Results
| Country: | U.S.A.
| | Station: | BILLINGS MT | | River: | YELLOWSTONE RIVER | | Area: | 26079772.28 | | Lat: | 45.79 | | Lon: | -108.47 | | Source: | USGS | | PointID: | 6214500 | | Area Units: | km2 | | Discharge Units: | m3/sec | | Starting Year: | 1904 | | Ending Year: | 1996 | | Total Years: | 93 | | Total Usable Years: | 71 | |
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| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
|---|
| 1904 | -9999 | -9999 | -9999 | -9999 | -9999 | 725.86 | 511.81 | 233.83 | 148.33 | 112.5 | 96.79 | 82.27 | -9999 |
| 1905 | -9999 | -9999 | -9999 | 77.74 | 168.18 | 699.52 | 417.32 | 176.06 | 111.3 | 102.28 | 92.57 | -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 | 155.96 | 136.22 | 117.99 | 95.34 | -9999 |
| 1929 | 82.71 | 77.87 | 120.9 | 117.56 | 273.68 | 627.03 | 388.4 | 132.76 | 106.84 | 95.89 | 79.29 | 56.63 | 179.96 |
| 1930 | 62.3 | 99.11 | 84.95 | 150.4 | 248.14 | 434.85 | 232.29 | 189.96 | 116.31 | 134.4 | 83.71 | 65.23 | 158.47 |
| 1931 | 67.31 | 71.76 | 69.88 | 81.95 | 206.04 | 455.87 | 106.86 | 79.59 | 71.28 | 86.15 | 64.65 | 62.68 | 118.67 |
| 1932 | 53.43 | 44.15 | 98.29 | 75.97 | 332.48 | 713.02 | 374.18 | 115.73 | 92.94 | 90.4 | 83.46 | 44.72 | 176.56 |
| 1933 | 43.03 | 46.82 | 73.85 | 82.46 | 220.09 | 744.17 | 214.36 | 107.89 | 113.83 | 83.36 | 89.09 | 70.79 | 157.48 |
| 1934 | 84.95 | 66.43 | 70.48 | 133.34 | 291.54 | 278.9 | 96.57 | 48.28 | 53.23 | 71.24 | 66.38 | 58.36 | 109.98 |
| 1935 | 59.78 | 69.34 | 57.84 | 73.47 | 198.87 | 631.66 | 352.66 | 107.71 | 74.09 | 70.3 | 85.31 | 64.75 | 153.82 |
| 1936 | 65.33 | 59.51 | 69.93 | 138.91 | 435.11 | 521.97 | 165.12 | 110.87 | 77.62 | 80.39 | 77.74 | 55.91 | 154.87 |
| 1937 | 52.43 | 53.24 | 83.75 | 74.41 | 293.74 | 573.42 | 238.7 | 75.48 | 61.99 | 90.02 | 75.81 | 54.12 | 143.93 |
| 1938 | 82.16 | 54.29 | 73.7 | 81.96 | 303.86 | 839.69 | 428.51 | 138.83 | 95.38 | 100.63 | 102.29 | 73.79 | 197.92 |
| 1939 | 61.34 | 51.88 | 97.77 | 122.81 | 400.46 | 462.13 | 225.2 | 89.99 | 66.01 | 76.96 | 69.51 | 59.42 | 148.62 |
| 1940 | 38.59 | 51.15 | 62.42 | 82.19 | 335.23 | 540.38 | 164.32 | 52.92 | 61.22 | 93.77 | 74.4 | 60.39 | 134.75 |
| 1941 | 53.07 | 56.74 | 59.33 | 77.03 | 264.86 | 442.35 | 179.72 | 109.39 | 193.06 | 192.64 | 133.21 | 100.01 | 155.12 |
