Precipitation annual maximum series (inches) Station ID: 32-7311 Station name: PRETTY ROCK State: ND Latitude (decimal degrees): 46.1758 Longitude (decimal degrees): -101.8561 Elevation (feet): 2480 Duration: 1 day 08/14/1949 2.20 06/08/1950 1.69 09/01/1951 1.51 08/30/1952 2.10 07/25/1953 1.72 07/30/1954 1.27 08/06/1955 1.62 06/30/1956 1.24 06/22/1957 1.70 07/03/1958 1.05 09/25/1959 0.78 08/17/1960 1.93 06/13/1961 1.63 05/29/1962 2.01 06/23/1963 1.27 06/09/1964 4.67 05/05/1965 2.75 07/13/1966 2.50 05/01/1967 1.35 08/23/1968 2.06 06/25/1969 1.85 05/08/1970 4.40 04/20/1971 1.85 08/17/1972 2.30 05/26/1973 1.83 04/20/1974 1.53 08/23/1975 1.47 04/17/1976 1.45 09/24/1977 1.70 07/19/1978 1.50 07/13/1979 2.65 10/16/1980 1.55 08/03/1981 1.86 05/15/1982 1.72 05/12/1983 1.35 08/03/1984 2.29 05/11/1985 1.61 05/22/1986 1.37 07/18/1987 2.02 06/30/1988 1.66 08/25/1989 1.10 05/25/1990 1.20 05/31/1991 1.08 06/16/1992 2.93 06/29/1993 1.90 09/15/1994 3.17 05/08/1995 1.22 09/18/1996 1.25 04/05/1997 1.65 10/05/1998 1.45 08/12/1999 4.05 11/01/2000 3.25 07/27/2001 0.90 08/09/2002 0.75 05/22/2004 1.43 05/08/2005 1.50 09/22/2006 1.51 06/07/2007 3.65 09/23/2008 1.18 07/13/2009 1.73 06/26/2010 2.25 Duration: 2 days 08/14/1949 2.37 06/07/1950 1.82 10/03/1951 2.07 06/27/1952 2.72 07/25/1953 2.09 08/26/1954 1.47 05/27/1955 1.79 07/27/1956 1.36 06/21/1957 1.83 07/02/1958 1.40 09/25/1959 0.84 08/16/1960 2.08 06/13/1961 1.76 05/21/1962 2.27 06/22/1963 1.43 06/08/1964 5.42 05/05/1965 2.96 07/13/1966 2.69 04/30/1967 1.80 08/23/1968 2.39 06/24/1969 2.20 05/08/1970 4.74 04/20/1971 2.75 08/17/1972 2.48 05/26/1973 1.99 04/20/1974 1.65 05/08/1975 1.68 06/23/1976 1.72 09/23/1977 2.49 07/19/1978 1.62 07/12/1979 3.60 10/15/1980 2.30 08/02/1981 2.76 05/14/1982 2.30 05/11/1983 2.01 08/02/1984 2.65 05/11/1985 1.85 05/22/1986 2.50 07/17/1987 2.18 06/29/1988 1.79 04/27/1989 1.62 05/25/1990 1.29 05/30/1991 1.19 06/15/1992 3.43 07/25/1993 3.58 09/15/1994 3.41 05/08/1995 1.83 09/18/1996 1.85 04/05/1997 2.05 10/04/1998 2.30 08/11/1999 4.39 10/31/2000 3.66 07/27/2001 0.97 08/08/2002 0.81 05/21/2004 1.54 05/08/2005 1.95 09/22/2006 1.82 06/07/2007 3.93 09/22/2008 1.36 07/13/2009 2.00 06/26/2010 2.42 Duration: 3 days 08/12/1949 2.43 06/07/1950 1.84 08/30/1951 2.44 06/26/1952 2.78 07/25/1953 2.11 05/26/1954 1.54 05/26/1955 2.06 06/30/1956 1.44 06/22/1957 2.10 07/02/1958 1.41 08/16/1960 2.10 09/10/1961 1.83 05/21/1962 2.42 06/23/1963 2.37 06/07/1964 5.47 05/05/1965 2.99 03/02/1966 2.72 04/29/1967 2.03 08/23/1968 2.41 06/24/1969 2.52 