Precipitation annual maximum series (inches) Station ID: 24-7136 Station name: ROCK SPRINGS State: MT Latitude (decimal degrees): 46.8203 Longitude (decimal degrees): -106.2453 Elevation (feet): 3024 Duration: 1 day 06/27/1952 1.01 06/24/1953 1.10 08/21/1954 0.91 05/03/1955 1.07 06/13/1956 1.20 06/16/1957 1.07 06/03/1958 0.57 04/16/1959 0.70 04/24/1960 0.56 09/10/1961 1.52 05/13/1962 1.03 06/03/1963 1.26 06/18/1964 3.70 06/13/1965 1.25 08/20/1966 0.77 06/07/1967 1.53 08/23/1968 1.22 06/25/1969 1.09 06/12/1970 0.98 09/20/1971 0.63 10/18/1971 1.34 06/18/1973 1.92 08/20/1974 0.88 05/06/1975 2.40 06/14/1976 1.49 06/14/1977 1.20 09/18/1978 1.83 06/27/1979 0.57 06/15/1980 1.35 10/22/1980 1.44 09/27/1982 1.13 10/27/1982 0.80 06/10/1984 1.00 07/29/1985 1.30 06/08/1986 1.36 05/26/1987 1.96 06/12/1988 0.82 07/14/1989 1.20 04/26/1990 1.01 06/28/1991 1.44 06/30/1992 1.52 06/07/1993 1.31 07/06/1994 0.99 05/26/1995 0.76 09/17/1996 0.82 07/01/1997 2.91 04/25/1998 1.09 08/12/1999 1.23 06/08/2000 1.18 07/14/2001 1.56 07/17/2002 0.89 05/04/2003 0.94 07/05/2004 1.77 06/08/2005 1.05 05/21/2007 1.40 05/02/2008 1.45 06/20/2010 2.35 05/10/2011 2.75 05/28/2012 1.40 05/30/2013 2.74 08/24/2014 2.41 06/26/2015 1.03 05/10/2016 1.30 06/01/2018 1.09 09/12/2019 2.11 05/07/2020 1.06 06/08/2021 0.96 07/07/2022 1.35 Duration: 2 days 06/27/1952 1.11 04/29/1953 1.41 10/21/1953 1.29 05/16/1955 1.37 12/23/1955 1.32 06/16/1957 1.72 07/03/1958 0.82 10/20/1958 0.91 05/22/1960 0.63 09/09/1961 1.68 05/13/1962 1.14 06/02/1963 1.80 06/17/1964 4.08 05/06/1965 1.70 08/20/1966 1.38 06/06/1967 1.85 08/22/1968 1.43 06/25/1969 1.79 09/08/1970 1.08 08/30/1971 0.98 10/18/1971 1.48 04/19/1973 2.74 08/20/1974 1.05 05/05/1975 2.65 06/14/1976 1.64 06/14/1977 1.32 05/17/1978 2.57 05/28/1979 0.64 06/15/1980 1.49 10/22/1980 1.59 09/27/1982 1.25 06/11/1983 0.95 06/14/1984 1.10 07/29/1985 1.73 09/18/1986 1.69 05/25/1987 3.69 06/12/1988 0.91 07/13/1989 1.75 04/26/1990 1.46 06/24/1991 2.10 04/18/1992 1.79 07/26/1993 1.52 07/06/1994 1.32 06/21/1995 0.96 05/23/1996 1.51 07/01/1997 3.21 04/25/1998 1.20 08/12/1999 1.36 06/08/2000 1.30 07/14/2001 1.72 07/16/2002 1.47 05/04/2003 1.31 06/10/2004 2.11 06/07/2005 1.54 03/28/2007 1.57 05/01/2008 1.60 05/09/2011 3.36 05/28/2012 1.55 05/29/2013 