Precipitation annual maximum series (inches) Station ID: 21-3296 Station name: GRAND PORTAGE RNG STN State: MN Latitude (decimal degrees): 47.9708 Longitude (decimal degrees): -89.6906 Elevation (feet): 730 Duration: 1 hour 09/12/1951 1.04 08/06/1953 0.60 08/22/1954 0.40 10/06/1955 0.85 05/11/1956 0.41 06/21/1957 0.63 09/03/1958 1.02 08/19/1959 0.75 06/01/1960 0.30 09/10/1961 0.74 07/10/1962 0.38 08/28/1963 0.42 06/09/1964 0.57 06/27/1965 0.84 07/09/1966 0.66 07/22/1967 0.46 07/13/1968 1.30 08/06/1969 1.38 09/21/1970 1.85 09/28/1971 0.70 06/13/1972 0.36 08/26/1993 0.70 08/27/1994 0.50 06/18/1998 0.50 10/18/2007 0.90 06/06/2008 1.20 07/30/2009 1.10 07/14/2010 0.80 Duration: 2 hours 09/12/1951 1.44 09/10/1953 0.69 05/01/1954 0.65 10/06/1955 0.89 05/26/1956 0.57 06/21/1957 0.74 09/03/1958 1.10 08/19/1959 1.40 08/07/1960 0.41 09/10/1961 1.38 08/05/1962 0.52 08/28/1963 0.64 06/09/1964 0.77 07/01/1965 1.20 07/09/1966 0.73 07/22/1967 0.62 07/13/1968 1.90 08/06/1969 1.45 09/20/1970 2.22 09/28/1971 0.73 05/29/1972 0.62 08/26/1993 0.80 08/23/1994 0.70 06/18/1998 1.00 10/18/2007 1.30 06/06/2008 2.10 07/30/2009 1.50 07/14/2010 0.90 Duration: 3 hours 09/12/1951 1.55 09/10/1953 0.93 05/01/1954 0.90 07/03/1955 0.94 05/26/1956 0.60 06/21/1957 0.84 09/03/1958 1.56 08/18/1959 2.00 04/13/1960 0.52 09/10/1961 1.59 07/10/1962 0.66 08/28/1963 0.99 06/09/1964 0.79 07/01/1965 1.69 07/09/1966 0.76 07/22/1967 0.74 07/13/1968 2.05 08/06/1969 1.48 09/20/1970 2.40 09/28/1971 0.95 07/22/1972 0.80 07/25/1993 0.90 08/23/1994 0.90 10/17/1998 1.20 10/18/2007 1.60 06/06/2008 2.50 07/30/2009 1.53 06/13/2010 0.92 Duration: 6 hours 09/12/1951 1.57 08/06/1953 1.07 04/30/1954 1.49 07/03/1955 0.95 05/13/1956 0.82 05/21/1957 0.95 09/03/1958 1.58 08/18/1959 2.85 04/13/1960 0.80 09/10/1961 1.85 07/10/1962 0.73 08/28/1963 1.02 04/21/1964 1.01 07/01/1965 2.03 07/09/1966 0.86 06/19/1967 1.00 07/13/1968 2.17 08/06/1969 1.49 09/20/1970 2.42 10/27/1971 1.04 05/29/1972 1.13 07/09/1993 1.30 08/23/1994 0.91 10/16/1998 1.80 10/18/2007 2.30 06/06/2008 3.20 07/30/2009 1.70 06/08/2010 1.20 Duration: 12 hours 09/26/1951 1.70 06/08/1953 1.65 04/30/1954 2.30 07/03/1955 0.96 07/08/1956 1.26 11/07/1957 1.05 08/30/1958 1.68 08/18/1959 3.03 04/13/1960 1.04 09/10/1961 1.87 04/27/1962 0.80 11/22/1963 1.13 06/22/1964 