05/08/1970 4.78 04/19/1971 2.78 08/17/1972 2.61 05/26/1973 2.01 04/20/1974 1.66 05/07/1975 2.13 06/23/1976 1.74 09/22/1977 2.71 07/19/1978 1.80 07/11/1979 5.30 10/15/1980 2.58 08/02/1981 2.79 10/08/1982 2.67 05/11/1983 2.03 08/02/1984 2.68 05/11/1985 1.87 05/22/1986 2.83 07/18/1987 2.20 06/28/1988 2.53 04/26/1989 2.47 05/25/1990 1.43 04/11/1991 1.62 06/14/1992 3.74 07/25/1993 4.20 09/15/1994 3.45 05/07/1995 2.05 09/18/1996 2.81 04/04/1997 2.10 10/04/1998 2.36 08/11/1999 4.43 10/31/2000 3.96 07/25/2001 1.68 05/22/2004 1.60 05/08/2005 1.97 09/22/2006 1.84 06/07/2007 3.97 10/10/2008 1.65 07/13/2009 2.02 06/25/2010 2.45 Duration: 4 days 08/11/1949 3.04 03/25/1950 1.88 08/30/1951 2.60 08/27/1952 3.17 07/25/1953 2.13 05/26/1954 1.58 05/25/1955 2.31 06/30/1956 2.31 06/21/1957 2.22 07/02/1958 1.48 05/25/1960 2.12 09/09/1961 1.87 05/21/1962 2.44 06/22/1963 2.53 06/08/1964 5.99 05/02/1965 3.07 03/02/1966 2.75 04/13/1967 2.29 08/23/1968 2.44 06/24/1969 2.83 05/08/1970 5.12 04/18/1971 3.24 08/17/1972 2.64 05/24/1973 2.14 04/20/1974 1.68 05/07/1975 2.29 04/14/1976 2.17 06/10/1977 3.23 07/17/1978 1.82 07/11/1979 5.35 10/15/1980 2.61 08/02/1981 3.14 10/08/1982 2.80 05/11/1983 2.05 08/02/1984 2.70 05/11/1985 1.89 05/22/1986 2.86 07/17/1987 2.22 06/28/1988 2.55 04/26/1989 2.52 05/25/1990 1.44 04/11/1991 1.64 06/14/1992 3.96 07/24/1993 4.48 09/12/1994 3.48 05/06/1995 2.63 09/17/1996 3.01 06/29/1997 2.15 10/03/1998 2.40 08/11/1999 4.48 10/31/2000 4.00 07/25/2001 1.71 07/05/2004 1.70 05/08/2005 1.99 09/22/2006 1.86 06/07/2007 4.01 10/10/2008 1.67 07/13/2009 2.04 06/25/2010 2.47 Duration: 7 days 08/14/1949 3.56 03/23/1950 2.20 08/28/1951 3.61 06/26/1952 3.99 06/14/1953 2.44 05/27/1954 2.29 05/27/1955 3.25 06/30/1956 2.81 06/16/1957 3.15 06/03/1958 1.59 09/21/1959 1.06 05/25/1960 2.57 09/09/1961 1.90 05/17/1962 4.11 06/19/1963 2.71 06/08/1964 6.10 05/05/1965 3.70 03/02/1966 2.77 09/12/1967 2.31 08/23/1968 2.46 06/24/1969 3.00 05/08/1970 5.54 04/17/1971 3.27 08/17/1972 3.42 05/24/1973 2.21 04/14/1974 1.70 05/07/1975 2.66 04/14/1976 2.36 06/09/1977 4.19 05/07/1978 2.57 07/11/1979 5.41 10/15/1980 2.63 08/02/1981 3.24 05/14/1982 3.99 05/06/1983 3.19 06/14/1984 3.49 05/11/1985 1.90 05/22/1986 2.89 07/17/1987 2.24 06/28/1988 2.58 04/26/1989 2.73 05/25/1990 1.46 10/23/1991 1.67 06/14/1992 4.09 07/21/1993 5.70 09/15/1994 3.52 05/03/1995 2.68 09/17/1996 3.07 06/29/1997 2.20 08/14/1998 2.60 08/07/1999 4.63 10/29/2000 4.16 07/21/2001 2.25 07/23/2002 1.14 07/02/2004 2.08 05/08/2005 3.24 09/17/2006 2.32 