Country= U.S.A. Station= MOSBY, MT. River= MUSSELSHELL RIVER Area= 26002333.28 Lat= 46.93 Lon= -107.92 Source= USGS PointID= 6127600 Area Units= km2 Discharge Units= m3/sec Starting Year= 1925 Ending Year= 1993 Total Years= 69 Total Usable Years= 66 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1925 8.66 103.99 51.44 186.67 41.22 210.37 24.54 41.08 129.28 184.98 89.91 73.9 95.5 1926 108.72 179.77 67.23 176.19 21.83 245.38 25.36 19.45 795.49 443.72 44.57 52.12 181.65 1927 21.74 96.98 88.95 682.21 95.46 201.45 22.82 23.09 9.25 208.98 16.29 10.79 123.17 1928 17.36 127.08 33.86 59.2 14.84 298.17 186.65 88.5 336.84 153.38 786.73 136.31 186.58 1929 59.54 115.41 615.51 599.96 127.95 543.12 218.61 13.68 19.52 82.89 89.26 17.96 208.62 1930 10.47 141.31 56.64 45.68 151.46 78.71 26.59 7.7 7.72 6.25 6.54 16.66 46.31 1931 3.73 4.94 40.16 169.63 42.57 119.65 12.8 9.47 144.54 167.05 822.09 204.17 145.07 1932 417.58 86.91 90.48 98.07 41.78 170 38.54 239.71 23.83 13.95 25.23 69.98 109.67 1933 45.23 24.41 34.5 54.54 113.49 15.74 11 60.69 51.28 13.57 4 4.88 36.11 1934 4.43 3.62 7.42 25.16 9.95 8.71 1.49 6.06 35.94 29.56 207.5 97.57 36.45 1935 53.56 87.66 82.97 47.08 672.55 797.49 119.04 9.89 17.82 4.93 32.04 13.67 161.56 1936 10.16 182.35 136.6 18.99 50.56 9.07 2.04 1.16 41.1 54.04 5.39 4.78 43.02 1937 44.15 406.55 192.47 46.69 135.85 46.71 80.02 13.95 2.64 1.93 2.01 2.4 81.28 1938 2.88 3.7 6.06 22.77 32.09 45.91 3.57 26.75 12.19 1.64 2.96 1.55 13.51 1939 1.6 1.62 167.67 117.68 8.94 231.28 59.1 58.45 3.38 2.26 2.64 1.89 54.71 1940 0.91 4.03 63.81 25.54 62.41 30.32 28.02 142.73 8.72 3.15 3.93 4.6 31.51 1941 40.38 71.57 27.92 46.35 28.23 253.42 17.52 3.17 36.17 178.64 209.94 132.17 87.12 1942 97.47 227.93 278.9 87.22 174.14 565.08 73.23 36.3 24.73 17.14 59.98 165.63 150.65 1943 51.14 89.41 45.35 43.63 254.32 685.26 52.6 66.36 13.72 5.99 5.53 4.65 109.83 1944 11.17 18.87 142.51 646.31 291.3 177.62 16.27 116.41 29.31 36.01 39.84 154.54 140.01 1945 33.93 127.34 308.58 409.66 512.72 563.95 82.27 11.87 27.78 46.48 10.27 24.37 179.94 1946 402.37 42.59 292.58 89 186.33 90.24 61.93 27.94 15.69 29.51 17.88 33.35 107.45 1947 21.5 15.02 168.63 535.17 192.98 1904.98 146.14 9.76 11.18 7.22 13.8 63.43 257.48 1948 14.07 130.21 326.69 54.47 71.44 94.36 23.26 11.32 5.27 2.93 4.1 3.49 61.8 1949 35.7 280.4 198.12 89.35 27.97 233.06 86.54 41.96 47.24 28.18 9.89 10.85 90.77 1950 72.35 147.46 66.81 38.25 131.22 215.61 40.42 101.86 25.84 7.44 5.05 4.03 71.36 1951 3.59 91.05 116.04 238.5 312.35 477.06 408.91 67.75 66.23 69.64 96.99 26.96 164.59 1952 50.2 43.17 414.81 185.6 106.86 144.92 29.94 23.5 24.06 3.24 14.11 13.58 87.83 1953 7.98 42.38 105.77 233.05 187.44 50.78 15.53 3.76 1.87 1.54 1.73 2.32 54.51 1954 1.3 2.83 5.31 37.92 62.03 118.4 2.67 18.17 4.71 83.51 4.67 3.38 28.74 1955 25.58 195.48 93.86 52.28 61.36 61.02 56.53 6.03 1.77 19.38 1.68 1.5 48.04 1956 1.08 2.98 3.18 1.91 3.69 10.22 91.66 118.37 4.02 1.05 1.14 1.68 20.08 1957 1.29 2.1 2.25 91.92 70.95 44.66 20.61 7.76 6.53 33.27 15.9 41.73 28.25 1958 9.77 88.69 110.8 37.63 