Precipitation annual maximum series (inches) Station ID: 48-4126 Station name: GUERNSEY DAM #2 State: WY Latitude (decimal degrees): 42.2906 Longitude (decimal degrees): -104.7625 Elevation (feet): 4355 Duration: 1 hour 04/24/1990 0.91 06/06/1991 1.05 05/21/1992 0.51 08/05/1993 0.41 06/03/1994 0.28 05/19/1995 0.88 08/22/1996 0.41 05/25/1997 0.52 08/20/1998 0.72 09/03/1999 0.49 08/27/2002 0.49 03/27/2003 0.31 09/30/2004 0.25 07/14/2005 0.67 05/09/2006 0.69 05/05/2007 0.71 05/22/2008 0.93 06/23/2009 0.37 06/09/2010 0.84 07/13/2011 1.31 07/05/2012 0.43 08/21/2013 0.59 05/21/2014 0.99 06/11/2015 0.84 07/01/2016 0.66 07/27/2017 0.37 05/10/2018 0.94 07/05/2019 0.97 09/11/2020 0.19 06/05/2021 0.69 Duration: 2 hours 04/24/1990 1.21 06/06/1991 1.24 05/21/1992 0.78 08/05/1993 0.62 07/15/1994 0.41 05/19/1995 1.12 08/22/1996 0.64 05/25/1997 0.78 08/20/1998 0.77 09/03/1999 0.68 08/27/2002 0.60 06/16/2003 0.48 09/30/2004 0.45 07/14/2005 0.72 05/09/2006 0.74 05/05/2007 0.84 05/22/2008 1.63 07/07/2009 0.52 06/09/2010 0.90 07/13/2011 1.56 07/05/2012 0.46 08/21/2013 0.63 05/21/2014 1.63 06/11/2015 1.20 03/30/2016 0.75 07/19/2017 0.43 05/10/2018 1.01 07/05/2019 1.04 09/11/2020 0.32 06/05/2021 0.74 Duration: 3 hours 04/24/1990 1.43 05/15/1991 1.32 05/21/1992 0.98 08/05/1993 0.64 11/12/1993 0.42 05/19/1995 1.29 05/26/1996 0.65 05/25/1997 1.07 08/20/1998 0.79 09/03/1999 0.82 08/27/2002 0.63 06/16/2003 0.60 09/30/2004 0.66 07/14/2005 0.74 05/09/2006 0.80 05/05/2007 0.88 05/22/2008 1.67 07/07/2009 0.53 06/09/2010 0.92 07/12/2011 1.69 07/05/2012 0.47 08/21/2013 0.65 05/21/2014 2.26 06/11/2015 1.36 03/30/2016 0.86 03/31/2017 0.49 05/10/2018 1.03 07/04/2019 1.06 09/11/2020 0.46 06/05/2021 0.76 Duration: 6 hours 04/24/1990 1.45 05/15/1991 1.42 05/21/1992 1.42 06/02/1993 0.84 11/12/1993 0.63 05/19/1995 1.35 05/26/1996 1.14 05/24/1997 1.14 08/20/1998 0.80 06/10/1999 1.09 08/27/2002 0.87 03/18/2003 0.72 09/30/2004 0.95 07/14/2005 0.74 05/09/2006 0.84 05/05/2007 1.08 05/22/2008 1.91 04/17/2009 0.55 05/15/2010 1.12 07/12/2011 1.81 07/05/2012 0.49 09/11/2013 0.65 05/21/2014 2.67 06/11/2015 1.74 03/30/2016 1.08 05/18/2017 0.79 03/15/2018 1.14 07/04/2019 1.07 09/11/2020 0.65 06/05/2021 0.76 Duration: 12 hours 04/24/1990 1.54 05/15/1991 1.59 05/21/1992 1.45 06/02/1993 1.29 11/12/1993 0.68 05/19/1995 1.57 05/26/1996 1.60 05/24/1997 1.23 08/20/1998 0.80 06/10/1999 1.17 08/27/2002 0.87 03/18/2003 0.93 09/30/2004 1.73 04/20/2005 0.74 08/25/2006 0.86 05/05/2007 1.23 05/22/2008 2.02 04/17/2009 