4.64 08/23/2014 2.84 06/25/2015 1.14 05/10/2016 1.69 05/17/2018 1.27 09/11/2019 3.57 05/07/2020 1.17 06/08/2021 1.06 07/07/2022 1.49 06/19/2023 2.63 Duration: 3 days 06/25/1952 1.15 05/27/1953 1.58 10/21/1953 1.31 05/15/1955 1.40 06/13/1956 1.53 06/16/1957 1.80 07/03/1958 0.84 11/15/1958 0.95 05/22/1960 0.89 09/10/1961 2.19 06/04/1962 1.31 06/03/1963 2.21 06/17/1964 4.16 06/13/1965 2.20 08/20/1966 1.41 09/13/1967 2.01 08/22/1968 1.46 06/25/1969 1.98 04/26/1970 1.37 08/30/1971 1.17 10/16/1971 1.51 04/18/1973 3.02 08/20/1974 1.07 05/06/1975 3.01 06/14/1976 1.68 06/12/1977 1.68 05/17/1978 3.25 07/24/1979 0.74 06/13/1980 2.50 10/22/1980 1.62 09/27/1982 1.27 06/11/1983 0.97 06/14/1984 1.23 07/29/1985 2.09 09/18/1986 2.05 05/25/1987 4.79 06/12/1988 0.92 07/13/1989 1.78 04/26/1990 1.49 06/23/1991 2.14 04/17/1992 1.83 07/26/1993 1.55 07/06/1994 1.35 06/21/1995 1.29 05/23/1996 1.65 06/29/1997 3.27 04/25/1998 1.23 08/12/1999 1.38 06/08/2000 1.33 07/14/2001 1.76 07/16/2002 1.50 05/04/2003 1.39 06/10/2004 2.15 06/07/2005 1.57 05/21/2007 2.40 05/01/2008 1.63 05/08/2011 4.28 05/28/2012 1.58 05/29/2013 6.47 08/23/2014 3.20 06/24/2015 1.16 05/10/2016 1.72 05/17/2018 1.29 09/11/2019 3.64 05/05/2020 1.19 06/08/2021 1.68 07/05/2022 1.82 06/19/2023 3.03 Duration: 4 days 06/25/1952 1.16 05/27/1953 1.70 10/21/1953 1.33 07/04/1955 1.92 07/03/1956 1.74 06/16/1957 1.82 07/03/1958 0.84 11/14/1958 0.98 05/22/1960 0.90 09/09/1961 2.29 05/13/1962 1.48 06/02/1963 2.75 06/16/1964 4.20 06/13/1965 2.67 08/20/1966 1.42 09/12/1967 2.36 08/20/1968 1.49 06/24/1969 2.03 04/26/1970 1.82 08/30/1971 1.18 10/16/1971 1.52 04/17/1973 3.20 05/28/1974 1.13 05/05/1975 3.22 06/11/1976 2.39 06/12/1977 1.70 05/17/1978 3.28 06/27/1979 0.87 06/12/1980 2.63 10/22/1980 1.64 09/27/1982 1.28 06/11/1983 0.98 06/07/1984 1.33 07/29/1985 2.11 09/17/1986 2.35 05/25/1987 4.87 06/12/1988 0.93 07/13/1989 1.80 04/24/1990 1.54 06/25/1991 2.76 04/17/1992 1.85 07/03/1993 1.66 07/06/1994 1.36 10/15/1994 1.31 05/23/1996 1.85 06/29/1997 3.31 06/13/1998 1.24 08/12/1999 2.11 06/08/2000 1.34 07/14/2001 1.88 07/16/2002 1.51 05/04/2003 1.40 07/02/2004 2.52 06/07/2005 1.58 05/21/2007 2.42 05/23/2008 1.74 05/08/2011 4.32 05/28/2012 1.59 05/29/2013 6.59 08/22/2014 3.50 06/24/2015 1.17 05/10/2016 1.96 