Precipitation annual maximum series (inches) Station ID: 21-7941 Station name: SPRING VALLEY State: MN Latitude (decimal degrees): 43.6933 Longitude (decimal degrees): -92.3925 Elevation (feet): 1275 Duration: 15 minutes 07/03/1973 0.60 06/18/1974 0.40 08/24/1975 0.60 07/24/1977 0.60 08/01/1978 0.80 05/10/1979 0.70 09/26/1981 0.60 05/18/1982 0.90 08/07/1984 1.10 09/08/1985 0.60 07/27/1986 1.00 08/03/1987 0.70 08/18/1988 0.60 08/31/1989 0.60 06/11/1990 0.80 07/17/1991 0.90 07/08/1992 0.80 07/19/1994 1.00 06/16/1996 0.70 06/22/1997 0.60 06/27/1998 0.80 08/18/1999 1.10 07/09/2000 1.20 06/13/2001 0.80 06/17/2003 0.50 07/21/2005 0.80 05/03/2008 0.80 06/08/2009 0.50 09/10/2010 1.40 Duration: 30 minutes 07/03/1973 1.00 05/21/1974 0.60 08/24/1975 1.00 07/24/1977 0.80 08/01/1978 1.10 05/10/1979 0.90 07/11/1981 1.00 05/18/1982 1.00 08/07/1984 1.20 08/29/1985 1.00 07/27/1986 2.00 08/03/1987 1.40 08/18/1988 0.90 08/31/1989 1.10 06/11/1990 1.10 07/17/1991 1.80 07/08/1992 0.90 04/24/1994 1.60 06/16/1996 1.20 06/22/1997 1.20 08/04/1998 1.50 08/18/1999 1.50 07/09/2000 1.60 04/06/2001 1.20 06/17/2003 0.80 07/21/2005 1.40 05/03/2008 0.90 06/08/2009 0.90 Duration: 45 minutes 07/03/1973 1.20 06/20/1974 0.80 08/24/1975 1.10 08/27/1977 1.00 07/05/1978 1.40 05/10/1979 1.00 07/11/1981 1.40 09/01/1982 1.10 08/07/1984 1.40 09/08/1985 1.20 07/27/1986 2.50 08/03/1987 1.50 08/18/1988 0.90 08/31/1989 1.40 06/11/1990 1.40 07/17/1991 2.00 07/08/1992 1.00 04/24/1994 2.20 06/16/1996 1.40 06/22/1997 1.30 08/04/1998 2.10 08/18/1999 1.70 07/10/2000 2.10 04/06/2001 1.60 06/17/2003 0.80 07/21/2005 1.60 06/08/2008 1.00 06/08/2009 1.40 Duration: 1 hour 06/01/1949 0.90 07/30/1950 1.31 06/27/1951 1.15 07/27/1952 0.74 07/21/1953 1.29 08/25/1954 0.98 07/02/1955 1.01 05/28/1956 1.09 07/21/1957 1.32 06/04/1958 1.20 06/25/1959 1.82 08/28/1960 1.17 09/02/1961 0.67 08/30/1962 1.30 06/29/1963 1.05 07/27/1964 1.30 07/08/1965 1.80 04/30/1967 1.20 07/18/1970 1.80 07/12/1971 1.00 07/03/1973 1.10 05/21/1974 0.92 08/24/1975 1.01 08/27/1977 1.01 07/05/1978 1.65 05/10/1979 1.01 07/11/1981 1.74 05/18/1982 1.01 08/07/1984 1.38 09/08/1985 1.47 07/27/1986 2.48 08/03/1987 1.38 09/22/1988 0.83 08/28/1989 1.38 04/23/1990 1.28 07/17/1991 2.02 07/08/1992 1.38 04/24/1994 2.20 06/16/1996 1.38 08/30/1997 1.38 08/04/1998 2.02 08/18/1999 1.65 07/09/2000 2.29 04/06/2001 1.56 06/03/2002 1.00 08/25/2003 0.73 07/25/2005 1.56 05/03/2008 1.10 06/08/2009 1.47 Duration: 2 hours 06/24/1949 1.32 07/30/1950 1.67 08/07/1951 1.38 07/27/1952 