Country= U.S.A. Station= ROCKVILLE NEBR River= MIDDLE LOUP RIVER Area= 13752.08 Lat= 41.11 Lon= -98.84 Source= USGS PointID= 6780000 Area Units= km2 Discharge Units= m3/sec Starting Year= 1938 Ending Year= 1994 Total Years= 57 Total Usable Years= 54 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1938 0.01 0 0.46 0.2 2.89 0.35 0.74 0.25 0.33 1.23 0.16 0.11 0.56 1939 0.08 0.03 0.29 14.69 1.86 0.49 0.31 0.06 0 1.05 0.9 0.11 1.66 1940 0.04 0.03 0.06 0.58 0.66 1.28 0.18 1.93 0.04 0.02 0.01 0.06 0.41 1941 0.06 0.03 0.04 0.67 5.14 1.35 0.73 0.08 0.89 0.83 1.37 0.43 0.97 1942 0.1 0.06 0.21 8.88 2.72 0.98 0.56 0.38 0.23 0.25 0.41 0.08 1.24 1943 0.06 0.03 0.26 37.33 44.33 21.94 13.77 5.61 1.59 0.46 0.52 0.24 10.51 1944 3.73 4.53 3.86 4.7 4.75 6.06 14.25 3.92 3.56 3.2 3.62 2.88 4.92 1945 2.34 2.57 8.23 5.27 1.87 2.02 1.1 0.78 0.26 0.42 0.53 0.44 2.15 1946 0.35 0.29 2.61 6.05 3.4 1.18 0.71 0.18 0.38 1.11 1.49 2.71 1.71 1947 0.6 0.15 0.92 23.76 22.75 7.09 9.97 9.57 2.3 1.24 0.66 0.55 6.63 1948 0.48 0.34 1.43 21.68 49.3 37.37 10.02 4.37 3.23 2.09 1.3 0.42 11 1949 0.26 0.15 6.62 54.2 17.14 6.76 2.13 1.12 0.57 1.27 4.57 1.94 8.06 1950 0.61 1.08 1.13 15.27 44.58 15.08 6.41 2.38 1.24 1.58 3.18 4.06 8.05 1951 4.03 2.5 1.29 35.05 40.9 36.17 5.65 2.52 2.02 2.54 4.8 4.22 11.81 1952 3.34 3.07 1.64 22.92 9.06 2.34 4.38 1.16 2.46 1.12 1.36 0.78 4.47 1953 0.66 0.77 1.93 3.74 11.51 22.57 45.75 15.49 4 4.51 2.88 4.2 9.83 1954 3.12 5.99 7.71 8.18 6.81 13.08 13.95 4.74 5.11 4.52 4 2.4 6.63 1955 1.84 1.58 3.39 32.52 45.13 31.64 12.78 9.2 6.58 3 2.29 1.33 12.61 1956 1.03 1 3.58 25.89 39.9 16.4 8.46 5.4 3.62 3.11 3.15 1.72 9.44 1957 1.35 1.04 2.69 3.06 4.4 4.1 1.47 2.77 2.89 0.93 1.33 1.09 2.26 1958 0.83 0.84 1.31 5.24 4.36 1.97 1.97 0.7 0.48 0.74 0.94 0.57 1.66 1959 0.66 0.62 2.67 1.65 1.24 3.12 1.11 0.53 0.65 1.22 0.64 0.61 1.23 1960 0.55 0.38 1.57 21.5 12.58 4.23 1.43 1.34 0.82 0.87 0.95 0.42 3.89 1961 0.38 0.38 1.14 0.57 2.54 0.91 0.41 0.3 1.7 0.37 0.57 0.33 0.8 1962 0.15 0.12 0.13 1.54 1.94 1.94 0.93 2.86 0.34 0.18 0.33 0.58 0.92 1963 0.14 0 0.15 0.31 0.19 11.84 1.67 1.51 0.25 0.23 0.64 0.25 1.43 1964 0.09 0.09 0.17 0.44 4.99 3.94 3.21 0.32 0.81 0.53 0.45 0.31 1.28 1965 0.21 0.15 0.26 4.41 