Precipitation annual maximum series (inches) Station ID: 39-6304 Station name: ORAL State: SD Latitude (decimal degrees): 43.4033 Longitude (decimal degrees): -103.2683 Elevation (feet): 2960 Duration: 15 minutes 06/13/1984 0.41 08/09/1985 0.20 06/27/1986 0.22 05/16/1987 0.40 08/19/1988 0.60 05/15/1989 0.20 06/28/1991 0.60 06/15/1992 0.30 08/15/1993 1.00 10/06/1994 0.40 08/26/1995 0.30 08/15/1996 0.60 07/18/1997 0.70 08/20/1998 0.70 04/25/1999 1.10 04/19/2000 0.50 09/19/2001 0.30 09/10/2003 0.40 02/22/2004 0.20 07/01/2006 0.60 07/18/2007 0.80 07/13/2009 0.50 Duration: 30 minutes 06/13/1984 0.41 09/07/1985 0.36 06/27/1986 0.29 05/23/1987 0.70 08/19/1988 1.10 07/13/1989 0.30 06/03/1991 1.10 06/15/1992 0.60 08/15/1993 1.90 08/02/1994 0.60 07/15/1995 0.40 08/15/1996 0.90 07/18/1997 1.30 08/20/1998 1.20 04/25/1999 1.10 05/07/2000 0.60 07/30/2001 0.40 09/10/2003 0.80 07/02/2004 0.40 07/01/2006 0.60 07/18/2007 0.90 07/13/2009 0.50 Duration: 45 minutes 06/13/1984 0.41 09/07/1985 0.43 04/04/1986 0.32 05/23/1987 0.80 08/19/1988 1.10 07/13/1989 0.30 06/03/1991 1.20 06/15/1992 0.70 08/15/1993 2.30 08/02/1994 0.70 08/26/1995 0.50 08/15/1996 1.10 07/18/1997 1.40 08/20/1998 1.30 04/25/1999 1.10 05/07/2000 0.60 07/30/2001 0.50 09/10/2003 0.80 07/02/2004 0.50 07/01/2006 0.60 07/18/2007 0.90 05/31/2009 0.50 Duration: 1 hour 06/09/1972 2.35 08/21/1973 0.70 06/18/1975 0.77 07/31/1976 0.59 07/08/1977 1.25 07/21/1978 0.55 07/27/1979 0.73 06/21/1980 0.56 07/01/1981 0.84 08/23/1982 0.62 08/04/1983 0.65 06/13/1984 0.39 09/07/1985 0.45 04/26/1986 0.35 05/23/1987 0.83 08/19/1988 1.01 07/13/1989 0.37 05/27/1991 1.10 06/15/1992 0.73 08/15/1993 2.20 08/02/1994 0.73 06/21/1995 0.46 08/15/1996 1.10 07/18/1997 1.28 08/20/1998 1.19 04/25/1999 1.10 04/19/2000 0.55 06/03/2001 0.55 09/10/2003 0.73 07/02/2004 0.55 07/01/2006 0.55 05/31/2009 0.46 Duration: 2 hours 06/09/1972 3.48 08/21/1973 0.87 06/18/1975 0.93 07/31/1976 0.85 07/08/1977 2.30 07/21/1978 0.59 06/16/1979 0.79 06/21/1980 0.59 07/01/1981 1.61 06/13/1982 0.84 08/04/1983 0.90 07/11/1984 0.55 09/07/1985 0.62 04/26/1986 0.46 05/23/1987 0.96 08/19/1988 1.15 07/13/1989 0.58 06/03/1991 1.15 06/15/1992 1.06 08/15/1993 2.40 08/02/1994 0.87 06/21/1995 0.58 08/15/1996 1.25 07/18/1997 1.35 08/20/1998 1.25 04/25/1999 1.25 04/19/2000 0.67 06/03/2001 0.96 09/10/2003 0.96 07/02/2004 0.58 07/01/2006 0.67 08/09/2009 0.58 Duration: 3 hours 06/09/1972 3.55 08/21/1973 0.90 06/18/1975 1.07 07/31/1976 1.28 07/08/1977 2.61 07/21/1978 0.63 06/16/1979 0.87 08/15/1980 0.77 07/01/1981 2.05 06/13/1982 0.96 08/04/1983 0.95 07/11/1984 0.64 