US Army Corps of Engineers

Chief Joseph Dam & Rufus Woods Lake

October 2021

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 18858 786 28 60.20 58.20 58.20 0.00 953.80 953.30 779.80 173.50
2 18548 773 29 54.80 57.90 57.90 0.00 953.00 953.80 779.80 174.00
3 16113 671 28 54.60 50.30 50.30 0.00 954.10 953.10 780.30 172.80
4 22728 947 27 66.90 70.00 70.00 0.00 953.30 953.50 780.50 173.00
5 17861 744 28 50.20 55.60 55.60 0.00 951.90 951.90 779.80 172.10
6 17444 727 28 57.70 54.20 54.20 0.00 952.80 952.00 780.00 172.00
7 23515 980 28 74.10 73.30 73.30 0.00 953.00 953.20 781.20 172.00
8 17780 741 29 58.40 55.30 55.30 0.00 953.80 953.50 779.20 174.30
9 15420 642 32 46.60 47.40 47.40 0.00 953.60 953.80 779.60 174.20
10 13881 578 29 44.90 42.90 42.90 0.00 954.10 953.90 780.10 173.80
11 20726 864 29 60.70 64.20 64.20 0.00 953.20 954.00 780.70 173.30
12 28741 1198 29 90.50 90.10 90.10 0.00 953.30 953.30 781.90 171.40
13 61.30 59.30 59.30 0.00 953.80 953.70 779.60 174.10
14 50.50 52.80 52.80 0.00 953.20 954.00 779.40 174.60
15 58.60 60.50 60.50 0.00 952.70 953.00 780.60 172.40
16 50.90 42.70 42.70 0.00 954.80 953.50 779.60 173.90
17 46.90 54.70 54.70 0.00 952.80 953.30 779.50 173.80
18 45.90 42.40 42.40 0.00 953.70 953.00 778.80 174.20
19 65.60 71.80 71.80 0.00 952.10 952.80 780.80 172.00
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TOT231615  344        
AVG 19301 804 29 57.86 58.08 58.08 0.00 953.32 953.29 780.06 173.23
MAX 28741   90.50 90.10 90.10 0.00 954.80 954.00 781.90 174.60
MIN 13881   44.90 42.40 42.40 0.00 951.90 951.90 778.80 171.40