Results
| Country: | U.S.A.
| | Station: | TOSTON, MT. | | River: | MISSOURI RIVER | | Area: | 25976421.87 | | Lat: | 46.14 | | Lon: | -111.42 | | Source: | USGS | | PointID: | 6054500 | | Area Units: | km2 | | Discharge Units: | m3/sec | | Starting Year: | 1890 | | Ending Year: | 1996 | | Total Years: | 107 | | Total Usable Years: | 66 | |
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| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
|---|
| 1890 | -9999 | -9999 | -9999 | 117.01 | 376.93 | 336.23 | 151.77 | 73.4 | 63.83 | 72.55 | 79.7 | 72.75 | -9999 |
| 1891 | 61.31 | 68.24 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1892 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1893 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1894 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1895 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1896 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1897 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1898 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1899 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1900 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1901 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1902 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1903 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1904 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 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 | 98.93 | 108.22 | 92.03 | -9999 |
| 1911 | 72.16 | 87.02 | 118.58 | 135.64 | 217.44 | 532.75 | 138.67 | 69.52 | 76.86 | 97.7 | 98.32 | 76.43 | 143.42 |
| 1912 | 87.78 | 104.06 | 86.59 | 156.23 | 309.6 | 580.97 | 184.37 | 156.7 | 151.19 | 153.63 | 141.88 | 107.56 | 185.05 |
| 1913 | 68.9 | 84.75 | 110.78 | 232.97 | 398.3 | 618.16 | 218.21 | 146.89 | 106.08 | 141.15 | 142.49 | 106.25 | 197.91 |
| 1914 | 104.07 | 112.14 | 123.11 | 179.17 | 368.58 | 352.02 | 116.88 | 63.34 | 81.65 | 142.92 | 122.62 | 80.78 | 153.94 |
| 1915 | 77.43 | 147.72 | 140.76 | 196.68 | 238.37 | 305.72 | 192.52 | 122.55 | 139.16 | 121.13 | 120.57 | 110.13 | 159.39 |
| 1916 | 70.79 | 127.43 | 195.39 | 195.21 | 294.17 | 450.42 | 325.2 | 128.38 | 122.38 | 127.61 | 117.9 | 122.61 | 189.79 |
| 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 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1931 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1932 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1933 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1934 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1935 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1936 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1937 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1938 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 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 | 119.44 | 182.87 | 62.7 | 64.78 | 99.19 | 124.49 | 121.13 | 113.28 | -9999 |
| 1942 | 84.4 | 94.97 | 113.27 | 246.78 | 286.39 | 448.75 | 131.87 | 51.43 | 75.78 | 92.05 | 115.05 | 108.01 | 154.06 |
| 1943 | 87.84 | 131.84 | 149.75 | 245.1 | 265.91 | 547.75 | 220.73 | 97.67 | 87.96 | 103.3 | 116.3 | 107.31 | 180.12 |
| 1944 | 103.75 | 99.13 | 99.34 | 104.68 | 128.66 | 391.76 | 196.89 | 83.01 | 93.41 | 95.57 | 104.01 | 91.44 | 132.64 |
| 1945 | 109.2 | 105.55 | 92.65 | 91.95 | 147.42 | 271.62 | 123.43 | 70.39 | 82.6 | 98.31 | 104.94 | 95.45 | 116.13 |
