Precipitation annual maximum series (inches) Station ID: 32-0189 Station name: AMBROSE 3 N State: ND Latitude (decimal degrees): 48.9975 Longitude (decimal degrees): -103.4878 Elevation (feet): 2027 Duration: 15 minutes 08/25/1978 0.80 07/29/1979 0.50 05/16/1984 0.30 09/05/1985 0.30 07/27/1986 0.50 05/31/1987 0.20 07/06/1988 0.60 07/17/1989 0.30 07/02/1990 1.00 09/08/1991 0.70 07/08/1992 0.40 08/21/1993 0.50 05/21/1994 0.80 07/15/1995 1.20 05/18/1996 0.80 06/16/1998 0.20 07/08/1999 0.40 11/02/2000 0.50 07/05/2001 0.50 06/10/2004 0.20 06/25/2005 0.70 04/19/2006 0.20 07/09/2007 0.30 07/23/2008 0.60 07/08/2009 0.40 Duration: 30 minutes 08/25/1978 1.60 07/29/1979 0.60 06/22/1984 0.40 09/05/1985 0.30 07/27/1986 0.80 07/29/1987 0.30 07/06/1988 0.90 07/17/1989 0.50 07/02/1990 1.90 09/08/1991 1.10 07/08/1992 0.40 08/21/1993 0.80 05/21/1994 0.90 07/15/1995 1.40 05/18/1996 0.90 06/16/1998 0.30 07/08/1999 0.80 07/04/2000 0.60 07/05/2001 0.60 07/11/2004 0.30 06/25/2005 0.70 04/19/2006 0.20 05/18/2007 0.40 07/23/2008 0.90 07/08/2009 0.40 Duration: 45 minutes 08/25/1978 2.10 07/29/1979 0.60 06/22/1984 0.40 06/10/1985 0.30 07/27/1986 0.90 07/29/1987 0.40 07/06/1988 1.20 07/17/1989 0.50 07/02/1990 2.00 09/08/1991 1.40 07/08/1992 0.40 08/21/1993 1.00 05/21/1994 0.90 07/15/1995 1.50 05/18/1996 0.90 06/16/1998 0.40 07/08/1999 0.80 07/04/2000 0.80 07/05/2001 0.60 07/11/2004 0.40 06/25/2005 0.90 04/17/2006 0.20 08/08/2007 0.50 07/23/2008 1.10 07/08/2009 0.60 Duration: 1 hour 08/25/1978 2.20 07/29/1979 0.64 06/22/1984 0.46 09/05/1985 0.28 07/27/1986 0.83 07/18/1987 0.37 07/06/1988 1.10 09/02/1989 0.46 07/02/1990 1.93 09/08/1991 1.38 07/08/1992 0.37 08/21/1993 1.10 05/21/1994 0.83 07/15/1995 1.38 05/18/1996 0.92 06/16/1998 0.46 07/08/1999 0.92 07/04/2000 0.73 07/05/2001 0.55 07/11/2004 0.37 06/25/2005 0.83 06/09/2006 0.28 08/08/2007 0.46 07/23/2008 1.28 07/08/2009 0.55 Duration: 2 hours 08/25/1978 2.60 07/29/1979 0.67 06/22/1984 0.67 04/19/1985 0.38 07/04/1986 1.15 07/18/1987 0.67 07/06/1988 1.15 10/26/1989 0.58 07/02/1990 2.02 09/08/1991 1.83 06/16/1992 0.58 08/21/1993 1.54 05/21/1994 0.87 07/15/1995 1.45 05/18/1996 1.06 06/16/1998 0.77 07/07/1999 1.06 07/04/2000 0.96 07/05/2001 0.58 07/11/2004 0.48 06/25/2005 0.96 06/10/2006 0.48 05/14/2007 0.58 07/23/2008 1.73 07/08/2009 0.67 Duration: 3 hours 08/25/1978 2.70 07/29/1979 0.70 06/22/1984 0.70 04/19/1985 0.50 