Precipitation annual maximum series (inches) Station ID: 39-4766 Station name: LAKE SHARPE PROJECT State: SD Latitude (decimal degrees): 44.0644 Longitude (decimal degrees): -99.4603 Elevation (feet): 1460 Duration: 15 minutes 09/18/1976 0.40 06/22/1977 0.50 06/30/1978 0.80 07/11/1979 1.80 08/31/1982 0.50 06/14/1984 0.50 08/07/1985 0.90 08/31/1986 0.70 07/06/1987 0.60 09/20/1989 0.40 06/16/1990 1.00 06/14/1991 0.60 07/06/1994 0.60 09/05/1995 0.90 07/21/1996 1.60 09/01/1997 0.50 05/11/1998 0.70 07/09/2000 0.60 06/22/2003 0.80 06/10/2004 1.00 08/04/2006 0.70 05/22/2007 0.50 07/23/2008 0.50 06/26/2009 1.30 Duration: 30 minutes 09/18/1976 0.50 06/22/1977 0.80 06/30/1978 1.00 07/11/1979 1.80 08/31/1982 0.90 08/03/1984 0.90 08/07/1985 1.50 08/31/1986 0.80 07/06/1987 1.10 09/20/1989 0.70 06/16/1990 1.30 08/01/1991 0.80 07/06/1994 0.70 09/05/1995 1.20 07/21/1996 1.80 06/20/1997 0.80 05/11/1998 1.00 07/09/2000 1.10 06/22/2003 0.90 08/03/2004 1.60 06/20/2006 0.90 05/22/2007 0.90 07/19/2008 0.70 06/26/2009 2.00 Duration: 45 minutes 09/18/1976 0.60 08/23/1977 0.90 06/30/1978 1.20 07/11/1979 1.80 08/31/1982 1.20 08/03/1984 1.20 08/07/1985 1.60 08/31/1986 0.90 07/06/1987 1.10 09/20/1989 0.80 08/10/1990 1.50 08/01/1991 0.90 07/06/1994 0.80 09/05/1995 1.30 07/21/1996 1.90 06/20/1997 0.80 05/11/1998 1.20 08/30/1999 2.30 07/09/2000 1.20 08/04/2003 1.10 08/03/2004 1.90 06/20/2006 1.00 05/22/2007 1.10 07/19/2008 0.70 06/26/2009 2.20 Duration: 1 hour 09/18/1976 0.55 06/22/1977 1.10 06/30/1978 1.10 07/11/1979 1.65 08/31/1982 1.10 08/03/1984 1.19 08/11/1985 1.56 08/31/1986 1.10 08/05/1987 1.01 09/20/1989 0.73 08/10/1990 1.47 05/22/1991 0.92 07/06/1994 0.73 09/05/1995 1.19 07/21/1996 1.83 06/20/1997 0.73 05/11/1998 1.10 08/30/1999 2.20 07/09/2000 1.19 06/22/2003 1.10 07/27/2004 1.93 06/20/2006 1.10 05/22/2007 1.01 07/19/2008 0.64 06/26/2009 2.20 Duration: 2 hours 09/18/1976 0.67 08/23/1977 1.15 06/30/1978 1.15 07/11/1979 1.83 08/31/1982 1.25 08/03/1984 1.35 08/07/1985 1.83 09/02/1986 1.15 07/06/1987 1.15 05/20/1988 0.50 09/20/1989 0.87 08/10/1990 1.54 05/22/1991 1.06 07/06/1994 0.77 09/05/1995 1.35 07/21/1996 1.92 06/02/1997 0.96 05/11/1998 1.25 08/29/1999 2.60 07/09/2000 1.25 08/04/2003 1.35 08/03/2004 2.02 06/20/2006 1.25 06/12/2007 1.15 07/23/2008 1.06 06/26/2009 2.40 Duration: 3 hours 09/18/1976 0.70 06/12/1977 1.30 06/30/1978 1.20 07/11/1979 1.90 08/31/1982 1.30 08/03/1984 1.50 08/07/1985 1.90 09/02/1986 1.20 07/06/1987 1.20 05/20/1988 0.60 09/20/1989 1.10 08/10/1990 1.60 05/22/1991 1.10 07/06/1994 0.80 09/05/1995 1.50 07/21/1996 2.00 06/02/1997 1.20 05/11/1998 1.30 08/29/1999 