Precipitation annual maximum series (inches) Station ID: 39-6736 Station name: PORCUPINE 11 N State: SD Latitude (decimal degrees): 43.3950 Longitude (decimal degrees): -102.3894 Elevation (feet): 2820 Duration: 1 day 06/18/1964 2.97 05/14/1965 3.20 08/20/1966 1.09 04/30/1967 2.06 06/07/1968 2.13 07/23/1969 1.10 06/12/1970 1.26 10/28/1971 1.12 08/01/1972 1.22 03/14/1973 1.25 07/18/1974 1.85 04/28/1975 2.00 07/21/1976 2.95 07/27/1977 2.36 08/27/1978 1.56 07/04/1979 2.19 08/15/1980 1.30 07/02/1981 1.17 07/13/1982 2.07 05/07/1983 2.09 06/11/1984 1.20 08/20/1985 1.22 06/09/1986 1.55 05/20/1987 1.20 07/21/1990 1.02 06/23/1991 1.44 05/22/1992 1.10 08/16/1993 1.84 10/07/1994 1.60 10/05/1995 1.30 05/27/1996 2.00 06/03/1997 1.85 10/05/1998 2.20 06/15/1999 1.36 06/04/2001 1.39 03/01/2004 1.21 08/13/2005 1.64 09/23/2006 1.90 08/03/2007 1.60 10/10/2010 1.99 05/20/2011 2.27 Duration: 2 days 05/14/1965 4.05 08/19/1966 1.92 04/30/1967 2.22 06/06/1968 2.38 07/16/1969 1.76 06/11/1970 1.36 09/04/1971 1.86 08/01/1972 1.71 04/19/1973 1.65 07/18/1974 2.30 04/28/1975 2.15 07/20/1976 3.18 07/27/1977 2.54 08/27/1978 1.68 07/04/1979 2.36 08/15/1980 1.40 07/02/1981 1.26 05/13/1982 2.99 05/07/1983 2.25 04/25/1984 1.42 08/19/1985 2.12 06/09/1986 2.55 05/20/1987 1.61 07/21/1990 1.30 06/05/1991 2.00 06/16/1992 1.38 06/07/1993 2.00 10/06/1994 2.30 10/05/1995 2.60 05/26/1996 2.31 06/02/1997 2.30 10/04/1998 2.70 09/02/1999 2.02 04/19/2000 3.37 06/04/2001 2.37 09/05/2004 1.93 05/12/2005 2.50 09/22/2006 3.05 08/03/2007 2.50 04/23/2010 2.14 05/19/2011 2.56 Duration: 3 days 06/16/1964 3.90 05/14/1965 4.09 08/19/1966 2.03 06/11/1967 2.70 06/05/1968 3.02 07/16/1969 2.28 06/10/1970 1.55 09/04/1971 1.88 07/31/1972 1.78 05/25/1973 1.84 07/18/1974 2.32 04/27/1975 2.17 07/20/1976 3.21 07/27/1977 2.57 08/27/1978 1.70 07/04/1979 2.38 10/15/1980 1.71 07/02/1981 1.27 05/13/1982 3.64 04/29/1983 2.27 04/25/1984 1.75 08/19/1985 2.14 06/08/1986 2.60 05/20/1987 1.63 07/21/1990 1.47 06/04/1991 2.17 06/16/1992 1.44 06/07/1993 2.10 10/06/1994 2.32 10/05/1995 2.63 05/26/1996 2.61 06/02/1997 2.32 10/03/1998 2.85 09/02/1999 2.66 06/03/2001 2.53 09/04/2004 2.01 05/11/2005 2.90 09/22/2006 3.55 08/03/2007 2.52 04/22/2010 2.21 05/18/2011 2.59 Duration: 4 days 06/16/1964 3.94 05/14/1965 4.13 08/19/1966 2.05 06/11/1967 2.73 