Precipitation annual maximum series (inches) Station ID: 57-0020 Station name: SHADEHILL RESERVOIR ON TH State: SD Latitude (decimal degrees): 45.7533 Longitude (decimal degrees): -102.2033 Elevation (feet): 2320 Duration: 1 day 06/28/1952 1.21 06/15/1953 2.26 05/27/1954 1.03 09/21/1955 1.82 06/15/1956 1.48 08/08/1957 1.06 06/09/1958 1.55 06/25/1959 0.86 06/19/1960 1.14 09/12/1961 1.58 05/22/1962 1.75 06/23/1963 1.55 06/08/1964 1.73 05/09/1965 1.55 06/24/1966 1.42 06/06/1967 1.60 09/16/1968 1.68 06/25/1969 1.23 05/08/1970 3.00 07/11/1971 2.27 10/05/1972 1.36 05/26/1973 1.72 04/11/1974 0.91 05/09/1975 1.72 06/23/1976 1.43 05/08/1986 0.99 05/26/1987 2.28 06/30/1988 1.66 09/20/1989 1.85 07/26/1990 1.09 05/30/1991 0.91 07/29/1992 1.10 06/29/1993 1.96 05/22/1994 1.86 08/25/1995 0.80 06/14/1996 2.28 06/30/1997 1.33 10/04/1998 1.17 06/06/1999 1.68 04/24/2000 1.29 07/15/2001 6.08 03/17/2003 1.41 10/29/2004 1.09 05/09/2005 1.25 09/22/2006 0.84 06/07/2007 0.74 05/01/2008 1.24 Duration: 2 days 06/27/1952 1.37 06/14/1953 2.43 03/11/1954 1.35 09/20/1955 2.31 07/03/1956 1.66 05/20/1957 1.14 06/09/1958 1.67 06/25/1959 1.00 05/24/1960 1.23 09/12/1961 1.70 05/21/1962 3.12 06/22/1963 1.67 06/08/1964 2.28 05/08/1965 1.67 06/23/1966 2.34 04/30/1967 1.94 09/15/1968 1.98 06/25/1969 1.44 05/08/1970 3.38 07/11/1971 2.57 04/30/1972 1.62 05/26/1973 2.01 04/11/1974 1.06 05/09/1975 2.07 06/23/1976 1.54 05/07/1986 1.58 05/25/1987 2.46 06/29/1988 1.79 09/20/1989 1.99 07/25/1990 1.86 05/29/1991 0.98 06/29/1992 1.18 06/29/1993 2.11 05/21/1994 2.00 08/25/1995 0.96 06/14/1996 2.46 06/30/1997 1.78 10/03/1998 1.37 06/06/1999 1.81 04/24/2000 1.58 07/15/2001 6.55 03/17/2003 2.05 07/04/2004 1.52 05/09/2005 1.35 09/21/2006 1.39 06/06/2007 1.02 05/01/2008 1.47 Duration: 3 days 06/26/1952 1.51 06/13/1953 2.58 03/11/1954 1.36 09/20/1955 2.36 07/03/1956 1.68 05/19/1957 1.19 06/09/1958 1.69 06/25/1959 1.28 06/19/1960 1.29 09/10/1961 1.80 05/20/1962 3.22 06/21/1963 2.02 06/07/1964 2.53 05/08/1965 1.69 06/22/1966 2.36 04/29/1967 1.97 09/15/1968 2.00 06/25/1969 1.63 05/08/1970 3.41 07/11/1971 2.59 04/30/1972 1.66 05/26/1973 2.03 04/11/1974 1.47 05/09/1975 2.10 06/15/1976 1.55 05/07/1986 1.83 05/26/1987 2.48 06/28/1988 1.81 09/20/1989 2.01 07/25/1990 1.88 05/28/1991 1.17 06/28/1992 1.66 06/05/1993 2.83 05/21/1994 2.02 08/23/1995 1.48 09/17/1996 2.67 06/30/1997 1.80 10/02/1998 1.45 08/10/1999 2.09 04/24/2000 1.68 07/15/2001 6.61 03/17/2003 2.19 07/03/2004 1.53 05/09/2005 2.00 09/21/2006 1.43 06/06/2007 1.03 05/01/2008 1.48 Duration: 4 days 06/25/1952 1.76 06/13/1953 2.61 03/11/1954 1.38 09/20/1955 2.38 07/03/1956 1.69 05/19/1957 1.20 06/09/1958 