0.76 05/15/2010 1.37 07/12/2011 1.85 04/26/2012 0.62 09/11/2013 0.73 05/21/2014 2.72 06/11/2015 1.76 04/25/2016 1.40 03/31/2017 0.87 03/15/2018 1.21 07/04/2019 1.07 09/11/2020 0.73 06/05/2021 0.76 Duration: 1 day 04/13/1945 2.92 09/18/1946 1.12 09/07/1948 1.00 06/06/1949 1.44 05/25/1950 0.88 05/16/1951 1.83 08/22/1952 0.92 07/29/1953 1.00 07/14/1954 0.66 06/27/1955 2.42 06/17/1956 1.15 08/17/1957 1.77 04/05/1958 1.20 06/29/1959 1.24 05/05/1960 1.41 05/14/1961 1.06 05/15/1962 1.12 09/01/1963 1.64 04/20/1964 1.52 06/10/1965 1.73 09/01/1966 0.71 06/15/1967 2.09 04/03/1968 0.88 06/11/1969 2.65 06/12/1970 3.50 05/05/1971 1.48 06/05/1972 1.30 07/20/1973 1.52 09/12/1974 0.80 05/22/1975 0.54 05/23/1976 1.21 07/28/1977 1.43 05/18/1978 1.26 07/28/1979 1.25 08/15/1980 1.00 04/20/1981 1.28 05/13/1982 1.65 07/23/1983 2.53 04/20/1984 1.45 09/07/1985 1.02 06/28/1987 0.91 05/19/1988 1.85 05/14/1989 2.01 04/25/1990 1.73 05/16/1991 2.50 05/21/1992 1.25 06/02/1993 1.45 11/12/1993 0.61 05/19/1995 1.39 05/25/1996 1.59 05/24/1997 1.06 08/19/1998 0.72 10/27/1998 1.09 08/27/2002 0.74 03/18/2003 1.12 09/04/2004 1.21 09/30/2004 1.61 05/08/2006 0.78 05/04/2007 1.22 05/21/2008 2.58 04/16/2009 1.09 05/15/2010 1.39 07/12/2011 1.60 04/26/2012 0.54 09/11/2013 0.71 05/21/2014 2.28 06/10/2015 1.71 04/25/2016 1.81 05/19/2017 1.54 05/18/2018 1.38 07/04/2019 1.47 12/30/2019 0.79 10/26/2020 0.87 07/01/2022 0.88 05/12/2023 0.84 Duration: 2 days 04/13/1945 3.22 09/18/1946 1.24 09/07/1948 1.10 06/06/1949 1.73 04/28/1950 1.23 05/15/1951 2.16 08/21/1952 1.09 07/29/1953 1.18 09/29/1954 0.85 06/26/1955 2.67 06/16/1956 1.41 08/17/1957 1.95 05/14/1958 1.58 06/29/1959 1.84 05/05/1960 1.58 05/13/1961 1.59 06/29/1962 1.33 08/31/1963 2.98 06/21/1964 1.77 06/10/1965 2.53 09/01/1966 0.92 06/14/1967 2.31 04/03/1968 0.97 06/10/1969 3.00 06/11/1970 4.29 05/05/1971 2.59 06/04/1972 1.43 09/10/1973 2.58 06/08/1974 1.03 05/21/1975 0.84 05/22/1976 1.84 07/20/1977 1.61 05/17/1978 1.74 07/28/1979 1.38 05/11/1980 1.81 04/19/1981 1.92 05/13/1982 2.40 07/23/1983 3.22 04/20/1984 1.60 07/01/1985 1.13 06/09/1987 1.13 05/19/1988 2.07 05/14/1989 2.22 03/06/1990 2.02 05/16/1991 2.79 05/21/1992 1.38 06/02/1993 1.71 11/12/1993 0.77 05/19/1995 1.54 05/25/1996 1.91 05/24/1997 1.40 08/18/1998 1.01 09/01/1999 1.56 08/27/2002 1.05 03/17/2003 2.14 09/03/2004 1.57 09/30/2004 1.92 08/25/2006 1.24 05/03/2007 1.81 05/21/2008 3.99 07/03/2009 1.81 06/11/2010 1.86 07/12/2011 1.79 04/26/2012 0.60 09/11/2013 0.94 05/20/2014 3.02 