1.34 07/01/1965 2.51 08/22/1966 1.06 06/19/1967 1.15 07/13/1968 2.32 08/06/1969 1.51 09/20/1970 2.45 05/23/1971 1.65 05/28/1972 1.27 07/25/1993 1.40 04/25/1994 1.10 10/16/1998 2.10 10/18/2007 2.60 06/05/2008 3.50 07/30/2009 1.80 08/20/2010 1.60 Duration: 1 day 09/28/1895 1.49 11/27/1896 1.84 09/19/1925 1.58 09/21/1926 3.00 06/21/1927 1.46 06/17/1928 2.53 10/31/1929 2.73 11/20/1930 2.90 10/27/1931 2.72 11/09/1932 2.65 04/05/1933 2.95 11/20/1934 1.75 06/14/1935 1.48 08/28/1936 2.50 07/15/1937 2.45 08/20/1938 2.40 06/29/1939 1.47 11/11/1940 2.45 01/02/1941 4.64 03/27/1942 2.62 10/13/1943 2.14 06/27/1944 1.80 07/09/1945 1.50 09/05/1946 3.30 11/07/1947 2.00 10/08/1949 2.27 08/01/1950 2.71 09/26/1951 1.60 06/08/1953 2.12 04/30/1954 2.64 10/29/1955 1.29 07/08/1956 1.63 06/21/1957 1.37 08/30/1958 1.77 08/19/1959 3.04 11/01/1960 1.08 09/11/1961 2.57 04/28/1962 0.87 06/10/1963 1.41 04/28/1964 1.62 07/02/1965 2.58 03/05/1966 2.23 06/20/1967 1.24 07/14/1968 2.40 08/06/1969 1.46 09/21/1970 2.19 05/23/1971 1.91 09/09/1977 3.38 06/13/1989 2.43 07/07/1990 2.35 06/29/1991 1.92 08/08/1992 2.77 04/26/1994 1.61 09/30/1995 1.96 06/29/1996 2.34 07/02/1997 2.50 11/19/1998 2.59 07/05/1999 2.85 11/07/2000 1.56 04/07/2001 2.25 08/01/2002 1.85 10/23/2004 2.88 06/30/2005 1.57 09/23/2006 1.02 10/19/2007 2.68 06/06/2008 3.12 04/01/2009 2.23 10/27/2010 1.52 Duration: 2 days 09/22/1895 2.10 11/26/1896 2.76 09/19/1925 1.81 06/20/1926 3.23 06/20/1927 2.16 08/28/1928 2.72 09/09/1929 3.23 09/11/1930 3.33 10/27/1931 3.02 11/08/1932 4.75 04/05/1933 3.18 11/20/1934 2.12 09/03/1935 2.28 08/28/1936 2.75 07/15/1937 2.81 08/19/1938 3.18 08/09/1939 1.67 06/03/1940 2.69 01/01/1941 5.00 03/27/1942 3.50 10/13/1943 2.32 05/03/1944 2.02 11/21/1945 1.62 09/04/1946 4.05 11/06/1947 2.35 10/08/1949 2.44 07/31/1950 3.76 11/12/1951 2.33 05/20/1953 2.41 04/30/1954 3.08 10/05/1955 1.65 07/07/1956 1.79 06/20/1957 1.69 08/29/1958 2.24 08/19/1959 3.27 10/31/1960 1.66 09/10/1961 3.12 09/09/1962 1.31 04/02/1963 1.62 05/05/1964 2.28 07/02/1965 2.78 03/05/1966 2.40 06/20/1967 1.57 07/14/1968 2.58 01/23/1969 1.80 09/21/1970 2.36 05/23/1971 2.53 09/08/1977 4.55 06/13/1989 2.68 07/07/1990 2.53 06/29/1991 2.07 08/07/1992 3.04 04/26/1994 1.88 09/30/1995 2.93 07/07/1996 4.10 07/02/1997 2.69 10/16/1998 3.46 07/05/1999 