07/04/1986 1.40 07/18/1987 0.80 07/06/1988 1.20 10/26/1989 0.80 07/02/1990 2.10 09/08/1991 2.00 06/16/1992 0.60 08/21/1993 1.70 05/21/1994 0.90 07/15/1995 1.50 05/18/1996 1.10 06/16/1998 0.90 07/07/1999 1.10 07/04/2000 1.00 04/18/2001 0.60 05/11/2004 0.50 06/25/2005 1.00 06/09/2006 0.50 05/31/2007 0.80 07/23/2008 1.80 08/14/2009 0.80 Duration: 6 hours 08/25/1978 2.73 07/29/1979 0.80 06/22/1984 0.71 04/19/1985 0.60 07/04/1986 1.50 07/18/1987 0.90 07/06/1988 1.21 10/26/1989 1.10 07/02/1990 2.12 09/08/1991 3.10 04/18/1992 0.80 07/03/1993 1.90 05/19/1994 0.91 07/15/1995 1.51 05/18/1996 1.20 06/18/1998 1.30 07/07/1999 1.30 07/04/2000 1.20 04/18/2001 0.80 05/11/2004 0.70 06/25/2005 1.50 06/09/2006 0.70 05/30/2007 1.30 07/22/2008 1.90 08/14/2009 0.81 Duration: 12 hours 08/25/1978 2.80 07/29/1979 1.40 06/22/1984 0.72 04/19/1985 0.70 07/04/1986 1.60 07/18/1987 0.91 07/06/1988 1.30 10/26/1989 1.80 07/02/1990 2.14 09/08/1991 3.30 04/18/1992 1.00 07/03/1993 2.70 05/19/1994 0.92 07/15/1995 1.60 05/18/1996 1.30 06/18/1998 2.30 07/07/1999 1.31 11/01/2000 1.21 04/18/2001 0.81 05/10/2004 1.00 06/25/2005 1.60 04/17/2006 0.90 05/30/2007 2.00 07/22/2008 1.92 02/09/2009 1.10 Duration: 1 day 09/04/1951 2.88 06/28/1952 1.32 08/18/1953 1.62 04/20/1955 1.46 06/22/1956 0.83 08/31/1957 1.17 10/21/1958 1.00 06/20/1960 1.20 05/31/1961 0.97 10/15/1962 1.16 07/04/1964 1.00 09/04/1965 1.93 07/04/1966 1.64 04/20/1967 0.80 08/16/1968 1.71 07/07/1969 2.24 07/14/1970 1.72 07/11/1971 2.02 06/09/1972 1.50 09/03/1973 2.00 08/15/1974 0.76 09/18/1975 1.90 06/07/1976 1.32 09/18/1977 1.00 07/29/1979 1.68 04/07/1980 1.50 05/23/1981 1.25 09/28/1982 1.54 07/19/1983 0.85 06/22/1984 0.80 08/17/1985 2.20 07/05/1986 1.43 07/30/1987 1.25 09/19/1988 1.25 06/11/1989 1.70 07/03/1990 3.75 09/09/1991 2.95 04/19/1992 1.25 07/04/1993 2.77 05/20/1994 1.15 07/16/1995 2.10 05/18/1996 1.25 07/02/1997 3.50 06/19/1998 2.23 05/11/1999 1.51 07/04/2000 1.52 04/20/2001 0.89 06/10/2004 1.43 06/26/2005 2.34 05/31/2007 2.25 07/08/2009 1.25 Duration: 2 days 06/27/1952 1.42 05/09/1953 2.22 04/19/1955 1.61 07/03/1956 0.99 08/30/1957 1.26 10/21/1958 1.08 06/20/1960 2.30 05/31/1961 1.04 10/15/1962 1.41 08/21/1964 1.59 05/05/1965 2.72 08/20/1966 1.80 04/20/1967 1.10 08/16/1968 1.84 07/06/1969 2.67 06/11/1970 1.87 06/05/1971 2.24 05/26/1972 1.62 09/03/1973 3.15 08/14/1974 1.07 04/27/1975 2.20 06/07/1976 1.67 05/19/1977 