Precipitation annual maximum series (inches) Station ID: 21-8411 Station name: TWIN VALLEY 3 SW State: MN Latitude (decimal degrees): 47.2236 Longitude (decimal degrees): -96.2922 Elevation (feet): 1075 Duration: 1 hour 05/29/1949 1.82 06/24/1950 1.47 08/28/1951 0.65 07/19/1952 1.90 06/30/1953 1.50 06/14/1954 0.83 07/28/1955 1.22 05/10/1956 0.66 08/12/1957 0.70 06/04/1958 0.94 08/16/1959 0.73 08/25/1960 1.35 06/12/1961 0.76 09/08/1962 0.68 08/01/1963 0.85 07/08/1964 0.97 09/04/1965 0.77 07/26/1966 1.80 09/15/1967 0.51 07/13/1968 1.33 07/14/1969 3.05 06/16/1970 0.66 09/03/1971 1.49 07/22/1972 1.72 08/31/1973 2.87 04/27/1974 1.56 06/28/1975 1.23 07/30/1981 1.20 07/19/1982 1.30 08/28/1985 1.10 07/03/1986 0.90 07/22/1987 1.00 08/11/1988 1.50 09/03/1989 0.80 06/01/1990 1.10 08/03/1991 1.60 06/30/1992 0.80 08/08/1993 1.10 06/24/1998 2.00 06/20/2000 1.10 07/19/2001 1.00 07/25/2006 0.70 07/29/2008 0.90 Duration: 2 hours 07/05/1949 2.57 06/25/1950 1.85 08/28/1951 1.05 07/19/1952 2.10 06/30/1953 1.57 06/14/1954 1.21 07/28/1955 1.45 05/10/1956 0.91 08/12/1957 0.90 06/04/1958 1.77 08/16/1959 1.07 08/25/1960 1.50 08/17/1961 1.13 09/08/1962 0.94 05/31/1963 1.21 07/06/1964 1.02 09/04/1965 0.81 07/26/1966 1.89 09/15/1967 0.71 08/23/1968 1.59 07/14/1969 3.20 06/16/1970 0.97 09/03/1971 2.81 07/22/1972 1.87 08/31/1973 3.87 04/27/1974 1.64 06/28/1975 2.29 07/29/1976 0.44 09/06/1981 1.90 07/19/1982 1.90 08/28/1985 1.30 07/03/1986 0.94 07/22/1987 1.30 08/11/1988 1.57 06/25/1989 0.90 06/01/1990 1.50 06/13/1991 1.90 06/30/1992 1.60 08/08/1993 1.50 06/20/2000 1.80 07/19/2001 1.05 07/25/2006 0.80 07/29/2008 1.10 Duration: 3 hours 07/04/1949 2.71 06/25/1950 1.94 08/28/1951 1.17 07/19/1952 2.14 06/30/1953 1.60 06/14/1954 1.42 07/28/1955 1.63 05/10/1956 1.11 04/19/1957 1.04 06/04/1958 1.89 08/16/1959 1.16 08/25/1960 1.55 08/17/1961 1.37 09/08/1962 1.15 05/31/1963 1.23 08/21/1964 1.05 07/22/1965 0.89 07/26/1966 1.93 09/15/1967 0.72 08/23/1968 1.62 07/14/1969 3.26 06/16/1970 1.52 09/03/1971 3.01 07/22/1972 1.91 08/31/1973 4.05 04/27/1974 1.67 06/28/1975 3.15 07/29/1976 0.58 09/06/1981 2.10 07/19/1982 2.30 08/28/1985 1.50 07/03/1986 0.96 07/21/1987 1.40 08/11/1988 1.60 06/25/1989 1.20 06/01/1990 1.53 06/13/1991 2.10 06/30/1992 2.40 08/08/1993 1.53 06/20/2000 2.50 07/19/2001 1.07 07/25/2006 0.82 07/29/2008 1.12 Duration: 6 hours 05/29/1949 3.15 06/25/1950 2.03 08/28/1951 1.20 07/19/1952 3.17 06/30/1953 1.62 06/14/1954 