Country= U.S.A. Station= HOLTER DAM, NR WOLF CREEK, MT. River= MISSOURI RIVER Area= 25976424.46 Lat= 46.99 Lon= -112.01 Source= USGS PointID= 6066500 Area Units= km2 Discharge Units= m3/sec Starting Year= 1915 Ending Year= 1987 Total Years= 73 Total Usable Years= 30 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1915 1.42 1.13 28.32 62.3 18.35 20.48 39.42 12.27 7.62 10.18 6.15 4.16 17.65 1916 3.74 37.67 152.16 147.41 14.24 59.9 112.7 15.25 8.08 13.01 7.03 4.58 47.98 1917 2.27 2.55 4.53 386.6 116.78 31.38 3.08 1.84 1.92 4.8 6.06 2.83 47.05 1918 40.68 22.9 195.39 211.92 15.81 2.63 0.84 24.51 2.3 3.76 3.62 2.84 43.93 1919 2.22 3.38 2.58 83.55 5.95 0.08 1.01 0.18 1.74 0.43 1.88 1.42 8.7 1920 0.85 0.42 75.75 72.37 81.79 48.68 16.14 6.05 5.56 2.98 3.88 1.29 26.31 1921 0.63 1.24 31.17 27.47 23.55 34.09 29.55 2.84 1.93 1.46 2.83 1.93 13.22 1922 1.37 0.62 8.93 200.98 98.22 19.56 11.77 8.02 4.51 3.22 3.97 3.32 30.37 1923 2.8 2.34 24.28 28.94 2.94 186.15 129.04 16.39 13.12 7.08 7.24 2.44 35.23 1924 2.29 2.03 5.72 53.33 10.07 55.71 9.58 7.23 1.76 21.45 4.51 5.32 14.92 1925 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1926 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1927 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1928 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1929 1.7 1.42 40.49 36.25 35.77 39.98 5.51 1.98 3.74 5.01 6.66 2.54 15.09 1930 1.02 23.5 63.15 69.83 7.57 0.91 1.11 1.17 3.58 4.34 2.92 2.32 15.12 1931 2.12 7.08 3.66 1.25 0.07 0.08 0.21 0.65 0.37 0.37 1.62 0.73 1.52 1932 0.57 2.55 15.83 24.73 10.1 59.55 3.1 5.39 4.62 2.61 3.25 2.3 11.22 1933 2.05 1.12 14 10.75 29.56 6.32 4.42 31.11 9.74 1.85 5.76 1.71 9.87 1934 2.25 61.12 48.22 24.07 0.69 10.33 1.36 1.58 1.78 1.85 3.68 1.87 13.23 1935 1.12 3.14 74.14 39.63 5.23 2.61 25.87 1.25 0.65 2.27 3.1 1.95 13.41 1936 2.1 2.09 36.11 74.9 2.94 0.59 0.3 0.17 0.52 0.27 2.07 1.34 10.28 1937 0.73 1.33 8.62 30.56 0.19 28.69 6.11 0.29 1.12 9.05 2.82 1.87 7.61 1938 1.13 1.06 75.15 36.15 13.8 41.81 63.54 2.92 12.22 4.78 6.79 4.98 22.03 1939 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1940 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1941 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1942 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1943 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1944 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1945 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1946 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1947 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1948 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1949 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1950 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1951 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1952 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1953 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1954 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1955 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1956 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1957 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1958 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1959 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1960 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1961 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1962 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1963 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1964 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1965 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1966 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1967 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1968 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1969 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1970 3.3 3.84 12.57 40.5 74.14 56.7 17.11 8.72 2.9 1.91 5.8 4.45 19.33 1971 4.5 23.69 27.18 50.95 14.26 8.09 2.75 1.15 2.87 3.49 4.66 3.38 12.25 1972 2.85 3.01 37.78 6.64 7.75 46.4 7.39 7.37 6.58 7.09 5.27 2.76 11.74 1973 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1974 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1975 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1976 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1977 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1978 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1979 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1980 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1981 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1982 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1983 5.86 11.62 6.85 4.02 5.9 0.67 19.31 0.23 1.41 2.76 3.04 1.52 5.27 1984 2.69 3.59 2.31 0.51 0.53 0.05 0.16 0.59 1.02 1.17 1.34 1.56 1.29 1985 1.37 1.77 1.22 0.04 0.06 2.46 0.13 1.87 0.16 4.48 3.02 1.42 1.5 1986 3.91 7.18 149.61 5.36 100.97 20.37 7.26 1.01 37.39 131.44 18.69 12.93 41.34 1987 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 3.61 8.64 42.43 64.11 25.82 29.05 19.21 6 5.16 9.37 4.73 2.95 18.42 Std Dev 7.37 13.76 49.68 83.29 34.42 37.32 32.15 7.69 7.22 24.35 3.23 2.29 13.62