09/07/1985 0.84 04/26/1986 0.66 05/20/1987 1.00 08/19/1988 1.20 07/13/1989 0.70 06/03/1991 1.20 06/15/1992 1.20 08/15/1993 2.50 08/02/1994 1.00 05/13/1995 0.60 08/15/1996 1.30 07/18/1997 1.40 08/20/1998 1.30 04/25/1999 1.30 04/19/2000 0.80 06/03/2001 1.00 09/10/2003 1.10 07/02/2004 0.60 07/01/2006 0.70 08/09/2009 0.60 Duration: 6 hours 06/09/1972 3.60 08/21/1973 0.91 06/18/1975 1.10 07/31/1976 1.97 07/08/1977 2.79 07/21/1978 0.88 07/03/1979 1.42 08/15/1980 1.05 07/01/1981 2.14 05/16/1982 1.13 08/04/1983 0.96 07/04/1984 0.65 09/07/1985 0.98 04/26/1986 1.06 05/20/1987 1.50 06/22/1988 1.40 07/13/1989 0.71 06/28/1991 1.50 06/15/1992 1.21 08/15/1993 2.52 08/02/1994 1.01 05/13/1995 0.80 08/15/1996 1.31 07/29/1997 2.40 08/20/1998 1.31 04/25/1999 1.31 04/19/2000 1.20 06/03/2001 1.01 09/10/2003 1.11 09/05/2004 1.00 07/01/2006 0.80 10/04/2009 0.70 Duration: 12 hours 05/22/1971 3.53 06/09/1972 3.64 03/13/1973 1.01 06/18/1975 1.11 07/31/1976 2.55 07/08/1977 2.82 07/21/1978 1.33 07/03/1979 1.46 10/14/1980 1.12 07/01/1981 2.22 05/14/1982 1.29 08/04/1983 0.97 04/24/1984 0.92 09/07/1985 1.11 04/26/1986 1.44 05/20/1987 1.80 05/01/1988 1.41 07/13/1989 0.72 06/28/1991 1.52 05/21/1992 1.70 08/15/1993 2.55 08/02/1994 1.02 06/09/1995 1.10 08/15/1996 1.40 07/29/1997 3.00 08/20/1998 1.33 04/25/1999 1.33 04/18/2000 1.90 05/28/2001 1.20 09/10/2003 1.20 09/05/2004 1.80 07/01/2006 0.81 10/04/2009 1.10 Duration: 1 day 05/23/1971 3.70 06/10/1972 3.75 03/14/1973 1.23 04/12/1974 1.35 06/19/1975 0.99 07/31/1976 2.28 07/09/1977 2.54 07/22/1978 1.59 07/04/1979 1.30 08/16/1980 1.19 07/02/1981 1.98 05/15/1982 1.37 06/17/1983 1.04 04/26/1984 1.31 09/08/1985 0.99 06/10/1986 2.01 05/21/1987 1.79 06/23/1988 1.26 09/21/1989 1.08 09/20/1990 0.93 06/28/1991 1.36 05/22/1992 1.83 08/16/1993 2.75 08/03/1994 1.18 06/10/1995 1.16 05/24/1996 1.25 07/30/1997 2.86 09/21/1998 1.61 08/01/1999 2.70 04/19/2000 2.59 06/04/2001 1.34 08/06/2002 1.44 09/05/2004 1.79 08/13/2005 1.45 09/23/2006 0.80 08/03/2007 1.11 05/24/2008 1.69 06/14/2009 1.31 04/24/2010 1.87 Duration: 2 days 05/23/1971 3.98 06/10/1972 4.04 04/19/1973 1.89 04/12/1974 1.45 06/18/1975 1.32 07/31/1976 3.12 07/09/1977 2.74 07/21/1978 1.85 07/04/1979 1.47 10/15/1980 1.59 07/02/1981 2.13 05/14/1982 2.25 04/30/1983 1.45 04/25/1984 2.22 09/08/1985 1.07 06/09/1986 2.63 05/20/1987 2.08 05/02/1988 1.55 07/14/1989 1.18 04/25/1990 1.36 05/11/1991 1.73 05/22/1992 1.97 08/16/1993 2.96 08/03/1994 1.27 09/19/1995 1.44 05/23/1996 1.66 07/29/1997 3.27 09/21/1998 1.81 08/01/1999 2.91 04/19/2000 2.91 06/04/2001 2.02 08/06/2002 1.55 09/05/2004 2.12 