1.43 07/28/1955 1.83 05/10/1956 1.41 04/19/1957 1.62 06/04/1958 1.99 08/16/1959 1.17 08/25/1960 1.61 08/17/1961 1.50 09/08/1962 1.83 08/11/1963 1.59 08/21/1964 1.27 07/22/1965 0.92 07/26/1966 1.95 09/15/1967 0.76 08/23/1968 1.64 07/14/1969 3.30 06/16/1970 1.90 09/03/1971 3.22 07/22/1972 1.93 08/31/1973 4.41 04/27/1974 1.69 06/28/1975 3.46 06/14/1976 0.65 09/06/1981 2.40 07/19/1982 2.80 05/10/1985 1.80 06/20/1986 1.10 07/21/1987 1.70 08/11/1988 1.62 06/25/1989 1.60 06/01/1990 1.60 06/13/1991 2.40 06/30/1992 3.20 07/16/1993 1.70 06/19/2000 3.10 10/09/2001 1.10 06/22/2002 4.30 09/02/2006 0.90 07/29/2008 1.13 Duration: 12 hours 07/04/1949 3.53 06/24/1950 3.69 08/28/1951 1.21 07/19/1952 3.20 06/15/1953 1.90 06/14/1954 1.49 07/28/1955 1.85 05/10/1956 1.53 04/18/1957 1.95 06/04/1958 2.02 08/16/1959 1.18 08/25/1960 1.65 08/17/1961 1.52 06/07/1962 2.15 05/26/1963 2.29 04/21/1964 1.74 05/15/1965 1.01 07/26/1966 1.97 06/17/1967 1.10 06/30/1968 1.93 07/14/1969 3.33 06/16/1970 2.00 09/03/1971 3.62 07/22/1972 1.95 08/31/1973 4.58 04/27/1974 1.71 06/28/1975 3.87 06/14/1976 0.96 09/06/1981 2.42 07/19/1982 3.00 05/10/1985 2.70 04/14/1986 1.30 07/21/1987 1.80 08/11/1988 1.64 06/24/1989 1.70 06/01/1990 1.62 06/13/1991 2.42 06/30/1992 4.10 07/15/1993 2.30 06/19/2000 3.70 10/10/2001 1.20 06/22/2002 5.00 09/01/2006 1.40 06/05/2008 1.30 Duration: 1 day 08/07/1941 3.45 08/29/1942 3.25 06/03/1943 1.96 08/08/1944 1.81 08/13/1945 1.30 09/10/1946 2.00 06/04/1947 1.40 08/10/1948 1.02 07/05/1949 3.79 06/25/1950 3.50 08/28/1951 1.27 07/19/1952 3.29 06/15/1953 1.88 06/14/1954 1.94 08/01/1955 2.17 04/03/1956 1.37 09/02/1957 2.50 06/04/1958 1.83 08/16/1959 1.06 08/25/1960 1.54 08/17/1961 1.36 09/08/1962 2.74 08/11/1963 2.13 04/21/1964 1.68 05/15/1965 1.52 07/26/1966 1.77 06/17/1967 0.98 06/30/1968 1.82 07/14/1969 2.98 06/16/1970 1.79 09/03/1971 3.26 07/22/1972 1.77 08/31/1973 4.55 08/10/1974 2.09 06/28/1975 4.17 09/06/1981 2.16 07/19/1982 2.77 06/08/1984 2.70 05/10/1985 2.86 04/14/1986 1.43 08/11/1988 1.88 06/25/1989 1.52 08/23/1990 1.70 06/13/1991 2.16 06/30/1992 3.75 07/25/1993 2.41 06/20/2000 3.30 10/10/2001 1.43 09/02/2006 1.43 07/29/2008 1.43 Duration: 2 days 08/29/1942 4.05 08/06/1943 2.81 08/08/1944 2.57 08/12/1945 1.44 09/09/1946 2.15 06/10/1947 1.67 08/10/1948 1.10 05/29/1949 4.57 06/24/1950 3.89 08/28/1951 1.83 07/19/1952 3.55 06/14/1953 2.74 06/13/1954 2.12 08/01/1955 2.38 04/03/1956 1.62 09/01/1957 2.93 