Precipitation annual maximum series (inches) Station ID: 32-3616 Station name: GRAND FORKS INTL AP State: ND Latitude (decimal degrees): 47.9428 Longitude (decimal degrees): -97.1839 Elevation (feet): 842 Duration: 1 hour 07/28/1949 1.01 09/17/1950 0.78 08/30/1951 1.39 07/01/1952 0.78 06/20/1953 0.55 07/06/1954 1.73 06/03/1955 1.05 06/30/1956 0.66 08/31/1957 1.50 05/30/1958 0.73 06/10/1959 0.64 07/01/1960 2.04 07/11/1961 0.87 09/02/1962 0.65 07/16/1963 0.58 09/26/1964 0.92 10/17/1965 0.55 06/09/1968 1.13 07/12/1971 0.50 06/18/1972 0.80 10/09/1973 0.50 08/14/1974 1.00 05/26/1977 0.80 09/11/1978 1.40 05/30/1985 0.90 06/03/1986 1.00 07/16/1987 1.10 07/12/1988 0.50 08/21/1989 0.70 06/01/1990 0.90 05/23/1991 0.80 07/24/1993 0.70 08/18/1995 1.40 05/17/1996 0.90 06/18/1998 1.30 08/21/2000 0.80 08/08/2001 1.80 06/17/2003 1.50 06/11/2005 0.90 05/24/2006 0.61 08/26/2007 0.73 07/28/2008 2.32 06/26/2009 0.94 08/10/2010 2.21 Duration: 2 hours 07/28/1949 1.22 09/17/1950 1.51 08/30/1951 2.04 07/01/1952 1.55 06/20/1953 0.71 07/06/1954 2.01 06/03/1955 1.27 06/30/1956 0.95 08/12/1957 2.19 06/04/1958 0.84 07/14/1959 1.02 07/01/1960 2.45 10/11/1961 1.04 09/02/1962 0.75 07/25/1963 0.64 06/11/1964 1.56 10/17/1965 1.00 07/16/1968 1.30 07/18/1971 0.80 06/18/1972 1.00 09/24/1973 0.90 08/14/1974 1.50 05/26/1977 0.84 09/11/1978 1.50 05/30/1985 1.20 05/12/1986 1.10 07/16/1987 1.30 07/05/1988 0.70 05/18/1989 0.90 06/01/1990 1.10 06/30/1991 1.00 06/22/1993 0.90 08/18/1995 1.50 05/17/1996 1.50 06/18/1998 1.60 06/13/2000 0.90 07/09/2002 2.60 06/17/2003 1.90 06/11/2005 1.20 08/10/2006 0.77 08/26/2007 0.84 07/28/2008 2.43 06/26/2009 1.31 08/10/2010 2.35 Duration: 3 hours 07/28/1949 1.24 09/17/1950 1.68 08/30/1951 2.58 07/01/1952 1.68 06/20/1953 0.87 07/06/1954 2.09 06/03/1955 1.29 06/30/1956 1.06 08/12/1957 2.36 06/04/1958 0.87 06/10/1959 1.38 07/01/1960 2.50 10/11/1961 1.18 09/02/1962 0.79 07/25/1963 0.73 06/11/1964 1.75 10/17/1965 1.02 07/16/1968 1.33 07/18/1971 1.10 06/18/1972 1.10 09/24/1973 1.10 08/14/1974 1.80 05/26/1977 0.86 09/11/1978 1.60 05/30/1985 1.40 05/12/1986 1.30 08/05/1987 1.50 07/12/1988 0.90 05/18/1989 0.92 06/01/1990 1.20 06/30/1991 1.10 06/22/1993 1.20 08/18/1995 2.00 05/17/1996 1.70 06/18/1998 1.63 06/14/2000 1.30 06/09/2002 3.30 06/17/2003 1.94 08/17/2005 1.50 08/10/2006 0.79 