3.07 11/06/2000 1.71 04/23/2001 2.87 08/01/2002 1.99 10/23/2004 3.10 10/04/2005 1.94 05/24/2006 1.20 10/19/2007 3.37 06/06/2008 3.46 04/01/2009 2.42 10/26/2010 2.31 Duration: 3 days 09/22/1895 2.12 11/25/1896 3.31 09/19/1925 1.83 09/21/1926 4.04 06/20/1927 2.18 08/27/1928 3.07 09/09/1929 3.26 09/11/1930 3.38 10/27/1931 3.35 11/08/1932 5.29 04/05/1933 3.21 11/20/1934 2.37 09/03/1935 2.30 08/28/1936 2.78 08/31/1937 3.10 08/19/1938 3.21 08/09/1939 2.22 10/30/1940 2.80 01/01/1941 5.05 03/27/1942 3.76 06/01/1943 2.35 06/03/1944 2.35 02/13/1945 1.65 09/04/1946 4.09 11/05/1947 2.50 10/08/1949 3.55 07/30/1950 3.97 11/12/1951 2.58 05/19/1953 2.59 04/30/1954 3.40 10/05/1955 1.72 07/07/1956 1.86 06/19/1957 2.01 08/29/1958 2.36 08/19/1959 3.31 10/30/1960 1.83 09/10/1961 3.24 09/09/1962 1.32 08/27/1963 1.75 05/05/1964 2.47 07/02/1965 2.99 03/05/1966 2.42 07/22/1967 1.96 07/14/1968 4.65 01/23/1969 1.82 10/27/1970 2.56 05/23/1971 3.24 09/07/1977 4.69 06/13/1989 2.71 07/07/1990 2.56 06/29/1991 2.46 08/07/1992 3.07 04/26/1994 1.90 09/30/1995 2.96 07/07/1996 4.14 06/23/1997 2.72 10/16/1998 3.84 07/05/1999 3.10 11/06/2000 1.73 04/21/2001 3.09 08/16/2002 2.04 10/23/2004 3.13 10/04/2005 3.07 05/11/2006 1.50 10/17/2007 4.11 06/05/2008 3.61 04/01/2009 2.44 10/26/2010 2.48 Duration: 4 days 09/22/1895 2.14 11/25/1896 3.34 08/13/1925 1.95 09/21/1926 4.08 06/21/1927 2.40 06/17/1928 3.33 09/09/1929 3.29 09/09/1930 3.45 10/24/1931 3.54 11/08/1932 5.34 09/16/1933 4.10 08/31/1934 2.41 09/03/1935 2.32 08/28/1936 2.81 08/30/1937 4.00 08/19/1938 3.24 06/26/1939 2.32 10/30/1940 2.83 01/01/1941 5.10 03/27/1942 3.80 06/01/1943 2.40 06/02/1944 3.15 08/11/1945 2.05 09/04/1946 4.13 11/04/1947 2.60 10/08/1949 3.58 07/29/1950 4.16 09/09/1951 3.21 05/20/1953 2.65 04/30/1954 3.75 10/03/1955 2.18 07/05/1956 2.11 06/20/1957 2.10 08/29/1958 2.38 08/19/1959 3.34 10/30/1960 1.89 09/10/1961 3.64 07/07/1962 1.61 08/27/1963 2.08 05/04/1964 2.81 07/02/1965 3.02 03/05/1966 2.45 07/22/1967 1.98 07/14/1968 4.71 01/23/1969 1.84 10/26/1970 3.16 05/23/1971 3.27 09/06/1977 4.83 06/13/1989 2.74 07/07/1990 2.59 06/26/1991 3.21 08/07/1992 3.18 04/26/1994 2.59 09/30/1995 3.39 07/07/1996 4.18 06/23/1997 2.75 10/16/1998 3.88 07/02/1999 3.13 11/06/2000 1.75 04/21/2001 3.77 10/04/2002 2.35 10/23/2004 3.16 10/04/2005 