| 1946 | 100.52 | 106.02 | 119.4 | 170.14 | 215.2 | 207.12 | 107.77 | 69.71 | 102.54 | 119.69 | 126.9 | 127.57 | 131.05 |
| 1947 | 103.64 | 104.84 | 145.65 | 214.06 | 367.28 | 419.85 | 161.58 | 84.24 | 111.77 | 138.31 | 133.35 | 128.8 | 176.11 |
| 1948 | 112.79 | 108.33 | 127.68 | 237.3 | 411.98 | 577.38 | 183.18 | 100.81 | 98.79 | 120.28 | 124.21 | 108.71 | 192.62 |
| 1949 | 90.8 | 97.89 | 124.98 | 233.03 | 288.22 | 248.08 | 83.7 | 60.08 | 94.19 | 107.48 | 112.49 | 95.14 | 136.34 |
| 1950 | 84.95 | 103.51 | 111.17 | 140 | 152.34 | 337.09 | 171.45 | 93.39 | 112.58 | 133.28 | 131.03 | 123.04 | 141.15 |
| 1951 | 95.27 | 109.6 | 114.93 | 158.97 | 311.9 | 261.72 | 107.83 | 92.46 | 105.14 | 117.68 | 119.61 | 92.72 | 140.65 |
| 1952 | 88.92 | 111.4 | 119.4 | 237.59 | 416.53 | 339.45 | 146.16 | 81.08 | 102.23 | 104.28 | 117.69 | 116.96 | 165.14 |
| 1953 | 115.31 | 100.85 | 98.06 | 106.97 | 130.35 | 431.65 | 133.97 | 65.78 | 84.51 | 116.89 | 128.15 | 101.79 | 134.52 |
| 1954 | 83.64 | 107.71 | 93.1 | 108.11 | 142.61 | 173.95 | 116.15 | 63.82 | 72.99 | 103.36 | 114.66 | 79.74 | 104.99 |
| 1955 | 76.81 | 74.99 | 80.27 | 101.76 | 160.46 | 241.32 | 147.96 | 53.55 | 69.44 | 92.51 | 111.86 | 105.91 | 109.74 |
| 1956 | 103.71 | 77.68 | 133.72 | 184.18 | 334.44 | 302.5 | 80.32 | 59.87 | 79.61 | 106.16 | 139.3 | 93.25 | 141.23 |
| 1957 | 69.76 | 95.92 | 103.16 | 117.32 | 269.74 | 342.99 | 106.91 | 50.26 | 81.3 | 126.71 | 141.71 | 109.4 | 134.6 |
| 1958 | 92.54 | 100.12 | 101.06 | 125.55 | 257.05 | 240.96 | 104.85 | 60.58 | 73.05 | 110.67 | 122.68 | 103.68 | 124.4 |
| 1959 | 87.11 | 79.55 | 109.7 | 133.57 | 140.99 | 329.91 | 127.45 | 46.21 | 71.79 | 168.14 | 185.48 | 169.01 | 137.41 |
| 1960 | 93.9 | 107.62 | 160.73 | 199.21 | 205.75 | 200.88 | 50.04 | 48.13 | 67.98 | 81.43 | 104.06 | 91.5 | 117.6 |
| 1961 | 84.06 | 95.92 | 85.27 | 67.62 | 88.54 | 146.63 | 39.32 | 30.36 | 83.56 | 140.7 | 148.61 | 86.57 | 91.43 |
| 1962 | 70.57 | 99.98 | 106.9 | 180.62 | 221.11 | 305.02 | 124.14 | 80 | 102.38 | 134.28 | 145.5 | 115.96 | 140.54 |
| 1963 | 80.56 | 137.95 | 100.83 | 111.84 | 219.55 | 393.04 | 125.48 | 55.56 | 97.1 | 113.9 | 138.45 | 91.66 | 138.83 |
| 1964 | 91.61 | 93.29 | 95.86 | 118.37 | 216.48 | 505.93 | 192.27 | 73.4 | 104.27 | 115.28 | 141.55 | 106.65 | 154.58 |
| 1965 | 117.92 | 116.17 | 106.15 | 185.53 | 281.89 | 508.95 | 278.33 | 111.31 | 133 | 160.58 | 180.23 | 115.29 | 191.28 |
| 1966 | 106 | 106.5 | 109.98 | 124.14 | 124.86 | 113.17 | 55.59 | 35.26 | 57.52 | 115.07 | 135.9 | 92.91 | 98.08 |
| 1967 | 96.36 | 95.62 | 90.92 | 100.48 | 262.14 | 604 | 212.49 | 67.55 | 94.49 | 139.08 | 146.91 | 105.03 | 167.92 |
| 1968 | 103.71 | 125.11 | 128.17 | 142.26 | 212.03 | 495.36 | 165.9 | 107.31 | 141.69 | 147.82 | 153.34 | 112.42 | 169.59 |
| 1969 | 104.03 | 122.19 | 140.91 | 285.7 | 411.68 | 310.29 | 200.06 | 86.94 | 96.16 | 150.81 | 143.58 | 114.61 | 180.58 |
| 1970 | 106.12 | 109.07 | 108.34 | 123.11 | 328.61 | 531.42 | 215.04 | 85.79 | 124.81 | 152.75 | 161.26 | 119.46 | 180.48 |
| 1971 | 119.47 | 135.66 | 110.79 | 191.48 | 361.02 | 514.05 | 235.12 | 98.59 | 137.9 | 160.26 | 161.51 | 114.14 | 195 |
| 1972 | 115.87 | 128.63 | 152.46 | 189.34 | 264.49 | 455.24 | 136.35 | 86.93 | 113.89 | 163.22 | 170.04 | 103.79 | 173.35 |