137.66 67.14 651.33 229.56 56.87 125.62 183 23.46 143.46 1959 11.47 215.13 321.96 264.6 223.51 150.67 52.59 162.18 149.68 250.2 27.76 89.95 159.98 1960 257.79 119.2 254.29 473.64 295 215.01 283.16 87.01 50.28 31.2 73.35 20.91 180.07 1961 10 104.95 494.66 303.8 169.51 72.25 125.98 54.96 443.8 244.58 765.36 68.7 238.21 1962 177.83 545.16 392.21 57.93 111.24 196.98 49.69 15.21 14.86 75.13 24.84 12.42 139.46 1963 8.09 31.43 285.38 65.2 145.28 24.96 33.74 9.53 9.12 4.02 5.58 2.94 52.11 1964 3.23 5.23 9.14 137.92 51.15 250.22 64.88 8.58 185.55 15.26 15.23 22.36 64.06 1965 193.03 130.07 264.41 329.55 93.98 66.69 184.75 12.04 405.15 38.26 18.87 54.65 149.29 1966 45.18 43.41 32.73 35.09 83.41 112.57 36.31 19.74 4.9 9.11 3.97 4.11 35.88 1967 6.33 14.59 19.81 275.78 59.81 755.46 108.56 16.07 9 110.86 92.51 28.05 124.74 1968 35.3 38.52 20.27 253.65 53.3 22.32 40.71 59.1 11.44 18.83 26.5 30.67 50.88 1969 104.01 153.32 74.59 285.63 195.92 161.14 573 38.83 174.78 96.32 74.41 19.69 162.64 1970 21.15 23.95 29.93 176.28 207.45 126.32 10.34 81.43 447.88 187.72 91.66 85.4 124.13 1971 34.75 222.57 172.11 38.32 81.63 23.92 18.98 7.18 4.16 3.56 36.83 77.53 60.13 1972 26.31 28.09 38 75.45 224.07 33.92 39.23 24.27 113.51 14.99 145.67 78.66 70.18 1973 291.98 382.68 725.06 755.61 507.01 88.7 134.28 52.28 241.49 584.15 96.06 173.87 336.1 1974 275.31 110.29 104.68 76.77 232.94 320.86 52.28 25.12 14.5 11.92 72.34 27.67 110.39 1975 49.64 89.48 140.89 211.84 107.91 156.98 20.22 6.84 32.88 4.31 8.19 59.88 74.09 1976 12.48 40.1 142.08 367.58 137.41 45 9.45 13.98 3.28 4.43 3.35 3.3 65.2 1977 1.29 6.31 22.7 34 34.53 9.66 11.92 78.45 237.28 375.33 255.77 48.16 92.95 1978 17.09 11.33 466.59 610.65 453.15 120.32 77.25 67.43 216.84 18.78 69.15 37.25 180.49 1979 23.37 55.22 969.01 218.09 138.34 61.66 70.33 27.09 17.83 8.68 14.37 6.63 134.22 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 60.86 286.88 325.8 150.68 459.99 548.7 165.07 163.71 201.35 111.56 117.84 437.21 252.47 1983 101.54 153.3 182.6 446.55 191.51 57.85 42.44 6.82 4.43 5.94 85.91 74.99 112.82 1984 53.83 124.2 257.58 425 316.63 595.03 49.25 10.19 5.55 24.66 93.02 53.24 167.35 1985 22.92 281.48 224.65 27.5 32.2 33.12 10.42 18.5 25.56 437.16 209.94 59.92 115.28 1986 72.14 97.65 130.54 187.43 331.31 58.87 420.91 60.78 206.59 380.91 58.11 216.96 185.18 1987 40.07 45.25 294.37 195.13 169 68.37 363.47 260.34 52.27 10.66 79.49 182.38 146.73 1988 40.02 90.32 40.34 51.75 13.51 4.99 4.09 9.38 3.47 1.38 2.4 2.42 22.01 1989 2.98 2.34 7.47 6.81 14.56 10.75 6.81 57.52 135.36 10.61 10.78 4.53 22.54 1990 18.07 44.7 252.6 152.92 379.04 396.82 158.3 37.85 9.61 13.77 14.2 15.12 124.42 1991 29.69 129.58 181.77 473.88 458.19 107.33 91.98 8.01 4.76 12.33 21.32 68.51 132.28 1992 64.49 147.89 212.07 463.13 49.03 27.95 342.46 83.82 312.02 33.5 355.41 415.64 208.95 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 57.63 105.52 174.76 195.79 158.45 208.11 96.82 49.22 87.75 79.08 87.98 59.21 113.36 Std Dev 88.23 105.71 180.99 190.52 144.45 287.14 132.45 57.45 141.9 123.9 168.56 84.25 66.8