1.23 07/29/1979 1.81 04/07/1980 1.90 05/23/1981 1.60 09/28/1982 1.71 07/18/1983 0.93 06/22/1984 1.06 08/16/1985 3.25 07/04/1986 1.77 07/29/1987 1.35 09/19/1988 1.35 06/11/1989 1.83 07/02/1990 4.13 09/08/1991 3.47 04/19/1992 1.92 07/04/1993 3.75 05/22/1994 1.63 07/16/1995 2.26 05/18/1996 1.73 07/02/1997 3.77 06/18/1998 3.46 05/10/1999 2.08 11/02/2000 1.92 04/20/2001 0.96 06/10/2004 1.86 06/07/2005 2.60 05/30/2007 3.25 07/07/2009 1.83 Duration: 3 days 08/29/1952 1.77 05/09/1953 2.37 04/19/1955 1.63 08/26/1956 1.40 07/21/1957 1.74 10/21/1958 1.09 06/20/1960 2.56 05/31/1961 1.05 10/15/1962 1.42 08/23/1963 4.41 08/21/1964 1.61 05/05/1965 3.30 08/19/1966 1.88 04/20/1967 1.11 08/16/1968 1.86 06/26/1969 3.00 06/10/1970 2.11 06/04/1971 2.47 08/19/1972 1.80 09/02/1973 3.50 08/14/1974 1.22 04/27/1975 3.04 06/07/1976 1.69 05/17/1977 1.26 05/04/1979 1.83 04/07/1980 1.92 05/23/1981 1.62 09/28/1982 1.73 07/18/1983 0.94 06/21/1984 1.11 08/16/1985 3.28 07/04/1986 1.79 07/29/1987 1.38 07/04/1988 1.51 06/11/1989 1.85 07/01/1990 4.26 09/08/1991 3.50 04/18/1992 2.05 07/04/1993 4.04 05/20/1994 2.11 07/16/1995 2.28 05/18/1996 1.85 06/30/1997 3.90 06/17/1998 3.54 05/09/1999 2.29 11/01/2000 1.94 04/20/2001 0.97 06/10/2004 1.88 06/07/2005 2.65 05/30/2007 3.28 07/07/2009 1.85 Duration: 4 days 08/29/1952 1.92 06/20/1953 2.61 04/19/1955 1.65 08/26/1956 1.43 07/21/1957 1.76 10/21/1958 1.10 06/20/1960 2.59 05/31/1961 1.07 10/15/1962 1.44 08/23/1963 5.58 08/21/1964 1.67 05/05/1965 3.97 07/01/1966 2.28 04/20/1967 1.12 08/16/1968 3.03 06/26/1969 3.03 06/10/1970 2.13 06/03/1971 2.58 06/09/1972 2.23 09/02/1973 3.53 05/18/1974 1.43 04/27/1975 3.14 06/05/1976 1.79 05/16/1977 1.69 05/04/1979 1.85 04/07/1980 1.94 05/23/1981 1.64 09/28/1982 1.75 09/09/1983 1.28 06/21/1984 1.12 08/16/1985 3.31 07/10/1986 1.81 07/29/1987 1.39 07/04/1988 1.59 06/11/1989 1.87 07/01/1990 4.30 09/08/1991 3.54 04/18/1992 2.07 07/04/1993 4.08 05/20/1994 2.46 07/13/1995 2.31 05/17/1996 2.00 06/30/1997 3.94 06/17/1998 3.63 05/09/1999 2.34 10/31/2000 1.98 04/20/2001 0.98 06/10/2004 1.90 06/07/2005 3.09 05/30/2007 3.31 07/07/2009 1.87 Duration: 7 days 08/29/1951 4.53 07/06/1952 2.27 06/20/1953 3.64 04/19/1955 1.81 08/26/1956 1.96 07/21/1957 1.91 10/21/1958 1.11 06/20/1960 2.89 09/02/1961 1.16 10/11/1962 1.64 08/23/1963 5.73 06/15/1964 2.00 05/05/1965 4.01 06/30/1966 2.31 04/20/1967 1.13 08/16/1968 3.37 