Precipitation annual maximum series (inches) Station ID: 24-7204 Station name: ROUND BUTTE 1 NNW State: MT Latitude (decimal degrees): 47.5375 Longitude (decimal degrees): -114.2761 Elevation (feet): 3100 Duration: 15 minutes 07/12/1976 0.20 10/02/1976 0.10 06/24/1978 0.30 08/31/1979 0.20 05/25/1980 0.40 04/03/1981 0.40 06/22/1982 0.20 03/31/1983 0.20 08/03/1984 0.40 09/12/1985 0.20 06/27/1988 0.20 08/12/1989 0.50 07/14/1993 0.40 06/17/1996 0.20 08/18/1997 0.40 07/03/1998 0.60 06/26/1999 0.30 10/09/1999 0.30 10/11/2001 0.10 06/10/2003 0.30 09/20/2004 0.30 10/07/2004 0.10 06/12/2006 0.20 07/04/2008 0.40 06/16/2009 0.20 06/20/2010 0.30 Duration: 30 minutes 07/12/1976 0.30 06/08/1977 0.20 07/18/1978 0.40 06/05/1979 0.25 05/06/1980 0.44 06/22/1982 0.30 03/31/1983 0.22 08/03/1984 0.44 05/25/1985 0.22 06/27/1988 0.30 08/12/1989 0.60 07/14/1993 0.50 06/17/1996 0.22 08/18/1997 0.44 07/03/1998 0.70 10/02/1998 0.33 10/09/1999 0.33 06/18/2002 0.20 06/10/2003 0.40 08/06/2004 0.33 04/23/2005 0.20 04/01/2006 0.22 06/01/2008 0.44 06/16/2009 0.22 06/20/2010 0.50 10/03/2010 0.80 Duration: 45 minutes 07/12/1976 0.40 06/08/1977 0.30 07/18/1978 0.50 06/05/1979 0.38 05/06/1980 0.50 06/29/1982 0.40 03/31/1983 0.30 08/03/1984 0.45 05/29/1985 0.30 06/27/1988 0.31 08/12/1989 0.61 07/14/1993 0.51 06/17/1996 0.22 08/18/1997 0.45 07/03/1998 0.71 10/02/1998 0.34 10/09/1999 0.34 06/18/2002 0.20 06/10/2003 0.41 08/06/2004 0.34 04/23/2005 0.20 10/01/2005 0.22 06/01/2008 0.50 06/16/2009 0.22 06/20/2010 0.60 10/03/2010 0.82 Duration: 1 hour 08/01/1948 0.50 07/09/1951 0.45 06/28/1952 0.55 06/06/1953 0.40 08/05/1954 0.48 07/11/1955 0.53 07/03/1956 0.37 06/10/1958 0.45 09/16/1959 0.35 06/30/1960 0.48 07/05/1961 0.45 07/28/1962 0.29 06/07/1963 0.15 06/08/1964 0.35 08/27/1965 0.24 11/18/1965 0.21 06/11/1967 0.26 07/28/1970 0.35 07/09/1971 0.20 05/24/1974 0.65 07/13/1975 0.49 07/12/1976 0.35 06/08/1977 0.35 07/18/1978 0.44 06/05/1979 0.44 05/06/1980 0.44 06/29/1982 0.35 03/31/1983 0.27 08/03/1984 0.35 05/29/1985 0.27 06/28/1988 0.35 08/12/1989 0.53 07/14/1993 0.44 10/03/1995 0.18 05/31/1997 0.35 07/03/1998 0.71 10/02/1998 0.27 04/13/2000 0.35 06/18/2002 0.18 06/10/2003 0.35 07/04/2004 0.27 04/23/2005 0.27 06/04/2006 0.27 07/01/2008 0.53 08/07/2009 0.27 06/20/2010 0.53 Duration: 