Country= U.S.A. Station= SPENCER, NEBR. River= NIOBRARA RIVER Area= 31337.14 Lat= 42.81 Lon= -98.65 Source= USGS PointID= 6465000 Area Units= km2 Discharge Units= m3/sec Starting Year= 1904 Ending Year= 1994 Total Years= 91 Total Usable Years= 67 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1904 1.13 1.13 2.47 37.72 29.55 11.9 6.13 2.49 2.41 2.64 2.58 1.7 8.49 1905 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1906 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1907 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1908 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1909 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1910 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1911 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1912 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1913 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1914 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1915 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1916 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1917 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1918 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1919 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1920 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1921 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1922 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1923 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1924 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 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 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1930 0.49 1.75 23.74 19.13 7.62 3.51 1.35 0.76 0.67 0.65 0.93 0.65 5.1 1931 0.36 1.45 3.47 6.46 2.4 3.32 0.88 0.61 0.52 0.59 1.12 0.98 1.85 1932 0.72 0.59 6.34 15.61 4.07 3.63 1.69 0.86 0.6 0.6 0.98 0.59 3.02 1933 0.45 0.44 11.77 11.37 5.01 1.93 1.12 0.5 0.34 0.34 0.49 0.38 2.85 1934 0.28 0.38 1.84 5.68 1.59 0.71 0.42 0.27 0.25 0.48 0.46 0.28 1.05 1935 0.26 0.43 3.37 5.05 3.01 2.64 3.07 3.87 0.97 0.75 0.51 0.55 2.04 1936 0.46 0.41 1.5 8.74 5.67 1.56 0.64 0.21 0.24 0.28 0.35 0.21 1.69 1937 0.22 0.15 1.04 5.53 2.88 2.92 1.04 0.63 0.6 0.38 0.47 0.32 1.35 1938 0.34 0.37 2.65 3.29 2 1.12 0.55 1.16 0.48 0.34 0.43 0.34 1.09 1939 0.32 0.29 2.97 7.33 1.75 1.57 0.76 0.32 0.26 0.35 0.49 0.43 1.4 1940 0.18 0.16 0.19 5.95 3.44 1.25 0.42 0.31 0.25 0.31 0.45 0.37 1.11 1941 0.36 0.36 0.92 29.4 6.52 6.19 3.2 1.37 1.5 2.09 1.85 1.45 4.6 1942 0.69 0.64 1.31 18.81 11.49 8.45 3.11 2.19 3.09 1.82 1.6 1.03 4.52 1943 0.94 1.03 7.62 46.89 10.51 21.77 7.7 3.74 1.78 1.16 1.68 1.19 8.83 1944 0.78 0.9 1.1 6.29 7.4 7.1 5.16 4.67 5.25 2.23 2.62 1.72 3.77 1945 1.26 1.33 15.66 12.92 5.34 4.53 2.23 1.79 1.07 1.05 1.07 0.75 4.08 1946 0.82 0.72 9.42 19.47 4.29 3.25 2.51 2.1 1.19 2.17 1.65 1.18 4.06 1947 1.08 1.14 2.03 36.15 6.75 6.55 3.23 1.64 0.91 0.97 1.83 1.35 5.3 1948 0.91 0.85 1.12 41.06 46.11 7.71 4.24 2.93 1.54 0.98 1.49 1.1 9.17 1949 0.79 0.63 3.36 32.77 14.7 5.49 3.92 2.42 0.77 0.94 1.2 1.28 5.69 1950 0.83 0.78 3.7 43.66 75.15 50.55 12.57 5.35 1.75 1.49 1.84 1.54 16.6 1951 1.42 1.42 1.92 20.07 15.67 5.43 3.75 1.75 1.95 1.78 