Precipitation annual maximum series (inches) Station ID: 39-3316 Station name: GLAD VALLEY 2 W State: SD Latitude (decimal degrees): 45.4178 Longitude (decimal degrees): -101.8100 Elevation (feet): 2467 Duration: 1 day 03/23/1950 2.65 06/06/1951 3.15 06/28/1952 1.02 06/15/1953 3.03 08/08/1957 1.69 07/03/1958 2.26 09/18/1959 0.86 08/23/1960 1.46 09/12/1961 1.75 08/10/1962 1.43 03/16/1963 0.94 04/27/1964 1.56 05/05/1965 1.58 07/13/1966 1.61 06/06/1967 1.16 06/24/1968 1.72 07/07/1969 1.18 05/08/1970 2.24 07/11/1971 1.90 10/05/1972 2.26 04/19/1973 2.12 08/08/1974 1.08 04/28/1975 1.80 06/23/1976 2.31 09/23/1977 2.10 08/27/1979 1.10 09/06/1981 1.30 10/10/1982 1.96 04/20/1985 1.00 07/27/1986 3.05 07/18/1987 3.10 06/29/1988 1.00 04/28/1989 1.50 07/26/1990 1.10 05/15/1991 1.23 07/22/1992 1.15 07/13/1993 2.17 06/08/1994 3.90 10/05/1995 1.80 09/20/1996 2.13 07/12/1997 1.25 10/04/1998 1.66 08/11/1999 1.76 04/24/2000 1.85 07/26/2001 1.70 07/28/2002 0.85 07/02/2004 2.23 09/24/2006 1.30 03/30/2007 1.18 06/06/2008 2.22 09/02/2009 2.17 08/01/2010 1.80 Duration: 2 days 03/23/1950 2.85 06/06/1951 3.39 07/12/1952 1.25 06/14/1953 3.39 08/08/1957 1.82 07/02/1958 2.85 06/26/1959 1.28 08/23/1960 1.57 06/13/1961 1.92 05/21/1962 2.33 10/20/1963 1.41 04/26/1964 1.98 05/05/1965 1.70 07/13/1966 1.73 06/12/1967 1.39 06/23/1968 1.88 07/07/1969 2.08 05/08/1970 2.41 07/11/1971 2.32 10/05/1972 2.43 04/19/1973 2.68 08/08/1974 1.57 04/28/1975 2.09 06/23/1976 2.49 09/23/1977 2.40 07/12/1979 1.61 06/13/1981 1.40 05/14/1982 2.42 03/03/1985 1.61 07/27/1986 3.38 07/18/1987 3.34 06/29/1988 1.08 04/27/1989 1.74 06/16/1990 1.20 05/15/1991 1.32 06/29/1992 1.24 07/13/1993 2.34 06/08/1994 4.20 10/05/1995 2.82 09/19/1996 3.29 04/05/1997 2.17 10/03/1998 1.94 08/11/1999 1.96 03/08/2000 2.18 07/15/2001 2.53 07/27/2002 1.22 07/02/2004 2.40 09/23/2006 2.35 06/07/2007 1.91 06/05/2008 4.02 09/02/2009 2.34 08/01/2010 1.94 Duration: 3 days 03/23/1950 2.88 06/06/1951 3.43 06/22/1952 1.42 06/14/1953 3.42 08/08/1957 1.84 07/02/1958 3.34 06/25/1959 1.45 08/23/1960 1.59 06/13/1961 1.94 05/20/1962 2.64 10/20/1963 1.42 06/07/1964 2.03 05/05/1965 1.72 07/13/1966 1.75 06/11/1967 1.57 06/23/1968 1.94 07/07/1969 2.10 05/08/1970 2.44 04/19/1971 2.34 10/05/1972 2.46 04/19/1973 2.72 08/08/1974 2.46 04/28/1975 2.12 06/23/1976 2.51 09/23/1977 2.42 07/12/1979 1.82 06/11/1981 1.60 05/13/1982 2.92 03/02/1985 1.94 07/27/1986 3.41 07/18/1987 3.37 06/29/1988 1.09 04/26/1989 2.50 06/15/1990 1.35 05/15/1991 1.34 06/14/1992 1.63 07/13/1993 2.36 06/08/1994 4.24 10/05/1995 2.85 09/18/1996 5.26 04/05/1997 2.19 10/02/1998 2.28 08/10/1999 1.98 05/06/2000 2.26 07/15/2001 2.55 07/27/2002 1.23 07/02/2004 2.42 09/23/2006 2.37 06/07/2007 1.93 06/05/2008 4.13 09/02/2009 2.36 08/01/2010 1.96 Duration: 4 days 03/23/1950 3.28 06/03/1951 3.46 06/22/1952 1.50 06/14/1953 3.46 08/08/1957 1.86 07/01/1958 3.71 