Precipitation annual maximum series (inches) Station ID: 39-7662 Station name: SIOUX FALLS EROS CTR State: SD Latitude (decimal degrees): 43.7378 Longitude (decimal degrees): -96.6267 Elevation (feet): 1590 Duration: 15 minutes 08/17/1974 0.60 06/03/1975 0.70 07/15/1976 0.60 07/23/1977 0.90 08/01/1978 0.60 07/04/1980 0.60 04/21/1985 0.40 06/20/1986 0.60 07/11/1987 0.60 08/13/1988 0.60 09/07/1989 0.70 07/18/1990 1.40 06/21/1991 0.50 06/29/1993 0.80 08/04/1995 0.40 05/18/1996 0.40 05/07/1997 0.50 05/15/1998 0.80 08/20/2002 0.70 08/03/2004 1.00 08/05/2006 1.00 06/22/2007 0.80 07/19/2008 0.90 Duration: 30 minutes 08/17/1974 0.60 08/01/1975 0.90 07/15/1976 0.90 07/23/1977 1.60 08/01/1978 1.00 06/04/1980 0.70 07/24/1985 0.70 07/26/1986 0.90 08/08/1987 1.10 08/13/1988 0.70 09/07/1989 0.90 07/18/1990 1.60 09/11/1991 0.70 06/29/1993 1.30 08/04/1995 0.70 05/18/1996 0.60 05/07/1997 0.60 05/15/1998 1.20 08/20/2002 1.10 08/05/2006 1.50 06/22/2007 1.00 07/19/2008 1.20 Duration: 45 minutes 08/17/1974 0.80 06/03/1975 1.10 07/15/1976 1.00 07/23/1977 2.20 08/01/1978 1.30 06/04/1980 1.00 08/04/1982 2.02 07/24/1985 0.90 07/26/1986 1.10 08/08/1987 1.50 08/13/1988 0.80 09/07/1989 0.90 07/18/1990 1.80 09/11/1991 0.90 06/29/1993 1.50 08/04/1995 0.80 05/18/1996 0.80 05/07/1997 1.00 07/03/1998 1.60 08/20/2002 1.40 08/05/2006 1.90 06/22/2007 1.20 07/19/2008 1.50 Duration: 1 hour 08/17/1974 0.83 06/03/1975 1.10 07/15/1976 0.92 07/23/1977 2.11 08/12/1980 1.01 08/04/1982 2.48 07/24/1985 1.01 06/22/1986 1.10 08/08/1987 1.74 08/13/1988 0.83 09/07/1989 0.83 07/18/1990 1.74 06/21/1991 0.92 06/29/1993 1.38 08/04/1995 0.73 05/18/1996 0.83 05/07/1997 1.01 07/03/1998 1.65 08/21/2002 1.65 08/05/2006 2.11 06/22/2007 1.19 07/19/2008 1.65 Duration: 2 hours 08/17/1974 0.87 08/01/1975 1.35 07/15/1976 1.15 07/23/1977 3.27 08/12/1980 1.63 08/04/1982 2.88 07/24/1985 1.25 06/22/1986 1.25 08/08/1987 1.92 08/13/1988 0.87 09/07/1989 0.96 07/18/1990 1.83 06/21/1991 1.25 05/07/1993 1.83 03/25/1995 0.96 05/18/1996 0.96 05/07/1997 1.35 07/03/1998 1.92 08/20/2002 2.79 08/05/2006 2.69 08/04/2007 1.44 07/19/2008 1.92 Duration: 3 hours 08/17/1974 1.50 08/01/1975 1.50 07/15/1976 1.20 07/23/1977 3.50 08/12/1980 1.90 08/04/1982 3.70 07/24/1985 1.50 06/21/1986 1.70 08/08/1987 2.00 08/13/1988 0.90 09/07/1989 1.00 07/18/1990 1.90 06/21/1991 1.60 05/07/1993 2.10 08/04/1995 1.20 05/18/1996 1.00 05/07/1997 1.60 07/03/1998 2.00 08/20/2002 3.40 08/05/2006 3.10 08/04/2007 1.60 07/19/2008 2.00 Duration: 6 hours 08/17/1974 1.51 08/01/1975 2.40 07/15/1976 1.21 07/23/1977 3.60 08/12/1980 1.92 08/04/1982 4.10 07/24/1985 1.80 06/21/1986 2.80 08/08/1987 2.02 09/15/1988 1.10 06/17/1989 1.10 07/18/1990 2.40 06/21/1991 1.90 05/07/1993 2.50 08/04/1995 1.60 10/16/1996 1.20 05/07/1997 1.62 07/03/1998 2.10 08/20/2002 4.50 08/05/2006 3.30 08/04/2007 1.90 10/06/2008 2.10 Duration: 12 hours 08/17/1974 1.60 08/01/1975 2.80 07/15/1976 1.22 07/23/1977 3.64 08/12/1980 2.00 08/03/1982 4.20 04/22/1985 2.10 09/16/1986 3.00 08/08/1987 2.04 09/27/1988 1.40 09/07/1989 1.20 07/18/1990 2.50 06/21/1991 1.92 05/07/1993 3.00 08/04/1995 2.10 10/16/1996 1.50 05/07/1997 1.64 07/03/1998 2.12 08/20/2002 5.20 08/05/2006 3.33 08/04/2007 1.92 07/17/2008 2.60 Duration: 1 day 08/17/1974 1.43 08/01/1975 2.59 07/15/1976 1.09 07/23/1977 3.25 07/04/1980 1.88 08/04/1982 3.75 04/22/1985 2.32 09/16/1986 2.95 08/08/1987 1.88 09/15/1988 1.34 09/07/1989 