Results
| Country: | U.S.A.
| | Station: | INTERNATIONAL BOUNDARY | | River: | COLUMBIA RIVER | | Area: | 154613.84 | | Lat: | 49 | | Lon: | -117.62 | | Source: | USGS | | PointID: | 12399500 | | Area Units: | km2 | | Discharge Units: | m3/sec | | Starting Year: | 1976 | | Ending Year: | 1991 | | Total Years: | 16 | | Total Usable Years: | 13 | |
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| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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| 1976 | 52.41 | 68.58 | 90.35 | 62.55 | 134.69 | 47.28 | 385.74 | 365.76 | 247.52 | 110.82 | 76.13 | 63.45 | 142.11 |
| 1977 | 97.5 | 88.84 | 55.54 | 77.15 | 305.13 | 91.23 | 56.7 | 43.59 | 131.33 | 53.81 | 37.01 | 35.81 | 89.47 |
| 1978 | 36.22 | 35.48 | 71.47 | 42 | 114.78 | 171.88 | 125.23 | 80.08 | 110.63 | 180.89 | 176.55 | 102.12 | 103.94 |
| 1979 | 86.86 | 70.95 | 182.21 | 115.21 | 163.12 | 264.79 | 138 | 101.74 | 50.9 | 25.88 | 26.09 | 62.69 | 107.37 |
| 1980 | 73.83 | 72.82 | 80.26 | 43.05 | 127.52 | 97.24 | 151 | 163.06 | 71.59 | 91.85 | 80.97 | 82.94 | 94.68 |
| 1981 | 73.97 | 64.52 | 56.41 | 163.63 | 111.14 | 149.31 | 92.1 | 88.68 | 171.86 | 185.88 | 71.3 | 63.82 | 107.72 |
| 1982 | 98.08 | 109.9 | 83.43 | 61.55 | 135.63 | 170.72 | 53.37 | 81.19 | 76.85 | 46.96 | 40.59 | 43.18 | 83.45 |
| 1983 | 45.61 | 53.72 | 75.13 | 30.26 | 50.24 | 102.61 | 59.45 | 58.9 | 88.86 | 95.71 | 64.44 | 41.24 | 63.85 |
| 1984 | 40.47 | 48.02 | 61.29 | 100.53 | 163.9 | 41.57 | 92.97 | 86.48 | 72.91 | 82.16 | 21.5 | 38.79 | 70.88 |
| 1985 | 71.36 | 81.84 | 77.64 | 85.11 | 98.35 | 64.33 | 51.63 | 31.34 | 46.85 | 91.1 | 53.42 | 47.68 | 66.72 |
| 1986 | 52.93 | 84.98 | 167.82 | 175.65 | 284.23 | 128.29 | 46.42 | 46.16 | 104.1 | 128.55 | 138.35 | 138.76 | 124.69 |
| 1987 | 131.77 | 135.41 | 125.95 | 80.6 | 83.9 | 264.89 | 184.83 | 164.38 | 157.27 | 100.94 | 77.3 | 46.1 | 129.45 |
| 1988 | 61.9 | 70.59 | 50.28 | 62.72 | 85.01 | 86.33 | 114.81 | 138.6 | 173.18 | 116.07 | 72.77 | 65.46 | 91.48 |
| 1989 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 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 |
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| Avg | 70.99 | 75.82 | 90.6 | 84.62 | 142.9 | 129.27 | 119.4 | 111.54 | 115.68 | 100.82 | 72.03 | 64 | 98.14 |
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| Std Dev | 26.22 |
25.01 |
40.59 |
42.78 |
71.63 |
70.36 |
87.65 |
84.15 |
56.1 |
44.74 |
41.82 |
28.25 |
23.34 |
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| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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