US Army Corps of Engineers

Chief Joseph Dam & Rufus Woods Lake

May 2022

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 25449 1060 33 80.60 79.40 79.40 0.00 953.10 953.00 780.50 172.50
2 24385 1016 29 77.40 76.20 76.20 0.00 953.40 953.10 780.20 172.90
3 29374 1224 30 89.50 91.80 91.80 0.00 952.80 953.60 781.60 172.00
4 34606 1442 29 107.70 108.90 108.90 0.00 952.50 952.90 782.60 170.30
5 29607 1234 28 91.00 92.50 92.50 0.00 952.10 952.70 781.00 171.70
6 24255 1011 30 81.50 74.90 74.90 0.00 953.80 952.40 779.30 173.10
7 19298 804 32 54.40 59.80 59.80 0.00 952.40 953.40 779.70 173.70
8 22324 930 30 70.40 69.20 69.20 0.00 952.70 953.10 779.30 173.80
9 30504 1271 31 96.70 95.90 95.90 0.00 952.90 952.60 782.20 170.40
10 40651 1694 29 130.60 129.00 129.00 0.00 953.30 952.70 784.10 168.60
11 41615 1734 27 133.00 131.40 131.40 0.00 953.70 953.10 784.30 168.80
12 44732 1864 27 143.20 147.90 142.50 5.40 952.50 952.90 785.20 167.70
13 45835 1910 27 154.50 146.30 146.30 0.00 954.60 952.40 785.00 167.40
14 47213 1967 24 145.20 149.50 149.50 0.00 953.50 953.50 785.20 168.30
15 43427 1809 29 143.70 137.70 137.70 0.00 955.00 953.10 784.70 168.40
16 35127 1464 26 109.20 111.30 111.30 0.00 954.50 952.70 782.90 169.80
17 42382 1766 27 127.70 134.70 134.70 0.00 952.70 953.00 784.50 168.50
18 39044 1627 27 130.30 124.10 124.10 0.00 954.30 952.60 783.90 168.70
19 41303 1721 26 128.60 130.90 130.90 0.00 953.70 953.40 784.40 169.00
20 43565 1815 26 136.10 139.60 139.60 0.00 952.80 951.90 784.90 167.00
21 145.00 145.40 145.40 0.00 952.70 952.80 785.20 167.60
22 147.90 140.10 139.30 0.80 954.70 953.40 784.70 168.70
23 142.40 149.40 146.10 3.30 952.90 953.10 785.40 167.70
24 161.00 152.40 152.40 0.00 955.10 953.30 785.50 167.80
25 146.40 154.60 154.60 0.00 953.00 953.10 785.50 167.60
26 148.10 150.40 148.90 1.50 952.40 951.90 785.20 166.70
27 146.50 140.70 130.30 10.40 953.90 952.00 784.50 167.50
28
29
30
31
TOT704696  567        
AVG 35235 1468 28 121.06 120.89 120.10 0.79 953.37 952.88 783.39 169.49
MAX 47213   161.00 154.60 154.60 10.40 955.10 953.60 785.50 173.80
MIN 19298   54.40 59.80 59.80 0.00 952.10 951.90 779.30 166.70