08/12/2005 2.14 07/02/2006 1.35 05/05/2007 1.20 05/23/2008 2.53 05/25/2009 1.45 04/23/2010 2.54 Duration: 3 days 05/23/1971 4.02 06/10/1972 4.08 07/20/1973 1.97 04/12/1974 1.47 06/17/1975 1.88 07/31/1976 3.35 07/09/1977 2.76 07/20/1978 2.05 07/04/1979 1.48 10/15/1980 1.67 07/02/1981 2.15 05/15/1982 3.04 08/03/1983 1.58 04/25/1984 2.55 09/08/1985 1.10 06/09/1986 2.67 05/20/1987 2.10 05/02/1988 1.57 09/08/1989 1.41 06/20/1990 1.65 06/04/1991 1.92 05/20/1992 1.99 08/16/1993 2.99 10/16/1994 1.30 06/08/1995 1.67 05/24/1996 2.04 07/29/1997 3.63 05/11/1998 2.09 08/01/1999 2.94 04/19/2000 2.94 06/03/2001 2.25 08/06/2002 1.57 09/04/2004 2.26 08/12/2005 2.17 07/02/2006 1.45 05/04/2007 1.29 05/22/2008 2.65 06/12/2009 1.80 04/22/2010 2.84 Duration: 4 days 05/23/1971 4.06 06/10/1972 4.12 07/19/1973 2.19 04/12/1974 1.48 06/16/1975 2.08 07/31/1976 3.38 07/09/1977 2.79 07/20/1978 2.07 08/17/1979 1.50 10/15/1980 1.69 07/02/1981 2.17 05/14/1982 3.79 06/17/1983 1.90 04/25/1984 2.58 09/08/1985 1.12 06/09/1986 2.70 05/21/1987 2.68 05/02/1988 1.59 09/08/1989 1.50 06/20/1990 1.67 06/03/1991 2.19 05/20/1992 2.01 08/13/1993 3.02 07/31/1994 1.38 06/07/1995 1.75 05/24/1996 2.94 07/29/1997 3.67 08/17/1998 2.18 08/01/1999 2.97 04/19/2000 2.97 06/03/2001 2.27 08/06/2002 1.59 09/04/2004 2.28 08/12/2005 2.19 07/02/2006 1.46 05/04/2007 1.39 05/22/2008 2.68 06/11/2009 2.01 04/22/2010 2.87 Duration: 7 days 06/10/1972 4.16 07/19/1973 2.31 04/07/1974 1.65 06/16/1975 2.40 07/28/1976 3.43 07/05/1977 3.46 07/20/1978 2.09 07/24/1979 1.63 10/15/1980 1.71 07/02/1981 2.20 05/11/1982 5.26 06/17/1983 2.20 04/21/1984 2.61 09/08/1985 1.54 06/09/1986 3.19 05/21/1987 4.24 04/26/1988 1.61 09/08/1989 1.51 05/24/1990 2.13 06/01/1991 2.71 05/31/1992 2.03 08/16/1993 4.65 07/31/1994 1.40 05/08/1995 2.45 05/23/1996 3.77 07/24/1997 4.10 08/17/1998 2.28 08/01/1999 3.44 04/19/2000 3.26 05/29/2001 2.87 09/08/2002 2.39 09/04/2004 2.30 05/07/2005 2.72 07/02/2006 1.65 05/04/2007 1.40 05/22/2008 3.43 06/08/2009 2.83 04/18/2010 3.03 Duration: 10 days 05/23/1971 5.19 06/10/1972 4.74 07/19/1973 2.33 08/01/1974 2.33 06/17/1975 2.97 07/28/1976 3.46 06/30/1977 3.53 04/28/1978 2.57 06/26/1979 1.75 06/15/1980 2.13 05/04/1981 2.22 05/11/1982 6.12 06/12/1983 2.34 04/25/1984 3.06 09/03/1985 1.64 06/04/1986 3.43 05/20/1987 4.71 04/26/1988 1.75 09/08/1989 1.53 05/24/1990 2.52 05/28/1991 3.70 05/22/1992 2.57 08/12/1993 4.89 07/26/1994 1.52 06/03/1995 2.71 05/23/1996 3.87 07/21/1997 4.49 08/11/1998 2.68 06/06/1999 3.62 04/16/2000 3.44 05/29/2001 3.60 09/08/2002 2.41 08/28/2004 2.35 05/07/2005 2.75 03/11/2006 1.70 07/26/2007 