06/24/1959 1.73 08/23/1960 1.60 09/09/1961 2.07 05/20/1962 2.76 10/20/1963 1.44 06/08/1964 2.48 05/05/1965 2.00 07/13/1966 1.77 06/11/1967 1.59 06/21/1968 2.34 06/22/1969 2.20 05/08/1970 2.93 04/18/1971 2.37 10/05/1972 2.48 05/26/1973 2.76 08/08/1974 2.50 06/19/1975 2.26 06/23/1976 2.54 09/21/1977 2.65 07/12/1979 1.84 06/11/1981 1.88 05/12/1982 3.18 03/02/1985 1.96 07/27/1986 3.45 07/18/1987 3.40 06/29/1988 1.10 04/25/1989 2.94 06/15/1990 1.36 05/28/1991 1.55 06/14/1992 1.95 07/13/1993 2.89 06/08/1994 4.28 10/05/1995 2.88 09/18/1996 5.34 06/29/1997 2.21 10/02/1998 2.40 08/10/1999 2.00 05/06/2000 2.28 07/15/2001 2.58 07/27/2002 1.24 07/02/2004 3.09 09/23/2006 2.40 06/07/2007 1.95 06/03/2008 4.62 09/02/2009 2.38 08/01/2010 2.19 Duration: 7 days 03/17/1950 3.53 05/31/1951 4.15 06/22/1952 2.90 06/14/1953 4.72 05/19/1957 2.50 07/01/1958 3.75 06/24/1959 2.34 08/17/1960 2.56 09/07/1961 2.42 05/17/1962 4.32 06/02/1963 2.15 06/07/1964 2.78 05/05/1965 2.71 08/14/1966 1.79 06/06/1967 2.49 06/24/1968 2.60 06/22/1969 2.72 05/08/1970 3.52 07/07/1971 3.32 05/22/1972 2.81 04/19/1973 3.09 08/08/1974 2.93 05/06/1975 2.86 06/12/1976 2.56 09/18/1977 3.28 07/08/1979 2.12 06/09/1981 1.96 05/10/1982 4.42 03/02/1985 1.98 07/27/1986 3.48 07/18/1987 4.02 04/25/1989 3.00 06/15/1990 1.60 05/28/1991 1.57 06/14/1992 2.11 07/07/1993 3.65 06/02/1994 4.32 10/05/1995 2.90 09/18/1996 5.39 06/24/1997 2.66 06/16/1998 2.49 08/06/1999 2.70 05/06/2000 2.74 07/15/2001 2.61 07/27/2002 1.26 07/02/2004 4.08 09/23/2006 2.66 06/02/2007 2.66 05/31/2008 5.33 03/24/2009 2.41 08/01/2010 2.51 Duration: 10 days 03/17/1950 4.16 05/28/1951 5.28 06/22/1952 2.93 06/14/1953 4.96 08/08/1957 3.11 07/01/1958 3.97 06/24/1959 2.38 08/16/1960 2.71 09/07/1961 2.44 05/13/1962 5.23 06/02/1963 2.65 04/27/1964 2.96 05/05/1965 3.63 08/12/1966 2.65 06/04/1967 3.16 06/21/1968 3.22 06/22/1969 2.75 04/11/1970 4.03 07/07/1971 3.35 05/19/1972 2.99 05/26/1973 3.47 08/08/1974 2.96 04/28/1975 3.27 06/14/1976 4.71 09/23/1977 3.52 07/08/1979 2.22 07/31/1981 2.18 05/10/1982 5.58 03/02/1985 2.00 07/19/1986 3.67 07/18/1987 4.06 04/25/1989 3.03 06/11/1990 1.71 05/23/1991 2.24 06/14/1992 2.13 07/13/1993 4.53 06/01/1994 4.37 05/01/1995 3.08 09/18/1996 5.45 06/24/1997 3.23 06/07/1998 2.71 05/03/1999 2.82 04/30/2000 3.00 07/15/2001 2.93 07/19/2002 1.94 07/02/2004 4.12 09/18/2006 2.89 05/30/2007 3.34 05/31/2008 5.48 09/02/2009 2.69 07/29/2010 2.71 Duration: 20 days 03/09/1950 4.92 05/31/1951 5.99 06/24/1952 3.83 06/02/1953 5.75 08/08/1957 4.54 05/29/1958 5.15 06/26/1959 2.96 08/04/1960 2.97 09/07/1961 3.36 05/13/1962 7.15 06/02/1963 4.11 04/26/1964 4.20 05/05/1965 4.85 09/25/1966 2.84 05/26/1967 4.95 06/05/1968 4.79 06/22/1969 5.02 04/11/1970 5.46 07/07/1971 3.35 05/09/1972 4.34 05/26/1973 3.65 08/08/1974 3.33 04/21/1975 5.12 06/14/1976 6.00 09/18/1977 5.11 07/12/1979 3.60 07/19/1981 3.06 05/10/1982 7.34 