06/10/2015 2.09 04/25/2016 2.20 05/18/2017 2.14 05/27/2018 1.70 07/04/2019 1.63 12/30/2019 0.88 10/26/2020 1.36 06/30/2022 1.06 05/11/2023 1.31 Duration: 3 days 04/12/1945 3.28 06/17/1946 1.26 09/07/1948 1.12 06/06/1949 2.52 04/28/1950 1.25 05/15/1951 2.20 08/21/1952 1.11 08/17/1953 1.22 09/29/1954 0.87 06/25/1955 2.72 06/16/1956 1.44 08/15/1957 2.00 05/13/1958 1.61 06/29/1959 1.88 05/04/1960 1.65 05/13/1961 1.62 05/15/1962 1.50 08/31/1963 3.04 04/02/1964 2.00 06/10/1965 2.58 08/31/1966 0.96 06/13/1967 2.41 05/22/1968 1.21 06/10/1969 3.06 06/11/1970 4.39 05/05/1971 2.64 05/09/1972 1.46 09/09/1973 2.63 06/08/1974 1.05 05/20/1975 0.86 05/22/1976 2.14 07/20/1977 1.64 05/17/1978 1.77 07/26/1979 1.49 05/11/1980 1.84 04/19/1981 1.96 05/12/1982 2.48 07/22/1983 3.36 04/20/1984 1.63 07/01/1985 1.15 06/07/1987 1.15 05/18/1988 2.12 04/26/1989 2.36 03/06/1990 2.08 05/16/1991 2.87 05/21/1992 1.41 06/01/1993 1.75 11/12/1993 0.89 05/05/1995 1.87 05/25/1996 2.02 05/24/1997 1.51 08/18/1998 1.29 09/01/1999 2.08 08/27/2002 1.07 03/16/2003 2.26 09/03/2004 1.60 09/30/2004 1.97 08/25/2006 1.41 05/03/2007 2.06 05/21/2008 4.28 07/03/2009 2.68 06/09/2010 2.45 07/12/2011 1.83 04/26/2012 0.61 09/11/2013 1.07 05/19/2014 3.12 06/10/2015 2.31 04/24/2016 2.28 05/18/2017 2.36 05/27/2018 1.73 05/25/2019 1.71 09/08/2020 1.12 10/26/2020 1.39 06/30/2022 1.08 05/10/2023 1.63 Duration: 4 days 04/10/1945 3.32 06/16/1946 1.39 09/07/1948 1.14 06/06/1949 2.69 04/28/1950 1.27 05/15/1951 2.39 08/21/1952 1.24 08/16/1953 1.23 09/29/1954 0.87 06/24/1955 2.75 06/16/1956 1.45 08/15/1957 2.02 05/13/1958 1.63 05/20/1959 1.89 05/03/1960 1.74 05/13/1961 1.68 05/15/1962 2.21 08/31/1963 3.07 04/02/1964 2.02 06/10/1965 2.60 08/31/1966 0.97 06/13/1967 2.45 05/22/1968 1.27 06/10/1969 3.23 06/11/1970 4.43 05/05/1971 2.67 05/09/1972 1.48 09/08/1973 2.66 06/08/1974 1.06 05/20/1975 0.86 05/22/1976 2.20 07/25/1977 2.67 05/17/1978 1.79 07/26/1979 1.50 05/11/1980 1.86 04/19/1981 1.98 05/11/1982 2.84 07/22/1983 3.39 04/20/1984 1.65 07/01/1985 1.16 06/07/1986 2.87 06/07/1987 1.63 05/18/1988 2.14 04/26/1989 2.38 03/06/1990 2.12 05/16/1991 2.93 05/21/1992 1.47 06/01/1993 1.77 11/12/1993 0.90 05/19/1995 1.95 05/23/1996 2.56 05/24/1997 1.59 08/17/1998 1.44 09/01/1999 2.10 09/08/2002 1.10 03/16/2003 2.28 09/03/2004 1.62 09/30/2004 2.01 08/25/2006 1.43 05/03/2007 2.10 05/21/2008 4.32 07/03/2009 3.05 06/09/2010 3.01 07/12/2011 2.00 04/26/2012 0.62 09/11/2013 1.28 05/19/2014 3.15 06/10/2015 2.36 04/23/2016 2.36 05/18/2017 