1.70 06/24/1959 1.31 06/16/1960 1.35 09/10/1961 1.85 05/19/1962 3.57 06/20/1963 2.07 06/08/1964 2.68 05/08/1965 1.70 06/22/1966 2.39 04/29/1967 2.00 06/21/1968 2.43 06/24/1969 1.76 05/08/1970 3.95 04/18/1971 3.12 04/29/1972 1.69 05/26/1973 2.09 04/11/1974 1.52 05/06/1975 2.57 06/14/1976 2.03 05/07/1986 1.85 05/25/1987 2.50 06/27/1988 1.82 09/20/1989 2.03 07/25/1990 1.90 05/27/1991 1.24 06/28/1992 1.68 06/05/1993 2.88 05/21/1994 2.04 08/23/1995 1.64 09/17/1996 3.23 06/28/1997 1.81 10/02/1998 1.50 08/10/1999 2.11 04/24/2000 1.70 07/15/2001 6.68 03/17/2003 2.21 07/03/2004 1.55 05/09/2005 2.13 09/21/2006 1.44 06/06/2007 1.04 10/09/2008 1.64 Duration: 7 days 06/24/1952 2.14 06/14/1953 3.40 05/22/1954 2.20 09/20/1955 2.55 07/03/1956 1.87 05/19/1957 1.73 06/09/1958 2.55 06/24/1959 1.85 06/15/1960 2.30 09/07/1961 1.87 05/16/1962 4.92 06/19/1963 2.38 06/07/1964 3.09 05/08/1965 2.42 06/20/1966 2.63 06/06/1967 2.59 06/20/1968 2.96 06/21/1969 2.14 05/08/1970 4.19 04/17/1971 3.15 04/26/1972 2.13 05/24/1973 2.13 04/11/1974 1.55 05/06/1975 2.95 06/11/1976 2.49 05/05/1986 1.87 05/20/1987 3.53 06/30/1988 1.84 07/10/1989 2.05 07/20/1990 2.08 05/26/1991 1.32 07/29/1992 1.94 06/01/1993 3.37 05/21/1994 2.06 08/23/1995 1.66 09/17/1996 3.26 06/28/1997 1.83 10/02/1998 1.51 06/03/1999 2.22 04/24/2000 1.80 07/15/2001 7.11 05/03/2003 2.27 07/01/2004 2.34 05/09/2005 2.15 09/21/2006 1.74 06/01/2007 1.14 06/05/2008 2.28 Duration: 10 days 06/24/1952 2.62 06/13/1953 3.75 05/22/1954 2.22 05/25/1955 2.60 07/03/1956 2.05 05/12/1957 1.86 06/09/1958 2.64 06/25/1959 2.00 06/12/1960 2.70 09/12/1961 2.18 05/13/1962 5.98 06/19/1963 2.40 06/08/1964 3.78 05/05/1965 2.88 08/12/1966 3.62 06/04/1967 3.47 06/16/1968 3.16 06/21/1969 2.16 05/08/1970 4.23 04/18/1971 3.54 04/26/1972 2.41 05/26/1973 2.66 04/11/1974 2.01 05/06/1975 2.98 06/14/1976 3.48 04/29/1986 2.07 05/17/1987 4.09 06/27/1988 1.88 07/10/1989 2.07 07/19/1990 2.16 05/22/1991 1.74 06/28/1992 2.22 06/01/1993 3.42 05/13/1994 2.08 05/05/1995 1.73 09/17/1996 3.29 06/28/1997 2.08 06/08/1998 1.94 06/06/1999 2.38 04/24/2000 1.82 07/11/2001 7.50 05/03/2003 2.29 07/01/2004 2.42 05/09/2005 2.37 09/21/2006 1.76 05/29/2007 1.37 06/02/2008 2.43 Duration: 20 days 06/24/1952 3.32 05/29/1953 5.42 05/22/1954 3.71 05/23/1955 3.76 06/15/1956 3.39 05/12/1957 3.22 05/30/1958 3.42 06/16/1959 2.78 06/05/1960 3.31 09/02/1961 2.68 05/13/1962 7.86 08/15/1963 3.41 06/05/1964 5.40 05/08/1965 4.04 08/06/1966 3.86 06/04/1967 4.31 06/07/1968 4.88 06/21/1969 3.56 05/08/1970 4.87 04/17/1971 3.61 04/22/1972 4.01 09/02/1973 2.94 04/07/1974 2.50 04/21/1975 5.18 06/05/1976 4.99 04/24/1986 3.40 05/17/1987 4.18 