US Army Corps of Engineers

McNary Dam & Lake Wallula

December 2022

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 127.50 117.90 113.20 0.00 338.97 338.78 265.75 73.03
2 123.30 123.70 119.00 0.00 338.97 339.05 265.80 73.25
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TOT           
AVG    125.40 120.80 116.10 0.00 338.97 338.91 265.77 73.14
MAX    127.50 123.70 119.00 0.00 338.97 339.05 265.80 73.25
MIN    123.30 117.90 113.20 0.00 338.97 338.78 265.75 73.03