Precipitation annual maximum series (inches) Station ID: 39-6357 Station name: ORMAN DAM State: SD Latitude (decimal degrees): 44.7333 Longitude (decimal degrees): -103.6667 Elevation (feet): 2933 Duration: 1 day 05/25/1907 3.50 04/23/1908 2.10 05/29/1909 1.32 09/22/1910 1.27 11/11/1911 1.50 07/04/1912 1.77 09/16/1913 1.87 10/22/1914 0.98 07/15/1915 2.09 06/21/1916 0.90 09/16/1917 1.09 08/07/1918 1.13 07/30/1919 1.10 05/11/1920 2.00 07/01/1921 1.00 04/06/1922 1.59 09/28/1923 2.24 10/08/1924 2.15 06/23/1925 2.08 05/27/1926 1.00 05/08/1927 1.60 06/12/1928 1.65 09/25/1929 1.60 06/01/1930 1.40 05/27/1931 1.12 04/23/1932 1.85 04/20/1933 2.85 06/07/1934 0.98 07/19/1935 1.00 07/26/1936 1.12 07/12/1937 2.04 08/25/1938 0.87 06/09/1939 1.05 08/17/1940 1.28 06/10/1941 2.18 06/03/1942 1.40 07/03/1943 1.92 06/03/1944 1.76 05/20/1945 1.30 05/23/1946 1.90 06/21/1947 2.25 04/30/1949 0.97 09/20/1950 0.84 07/02/1951 0.95 07/12/1952 1.84 06/20/1953 1.34 05/22/1954 1.71 07/23/1955 1.30 05/28/1956 1.29 09/01/1957 1.00 06/03/1958 0.75 06/25/1959 1.34 08/06/1960 1.65 06/14/1961 1.34 06/16/1962 1.86 04/10/1963 0.98 06/08/1964 2.45 05/09/1965 1.57 08/12/1966 1.29 04/14/1967 1.42 07/28/1968 1.47 05/04/1969 1.10 04/18/1970 1.43 10/02/1971 1.95 08/02/1972 1.82 08/23/1973 3.20 Duration: 2 days 05/24/1907 4.79 04/23/1908 2.26 05/31/1909 1.67 09/22/1910 1.37 11/10/1911 2.00 07/04/1912 1.91 09/15/1913 2.05 10/22/1914 1.46 07/14/1915 2.96 06/20/1916 1.62 05/20/1917 1.56 09/24/1918 1.50 10/18/1919 1.20 05/11/1920 3.50 07/01/1921 1.14 07/21/1922 2.21 09/28/1923 2.69 10/08/1924 2.32 06/23/1925 2.24 05/27/1926 1.78 05/08/1927 2.16 06/11/1928 2.25 05/28/1929 2.50 06/01/1930 1.51 05/27/1931 1.21 04/23/1932 2.55 04/19/1933 3.24 04/03/1934 1.49 05/31/1935 1.40 07/26/1936 1.21 07/12/1937 3.71 08/25/1938 0.94 06/09/1939 1.30 06/03/1940 2.24 04/13/1941 3.16 05/15/1942 2.20 07/03/1943 2.07 06/03/1944 2.50 05/19/1945 1.40 04/30/1946 2.29 06/21/1947 3.38 10/07/1949 1.16 09/19/1950 0.91 06/01/1951 1.26 07/12/1952 2.78 06/19/1953 2.07 05/22/1954 2.86 07/22/1955 1.40 05/27/1956 1.57 05/20/1957 1.20 06/02/1958 1.33 06/25/1959 1.48 08/06/1960 1.78 06/13/1961 1.55 05/21/1962 2.13 09/01/1963 1.60 06/08/1964 3.82 05/08/1965 2.28 08/12/1966 1.39 04/13/1967 1.68 06/24/1968 1.58 05/04/1969 1.90 04/18/1970 1.58 10/01/1971 2.31 08/02/1972 2.20 08/22/1973 3.70 Duration: 3 days 05/23/1907 5.56 04/23/1908 2.28 05/29/1909 2.80 09/22/1910 1.38 11/09/1911 2.25 07/02/1912 2.17 09/14/1913 2.16 10/22/1914 1.47 07/13/1915 3.39 05/13/1916 1.78 05/20/1917 1.58 08/05/1918 2.03 10/18/1919 1.80 05/10/1920 4.13 07/01/1921 1.15 07/21/1922 2.23 09/28/1923 2.84 10/08/1924 2.34 06/23/1925 2.26 05/27/1926 1.86 05/06/1927 2.90 06/11/1928 2.27 05/26/1929 2.52 06/01/1930 