06/06/1968 3.19 07/16/1969 2.30 04/15/1970 1.83 09/04/1971 1.90 07/31/1972 1.80 05/24/1973 2.02 07/18/1974 2.35 04/27/1975 2.20 07/20/1976 3.24 07/27/1977 2.59 08/27/1978 1.71 07/04/1979 2.40 10/15/1980 1.73 05/04/1981 1.28 05/13/1982 3.83 04/29/1983 2.29 04/25/1984 1.77 08/19/1985 2.16 06/08/1986 2.63 05/20/1987 1.64 07/21/1990 1.48 06/03/1991 2.28 06/16/1992 1.66 06/07/1993 2.12 10/04/1994 2.35 10/05/1995 2.65 05/24/1996 3.46 06/02/1997 2.35 10/02/1998 3.05 09/02/1999 2.70 06/03/2001 2.55 09/03/2004 2.05 05/10/2005 2.94 09/22/2006 3.58 08/03/2007 2.55 04/22/2010 2.25 05/19/2011 2.63 Duration: 7 days 06/16/1964 5.08 05/09/1965 4.73 08/19/1966 2.07 06/09/1967 4.19 06/05/1968 3.88 07/14/1969 2.37 04/12/1970 2.33 09/04/1971 2.47 04/26/1972 2.80 05/24/1973 2.19 07/18/1974 2.50 06/16/1975 3.00 07/15/1976 3.28 08/09/1977 2.62 08/22/1978 1.84 06/17/1979 2.43 08/09/1980 1.79 07/13/1981 1.58 05/10/1982 4.62 05/07/1983 3.73 06/06/1984 2.11 08/19/1985 2.34 06/04/1986 2.93 05/20/1987 2.23 07/15/1990 2.15 06/01/1991 3.67 06/16/1992 2.48 08/16/1993 3.58 10/02/1994 2.48 09/30/1995 2.93 05/23/1996 4.01 07/30/1997 2.78 10/02/1998 3.16 06/01/1999 2.96 05/30/2001 3.34 09/03/2004 2.07 05/07/2005 4.45 09/18/2006 3.66 08/03/2007 2.61 04/18/2010 2.51 05/19/2011 2.95 Duration: 10 days 06/14/1964 6.04 05/08/1965 5.41 08/12/1966 2.28 06/07/1967 5.04 05/31/1968 3.98 07/14/1969 3.47 04/12/1970 2.35 04/18/1971 3.34 04/26/1972 3.21 05/24/1973 2.38 07/18/1974 2.52 06/14/1975 3.11 07/15/1976 3.31 07/20/1977 4.10 08/22/1978 1.86 06/16/1979 2.94 08/12/1980 1.82 07/13/1981 1.97 05/11/1982 4.98 04/29/1983 4.37 06/04/1984 2.34 08/11/1985 2.52 06/04/1986 3.08 05/20/1987 2.66 07/15/1990 2.60 05/28/1991 5.20 06/15/1992 2.50 08/13/1993 3.83 07/07/1994 2.89 09/30/1995 2.96 05/21/1996 4.05 05/25/1997 4.21 07/25/1998 4.11 06/03/1999 3.23 05/29/2001 3.55 09/03/2004 2.09 05/07/2005 4.49 09/18/2006 3.70 07/26/2007 2.83 04/18/2010 2.66 05/12/2011 3.72 Duration: 20 days 06/05/1964 8.59 05/08/1965 8.41 08/12/1966 2.57 05/29/1967 6.58 06/06/1968 5.56 07/05/1969 4.37 04/12/1970 2.73 04/18/1971 3.83 04/26/1972 4.84 04/18/1973 2.81 07/03/1974 3.02 06/07/1975 3.96 07/20/1976 4.57 07/27/1977 5.17 08/14/1978 3.48 06/16/1979 5.32 08/12/1980 2.09 07/02/1981 2.75 05/10/1982 5.54 04/26/1983 6.38 05/24/1984 3.80 08/06/1985 3.00 