2 hours 08/01/1948 0.90 07/09/1951 0.55 06/28/1952 0.59 06/06/1953 0.43 07/01/1954 0.52 07/11/1955 0.73 07/03/1956 0.62 06/10/1958 0.64 09/16/1959 0.70 06/30/1960 0.52 07/05/1961 0.55 07/28/1962 0.31 08/24/1963 0.26 06/08/1964 0.67 08/23/1965 0.38 08/27/1966 0.37 06/22/1967 0.42 07/28/1970 0.54 06/01/1971 0.37 05/24/1974 0.85 07/13/1975 0.55 07/12/1976 0.48 06/08/1977 0.67 07/18/1978 0.48 06/05/1979 0.48 05/25/1980 0.76 06/29/1982 0.48 06/17/1983 0.38 08/03/1984 0.48 05/29/1985 0.38 06/28/1988 0.48 08/12/1989 0.57 07/14/1993 0.48 04/10/1996 0.29 05/31/1997 0.38 07/03/1998 0.76 10/02/1998 0.29 09/01/2000 0.48 08/06/2002 0.29 11/23/2002 0.38 04/08/2004 0.29 04/23/2005 0.38 04/06/2006 0.38 07/01/2008 0.76 08/07/2009 0.38 06/20/2010 0.67 10/03/2010 0.95 Duration: 3 hours 08/01/1948 1.10 07/09/1951 0.56 06/28/1952 0.60 06/06/1953 0.44 07/01/1954 0.58 07/11/1955 0.83 07/03/1956 0.80 06/10/1958 0.65 09/16/1959 1.05 08/01/1960 0.55 08/25/1961 0.56 07/28/1962 0.32 09/02/1963 0.36 06/08/1964 0.95 08/23/1965 0.45 08/27/1966 0.55 06/22/1967 0.53 07/28/1970 0.55 06/01/1971 0.48 05/24/1974 0.87 07/13/1975 0.56 07/12/1976 0.58 06/08/1977 0.78 04/20/1978 0.49 06/05/1979 0.49 05/06/1980 0.87 06/29/1982 0.49 06/17/1983 0.49 08/03/1984 0.49 05/29/1985 0.49 05/30/1988 0.58 08/12/1989 0.58 05/31/1993 0.49 04/10/1996 0.39 06/04/1997 0.49 07/03/1998 0.78 10/02/1998 0.30 09/01/2000 0.58 08/06/2002 0.30 11/22/2002 0.49 04/08/2004 0.39 04/23/2005 0.49 04/06/2006 0.49 07/01/2008 0.78 08/07/2009 0.49 06/20/2010 0.68 10/03/2010 0.97 Duration: 6 hours 08/01/1948 1.15 05/13/1951 0.61 06/28/1952 0.61 06/06/1953 0.44 07/01/1954 0.65 07/11/1955 0.95 07/03/1956 1.22 05/12/1958 0.83 09/16/1959 1.40 08/01/1960 0.72 08/25/1961 0.59 05/13/1962 0.51 06/29/1963 0.63 06/08/1964 1.34 08/23/1965 0.58 08/27/1966 0.75 06/22/1967 0.77 05/10/1970 0.72 06/28/1971 0.58 07/13/1975 0.57 06/15/1976 0.69 06/08/1977 0.79 07/18/1978 0.69 06/05/1979 0.49 05/25/1980 1.18 05/26/1982 0.69 06/17/1983 0.59 04/19/1984 0.69 05/29/1985 0.98 07/21/1987 1.08 05/30/1988 0.88 08/12/1989 0.59 07/02/1993 0.78 04/10/1996 0.49 06/04/1997 0.59 07/03/1998 0.79 10/02/1998 0.30 09/01/2000 0.88 06/08/2002 0.39 11/22/2002 0.69 01/24/2004 0.39 04/23/2005 0.59 04/05/2006 0.69 07/01/2008 0.79 08/07/2009 0.59 