05/07/2018 1.51 09/09/2019 3.82 05/20/2020 1.20 06/08/2021 1.70 07/07/2022 2.68 06/19/2023 3.06 Duration: 7 days 03/06/1952 1.25 05/24/1953 2.33 08/16/1954 2.05 07/04/1955 2.17 06/13/1956 1.84 06/16/1957 2.57 07/03/1958 1.33 09/19/1959 1.11 05/22/1960 1.07 09/09/1961 2.31 05/13/1962 1.49 06/02/1963 3.34 06/14/1964 4.36 06/13/1965 2.70 08/20/1966 1.43 06/07/1967 3.04 06/09/1968 2.15 06/21/1969 2.34 04/26/1970 1.84 08/30/1971 1.28 05/19/1972 1.54 04/17/1973 3.35 08/14/1974 1.32 05/05/1975 3.32 06/11/1976 2.83 06/12/1977 1.92 09/12/1978 3.75 07/24/1979 1.06 06/11/1980 2.66 10/16/1980 1.78 05/23/1982 1.58 05/06/1983 1.37 06/10/1984 2.41 07/29/1985 2.66 09/14/1986 2.66 05/25/1987 4.93 06/12/1988 0.94 07/09/1989 1.82 04/24/1990 1.60 06/24/1991 4.24 06/30/1992 2.22 07/22/1993 2.37 07/03/1994 1.47 06/18/1995 1.40 05/23/1996 1.87 06/30/1997 3.34 06/10/1998 1.33 08/12/1999 2.13 06/08/2000 1.35 07/14/2001 2.15 07/16/2002 1.66 05/04/2003 2.36 07/01/2004 2.98 06/02/2005 1.71 05/21/2007 3.05 05/22/2008 2.01 06/16/2010 3.65 05/18/2011 4.86 05/28/2012 1.61 05/29/2013 6.70 08/21/2014 3.56 05/31/2015 1.44 05/10/2016 2.02 05/28/2018 1.83 09/06/2019 4.16 05/20/2020 1.43 06/05/2021 1.89 07/04/2022 3.36 06/19/2023 4.18 Duration: 10 days 06/19/1952 1.61 05/24/1953 2.93 08/13/1954 2.19 07/04/1955 2.21 06/13/1956 1.95 06/14/1957 2.62 06/30/1958 1.43 09/16/1959 1.33 05/22/1960 1.09 09/10/1961 2.79 05/13/1962 1.96 06/02/1963 3.41 06/11/1964 4.60 06/13/1965 2.78 06/03/1966 1.46 06/04/1967 3.46 06/05/1968 2.89 06/24/1969 2.75 04/20/1970 1.87 05/22/1971 1.32 05/12/1972 1.86 04/17/1973 3.42 05/20/1974 1.60 04/29/1975 3.74 06/05/1976 3.23 06/09/1977 2.02 09/11/1978 4.57 07/24/1979 1.08 06/12/1980 2.98 10/15/1980 2.40 05/19/1982 2.54 06/12/1983 1.48 06/07/1984 2.74 07/29/1985 2.71 09/17/1986 3.63 05/19/1987 5.60 09/11/1988 0.96 07/09/1989 1.86 04/26/1990 1.63 06/20/1991 4.99 06/30/1992 2.34 07/22/1993 2.42 07/03/1994 1.50 06/18/1995 1.43 05/23/1996 2.11 06/23/1997 3.40 06/07/1998 1.63 08/12/1999 2.17 05/31/2000 1.85 07/14/2001 2.69 07/09/2002 2.10 05/04/2003 2.41 07/01/2004 3.07 05/30/2005 2.35 05/21/2007 3.72 05/02/2008 2.53 06/11/2010 4.06 05/17/2011 5.16 10/07/2011 1.64 05/29/2013 6.83 08/16/2014 3.79 05/28/2015 1.60 05/10/2016 2.06 05/23/2018 1.93 