08/26/2007 0.86 07/28/2008 2.51 06/26/2009 1.44 08/10/2010 2.40 Duration: 6 hours 08/15/1949 1.37 09/17/1950 1.75 08/30/1951 3.51 07/01/1952 1.83 06/20/1953 0.92 07/06/1954 2.13 06/03/1955 1.31 06/30/1956 1.16 08/12/1957 2.60 06/04/1958 0.89 07/14/1959 1.66 07/01/1960 2.55 10/11/1961 1.42 09/02/1962 0.85 07/25/1963 0.75 06/11/1964 2.34 10/17/1965 1.03 06/05/1968 1.40 07/18/1971 1.30 06/18/1972 1.20 05/21/1973 1.40 08/14/1974 1.90 05/26/1977 0.90 09/11/1978 1.62 09/06/1981 3.10 08/16/1985 1.50 05/11/1986 1.50 08/05/1987 1.51 07/05/1988 1.00 03/29/1989 0.93 06/01/1990 1.50 07/20/1991 1.30 07/25/1993 1.30 08/18/1995 2.20 05/17/1996 2.10 06/18/1998 1.80 06/14/2000 1.70 06/09/2002 4.40 06/17/2003 1.96 08/17/2005 2.50 08/24/2006 0.80 10/07/2007 0.88 07/28/2008 2.54 06/26/2009 1.84 08/10/2010 2.42 Duration: 12 hours 10/09/1949 1.46 09/17/1950 1.77 08/30/1951 3.81 07/01/1952 2.42 06/20/1953 1.23 07/06/1954 2.15 06/03/1955 1.81 06/30/1956 1.17 08/12/1957 2.63 11/17/1958 0.98 10/08/1959 1.74 07/01/1960 2.58 10/11/1961 1.44 09/08/1962 1.61 07/25/1963 0.78 06/11/1964 2.74 09/04/1965 1.15 06/05/1968 1.86 07/18/1971 1.31 06/18/1972 1.40 05/21/1973 1.70 08/14/1974 2.00 10/07/1977 0.91 09/11/1978 2.80 09/06/1981 3.30 05/30/1985 1.60 05/11/1986 1.52 07/10/1987 1.80 07/05/1988 1.01 03/29/1989 1.00 06/01/1990 1.60 05/22/1991 1.60 07/25/1993 1.60 07/05/1995 2.22 05/17/1996 2.20 06/19/1998 2.00 06/14/2000 2.30 06/09/2002 4.90 06/17/2003 2.00 08/17/2005 2.70 09/15/2006 0.90 05/26/2007 1.05 07/28/2008 2.57 06/26/2009 2.49 08/10/2010 2.45 Duration: 1 day 08/15/1949 1.49 09/10/1950 2.33 08/30/1951 3.44 07/01/1952 2.31 06/20/1953 1.15 07/06/1954 1.92 06/03/1955 1.66 08/31/1956 1.52 08/12/1957 2.67 06/04/1958 1.53 10/08/1959 1.65 07/01/1960 2.33 07/10/1961 1.69 09/08/1962 2.34 07/26/1963 0.85 06/08/1964 2.46 09/04/1965 1.69 07/21/1966 2.57 06/06/1967 1.26 06/07/1968 1.88 06/25/1969 1.78 09/07/1970 2.89 07/12/1971 1.25 04/12/1972 1.87 09/24/1973 1.70 08/14/1974 1.96 06/22/1975 1.10 07/08/1976 1.34 11/08/1977 1.07 09/11/1978 3.39 07/02/1979 2.00 08/23/1980 1.13 09/06/1981 2.58 10/06/1982 1.69 07/30/1983 1.29 08/07/1984 2.29 05/30/1985 1.89 05/11/1986 1.43 08/05/1987 2.45 07/05/1988 1.96 08/18/1989 0.98 07/07/1990 1.52 09/08/1991 1.79 06/17/1992 1.50 07/25/1993 3.31 06/14/1994 2.59 07/16/1995 4.44 