Precipitation annual maximum series (inches) Station ID: 39-3987 Station name: HOPEWELL 1 SE State: SD Latitude (decimal degrees): 44.5000 Longitude (decimal degrees): -100.8667 Elevation (feet): 1923 Duration: 1 hour 05/09/1951 1.35 07/26/1953 1.18 07/25/1954 1.63 08/22/1955 0.61 07/07/1956 0.98 07/01/1957 0.58 06/13/1958 0.45 05/04/1959 0.41 08/24/1960 1.38 07/26/1961 0.58 07/10/1962 0.95 08/08/1963 1.59 08/03/1964 1.15 06/01/1965 0.55 08/20/1966 0.41 07/10/1967 1.16 06/07/1968 0.73 07/17/1969 1.24 08/01/1970 1.13 10/01/1971 1.60 07/25/1972 0.73 08/07/1973 0.74 05/09/1974 0.61 06/18/1975 0.75 06/14/1976 0.39 06/21/1977 1.15 06/29/1978 0.94 07/23/1979 1.24 06/26/1980 0.93 09/25/1981 0.97 07/22/1982 0.52 06/19/1983 0.81 Duration: 2 hours 05/09/1951 1.83 07/26/1953 1.68 07/25/1954 2.07 08/22/1955 0.88 07/07/1956 1.03 07/19/1957 0.63 06/12/1958 0.72 08/31/1959 0.60 08/24/1960 2.41 07/26/1961 0.70 05/20/1962 1.15 08/08/1963 1.67 08/03/1964 1.35 06/01/1965 0.62 08/20/1966 0.61 07/10/1967 1.22 04/21/1968 0.91 07/17/1969 1.44 08/06/1970 1.55 10/01/1971 2.14 07/25/1972 0.77 08/07/1973 0.78 07/07/1974 0.81 07/06/1975 0.99 06/14/1976 0.41 06/21/1977 1.60 06/29/1978 1.37 07/23/1979 1.32 06/26/1980 1.00 09/25/1981 1.18 08/16/1982 0.96 06/19/1983 1.03 Duration: 3 hours 05/09/1951 1.92 07/26/1953 1.93 07/25/1954 2.11 05/26/1955 0.90 07/07/1956 1.05 07/19/1957 0.81 06/13/1958 0.90 05/04/1959 0.67 08/24/1960 3.00 05/14/1961 0.78 05/20/1962 1.25 08/08/1963 1.70 08/03/1964 1.38 06/01/1965 0.66 08/19/1966 0.70 04/30/1967 1.25 04/21/1968 1.17 07/17/1969 1.52 08/06/1970 2.08 10/01/1971 2.21 07/27/1972 0.79 08/07/1973 0.80 07/07/1974 0.96 07/06/1975 1.01 07/03/1976 0.52 06/21/1977 1.63 06/29/1978 1.58 07/23/1979 1.35 06/26/1980 1.54 06/12/1981 1.32 08/16/1982 1.01 06/19/1983 1.09 Duration: 6 hours 09/20/1950 2.51 05/09/1951 2.06 07/26/1953 2.00 07/25/1954 2.13 05/26/1955 1.40 07/07/1956 1.06 08/17/1957 1.00 06/13/1958 0.93 09/17/1959 0.97 08/24/1960 3.03 05/14/1961 1.26 05/20/1962 1.32 08/08/1963 1.72 08/03/1964 1.39 05/14/1965 0.75 08/19/1966 1.07 04/30/1967 1.52 04/21/1968 1.39 07/17/1969 1.64 08/06/1970 2.10 10/01/1971 2.23 05/01/1972 1.02 03/13/1973 1.19 07/07/1974 1.01 06/18/1975 1.05 07/03/1976 0.88 06/21/1977 1.65 06/29/1978 1.77 06/19/1979 