4.20 07/09/2000 1.30 08/04/2003 1.40 08/03/2004 2.10 06/20/2006 1.30 06/12/2007 1.40 09/01/2008 1.20 06/26/2009 2.70 Duration: 6 hours 06/23/1976 0.80 06/12/1977 1.80 06/30/1978 1.21 07/11/1979 1.92 07/26/1982 1.31 08/03/1984 1.60 08/07/1985 1.92 09/02/1986 1.21 07/06/1987 1.21 05/20/1988 1.10 09/20/1989 1.30 06/15/1990 1.62 06/03/1991 1.20 07/06/1994 1.00 09/05/1995 1.51 07/21/1996 2.40 06/02/1997 2.00 05/11/1998 1.70 08/29/1999 4.90 07/09/2000 1.31 06/22/2003 1.41 07/27/2004 2.20 06/20/2006 1.50 06/12/2007 1.70 09/01/2008 1.50 06/26/2009 2.73 Duration: 12 hours 06/23/1976 0.90 06/12/1977 2.00 06/30/1978 1.22 07/11/1979 1.94 10/08/1982 1.40 08/03/1984 1.62 08/07/1985 1.94 08/31/1986 1.50 03/17/1987 1.22 05/20/1988 1.60 09/20/1989 1.31 06/15/1990 1.70 06/03/1991 2.00 07/06/1994 1.20 04/16/1995 1.90 09/19/1996 3.00 06/02/1997 2.80 10/16/1998 1.90 08/29/1999 4.95 07/09/2000 1.33 06/22/2003 1.43 08/02/2004 2.70 06/20/2006 1.52 06/12/2007 2.10 09/01/2008 1.60 06/26/2009 2.76 Duration: 1 day 07/13/1966 1.98 06/19/1967 3.86 09/22/1968 1.93 07/17/1969 1.28 06/16/1970 1.08 08/30/1971 3.50 07/26/1972 1.28 04/12/1974 1.30 05/07/1975 1.56 06/25/1976 0.92 06/13/1977 1.79 04/24/1978 1.50 07/12/1979 1.73 10/17/1980 2.23 03/30/1981 1.45 05/21/1982 1.96 06/13/1983 1.91 03/04/1985 1.73 09/03/1986 1.63 08/06/1987 1.61 07/01/1988 1.79 09/21/1989 1.32 08/10/1990 2.68 06/04/1991 1.79 09/07/1992 1.40 07/25/1993 1.45 07/07/1994 1.07 08/22/1995 2.14 07/21/1996 3.66 06/03/1997 2.77 10/05/1998 2.14 08/30/1999 7.14 07/10/2000 1.35 08/06/2002 0.87 08/03/2004 2.41 05/12/2005 2.00 06/20/2006 1.36 08/04/2007 2.05 06/06/2008 2.03 06/27/2009 2.46 07/23/2010 2.00 06/21/2011 7.49 Duration: 2 days 08/19/1966 2.56 06/19/1967 4.16 09/22/1968 2.08 07/16/1969 1.38 06/16/1970 1.16 08/30/1971 3.77 05/01/1972 1.60 04/12/1974 1.40 06/20/1975 2.43 06/25/1976 0.99 06/13/1977 2.12 04/24/1978 1.62 07/12/1979 2.24 10/16/1980 3.03 03/30/1981 2.41 05/20/1982 2.31 06/12/1983 2.51 03/04/1985 1.92 09/02/1986 2.08 03/21/1987 1.92 05/21/1988 2.98 09/21/1989 1.62 06/16/1990 2.98 06/04/1991 2.21 07/01/1992 1.51 07/24/1993 1.64 07/07/1994 1.37 04/18/1995 3.37 07/21/1996 4.42 06/03/1997 3.21 06/08/1998 2.60 08/30/1999 7.69 07/10/2000 1.45 09/08/2002 1.49 06/10/2004 2.98 05/11/2005 2.62 09/22/2006 2.21 03/29/2007 2.50 06/05/2008 2.63 08/14/2009 2.65 07/23/2010 2.65 06/21/2011 8.07 Duration: 3 days 07/11/1966 2.67 06/19/1967 4.20 06/06/1968 2.70 07/15/1969 2.08 04/13/1970 1.45 08/30/1971 3.81 05/01/1972 1.62 04/12/1974 1.41 06/19/1975 2.81 06/25/1976 1.00 06/11/1977 2.20 04/24/1978 1.64 07/10/1979 2.27 10/16/1980 