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
5 69.30 81.00 76.10 4.90 952.10 953.20 766.60 186.60
6 80.30 82.60 82.60 0.00 951.50 952.10 781.30 170.80
7 88.00 85.30 85.30 0.00 952.20 952.60 781.30 171.30
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TOT           
AVG    88.67 89.21 88.49 0.73 952.83 952.66 779.31 173.34
MAX    108.20 109.70 109.70 4.90 955.10 953.70 782.60 186.60
MIN    63.90 59.00 58.80 0.00 951.50 951.80 766.60 169.90