07/03/1969 3.31 06/10/1970 2.21 07/07/1971 2.94 05/20/1972 2.68 09/02/1973 3.57 08/15/1974 1.70 04/27/1975 3.17 06/07/1976 3.19 05/15/1977 2.12 07/29/1979 2.00 04/07/1980 1.96 05/23/1981 1.66 09/28/1982 2.06 09/09/1983 1.59 06/21/1984 1.18 08/16/1985 3.35 05/05/1986 2.51 07/18/1987 1.79 06/30/1988 2.05 06/11/1989 1.89 06/27/1990 4.81 09/08/1991 3.58 04/18/1992 2.09 06/29/1993 5.74 05/17/1994 2.84 08/08/1995 2.63 05/17/1996 2.03 06/30/1997 4.09 06/17/1998 3.78 05/09/1999 3.09 11/02/2000 2.75 06/09/2001 1.05 05/19/2004 2.48 06/26/2005 3.42 05/30/2007 3.35 07/08/2009 2.37 Duration: 10 days 08/26/1951 4.87 07/06/1952 2.29 06/20/1953 3.84 04/19/1955 1.83 08/26/1956 2.03 07/21/1957 2.14 06/14/1958 1.39 06/17/1960 3.10 09/02/1961 1.36 10/07/1962 2.02 08/23/1963 5.79 06/11/1964 2.62 05/05/1965 4.05 07/04/1966 2.39 04/20/1967 1.88 08/16/1968 4.40 06/28/1969 3.80 06/10/1970 2.30 07/03/1971 3.52 05/20/1972 2.98 08/28/1973 3.67 05/13/1974 2.35 04/27/1975 3.20 06/04/1976 3.47 05/15/1977 2.21 07/29/1979 2.08 04/07/1980 1.98 07/14/1981 2.27 09/28/1982 2.20 09/09/1983 1.61 06/07/1984 1.34 08/16/1985 3.40 07/04/1986 3.77 07/22/1987 1.93 06/30/1988 2.13 06/11/1989 1.91 06/27/1990 5.08 06/26/1991 3.72 07/01/1992 2.18 06/29/1993 6.05 05/17/1994 2.88 08/08/1995 2.66 05/17/1996 2.05 07/02/1997 4.39 06/13/1998 3.82 05/06/1999 3.34 06/08/2000 3.02 06/06/2001 1.60 05/19/2004 2.68 06/23/2005 3.59 05/22/2007 3.75 07/07/2009 2.85 Duration: 20 days 08/18/1951 6.48 06/27/1952 3.91 06/17/1953 5.15 04/19/1955 2.59 06/18/1956 3.08 07/21/1957 2.56 06/04/1958 1.75 06/17/1960 3.96 05/31/1961 2.05 05/28/1962 2.76 08/11/1963 6.46 06/05/1964 3.92 05/06/1965 5.27 06/24/1966 3.21 04/20/1967 1.88 08/06/1968 5.10 06/26/1969 6.71 07/14/1970 3.60 06/24/1971 5.91 05/26/1972 4.35 09/02/1973 4.28 05/07/1974 2.97 08/18/1975 5.02 05/26/1976 4.77 05/09/1977 3.82 05/04/1979 2.61 08/04/1980 2.75 07/14/1981 3.01 07/09/1982 2.72 06/30/1983 2.70 06/07/1984 2.52 07/30/1985 4.55 07/04/1986 4.38 07/11/1987 3.56 06/24/1988 3.55 06/11/1989 2.40 06/17/1990 5.27 06/26/1991 6.10 06/14/1992 3.78 06/16/1993 6.37 06/08/1994 3.93 07/27/1995 3.00 05/17/1996 2.51 06/30/1997 5.49 06/17/1998 5.10 04/27/1999 4.17 05/27/2000 4.55 05/30/2001 2.20 05/12/2004 4.83 06/07/2005 5.64 05/13/2007 5.34 06/20/2009 3.65 Duration: 30 days 06/23/1952 5.40 06/01/1953 6.88 04/19/1955 3.10 06/18/1956 3.34 07/15/1957 3.20 06/10/1958 