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 33095 1379 24 108.20 105.90 105.90 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
8 66.50 56.80 56.80 0.00 954.70 952.10 778.70 173.40
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TOT 33095  24        
AVG 33095 1379 24 85.90 85.16 84.52 0.64 953.06 952.59 779.24 173.35
MAX 33095   108.20 109.70 109.70 4.90 955.10 953.70 782.60 186.60
MIN 33095   63.90 56.80 56.80 0.00 951.50 951.80 766.60 169.90