1.48 06/26/1980 1.56 06/12/1981 1.34 05/13/1982 1.56 06/19/1983 1.40 Duration: 12 hours 09/20/1950 4.25 10/03/1951 3.12 07/26/1953 2.02 07/25/1954 2.15 05/26/1955 1.86 07/07/1956 1.07 04/03/1957 1.24 06/12/1958 1.65 09/17/1959 1.55 08/24/1960 3.16 05/14/1961 1.59 05/20/1962 1.40 08/08/1963 1.74 04/26/1964 1.98 05/14/1965 1.09 08/19/1966 1.25 04/30/1967 2.15 04/21/1968 1.66 07/17/1969 1.66 08/06/1970 2.12 10/01/1971 2.25 05/01/1972 1.55 05/26/1973 1.59 04/11/1974 1.24 06/18/1975 1.06 07/03/1976 0.95 09/23/1977 1.70 07/21/1978 1.93 06/19/1979 2.15 06/26/1980 1.58 06/12/1981 1.35 05/13/1982 2.15 06/19/1983 1.50 Duration: 1 day 01/02/1910 1.56 09/06/1911 2.10 08/29/1912 1.12 08/18/1913 1.26 04/24/1914 1.12 03/19/1915 3.00 05/14/1916 1.45 08/06/1917 2.00 04/28/1918 1.00 05/31/1919 1.55 06/10/1920 2.00 10/26/1921 1.74 07/28/1922 1.52 10/01/1923 1.10 06/18/1924 2.02 06/07/1925 2.20 05/07/1926 1.12 05/08/1927 2.76 07/07/1928 1.44 04/24/1929 2.40 05/12/1930 1.69 06/09/1931 1.40 06/16/1932 1.77 03/04/1933 1.15 07/25/1934 1.64 04/10/1935 1.29 08/13/1936 0.65 07/13/1937 4.99 09/07/1938 3.42 07/02/1939 1.40 06/23/1940 1.12 06/06/1941 1.09 04/30/1942 2.90 09/20/1950 4.04 10/04/1951 3.45 06/28/1952 1.58 07/26/1953 1.80 07/26/1954 1.92 05/26/1955 2.00 07/07/1956 0.96 04/04/1957 1.19 04/05/1958 1.47 09/18/1959 1.74 08/25/1960 3.20 05/14/1961 1.75 05/21/1962 1.25 09/03/1963 1.55 04/27/1964 2.62 05/14/1965 1.35 08/20/1966 1.24 05/01/1967 2.65 06/07/1968 2.12 07/17/1969 1.50 08/06/1970 2.63 04/20/1971 2.41 04/30/1972 1.49 05/27/1973 2.26 04/11/1974 1.24 06/19/1975 1.01 07/03/1976 1.06 03/29/1977 1.90 07/22/1978 1.92 06/19/1979 2.32 10/16/1980 1.98 06/13/1981 1.37 05/14/1982 2.88 05/01/1983 1.34 Duration: 2 days 01/02/1910 1.68 09/06/1911 2.26 06/14/1912 1.47 05/18/1913 1.73 10/22/1914 1.30 03/19/1915 6.00 08/20/1916 2.09 08/06/1917 2.15 08/16/1918 1.18 05/31/1919 1.67 06/10/1920 2.15 10/25/1921 2.37 11/04/1922 1.80 09/28/1923 1.40 06/13/1924 2.75 06/06/1925 2.51 05/07/1926 1.22 05/08/1927 3.91 07/07/1928 1.55 04/24/1929 2.58 05/12/1930 1.82 06/09/1931 1.51 05/25/1932 2.32 03/04/1933 1.60 07/25/1934 1.77 04/09/1935 2.04 08/13/1936 0.73 07/13/1937 7.02 09/07/1938 3.68 07/02/1939 1.58 06/23/1940 1.21 06/09/1941 1.82 04/30/1942 3.12 09/19/1950 4.59 