Results
| Country: | U.S.A.
| | Station: | THE DALLES,OREG. | | River: | COLUMBIA RIVER | | Area: | 613793.62 | | Lat: | 45.6 | | Lon: | -121.17 | | Source: | USGS | | PointID: | 14105700 | | Area Units: | km2 | | Discharge Units: | m3/sec | | Starting Year: | 1960 | | Ending Year: | 1993 | | Total Years: | 34 | | Total Usable Years: | 12 | |
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| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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| 1960 | 16.9 | 38.72 | 17.3 | 6.13 | 32.78 | 82.47 | 110.24 | 46.89 | 11.09 | 53.79 | 5.43 | 23.72 | 37.12 |
| 1961 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1962 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1963 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1964 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1965 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1966 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1967 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1968 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1969 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1970 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1971 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1972 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1973 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1974 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1975 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1976 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1977 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1978 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1979 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1980 | 8.15 | 11.09 | 6.76 | 16.96 | 63.53 | 28.44 | 1.17 | 0.06 | 0.07 | 0.08 | 0.34 | 3.66 | 11.69 |
| 1981 | 0.67 | 0.6 | 3.19 | 1.08 | 2.07 | 11.34 | 11.35 | 3.89 | 1.41 | 21.86 | 7.94 | 4.54 | 5.83 |
| 1982 | 12.86 | 16.21 | 12.11 | 5.77 | 136.32 | 27.46 | 7.05 | 1.77 | 1.38 | 0.56 | 1.59 | 3 | 18.84 |
| 1983 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1984 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1985 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1986 | 7.13 | 7.26 | 8.12 | 8.37 | 43.75 | 24.01 | 2.69 | 4.42 | 26.06 | 200.58 | 75 | 31.89 | 36.61 |
| 1987 | 58.2 | 52.81 | 71.15 | 20.71 | 168.75 | 42 | 34.43 | 8.35 | 8.62 | 4.94 | 9.87 | 44.91 | 43.73 |
| 1988 | 42.64 | 14.73 | 68.18 | 51.66 | 13.7 | 8.76 | 5.29 | 1.87 | 28.11 | 4.97 | 8.17 | 10.98 | 21.59 |
| 1989 | 9.32 | 13.15 | 20.06 | 15.85 | 30.35 | 166.03 | 17.09 | 8.5 | 21.68 | 8.55 | 6.72 | 9.15 | 27.2 |
| 1990 | 12.07 | 21.68 | 74.69 | 62.83 | 68.25 | 15.37 | 7.53 | 5.17 | 13.41 | 3.53 | 6.22 | 7.81 | 24.88 |
| 1991 | 8.67 | 6.12 | 7.42 | 7.35 | 16.55 | 13.76 | 6.28 | 0.82 | 12.71 | 6.76 | 16.16 | 73.67 | 14.69 |
| 1992 | 18.01 | 17.36 | 15.53 | 12.06 | 9.74 | 17.7 | 18.02 | 21.45 | 13.48 | 2.8 | 26.07 | 46.12 | 18.2 |
| 1993 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
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| Avg | 17.69 | 18.16 | 27.68 | 18.98 | 53.25 | 39.76 | 20.1 | 9.38 | 12.55 | 28.04 | 14.86 | 23.59 | 23.67 |
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| Std Dev | 16.41 |
14.46 |
27.18 |
18.98 |
51.37 |
44.55 |
29.88 |
13.15 |
9.2 |
56.52 |
20.18 |
22.03 |
11.14 |
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| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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