US Army Corps of Engineers

Chief Joseph Dam & Rufus Woods Lake

July 2025

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 108.20 105.90 105.90 0.00 953.80 952.80 782.60 170.20
2 104.30 109.70 109.70 0.00 952.40 952.40 782.50 169.90
3 106.70 101.00 101.00 0.00 952.70 951.80 781.80 170.00
4 63.90 59.00 58.80 0.20 955.10 953.70 779.10 174.60
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TOT           
AVG    95.77 93.90 93.85 0.05 953.50 952.67 781.50 171.17
MAX    108.20 109.70 109.70 0.20 955.10 953.70 782.60 174.60
MIN    63.90 59.00 58.80 0.00 952.40 951.80 779.10 169.90