Precipitation annual maximum series (inches) Station ID: 32-9430 Station name: WILLISTON EXP FARM State: ND Latitude (decimal degrees): 48.1375 Longitude (decimal degrees): -103.7372 Elevation (feet): 2105 Duration: 1 day 08/19/1913 2.72 06/04/1914 2.10 11/08/1915 1.30 06/23/1916 1.15 06/25/1917 0.74 04/17/1918 1.52 06/12/1919 2.08 06/24/1920 2.30 06/18/1921 1.70 06/23/1922 1.60 06/01/1923 1.64 06/19/1924 3.03 06/01/1925 2.47 07/03/1926 1.76 08/27/1927 1.51 07/27/1940 0.89 05/30/1941 1.03 06/15/1942 2.04 06/03/1943 1.09 06/26/1944 1.98 06/23/1945 0.83 07/17/1946 1.62 06/21/1947 1.61 07/17/1957 0.85 10/21/1958 1.06 08/25/1960 2.23 02/22/1961 0.65 07/06/1962 1.95 07/10/1963 1.98 06/08/1964 1.72 05/25/1965 2.50 08/21/1966 1.53 04/20/1967 1.52 06/10/1968 1.69 06/25/1969 1.20 09/09/1970 1.34 10/02/1971 2.14 08/14/1972 1.79 09/03/1973 1.42 05/13/1974 1.28 06/09/1975 1.60 06/23/1976 1.69 05/18/1977 1.11 05/31/1978 1.50 04/12/1979 0.68 08/16/1980 1.36 06/01/1981 2.05 09/27/1982 1.70 05/12/1983 1.67 09/12/1984 0.88 10/07/1985 0.98 07/17/1986 2.08 07/18/1987 1.58 06/30/1988 1.98 10/27/1989 1.82 05/25/1990 1.28 09/15/1991 1.51 04/18/1992 1.19 07/03/1993 3.80 06/08/1994 2.81 07/04/1995 1.72 07/20/1996 1.44 07/01/1997 2.95 07/05/1998 1.08 07/22/1999 0.84 06/13/2001 1.44 07/09/2002 1.44 06/10/2004 1.31 06/07/2005 1.26 04/18/2006 1.35 05/31/2007 1.29 11/05/2008 1.15 08/24/2009 1.66 07/30/2010 1.41 Duration: 2 days 08/18/1913 2.93 06/04/1914 2.44 11/07/1915 1.69 06/22/1916 1.83 06/25/1917 0.80 08/16/1918 2.08 06/12/1919 2.24 06/24/1920 2.48 06/18/1921 2.04 06/23/1922 1.86 06/01/1923 1.86 06/18/1924 3.26 06/01/1925 2.95 07/03/1926 1.90 05/08/1927 2.16 06/01/1940 0.99 05/30/1941 1.22 06/15/1942 2.83 06/02/1943 1.88 06/26/1944 3.89 05/31/1945 0.89 07/16/1946 2.17 06/21/1947 2.26 05/20/1957 0.96 10/21/1958 1.14 08/25/1960 2.40 02/22/1961 0.78 07/06/1962 2.10 07/10/1963 2.61 06/08/1964 1.85 05/24/1965 3.54 08/20/1966 1.65 04/20/1967 1.78 06/09/1968 2.10 06/25/1969 2.37 09/08/1970 1.59 10/01/1971 2.47 08/14/1972 1.93 09/03/1973 2.08 05/13/1974 1.47 06/08/1975 2.47 06/23/1976 1.82 05/18/1977 1.68 07/04/1978 2.70 04/11/1979 1.01 08/15/1980 1.46 06/01/1981 2.61 09/27/1982 2.37 05/12/1983 1.80 06/21/1984 0.95 10/07/1985 1.54 07/16/1986 2.78 07/18/1987 1.70 06/30/1988 2.13 10/27/1989 1.96 05/25/1990 1.38 06/25/1991 1.71 04/18/1992 1.55 07/03/1993 4.09 06/07/1994 3.16 07/03/1995 2.56 07/20/1996 1.55 07/01/1997 5.42 10/04/1998 1.86 05/10/1999 