3.06 03/30/1981 2.69 05/20/1982 2.33 06/12/1983 2.53 03/04/1985 1.94 09/01/1986 3.70 03/21/1987 2.27 05/20/1988 3.01 09/20/1989 1.76 06/15/1990 3.01 06/02/1991 2.60 09/05/1992 1.67 07/23/1993 2.32 07/07/1994 1.38 04/18/1995 3.46 07/21/1996 4.46 06/02/1997 4.09 10/03/1998 3.11 08/30/1999 7.76 07/10/2000 1.47 09/08/2002 1.50 06/09/2004 3.20 05/10/2005 3.13 09/22/2006 2.23 10/14/2007 2.52 06/04/2008 2.75 08/14/2009 2.68 07/23/2010 2.68 06/21/2011 8.15 Duration: 4 days 07/11/1966 2.70 06/19/1967 4.24 04/20/1968 3.02 07/15/1969 2.10 04/13/1970 1.50 08/30/1971 3.85 10/30/1972 1.73 05/27/1974 1.53 06/19/1975 2.84 06/25/1976 1.01 06/11/1977 2.25 04/16/1978 1.66 07/10/1979 2.57 10/16/1980 3.09 03/30/1981 2.72 05/20/1982 2.36 06/12/1983 2.60 03/04/1985 1.96 08/31/1986 3.79 03/21/1987 2.82 05/19/1988 3.04 09/20/1989 1.78 06/16/1990 3.04 06/02/1991 2.86 09/05/1992 1.69 07/22/1993 2.46 07/05/1994 1.40 04/18/1995 3.51 07/21/1996 4.51 06/02/1997 4.13 10/02/1998 3.31 08/30/1999 8.24 07/10/2000 1.48 09/08/2002 1.52 06/09/2004 3.23 05/09/2005 3.72 06/17/2006 2.25 03/29/2007 2.55 06/03/2008 4.44 08/14/2009 2.75 06/11/2010 3.05 06/18/2011 8.23 Duration: 7 days 08/15/1966 3.13 06/13/1967 4.31 04/20/1968 3.05 07/11/1969 2.18 04/13/1970 2.35 08/30/1971 3.89 04/26/1972 2.76 05/26/1974 1.77 06/15/1975 3.12 05/21/1977 2.35 04/18/1978 2.27 07/12/1979 2.83 10/16/1980 3.12 03/30/1981 2.75 05/17/1982 2.85 06/12/1983 3.31 05/29/1985 2.69 08/31/1986 3.83 03/21/1987 3.37 05/19/1988 3.07 07/13/1989 1.85 06/12/1990 3.07 05/29/1991 3.65 07/01/1992 2.51 07/19/1993 3.71 06/05/1994 2.17 04/18/1995 3.54 07/21/1996 4.55 05/29/1997 4.17 06/14/1998 3.48 08/30/1999 8.51 07/04/2000 1.83 08/06/2002 1.69 07/28/2004 5.47 05/07/2005 3.91 06/15/2006 2.36 10/14/2007 3.14 05/31/2008 4.55 08/10/2009 3.31 06/10/2010 3.59 06/15/2011 8.52 Duration: 10 days 08/13/1966 3.85 06/10/1967 5.57 04/20/1968 3.08 07/09/1969 2.26 04/13/1970 2.37 04/20/1971 4.06 04/26/1972 2.92 05/21/1974 2.40 06/12/1975 3.29 06/13/1977 3.14 04/15/1978 3.40 07/10/1979 3.16 08/07/1980 3.31 03/30/1981 2.78 05/12/1982 4.64 06/12/1983 4.00 05/26/1985 2.91 08/26/1986 3.99 03/21/1987 3.40 05/19/1988 3.10 07/11/1989 1.97 06/12/1990 3.45 05/28/1991 4.10 06/30/1992 3.36 07/19/1993 4.04 06/08/1994 2.49 04/10/1995 4.36 09/18/1996 4.60 05/26/1997 5.29 06/09/1998 4.71 08/30/1999 8.60 07/01/2000 2.09 08/03/2002 1.75 07/28/2004 5.52 05/09/2005 4.15 06/15/2006 2.38 10/14/2007 3.54 05/31/2008 4.65 08/07/2009 4.57 06/12/2010 4.64 06/17/2011 8.83 Duration: 20 days 08/13/1966 3.93 05/31/1967 7.58 04/03/1968 4.56 07/02/1969 2.72 04/13/1970 2.50 04/16/1971 