1.52 05/27/1931 1.22 04/23/1932 3.09 04/19/1933 3.39 04/03/1934 1.50 05/30/1935 1.66 07/26/1936 1.22 07/12/1937 4.17 05/29/1938 1.15 06/09/1939 1.58 06/03/1940 2.45 06/08/1941 3.25 05/15/1942 2.51 07/03/1943 2.09 06/03/1944 2.57 05/18/1945 1.90 04/30/1946 2.49 06/20/1947 3.53 10/07/1949 1.17 09/19/1950 0.98 06/17/1951 1.82 07/11/1952 2.99 06/19/1953 2.09 05/21/1954 3.09 07/23/1955 1.49 05/27/1956 1.59 05/20/1957 1.27 06/02/1958 1.45 06/25/1959 1.49 08/06/1960 1.79 06/13/1961 1.57 05/20/1962 2.15 09/01/1963 1.87 06/07/1964 3.86 05/08/1965 2.30 08/12/1966 1.40 04/13/1967 1.72 07/26/1968 2.17 05/04/1969 1.92 04/17/1970 1.61 10/01/1971 2.33 08/02/1972 2.25 08/22/1973 3.74 Duration: 4 days 05/23/1907 5.69 04/23/1908 2.31 05/29/1909 3.26 09/22/1910 1.95 11/09/1911 2.27 07/02/1912 2.27 09/14/1913 2.18 10/22/1914 1.49 07/13/1915 3.43 05/12/1916 2.13 05/20/1917 1.59 08/05/1918 2.05 07/27/1919 1.85 05/10/1920 4.17 06/28/1921 1.52 07/21/1922 2.41 09/27/1923 2.93 10/08/1924 2.63 06/23/1925 2.28 05/26/1926 1.88 05/06/1927 3.46 06/11/1928 2.29 05/26/1929 3.75 06/01/1930 1.54 05/27/1931 1.23 04/23/1932 3.12 04/19/1933 3.42 04/03/1934 1.52 05/29/1935 1.95 04/27/1936 1.32 07/10/1937 4.74 05/29/1938 1.16 06/09/1939 1.74 06/03/1940 2.47 06/08/1941 3.33 06/02/1942 2.88 06/30/1943 2.32 06/03/1944 2.60 05/17/1945 1.92 04/30/1946 2.51 06/20/1947 3.61 10/07/1949 1.18 09/19/1950 0.99 06/16/1951 1.85 07/11/1952 3.02 06/19/1953 2.11 05/21/1954 3.12 07/23/1955 1.74 05/27/1956 1.63 06/07/1957 1.31 06/01/1958 1.52 06/25/1959 1.51 08/06/1960 1.81 06/11/1961 1.62 05/15/1962 2.78 09/01/1963 1.89 06/07/1964 3.90 05/22/1965 2.54 09/13/1966 1.51 04/13/1967 1.82 07/25/1968 2.21 06/07/1969 2.03 05/11/1970 2.26 10/01/1971 2.36 08/02/1972 2.35 08/22/1973 3.77 Duration: 7 days 05/20/1907 5.82 04/23/1908 2.33 05/25/1909 3.62 09/22/1910 1.97 11/10/1911 2.35 06/30/1912 2.65 09/14/1913 2.20 10/22/1914 1.50 07/10/1915 3.71 05/12/1916 2.26 05/20/1917 2.16 08/05/1918 2.10 10/14/1919 2.30 05/06/1920 5.45 06/28/1921 1.66 07/16/1922 2.69 09/24/1923 3.05 10/08/1924 2.66 06/23/1925 2.31 05/27/1926 1.92 05/04/1927 3.97 06/11/1928 2.32 05/26/1929 3.79 06/01/1930 1.55 05/27/1931 1.24 04/23/1932 3.97 04/19/1933 3.46 03/29/1934 1.84 05/29/1935 1.97 04/24/1936 1.47 07/10/1937 5.20 05/29/1938 1.17 06/09/1939 1.87 05/30/1940 3.27 06/04/1941 6.38 05/10/1942 3.66 06/27/1943 2.64 06/03/1944 3.03 05/14/1945 1.99 06/12/1946 3.03 06/17/1947 3.89 10/03/1949 1.37 05/02/1950 1.35 06/13/1951 1.99 07/07/1952 3.05 06/14/1953 2.91 05/21/1954 3.46 07/21/1955 1.80 05/27/1956 1.65 08/26/1957 1.99 06/08/1958 2.18 06/25/1959 2.43 08/06/1960 1.83 06/13/1961 1.77 05/16/1962 4.29 06/05/1963 2.39 06/07/1964 3.94 05/08/1965 3.08 09/13/1966 1.52 09/12/1967 2.14 07/24/1968 