0.78 07/21/1953 1.78 08/22/1954 1.05 07/02/1955 1.40 05/28/1956 1.14 07/21/1957 2.03 06/04/1958 2.26 06/25/1959 2.39 08/28/1960 1.87 09/02/1961 0.79 08/30/1962 2.15 06/29/1963 1.10 07/27/1964 2.30 07/08/1965 2.40 04/30/1967 1.40 07/18/1970 1.89 09/08/1971 1.20 07/03/1973 1.35 06/20/1974 1.25 08/24/1975 1.63 08/27/1977 1.25 07/05/1978 2.40 05/10/1979 1.25 07/11/1981 2.98 09/01/1982 1.06 08/07/1984 1.54 09/08/1985 1.63 07/27/1986 2.88 08/03/1987 1.73 09/22/1988 1.44 08/28/1989 2.02 04/23/1990 1.63 07/17/1991 2.60 07/08/1992 1.63 04/24/1994 2.40 06/16/1996 1.54 08/30/1997 2.02 08/04/1998 2.21 08/18/1999 1.83 07/09/2000 3.27 04/06/2001 1.73 06/03/2002 1.30 08/25/2003 0.87 07/21/2005 1.83 06/08/2008 1.44 06/08/2009 2.02 Duration: 3 hours 06/24/1949 1.56 07/30/1950 2.18 08/07/1951 1.41 07/27/1952 0.99 07/21/1953 1.81 08/22/1954 1.24 07/02/1955 1.44 08/26/1956 1.30 07/21/1957 2.18 06/04/1958 3.32 06/25/1959 2.77 08/28/1960 2.56 07/01/1961 1.02 08/30/1962 2.41 06/29/1963 1.46 07/27/1964 3.50 09/18/1965 2.70 04/30/1967 1.43 07/18/1970 1.93 09/08/1971 1.22 07/03/1973 1.50 06/20/1974 1.40 08/24/1975 1.80 08/27/1977 1.30 07/05/1978 2.70 05/10/1979 1.30 07/11/1981 3.10 08/29/1982 1.40 08/07/1984 1.80 09/08/1985 1.70 07/27/1986 3.00 06/17/1987 1.90 09/22/1988 1.70 08/28/1989 2.40 04/23/1990 1.80 07/17/1991 3.00 07/08/1992 1.80 04/24/1994 2.50 08/22/1996 1.70 08/30/1997 2.20 08/04/1998 2.40 08/18/1999 1.90 07/10/2000 3.70 04/06/2001 1.80 06/03/2002 1.60 08/25/2003 0.90 09/15/2004 3.60 07/25/2005 2.30 06/08/2008 1.60 06/08/2009 2.30 Duration: 6 hours 06/24/1949 1.68 07/30/1950 2.67 06/01/1951 1.64 05/07/1952 1.05 07/21/1953 1.83 06/18/1954 1.76 07/02/1955 1.76 05/28/1956 1.39 07/21/1957 2.49 06/04/1958 3.79 06/25/1959 3.12 08/28/1960 2.76 06/30/1961 1.63 08/30/1962 2.87 06/29/1963 1.47 07/27/1964 5.10 09/18/1965 5.30 04/30/1967 1.44 10/08/1970 1.95 09/08/1971 1.24 07/03/1973 1.60 06/08/1974 1.60 08/24/1975 1.90 08/27/1977 1.40 07/05/1978 3.30 08/21/1979 1.70 07/11/1981 3.13 08/29/1982 1.70 08/07/1984 1.82 09/08/1985 1.72 07/27/1986 3.10 06/17/1987 2.00 09/21/1988 2.00 08/28/1989 2.42 04/23/1990 1.90 07/17/1991 3.10 07/08/1992 1.82 04/24/1994 2.70 06/16/1996 1.80 08/30/1997 2.22 08/04/1998 2.50 07/18/1999 2.00 07/10/2000 3.74 04/06/2001 1.82 10/04/2002 1.62 05/04/2003 1.10 09/14/2004 4.80 07/25/2005 2.80 06/08/2008 1.70 06/08/2009 2.40 Duration: 12 hours 06/24/1949 1.87 07/30/1950 2.81 06/01/1951 1.66 05/07/1952 1.19 07/21/1953 3.03 06/18/1954 2.20 07/02/1955 1.78 05/28/1956 