06/03/1958 2.42 08/16/1959 1.14 08/25/1960 2.98 09/09/1961 1.46 06/07/1962 2.97 05/26/1963 2.30 04/20/1964 1.81 05/14/1965 1.64 07/25/1966 2.00 06/06/1967 1.75 06/30/1968 2.12 07/14/1969 3.21 06/15/1970 2.85 09/03/1971 4.00 07/21/1972 2.17 08/31/1973 7.02 08/09/1974 2.68 06/28/1975 5.38 06/14/1976 0.96 09/06/1981 2.40 07/19/1982 2.98 05/10/1985 4.23 04/14/1986 1.83 08/11/1988 2.12 06/24/1989 1.64 06/01/1990 2.60 06/13/1991 2.69 06/30/1992 4.04 07/15/1993 2.60 06/19/2000 4.23 10/09/2001 1.54 06/22/2002 5.67 09/01/2006 1.63 08/11/2008 1.54 Duration: 3 days 08/29/1942 4.27 08/05/1943 2.89 08/08/1944 2.59 08/12/1945 1.45 09/09/1946 2.17 04/04/1947 1.84 07/14/1948 1.16 05/29/1949 4.94 06/24/1950 4.05 08/28/1951 2.69 07/19/1952 3.69 06/14/1953 2.85 06/13/1954 2.21 08/01/1955 2.57 04/03/1956 1.71 09/01/1957 3.15 06/02/1958 2.56 08/16/1959 1.16 08/23/1960 3.17 09/10/1961 2.02 06/07/1962 3.52 05/26/1963 2.39 06/17/1964 2.10 05/14/1965 1.71 07/24/1966 2.08 06/06/1967 2.12 06/29/1968 2.21 07/14/1969 3.31 06/14/1970 2.96 09/03/1971 4.27 07/21/1972 2.26 08/31/1973 7.38 08/09/1974 2.79 06/28/1975 5.59 06/12/1976 1.03 09/06/1981 2.50 07/19/1982 3.10 06/06/1984 6.00 05/10/1985 4.60 06/20/1986 1.90 08/11/1988 2.70 06/24/1989 1.70 06/01/1990 2.80 06/13/1991 2.80 06/30/1992 4.30 07/15/1993 2.70 06/19/2000 4.50 07/19/2001 2.10 06/22/2002 5.90 09/01/2006 1.70 10/10/2008 1.70 Duration: 4 days 08/27/1942 4.40 08/06/1943 3.46 07/05/1944 2.96 09/17/1945 1.51 10/05/1946 2.20 06/08/1947 2.21 07/14/1948 1.17 05/29/1949 5.15 06/22/1950 4.95 08/28/1951 2.72 07/17/1952 3.98 06/14/1953 2.88 06/11/1954 2.33 08/01/1955 2.60 04/03/1956 1.81 08/31/1957 3.32 06/02/1958 2.59 08/22/1959 1.30 08/23/1960 3.20 09/09/1961 2.32 06/07/1962 3.58 05/26/1963 2.41 06/16/1964 2.30 05/14/1965 1.85 07/23/1966 2.34 06/05/1967 2.20 06/29/1968 2.23 07/14/1969 3.34 06/13/1970 3.21 09/03/1971 4.31 07/19/1972 3.41 08/31/1973 7.74 08/09/1974 2.82 06/28/1975 5.64 06/12/1976 1.38 09/06/1981 2.52 10/06/1982 3.20 06/05/1984 6.10 05/10/1985 4.70 06/18/1986 1.92 08/11/1988 2.80 08/28/1989 2.10 06/01/1990 2.83 06/13/1991 2.83 06/30/1992 4.50 07/15/1993 3.20 06/18/2000 4.60 07/19/2001 2.20 06/22/2002 5.96 09/01/2006 1.72 10/10/2008 1.90 Duration: 7 days 08/26/1942 4.76 05/29/1943 4.09 08/03/1944 3.79 09/17/1945 1.74 06/24/1946 2.45 06/04/1947 2.91 07/16/1948 1.72 07/03/1949 5.64 06/19/1950 5.25 08/25/1951 3.13 07/16/1952 4.15 06/14/1953 3.44 06/11/1954 2.38 