3.23 06/07/1969 2.67 05/08/1970 2.74 09/28/1971 2.84 06/09/1972 2.65 08/22/1973 3.81 Duration: 10 days 05/18/1907 6.12 05/25/1908 2.43 05/23/1909 4.31 09/22/1910 1.99 11/09/1911 3.10 06/25/1912 2.68 09/14/1913 2.57 10/22/1914 1.52 07/07/1915 4.01 05/13/1916 2.81 05/20/1917 2.48 08/05/1918 2.60 07/27/1919 2.56 05/04/1920 5.78 06/28/1921 1.68 07/21/1922 3.47 09/24/1923 3.17 10/02/1924 2.82 06/14/1925 3.29 05/26/1926 1.94 05/04/1927 4.01 06/04/1928 2.60 05/26/1929 4.53 06/01/1930 2.06 05/27/1931 1.62 04/23/1932 4.01 04/19/1933 3.58 03/29/1934 1.86 05/13/1935 2.06 08/18/1936 1.57 07/10/1937 6.18 06/29/1938 1.48 06/09/1939 2.43 05/30/1940 3.30 06/01/1941 8.02 05/10/1942 4.02 06/24/1943 3.28 06/03/1944 3.53 05/12/1945 2.41 05/23/1946 4.26 06/20/1947 3.93 10/01/1949 1.51 04/29/1950 1.86 06/11/1951 2.26 07/07/1952 3.08 06/11/1953 3.12 05/21/1954 3.61 07/21/1955 1.82 05/27/1956 1.78 06/07/1957 2.56 06/01/1958 2.45 06/25/1959 2.47 08/06/1960 1.85 06/11/1961 1.84 05/16/1962 5.32 06/02/1963 3.10 06/07/1964 4.17 05/05/1965 3.26 08/12/1966 1.90 06/06/1967 2.42 07/24/1968 3.26 04/26/1969 3.04 04/11/1970 3.24 09/28/1971 2.87 06/10/1972 3.73 08/22/1973 3.85 Duration: 20 days 05/07/1907 7.00 05/13/1908 3.46 05/24/1909 5.48 09/11/1910 2.22 10/31/1911 3.12 09/05/1912 3.77 09/16/1913 3.61 10/04/1914 2.23 07/13/1915 6.95 05/13/1916 3.57 05/20/1917 2.84 06/28/1918 2.89 07/17/1919 2.91 04/28/1920 6.63 06/13/1921 2.97 07/06/1922 5.56 08/04/1923 4.71 09/26/1924 3.07 06/05/1925 4.90 05/27/1926 3.48 05/04/1927 4.57 06/04/1928 3.41 05/26/1929 4.55 06/01/1930 2.06 05/27/1931 1.84 05/23/1932 6.41 04/20/1933 5.03 06/06/1934 2.96 05/13/1935 4.01 08/13/1936 1.66 07/01/1937 6.65 05/17/1938 2.05 06/01/1939 3.17 05/30/1940 3.30 05/27/1941 8.78 04/29/1942 5.62 06/14/1943 4.13 06/03/1944 6.11 05/18/1945 3.44 05/30/1946 5.94 06/03/1947 5.39 10/01/1949 1.80 04/28/1950 2.63 05/31/1951 3.69 06/24/1952 3.97 06/06/1953 3.47 05/21/1954 5.36 07/22/1955 2.44 05/28/1956 2.78 06/07/1957 3.78 06/01/1958 4.27 06/25/1959 2.67 08/06/1960 3.20 09/05/1961 1.96 05/14/1962 7.92 06/02/1963 4.57 06/07/1964 5.21 05/08/1965 5.75 09/13/1966 2.24 06/06/1967 3.57 06/06/1968 4.42 06/07/1969 4.27 05/11/1970 3.54 05/22/1971 3.73 06/09/1972 5.79 08/22/1973 4.38 Duration: 30 days 05/13/1907 7.97 05/13/1908 4.01 05/16/1909 5.68 09/02/1910 2.98 10/25/1911 3.23 08/29/1912 4.26 09/07/1913 4.43 04/17/1914 2.36 07/03/1915 7.62 05/12/1916 4.04 04/27/1917 3.15 06/17/1918 3.71 09/28/1919 3.73 04/16/1920 8.73 06/03/1921 3.52 07/06/1922 7.08 09/16/1923 5.86 09/18/1924 3.34 06/05/1925 5.57 05/05/1926 4.27 04/10/1927 7.44 06/11/1928 4.96 05/07/1929 5.03 05/11/1930 2.82 05/08/1931 2.03 05/20/1932 6.84 04/19/1933 6.19 05/31/1934 3.29 05/18/1935 4.74 07/26/1936 2.43 