06/20/2010 0.69 10/03/2010 1.08 Duration: 12 hours 08/01/1948 1.18 04/30/1951 1.09 05/03/1952 0.61 05/24/1953 0.55 06/30/1954 0.72 07/11/1955 0.95 07/03/1956 1.65 05/12/1958 1.14 09/16/1959 1.40 08/01/1960 0.83 10/11/1960 0.79 05/13/1962 0.62 06/28/1963 0.90 06/07/1964 1.78 08/23/1965 1.01 06/24/1966 0.91 06/22/1967 0.92 05/10/1970 1.42 06/01/1971 0.97 06/13/1973 1.12 06/19/1975 0.57 07/12/1976 1.09 06/08/1977 0.79 04/20/1978 0.79 06/05/1979 0.50 05/25/1980 1.68 05/26/1982 0.99 06/17/1983 0.79 04/19/1984 1.09 05/29/1985 1.68 07/21/1987 1.39 05/30/1988 1.09 08/25/1989 0.69 07/02/1993 1.09 04/10/1996 0.79 05/24/1997 0.89 05/26/1998 0.79 09/01/2000 0.89 06/08/2002 0.79 11/22/2002 0.89 05/10/2004 0.50 09/30/2005 0.99 04/06/2006 1.09 06/01/2008 0.79 07/13/2009 0.79 06/16/2010 0.79 Duration: 1 day 09/16/1949 0.71 06/25/1950 0.92 04/30/1951 1.43 05/03/1952 0.73 05/24/1953 0.61 08/25/1954 0.69 07/11/1955 0.89 07/02/1956 1.72 05/19/1957 1.28 05/12/1958 1.19 09/16/1959 1.20 08/01/1960 0.73 10/11/1960 0.71 05/13/1962 0.56 06/28/1963 1.03 06/07/1964 1.95 08/22/1965 1.09 06/23/1966 0.90 06/22/1967 0.79 10/23/1967 0.53 06/13/1969 0.72 05/10/1970 1.32 06/01/1971 0.91 06/19/1975 0.85 07/12/1976 0.94 06/08/1977 0.68 05/23/1978 0.85 06/05/1979 0.43 05/25/1980 2.14 05/26/1982 0.94 07/19/1983 0.94 04/19/1984 1.20 05/29/1985 1.97 07/21/1987 1.45 05/30/1988 1.11 09/17/1989 0.94 07/02/1993 1.03 04/10/1996 0.94 05/24/1997 1.20 05/26/1998 0.68 11/28/1998 0.34 09/01/2000 0.85 10/01/2000 0.70 06/08/2002 0.68 11/22/2002 0.85 05/21/2004 0.68 06/02/2005 0.85 04/05/2006 1.37 09/21/2008 0.94 07/13/2009 0.85 06/16/2010 1.11 Duration: 2 days 09/16/1949 0.78 06/24/1950 1.04 04/28/1951 1.96 05/03/1952 0.82 06/06/1953 0.87 08/24/1954 0.81 07/10/1955 1.00 07/02/1956 1.99 05/19/1957 1.72 06/09/1958 1.72 09/16/1959 1.32 07/31/1960 0.83 05/04/1961 1.22 11/23/1961 0.74 06/28/1963 1.14 06/06/1964 2.24 08/22/1965 1.23 06/02/1966 1.02 06/22/1967 0.88 06/12/1968 0.75 06/12/1969 1.12 05/10/1970 1.46 06/01/1971 1.01 06/19/1975 1.00 06/15/1976 1.13 06/08/1977 0.75 05/23/1978 1.04 05/27/1979 0.47 05/25/1980 2.74 05/26/1982 1.13 07/19/1983 1.13 04/18/1984 1.42 05/29/1985 2.26 07/21/1987 1.60 05/29/1988 1.60 08/23/1989 1.42 07/02/1993 1.23 04/10/1996 1.23 05/23/1997 1.60 06/11/1998 1.13 