US Army Corps of Engineers

Chief Joseph Dam & Rufus Woods Lake

September 2018

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 24291 1012 25 73.90 77.00 77.00 0.00 952.60 952.90 781.70 171.20
2 20520 855 25 66.50 64.20 64.20 0.00 953.20 952.70 780.60 172.10
3 20375 849 25 61.00 63.70 63.70 0.00 952.50 953.00 780.30 172.70
4 23604 984 26 73.30 72.90 72.90 0.00 952.60 953.00 779.30 173.70
5 23886 995 26 73.10 73.90 73.90 0.00 952.40 952.40 778.10 174.30
6 20120 838 26 60.80 62.30 62.30 0.00 952.00 952.10 778.00 174.10
7 21806 909 26 70.00 67.70 67.70 0.00 952.60 952.10 778.00 174.10
8 19028 793 25 60.60 58.30 58.30 0.00 953.20 952.80 777.30 175.50
9 20727 864 25 60.50 64.00 64.00 0.00 952.30 952.70 777.50 175.20
10 19166 799 27 59.30 58.90 58.90 0.00 952.40 952.50 775.60 176.90
11 16387 683 26 53.20 50.10 50.10 0.00 953.40 952.50 775.20 177.30
12 18173 757 26 54.10 55.70 55.70 0.00 952.80 952.90 775.60 177.30
13 20807 867 27 65.30 63.70 63.70 0.00 953.20 953.10 775.70 177.40
14 23375 974 27 67.90 71.80 71.80 0.00 952.20 953.10 777.00 176.10
15 17343 723 26 55.40 53.10 53.10 0.00 952.80 952.60 775.60 177.00
16 15103 629 26 47.40 46.20 46.20 0.00 953.10 952.90 775.30 177.60
17 20101 838 27 62.40 61.20 61.20 0.00 953.40 953.30 775.70 177.60
18 21281 887 27 62.10 64.80 64.80 0.00 952.70 952.80 776.30 176.50
19 17294 721 27 52.10 52.90 52.90 0.00 952.50 953.10 775.80 177.30
20 14951 623 27 47.80 45.50 45.50 0.00 953.10 953.30 774.80 178.50
21 20744 864 27 62.70 63.90 63.90 0.00 952.80 953.10 776.60 176.50
22 16510 688 27 52.50 50.60 50.60 0.00 953.30 953.20 776.00 177.20
23 18959 790 27 56.30 58.20 58.20 0.00 952.80 953.30 776.30 177.00
24 24647 1027 29 78.00 76.10 76.10 0.00 953.30 952.10 777.20 174.90
25 21613 901 28 61.80 66.10 66.10 0.00 952.20 952.90 776.00 176.90
26 21894 912 28 71.00 67.50 67.50 0.00 953.10 952.20 776.80 175.40
27 23134 964 28 69.40 71.70 71.70 0.00 952.50 952.80 778.60 174.20
28 21780 908 28 69.80 68.60 68.60 0.00 952.80 952.50 779.60 172.90
29 20129 839 26 61.30 63.20 63.20 0.00 952.30 952.80 780.40 172.40
30 15276 636 27 45.90 48.20 48.20 0.00 951.70 952.30 779.90 172.40
TOT603024  797        
AVG 20101 838 27 61.85 62.07 62.07 0.00 952.73 952.77 777.36 175.41
MAX 24647   78.00 77.00 77.00 0.00 953.40 953.30 781.70 178.50
MIN 14951   45.90 45.50 45.50 0.00 951.70 952.10 774.80 171.20