3.10 05/10/2006 1.75 10/17/2007 4.37 06/06/2008 4.19 04/01/2009 2.48 10/25/2010 2.50 Duration: 7 days 09/22/1895 3.59 03/28/1896 3.60 08/08/1925 2.40 09/17/1926 4.98 09/28/1927 3.46 06/17/1928 4.35 09/09/1929 3.64 11/15/1930 6.32 09/20/1931 4.57 11/04/1932 6.11 09/16/1933 4.14 11/18/1934 2.54 09/03/1935 3.43 12/29/1936 3.00 08/29/1937 5.40 08/14/1938 4.58 06/25/1939 2.78 05/16/1940 3.14 01/02/1941 5.15 03/21/1942 4.22 04/27/1943 3.03 06/02/1944 3.18 08/11/1945 2.17 09/04/1946 4.90 06/05/1947 3.60 10/04/1949 3.81 07/27/1950 4.36 09/09/1951 3.31 05/15/1953 2.74 04/30/1954 4.09 10/03/1955 2.20 07/05/1956 2.20 06/17/1957 2.49 08/29/1958 3.96 08/19/1959 4.48 10/30/1960 1.91 09/10/1961 4.59 07/05/1962 1.70 06/10/1963 2.38 04/30/1964 3.35 06/28/1965 5.26 03/05/1966 3.45 07/22/1967 2.39 07/14/1968 4.81 01/23/1969 2.20 10/24/1970 4.09 05/19/1971 3.91 09/19/1977 6.56 06/08/1989 3.42 10/12/1990 2.90 06/26/1991 3.82 08/04/1992 3.48 07/23/1993 3.38 04/26/1994 2.65 09/30/1995 3.53 07/07/1996 5.20 06/23/1997 2.78 10/12/1998 4.25 07/05/1999 3.83 11/02/2000 3.16 04/06/2001 4.36 07/26/2002 3.18 05/26/2004 3.19 10/04/2005 3.13 05/09/2006 2.10 10/03/2007 4.62 06/06/2008 5.20 04/01/2009 2.50 10/25/2010 2.53 Duration: 10 days 09/22/1895 3.63 05/17/1896 4.41 08/08/1925 3.10 09/14/1926 5.20 09/28/1927 3.65 06/12/1928 4.86 09/03/1929 3.91 11/15/1930 6.57 09/20/1931 4.62 10/31/1932 6.89 09/16/1933 5.97 10/16/1934 3.18 09/03/1935 3.46 12/29/1936 3.45 08/25/1937 5.57 08/13/1938 5.23 06/22/1939 3.73 05/16/1940 3.72 01/01/1941 5.25 03/20/1942 6.36 04/27/1943 3.98 05/03/1944 3.49 08/11/1945 2.27 09/04/1946 4.95 06/05/1947 4.90 10/02/1949 4.17 07/24/1950 4.79 09/05/1951 3.75 05/20/1953 3.14 04/26/1954 4.41 09/27/1955 3.02 03/28/1956 2.77 06/14/1957 3.03 08/29/1958 4.53 08/19/1959 5.51 10/23/1960 2.13 09/06/1961 5.09 09/01/1962 2.12 06/10/1963 3.11 04/28/1964 5.35 06/27/1965 5.36 03/05/1966 3.48 06/12/1967 2.96 07/14/1968 5.23 01/15/1969 3.47 10/24/1970 4.84 05/17/1971 4.32 09/19/1977 6.87 06/05/1989 3.85 06/28/1990 3.10 06/26/1991 3.97 08/30/1992 3.88 07/24/1993 3.84 04/26/1994 2.68 09/30/1995 3.62 06/29/1996 6.44 06/23/1997 5.18 11/10/1998 5.17 06/30/1999 4.18 10/31/2000 3.23 04/05/2001 4.61 07/25/2002 3.25 10/23/2004 4.08 05/06/2005 3.69 05/09/2006 2.21 10/01/2007 4.95 06/05/2008 