05/17/1996 2.41 07/01/1997 3.78 10/17/1998 3.30 05/30/1999 1.56 06/14/2000 2.14 07/18/2001 2.14 06/09/2002 4.46 09/17/2003 1.79 09/05/2004 2.00 08/17/2005 3.18 09/16/2006 0.94 06/07/2007 1.46 07/28/2008 2.41 06/26/2009 2.47 08/10/2010 2.19 Duration: 2 days 07/27/1949 1.68 09/09/1950 2.67 08/29/1951 3.72 06/30/1952 3.41 07/20/1953 1.54 07/06/1954 2.07 06/02/1955 1.90 08/30/1956 1.79 09/01/1957 4.71 07/03/1958 1.65 06/09/1959 2.06 07/01/1960 2.51 07/10/1961 2.64 09/08/1962 2.64 07/26/1963 1.57 06/08/1964 2.82 09/04/1965 1.82 07/21/1966 2.77 06/06/1967 1.36 06/06/1968 2.86 09/04/1969 2.22 09/06/1970 3.11 05/22/1971 1.63 04/12/1972 2.01 09/24/1973 2.02 04/20/1974 2.51 06/21/1975 1.34 07/08/1976 1.44 05/04/1977 1.37 09/11/1978 3.75 07/02/1979 2.71 08/12/1980 1.46 09/06/1981 2.78 10/09/1982 2.04 08/24/1983 1.57 08/07/1984 2.47 05/29/1985 2.08 11/07/1986 1.63 08/05/1987 3.46 07/04/1988 2.11 08/18/1989 1.35 03/14/1990 2.12 05/22/1991 2.16 06/16/1992 1.92 07/24/1993 4.61 06/13/1994 2.79 07/16/1995 4.78 05/16/1996 3.08 07/01/1997 4.07 06/18/1998 3.65 08/11/1999 2.33 06/13/2000 3.75 07/18/2001 2.30 06/09/2002 5.10 09/17/2003 1.93 09/05/2004 2.23 08/17/2005 3.42 08/09/2006 1.41 05/04/2007 2.09 07/28/2008 2.60 06/26/2009 2.66 08/10/2010 2.88 Duration: 3 days 05/29/1949 1.89 09/09/1950 2.76 08/28/1951 4.39 06/30/1952 3.60 07/19/1953 1.55 07/06/1954 2.10 06/01/1955 2.42 08/30/1956 1.81 08/31/1957 5.02 11/16/1958 1.87 06/09/1959 2.11 07/01/1960 2.59 07/10/1961 2.67 09/08/1962 2.67 07/25/1963 1.59 06/06/1964 2.85 09/04/1965 2.06 03/02/1966 2.80 06/06/1967 1.65 06/05/1968 3.85 06/23/1969 3.28 09/05/1970 3.14 05/22/1971 1.79 04/11/1972 2.03 09/24/1973 2.13 04/20/1974 2.53 06/28/1975 1.46 07/06/1976 1.46 05/03/1977 1.42 09/10/1978 3.79 07/02/1979 2.74 08/12/1980 1.47 09/06/1981 2.81 10/09/1982 2.22 08/23/1983 1.59 06/06/1984 3.84 05/28/1985 2.22 11/06/1986 1.78 08/05/1987 3.49 07/05/1988 2.20 08/18/1989 1.36 06/17/1990 2.14 05/22/1991 2.18 06/15/1992 2.32 07/23/1993 4.68 07/03/1994 2.82 07/14/1995 5.45 05/16/1996 3.11 06/17/1998 3.69 08/11/1999 2.35 06/12/2000 4.32 07/16/2001 2.33 06/08/2002 5.15 09/17/2003 1.95 09/04/2004 2.35 08/17/2005 3.87 09/15/2006 1.47 05/04/2007 2.24 07/28/2008 2.70 06/26/2009 2.77 05/22/2010 3.15 Duration: 4 days 08/12/1949 2.02 09/09/1950 2.80 08/28/1951 4.43 