US Army Corps of Engineers

Chief Joseph Dam & Rufus Woods Lake

April 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 18956 790 33 63.00 59.10 59.10 0.00 954.70 953.30 780.60 172.70
2 18874 786 33 56.80 58.40 58.40 0.00 954.30 954.00 780.00 174.00
3 18080 753 32 53.40 56.10 56.10 0.00 953.60 954.10 780.30 173.80
4 17095 712 32 54.50 53.30 53.30 0.00 953.90 953.80 780.00 173.80
5 18228 760 31 57.10 56.70 56.70 0.00 954.00 953.70 780.40 173.30
6 18130 755 32 51.50 56.60 56.60 0.00 952.70 953.40 780.20 173.20
7 14680 612 31 47.70 45.80 45.80 0.00 953.20 952.80 779.90 172.90
8 19746 823 32 62.40 61.60 61.60 0.00 953.40 952.90 779.90 173.00
9 18397 767 32 59.60 57.30 57.30 0.00 954.00 953.40 779.70 173.70
10 18790 783 29 61.50 58.40 58.40 0.00 954.80 954.10 780.00 174.10
11 18666 778 31 51.40 57.60 57.60 0.00 953.20 953.70 779.40 174.30
12 16721 697 29 51.70 52.10 52.10 0.00 953.10 953.40 779.70 173.70
13 18559 773 31 57.10 57.50 57.50 0.00 953.20 953.30 779.50 173.80
14 13921 580 31 38.70 43.00 43.00 0.00 954.30 953.70 779.10 174.60
15 20652 860 29 61.50 63.80 63.80 0.00 953.70 953.90 779.10 174.80
16 27372 1140 29 87.40 85.10 85.10 0.00 954.30 953.30 780.10 173.20
17 27593 1150 29 85.50 86.30 86.30 0.00 954.10 953.70 780.90 172.80
18 28410 1184 28 90.30 88.00 88.00 0.00 954.70 954.00 780.50 173.50
19 23701 988 28 65.50 73.70 73.70 0.00 952.60 953.50 780.70 172.80
20 15592 650 28 53.30 48.60 48.60 0.00 953.80 953.30 780.20 173.10
21 18294 762 28 51.90 57.30 57.30 0.00 952.40 953.30 780.30 173.00
22 26746 1114 28 81.50 84.20 84.20 0.00 951.70 952.20 781.20 171.00
23 27416 1142 26 90.30 86.40 86.40 0.00 952.70 952.50 781.10 171.40
24 35366 1474 26 111.60 112.00 112.00 0.00 952.60 952.80 783.00 169.80
25 36644 1527 25 117.50 116.30 116.30 0.00 952.90 952.70 783.30 169.40
26 31479 1312 26 97.70 99.60 99.60 0.00 952.40 952.70 782.40 170.30
27 25934 1081 25 81.30 81.70 81.70 0.00 952.30 952.30 781.10 171.20
28 29552 1231 26 95.70 93.00 93.00 0.00 953.00 953.00 782.10 170.90
29 36404 1517 27 117.70 114.60 114.60 0.00 953.80 953.20 782.90 170.30
30 38070 1586 27 118.30 120.30 120.30 0.00 953.30 953.40 783.80 169.60
TOT698068  874        
AVG 23269 970 29 72.45 72.81 72.81 0.00 953.42 953.31 780.71 172.60
MAX 38070   118.30 120.30 120.30 0.00 954.80 954.10 783.80 174.80
MIN 13921   38.70 43.00 43.00 0.00 951.70 952.20 779.10 169.40