10/04/1951 3.75 06/27/1952 2.46 07/25/1953 2.10 07/26/1954 2.07 05/26/1955 2.15 11/02/1956 1.52 05/16/1957 1.61 04/04/1958 1.77 09/17/1959 2.28 08/25/1960 3.45 05/16/1961 2.08 05/20/1962 1.43 09/03/1963 1.91 04/26/1964 3.05 05/14/1965 1.57 08/19/1966 1.41 04/30/1967 5.25 06/07/1968 2.54 07/16/1969 2.44 08/06/1970 2.98 04/20/1971 3.41 04/30/1972 2.84 05/26/1973 2.96 04/11/1974 1.43 03/27/1975 1.38 06/14/1976 1.20 03/29/1977 2.62 07/21/1978 2.60 06/19/1979 2.75 10/15/1980 2.67 06/13/1981 2.30 05/13/1982 3.64 06/19/1983 1.60 Duration: 3 days 01/02/1910 1.76 09/06/1911 2.28 06/12/1912 1.75 05/18/1913 1.75 05/03/1914 1.80 03/19/1915 6.06 05/13/1916 2.25 08/06/1917 2.35 04/15/1918 1.25 05/31/1919 1.69 05/10/1920 2.17 10/25/1921 2.40 11/03/1922 1.85 08/07/1923 1.62 06/13/1924 2.78 06/06/1925 2.74 05/07/1926 1.23 05/07/1927 4.47 07/07/1928 1.57 04/24/1929 2.61 05/12/1930 1.84 06/09/1931 1.52 05/24/1932 2.34 03/04/1933 1.62 07/23/1934 1.82 04/09/1935 2.06 08/13/1936 0.74 07/12/1937 7.09 09/05/1938 3.72 07/02/1939 1.60 07/30/1940 1.22 06/09/1941 2.41 04/30/1942 3.15 09/19/1950 4.77 10/03/1951 3.91 06/27/1952 2.48 07/25/1953 2.12 07/26/1954 2.09 05/26/1955 2.88 08/10/1956 1.53 07/01/1957 1.63 06/12/1958 1.96 09/16/1959 2.79 08/23/1960 3.48 05/14/1961 2.87 05/15/1962 2.01 09/01/1963 2.40 04/25/1964 3.20 05/13/1965 1.65 08/19/1966 1.52 04/30/1967 5.30 06/06/1968 2.58 07/15/1969 3.60 08/06/1970 3.01 04/19/1971 3.76 04/30/1972 2.89 05/26/1973 2.99 04/11/1974 1.48 03/26/1975 1.90 06/14/1976 1.21 09/21/1977 2.87 07/20/1978 2.63 06/19/1979 2.85 10/15/1980 2.92 06/12/1981 2.34 05/12/1982 4.03 06/19/1983 1.72 Duration: 4 days 01/02/1910 1.78 09/06/1911 2.31 06/12/1912 2.59 05/16/1913 1.83 05/03/1914 1.82 03/19/1915 6.12 05/12/1916 2.40 08/06/1917 2.37 04/15/1918 1.43 05/31/1919 1.71 05/10/1920 2.20 10/25/1921 2.42 07/25/1922 2.34 09/28/1923 2.50 06/13/1924 2.86 06/04/1925 3.04 05/07/1926 1.52 05/06/1927 4.98 07/07/1928 1.60 04/24/1929 2.64 05/09/1930 1.86 03/23/1931 1.54 06/13/1932 2.44 03/04/1933 1.64 07/23/1934 1.84 04/09/1935 2.08 07/11/1937 7.76 09/05/1938 3.76 06/29/1939 1.92 07/30/1940 1.23 04/11/1941 2.50 04/27/1942 3.49 10/03/1951 3.95 06/25/1952 2.62 04/29/1953 2.15 07/26/1954 2.11 05/26/1955 2.91 08/10/1956 1.55 05/14/1957 1.90 06/12/1958 