06/12/1988 2.57 08/11/1989 2.11 07/19/1990 2.17 05/11/1991 2.33 06/13/1992 3.07 06/29/1993 4.42 05/21/1994 3.75 05/21/1995 1.92 05/26/1996 3.88 06/18/1997 3.31 06/05/1998 2.52 05/29/1999 2.90 04/24/2000 3.10 07/11/2001 9.19 04/29/2003 2.78 06/22/2004 2.58 05/09/2005 2.40 09/17/2006 2.02 05/20/2007 2.34 05/24/2008 3.70 Duration: 30 days 06/24/1952 3.87 05/17/1953 7.59 05/22/1954 4.36 05/23/1955 4.03 06/15/1956 3.93 05/19/1957 4.44 06/04/1958 3.92 06/16/1959 3.13 05/24/1960 4.76 08/25/1961 2.80 05/15/1962 8.74 05/28/1963 3.92 06/07/1964 5.95 05/05/1965 5.70 07/23/1966 4.68 05/30/1967 5.22 05/30/1968 5.71 06/21/1969 4.45 04/12/1970 7.81 04/17/1971 3.98 04/29/1972 5.88 05/24/1973 4.46 03/29/1974 2.91 04/26/1975 5.96 06/05/1976 6.16 04/24/1986 4.32 05/01/1987 4.80 06/12/1988 2.71 08/24/1989 3.96 06/28/1990 2.27 05/27/1991 2.82 06/13/1992 4.05 06/29/1993 6.24 05/13/1994 3.79 05/06/1995 2.69 05/16/1996 5.00 06/14/1997 4.26 06/07/1998 3.41 06/06/1999 3.58 04/24/2000 3.18 06/29/2001 10.13 04/15/2003 3.34 06/09/2004 3.34 06/03/2005 2.70 09/01/2006 2.10 05/20/2007 2.51 05/24/2008 3.73 Duration: 45 days 06/08/1952 4.30 05/15/1953 9.35 05/22/1954 5.11 05/25/1955 6.06 06/15/1956 5.14 05/20/1957 6.08 06/09/1958 5.06 05/26/1959 4.18 05/24/1960 5.32 05/04/1961 3.41 05/13/1962 9.35 06/15/1963 6.17 06/05/1964 6.42 05/05/1965 6.77 07/13/1966 5.98 04/30/1967 6.96 05/30/1968 6.17 06/06/1969 5.15 05/08/1970 9.21 05/30/1971 6.27 04/19/1972 6.48 09/02/1973 5.00 04/07/1974 3.37 03/26/1975 7.80 05/21/1976 7.46 04/11/1986 4.97 05/17/1987 5.57 05/25/1988 3.48 08/11/1989 4.21 06/14/1990 2.46 05/12/1991 3.90 06/28/1992 5.31 06/01/1993 8.42 05/22/1994 4.63 04/28/1995 3.72 05/02/1996 6.83 06/10/1997 4.95 05/20/1998 3.96 05/03/1999 4.20 06/09/2000 3.91 06/12/2001 11.24 04/28/2003 4.03 06/24/2004 3.61 05/09/2005 4.32 08/12/2006 3.05 05/04/2007 3.12 05/01/2008 5.44 Duration: 60 days 06/24/1952 5.08 04/29/1953 11.27 05/22/1954 5.26 05/16/1955 6.71 06/15/1956 5.89 05/12/1957 7.03 05/30/1958 6.07 05/19/1959 5.03 04/24/1960 6.26 04/20/1961 4.39 05/13/1962 10.18 06/02/1963 7.39 04/26/1964 8.96 05/08/1965 8.71 06/23/1966 8.57 04/29/1967 8.24 05/07/1968 6.65 05/21/1969 6.27 04/12/1970 10.46 04/18/1971 7.21 04/26/1972 7.34 04/20/1973 5.85 04/11/1974 5.04 03/22/1975 9.18 05/05/1976 8.22 04/17/1986 6.08 05/20/1987 6.66 05/02/1988 4.38 08/11/1989 4.23 06/01/1990 3.13 05/12/1991 4.62 06/13/1992 6.72 05/28/1993 10.36 05/21/1994 5.68 04/12/1995 4.08 05/06/1996 7.47 06/10/1997 5.77 05/08/1998 4.76 05/08/1999 5.29 04/24/2000 5.60 05/29/2001 13.38 03/17/2003 5.53 06/09/2004 4.38 05/09/2005 5.16 08/12/2006 3.47 05/20/2007 3.26 04/16/2008 5.66