06/30/1952 3.64 07/19/1953 1.57 07/06/1954 2.12 06/01/1955 2.44 08/28/1956 2.73 08/30/1957 5.47 07/01/1958 2.31 10/08/1959 2.13 07/01/1960 2.62 07/10/1961 2.70 09/08/1962 2.70 07/25/1963 1.61 06/08/1964 5.13 09/04/1965 2.08 03/02/1966 2.83 06/06/1967 1.67 06/04/1968 3.89 06/23/1969 3.32 09/05/1970 3.17 09/02/1971 1.81 04/11/1972 2.05 09/21/1973 3.46 04/20/1974 2.56 06/19/1975 2.30 07/06/1976 1.54 07/02/1977 1.78 09/10/1978 3.83 07/02/1979 2.77 08/20/1980 2.22 09/06/1981 2.84 10/06/1982 3.48 09/14/1983 1.72 06/05/1984 3.88 05/28/1985 2.28 11/06/1986 1.81 07/16/1987 3.53 07/04/1988 2.33 08/18/1989 1.41 03/12/1990 2.23 05/22/1991 2.20 06/15/1992 2.34 07/22/1993 4.89 07/05/1994 3.37 07/13/1995 5.57 05/16/1996 3.14 06/16/1998 3.73 08/09/1999 2.38 06/12/2000 4.47 07/18/2001 2.40 06/08/2002 5.20 09/17/2003 1.97 09/03/2004 2.48 08/17/2005 3.91 08/09/2006 1.72 05/04/2007 2.26 07/28/2008 2.73 06/26/2009 2.80 05/22/2010 3.18 Duration: 7 days 08/12/1949 2.39 09/09/1950 2.84 08/25/1951 5.24 06/27/1952 3.97 06/14/1953 2.15 07/02/1954 2.28 05/28/1955 2.82 08/25/1956 3.29 08/29/1957 5.93 06/30/1958 2.90 10/08/1959 2.18 06/27/1960 2.86 07/09/1961 2.80 05/17/1962 2.73 07/05/1963 1.68 06/05/1964 5.62 08/29/1965 2.64 07/21/1966 3.38 06/06/1967 1.86 06/04/1968 4.64 06/23/1969 3.42 09/05/1970 3.20 07/12/1971 2.68 04/11/1972 2.07 09/20/1973 3.84 08/09/1974 3.71 06/28/1975 2.37 08/04/1976 1.99 09/18/1977 2.12 09/10/1978 3.87 06/28/1979 3.45 08/17/1980 2.37 08/31/1981 2.87 10/05/1982 4.33 09/11/1983 1.96 06/04/1984 4.58 05/24/1985 2.56 11/06/1986 1.83 07/16/1987 3.56 07/04/1988 2.35 08/28/1989 1.93 03/12/1990 2.27 04/27/1991 2.97 06/15/1992 2.46 07/22/1993 4.94 07/03/1994 4.37 07/13/1995 6.04 05/16/1996 3.17 06/14/1998 3.77 05/04/1999 2.94 06/12/2000 4.59 07/27/2001 3.62 06/08/2002 5.25 07/09/2003 2.14 05/24/2004 2.62 08/17/2005 3.95 09/16/2006 1.93 05/22/2007 2.46 10/06/2008 3.27 06/21/2009 2.95 05/22/2010 3.24 Duration: 10 days 07/20/1949 2.41 09/09/1950 4.60 08/21/1951 5.29 06/23/1952 4.80 06/15/1953 2.85 08/12/1954 2.70 05/25/1955 4.08 08/25/1956 3.32 08/27/1957 5.99 06/30/1958 3.56 10/08/1959 2.23 06/22/1960 3.60 07/09/1961 2.83 05/22/1962 2.91 07/05/1963 1.70 06/08/1964 5.71 08/29/1965 3.01 07/01/1966 3.79 04/13/1967 2.14 06/04/1968 5.02 08/29/1969 3.66 08/29/1970 3.24 07/12/1971 2.93 