1.98 09/16/1959 2.82 08/23/1960 3.52 05/14/1961 3.66 05/15/1962 2.29 09/01/1963 2.42 04/25/1964 3.23 05/13/1965 1.67 03/02/1966 1.85 04/30/1967 5.35 06/06/1968 2.72 07/15/1969 3.64 08/06/1970 3.04 04/19/1971 4.00 04/29/1972 2.92 05/26/1973 3.26 04/11/1974 1.49 06/16/1975 2.06 04/16/1976 1.22 09/21/1977 2.90 07/20/1978 2.66 06/19/1979 3.20 10/15/1980 2.95 06/11/1981 2.94 05/12/1982 4.23 06/17/1983 1.74 Duration: 7 days 01/02/1910 1.80 09/06/1911 2.33 06/10/1912 2.71 05/13/1913 2.45 05/03/1914 1.84 03/19/1915 6.18 05/12/1916 2.50 07/31/1917 2.90 08/16/1918 1.86 05/31/1919 1.72 05/06/1920 2.40 10/25/1921 2.45 07/28/1922 3.09 09/27/1923 2.68 06/13/1924 5.05 06/04/1925 3.50 06/10/1926 1.63 05/04/1927 5.11 07/07/1928 2.02 04/18/1929 2.67 05/06/1930 1.88 06/04/1931 1.56 06/13/1932 2.99 03/04/1933 1.65 07/20/1934 1.88 04/04/1935 3.34 07/08/1937 8.15 09/07/1938 4.55 06/27/1939 2.80 07/26/1940 1.60 06/06/1941 3.55 04/24/1942 4.79 10/03/1951 3.99 06/24/1952 3.36 07/20/1953 2.22 07/26/1954 2.13 05/26/1955 3.51 07/02/1956 2.06 05/14/1957 2.69 06/08/1958 2.70 09/16/1959 3.20 08/23/1960 3.55 05/14/1961 4.02 05/15/1962 3.72 06/05/1963 2.55 04/26/1964 4.30 05/09/1965 2.08 03/02/1966 1.87 04/25/1967 5.55 06/06/1968 2.75 07/15/1969 3.85 08/01/1970 4.15 04/17/1971 4.25 04/26/1972 3.50 05/26/1973 3.29 07/03/1974 1.74 03/23/1975 2.65 04/14/1976 1.25 09/18/1977 3.29 07/17/1978 2.77 06/16/1979 3.57 10/15/1980 2.98 06/10/1981 3.20 05/10/1982 4.88 06/17/1983 1.84 Duration: 10 days 02/15/1910 1.82 09/06/1911 2.36 06/10/1912 2.74 05/13/1913 2.47 05/03/1914 2.36 03/19/1915 6.24 05/12/1916 3.64 07/31/1917 3.25 08/13/1918 1.91 04/08/1919 2.16 06/01/1920 2.80 10/25/1921 2.47 07/25/1922 3.91 08/02/1923 2.81 06/13/1924 5.10 06/04/1925 3.76 05/07/1926 1.65 05/04/1927 5.16 07/03/1928 2.14 04/18/1929 2.69 05/04/1930 1.99 03/19/1931 1.64 06/08/1932 3.73 03/04/1933 1.74 10/08/1934 1.90 04/01/1935 3.72 08/13/1936 1.17 07/08/1937 8.31 09/05/1938 4.74 06/27/1939 2.83 06/16/1940 1.88 06/02/1941 4.34 04/23/1942 4.95 10/04/1951 4.03 06/22/1952 3.44 07/25/1953 2.77 07/17/1954 2.19 05/26/1955 4.70 07/03/1956 2.33 05/16/1957 3.55 06/08/1958 2.82 09/16/1959 3.35 08/17/1960 5.39 05/14/1961 4.06 05/17/1962 3.99 05/31/1963 3.00 04/25/1964 5.05 05/08/1965 2.27 08/12/1966 2.19 