06/28/1986 3.63 05/02/1987 2.87 07/10/1990 3.49 05/18/1991 5.75 06/16/1992 4.01 06/04/1993 5.21 06/05/1994 3.71 09/19/1995 4.23 05/09/1996 4.52 05/23/1997 5.01 07/15/1998 5.17 05/30/1999 5.24 05/29/2001 4.20 08/23/2004 2.73 05/07/2005 4.79 09/18/2006 3.76 08/03/2007 3.76 04/23/2010 3.69 05/12/2011 5.13 Duration: 30 days 06/05/1964 9.52 05/08/1965 9.67 07/22/1966 3.37 05/26/1967 8.91 05/27/1968 6.75 06/24/1969 4.86 04/15/1970 3.03 04/18/1971 4.70 04/14/1972 5.51 05/24/1973 3.24 07/18/1974 3.34 06/07/1975 4.62 07/15/1976 4.87 07/20/1977 6.88 07/31/1978 3.92 06/17/1979 6.00 08/09/1980 2.18 06/27/1981 3.64 05/10/1982 7.07 04/26/1983 6.75 05/21/1984 4.78 07/23/1985 4.55 06/09/1986 4.62 05/02/1987 4.01 05/19/1990 3.80 06/01/1991 7.42 06/15/1992 4.94 06/04/1993 5.97 06/21/1994 5.30 05/26/1995 5.26 05/02/1996 5.06 07/07/1997 6.02 07/23/1998 6.51 06/05/1999 6.26 05/29/2001 4.29 08/23/2004 3.12 04/20/2005 6.01 08/26/2006 5.57 08/03/2007 6.00 04/14/2010 4.81 05/12/2011 5.48 Duration: 45 days 05/28/1964 10.36 04/23/1965 9.85 07/07/1966 4.60 05/12/1967 9.27 06/05/1968 7.81 06/10/1969 6.38 03/09/1970 4.09 04/18/1971 6.43 04/14/1972 7.29 04/15/1973 5.18 07/02/1974 4.01 05/23/1975 5.49 06/23/1976 5.96 07/09/1977 7.70 07/17/1978 5.55 06/16/1979 7.27 06/12/1981 4.55 05/10/1982 8.92 04/04/1983 7.41 05/05/1984 5.24 07/16/1985 5.17 06/04/1986 6.79 05/02/1987 4.57 06/07/1990 5.33 05/28/1991 10.08 05/22/1992 7.17 08/07/1993 7.10 06/02/1994 7.49 04/30/1995 7.63 05/23/1996 6.55 04/20/1997 7.98 07/08/1998 7.16 06/03/1999 8.75 05/29/2001 6.03 07/24/2004 3.92 05/07/2005 8.48 08/21/2006 6.37 08/03/2007 6.55 04/02/2010 5.95 05/18/2011 7.25 Duration: 60 days 04/20/1964 11.52 04/05/1965 11.17 06/22/1966 5.42 04/25/1967 11.62 05/27/1968 9.30 06/10/1969 6.58 04/15/1970 5.56 04/19/1971 6.97 04/27/1972 10.03 04/18/1973 5.63 07/02/1974 4.28 04/28/1975 7.19 05/23/1976 6.81 06/16/1977 9.77 06/30/1978 6.16 06/16/1979 8.19 06/09/1981 5.11 05/10/1982 10.05 04/29/1983 9.36 04/25/1984 7.15 07/16/1985 5.76 06/04/1986 7.54 05/02/1987 5.45 05/24/1990 6.76 05/16/1991 11.11 06/01/1992 8.38 06/01/1993 8.57 05/19/1994 8.39 04/12/1995 8.87 05/10/1996 7.71 04/05/1997 9.83 07/24/1998 8.39 06/03/1999 9.71 05/29/2001 7.97 09/03/2004 4.83 04/20/2005 10.04 07/27/2006 6.59 07/26/2007 6.98 04/18/2010 8.01 05/10/2011 8.86