4.38 04/26/1972 4.54 05/09/1974 3.66 06/08/1975 4.45 06/11/1977 3.67 04/05/1978 3.49 07/06/1979 4.32 08/01/1980 3.59 07/21/1981 3.55 05/12/1982 6.45 06/12/1983 5.09 05/26/1985 4.52 08/31/1986 6.10 03/12/1987 3.40 05/03/1988 3.49 09/04/1989 2.96 06/02/1990 4.56 05/16/1991 7.82 06/30/1992 4.12 07/07/1993 4.94 06/05/1994 3.53 04/08/1995 4.83 07/10/1996 4.60 05/25/1997 6.97 06/03/1998 6.93 08/23/1999 8.66 06/01/2000 2.71 08/03/2002 2.26 07/28/2004 6.30 05/31/2005 4.67 08/01/2006 3.26 05/04/2007 3.89 05/22/2008 6.00 07/28/2009 6.09 06/05/2010 6.54 06/15/2011 9.73 Duration: 30 days 06/21/1966 4.69 05/26/1967 8.11 06/06/1968 5.12 06/25/1969 3.46 07/10/1970 2.58 04/20/1971 5.11 04/26/1972 4.98 05/07/1974 4.65 05/23/1975 4.95 05/17/1977 5.17 06/12/1978 4.06 07/12/1979 5.78 05/29/1980 5.67 06/27/1981 4.86 05/10/1982 7.57 06/12/1983 5.23 05/29/1985 5.22 08/26/1986 6.43 02/24/1987 4.64 04/23/1988 4.45 06/25/1989 3.37 05/19/1990 5.78 05/16/1991 9.12 07/01/1992 5.79 06/28/1993 6.96 06/08/1994 4.30 04/18/1995 7.08 07/04/1996 4.60 05/24/1997 8.36 06/08/1998 8.73 08/23/1999 9.61 06/12/2000 3.87 07/24/2002 2.42 07/11/2004 7.73 05/09/2005 6.52 08/01/2006 3.80 05/21/2007 5.55 05/10/2008 8.05 07/28/2009 6.46 06/08/2010 7.79 06/15/2011 10.27 Duration: 45 days 07/11/1966 6.77 06/12/1967 9.27 08/10/1968 6.73 06/25/1969 4.49 04/13/1970 3.11 04/20/1971 5.77 04/24/1972 7.00 05/09/1974 5.76 05/07/1975 6.24 05/17/1977 6.59 05/25/1978 5.70 07/10/1979 6.71 05/30/1980 6.67 06/27/1981 6.55 05/10/1982 8.97 06/12/1983 6.81 07/31/1985 6.39 08/07/1986 7.05 02/15/1987 4.76 04/21/1988 4.85 06/25/1989 3.67 05/08/1990 7.49 04/27/1991 10.16 06/30/1992 7.50 06/13/1993 9.88 06/05/1994 6.14 04/18/1995 9.11 05/04/1996 4.68 05/24/1997 9.39 05/11/1998 10.15 08/06/1999 9.92 05/27/2000 5.21 08/03/2002 4.00 07/28/2004 9.11 05/09/2005 9.54 07/21/2006 4.39 05/04/2007 7.73 04/24/2008 9.06 07/03/2009 7.62 06/10/2010 10.82 06/15/2011 11.64 Duration: 60 days 06/23/1966 7.95 05/30/1967 12.44 07/26/1968 7.90 06/11/1969 5.50 06/13/1970 4.28 04/20/1971 6.55 04/11/1972 8.37 04/12/1974 7.45 04/29/1975 7.91 05/17/1977 6.83 05/25/1978 7.20 06/16/1979 8.07 06/22/1980 7.70 06/07/1981 7.57 05/10/1982 9.93 05/02/1983 7.68 08/12/1985 7.24 08/12/1986 7.55 06/10/1987 5.16 05/03/1988 5.97 06/12/1989 4.14 04/25/1990 9.45 04/11/1991 12.53 06/14/1992 8.60 05/30/1993 12.04 05/21/1994 6.23 04/09/1995 11.88 05/24/1996 6.88 06/02/1997 11.52 05/11/1998 12.45 07/17/1999 10.76 05/26/2000 5.77 08/06/2002 4.57 07/28/2004 11.62 04/20/2005 9.98 08/01/2006 6.24 04/19/2007 8.30 05/02/2008 10.35 06/20/2009 10.38 06/08/2010 12.70 06/15/2011 14.95