US Army Corps of Engineers

Chief Joseph Dam & Rufus Woods Lake

November 2026

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 55.50 52.80 52.80 0.00 953.60 953.10 778.40 174.70
2 58.80 61.50 61.50 0.00 952.90 952.90 778.20 174.70
3 76.20 75.80 75.80 0.00 953.00 953.00 778.60 174.40
4 97.70 95.00 95.00 0.00 953.70 953.10 779.30 173.80
5 92.10 91.30 91.30 0.00 953.90 953.30 779.60 173.70
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TOT           
AVG    76.06 75.28 75.28 0.00 953.42 953.08 778.82 174.26
MAX    97.70 95.00 95.00 0.00 953.90 953.30 779.60 174.70
MIN    55.50 52.80 52.80 0.00 952.90 952.90 778.20 173.70