Results
| Country: | U.S.A.
| | Station: | FORSYTH, MT. | | River: | YELLOWSTONE RIVER | | Area: | 26157452.14 | | Lat: | 46.26 | | Lon: | -106.69 | | Source: | USGS | | PointID: | 6295000 | | Area Units: | km2 | | Discharge Units: | m3/sec | | Starting Year: | 1895 | | Ending Year: | 1969 | | Total Years: | 75 | | Total Usable Years: | 39 | |
| |
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
|---|
| 1895 | 31.15 | 33.98 | 37.94 | 49.71 | 61.44 | 45.85 | 33.78 | 25.91 | 26.05 | 37.64 | 42.45 | 46.72 | 39.39 |
| 1896 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1897 | 42.48 | 42.48 | 42.48 | 93.45 | 242.96 | 121.3 | 66.66 | 22.47 | 21.47 | 28.74 | 36.81 | 39.64 | 66.74 |
| 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 | 37.66 | 41.91 | 41.24 | 64.55 | 196.73 | 106.29 | 33.58 | 16.18 | 18.84 | 23.97 | 29.89 | 32.9 | 53.65 |
| 1902 | 30.87 | 30.87 | 30.87 | 53.05 | 142.32 | 143.82 | 70.82 | 22.68 | 20.93 | 30 | 41.3 | 46.1 | 55.3 |
| 1903 | 50.88 | 80.62 | 55.9 | 72.49 | 103.45 | 199.46 | 68.27 | 24.33 | 23.43 | 34.04 | 90.71 | 76.76 | 73.36 |
| 1904 | 39.64 | 39.64 | 40.51 | 91.09 | 184.45 | 153.98 | 58.11 | 17.15 | 16.03 | 23.29 | 37.02 | 35.41 | 61.36 |
| 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 | -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 | 30.44 | 23.47 | 40.1 | 84.48 | 132.12 | 78.35 | 18.48 | 6.92 | 14.08 | 23.25 | 32.63 | 29.94 | 42.86 |
| 1940 | 27.18 | 30.16 | 39.77 | 55.77 | 81.14 | 53.11 | 6.08 | 4.69 | 14.17 | 44.76 | 41.05 | 34.8 | 36.06 |
| 1941 | 28.59 | 27.18 | 36.63 | 47.23 | 61.75 | 108.61 | 24.56 | 20.7 | 45.55 | 60.93 | 54.04 | 47.34 | 46.93 |
| 1942 | 30.06 | 36.26 | 46.97 | 135.22 | 162 | 236.33 | 67.05 | 16.07 | 23.83 | 32.26 | 45 | 41.01 | 72.67 |
| 1943 | 36.22 | 38.06 | 45.33 | 142.44 | 147.91 | 261.24 | 106.58 | 45.51 | 29.24 | 33.48 | 48.09 | 39.88 | 81.17 |
| 1944 | 30.37 | 34.76 | 32.25 | 47.49 | 66.44 | 219.51 | 100.91 | 37.24 | 30.92 | 34.85 | 42.31 | 30.51 | 58.96 |
| 1945 | 35.58 | 38.54 | 36.88 | 46.45 | 78.35 | 125.19 | 43.22 | 19.55 | 23.78 | 33.4 | 41.79 | 29.76 | 46.04 |
| 1946 | 29.84 | 28.96 | 36.33 | 72.37 | 109.88 | 91.74 | 49.82 | 14.38 | 53.33 | 66.2 | 57.23 | 48.73 | 54.9 |
| 1947 | 32.79 | 38.3 | 51.83 | 100.55 | 215.79 | 198.26 | 59.74 | 28.03 | 40.01 | 64.07 | 56.02 | 50.92 | 78.03 |
| 1948 | 43.79 | 38.91 | 44.13 | 94.22 | 228.14 | 345.3 | 98.1 | 41.19 | 36.16 | 50.75 | 54.93 | 41.85 | 93.12 |
| 1949 | 27.52 | 34.38 | 49.72 | 99.4 | 159.48 | 122.5 | 25.63 | 9.66 | 28.9 | 40.58 | 43.46 | 35.85 | 56.42 |
| 1950 | 26.54 | 32.17 | 41.1 | 60.75 | 73.62 | 194.17 | 79.53 | 32.93 | 38.59 | 55.44 | 50.78 | 46.25 | 60.99 |