5.91 03/24/2009 3.85 06/09/2010 2.93 Duration: 20 days 09/04/1895 4.39 05/11/1896 5.21 07/25/1925 3.89 09/04/1926 7.54 06/20/1927 5.82 06/08/1928 6.49 09/03/1929 4.32 11/15/1930 6.84 09/20/1931 6.10 10/23/1932 10.10 09/07/1933 8.89 10/05/1934 4.80 06/02/1935 4.57 04/25/1936 4.42 08/29/1937 5.90 04/16/1938 6.46 06/15/1939 5.24 05/16/1940 6.64 01/01/1941 6.18 03/16/1942 7.24 06/01/1943 5.72 06/02/1944 5.30 11/13/1945 3.35 09/04/1946 6.72 06/05/1947 5.07 10/02/1949 5.17 07/15/1950 6.34 09/09/1951 6.49 05/20/1953 6.20 04/15/1954 5.14 09/17/1955 4.92 07/07/1956 3.28 06/16/1957 3.90 08/21/1958 5.54 08/19/1959 6.81 10/13/1960 3.39 08/28/1961 5.56 08/24/1962 2.63 06/02/1963 4.65 04/22/1964 6.96 06/27/1965 6.26 03/05/1966 4.09 06/04/1967 4.35 07/14/1968 6.05 01/15/1969 4.52 10/24/1970 5.85 10/17/1971 5.45 09/07/1977 11.68 05/25/1989 5.39 06/18/1990 5.54 06/14/1991 4.76 08/22/1992 5.49 07/09/1993 5.20 04/26/1994 3.62 09/14/1995 4.53 06/29/1996 7.94 06/15/1997 5.77 09/29/1998 6.95 06/23/1999 5.13 06/08/2000 4.66 04/05/2001 8.76 07/28/2002 4.72 05/13/2004 4.83 09/18/2005 4.57 04/30/2006 3.81 10/01/2007 9.32 05/27/2008 6.71 03/21/2009 4.03 06/05/2010 4.24 Duration: 30 days 09/04/1895 5.88 10/29/1896 6.87 09/02/1925 5.43 09/04/1926 8.93 06/20/1927 7.39 06/10/1928 8.66 08/13/1929 5.63 09/10/1930 9.08 10/24/1931 8.29 10/15/1932 11.22 09/01/1933 10.51 09/23/1934 6.39 06/14/1935 5.85 04/25/1936 5.27 08/20/1937 6.28 04/16/1938 6.75 06/15/1939 5.99 10/30/1940 7.10 08/24/1941 7.50 03/02/1942 7.89 06/01/1943 6.62 05/29/1944 7.20 11/05/1945 4.13 09/04/1946 8.17 06/05/1947 6.97 09/11/1949 6.03 07/03/1950 7.14 09/05/1951 8.39 05/10/1953 7.06 04/30/1954 5.54 09/08/1955 6.08 06/22/1956 4.04 06/06/1957 5.03 08/09/1958 7.18 08/13/1959 7.57 10/13/1960 3.80 09/02/1961 6.26 08/12/1962 3.52 05/28/1963 4.93 04/22/1964 7.59 06/20/1965 7.13 03/05/1966 4.78 06/04/1967 5.10 06/23/1968 6.75 01/02/1969 5.66 10/06/1970 7.47 10/01/1971 7.31 08/26/1977 12.32 05/19/1989 7.21 06/12/1990 6.71 06/14/1991 5.65 08/07/1992 7.51 07/02/1993 6.75 04/26/1994 4.57 09/30/1995 6.92 06/27/1996 8.57 06/18/1997 6.36 09/19/1998 9.42 06/30/1999 6.03 06/09/2000 6.05 04/05/2001 9.28 07/21/2002 6.14 05/14/2004 6.07 09/20/2005 5.79 04/30/2006 5.26 09/21/2007 10.84 05/30/2008 8.06 03/24/2009 5.48 06/05/2010 4.79 