2017 15.15 01/08/2018 10.36 11/22/2018 8.50 12/04/2019 13.16