US Army Corps of Engineers

Chief Joseph Dam & Rufus Woods Lake

December 2019

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 31373 1307 47 95.70 98.00 98.00 0.00 954.00 954.10 782.00 172.10
2 29425 1226 46 90.20 91.40 91.40 0.00 953.70 954.00 780.90 173.10
3 27406 1142 45 87.50 84.40 84.40 0.00 954.50 953.60 779.50 174.10
4 28968 1207 44 88.80 89.20 89.20 0.00 954.40 954.40 779.90 174.50
5 31745 1323 42 95.00 98.50 98.50 0.00 953.50 954.20 781.80 172.40
6 30604 1275 42 91.40 95.70 95.70 0.00 952.40 952.70 781.80 170.90
7 28197 1175 41 91.10 86.80 86.80 0.00 953.50 953.90 780.60 173.30
8 27921 1163 42 86.10 87.30 87.30 0.00 953.20 953.20 781.40 171.80
9 96.20 93.10 93.10 0.00 954.00 953.80 781.60 172.20
10 96.20 98.90 98.90 0.00 953.30 953.90 782.30 171.60
11 102.80 99.70 99.70 0.00 954.10 953.50 782.50 171.00
12 83.60 89.40 89.40 0.00 952.60 954.00 781.60 172.40
13 82.10 80.20 80.20 0.00 953.10 953.10 780.70 172.40
14 85.20 83.20 83.20 0.00 953.60 953.60 780.70 172.90
15 67.60 68.40 68.40 0.00 953.40 953.10 779.50 173.60
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TOT235639  349        
AVG 29455 1227 44 89.30 89.61 89.61 0.00 953.55 953.67 781.12 172.55
MAX 31745   102.80 99.70 99.70 0.00 954.50 954.40 782.50 174.50
MIN 27406   67.60 68.40 68.40 0.00 952.40 952.70 779.50 170.90