1.26 06/13/2001 1.79 06/02/2002 1.61 06/10/2004 1.41 06/07/2005 1.54 04/18/2006 2.19 05/30/2007 1.39 11/05/2008 1.24 08/24/2009 1.79 05/24/2010 1.70 Duration: 3 days 08/17/1913 3.10 06/25/1914 2.67 11/07/1915 1.71 06/21/1916 1.93 06/25/1917 0.80 08/16/1918 2.10 06/12/1919 2.26 06/24/1920 2.50 06/18/1921 2.70 06/23/1922 1.88 06/01/1923 2.33 06/18/1924 3.29 06/01/1925 2.98 07/01/1926 1.91 05/08/1927 2.35 05/05/1940 1.39 05/30/1941 1.46 06/15/1942 2.86 06/01/1943 1.91 06/26/1944 3.93 11/05/1945 1.02 07/15/1946 2.29 06/20/1947 2.76 07/15/1957 1.67 10/21/1958 1.15 08/23/1960 2.42 09/10/1961 1.00 07/06/1962 2.12 07/10/1963 2.64 06/08/1964 1.87 05/23/1965 3.87 08/19/1966 1.66 04/20/1967 1.80 06/09/1968 2.12 06/25/1969 2.69 05/09/1970 1.78 10/01/1971 2.57 08/14/1972 1.95 09/01/1973 2.73 05/13/1974 1.50 06/07/1975 2.57 04/15/1976 1.84 05/17/1977 1.94 07/04/1978 2.73 04/11/1979 1.27 08/15/1980 1.48 06/01/1981 2.64 09/27/1982 2.39 05/12/1983 1.82 06/21/1984 0.96 10/07/1985 1.55 07/15/1986 2.94 07/17/1987 1.72 06/30/1988 2.15 10/27/1989 1.98 05/25/1990 1.39 06/24/1991 2.17 04/18/1992 1.60 07/03/1993 4.90 06/07/1994 3.38 07/02/1995 2.64 07/18/1996 2.41 06/30/1997 5.77 10/04/1998 2.08 05/09/1999 1.62 06/11/2001 1.99 06/02/2002 1.66 05/19/2004 1.51 06/07/2005 1.55 04/18/2006 2.26 05/30/2007 1.40 06/09/2008 1.25 08/24/2009 1.81 07/30/2010 2.47 Duration: 4 days 08/17/1913 3.13 08/22/1914 2.77 11/07/1915 1.83 06/22/1916 2.13 06/22/1917 1.39 08/16/1918 2.12 06/12/1919 2.28 06/24/1920 2.53 06/15/1921 3.04 06/20/1922 3.13 05/31/1923 2.44 06/16/1924 3.33 05/30/1925 3.11 07/01/1926 1.93 05/07/1927 2.37 05/04/1940 1.68 05/30/1941 1.47 06/15/1942 2.89 06/01/1943 1.93 06/26/1944 3.97 11/05/1945 1.03 07/15/1946 2.31 06/20/1947 2.97 07/15/1957 1.69 06/01/1958 1.21 08/23/1960 2.45 09/10/1961 1.18 07/03/1962 2.23 07/10/1963 2.66 06/08/1964 2.12 05/23/1965 4.17 07/01/1966 1.72 04/20/1967 1.81 08/15/1968 2.18 06/25/1969 2.80 06/10/1970 1.99 10/01/1971 2.60 05/25/1972 1.97 09/01/1973 3.39 05/19/1974 1.76 06/06/1975 2.79 04/15/1976 1.86 05/16/1977 2.32 07/04/1978 2.75 04/11/1979 1.28 08/15/1980 1.49 06/01/1981 3.01 09/27/1982 2.42 05/12/1983 1.83 06/21/1984 0.97 10/07/1985 1.57 07/15/1986 2.97 07/18/1987 2.15 06/30/1988 2.17 10/27/1989 2.00 05/25/1990 1.45 06/23/1991 2.50 04/17/1992 1.62 07/03/1993 5.30 06/05/1994 3.93 07/02/1995 2.67 07/18/1996 2.43 06/30/1997 5.83 02/25/1998 2.26 05/09/1999 1.65 06/11/2001 2.34 06/02/2002 1.68 05/19/2004 