04/06/1972 2.09 09/20/1973 3.88 08/10/1974 3.79 06/19/1975 3.40 08/04/1976 2.05 07/02/1977 2.72 09/10/1978 3.91 06/28/1979 3.48 08/12/1980 2.85 08/31/1981 2.90 10/01/1982 4.52 08/18/1983 2.77 06/04/1984 5.13 05/24/1985 2.62 11/06/1986 1.85 07/10/1987 4.27 07/04/1988 3.43 08/26/1989 2.34 03/12/1990 2.29 04/26/1991 3.30 06/15/1992 2.88 07/16/1993 5.72 06/30/1994 4.41 07/08/1995 6.45 05/08/1996 3.20 06/18/1998 4.71 05/05/1999 3.10 06/12/2000 6.94 07/18/2001 4.07 06/09/2002 5.30 07/06/2003 2.24 05/24/2004 2.93 08/11/2005 4.54 09/15/2006 2.24 05/22/2007 2.80 10/05/2008 3.96 06/21/2009 2.98 05/22/2010 3.46 Duration: 20 days 07/27/1949 4.05 09/09/1950 5.05 08/18/1951 5.90 06/30/1952 7.02 06/14/1953 3.72 08/12/1954 2.77 05/15/1955 5.14 08/12/1956 3.72 08/30/1957 6.90 06/30/1958 4.15 05/26/1959 3.50 06/17/1960 3.90 07/10/1961 3.36 05/11/1962 4.48 07/08/1963 2.71 06/05/1964 7.81 08/29/1965 4.46 07/02/1966 5.40 04/13/1967 3.31 06/04/1968 5.93 06/10/1969 4.01 08/21/1970 4.16 07/12/1971 3.98 04/06/1972 2.55 09/20/1973 4.67 08/09/1974 4.63 06/19/1975 4.82 06/24/1976 2.92 06/27/1977 3.76 08/26/1978 5.31 06/19/1979 4.74 08/04/1980 4.41 09/23/1981 4.44 09/27/1982 5.71 06/13/1983 3.80 06/01/1984 5.39 05/12/1985 4.25 07/10/1986 2.89 07/05/1987 5.59 07/04/1988 3.72 08/18/1989 3.79 06/01/1990 3.51 04/14/1991 3.75 06/15/1992 3.99 07/06/1993 7.12 06/19/1994 6.86 06/27/1995 10.07 05/16/1996 3.20 06/23/1997 7.27 06/18/1998 6.48 08/06/1999 3.96 06/09/2000 7.11 07/13/2001 6.54 06/08/2002 5.97 06/07/2003 3.23 05/11/2004 5.28 06/11/2005 5.46 08/05/2006 3.15 05/22/2007 5.07 09/23/2008 4.94 06/08/2009 3.50 09/06/2010 5.14 Duration: 30 days 07/20/1949 5.10 09/09/1950 5.55 08/04/1951 7.90 06/23/1952 9.18 05/28/1953 4.56 06/07/1954 4.15 05/15/1955 5.64 08/02/1956 4.52 08/12/1957 8.83 06/30/1958 4.64 05/26/1959 4.00 06/09/1960 5.16 06/21/1961 3.70 05/09/1962 5.10 07/05/1963 3.46 06/05/1964 8.00 08/31/1965 5.77 07/01/1966 7.19 04/06/1967 3.32 06/04/1968 6.91 05/30/1969 5.61 08/21/1970 4.35 06/19/1971 4.94 03/26/1972 2.96 09/13/1973 5.57 04/20/1974 5.39 06/09/1975 5.48 06/12/1976 4.47 06/14/1977 4.51 08/14/1978 7.32 06/06/1979 4.75 08/03/1980 4.96 09/06/1981 5.72 09/12/1982 6.26 08/18/1983 5.36 06/04/1984 6.67 05/10/1985 4.36 07/01/1986 3.71 07/07/1987 7.92 07/04/1988 4.60 08/18/1989 3.94 06/01/1990 4.06 