| 1973 | 103.68 | 110.22 | 117.08 | 136.08 | 199.16 | 210.25 | 95.04 | 55.13 | 105.78 | 125.27 | 150.62 | 115.1 | 126.95 |
| 1974 | 102.63 | 111.53 | 125.14 | 196.3 | 248.28 | 491.11 | 149.4 | 83.22 | 97.05 | 135.3 | 127.52 | 118.02 | 165.46 |
| 1975 | 96.14 | 98.86 | 116.15 | 138.54 | 285.58 | 553.69 | 403.35 | 162.23 | 134.51 | 176.05 | 178.28 | 161.63 | 208.75 |
| 1976 | 130.53 | 120.07 | 141.49 | 249.6 | 521.16 | 426.17 | 180.87 | 115.31 | 149.32 | 191.94 | 180.13 | 131.91 | 211.54 |
| 1977 | 104.47 | 108.84 | 101.49 | 138.72 | 97.21 | 149.73 | 56.52 | 47.95 | 89.29 | 131.33 | 131.09 | 111.71 | 105.7 |
| 1978 | 104.01 | 105.38 | 149.09 | 203.5 | 272.04 | 323.31 | 194.02 | 78.98 | 132.57 | 145.78 | 138.67 | 109.22 | 163.05 |
| 1979 | 83.85 | 106.28 | 140.95 | 179.78 | 274.14 | 216.48 | 74.48 | 60.64 | 70.01 | 88.45 | 119.14 | 101.54 | 126.31 |
| 1980 | 81.72 | 104.77 | 107.88 | 165.51 | 312.56 | 373.63 | 138.31 | 67.07 | 121.74 | 132.97 | 149.3 | 128.06 | 156.96 |
| 1981 | 109.5 | 105.9 | 106.86 | 131.24 | 368.23 | 492.5 | 122.53 | 59.66 | 66.37 | 128.89 | 137.23 | 115.73 | 162.05 |
| 1982 | 93.2 | 122.7 | 126.69 | 166.61 | 327.78 | 503.48 | 289.69 | 94.83 | 137.5 | 161.92 | 168.34 | 132.45 | 193.77 |
| 1983 | 128.01 | 118.25 | 135.95 | 156.31 | 227.38 | 360.36 | 268.17 | 116.77 | 143.85 | 179.46 | 199.01 | 120.45 | 179.5 |
| 1984 | 138.55 | 128.31 | 138.37 | 185.35 | 361.7 | 557.56 | 266.72 | 151 | 164.6 | 180.16 | 189.17 | 122.94 | 215.37 |
| 1985 | 109.18 | 106.87 | 126.88 | 207.8 | 206.38 | 128.7 | 41.59 | 62.22 | 95.99 | 146.4 | 106.6 | 98.7 | 119.78 |
| 1986 | 100.16 | 111.49 | 128.85 | 167.75 | 221.06 | 361.66 | 106.57 | 63.71 | 131.55 | 149.61 | 140.09 | 99.18 | 148.47 |
| 1987 | 88.15 | 103.41 | 101.49 | 111.33 | 92.95 | 89.92 | 77.28 | 70.7 | 75.9 | 97.01 | 105.57 | 83.31 | 91.42 |
| 1988 | 78.47 | 89.44 | 89.19 | 126.53 | 185.89 | 127.74 | 35.2 | 25.36 | 44.18 | 73.66 | 92.29 | 90.92 | 88.24 |
| 1989 | 76.29 | 64.21 | 110.47 | 145.75 | 190.17 | 164.38 | 52.22 | 54.04 | 72.11 | 97.69 | 131.67 | 91.25 | 104.19 |
| 1990 | 87.78 | 83.96 | 95.18 | 137.15 | 124.78 | 224.37 | 71.21 | 60.95 | 66.39 | 94.73 | 116.7 | 77.07 | 103.36 |
| 1991 | 77.12 | 89.85 | 81.08 | 96.44 | 215.26 | 360.17 | 87.72 | 37.28 | 69.27 | 99.04 | 123.37 | 95.72 | 119.36 |
| 1992 | 78.76 | 84.04 | 92.43 | 98.69 | 97.05 | 98.49 | 108.91 | 39.8 | 62.56 | 101.02 | 111.13 | 78.19 | 87.59 |
| 1993 | 73.93 | 76.77 | 115.46 | 120.52 | 303.77 | 356.71 | 236.67 | 150.63 | 121.54 | 141.69 | 138.7 | 103.71 | 161.68 |
| 1994 | 101.45 | 82.36 | 106.4 | 145.39 | 161.11 | 108.81 | 45.96 | 36.01 | 40.99 | 88.04 | 108.46 | 87.44 | 92.7 |
| 1995 | 79.31 | 111.39 | 119.1 | 148.93 | 275.95 | 514.52 | 278.69 | 109.24 | 132.2 | 162.67 | 172.54 | 133.71 | 186.52 |
| 1996 | 108.4 | 130.81 | 141.53 | 216.06 | 353.2 | 536.35 | 131.02 | 62.1 | 86.12 | -9999 | -9999 | -9999 | -9999 |
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| Avg | 94.5 | 104.69 | 116.8 | 160.64 | 251.92 | 353.76 | 148.96 | 78.44 | 98.51 | 126.02 | 134.11 | 106.63 | 148.34 |
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| Std Dev | 16.28 |
17.09 |
21.59 |
47.61 |
95.11 |
147.91 |
76.21 |
31.74 |
28.06 |
27.99 |
25.1 |
18.37 |
34.19 |
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| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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