1.57 05/22/2008 3.56 06/06/2009 2.99 06/05/2010 3.63 Duration: 20 days 05/19/1971 5.81 06/10/1972 5.14 04/19/1973 3.17 08/01/1974 2.38 06/07/1975 4.22 07/15/1976 4.12 07/09/1977 3.74 07/20/1978 3.10 06/16/1979 3.40 06/15/1980 2.28 05/04/1981 3.76 05/10/1982 6.64 04/30/1983 3.02 04/20/1984 3.24 09/08/1985 2.34 06/09/1986 3.65 05/10/1987 5.37 05/02/1988 3.09 09/08/1989 2.58 05/11/1990 3.99 05/16/1991 4.63 06/16/1992 4.02 08/03/1993 5.07 10/02/1994 2.53 05/23/1995 3.79 05/10/1996 4.43 07/12/1997 7.31 08/02/1998 4.30 06/01/1999 5.11 04/19/2000 4.50 05/29/2001 4.16 09/08/2002 3.21 08/23/2004 2.93 05/25/2005 3.70 03/11/2006 2.35 07/19/2007 2.63 05/20/2008 4.49 05/26/2009 4.50 05/06/2010 5.77 Duration: 30 days 06/05/1972 5.89 04/07/1973 3.36 07/18/1974 3.05 05/31/1975 4.80 07/20/1976 4.50 06/10/1977 5.69 07/20/1978 4.11 06/17/1979 3.93 05/30/1980 3.41 07/02/1981 4.82 05/10/1982 8.91 04/30/1983 3.16 05/21/1984 4.36 09/03/1985 2.57 06/04/1986 4.40 05/03/1987 6.20 04/22/1988 3.87 09/08/1989 2.87 05/24/1990 5.05 05/11/1991 7.17 05/22/1992 5.85 07/24/1993 6.85 09/22/1994 2.65 05/13/1995 5.00 05/02/1996 5.03 07/13/1997 7.75 05/11/1998 5.88 06/01/1999 5.80 04/19/2000 5.05 05/06/2001 4.32 08/24/2002 3.90 08/23/2004 3.44 04/19/2005 4.50 03/11/2006 3.02 07/19/2007 3.07 05/01/2008 5.53 05/24/2009 5.29 05/22/2010 7.81 Duration: 45 days 05/09/1972 7.63 07/20/1973 5.01 07/18/1974 3.33 05/13/1975 6.21 06/23/1976 4.93 07/05/1977 6.79 07/20/1978 4.91 06/16/1979 5.86 05/10/1980 4.74 07/02/1981 5.35 05/10/1982 10.86 05/11/1983 4.42 04/25/1984 5.89 07/30/1985 3.48 06/04/1986 5.38 05/03/1987 6.87 05/02/1988 4.52 08/14/1989 3.41 05/11/1990 6.91 04/25/1991 8.79 05/22/1992 7.90 07/07/1993 8.02 05/14/1994 2.73 04/29/1995 7.56 04/14/1996 6.34 06/19/1997 8.80 05/11/1998 8.00 05/03/1999 6.85 04/19/2000 5.42 04/23/2001 6.17 08/06/2002 5.02 08/10/2004 3.68 05/07/2005 6.52 03/12/2006 3.67 07/19/2007 4.08 04/24/2008 6.99 05/24/2009 5.85 05/10/2010 11.16 Duration: 60 days 04/26/1972 8.54 07/19/1973 5.86 04/12/1974 3.93 05/13/1975 7.28 06/06/1976 7.01 06/13/1977 8.13 06/18/1978 6.03 06/23/1979 6.69 05/10/1980 4.94 05/04/1981 6.97 04/26/1982 11.02 04/30/1983 6.13 04/20/1984 7.68 07/28/1985 4.50 04/17/1986 6.93 05/03/1987 6.98 04/26/1988 6.13 07/14/1989 4.10 04/25/1990 8.67 05/03/1991 10.79 05/10/1992 8.97 06/22/1993 9.71 06/05/1994 3.53 04/29/1995 8.69 04/14/1996 7.08 06/02/1997 10.71 05/11/1998 10.36 06/03/1999 9.44 04/16/2000 5.65 04/23/2001 6.85 08/06/2002 5.71 09/04/2004 4.25 04/19/2005 8.29 03/11/2006 4.33 07/19/2007 4.77 05/01/2008 8.05 04/16/2009 8.10 04/22/2010 14.01