1.66 07/21/1957 2.57 06/03/1958 3.83 06/25/1959 3.16 08/28/1960 2.94 06/30/1961 1.67 08/30/1962 3.85 06/29/1963 1.49 07/27/1964 5.15 09/18/1965 5.90 04/30/1967 1.60 10/08/1970 2.70 06/06/1971 1.60 07/03/1973 1.62 06/08/1974 1.90 11/09/1975 2.40 08/27/1977 1.80 07/05/1978 3.40 08/21/1979 2.60 07/11/1981 4.20 10/19/1982 2.20 06/07/1984 1.84 09/08/1985 1.90 07/27/1986 3.40 06/17/1987 2.02 09/21/1988 2.02 08/28/1989 2.45 04/23/1990 3.50 07/17/1991 3.13 07/08/1992 1.84 04/24/1994 3.40 06/16/1996 2.20 08/29/1997 2.30 08/04/1998 2.52 07/18/1999 2.20 05/31/2000 4.10 09/22/2001 2.30 10/04/2002 1.64 05/04/2003 1.50 09/14/2004 5.20 07/25/2005 2.90 06/08/2008 2.40 06/07/2009 2.60 Duration: 1 day 07/24/1886 3.00 06/28/1942 3.45 07/03/1943 2.28 09/19/1944 2.12 06/24/1949 1.68 07/30/1950 2.51 08/07/1951 1.48 05/07/1952 1.12 07/21/1953 3.21 06/18/1954 2.44 07/02/1955 1.59 03/27/1956 1.74 07/21/1957 3.03 06/04/1958 3.74 06/25/1959 3.53 08/28/1960 2.62 07/01/1961 1.49 08/30/1962 4.47 06/29/1963 1.43 07/27/1964 4.60 09/18/1965 5.71 04/30/1967 1.52 10/08/1970 3.21 06/07/1971 1.70 11/20/1973 1.88 06/09/1974 1.70 11/09/1975 2.41 08/27/1977 1.70 07/05/1978 3.04 08/21/1979 2.59 07/11/1981 3.84 08/29/1982 2.05 06/07/1984 1.70 09/08/1985 1.70 07/27/1986 3.04 06/17/1987 1.80 09/22/1988 2.59 08/28/1989 2.19 04/23/1990 3.21 07/17/1991 2.80 07/08/1992 1.96 04/24/1994 3.21 06/16/1996 2.32 08/30/1997 2.05 06/27/1998 2.50 07/18/1999 3.30 07/10/2000 6.43 04/11/2001 2.50 06/03/2002 2.41 05/04/2003 1.43 09/15/2004 5.36 07/25/2005 3.31 08/02/2006 2.08 08/19/2007 5.55 06/08/2008 3.84 06/08/2009 2.41 06/15/2010 5.00 Duration: 2 days 07/24/1886 3.23 06/28/1942 5.13 07/03/1943 2.46 06/16/1944 2.32 06/23/1949 2.14 07/30/1950 2.95 06/01/1951 2.58 07/19/1952 1.21 07/20/1953 3.62 06/18/1954 3.92 07/01/1955 1.79 05/27/1956 2.38 07/20/1957 3.37 06/03/1958 4.05 06/24/1959 5.45 08/28/1960 2.83 07/30/1961 1.71 08/30/1962 5.95 07/18/1963 1.63 07/27/1964 4.95 09/18/1965 6.83 06/07/1967 3.08 10/08/1970 3.94 06/06/1971 1.83 07/02/1973 2.69 06/08/1974 2.21 11/09/1975 2.60 08/27/1977 1.83 07/05/1978 3.56 10/21/1979 3.17 07/10/1981 4.14 09/29/1982 2.79 04/29/1984 1.83 09/08/1985 1.83 07/27/1986 3.27 06/17/1987 1.94 09/21/1988 2.79 08/28/1989 3.85 04/23/1990 3.46 07/17/1991 3.02 11/01/1992 2.50 04/24/1994 3.65 06/16/1996 3.37 08/29/1997 2.21 06/27/1998 3.17 07/18/1999 3.65 07/09/2000 6.92 06/13/2001 3.17 06/03/2002 3.75 05/03/2003 1.63 09/14/2004 5.96 07/25/2005 4.84 04/07/2006 2.50 08/19/2007 6.09 06/08/2008 4.42 