| 1942 | 82.48 | 76.05 | 111.42 | 167.38 | 373.74 | 704.24 | 419.63 | 129.24 | 103.11 | 105.25 | 106.32 | 93.37 | 206.02 |
| 1943 | 73.28 | 113.17 | 151.71 | 249.16 | 371.56 | 1053.39 | 761.45 | 233.78 | 154.95 | 113.14 | 106.42 | 86.61 | 289.05 |
| 1944 | 74.26 | 68.35 | 81.71 | 70.62 | 245.82 | 821 | 483.31 | 128.68 | 123.61 | 105.61 | 96.96 | 64.38 | 197.03 |
| 1945 | 72.71 | 64.02 | 76.01 | 76.18 | 219.69 | 715.48 | 576.07 | 192.35 | 128.59 | 119.36 | 112.12 | 76.23 | 202.4 |
| 1946 | 90.89 | 95.06 | 90.35 | 157.83 | 300.91 | 596.54 | 296.78 | 103.06 | 107.23 | 123.39 | 99.94 | 81.48 | 178.62 |
| 1947 | 73.74 | 64.39 | 89.21 | 130.98 | 488.33 | 717.65 | 473.72 | 185.28 | 135.2 | 136.42 | 112.28 | 92.92 | 225.01 |
| 1948 | 74.86 | 76.29 | 91.43 | 111.9 | 484.91 | 1028.1 | 360.37 | 154.8 | 90.3 | 94.41 | 88.14 | 60.52 | 226.34 |
| 1949 | 54.53 | 67.1 | 83.39 | 138.59 | 443.14 | 641.19 | 272.11 | 102.01 | 104.36 | 110.92 | 96.06 | 55.73 | 180.76 |
| 1950 | 40.11 | 58.89 | 88.89 | 99.23 | 251.95 | 788.53 | 616.67 | 221.56 | 144.77 | 151.17 | 137.24 | 113.48 | 226.04 |
| 1951 | 79.25 | 100.54 | 106.23 | 129.51 | 421.04 | 594.09 | 516.65 | 273.87 | 151.39 | 144.35 | 125.48 | 83.47 | 227.16 |
| 1952 | 74.59 | 77.19 | 85.71 | 194.88 | 576.21 | 775.04 | 348.58 | 172.4 | 105.38 | 86.8 | 83.19 | 75.27 | 221.27 |
| 1953 | 78.63 | 71.13 | 68.51 | 79.41 | 159.58 | 705.19 | 395.18 | 149.19 | 90.34 | 78.14 | 88.47 | 78.32 | 170.17 |
| 1954 | 55.6 | 75.96 | 63.8 | 94.88 | 397.63 | 521.88 | 446.39 | 147.48 | 91.47 | 85.96 | 87.52 | 72.17 | 178.4 |
| 1955 | 61.38 | 57.8 | 65.49 | 112.75 | 216.48 | 575.21 | 291.61 | 114.41 | 76.31 | 84.85 | 79.06 | 78.1 | 151.12 |
| 1956 | 73.49 | 71.04 | 114.87 | 147.68 | 565.17 | 917.47 | 350.02 | 157.37 | 105.17 | 86.54 | 98.72 | 80.35 | 230.66 |
| 1957 | 45.93 | 72.36 | 85.61 | 89.24 | 450.57 | 1074.44 | 505.03 | 150.83 | 135.43 | 120.24 | 110.56 | 88.02 | 244.02 |
| 1958 | 69.81 | 68.19 | 72.76 | 86.19 | 447.45 | 548.97 | 221.57 | 108.41 | 83.72 | 76.85 | 92.65 | 80.27 | 163.07 |
| 1959 | 64.38 | 63.11 | 81.88 | 102.83 | 238.06 | 935.15 | 418.95 | 129.65 | 97.46 | 121.05 | 108.76 | 88.13 | 204.12 |
| 1960 | 54.12 | 68.06 | 81.72 | 99.98 | 191.31 | 564.17 | 167.76 | 96.51 | 66.84 | 75.19 | 85.18 | 68.67 | 134.96 |
| 1961 | 62.07 | 67.38 | 57.1 | 40.72 | 201.34 | 537.36 | 140.74 | 63.2 | 135.64 | 141.55 | 128.61 | 89.09 | 138.73 |