04/26/1991 5.83 05/21/1992 4.73 06/29/1993 8.29 06/09/1994 9.79 06/22/1995 11.06 06/23/1996 3.70 06/10/1998 6.99 05/05/1999 5.63 06/12/2000 9.03 07/16/2001 9.16 06/08/2002 6.43 06/16/2003 4.71 05/08/2004 5.88 06/01/2005 7.50 08/05/2006 3.25 05/22/2007 6.56 09/13/2008 5.83 05/31/2009 3.57 08/30/2010 6.79 Duration: 45 days 07/02/1949 5.81 08/24/1950 6.05 07/29/1951 9.53 06/11/1952 10.25 06/07/1953 6.30 05/23/1954 5.28 05/23/1955 6.68 05/08/1956 4.97 08/12/1957 10.06 05/30/1958 7.21 06/09/1959 5.48 05/18/1960 6.06 07/09/1961 4.84 05/04/1962 6.41 06/15/1963 4.35 06/08/1964 8.90 08/24/1965 7.20 06/24/1966 9.11 03/19/1967 3.64 06/04/1968 10.53 05/14/1969 6.44 05/07/1970 6.02 06/16/1971 6.25 04/12/1972 3.42 08/30/1973 6.65 04/12/1974 6.90 05/22/1975 6.19 05/26/1976 5.01 08/25/1977 5.75 08/01/1978 7.80 05/21/1979 6.08 08/10/1980 6.49 08/31/1981 7.22 09/12/1982 6.49 08/18/1983 6.73 06/04/1984 7.74 05/12/1985 5.99 07/01/1986 4.89 06/23/1987 9.43 06/12/1988 5.06 07/28/1989 4.26 05/25/1990 5.46 04/13/1991 6.87 05/10/1992 6.41 07/16/1993 10.66 06/09/1994 10.09 06/07/1995 11.76 05/16/1996 4.46 06/10/1998 7.52 07/22/1999 6.43 06/12/2000 9.42 07/02/2001 10.11 06/08/2002 10.09 06/07/2003 6.09 05/03/2004 6.28 05/17/2005 9.52 08/09/2006 5.46 05/04/2007 8.81 09/01/2008 8.35 05/15/2009 4.41 08/10/2010 9.25 Duration: 60 days 06/20/1949 7.77 04/29/1950 7.16 07/29/1951 10.17 05/26/1952 11.07 05/24/1953 7.67 07/02/1954 5.84 05/15/1955 8.82 05/09/1956 6.59 08/12/1957 11.40 05/30/1958 7.79 05/20/1959 6.89 06/09/1960 6.99 08/17/1961 5.79 05/09/1962 7.39 06/07/1963 5.48 06/05/1964 10.14 08/24/1965 8.19 06/24/1966 10.88 04/13/1967 4.98 06/04/1968 11.37 05/08/1969 6.81 07/13/1970 6.54 07/12/1971 8.26 07/15/1972 4.13 08/20/1973 7.81 04/11/1974 8.13 06/04/1975 6.45 06/12/1976 6.74 05/15/1977 6.65 07/17/1978 8.80 05/05/1979 6.41 07/17/1980 7.36 08/23/1981 8.59 08/16/1982 7.28 08/18/1983 8.13 06/04/1984 8.50 05/12/1985 6.50 06/20/1986 5.47 06/17/1987 9.98 06/12/1988 6.07 07/28/1989 4.37 04/22/1990 6.38 05/22/1991 8.28 05/10/1992 7.64 05/27/1993 12.50 05/22/1994 11.21 06/26/1995 13.50 05/31/1996 5.10 05/09/1998 9.14 05/04/1999 8.51 05/20/2000 9.58 06/16/2001 10.85 06/08/2002 10.66 05/16/2003 8.44 05/11/2004 7.21 05/07/2005 11.53 07/25/2006 6.06 04/30/2007 9.35 07/28/2008 9.64 06/23/2009 6.83 07/26/2010 9.88