1.52 06/26/2005 1.75 04/17/2006 2.28 05/28/2007 1.42 06/09/2008 1.37 08/24/2009 1.82 07/30/2010 2.50 Duration: 7 days 08/13/1913 3.27 06/21/1914 3.02 11/07/1915 1.85 06/22/1916 2.35 06/19/1917 1.42 08/16/1918 3.30 06/08/1919 2.31 06/20/1920 2.60 06/14/1921 4.07 06/20/1922 3.50 05/29/1923 2.49 06/14/1924 3.36 05/27/1925 3.42 07/03/1926 1.95 05/03/1927 2.44 05/04/1940 1.70 05/30/1941 1.85 06/15/1942 3.01 06/01/1943 2.55 06/26/1944 5.08 06/23/1945 1.86 07/15/1946 2.34 06/17/1947 3.08 06/12/1957 1.70 06/01/1958 1.36 08/21/1960 2.47 09/08/1961 1.39 07/02/1962 2.43 07/06/1963 2.89 06/08/1964 2.52 05/23/1965 4.21 05/11/1966 1.79 04/16/1967 1.94 06/05/1968 2.61 06/25/1969 3.16 06/10/1970 2.21 10/01/1971 2.62 05/22/1972 2.36 09/01/1973 3.42 05/13/1974 1.96 06/04/1975 2.93 04/15/1976 1.87 05/14/1977 2.74 07/01/1978 3.28 04/11/1979 1.35 10/16/1980 1.81 05/29/1981 3.08 09/27/1982 2.56 05/12/1983 1.85 09/08/1984 1.08 10/03/1985 1.79 07/11/1986 3.45 07/17/1987 2.30 06/30/1988 2.20 10/27/1989 2.02 05/25/1990 1.46 06/24/1991 4.20 04/18/1992 1.71 06/29/1993 5.50 06/04/1994 4.56 06/29/1995 2.69 07/14/1996 2.46 06/30/1997 6.08 02/25/1998 2.29 05/09/1999 1.98 06/11/2001 2.40 06/09/2002 1.85 05/19/2004 2.40 06/02/2005 1.82 04/17/2006 2.38 05/20/2007 1.83 06/08/2008 1.64 07/03/2009 1.99 05/24/2010 2.92 Duration: 10 days 08/10/1913 4.48 06/21/1914 3.30 05/27/1915 1.87 06/21/1916 3.68 06/20/1917 1.43 08/16/1918 3.33 06/08/1919 2.33 06/16/1920 2.70 06/12/1921 4.27 06/19/1922 3.54 06/01/1923 3.59 06/19/1924 5.53 05/27/1925 3.51 07/01/1926 1.97 05/02/1927 2.82 05/04/1940 2.18 05/30/1941 2.63 06/10/1942 3.05 06/11/1943 2.73 06/26/1944 5.25 06/23/1945 1.92 07/08/1946 3.32 08/04/1947 4.19 06/09/1957 2.03 06/01/1958 1.50 08/16/1960 2.77 09/02/1961 1.45 07/06/1962 2.72 07/06/1963 2.92 06/08/1964 3.69 05/23/1965 5.44 05/11/1966 1.85 04/20/1967 2.03 08/15/1968 4.21 06/25/1969 3.47 06/10/1970 2.33 07/03/1971 2.79 05/19/1972 2.63 08/26/1973 3.58 05/13/1974 3.37 06/06/1975 3.27 04/15/1976 2.54 05/14/1977 2.77 06/26/1978 3.85 04/11/1979 1.40 09/12/1980 1.97 06/01/1981 3.24 09/27/1982 2.97 05/09/1983 1.87 06/14/1984 1.46 10/07/1985 1.86 07/09/1986 3.75 07/17/1987 2.32 06/30/1988 2.22 10/27/1989 2.04 05/25/1990 1.57 06/23/1991 5.47 04/10/1992 1.79 06/29/1993 5.90 06/02/1994 4.71 06/29/1995 2.72 07/18/1996 2.55 06/30/1997 6.16 10/04/1998 2.70 05/03/1999 2.23 06/05/2001 3.10 06/02/2002 3.09 05/19/2004 2.53 06/21/2005 2.62 04/17/2006 2.40 05/22/2007 2.48 