US Army Corps of Engineers

Chief Joseph Dam & Rufus Woods Lake

September 2020

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 22927 955 0 64.80 71.40 71.40 0.00 953.20 953.40 780.40 173.00
2 21283 887 0 66.50 66.10 66.10 0.00 953.30 953.20 780.40 172.80
3 22138 922 0 74.80 69.40 69.40 0.00 954.40 953.20 781.00 172.20
4 23451 977 0 67.80 74.00 74.00 0.00 952.80 953.00 781.50 171.50
5 23268 970 0 78.50 72.30 72.30 0.00 954.40 953.90 780.60 173.30
6 26108 1088 0 78.40 81.90 81.90 0.00 953.50 953.60 781.20 172.40
7 15984 666 0 61.30 60.10 50.00 10.10 953.80 953.40 780.30 173.10
8 22828 951 0 71.00 71.80 71.80 0.00 953.60 953.80 780.40 173.40
9 27793 1158 0 85.80 87.00 87.00 0.00 953.30 953.40 781.40 172.00
10 28377 1182 0 89.80 89.40 89.40 0.00 953.40 953.00 781.80 171.20
11 24233 1010 0 76.80 75.20 75.20 0.00 953.80 953.70 780.00 173.70
12 23053 961 0 71.40 71.80 71.80 0.00 953.70 953.50 779.90 173.60
13 19542 814 0 57.30 60.40 60.40 0.00 952.90 953.60 779.20 174.40
14 23525 980 0 74.10 73.30 73.30 0.00 953.10 953.00 780.50 172.50
15 80.30 81.50 81.50 0.00 952.70 952.80 781.10 171.70
16 80.00 76.50 76.50 0.00 953.70 953.00 780.70 172.30
17 68.90 71.20 71.20 0.00 953.10 953.20 780.30 172.90
18 57.50 55.90 55.90 0.00 953.50 953.20 778.80 174.40
19 52.20 52.20 52.20 0.00 953.50 953.40 779.40 174.00
20 54.20 56.50 56.50 0.00 952.90 953.30 780.30 173.00
21 62.30 63.10 63.10 0.00 953.30 953.30 780.50 172.80
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TOT324510  0        
AVG 23179 966 0 70.18 70.52 70.04 0.48 953.42 953.33 780.46 172.87
MAX 28377   89.80 89.40 89.40 10.10 954.40 953.90 781.80 174.40
MIN 15984   52.20 52.20 50.00 0.00 952.70 952.80 778.80 171.20