US Army Corps of Engineers

Chief Joseph Dam & Rufus Woods Lake

May 2024

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 18044 752 36 59.10 56.00 56.00 0.00 953.10 952.90 778.20 174.70
2 19702 821 35 62.50 61.70 61.70 0.00 953.30 953.10 778.40 174.70
3 21341 889 34 67.10 66.30 66.30 0.00 953.50 953.10 778.60 174.50
4 20081 837 35 62.40 62.40 62.40 0.00 953.50 953.60 777.90 175.70
5 15202 633 35 49.80 47.50 47.50 0.00 954.10 953.60 778.30 175.30
6 20063 836 33 58.20 63.30 63.30 0.00 952.80 953.30 780.30 173.00
7 19140 798 33 58.90 60.10 60.10 0.00 952.50 953.20 779.30 173.90
8 23240 968 34 76.30 73.60 73.60 0.00 953.20 952.50 780.70 171.80
9 21978 916 35 72.80 68.50 68.50 0.00 954.30 953.80 779.70 174.10
10 24301 1013 31 73.30 76.00 76.00 0.00 953.60 954.30 779.90 174.40
11 24871 1036 28 75.40 77.70 77.70 0.00 953.00 953.50 780.60 172.90
12 23358 973 28 75.40 74.20 74.20 0.00 953.30 953.10 781.20 171.90
13 69.40 70.60 70.60 0.00 953.00 953.10 780.10 173.00
14 91.10 90.70 90.70 0.00 953.10 953.20 781.50 171.70
15 102.20 102.60 102.60 0.00 953.00 953.10 781.60 171.50
16 94.00 92.00 92.00 0.00 953.30 953.00 781.90 171.10
17 94.50 98.40 98.40 0.00 952.50 953.50 782.30 171.20
18 108.00 113.00 113.00 0.00 951.20 952.50 783.20 169.30
19 102.50 96.30 96.30 0.00 952.80 952.10 782.30 169.80
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TOT251321  397        
AVG 20943 873 33 76.47 76.36 76.36 0.00 953.11 953.18 780.32 172.87
MAX 24871   108.00 113.00 113.00 0.00 954.30 954.30 783.20 175.70
MIN 15202   49.80 47.50 47.50 0.00 951.20 952.10 777.90 169.30