06/07/2009 3.17 09/23/2010 6.25 Duration: 3 days 07/24/1886 3.26 06/27/1942 5.18 06/12/1943 2.48 06/16/1944 2.51 06/23/1949 2.24 07/30/1950 3.10 05/31/1951 2.78 05/07/1952 1.39 08/01/1953 3.89 06/18/1954 4.58 07/01/1955 1.87 05/27/1956 2.48 07/20/1957 3.50 06/03/1958 4.21 06/24/1959 5.67 08/28/1960 2.94 07/30/1961 1.79 08/29/1962 6.19 07/16/1963 1.89 07/27/1964 5.10 09/18/1965 7.40 06/07/1967 3.30 10/07/1970 4.10 10/27/1971 1.90 07/01/1973 2.80 06/07/1974 2.30 11/09/1975 2.70 08/27/1977 1.90 07/04/1978 3.70 08/19/1979 3.70 07/10/1981 4.30 11/09/1982 2.90 08/05/1984 2.00 09/08/1985 2.00 07/25/1986 3.50 06/17/1987 2.00 09/21/1988 2.90 08/26/1989 4.20 04/23/1990 3.60 07/17/1991 3.10 10/31/1992 2.60 04/24/1994 3.80 06/16/1996 3.50 08/29/1997 2.30 06/27/1998 3.20 07/18/1999 5.70 07/09/2000 7.20 06/13/2001 3.40 06/02/2002 4.10 05/03/2003 1.70 09/14/2004 6.20 07/25/2005 4.89 04/07/2006 2.52 08/18/2007 6.53 06/08/2008 4.46 10/22/2009 3.20 09/23/2010 6.31 Duration: 4 days 07/24/1886 3.29 06/27/1942 5.23 06/12/1943 2.58 08/20/1944 2.55 06/23/1949 2.26 07/30/1950 3.13 05/31/1951 2.81 05/07/1952 1.40 07/31/1953 4.47 06/18/1954 5.29 06/29/1955 2.26 05/27/1956 2.63 07/20/1957 3.53 06/03/1958 4.25 06/24/1959 6.18 08/25/1960 4.03 07/01/1961 2.02 08/29/1962 6.25 07/16/1963 2.09 07/27/1964 5.20 09/17/1965 7.70 06/07/1967 3.80 10/07/1970 4.14 10/27/1971 2.40 09/26/1973 3.00 06/18/1974 2.50 08/21/1975 3.10 08/25/1977 2.10 07/04/1978 3.74 08/19/1979 3.80 07/11/1981 6.00 08/29/1982 3.20 04/27/1984 2.40 09/05/1985 3.30 07/24/1986 4.30 06/17/1987 2.02 09/19/1988 5.00 08/28/1989 4.60 04/23/1990 3.64 09/08/1991 4.00 10/31/1992 2.63 04/24/1994 3.84 06/16/1996 3.53 08/29/1997 2.32 06/24/1998 3.23 07/18/1999 6.00 07/07/2000 7.30 06/13/2001 3.43 06/02/2002 4.14 05/08/2003 2.30 09/14/2004 6.26 07/22/2005 5.33 04/07/2006 2.55 08/19/2007 8.42 06/06/2008 4.99 10/22/2009 3.23 09/21/2010 6.37 Duration: 7 days 07/20/1886 3.33 06/25/1942 5.64 06/27/1943 3.95 06/11/1944 4.25 06/19/1949 3.02 07/15/1950 4.81 02/24/1951 2.99 07/14/1952 1.80 07/20/1953 5.05 06/15/1954 5.82 06/01/1955 2.44 04/27/1956 2.81 07/15/1957 5.50 05/30/1958 4.49 06/24/1959 7.85 08/25/1960 4.07 06/30/1961 2.23 08/29/1962 6.84 07/12/1963 2.45 07/27/1964 5.25 09/14/1965 8.80 06/07/1967 4.70 10/07/1970 4.20 10/27/1971 2.90 09/24/1973 3.60 06/03/1974 3.80 04/22/1975 3.50 08/21/1977 2.80 06/29/1978 5.60 08/17/1979 4.40 07/10/1981 6.20 05/12/1982 3.90 04/26/1984 2.80 09/02/1985 3.70 07/24/1986 4.50 08/03/1987 2.70 09/16/1988 5.20 08/26/1989 