1.07 07/18/1990 2.41 06/21/1991 1.71 07/02/1992 2.80 05/07/1993 2.95 03/25/1995 2.14 05/30/1996 1.52 05/07/1997 1.46 07/03/1998 1.96 08/21/2002 4.64 08/05/2006 3.30 08/04/2007 1.79 07/17/2008 2.32 Duration: 2 days 08/08/1974 2.40 08/01/1975 2.79 04/23/1976 1.35 07/23/1977 3.50 08/12/1980 2.02 08/03/1982 4.04 04/21/1985 3.46 09/16/1986 3.56 08/07/1987 2.02 09/27/1988 1.44 09/07/1989 1.25 07/18/1990 2.60 06/21/1991 1.85 05/07/1993 3.94 03/25/1995 2.50 10/16/1996 1.64 04/04/1997 1.57 07/02/1998 2.12 08/20/2002 5.10 08/01/2006 3.75 10/14/2007 2.88 07/17/2008 2.50 Duration: 3 days 08/08/1974 2.50 08/01/1975 2.90 07/13/1976 1.40 07/23/1977 3.60 08/12/1980 2.10 04/20/1985 3.60 09/16/1986 4.60 08/07/1987 2.10 09/27/1988 1.50 09/07/1989 1.30 07/18/1990 2.70 09/11/1991 2.10 05/06/1993 4.10 03/25/1995 2.90 10/16/1996 1.70 04/04/1997 1.60 07/02/1998 2.20 08/20/2002 5.30 07/31/2006 3.90 10/13/2007 3.10 07/17/2008 5.20 Duration: 4 days 08/08/1974 2.60 08/01/1975 3.00 07/13/1976 1.41 07/20/1977 3.70 08/13/1980 2.20 04/20/1985 4.00 09/16/1986 4.85 07/08/1987 2.40 09/15/1988 1.80 09/04/1989 2.00 07/18/1990 2.73 09/11/1991 2.12 05/06/1993 4.14 03/25/1995 3.00 10/16/1996 1.72 04/04/1997 1.62 08/16/1998 2.40 08/20/2002 5.35 08/02/2006 5.10 10/13/2007 3.30 07/17/2008 5.25 Duration: 7 days 08/08/1974 2.63 08/01/1975 3.03 07/13/1976 1.50 07/23/1977 4.00 08/12/1980 3.50 04/19/1985 4.10 09/14/1986 6.49 03/17/1987 3.00 09/15/1988 2.10 09/03/1989 2.40 07/18/1990 2.80 09/07/1991 3.50 05/01/1993 4.40 03/22/1995 3.40 05/18/1996 2.10 05/01/1997 2.50 03/27/1998 2.60 08/15/2002 5.40 07/31/2006 7.20 10/13/2007 4.10 07/17/2008 5.30 Duration: 10 days 08/08/1974 4.20 07/23/1975 4.40 04/15/1976 1.80 08/15/1977 5.30 08/09/1980 4.00 04/19/1985 4.20 09/14/1986 7.22 03/17/1987 3.40 09/11/1988 2.30 09/03/1989 2.60 05/15/1990 3.10 09/05/1991 3.60 04/30/1993 5.60 03/18/1995 3.70 05/18/1996 2.70 04/29/1997 2.80 06/24/1998 3.00 08/12/2002 6.20 07/29/2006 7.30 06/13/2007 4.30 07/17/2008 5.36 Duration: 20 days 08/08/1974 5.00 06/03/1975 5.50 04/13/1976 2.20 08/15/1977 6.80 08/12/1980 5.00 04/04/1985 5.10 09/10/1986 8.60 07/04/1987 4.10 09/11/1988 3.80 09/03/1989 3.40 05/08/1990 5.00 09/05/1991 4.40 06/23/1993 8.20 03/25/1995 4.60 05/13/1996 4.20 04/29/1997 3.40 08/02/1998 4.40 08/03/2002 8.60 07/25/2006 8.50 09/29/2007 6.10 07/17/2008 7.00 Duration: 30 days 08/08/1974 5.00 07/23/1975 6.00 07/17/1977 9.00 08/09/1980 5.70 03/28/1985 5.50 08/25/1986 9.82 06/24/1987 5.30 09/11/1988 3.80 06/12/1989 4.40 04/26/1990 6.30 05/28/1991 5.20 06/13/1993 11.50 03/22/1995 7.30 05/02/1996 4.80 04/29/1997 4.80 07/29/1998 6.20 07/24/2002 9.00 07/15/2006 8.70 09/21/2007 6.60 07/17/2008 8.20 Duration: 45 days 07/08/1974 5.90 07/23/1975 7.10 03/11/1976 3.10 07/20/1977 12.10 05/26/1980 6.10 08/11/1985 6.80 08/12/1986 12.00 06/28/1987 6.50 04/20/1988 3.80 06/17/1989 5.10 05/08/1990 7.40 04/27/1991 7.00 05/29/1993 15.10 03/18/1995 8.70 05/13/1996 5.70 04/04/1997 5.60 07/14/1998 7.50 07/09/2002 9.80 07/23/2006 9.70 09/06/2007 7.90 07/17/2008 8.60 Duration: 60 days 07/03/1974 6.40 06/03/1975 9.90 03/04/1976 3.90 07/23/1977 14.70 07/04/1980 7.60 07/24/1985 8.70 07/26/1986 13.82 06/10/1987 7.90 04/02/1988 5.30 06/17/1989 5.80 04/24/1990 8.90 04/26/1991 9.40 05/29/1993 17.20 03/18/1995 10.50 05/13/1996 6.30 04/04/1997 7.10 07/02/1998 10.00 08/06/2002 11.90 07/25/2006 12.80 08/18/2007 10.70 05/29/2008 10.90