09/06/2019 4.24 05/16/2020 1.46 06/05/2021 2.09 07/04/2022 3.62 06/19/2023 4.30 Duration: 20 days 06/25/1952 1.75 05/17/1953 4.44 08/04/1954 2.95 06/24/1955 2.79 06/18/1956 2.19 06/10/1957 3.52 06/30/1958 1.99 09/18/1959 1.64 05/08/1960 1.37 09/02/1961 3.29 05/13/1962 2.85 05/26/1963 4.01 06/16/1964 5.42 06/13/1965 3.49 06/03/1966 1.61 06/06/1967 4.20 06/05/1968 4.06 06/21/1969 3.81 04/26/1970 3.23 05/23/1971 1.85 05/08/1972 2.64 04/17/1973 3.79 05/13/1974 2.54 04/24/1975 5.73 06/04/1976 4.53 08/22/1977 2.36 05/17/1978 5.42 06/22/1979 1.10 06/03/1980 3.46 05/08/1981 2.85 05/09/1982 3.30 06/11/1983 1.76 06/05/1984 3.41 07/29/1985 3.54 09/14/1986 4.09 05/13/1987 6.83 06/12/1988 1.42 04/24/1989 2.43 04/26/1990 2.11 06/20/1991 5.58 06/30/1992 3.28 07/03/1993 3.62 05/30/1994 2.45 06/03/1995 2.27 05/06/1996 3.38 06/29/1997 4.22 06/07/1998 2.54 08/12/1999 2.44 05/20/2000 2.25 06/03/2001 3.35 07/07/2002 2.60 04/26/2003 2.66 07/01/2004 3.43 06/01/2005 2.82 05/21/2007 5.16 05/08/2008 3.09 06/01/2010 5.08 05/08/2011 9.59 05/28/2012 1.70 05/29/2013 8.07 08/15/2014 4.03 05/27/2015 1.90 04/24/2016 3.41 04/30/2018 3.21 09/11/2019 5.24 05/05/2020 2.86 05/26/2021 2.53 07/03/2022 3.82 06/03/2023 5.40 Duration: 30 days 06/19/1952 2.23 05/09/1953 5.65 08/04/1954 2.96 06/15/1955 3.73 06/13/1956 3.79 05/20/1957 3.82 07/03/1958 2.55 10/20/1958 2.17 05/18/1960 1.79 09/01/1961 3.56 05/13/1962 4.21 05/11/1963 5.56 06/07/1964 6.10 06/13/1965 5.61 06/03/1966 2.37 06/04/1967 4.30 05/26/1968 4.60 06/21/1969 4.29 04/14/1970 3.43 05/30/1971 2.56 09/20/1971 3.18 05/21/1973 4.77 05/13/1974 2.98 04/24/1975 6.28 06/04/1976 4.74 08/15/1977 2.65 05/04/1978 6.77 06/27/1979 1.84 05/25/1980 3.88 05/05/1981 3.91 05/19/1982 4.48 06/11/1983 2.33 06/07/1984 3.75 07/29/1985 3.93 08/30/1986 4.54 05/02/1987 7.16 06/12/1988 1.42 06/16/1989 2.78 04/24/1990 2.72 06/04/1991 6.88 06/30/1992 4.44 06/28/1993 5.60 05/20/1994 2.99 05/26/1995 3.36 04/27/1996 4.42 06/18/1997 4.82 06/07/1998 3.69 08/12/1999 3.24 05/26/2000 2.56 06/03/2001 3.74 06/18/2002 3.40 04/16/2003 3.24 06/10/2004 5.23 05/30/2005 4.08 05/02/2007 6.19 05/01/2008 4.62 05/08/2011 10.71 07/05/2012 2.20 05/18/2013 8.67 05/06/2014 4.80 05/28/2015 3.07 05/10/2016 4.09 05/07/2018 4.79 09/06/2019 6.02 05/01/2020 3.07 