09/01/2000 1.04 06/12/2001 1.10 06/08/2002 1.04 11/22/2002 0.94 05/21/2004 1.04 06/01/2005 1.32 04/05/2006 1.51 09/21/2008 1.32 07/13/2009 0.94 06/16/2010 1.89 Duration: 3 days 09/16/1949 0.80 06/23/1950 1.11 04/28/1951 2.38 06/09/1952 0.85 06/06/1953 0.89 08/24/1954 0.93 07/09/1955 1.43 07/02/1956 2.31 05/19/1957 2.19 06/08/1958 1.78 09/16/1959 1.43 05/02/1960 1.06 05/04/1961 1.72 11/22/1961 0.97 06/28/1963 1.16 06/06/1964 2.42 08/22/1965 1.25 06/02/1966 1.13 05/28/1967 0.90 08/14/1968 0.97 06/24/1969 1.29 05/10/1970 1.64 06/01/1971 1.25 06/19/1975 1.13 06/15/1976 1.15 06/08/1977 0.77 05/23/1978 1.06 05/27/1979 0.58 05/23/1980 3.56 06/27/1982 1.44 07/19/1983 1.15 04/17/1984 1.83 05/27/1985 2.40 07/19/1987 1.83 05/30/1988 1.73 08/22/1989 1.83 07/02/1993 1.25 04/10/1996 1.25 05/23/1997 1.83 06/11/1998 1.25 11/28/1998 0.48 09/01/2000 1.15 06/12/2001 1.12 06/08/2002 1.35 11/22/2002 0.96 05/20/2004 1.15 05/31/2005 1.44 04/04/2006 1.83 09/21/2008 1.35 07/13/2009 0.96 06/16/2010 1.93 Duration: 4 days 09/16/1949 0.81 06/22/1950 1.24 04/28/1951 2.44 05/03/1952 0.92 06/03/1953 0.92 08/23/1954 0.98 07/09/1955 1.45 07/02/1956 2.39 05/19/1957 2.40 06/06/1958 1.91 09/16/1959 1.50 05/02/1960 1.07 05/04/1961 1.77 11/22/1961 1.28 02/01/1963 1.17 06/06/1964 2.45 08/19/1965 1.54 05/31/1966 1.43 05/30/1967 0.95 08/14/1968 1.29 06/23/1969 2.00 05/10/1970 1.70 05/29/1971 1.43 06/19/1975 1.19 06/12/1976 1.26 09/28/1977 0.87 12/06/1977 1.35 11/27/1978 0.59 05/22/1980 4.76 06/27/1982 1.55 07/19/1983 1.17 04/17/1984 1.94 05/29/1985 2.82 07/18/1987 2.23 05/29/1988 1.84 08/21/1989 1.94 06/23/1991 2.00 07/02/1993 1.55 04/10/1996 1.27 05/23/1997 1.85 06/11/1998 1.55 09/01/2000 1.36 06/12/2001 1.20 06/08/2002 1.46 11/22/2002 0.97 05/20/2004 1.17 06/01/2005 1.84 04/04/2006 1.85 09/21/2008 1.36 07/13/2009 0.97 06/16/2010 1.95 Duration: 7 days 09/10/1949 1.34 06/21/1950 1.30 04/28/1951 2.46 06/09/1952 1.01 06/03/1953 1.25 08/19/1954 1.25 07/06/1955 2.08 07/02/1956 2.41 05/19/1957 2.42 06/06/1958 2.07 09/16/1959 1.61 07/31/1960 1.20 04/29/1961 2.35 11/22/1961 1.31 10/09/1962 1.39 06/02/1964 3.01 12/18/1964 2.01 05/30/1966 1.77 11/28/1966 1.28 08/14/1968 1.93 06/22/1969 3.09 05/10/1970 1.72 06/01/1971 1.75 08/22/1975 1.43 06/15/1976 1.67 09/24/1977 0.88 12/06/1977 1.76 