06/06/2008 1.66 08/15/2009 2.39 05/21/2010 3.52 Duration: 20 days 08/07/1913 4.94 06/22/1914 4.78 05/16/1915 2.40 06/14/1916 3.91 06/06/1917 1.98 08/06/1918 3.65 06/12/1919 2.72 06/24/1920 3.13 06/15/1921 6.25 06/20/1922 5.30 05/29/1923 3.77 06/19/1924 6.70 05/30/1925 5.19 06/14/1926 3.22 05/08/1927 3.65 04/24/1940 2.63 05/30/1941 3.58 06/15/1942 4.92 06/01/1943 5.37 06/16/1944 7.21 06/16/1945 2.75 06/29/1946 5.22 08/04/1947 4.80 06/03/1957 2.52 05/30/1958 2.11 08/08/1960 2.83 09/02/1961 2.39 07/02/1962 4.06 07/06/1963 4.20 06/06/1964 4.56 05/23/1965 6.03 06/15/1966 2.32 04/13/1967 2.29 08/07/1968 4.25 06/25/1969 5.29 04/28/1970 3.19 06/23/1971 4.66 05/10/1972 3.52 08/24/1973 3.71 05/10/1974 3.68 06/07/1975 4.27 06/05/1976 3.03 05/14/1977 3.57 06/19/1978 4.68 04/11/1979 1.88 08/01/1980 2.49 06/01/1981 4.64 09/27/1982 3.48 07/09/1983 2.02 06/05/1984 2.31 09/19/1985 2.48 06/28/1986 5.16 07/06/1987 3.01 06/14/1988 3.02 05/24/1989 2.26 05/07/1990 2.04 06/13/1991 7.16 06/14/1992 2.88 07/03/1993 7.16 05/20/1994 6.10 07/02/1995 3.60 07/03/1996 3.41 06/30/1997 8.00 06/17/1998 3.66 05/03/1999 2.79 06/11/2001 4.16 05/28/2002 3.69 05/11/2004 3.18 06/07/2005 3.17 04/17/2006 3.02 05/14/2007 4.07 05/24/2008 2.20 08/06/2009 2.89 05/21/2010 4.47 Duration: 30 days 08/07/1913 5.33 06/04/1914 6.68 05/13/1915 3.24 06/05/1916 4.73 05/31/1917 2.43 07/24/1918 4.66 06/12/1919 3.94 05/26/1920 4.16 06/14/1921 7.19 06/10/1922 5.50 05/29/1923 6.05 06/09/1924 7.03 05/26/1925 5.76 06/10/1926 3.76 05/02/1927 4.69 06/17/1928 7.89 05/04/1940 3.53 05/30/1941 4.86 06/04/1942 5.83 06/02/1943 5.68 06/03/1944 9.02 05/31/1945 3.36 06/23/1946 6.04 07/26/1947 5.33 05/20/1957 3.44 06/01/1958 2.43 05/24/1960 3.74 08/27/1961 2.49 06/20/1962 4.44 06/28/1963 4.63 06/08/1964 6.51 05/05/1965 8.36 06/24/1966 3.13 03/31/1967 2.43 08/15/1968 4.74 06/19/1969 5.74 04/14/1970 4.39 06/14/1971 5.43 04/30/1972 4.63 08/24/1973 3.88 05/13/1974 4.27 06/02/1975 5.33 05/26/1976 4.17 05/14/1977 4.38 05/04/1978 5.99 04/11/1979 2.45 08/15/1980 3.50 06/01/1981 5.99 05/10/1982 4.78 06/21/1983 2.82 06/05/1984 2.31 09/09/1985 3.14 06/21/1986 5.90 06/19/1987 3.38 06/14/1988 3.20 05/24/1989 2.36 04/30/1990 2.37 06/08/1991 7.91 06/14/1992 3.66 06/07/1993 9.26 05/16/1994 7.33 07/02/1995 5.23 06/21/1996 4.65 06/20/1997 8.36 06/09/1998 4.22 05/03/1999 3.07 05/30/2001 5.32 05/28/2002 4.00 05/19/2004 4.41 05/31/2005 4.86 03/30/2006 3.57 05/04/2007 4.95 09/13/2008 2.44 07/29/2009 3.28 