05/20/2021 3.09 06/20/2022 4.01 05/26/2023 8.29 Duration: 45 days 05/14/1952 2.91 04/24/1953 7.37 08/04/1954 3.85 06/15/1955 5.14 06/13/1956 4.64 05/20/1957 5.04 06/03/1958 3.52 10/09/1958 2.57 05/08/1960 2.36 07/30/1961 3.79 05/13/1962 4.47 04/28/1963 7.11 05/28/1964 6.71 05/30/1965 5.93 06/03/1966 2.54 06/04/1967 5.43 05/16/1968 5.19 06/10/1969 4.80 04/16/1970 4.28 05/17/1971 3.25 05/12/1972 3.94 04/19/1973 5.59 05/09/1974 3.53 04/05/1975 6.55 06/04/1976 5.82 08/22/1977 3.76 05/17/1978 8.16 06/18/1979 2.26 06/03/1980 4.11 05/05/1981 5.05 05/07/1982 5.75 09/14/1982 3.31 05/16/1984 4.15 07/23/1985 4.24 04/26/1986 5.24 05/16/1987 7.84 04/16/1989 3.36 04/24/1990 3.49 05/18/1991 7.74 06/12/1992 5.30 07/03/1993 6.04 05/27/1994 4.26 05/09/1995 4.27 05/01/1996 5.57 05/23/1997 6.09 05/30/1998 4.41 09/08/1998 3.43 05/29/2000 3.83 06/03/2001 5.62 06/08/2002 4.79 05/04/2003 4.72 05/22/2004 6.16 05/08/2005 4.64 04/19/2007 7.10 04/18/2008 4.65 06/10/2010 8.96 05/04/2011 13.30 05/28/2012 2.67 05/18/2013 9.24 05/06/2014 6.69 05/16/2015 3.55 04/18/2016 5.79 04/18/2018 6.38 08/11/2019 6.89 05/05/2020 4.25 05/05/2021 3.92 06/04/2022 4.64 05/24/2023 9.05 Duration: 60 days 05/14/1952 3.51 04/29/1953 9.22 08/04/1954 3.92 05/15/1955 6.54 05/08/1956 5.30 04/19/1957 5.64 06/03/1958 4.32 10/09/1958 2.95 04/24/1960 3.23 07/30/1961 4.66 05/13/1962 5.46 04/10/1963 8.61 05/28/1964 6.71 05/23/1965 6.28 05/11/1966 3.00 04/20/1967 5.87 05/06/1968 5.51 05/17/1969 5.59 04/20/1970 5.75 04/15/1971 3.63 08/30/1971 4.89 04/20/1973 6.81 05/09/1974 4.08 04/24/1975 8.21 05/12/1976 6.60 08/15/1977 4.17 05/06/1978 10.23 05/28/1979 2.84 05/25/1980 4.62 04/24/1981 5.59 05/07/1982 6.87 05/06/1983 3.51 05/16/1984 4.72 07/29/1985 5.10 04/11/1986 5.75 05/20/1987 9.16 04/24/1989 4.40 04/24/1990 3.83 05/03/1991 8.61 06/08/1992 5.78 05/29/1993 8.09 05/13/1994 4.91 04/30/1995 4.93 05/01/1996 6.57 05/23/1997 7.14 05/09/1998 4.82 09/08/1998 4.07 05/20/2000 4.50 06/03/2001 6.97 05/22/2002 5.58 04/16/2003 5.60 05/16/2004 7.28 05/08/2005 5.45 04/09/2007 7.81 03/29/2008 5.18 06/01/2010 9.51 04/19/2011 15.19 05/28/2012 3.30 05/29/2013 10.16 04/30/2014 7.47 05/16/2015 3.68 04/15/2016 7.13 04/24/2018 7.45 08/11/2019 8.32 05/07/2020 5.54 04/18/2021 4.20 05/12/2022 5.76 05/06/2023 9.59