Duration: 45 days 08/26/1895 7.03 10/29/1896 7.42 08/08/1925 7.62 09/03/1926 11.85 06/04/1927 7.88 06/08/1928 10.22 08/02/1929 6.72 09/05/1930 10.68 09/13/1931 10.74 10/07/1932 11.98 09/07/1933 13.67 08/14/1934 8.18 06/02/1935 7.92 11/30/1936 6.02 08/29/1937 8.12 03/29/1938 8.51 05/20/1939 7.44 04/22/1940 9.08 08/24/1941 10.03 03/20/1942 9.05 05/16/1943 8.32 05/03/1944 9.10 03/11/1945 5.35 09/04/1946 10.65 05/19/1947 7.59 09/11/1949 7.18 06/19/1950 10.40 08/25/1951 10.65 05/19/1953 8.15 04/30/1954 6.78 09/16/1955 7.45 06/26/1956 5.23 05/21/1957 7.09 07/24/1958 8.25 08/19/1959 10.40 10/22/1960 5.68 08/30/1961 7.48 07/30/1962 4.70 06/06/1963 6.22 04/13/1964 9.40 05/21/1965 9.35 02/09/1966 5.04 06/20/1967 6.14 07/14/1968 9.42 12/22/1968 7.07 09/21/1970 10.37 09/23/1971 9.50 09/02/1977 14.47 05/15/1989 8.17 09/08/1990 8.28 05/24/1991 7.45 08/04/1992 10.03 07/20/1993 8.62 04/15/1994 5.69 09/13/1995 8.12 06/27/1996 11.00 06/07/1997 7.08 10/06/1998 12.43 07/05/1999 9.47 06/02/2000 7.12 04/05/2001 10.46 07/28/2002 8.89 09/16/2004 7.55 05/02/2005 8.52 04/20/2006 5.88 09/06/2007 13.97 06/05/2008 10.26 03/24/2009 7.23 06/01/2010 6.46 Duration: 60 days 08/09/1895 7.71 03/28/1896 12.04 08/08/1925 9.20 08/19/1926 13.42 05/09/1927 9.47 06/10/1928 11.10 09/03/1929 9.45 09/24/1930 13.12 08/31/1931 12.20 10/15/1932 12.80 09/01/1933 14.65 08/19/1934 10.78 06/02/1935 9.19 11/24/1936 7.84 07/09/1937 10.45 04/16/1938 9.95 06/15/1939 9.61 11/08/1940 9.81 08/11/1941 11.01 01/29/1942 11.78 04/27/1943 11.75 05/03/1944 11.02 02/13/1945 6.90 09/04/1946 12.65 05/01/1947 8.79 08/23/1949 7.73 06/15/1950 11.20 08/25/1951 11.41 05/10/1953 9.03 04/26/1954 8.40 09/08/1955 8.34 07/05/1956 6.53 05/14/1957 7.44 07/24/1958 8.93 08/19/1959 11.80 10/12/1960 6.36 09/06/1961 9.56 07/30/1962 5.65 05/20/1963 6.73 04/22/1964 11.07 05/07/1965 11.49 03/05/1966 6.15 06/06/1967 8.85 05/23/1968 12.27 12/02/1968 9.05 09/02/1970 12.86 09/27/1971 11.98 08/16/1977 16.33 05/01/1989 8.93 05/09/1990 9.22 09/05/1991 9.71 07/16/1992 10.72 07/02/1993 10.81 04/26/1994 7.28 09/05/1995 9.94 06/27/1996 12.23 05/05/1997 8.53 09/24/1998 13.22 06/23/1999 10.79 05/08/2000 8.53 04/05/2001 14.12 07/22/2002 9.88 09/01/2004 9.00 05/06/2005 10.53 04/25/2006 7.19 08/22/2007 15.94 04/25/2008 11.30 03/24/2009 8.70 06/05/2010 7.03