06/01/2007 4.05 06/05/2008 2.19 03/24/2009 2.74 06/22/2010 2.72 Duration: 10 days 08/11/1949 4.40 03/23/1950 2.54 08/25/1951 4.22 06/24/1952 4.28 05/20/1953 3.53 05/26/1954 2.71 05/24/1955 3.87 06/30/1956 2.91 06/16/1957 3.55 07/02/1958 1.96 09/18/1959 1.57 05/24/1960 2.72 09/10/1961 2.11 05/13/1962 5.15 06/18/1963 2.74 06/09/1964 7.19 05/05/1965 4.13 08/12/1966 2.80 09/10/1967 2.59 08/15/1968 3.00 06/25/1969 3.25 05/08/1970 5.60 04/18/1971 3.57 04/26/1972 3.58 05/26/1973 2.94 04/11/1974 2.45 05/08/1975 2.74 06/15/1976 3.37 06/09/1977 4.82 06/24/1978 2.64 07/09/1979 5.46 10/15/1980 2.66 07/31/1981 3.27 05/12/1982 4.66 05/06/1983 3.22 06/10/1984 3.91 05/26/1985 1.92 09/19/1986 3.11 07/09/1987 3.39 06/21/1988 2.61 04/26/1989 2.76 05/25/1990 1.83 05/22/1991 1.83 06/14/1992 4.13 07/18/1993 5.84 09/12/1994 3.55 05/06/1995 3.18 09/17/1996 3.10 06/24/1997 2.45 08/14/1998 3.37 08/03/1999 4.85 10/29/2000 4.36 07/19/2001 3.01 07/23/2002 1.42 07/01/2004 2.22 05/08/2005 3.28 09/17/2006 2.34 05/29/2007 5.54 06/03/2008 2.49 03/23/2009 2.97 06/17/2010 3.91 Duration: 20 days 08/11/1949 4.41 03/23/1950 3.52 06/01/1951 5.00 06/24/1952 4.74 05/17/1953 4.27 05/23/1954 4.60 05/16/1955 4.69 06/30/1956 3.40 06/06/1957 4.65 06/30/1958 2.85 09/18/1959 1.78 08/05/1960 3.51 09/05/1961 2.90 05/11/1962 7.62 06/21/1963 3.24 06/06/1964 9.03 05/05/1965 5.07 06/24/1966 4.32 04/13/1967 4.55 06/05/1968 3.67 06/24/1969 5.06 05/08/1970 6.04 04/17/1971 3.73 04/22/1972 4.78 05/24/1973 3.12 04/11/1974 2.95 04/28/1975 4.92 06/05/1976 4.52 05/30/1977 6.15 07/02/1978 3.75 07/11/1979 6.48 05/28/1980 3.48 07/31/1981 3.96 05/10/1982 5.88 05/01/1983 3.31 06/03/1984 6.22 05/11/1985 3.40 05/05/1986 5.10 07/09/1987 3.96 06/12/1988 3.24 04/16/1989 2.98 05/15/1990 2.33 04/11/1991 2.33 06/14/1992 5.05 07/10/1993 8.88 09/30/1994 4.51 05/01/1995 3.63 09/06/1996 3.64 06/29/1997 4.35 06/08/1998 3.76 08/03/1999 4.85 10/29/2000 4.44 07/11/2001 3.82 07/21/2002 2.33 06/24/2004 2.69 05/08/2005 4.88 09/17/2006 2.71 05/19/2007 7.59 05/24/2008 3.57 06/06/2009 3.48 06/08/2010 4.21 Duration: 30 days 07/26/1949 5.77 03/11/1950 4.19 05/28/1951 6.73 06/22/1952 5.54 05/17/1953 6.17 05/23/1954 5.69 05/16/1955 5.31 06/30/1956 4.85 06/06/1957 5.61 06/04/1958 3.68 08/31/1959 2.23 05/24/1960 4.47 08/26/1961 3.29 05/14/1962 8.32 05/27/1963 4.41 06/07/1964 9.74 05/05/1965 6.58 06/15/1966 5.34 04/13/1967 5.68 06/05/1968 4.22 06/24/1969 6.39 04/12/1970 7.35 04/17/1971 4.21 04/27/1972 7.83 05/24/1973 4.93 04/11/1974 3.07 04/26/1975 6.08 06/05/1976 5.11 05/19/1977 