6.50 04/23/1990 5.00 07/11/1991 4.90 07/08/1992 3.50 04/24/1994 4.20 06/11/1996 3.90 07/12/1997 2.70 06/27/1998 3.26 07/16/1999 6.80 07/05/2000 7.50 04/05/2001 4.60 06/02/2002 4.18 05/04/2003 3.60 07/21/2005 7.37 04/02/2006 3.44 08/16/2007 9.47 06/06/2008 6.03 06/07/2009 3.30 09/21/2010 6.44 Duration: 10 days 07/20/1886 3.36 06/25/1942 5.73 06/27/1943 4.10 06/09/1944 5.14 06/19/1949 3.17 07/12/1950 5.13 05/25/1951 3.29 06/15/1952 2.41 07/25/1953 6.08 06/12/1954 5.89 05/28/1955 3.34 04/26/1956 3.24 07/12/1957 7.10 05/30/1958 4.67 06/24/1959 7.93 08/19/1960 4.47 07/23/1961 2.74 08/22/1962 8.11 07/12/1963 2.65 07/20/1964 5.30 09/12/1965 9.00 06/07/1967 5.60 10/07/1970 4.24 10/27/1971 2.93 09/24/1973 5.10 06/03/1974 3.90 04/18/1975 3.80 08/19/1977 3.40 06/29/1978 6.60 08/19/1979 5.00 07/10/1981 6.80 05/04/1982 4.50 06/07/1984 3.80 09/20/1985 4.10 07/19/1986 4.54 08/03/1987 2.80 09/16/1988 5.25 08/22/1989 7.10 06/11/1990 5.30 07/11/1991 5.40 07/08/1992 3.54 04/24/1994 4.24 06/11/1996 4.10 07/12/1997 3.40 06/18/1998 4.30 07/18/1999 8.20 07/02/2000 8.40 04/05/2001 5.00 05/26/2002 4.70 05/03/2003 4.50 07/18/2005 8.41 03/30/2006 4.24 08/18/2007 10.75 06/03/2008 6.41 10/21/2009 4.67 09/16/2010 6.50 Duration: 20 days 07/09/1886 5.24 06/27/1942 7.77 05/30/1943 5.37 05/31/1944 7.42 06/12/1949 4.66 07/12/1950 8.20 08/02/1951 4.74 06/08/1952 3.71 07/17/1953 9.92 06/14/1954 7.31 05/22/1955 4.66 08/11/1956 4.12 07/03/1957 8.52 05/17/1958 5.07 06/24/1959 9.38 08/09/1960 6.64 07/12/1961 3.72 08/22/1962 9.46 06/29/1963 4.30 07/11/1964 5.90 09/12/1965 12.00 06/07/1967 6.10 10/08/1970 6.00 10/18/1971 3.40 09/24/1973 5.90 06/03/1974 6.40 04/22/1975 5.30 08/09/1977 5.30 06/29/1978 7.50 08/02/1979 7.50 06/28/1981 7.30 05/04/1982 7.60 06/04/1984 5.30 09/04/1985 6.00 09/14/1986 6.60 08/03/1987 4.70 09/03/1988 5.50 08/22/1989 8.20 06/11/1990 7.20 07/04/1991 7.60 09/02/1992 4.90 04/12/1994 5.50 06/01/1996 6.10 07/07/1997 5.80 06/18/1998 6.90 07/16/1999 10.40 05/17/2000 11.90 05/02/2001 5.90 06/02/2002 6.20 04/30/2003 5.10 07/10/2005 8.54 03/31/2006 6.28 08/04/2007 12.20 05/25/2008 8.57 10/12/2009 5.34 09/07/2010 7.76 Duration: 30 days 06/26/1886 6.54 06/01/1942 10.77 06/12/1943 7.34 05/29/1944 9.31 06/01/1949 6.55 07/12/1950 9.33 07/21/1951 6.46 06/08/1952 4.92 07/05/1953 11.77 05/23/1954 9.02 05/09/1955 5.13 07/30/1956 6.14 06/22/1957 9.69 05/26/1958 5.95 06/11/1959 10.25 08/02/1960 8.49 07/01/1961 4.85 08/22/1962 9.82 06/28/1963 4.92 07/27/1964 7.80 08/30/1965 14.40 06/07/1967 6.30 