| 1962 | 66.6 | 112.5 | 98.43 | 171.02 | 377.55 | 829.31 | 428.93 | 193.77 | 144.15 | 113.55 | 101.67 | 85.01 | 226.87 |
| 1963 | 60.85 | 116.04 | 74.81 | 87.23 | 364.91 | 859.04 | 322.95 | 113.7 | 117.65 | 91.84 | 94.37 | 69.88 | 197.77 |
| 1964 | 66.68 | 74.5 | 68.31 | 96.33 | 329.97 | 822.89 | 536.79 | 164.5 | 109.08 | 86.87 | 96.32 | 84.91 | 211.43 |
| 1965 | 96.19 | 94 | 79.47 | 145.72 | 321.49 | 998.27 | 681.98 | 266.87 | 195.05 | 164.12 | 120.93 | 91.68 | 271.31 |
| 1966 | 83.17 | 87.07 | 93.2 | 112.74 | 378 | 464.87 | 221.46 | 101.84 | 96.05 | 98.39 | 102.31 | 88.06 | 160.6 |
| 1967 | 87.25 | 83.38 | 90.08 | 88.59 | 317.36 | 1167.32 | 743.09 | 189.58 | 118.14 | 138.59 | 118.41 | 89.85 | 269.3 |
| 1968 | 75.63 | 109.16 | 104.26 | 105 | 221.59 | 970.9 | 528.14 | 266.23 | 206.73 | 157.22 | 130.34 | 92.19 | 247.28 |
| 1969 | 82.06 | 91.45 | 103.57 | 172.76 | 451.25 | 634.58 | 440.44 | 135.25 | 97.04 | 116.42 | 106.71 | 86.82 | 209.86 |
| 1970 | 71.73 | 81.17 | 76.77 | 87.38 | 470.29 | 1038.2 | 476.73 | 156.61 | 166.1 | 139.51 | 113.22 | 87.37 | 247.09 |
| 1971 | 87.13 | 115.41 | 89.93 | 135.3 | 417 | 1058.4 | 604.34 | 215.87 | 189.1 | 161 | 128.24 | 92.53 | 274.52 |
| 1972 | 74.68 | 97.69 | 138.51 | 111.96 | 333.26 | 934.65 | 407.13 | 223.95 | 189.54 | 180.21 | 135.6 | 92.49 | 243.31 |
| 1973 | 88.5 | 87.23 | 92.71 | 138.51 | 397.11 | 599.94 | 300.24 | 117.6 | 155.55 | 122.26 | 115.89 | 91.89 | 192.29 |
| 1974 | 87.9 | 75.03 | 82.16 | 131.33 | 285.33 | 1161.56 | 609.45 | 228.36 | 143.64 | 118.69 | 116.89 | 83.75 | 260.34 |
| 1975 | 69.21 | 62.95 | 98.48 | 146.19 | 420.74 | 931.16 | 1052.75 | 256.08 | 141.27 | 146.19 | 134.02 | 126.03 | 298.76 |
| 1976 | 100.47 | 96.92 | 97.07 | 149.59 | 661.65 | 878.77 | 558.21 | 241.77 | 148.01 | 150.69 | 112.68 | 94.49 | 274.19 |
| 1977 | 63.01 | 76.15 | 68.02 | 102.37 | 202.27 | 437.13 | 139 | 84.34 | 89.41 | 108.54 | 83.98 | 73.53 | 127.31 |
| 1978 | 70.61 | 66.03 | 109.22 | 139.19 | 456.55 | 855.08 | 686.82 | 211.94 | 191.19 | 152.67 | 110.26 | 82.16 | 260.98 |
| 1979 | 70.24 | 74.03 | 155.12 | 147.29 | 355.44 | 657.05 | 344.97 | 152.04 | 97.14 | 86.91 | 88.59 | 74.84 | 191.97 |
| 1980 | 67.62 | 82.97 | 104.17 | 176.07 | 515 | 607.78 | 278.97 | 117.74 | 154.85 | 129.16 | 114 | 93.98 | 203.53 |