7.05 06/22/1978 5.46 06/19/1979 8.22 05/28/1980 4.05 07/12/1981 5.93 05/13/1982 7.44 06/20/1983 3.67 06/03/1984 6.26 05/11/1985 3.87 04/25/1986 6.40 06/20/1987 4.68 06/01/1988 3.30 04/02/1989 3.68 05/25/1990 3.39 05/30/1991 2.92 06/14/1992 6.85 06/29/1993 11.18 09/15/1994 5.70 04/15/1995 4.39 08/29/1996 3.66 06/19/1997 5.05 06/08/1998 4.38 08/07/1999 5.46 05/27/2000 4.97 06/29/2001 4.42 07/20/2002 2.43 05/17/2004 3.40 05/08/2005 5.67 09/17/2006 2.83 05/23/2007 8.32 06/03/2008 3.82 06/16/2009 4.63 05/31/2010 4.61 Duration: 45 days 07/10/1949 7.20 03/25/1950 5.09 05/28/1951 7.93 06/25/1952 6.09 05/09/1953 7.62 05/22/1954 6.51 05/26/1955 7.93 06/30/1956 6.56 05/20/1957 8.20 05/31/1958 5.01 05/26/1959 2.62 05/25/1960 5.96 09/02/1961 3.84 05/11/1962 10.63 06/02/1963 5.47 06/01/1964 10.18 05/02/1965 8.14 06/01/1966 7.40 04/05/1967 5.88 07/23/1968 5.00 06/24/1969 7.76 05/08/1970 10.85 04/17/1971 5.41 04/30/1972 9.43 05/24/1973 5.66 04/20/1974 4.56 04/07/1975 7.46 06/05/1976 5.96 05/26/1977 8.73 06/07/1978 6.48 06/19/1979 9.41 05/28/1980 4.05 07/08/1981 6.69 05/10/1982 9.26 06/20/1983 5.57 05/21/1984 6.33 05/11/1985 5.22 04/11/1986 7.99 06/20/1987 5.93 06/28/1988 3.56 03/17/1989 4.10 05/25/1990 4.50 05/28/1991 4.07 06/14/1992 7.03 06/15/1993 11.61 09/11/1994 8.08 05/01/1995 5.21 08/09/1996 4.23 06/11/1997 5.74 05/30/1998 5.78 06/30/1999 5.78 06/04/2000 6.43 06/13/2001 6.66 07/04/2002 2.73 05/22/2004 4.45 05/08/2005 8.60 08/10/2006 4.07 04/26/2007 9.57 05/24/2008 5.25 06/01/2009 6.28 05/13/2010 6.73 Duration: 60 days 07/10/1949 7.61 06/08/1950 6.74 08/07/1951 9.36 06/22/1952 6.88 04/24/1953 9.65 07/18/1954 7.08 05/16/1955 9.05 06/30/1956 7.94 05/19/1957 8.82 05/31/1958 5.99 05/10/1959 3.37 05/24/1960 6.41 07/26/1961 4.73 05/13/1962 12.86 06/02/1963 6.76 04/26/1964 13.39 04/09/1965 9.64 06/01/1966 7.92 04/14/1967 7.61 07/23/1968 5.94 06/06/1969 8.95 04/18/1970 11.97 04/20/1971 6.16 04/26/1972 9.97 05/26/1973 6.51 04/11/1974 5.69 04/21/1975 9.18 05/15/1976 6.70 05/16/1977 9.85 05/07/1978 7.95 06/06/1979 9.91 05/28/1980 5.14 06/07/1981 8.37 05/10/1982 9.80 05/06/1983 6.68 04/24/1984 9.11 04/16/1985 5.80 04/13/1986 9.95 05/20/1987 7.59 05/02/1988 5.36 03/02/1989 5.00 05/25/1990 5.19 04/11/1991 5.48 05/16/1992 7.96 05/30/1993 13.69 08/23/1994 8.48 05/06/1995 6.21 07/26/1996 5.58 06/11/1997 6.30 08/14/1998 6.72 06/15/1999 7.28 04/24/2000 8.20 05/29/2001 8.18 06/17/2002 3.49 05/17/2004 6.15 05/08/2005 10.12 08/13/2006 4.54 05/05/2007 10.60 05/02/2008 5.92 05/24/2009 7.04 04/28/2010 7.95