04/25/1967 5.61 05/31/1968 2.82 07/15/1969 3.89 08/01/1970 4.25 04/18/1971 4.75 04/26/1972 3.54 05/26/1973 3.36 05/25/1974 2.17 03/23/1975 2.68 04/16/1976 1.42 09/18/1977 3.32 06/29/1978 3.27 06/16/1979 3.76 10/15/1980 3.01 06/10/1981 3.23 05/12/1982 5.65 06/19/1983 2.15 Duration: 20 days 01/29/1910 1.82 07/18/1911 3.43 06/10/1912 3.09 05/13/1913 3.61 04/24/1914 3.97 03/03/1915 7.40 05/13/1916 4.82 07/31/1917 3.73 08/01/1918 3.27 04/01/1919 2.24 05/22/1920 4.46 07/13/1921 3.94 07/16/1922 4.20 09/17/1923 3.35 06/06/1924 6.82 05/22/1925 5.43 05/28/1926 2.97 05/04/1927 5.96 06/23/1928 2.89 04/24/1929 3.13 04/24/1930 3.28 05/27/1931 2.11 05/25/1932 4.91 06/20/1933 2.60 05/31/1934 2.67 03/29/1935 3.99 08/13/1936 1.52 07/02/1937 8.33 08/25/1938 5.16 06/10/1939 3.70 06/04/1940 2.18 05/28/1941 5.48 04/27/1942 8.29 10/03/1951 4.31 06/24/1952 3.76 05/27/1953 4.03 07/16/1954 2.49 05/23/1955 6.37 06/28/1956 3.37 05/13/1957 4.58 05/31/1958 4.12 09/01/1959 3.48 08/06/1960 6.09 05/04/1961 5.47 05/14/1962 5.66 05/26/1963 4.33 04/20/1964 6.50 05/14/1965 3.95 03/03/1966 2.54 04/13/1967 7.23 06/06/1968 3.67 07/01/1969 4.42 07/23/1970 4.73 04/17/1971 4.90 04/26/1972 5.24 05/26/1973 3.43 05/19/1974 3.26 06/17/1975 3.24 06/14/1976 2.34 06/11/1977 5.37 07/03/1978 4.18 07/12/1979 4.28 06/16/1980 4.17 05/27/1981 4.13 05/11/1982 7.39 04/26/1983 2.69 Duration: 30 days 05/10/1910 2.25 07/08/1911 3.94 06/10/1912 4.93 04/20/1913 3.75 04/24/1914 4.85 02/26/1915 8.00 05/14/1916 5.83 07/31/1917 3.73 08/04/1918 4.27 04/08/1919 3.42 05/12/1920 5.53 07/02/1921 5.32 06/08/1922 4.88 09/17/1923 3.89 06/01/1924 7.72 05/16/1925 6.12 05/07/1926 3.19 04/10/1927 8.25 06/11/1928 4.33 04/11/1929 3.63 04/14/1930 4.68 05/27/1931 2.16 05/21/1932 7.53 06/20/1933 3.25 05/21/1934 2.75 03/29/1935 5.67 06/18/1937 8.72 08/16/1938 5.47 06/07/1939 5.43 07/22/1940 2.75 05/30/1941 5.61 04/18/1942 10.29 09/23/1951 4.43 05/30/1952 4.30 05/27/1953 4.69 07/26/1954 3.91 05/23/1955 6.48 07/03/1956 3.90 05/13/1957 7.03 05/24/1958 4.66 05/03/1959 5.14 08/06/1960 6.09 04/23/1961 6.10 05/14/1962 6.20 05/10/1963 6.08 04/12/1964 6.83 05/08/1965 5.10 03/02/1966 3.00 04/13/1967 7.45 06/06/1968 3.99 06/23/1969 6.37 07/12/1970 5.39 04/18/1971 5.65 04/27/1972 6.01 05/26/1973 3.90 05/09/1974 4.53 06/08/1975 