McNary Dam & Lake Wallula
July 2020
| Day of Month | Total Generation MWh | Average Generation MW | Station Use MWh | Inflow kcfs | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Midnight Reservoir Elevation | Average Forebay Elevation | Average Tailwater Elevation | Average Head feet |
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| 1 | | | | 308.50 | 307.80 | 123.10 | 180.00 | | 339.09 | 268.60 | 70.49 |
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| TOT | | | | | | | | | | | |
| AVG | | | | 308.50 | 307.80 | 123.10 | 180.00 | | 339.09 | 268.60 | 70.49 |
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| MAX | | | | 308.50 | 307.80 | 123.10 | 180.00 | | 339.09 | 268.60 | 70.49 |
| MIN | | | | 308.50 | 307.80 | 123.10 | 180.00 | | 339.09 | 268.60 | 70.49 |