05/27/1985 2.78 05/07/1986 5.32 07/18/1987 6.60 04/15/1989 3.22 06/01/1990 2.49 05/12/1991 3.58 06/14/1992 3.46 06/29/1993 6.72 06/08/1994 5.00 06/04/1995 3.92 05/04/1996 5.87 06/24/1997 4.92 06/07/1998 3.91 06/02/1999 4.09 04/24/2000 5.50 07/15/2001 4.96 07/20/2002 2.05 06/18/2004 4.51 09/17/2006 3.10 05/20/2007 5.02 05/22/2008 7.17 06/14/2009 3.46 07/19/2010 4.65 Duration: 30 days 02/25/1950 5.13 05/28/1951 7.34 06/22/1952 5.05 05/17/1953 6.68 07/28/1957 6.52 06/04/1958 7.47 06/21/1959 4.05 07/25/1960 3.14 08/26/1961 4.07 05/15/1962 8.54 05/28/1963 4.87 04/18/1964 4.95 05/05/1965 6.49 09/16/1966 3.57 05/26/1967 5.70 06/05/1968 5.67 06/22/1969 5.84 04/11/1970 7.82 05/21/1971 4.86 04/30/1972 6.18 05/26/1973 5.70 07/31/1974 3.45 04/24/1975 5.63 06/12/1976 6.17 06/09/1977 6.09 06/17/1979 4.33 07/11/1981 4.42 05/10/1982 7.54 05/27/1985 3.63 04/25/1986 7.46 07/18/1987 8.08 04/01/1989 3.84 05/23/1990 3.26 05/02/1991 4.26 06/14/1992 4.91 06/23/1993 9.66 06/08/1994 6.89 04/10/1995 4.66 05/04/1996 7.68 06/17/1997 5.78 06/07/1998 4.98 05/29/1999 5.13 04/13/2000 5.88 06/30/2001 6.27 07/19/2002 2.57 06/10/2004 5.89 09/18/2006 3.32 05/20/2007 5.79 05/08/2008 7.88 06/05/2009 4.92 07/19/2010 5.71 Duration: 45 days 02/12/1950 6.25 05/19/1951 8.02 06/24/1952 5.43 05/17/1953 8.28 07/24/1957 7.22 05/29/1958 9.45 05/19/1959 4.61 08/06/1960 3.56 08/10/1961 4.62 05/13/1962 10.85 06/02/1963 6.03 04/26/1964 6.31 05/05/1965 8.27 07/13/1966 5.12 04/30/1967 7.02 06/05/1968 6.20 06/06/1969 6.54 04/11/1970 9.14 04/17/1971 7.33 04/30/1972 7.28 05/26/1973 6.60 07/01/1974 4.44 03/27/1975 6.97 05/21/1976 8.17 05/26/1977 7.32 06/17/1979 6.01 07/11/1981 5.46 05/10/1982 8.29 08/06/1985 4.88 04/13/1986 9.24 07/03/1987 9.28 05/19/1988 2.86 03/16/1989 4.86 05/15/1990 3.98 04/25/1991 5.07 06/08/1992 6.58 06/07/1993 11.99 06/02/1994 8.27 03/27/1995 6.30 04/12/1996 8.34 06/19/1997 7.57 05/23/1998 5.84 04/25/1999 7.13 04/24/2000 6.80 06/13/2001 7.17 07/19/2002 3.07 05/23/2004 6.43 08/17/2006 4.67 05/06/2007 6.61 04/24/2008 10.68 06/05/2009 5.83 07/05/2010 6.07 Duration: 60 days 03/10/1950 7.42 05/08/1951 8.25 06/22/1952 6.92 04/24/1953 10.13 06/30/1957 8.41 05/21/1958 10.08 05/19/1959 6.30 07/26/1961 5.95 05/13/1962 12.06 06/02/1963 7.05 04/21/1964 8.91 05/05/1965 10.50 06/22/1966 6.15 04/14/1967 8.50 05/30/1968 7.04 05/21/1969 7.68 04/14/1970 10.32 05/14/1971 8.40 04/30/1972 8.76 04/19/1973 8.24 04/07/1974 5.67 04/28/1975 9.57 05/05/1976 9.05 05/10/1977 9.33 07/01/1979 6.45 06/11/1981 6.92 05/10/1982 8.94 07/30/1985 5.48 04/13/1986 10.55 06/19/1987 10.63 03/01/1989 5.66 04/23/1990 4.94 04/08/1991 6.42 06/08/1992 7.86 06/02/1993 14.14 06/08/1994 8.62 04/29/1995 8.18 05/04/1996 9.58 06/24/1997 8.09 06/07/1998 6.22 04/21/1999 9.29 04/20/2000 8.59 05/29/2001 9.03 06/10/2004 7.77 08/09/2006 5.26 04/20/2007 7.66 04/24/2008 11.65 05/05/2009 6.72 07/22/2010 8.31