06/25/1937 7.08 05/06/1938 2.70 05/18/1939 3.92 05/30/1940 4.63 05/14/1941 10.11 04/18/1942 7.93 06/05/1943 6.54 05/24/1944 7.97 05/17/1945 4.77 05/23/1946 8.20 06/01/1947 6.68 04/09/1949 2.27 04/09/1950 2.90 05/25/1951 3.97 06/24/1952 3.97 05/22/1953 3.99 05/22/1954 6.35 06/28/1955 2.89 05/27/1956 4.01 06/07/1957 4.22 05/24/1958 4.66 06/25/1959 2.98 08/06/1960 3.20 06/13/1961 3.55 05/18/1962 8.62 05/26/1963 5.24 06/01/1964 6.17 05/05/1965 6.27 09/13/1966 3.11 05/26/1967 4.28 05/27/1968 4.74 04/25/1969 4.53 04/15/1970 4.73 09/04/1971 4.85 05/28/1972 6.33 08/22/1973 4.71 Duration: 45 days 05/23/1907 9.58 04/23/1908 6.04 05/23/1909 6.54 08/24/1910 3.46 11/09/1911 3.63 06/25/1912 5.40 05/16/1913 5.06 06/03/1914 3.29 06/18/1915 9.18 05/12/1916 6.35 04/23/1917 4.35 06/24/1918 5.42 09/28/1919 4.50 05/06/1920 9.25 05/19/1921 4.40 06/14/1922 8.72 08/15/1923 7.26 09/09/1924 3.50 05/15/1925 6.36 05/05/1926 5.99 04/09/1927 8.34 06/11/1928 5.62 04/23/1929 5.75 04/27/1930 3.21 04/30/1931 2.69 04/23/1932 9.21 04/19/1933 10.03 05/31/1934 3.46 05/07/1935 6.13 07/26/1936 2.86 05/30/1937 10.27 04/26/1938 3.57 05/23/1939 5.29 04/21/1940 5.39 04/28/1941 10.41 04/23/1942 10.95 05/23/1943 7.07 05/16/1944 8.93 05/12/1945 5.84 04/30/1946 9.85 06/01/1947 7.86 05/31/1949 3.06 03/26/1950 3.58 05/28/1951 5.67 05/30/1952 4.95 05/09/1953 4.86 05/14/1954 7.11 07/03/1955 3.65 05/27/1956 4.30 05/12/1957 6.13 05/31/1958 6.18 05/19/1959 4.29 07/12/1960 3.51 06/08/1961 3.68 05/11/1962 11.99 06/02/1963 6.46 05/28/1964 7.13 05/05/1965 7.95 07/13/1966 3.71 06/05/1967 4.98 05/13/1968 5.97 05/04/1969 6.09 04/17/1970 6.41 04/17/1971 6.04 05/20/1972 7.66 07/21/1973 5.48 Duration: 60 days 05/13/1907 12.79 05/13/1908 6.42 05/23/1909 7.50 08/06/1910 4.08 10/25/1911 3.76 07/27/1912 7.23 05/13/1913 5.70 04/17/1914 4.32 06/04/1915 11.53 05/12/1916 6.50 04/10/1917 5.08 06/17/1918 6.74 09/28/1919 4.74 04/16/1920 11.28 05/08/1921 5.01 05/26/1922 11.37 08/04/1923 10.09 08/15/1924 4.42 05/15/1925 7.03 05/05/1926 6.44 04/03/1927 9.82 06/04/1928 6.37 04/06/1929 6.55 04/14/1930 3.79 05/04/1931 2.75 04/16/1932 11.64 04/09/1933 10.69 05/31/1934 3.89 05/01/1935 6.28 07/26/1936 2.86 05/21/1937 12.00 04/05/1938 4.38 05/23/1939 5.98 04/27/1940 6.47 04/13/1941 14.07 04/23/1942 11.48 05/30/1943 7.93 04/30/1944 9.88 05/09/1945 6.67 04/30/1946 12.15 05/14/1947 8.31 04/09/1949 3.69 03/18/1950 4.91 05/13/1951 6.42 05/15/1952 5.78 04/24/1953 7.26 05/21/1954 7.23 07/23/1955 4.72 04/27/1956 4.78 05/12/1957 6.72 05/26/1958 7.14 05/04/1959 4.84 08/06/1960 3.81 06/11/1961 4.08 05/16/1962 14.28 04/27/1963 7.26 05/02/1964 8.42 05/05/1965 9.54 08/12/1966 4.89 04/30/1967 5.96 06/04/1968 8.09 04/26/1969 8.11 04/11/1970 8.05 04/17/1971 7.43 06/09/1972 9.87 08/12/1973 6.58