2.41 05/27/2018 1.75 07/04/2019 2.13 09/07/2020 1.60 10/26/2020 1.40 06/30/2022 1.11 05/11/2023 1.82 Duration: 7 days 04/10/1945 3.35 06/13/1946 1.76 07/31/1948 1.15 06/04/1949 2.76 09/15/1950 1.58 05/15/1951 2.79 08/22/1952 1.28 08/16/1953 1.37 07/14/1954 0.98 06/22/1955 2.78 07/28/1956 1.61 05/12/1957 2.73 04/04/1958 1.69 06/26/1959 2.09 04/30/1960 1.79 05/13/1961 1.87 05/15/1962 2.79 08/31/1963 3.10 06/17/1964 2.83 05/08/1965 2.73 08/31/1966 1.08 06/09/1967 2.98 06/04/1968 2.22 06/07/1969 3.55 06/11/1970 4.73 05/05/1971 2.79 06/03/1972 1.99 09/10/1973 2.96 06/05/1974 1.08 05/20/1975 0.87 05/22/1976 2.60 07/20/1977 3.01 05/01/1978 2.04 07/23/1979 1.53 05/11/1980 2.18 04/16/1981 2.00 05/09/1982 2.97 07/18/1983 3.44 04/20/1984 2.78 06/26/1985 1.67 06/04/1986 3.48 06/07/1987 1.65 05/19/1988 2.16 05/09/1989 2.49 04/25/1990 2.16 06/01/1991 4.02 06/24/1992 1.81 06/01/1993 2.26 11/12/1993 0.91 05/02/1995 2.39 05/22/1996 2.78 05/24/1997 1.90 08/17/1998 1.45 09/01/1999 2.12 08/24/2002 1.30 03/16/2003 2.32 09/03/2004 1.63 09/30/2004 2.05 08/21/2006 1.59 04/30/2007 2.15 05/21/2008 4.89 07/01/2009 3.55 06/06/2010 3.57 05/18/2011 2.08 04/26/2012 0.75 09/09/2013 1.40 05/16/2014 3.22 06/07/2015 3.27 04/23/2016 3.21 05/18/2017 2.45 05/22/2018 2.22 06/30/2019 2.86 09/07/2020 1.63 03/11/2021 1.71 07/01/2022 1.40 05/08/2023 2.20 Duration: 10 days 04/10/1945 3.42 09/09/1946 1.90 07/28/1948 1.34 06/04/1949 3.11 04/28/1950 2.01 05/15/1951 2.85 05/16/1952 1.47 08/10/1953 1.50 07/14/1954 1.41 05/26/1955 2.83 06/17/1956 1.96 05/04/1957 3.17 05/14/1958 2.04 06/23/1959 2.66 04/27/1960 2.16 05/13/1961 1.91 05/15/1962 3.64 08/31/1963 3.16 06/14/1964 3.14 06/02/1965 3.65 08/31/1966 1.10 06/14/1967 4.50 06/04/1968 2.26 06/07/1969 3.62 06/11/1970 5.09 04/27/1971 2.89 06/01/1972 2.03 09/02/1973 3.42 06/05/1974 1.10 05/20/1975 1.18 05/22/1976 2.76 07/20/1977 4.44 04/30/1978 2.32 06/19/1979 1.56 05/11/1980 2.37 04/19/1981 2.04 05/09/1982 3.03 07/16/1983 3.59 04/20/1984 2.97 06/25/1985 1.73 06/04/1986 3.55 05/16/1987 2.00 05/18/1988 2.20 05/05/1989 2.54 03/06/1990 2.24 06/01/1991 4.37 06/25/1992 2.48 06/03/1993 2.52 05/06/1994 0.99 04/30/1995 2.75 05/23/1996 2.87 05/25/1997 2.36 08/18/1998 1.52 08/28/1999 2.26 08/24/2002 1.33 03/18/2003 3.17 09/05/2004 1.98 09/22/2004 2.20 08/20/2006 1.95 04/27/2007 2.36 05/22/2008 5.14 07/02/2009 3.62 06/07/2010 3.68 05/11/2011 2.60 04/26/2012 0.95 04/09/2013 1.50 05/15/2014 3.31 06/07/2015 3.54 04/22/2016 3.30 05/18/2017 2.70 05/19/2018 2.91 