05/23/1979 0.98 05/21/1980 5.39 06/22/1982 1.96 07/14/1983 1.47 04/17/1984 1.96 05/27/1985 3.04 05/27/1988 1.96 08/21/1989 2.45 06/19/1991 2.62 07/02/1993 1.76 04/10/1996 1.37 05/24/1997 2.25 05/21/1998 1.86 11/21/1998 0.69 09/01/2000 1.47 06/09/2001 1.40 06/08/2002 1.57 11/22/2002 0.98 05/16/2004 1.47 05/31/2005 2.16 04/01/2006 2.45 09/21/2008 1.39 08/07/2009 1.27 06/16/2010 2.94 Duration: 10 days 09/10/1949 1.37 06/18/1950 1.38 04/29/1951 2.51 06/10/1952 1.16 05/30/1953 1.52 08/22/1954 1.40 07/05/1955 2.19 07/02/1956 2.49 05/14/1957 2.67 06/03/1958 2.21 09/16/1959 2.00 08/01/1960 1.23 04/30/1961 2.76 11/22/1961 1.46 06/22/1963 1.57 06/03/1964 3.07 12/19/1964 2.65 05/31/1966 1.81 05/29/1967 1.38 08/14/1968 2.13 06/21/1969 3.82 05/11/1970 1.93 05/30/1971 2.17 08/23/1975 1.62 06/13/1976 1.90 09/22/1977 1.00 12/07/1977 2.02 05/28/1979 1.10 05/22/1980 5.60 06/22/1982 2.40 07/14/1983 1.50 04/18/1984 2.00 05/30/1985 3.70 05/28/1988 2.00 08/21/1989 2.60 06/17/1991 2.78 07/03/1993 1.90 04/11/1996 1.40 05/24/1997 2.60 05/22/1998 2.30 11/22/1998 0.90 09/02/2000 1.80 06/09/2001 1.50 06/08/2002 1.60 11/15/2002 1.20 05/21/2004 1.60 06/01/2005 2.20 03/30/2006 2.70 06/02/2008 2.00 08/07/2009 1.30 06/16/2010 3.00 Duration: 20 days 09/03/1949 1.46 06/07/1950 2.37 04/29/1951 4.60 06/11/1952 2.16 05/20/1953 2.66 08/14/1954 2.53 06/24/1955 3.25 06/16/1956 4.15 05/20/1957 3.69 06/01/1958 2.46 09/16/1959 2.71 05/03/1960 1.58 04/19/1961 3.83 05/04/1962 1.97 01/17/1963 2.93 06/03/1964 3.65 12/19/1964 3.15 06/01/1966 2.39 11/16/1966 2.25 08/14/1968 2.82 06/12/1969 4.94 07/17/1970 2.32 05/30/1971 2.39 08/17/1975 2.37 06/02/1976 2.10 09/17/1977 1.60 12/06/1977 3.00 05/24/1979 1.50 05/07/1980 7.30 06/22/1982 2.80 07/02/1983 2.40 04/06/1984 2.50 05/19/1985 4.30 05/17/1988 2.20 08/09/1989 3.80 06/07/1991 3.90 07/03/1993 3.30 05/12/1996 2.10 05/24/1997 4.00 05/15/1998 3.40 11/14/1998 1.50 09/02/2000 2.10 06/09/2001 1.90 06/08/2002 1.90 11/11/2002 1.30 05/11/2004 2.40 06/01/2005 3.00 05/28/2006 3.20 05/25/2008 2.60 07/27/2009 1.40 06/03/2010 3.90 Duration: 30 days 04/23/1949 1.91 01/14/1950 2.69 04/29/1951 4.90 06/07/1952 2.42 05/20/1953 2.78 08/06/1954 3.03 06/24/1955 3.25 06/16/1956 4.91 05/14/1957 4.44 05/13/1958 3.28 09/16/1959 3.81 05/03/1960 2.18 05/02/1961 4.36 