07/26/1955 4.57 10/30/1956 2.01 08/30/1957 3.45 06/30/1958 3.03 08/16/1959 1.70 08/23/1960 3.66 09/07/1961 2.59 06/04/1962 3.75 05/26/1963 4.04 06/14/1964 3.00 05/14/1965 2.57 07/26/1966 3.19 06/06/1967 2.75 06/29/1968 2.46 07/14/1969 3.41 06/13/1970 3.44 08/30/1971 4.78 07/19/1972 3.56 08/31/1973 7.82 04/21/1974 2.89 06/26/1975 6.18 06/12/1976 1.73 08/31/1981 4.30 10/05/1982 4.10 06/04/1984 6.80 05/10/1985 5.60 04/14/1986 2.60 08/11/1988 2.83 08/28/1989 3.10 06/01/1990 2.90 04/27/1991 3.60 06/15/1992 4.54 07/13/1993 3.40 05/10/1998 6.80 06/14/2000 5.80 07/16/2001 2.40 06/18/2002 6.50 09/01/2006 1.74 06/05/2008 2.90 Duration: 10 days 08/26/1942 4.81 05/25/1943 5.26 07/03/1944 4.06 08/12/1945 2.53 06/21/1946 2.88 06/04/1947 3.66 07/16/1948 2.27 07/03/1949 6.04 06/19/1950 5.30 08/25/1951 3.16 07/12/1952 4.60 06/14/1953 3.93 06/07/1954 2.63 07/26/1955 4.95 03/27/1956 2.51 08/30/1957 3.74 06/02/1958 3.41 08/16/1959 2.46 08/23/1960 4.41 09/05/1961 2.74 05/14/1962 4.59 05/26/1963 4.08 06/14/1964 3.24 05/14/1965 2.88 07/23/1966 3.59 06/05/1967 3.08 06/22/1968 2.73 07/14/1969 3.84 06/07/1970 4.36 08/29/1971 4.88 07/19/1972 4.17 08/26/1973 8.04 04/20/1974 3.51 06/21/1975 6.58 06/09/1976 1.92 09/18/1977 3.50 08/31/1981 4.40 10/01/1982 4.70 10/10/1984 7.00 05/10/1985 5.66 06/13/1986 2.80 08/11/1988 3.00 08/26/1989 3.90 05/26/1990 3.10 04/27/1991 3.70 08/22/1992 4.70 07/16/1993 5.10 05/07/1998 7.40 06/13/2000 7.40 07/16/2001 2.50 08/24/2006 2.50 06/05/2008 3.50 Duration: 20 days 08/14/1942 5.34 05/16/1943 7.07 06/21/1944 5.78 09/08/1945 3.61 06/19/1946 4.29 05/23/1947 4.03 07/14/1948 3.35 07/03/1949 7.65 06/07/1950 6.39 08/15/1951 4.44 07/01/1952 7.23 06/14/1953 6.23 05/26/1954 3.50 07/21/1955 5.09 10/25/1956 3.24 06/09/1957 5.46 05/24/1958 4.10 08/05/1959 3.47 08/17/1960 5.16 09/05/1961 3.37 05/22/1962 6.83 05/26/1963 5.13 06/05/1964 4.98 05/09/1965 3.93 07/25/1966 5.13 06/05/1967 4.81 06/29/1968 3.99 06/25/1969 4.91 05/28/1970 5.36 09/30/1971 7.55 07/19/1972 5.98 08/20/1973 8.70 04/11/1974 4.34 06/19/1975 9.30 06/07/1976 2.95 09/06/1977 4.34 08/20/1981 5.60 09/28/1982 5.30 04/27/1985 6.30 04/14/1986 4.70 07/30/1988 4.60 08/18/1989 4.80 06/01/1990 4.60 06/13/1991 5.30 06/15/1992 9.20 07/06/1993 6.90 06/13/2000 8.20 07/16/2001 3.80 08/16/2006 2.80 05/29/2007 8.60 05/30/2008 4.30 Duration: 30 days 08/05/1942 6.52 05/16/1943 8.52 06/18/1944 7.49 08/12/1945 4.62 09/10/1946 5.43 05/13/1947 4.70 07/16/1948 