6.58 15.68 8.3 3.89 2.46 2.38 1.96 1.38 3.97 1966 0.97 0.89 1.55 10.35 11.58 2.74 2.69 0.59 0.34 1.51 0.97 0.2 2.87 1967 0.13 0.14 1.57 5.42 10.16 3.09 1.48 1.17 4.92 0.54 0.67 0.21 2.46 1968 0.17 0.22 1.13 0.49 0.46 1.39 1.44 2.2 1.84 0.83 0.77 0.32 0.94 1969 0.16 0.15 0.08 44.31 96.24 14.81 15.09 7.54 3.97 4.71 3.73 2.45 16.1 1970 1.68 1.85 1.72 7.18 71.7 57.12 16.75 6.95 2.56 1.41 2.3 1.7 14.41 1971 1.68 1.58 3.43 17.36 25.95 6.47 9.68 6.48 3.03 2.85 2.85 2.12 6.96 1972 1.72 1.53 13.41 58.51 23.75 18.71 7.83 4.27 4.62 5 3.68 1.65 12.06 1973 1.78 1.72 1.65 1.73 4.55 3.97 1.42 0.45 1.54 0.62 0.53 0.42 1.7 1974 0.23 0.22 9.38 33.85 80.26 45.61 8.85 1.9 2.37 2.17 2.17 1.65 15.72 1975 1.18 0.84 1.3 15.07 135.38 79.88 25.77 7.73 8.16 7.22 6.19 4.86 24.47 1976 4.94 6.99 25.19 160.43 129.54 28.34 22.92 14.81 5.28 1.99 1.68 1.91 33.67 1977 1.07 1.04 1.28 0.47 4.5 1.94 0.89 0.3 0.66 0.98 0.65 0.45 1.19 1978 0.43 0.29 1.72 15.07 7.94 4.93 4.79 8.49 2.85 1.35 1.5 1.25 4.22 1979 1.71 2.71 4.55 26.66 146.15 48.22 11.79 5.09 1.34 1.86 1.54 1.17 21.07 1980 0.72 0.5 0.4 2.47 0.85 2.14 0.73 1.19 1.42 1.44 2.06 1.02 1.24 1981 0.84 2.53 5.88 1.66 2.46 2.35 0.76 0.67 0.53 0.54 0.85 0.6 1.64 1982 0.36 0.18 3.67 36.15 35.29 16.45 7.85 1.8 1.12 5 2.58 2.23 9.39 1983 1.48 3.08 19.64 41.47 28.21 12.07 6.97 1.83 1.01 1.42 2.03 0.97 10.01 1984 0.63 1.4 3.54 9.31 19.09 4.18 1.17 1.08 0.75 1.73 1.1 0.31 3.69 1985 0.22 0.21 7.07 6.43 7.25 3.46 1.4 1.25 1.42 2.23 1.79 1.39 2.84 1986 1.61 1.32 9.64 6.71 9.76 1.45 2.16 2.43 1.96 1.77 1.42 1.14 3.45 1987 1.03 1.19 2.98 24.86 4.45 1.69 3.48 4.83 1.57 1.61 0.76 0.29 4.06 1988 0.12 0.17 0.92 2.44 1.32 0.41 0.14 0.22 1.06 0.59 0.1 0.43 0.66 1989 0.14 0.16 0.67 1.81 3.76 1.24 0.47 0.13 0.16 0.28 0.37 0.12 0.78 1990 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1991 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1992 0.28 0.17 0.51 0.37 3.46 0.33 0.08 0.03 0.01 0.18 0.52 0.16 0.51 1993 0.07 0.03 0.08 0.27 1.07 3.18 3.02 11.31 2.63 1.37 0.87 0.32 2.02 1994 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 0.97 1.09 3.31 16.5 23.31 11.82 6.15 3.3 1.96 1.71 1.64 1.18 6.08 Std Dev 1.1 1.45 4.74 24.77 34.77 16.35 8.07 3.66 1.77 1.48 1.34 1.17 6.68