3.90 06/14/1976 2.45 06/11/1977 6.96 06/24/1978 6.38 06/19/1979 5.28 05/29/1980 5.44 05/16/1981 6.37 05/10/1982 7.89 04/26/1983 2.90 Duration: 45 days 05/05/1910 2.75 07/27/1911 5.34 06/10/1912 5.97 04/20/1913 4.91 04/24/1914 6.44 03/19/1915 10.13 05/12/1916 8.47 04/16/1917 4.41 08/01/1918 4.60 04/01/1919 3.74 04/29/1920 7.71 07/03/1921 5.95 06/25/1922 6.99 06/03/1923 4.50 06/07/1924 8.95 05/22/1925 6.57 05/07/1926 4.82 04/01/1927 10.33 06/05/1928 5.35 04/24/1929 5.58 04/10/1930 5.19 05/08/1931 3.00 05/21/1932 9.41 05/22/1933 4.32 06/13/1934 3.60 04/04/1935 6.18 06/04/1937 10.86 05/16/1938 6.27 05/23/1939 7.10 06/16/1940 4.27 05/19/1941 6.31 04/23/1942 13.10 08/30/1951 5.18 05/19/1952 5.16 05/17/1953 5.43 07/16/1954 4.42 05/23/1955 7.47 07/02/1956 5.71 05/13/1957 8.72 05/24/1958 5.58 04/19/1959 5.74 08/06/1960 6.51 04/23/1961 6.40 05/14/1962 8.82 04/29/1963 6.83 04/05/1964 7.23 04/23/1965 6.48 08/20/1966 3.77 04/30/1967 8.38 06/06/1968 4.49 06/06/1969 8.04 04/11/1970 5.53 04/17/1971 7.62 04/27/1972 7.59 04/15/1973 4.57 04/20/1974 5.58 03/24/1975 5.12 05/21/1976 2.77 05/20/1977 8.76 06/14/1978 7.22 06/16/1979 8.27 06/01/1980 6.86 05/03/1981 7.32 04/16/1982 8.22 04/12/1983 3.56 Duration: 60 days 05/05/1910 3.45 07/18/1911 6.41 06/10/1912 6.65 04/09/1913 5.91 04/24/1914 8.16 05/28/1915 12.46 05/13/1916 8.90 07/31/1917 4.99 06/22/1918 6.27 04/08/1919 5.38 04/19/1920 9.84 06/15/1921 6.68 06/08/1922 9.32 08/03/1923 6.63 06/07/1924 9.63 04/18/1925 7.43 05/07/1926 5.04 04/01/1927 11.34 06/05/1928 6.41 04/06/1929 6.30 04/10/1930 5.40 05/08/1931 3.40 04/21/1932 11.83 05/07/1933 5.66 05/31/1934 5.32 04/03/1935 8.29 05/19/1937 13.09 05/11/1938 6.79 05/19/1939 7.73 06/03/1940 5.05 04/13/1941 8.65 04/23/1942 14.16 08/09/1951 6.71 06/22/1952 6.40 04/29/1953 7.64 05/28/1954 4.89 05/23/1955 8.33 06/14/1956 6.33 05/13/1957 10.34 04/22/1958 6.12 05/03/1959 5.99 06/27/1960 7.45 03/26/1961 7.68 05/15/1962 11.24 07/10/1963 7.94 04/25/1964 10.53 04/06/1965 6.97 03/02/1966 4.73 04/30/1967 12.58 04/13/1968 6.24 05/21/1969 8.35 06/10/1970 6.72 04/17/1971 8.07 04/26/1972 9.33 04/19/1973 4.80 04/11/1974 7.36 04/28/1975 6.75 05/05/1976 3.02 05/19/1977 9.92 05/26/1978 8.69 06/16/1979 9.04 05/28/1980 7.23 05/16/1981 8.71 04/05/1982 8.50 04/30/1983 5.36