2.61 1.56 4.94 1952 1.29 1.64 1.93 27.48 3.53 2.12 6.34 1.23 1.13 1.24 1.33 1 4.19 1953 0.95 1.22 3.66 3.06 4.46 13.44 8.1 1.86 0.97 1.21 1.55 1.67 3.51 1954 2.06 3.16 4.07 6.8 3.31 2.84 9.67 2.31 2.02 1.82 2.8 2.63 3.62 1955 2.29 1.43 1.64 10.66 3.12 7.97 8.35 3.8 0.9 1.08 0.7 0.55 3.54 1956 0.54 0.52 0.96 7.69 17.48 8.63 3.5 1.52 0.81 0.77 1.23 1.58 3.77 1957 1.13 1.19 3.4 4.06 2.74 3.25 2.94 2.28 8.22 3.87 4.85 3.7 3.47 1958 3.13 2.7 5.69 5.51 2.76 2.22 3.72 1.66 1.11 1.09 1.27 1.17 2.67 1959 1.19 1.02 2.09 3.43 1.53 2.63 2.2 0.94 0.95 1.01 0.79 1.21 1.58 1960 1.14 1.23 1.65 30.35 5.41 5.86 2.41 1.01 1.31 0.93 1.32 1.69 4.53 1961 1.96 1.79 4.2 2.69 2.36 1.35 0.92 0.67 0.86 1.27 0.93 0.72 1.64 1962 0.69 1 1.85 21.89 9.01 11.87 31.07 7.76 2.93 2.27 2.57 2.75 7.97 1963 1.94 1.72 3.06 6.57 3.52 3.58 1.71 1.33 1.07 1.01 1.3 1.31 2.34 1964 0.9 1.4 1.58 5.6 2.76 3.02 7.96 1.59 1.64 1.46 2.23 1.68 2.65 1965 1.84 1.89 2.13 39.9 16.52 7.98 5.11 7.83 2.85 5.49 4.03 4.01 8.3 1966 3.35 2.84 25.12 42.06 14.82 9.34 6.13 7.84 3.05 2.17 1.46 2.56 10.06 1967 2.71 2.68 9.74 28.1 22.58 7.72 2.86 1.51 1.28 1.01 1.19 1.49 6.91 1968 1.57 1.64 4.61 7.74 6.25 9.72 3.26 1.33 1.34 1.41 2.01 1.85 3.56 1969 1.9 4.95 8.06 50.67 31.82 7.99 9.18 2.56 1.72 1.81 1.77 1.76 10.35 1970 1.96 2.45 5.59 17.9 14.29 16.94 5.8 1.65 1.15 1.12 1.6 1.41 5.99 1971 1.57 1.77 10.15 17.86 14.75 8.88 9.34 1.93 1.94 2.44 3.72 4.76 6.59 1972 4.31 3.07 11.6 28.81 14.52 12.55 3.23 2.35 1.55 1.62 1.72 1.58 7.24 1973 1.67 2.66 7.58 4.39 2.11 1.74 0.97 0.91 1.36 1.62 1.47 1.69 2.35 1974 1.18 3.49 8.87 26.74 24.37 21.15 2.94 1.8 1.22 1.13 1.63 1.58 8.01 1975 1.96 2.14 3.24 20.8 33.29 16.69 38.45 6.06 3.06 2.92 3.26 3.14 11.25 1976 3.05 5.97 9.34 18.64 9.37 3.06 1.74 0.84 0.21 0.78 0.54 0.26 4.48 1977 0.24 0.46 2.37 3.14 3.33 1.14 1.17 0.63 1.04 1.71 1.66 1.69 1.55 1978 1.31 2.61 12.04 31.21 8.92 4.08 2.94 1.35 3.45 2.25 2.32 1.32 6.15 1979 1.23 1.42 3.4 45.06 58.52 11.42 5.91 4.66 2.36 2.06 6.82 1.93 12.07 1980 1.28 1.42 4.17 12.39 1.87 2.55 1.84 1.24 3.93 3.82 4.15 2.1 3.4 1981 1.08 1.3 3.16 6.53 3.18 3.99 5.28 1.75 1.01 4.59 5.34 1.12 3.19 1982 0.69 0.88 3.82 35.88 11 7.1 5.42 3.32 1.05 4.46 6.62 5.28 7.13 1983 4.17 2.58 30.21 30.73 8.49 8.84 11.89 1.7 2.73 3.53 5.54 4 9.53 1984 3.99 3.21 7.79 39.22 15.57 7.45 2.67 0.82 1.34 3 2.66 2.19 7.49 1985 2.05 1.45 5.43 7.78 6.42 4.02 1.76 1.45 1.93 1.82 2.08 4.09 3.36 1986 4.56 4.73 13.77 20.38 21.98 5.39 3.94 4.35 3.28 2.93 3.02 6.43 7.9 1987 4.98 3.31 31.81 49.76 10.25 7.12 2.34 10.05 2.75 3.36 3.48 3.86 11.09 1988 3.69 4.09 7.89 4.31 2.59 1.85 0.76 0.6 0.78 0.98 1.11 0.89 2.46 1989 1.2 1.41 3.18 21.08 2.8 2.46 1.16 1.07 1.5 1.65 2.05 0.88 3.37 1990 0.63 0.73 1.95 2.58 1.53 2.28 1.22 0.62 1.46 1.6 0.89 0.63 1.34 1991 0.68 0.92 1.94 1.85 1.82 1.5 1.81 0.77 0.97 0.53 0.78 1.63 1.27 1992 1.98 1.96 14.33 6.32 3.12 2.97 3.01 1.6 1.69 1.59 1.53 0.98 3.42 1993 1.98 2.89 7.01 22.14 7.32 9.71 36.01 62.82 15.07 6.95 4.53 6.38 15.23 1994 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 1.49 1.67 6.24 18.76 10.9 6.76 5.18 3.16 1.84 1.75 2.01 1.76 5.12 Std Dev 1.15 1.22 6.65 14.25 13.4 7.2 7.2 7.73 2.09 1.29 1.47 1.39 3.46