| 1951 | 35.49 | 42.32 | 40.93 | 85.11 | 175.69 | 146.71 | 55.87 | 35.89 | 36.36 | 47.55 | 49.77 | 37.24 | 65.74 |
| 1952 | 28.5 | 30.56 | 43.69 | 99.61 | 199.53 | 123.74 | 56.46 | 24.12 | 27.18 | 28.8 | 38.3 | 33.17 | 61.14 |
| 1953 | 38.01 | 33.61 | 37.48 | 54.18 | 75.28 | 242.22 | 61.97 | 20.44 | 19.2 | 26.31 | 40.88 | 38.11 | 57.31 |
| 1954 | 30.85 | 36.85 | 35.49 | 54.44 | 78.93 | 82.63 | 48.26 | 15.46 | 16.94 | 21.98 | 33.37 | 29.53 | 40.39 |
| 1955 | 27.41 | 25.4 | 26.17 | 40.4 | 89.37 | 117.61 | 91.48 | 16.54 | 15.37 | 27.54 | 41.87 | 40.82 | 46.67 |
| 1956 | 35.62 | 29 | 45.71 | 95.44 | 186.51 | 138.11 | 32.82 | 15.28 | 21.46 | 24.51 | 41.31 | 34.59 | 58.36 |
| 1957 | 29.41 | 33.58 | 37.31 | 52.98 | 183.98 | 170.09 | 36.21 | 10.1 | 28.42 | 42.35 | 47.76 | 38.86 | 59.25 |
| 1958 | 33.05 | 33.28 | 35.83 | 57.63 | 152.08 | 161.02 | 63.56 | 18.05 | 28.43 | 36.13 | 46.41 | 42.97 | 59.04 |
| 1959 | 29.2 | 25.94 | 39.08 | 66.38 | 70.19 | 155.75 | 60.28 | 14.8 | 24.96 | 55.79 | 57.67 | 43.37 | 53.62 |
| 1960 | 26.86 | 29.54 | 54.26 | 90.48 | 102.34 | 104.57 | 20.88 | 15.93 | 22.78 | 26.64 | 41.79 | 33.39 | 47.45 |
| 1961 | 29.04 | 34.09 | 35.51 | 30.7 | 58.06 | 92.13 | 16.79 | 5.36 | 18.72 | 29.63 | 38.98 | 28.29 | 34.78 |
| 1962 | 18.5 | 23.77 | 37.39 | 88.25 | 116.98 | 139.69 | 50.68 | 26.48 | 31.99 | 40.81 | 48.01 | 45.28 | 55.65 |
| 1963 | 26.76 | 62.96 | 41.84 | 52.19 | 106.2 | 191.22 | 59.36 | 14.53 | 33.13 | 34.38 | 48.11 | 33.72 | 58.7 |
| 1964 | 37.02 | 37.85 | 34.39 | 51.08 | 106.98 | 300.44 | 93.27 | 22.63 | 34.25 | 33.72 | 41.06 | 46.4 | 69.92 |
| 1965 | 38.91 | 37 | 33.63 | 90.66 | 152.89 | 299.13 | 119.31 | 49.53 | 70.41 | 64.72 | 61.98 | 51.14 | 89.11 |
| 1966 | 43.89 | 39.35 | 38.25 | 62.72 | 56.86 | 41.11 | 15.55 | 5.69 | 13.28 | 27.24 | 35.58 | 30.93 | 34.2 |
| 1967 | 31.67 | 30.29 | 30.59 | 39 | 142.69 | 304.47 | 81.24 | 17.64 | 20.78 | 45.67 | 54.79 | 37.17 | 69.67 |
| 1968 | 34.8 | 36.65 | 46.83 | 63.93 | 97.64 | 197.98 | 52.17 | 31.19 | 41.75 | 55.88 | 57.69 | 47.53 | 63.67 |
| 1969 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
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| Avg | 32.96 | 35.91 | 40.12 | 71.83 | 127.78 | 161.49 | 56.31 | 21.26 | 28.08 | 38.54 | 46.41 | 40.19 | 58.41 |
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| Std Dev | 6.18 |
10.27 |
6.47 |
25.61 |
52.9 |
75.46 |
27.58 |
10.79 |
11.76 |
12.95 |
10.81 |
9 |
14.05 |
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| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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