06/30/2019 3.38 09/07/2020 1.66 03/09/2021 2.13 06/30/2022 1.59 05/05/2023 2.24 Duration: 20 days 05/28/1945 4.44 09/02/1946 2.86 04/23/1948 1.86 05/05/1949 4.60 04/28/1950 2.63 05/15/1951 3.68 05/08/1952 2.58 07/29/1953 2.03 07/14/1954 1.48 05/16/1955 3.83 06/16/1956 2.99 05/13/1957 5.10 05/14/1958 3.01 05/04/1959 3.31 04/16/1960 2.48 05/05/1961 2.16 05/15/1962 5.69 08/17/1963 4.29 04/02/1964 3.72 05/23/1965 4.96 08/19/1966 1.84 06/09/1967 5.41 05/22/1968 4.18 06/07/1969 4.32 06/11/1970 5.29 04/18/1971 4.75 04/25/1972 2.91 09/02/1973 3.92 05/28/1974 1.54 05/20/1975 1.51 05/11/1976 3.01 07/20/1977 4.95 04/30/1978 4.16 06/19/1979 2.67 05/11/1980 2.67 04/19/1981 3.68 04/27/1982 3.33 07/16/1983 3.72 04/20/1984 3.88 07/15/1985 2.39 05/29/1986 3.96 05/22/1987 2.88 05/01/1988 2.21 04/26/1989 4.99 04/08/1990 3.06 05/16/1991 6.68 06/13/1992 3.33 06/03/1993 3.79 04/26/1994 1.75 05/01/1995 4.46 05/23/1996 3.37 05/25/1997 2.94 08/03/1998 2.34 05/27/1999 3.06 08/24/2002 2.57 03/18/2003 3.54 07/05/2004 2.00 05/30/2005 3.41 08/13/2006 2.09 04/19/2007 3.85 05/22/2008 5.81 06/19/2009 4.41 06/02/2010 3.91 05/10/2011 4.48 08/04/2013 2.00 05/08/2014 5.06 05/24/2015 5.31 04/20/2016 4.01 05/08/2017 2.76 05/10/2018 5.00 06/19/2019 3.79 09/07/2020 1.66 03/09/2021 2.15 04/23/2022 2.45 05/10/2023 3.02 Duration: 30 days 05/17/1945 4.97 08/21/1946 3.48 09/07/1948 2.57 05/15/1949 5.95 04/28/1950 3.66 04/20/1951 4.91 04/30/1952 3.23 07/29/1953 3.01 07/14/1954 2.13 06/01/1955 5.06 06/16/1956 2.99 05/04/1957 7.14 05/08/1958 3.28 05/04/1959 3.65 04/16/1960 2.65 05/13/1961 2.99 05/15/1962 6.82 08/05/1963 4.56 05/26/1964 5.19 05/14/1965 6.67 08/08/1966 2.59 05/26/1967 6.41 05/22/1968 4.55 06/10/1969 4.43 05/22/1970 5.83 05/22/1971 5.26 05/07/1972 3.56 09/02/1973 4.12 05/11/1974 1.89 05/21/1975 2.26 05/22/1976 3.98 07/20/1977 5.20 04/26/1978 4.96 06/07/1979 3.66 04/30/1980 2.95 04/19/1981 4.77 07/26/1982 4.34 07/22/1983 4.72 04/01/1984 4.11 06/25/1985 3.16 05/16/1986 4.43 05/12/1987 4.28 05/18/1988 3.17 04/26/1989 5.02 07/16/1990 3.95 05/11/1991 8.98 06/15/1992 3.55 05/22/1993 4.10 04/25/1994 2.20 04/26/1995 5.57 05/09/1996 3.93 05/21/1997 3.63 07/24/1998 2.96 05/27/1999 3.57 08/24/2002 2.62 03/17/2003 4.19 09/04/2004 4.35 05/30/2005 3.56 08/02/2006 2.33 04/23/2007 4.20 05/08/2008 6.69 06/09/2009 4.82 05/16/2010 6.05 05/05/2011 4.77 04/26/2012 1.56 04/09/2013 2.20 05/08/2014 6.05 05/19/2015 6.69 04/17/2016 4.72 04/21/2017 3.92 04/30/2018 5.41 06/15/2019 4.38 12/02/2019 1.78 02/16/2021 