Determine the 1-in-10-year 7-consecutive day low flow given the following flow data. (Two-cycle logarithmic probability paper is provided in the appendix.)
Year | cu ft/sec | Year | cu ft/sec |
1965 | 120 | 1973 | 170 |
1966 | 162 | 1974 | 82 |
1967 | 142 | 1975 | 74 |
1968 | 137 | 1976 | 110 |
1969 | 254 | 1977 | 184 |
1970 | 367 | 1978 | 121 |
1971 | 145 | 1979 | 208 |
1972 | 153 | 1980 | 145 |
|
| 1981 | 198 |
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