05/06/1962 2.38 01/10/1963 3.23 06/06/1964 3.81 11/30/1964 3.60 05/31/1966 3.71 05/29/1967 3.01 08/14/1968 3.07 06/07/1969 5.93 12/28/1969 2.81 05/31/1971 3.07 08/07/1975 2.56 06/15/1976 3.00 09/03/1977 2.10 11/24/1977 3.90 05/11/1979 1.60 04/30/1980 8.70 06/22/1982 3.40 06/28/1983 3.40 03/22/1984 2.70 05/19/1985 4.30 05/05/1988 3.10 08/09/1989 4.20 05/28/1991 4.80 06/28/1993 4.00 05/01/1996 2.30 05/24/1997 4.30 05/17/1998 4.70 11/06/1998 1.70 09/02/2000 2.80 03/19/2001 2.00 06/08/2002 2.10 05/26/2003 1.80 05/11/2004 2.80 06/01/2005 3.70 05/24/2006 3.60 05/14/2008 3.40 07/13/2009 1.90 05/25/2010 6.00 Duration: 45 days 04/20/1949 2.40 06/14/1950 3.86 04/29/1951 5.89 09/11/1951 2.70 04/27/1953 3.34 08/06/1954 4.31 06/13/1955 3.92 06/02/1956 5.30 05/04/1957 5.44 05/12/1958 4.03 08/29/1959 4.12 05/03/1960 2.51 04/17/1961 5.90 11/25/1961 2.75 06/01/1963 3.45 06/03/1964 4.78 11/24/1964 4.47 05/31/1966 4.61 05/10/1967 3.75 08/14/1968 4.25 05/30/1969 6.48 05/11/1970 3.58 05/30/1971 4.03 07/29/1975 3.15 05/31/1976 3.80 08/23/1977 2.60 11/26/1977 4.70 05/01/1979 2.10 04/30/1980 11.30 05/26/1982 4.60 06/11/1983 4.60 04/06/1984 3.30 08/10/1985 4.70 05/17/1988 3.80 08/09/1989 5.40 05/18/1991 6.10 06/14/1993 4.60 05/12/1996 3.60 05/24/1997 5.40 05/22/1998 5.90 11/14/1998 1.90 09/02/2000 3.10 03/19/2001 2.40 06/08/2002 2.40 05/13/2003 2.20 04/28/2004 3.40 04/24/2005 4.20 05/24/2006 3.90 05/21/2008 4.30 07/13/2009 2.60 05/09/2010 6.50 Duration: 60 days 04/20/1949 2.51 06/08/1950 4.87 04/29/1951 7.04 05/03/1952 3.48 04/23/1953 3.74 08/06/1954 4.83 05/28/1955 4.12 05/24/1956 5.67 05/01/1957 5.72 05/12/1958 4.70 09/16/1959 4.69 05/03/1960 3.08 04/14/1961 6.52 11/23/1961 3.97 12/17/1962 3.97 04/21/1964 5.67 07/27/1965 4.91 05/31/1966 5.03 04/26/1967 4.68 08/14/1968 4.48 05/15/1969 6.81 06/06/1970 4.25 05/16/1971 4.46 07/14/1975 3.81 06/10/1976 4.20 08/04/1977 3.10 11/23/1977 5.40 04/09/1979 2.60 04/30/1980 12.10 05/18/1982 5.50 06/02/1983 5.00 04/06/1984 3.70 08/10/1985 5.10 05/05/1988 4.70 08/09/1989 5.80 05/08/1991 7.00 07/03/1993 5.70 04/01/1996 4.40 05/24/1997 6.10 05/15/1998 7.00 11/14/1998 2.20 09/02/2000 3.50 02/12/2001 2.50 06/08/2002 2.80 04/25/2003 2.80 04/02/2004 4.10 04/08/2005 5.60 03/30/2006 4.00 05/13/2008 5.00 09/21/2008 3.20 04/28/2010 7.00