4.73 07/03/1949 10.07 06/01/1950 6.58 08/01/1951 5.64 06/22/1952 8.31 06/02/1953 7.28 05/22/1954 3.77 07/04/1955 8.53 05/08/1956 4.06 08/22/1957 5.96 06/04/1958 5.53 05/26/1959 4.35 08/03/1960 6.34 08/17/1961 4.24 05/13/1962 9.50 05/12/1963 5.65 06/11/1964 5.43 05/09/1965 4.99 07/24/1966 6.70 05/25/1967 5.26 06/07/1968 5.45 07/08/1969 5.93 05/24/1970 6.10 09/03/1971 8.00 07/13/1972 6.43 08/05/1973 9.69 04/21/1974 5.60 06/09/1975 9.90 06/07/1976 3.30 08/27/1977 6.22 07/10/1981 8.20 09/12/1982 6.00 05/04/1985 7.20 04/14/1986 6.00 07/30/1988 4.80 08/11/1989 6.20 05/22/1990 5.00 06/13/1991 6.40 06/15/1992 10.10 07/10/1993 8.70 06/13/2000 9.20 07/02/2001 4.40 08/24/2006 3.80 05/20/2007 10.80 05/30/2008 5.50 Duration: 45 days 07/19/1942 8.11 05/24/1943 12.33 05/26/1944 10.65 08/12/1945 6.54 08/26/1946 6.45 05/01/1947 6.04 07/16/1948 5.94 05/29/1949 14.60 05/16/1950 8.29 08/01/1951 6.04 06/22/1952 9.21 05/17/1953 9.11 05/23/1954 4.79 06/18/1955 9.54 03/27/1956 4.78 06/11/1957 8.31 05/26/1958 8.06 05/26/1959 5.58 05/19/1960 7.44 08/17/1961 5.33 05/13/1962 10.76 04/28/1963 6.69 06/05/1964 7.70 08/24/1965 5.93 07/08/1966 7.61 05/10/1967 5.62 06/05/1968 7.19 06/23/1969 7.65 05/07/1970 7.46 09/03/1971 11.87 07/09/1972 8.40 07/22/1973 10.87 04/20/1974 7.80 06/19/1975 11.50 05/26/1976 3.96 08/25/1977 8.05 07/24/1981 9.50 08/30/1982 6.30 05/10/1985 9.60 04/14/1986 7.20 07/06/1988 6.20 08/11/1989 7.20 05/13/1990 6.10 06/09/1991 9.30 06/03/1992 11.00 06/13/1993 11.40 05/11/1998 14.80 05/27/2000 10.20 07/02/2001 4.40 04/28/2006 5.20 05/04/2007 12.00 05/30/2008 6.90 Duration: 60 days 07/06/1942 8.86 05/16/1943 14.90 05/12/1944 13.13 08/12/1945 8.27 08/14/1946 7.91 04/17/1947 6.41 07/14/1948 6.34 05/29/1949 17.08 04/29/1950 11.50 07/03/1951 7.48 06/16/1952 10.34 05/02/1953 10.22 04/20/1954 6.43 06/03/1955 12.02 05/10/1956 5.57 05/20/1957 9.14 05/13/1958 8.56 05/23/1959 6.85 07/01/1960 8.28 08/17/1961 6.13 05/13/1962 14.30 05/18/1963 7.59 06/05/1964 8.50 05/14/1965 7.17 06/24/1966 9.29 04/19/1967 6.74 05/06/1968 7.55 07/08/1969 9.40 04/18/1970 9.10 09/03/1971 13.53 06/26/1972 8.85 07/05/1973 11.81 04/11/1974 9.15 06/04/1975 12.58 06/07/1976 4.68 08/10/1977 8.89 07/10/1981 13.80 08/13/1982 8.00 04/29/1985 11.90 04/25/1986 8.40 06/13/1988 8.00 07/28/1989 7.30 04/25/1990 7.30 06/09/1991 11.20 06/15/1992 12.20 06/16/1993 13.70 05/07/1998 16.30 05/07/2000 11.00 07/16/2001 5.30 07/25/2006 5.80 06/01/2008 9.00