| 1981 | 77.81 | 71.13 | 69.16 | 79.23 | 518.54 | 814.21 | 306.55 | 101.37 | 73.11 | 104.83 | 89.76 | 77.12 | 198.57 |
| 1982 | 59.53 | 82.57 | 77.33 | 109.88 | 315.14 | 844.6 | 772.14 | 245.86 | 172.99 | 165.69 | 123.73 | 98.99 | 255.7 |
| 1983 | 92.19 | 82.25 | 81.99 | 100.1 | 254.88 | 639.87 | 469.88 | 181.19 | 130.66 | 177.83 | 146.2 | 90.45 | 203.96 |
| 1984 | 108.55 | 101.28 | 93.89 | 115.6 | 377.57 | 672.34 | 501.58 | 186.31 | 138.2 | 130.56 | 114.31 | 74.49 | 217.89 |
| 1985 | 73.81 | 70.99 | 96.61 | 113.96 | 298.28 | 383 | 156.16 | 124.86 | 114.87 | 124.97 | 88.71 | 76.92 | 143.6 |
| 1986 | 68.13 | 75.16 | 97.95 | 146.23 | 325.63 | 908.22 | 337.07 | 145.18 | 150.91 | 140 | 124.79 | 92.07 | 217.61 |
| 1987 | 80.18 | 74.27 | 74.46 | 108.71 | 300.89 | 284.46 | 170.91 | 109.43 | 89.98 | 78 | 76.16 | 61.4 | 125.74 |
| 1988 | 52.51 | 55.85 | 61.48 | 86.82 | 401.63 | 436.12 | 99.85 | 48.93 | 52.01 | 63.11 | 73.11 | 61.55 | 124.41 |
| 1989 | 51.58 | 46.54 | 81.01 | 142.06 | 438.28 | 622.79 | 307.58 | 124.74 | 93.76 | 108.97 | 106.82 | 83.15 | 183.94 |
| 1990 | 77.95 | 75.4 | 79.81 | 187.56 | 274.74 | 620.24 | 317.11 | 116.93 | 81.56 | 96.2 | 93.95 | 68.74 | 174.18 |
| 1991 | 59.21 | 67.04 | 64.71 | 102.45 | 519.95 | 897.55 | 309.02 | 92.22 | 101.77 | 94.88 | 93.66 | 76.53 | 206.58 |
| 1992 | 61.97 | 64.53 | 69.29 | 133.67 | 429.96 | 559.92 | 367.08 | 100.53 | 93.83 | 101.01 | 90.77 | 68.8 | 178.45 |
| 1993 | 57.69 | 52.36 | 74.99 | 90.04 | 569.34 | 672.53 | 443.75 | 230.75 | 124.35 | 117.31 | 86.52 | 75.02 | 216.22 |
| 1994 | 67.09 | 55.33 | 67.65 | 141.15 | 440.7 | 330.53 | 134.47 | 67.04 | 67.66 | 102.75 | 91.74 | 82.03 | 137.35 |
| 1995 | 67.47 | 76.84 | 80.25 | 98.5 | 339.43 | 874.9 | 562.96 | 164.45 | 127.14 | 122.81 | 112.39 | 103.48 | 227.55 |
| 1996 | 76.17 | 105.9 | 102.58 | 170.08 | 447.3 | 1225.65 | 553.61 | 164.83 | 113.29 | -9999 | -9999 | -9999 | -9999 |
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| Avg | 70.06 | 75.29 | 86.3 | 117.69 | 355.74 | 717.14 | 390.44 | 148.94 | 116.99 | 113.86 | 101.04 | 79.47 | 196.5 |
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| Std Dev | 14.01 |
17.58 |
19.85 |
36.34 |
110.36 |
217.34 |
186.04 |
57.33 |
37.21 |
29.37 |
18.85 |
14.73 |
45.62 |
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| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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