2.81 04/23/2022 2.83 05/05/2023 3.94 Duration: 45 days 05/14/1945 5.37 08/13/1946 4.39 07/02/1948 2.76 04/30/1949 8.72 03/26/1950 4.03 04/20/1951 5.95 04/23/1952 3.64 07/16/1953 3.35 06/25/1954 2.48 05/16/1955 7.53 05/22/1956 4.28 05/04/1957 8.88 05/08/1958 4.42 05/20/1959 5.16 04/27/1960 3.35 03/02/1961 3.42 05/17/1962 8.80 07/26/1963 4.88 05/11/1964 5.40 05/06/1965 8.15 08/31/1966 3.41 06/13/1967 8.96 05/13/1968 5.02 06/07/1969 5.21 06/11/1970 6.70 04/21/1971 7.63 04/25/1972 4.60 08/13/1973 4.24 05/03/1974 1.99 05/06/1975 2.67 05/22/1976 4.48 06/20/1977 5.82 04/26/1978 6.00 06/15/1979 4.34 04/22/1980 3.17 04/16/1981 5.77 05/13/1982 6.37 05/15/1983 5.54 03/22/1984 4.87 06/26/1985 4.16 04/27/1986 5.73 05/16/1987 4.91 05/01/1988 3.26 04/26/1989 6.20 04/25/1990 5.19 05/03/1991 9.78 05/22/1992 5.12 05/22/1993 4.49 04/21/1994 2.82 04/26/1995 7.54 05/10/1996 4.64 05/21/1997 3.99 07/08/1998 3.44 04/01/1999 4.30 08/06/2002 3.42 03/18/2003 6.02 09/04/2004 4.61 04/30/2005 4.61 04/25/2006 3.16 03/25/2007 4.64 04/26/2008 7.20 05/31/2009 5.72 05/10/2010 7.31 04/17/2011 6.11 04/26/2012 1.77 04/09/2013 3.30 04/27/2014 7.14 05/05/2015 9.34 03/26/2016 6.47 04/18/2017 4.70 05/09/2018 6.80 05/25/2019 6.23 04/12/2020 2.26 04/27/2021 2.88 04/23/2022 3.37 05/10/2023 5.17 Duration: 60 days 04/10/1945 7.55 08/13/1946 5.46 08/02/1948 3.86 04/30/1949 9.23 04/28/1950 5.13 04/24/1951 7.03 04/30/1952 4.90 07/16/1953 3.50 06/14/1954 2.62 05/03/1955 7.80 06/16/1956 4.97 04/20/1957 9.35 05/13/1958 5.82 05/04/1959 6.62 04/16/1960 4.14 03/18/1961 4.64 05/15/1962 10.05 07/04/1963 6.21 05/02/1964 6.59 05/06/1965 9.27 08/19/1966 4.17 05/29/1967 10.28 04/13/1968 5.71 04/27/1969 5.53 05/27/1970 7.36 04/21/1971 9.47 04/25/1972 5.73 07/20/1973 6.59 04/11/1974 2.38 04/28/1975 3.14 04/06/1976 5.79 05/30/1977 7.35 04/13/1978 6.47 05/31/1979 5.46 03/28/1980 3.92 04/03/1981 6.04 05/09/1982 7.61 05/30/1983 6.65 03/30/1984 5.31 06/02/1985 4.98 04/17/1986 7.67 05/12/1987 5.94 05/18/1988 4.14 04/26/1989 6.56 04/09/1990 6.04 05/11/1991 11.45 05/22/1992 5.39 05/28/1993 5.02 04/25/1994 2.96 04/30/1995 8.45 04/12/1996 5.32 05/22/1997 4.58 06/23/1998 4.31 04/22/1999 6.02 08/06/2002 3.94 03/17/2003 6.61 06/10/2004 4.66 04/20/2005 6.35 07/02/2006 3.53 03/25/2007 5.02 05/08/2008 7.92 05/21/2009 5.86 04/21/2010 9.39 04/01/2011 6.98 04/09/2013 3.60 04/27/2014 7.88 04/17/2015 11.35 03/23/2016 7.51 03/24/2017 6.41 04/30/2018 7.24 05/18/2019 7.66 04/12/2020 2.92 09/07/2020 3.55 04/01/2022 3.78 05/08/2023 5.96