1.99 05/24/1960 4.48 05/31/1961 2.05 05/10/1962 3.31 08/23/1963 7.07 06/05/1964 4.92 05/05/1965 8.08 06/24/1966 3.60 04/20/1967 2.12 07/30/1968 5.82 06/23/1969 7.71 04/13/1970 4.66 06/19/1971 6.28 05/11/1972 5.98 08/28/1973 4.61 04/27/1974 3.49 08/22/1975 5.95 05/26/1976 5.80 05/04/1977 4.12 04/11/1979 3.41 08/04/1980 3.10 05/23/1981 4.44 06/29/1982 3.82 06/20/1983 3.18 06/07/1984 2.59 07/30/1985 4.92 07/04/1986 5.91 07/01/1987 4.27 06/14/1988 4.25 05/31/1989 2.60 06/08/1990 5.72 06/23/1991 6.78 06/14/1992 4.62 06/29/1993 8.61 05/17/1994 5.26 07/16/1995 5.31 05/17/1996 3.12 06/19/1997 5.89 06/09/1998 5.85 05/06/1999 5.55 05/27/2000 5.21 05/30/2001 2.75 05/13/2004 6.20 06/02/2005 7.07 05/30/2007 6.28 06/20/2009 4.67 Duration: 45 days 06/19/1952 5.92 05/23/1953 8.66 04/19/1955 3.81 06/18/1956 4.33 06/09/1957 4.57 06/01/1958 2.63 05/24/1960 5.67 05/05/1961 2.56 05/10/1962 4.70 07/19/1963 8.71 06/05/1964 5.11 05/05/1965 9.55 06/30/1966 4.31 09/12/1967 2.29 07/16/1968 7.12 06/07/1969 8.52 04/29/1970 6.05 06/03/1971 8.96 05/11/1972 7.73 07/24/1973 5.25 04/27/1974 3.99 04/27/1975 7.85 05/12/1976 6.08 05/04/1977 5.30 04/11/1979 4.37 08/08/1980 4.83 07/14/1981 5.31 06/16/1982 4.27 06/10/1983 3.97 05/17/1984 2.92 07/30/1985 5.72 06/15/1986 6.66 06/17/1987 5.62 06/24/1988 4.94 05/17/1989 3.78 05/26/1990 6.82 06/26/1991 7.85 06/14/1992 5.67 06/14/1993 9.46 05/20/1994 7.80 07/13/1995 5.81 06/14/1996 4.34 06/16/1997 5.99 05/27/1998 6.68 04/27/1999 6.84 05/27/2000 7.25 06/04/2001 3.78 05/11/2004 7.71 05/18/2005 8.64 05/13/2007 8.37 06/06/2009 5.67 Duration: 60 days 05/25/1952 7.60 04/27/1953 11.19 04/19/1955 4.38 07/03/1956 4.82 07/15/1957 5.59 06/01/1958 2.88 05/08/1960 6.53 04/23/1961 2.83 05/07/1962 5.04 06/05/1964 6.64 05/05/1965 10.98 06/24/1966 6.34 04/20/1967 2.81 07/12/1968 7.94 06/19/1969 8.74 04/14/1970 7.40 05/22/1971 10.02 04/30/1972 8.21 07/24/1973 6.03 07/07/1974 4.44 04/27/1975 8.72 04/15/1976 6.93 05/04/1977 5.68 04/11/1979 4.66 07/27/1980 5.64 05/23/1981 6.79 05/29/1982 5.38 05/21/1983 4.13 06/07/1984 3.43 07/24/1985 6.83 06/03/1986 6.95 06/01/1987 6.27 06/24/1988 5.89 05/24/1989 4.23 06/27/1990 7.61 06/13/1991 9.15 05/21/1992 6.86 06/29/1993 11.53 05/17/1994 8.50 07/13/1995 7.34 05/31/1996 5.33 06/30/1997 7.96 06/17/1998 7.00 05/10/1999 9.28 05/27/2000 8.46 05/27/2001 4.50 05/11/2004 8.86 05/08/2005 10.41 05/06/2007 9.27 06/20/2009 6.51