05/21/2010 5.22 Duration: 45 days 07/08/1913 6.18 06/04/1914 8.35 09/25/1915 3.98 05/17/1916 6.06 05/31/1917 2.67 07/22/1918 5.43 04/30/1919 4.55 05/31/1920 4.61 05/20/1921 8.17 06/19/1922 7.03 05/31/1923 6.91 06/19/1924 8.76 05/23/1925 6.54 06/10/1926 4.22 05/07/1927 6.71 06/05/1928 10.10 04/27/1940 4.53 05/14/1941 5.90 05/20/1942 6.67 05/30/1943 6.70 05/19/1944 9.56 05/31/1945 4.07 06/04/1946 6.87 05/11/1947 6.10 06/03/1957 4.57 05/30/1958 3.56 05/17/1960 4.21 07/28/1961 2.93 06/06/1962 5.78 05/28/1963 6.36 06/06/1964 7.12 05/05/1965 9.17 06/12/1966 3.66 04/05/1967 2.74 08/15/1968 5.16 06/23/1969 6.17 05/09/1970 5.29 05/30/1971 7.66 04/30/1972 5.63 07/22/1973 4.98 04/27/1974 4.79 04/26/1975 6.08 05/12/1976 4.84 05/14/1977 5.74 05/23/1978 9.13 04/11/1979 3.26 08/09/1980 4.89 06/01/1981 6.30 05/15/1982 5.76 06/19/1983 3.18 05/17/1984 2.77 07/17/1985 3.96 06/06/1986 6.96 06/17/1987 4.34 05/26/1988 3.46 05/24/1989 2.67 05/25/1990 3.29 05/22/1991 9.04 05/29/1992 4.32 06/08/1993 11.02 05/16/1994 8.03 06/20/1995 6.00 06/21/1996 5.56 06/15/1997 8.74 06/01/1998 4.68 05/03/1999 4.41 06/11/2001 7.13 05/28/2002 5.62 04/30/2004 4.80 05/17/2005 6.24 03/19/2006 4.17 05/14/2007 6.69 09/01/2008 3.59 06/06/2009 3.87 04/25/2010 5.96 Duration: 60 days 06/27/1913 8.86 06/04/1914 9.36 09/12/1915 4.89 05/21/1916 6.89 05/31/1917 2.74 07/07/1918 6.20 05/04/1919 5.42 04/28/1920 5.67 05/19/1921 9.25 05/11/1922 8.28 05/19/1923 7.30 06/04/1924 9.76 05/15/1925 6.80 05/07/1926 5.00 04/28/1927 7.51 05/29/1928 10.70 04/24/1940 5.34 05/13/1941 6.62 05/11/1942 7.64 04/23/1943 7.76 06/03/1944 10.72 05/24/1945 4.40 05/19/1946 7.77 06/20/1947 8.72 05/20/1957 5.56 05/30/1958 3.89 04/25/1960 4.86 07/26/1961 3.98 05/09/1962 7.99 05/28/1963 7.67 05/14/1964 7.28 04/10/1965 9.88 06/24/1966 5.11 04/16/1967 3.34 07/08/1968 5.56 06/06/1969 6.46 04/15/1970 7.23 05/14/1971 9.36 04/11/1972 6.97 07/17/1973 5.01 04/26/1974 5.27 04/28/1975 7.34 04/15/1976 5.63 05/14/1977 6.76 05/07/1978 10.45 03/27/1979 3.68 08/01/1980 5.35 06/01/1981 8.34 05/08/1982 6.84 05/12/1983 3.81 04/26/1984 3.70 08/16/1985 4.97 05/22/1986 8.09 05/27/1987 4.84 05/02/1988 4.19 04/23/1989 3.44 05/04/1990 3.94 05/12/1991 10.59 06/28/1992 4.88 06/29/1993 13.78 04/20/1994 8.99 06/29/1995 7.60 06/05/1996 6.63 06/30/1997 10.33 06/05/1998 5.78 05/10/1999 5.12 06/04/2001 8.44 06/02/2002 6.20 05/15/2004 6.77 05/07/2005 7.51 04/17/2006 5.43 05/05/2007 8.06 08/14/2008 4.23 06/26/2009 6.01 04/24/2010 7.17