10/07/1970 7.20 05/11/1971 4.60 04/08/1973 6.90 05/11/1974 6.50 04/25/1975 6.40 08/04/1977 6.40 06/23/1978 10.40 07/30/1979 9.40 07/10/1981 10.30 05/04/1982 7.60 04/26/1984 6.30 08/28/1985 8.10 09/14/1986 9.50 07/19/1987 6.50 08/27/1988 5.80 08/13/1989 8.70 06/11/1990 8.20 07/11/1991 10.10 06/16/1992 5.80 07/12/1994 7.90 05/25/1996 7.70 06/28/1997 7.10 06/08/1998 9.10 07/02/1999 12.10 05/17/2000 16.00 04/05/2001 8.50 05/25/2002 7.20 04/16/2003 6.10 05/19/2004 12.80 07/22/2005 11.75 04/02/2006 7.13 08/04/2007 14.45 05/30/2008 8.74 10/02/2009 7.61 09/01/2010 9.46 Duration: 45 days 07/03/1886 8.55 06/01/1942 13.39 05/30/1943 10.02 05/15/1944 11.91 05/13/1949 7.52 07/01/1950 9.57 07/07/1951 8.42 06/13/1952 7.58 06/23/1953 15.25 05/23/1954 10.50 05/22/1955 7.27 07/17/1956 8.28 07/03/1957 11.96 05/31/1958 7.90 05/26/1959 12.94 08/13/1960 10.22 06/30/1961 6.55 08/22/1962 11.83 06/29/1963 6.64 07/27/1964 10.30 08/16/1965 17.00 04/30/1967 8.00 10/07/1970 9.00 05/17/1971 6.30 05/20/1973 9.50 05/08/1974 10.20 04/15/1975 9.40 07/14/1977 9.30 06/19/1978 12.10 07/15/1979 10.80 06/23/1981 11.90 08/22/1982 10.20 04/26/1984 8.40 08/22/1985 10.50 08/30/1986 11.80 07/05/1987 8.40 08/18/1988 8.70 07/18/1989 10.50 06/11/1990 10.70 07/04/1991 13.00 06/13/1992 7.10 06/27/1994 9.30 05/14/1996 8.90 06/15/1997 9.60 05/24/1998 11.10 07/16/1999 16.00 05/27/2000 21.90 05/01/2001 11.50 05/25/2002 8.30 05/04/2003 7.40 05/08/2004 15.40 07/18/2005 14.68 03/31/2006 10.58 07/17/2007 17.13 05/30/2008 10.96 09/22/2009 9.24 08/11/2010 10.60 Duration: 60 days 07/24/1886 10.00 06/03/1942 16.34 05/30/1943 11.75 04/20/1944 13.71 06/01/1949 9.45 06/02/1950 10.99 06/25/1951 10.98 06/13/1952 8.87 06/07/1953 16.79 04/24/1954 12.41 05/06/1955 7.81 06/16/1956 9.57 07/03/1957 13.90 05/26/1958 8.80 06/24/1959 16.37 08/02/1960 12.38 06/06/1961 7.48 07/07/1962 13.41 06/02/1963 7.33 07/27/1964 12.80 08/03/1965 18.50 04/30/1967 9.50 09/14/1970 10.20 05/15/1971 8.30 08/06/1973 11.70 04/27/1974 11.40 04/25/1975 12.50 06/30/1977 10.80 05/25/1978 14.80 07/03/1979 12.20 07/10/1981 14.40 08/22/1982 12.90 04/26/1984 11.70 08/09/1985 12.10 08/13/1986 15.40 06/17/1987 10.50 08/03/1988 10.20 07/08/1989 12.10 06/11/1990 15.00 07/17/1991 14.90 06/13/1992 8.70 06/12/1994 10.90 04/25/1996 9.70 07/04/1997 11.70 05/14/1998 12.50 07/16/1999 18.50 05/12/2000 26.90 04/05/2001 13.30 04/11/2002 9.60 04/30/2003 9.10 05/08/2004 19.30 07/18/2005 17.08 03/17/2006 11.48 07/17/2007 18.14 04/11/2008 15.13 04/25/2009 10.92 07/28/2010 12.63