US Army Corps of Engineers

Libby Dam & Lake Koocanusa

May 2022

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feetMidnight Storage kaf
1 3351 140 16 8.00 7.48 7.48 0.00 2369.04 2369.03 2119.52 249.51 1696.30
2 3629 151 16 8.10 8.00 8.00 0.00 2369.05 2369.05 2119.75 249.30 1696.60
3 3624 151 15 9.07 8.00 8.00 0.00 2369.13 2369.09 2119.75 249.34 1698.70
4 3617 151 15 12.42 8.00 8.00 0.00 2369.46 2369.30 2119.75 249.55 1707.50
5 3621 151 15 16.33 8.00 8.00 0.00 2370.08 2369.76 2119.75 250.01 1724.00
6 4681 195 15 23.37 10.41 10.41 0.00 2371.04 2370.54 2120.49 250.05 1749.68
7 5537 231 16 26.82 12.30 12.30 0.00 2372.11 2371.61 2121.15 250.46 1778.49
8 5553 231 16 25.12 12.30 12.30 0.00 2373.05 2372.61 2121.20 251.41 1803.93
9 5577 232 16 22.58 12.30 12.30 0.00 2373.80 2373.43 2121.20 252.23 1824.33
10 5596 233 16 18.48 12.30 12.30 0.00 2374.25 2374.03 2121.20 252.83 1836.60
11 5580 233 16 17.12 12.30 12.30 0.00 2374.60 2374.45 2121.20 253.25 1846.17
12 5587 233 15 15.48 12.30 12.30 0.00 2374.83 2374.72 2121.20 253.52 1852.47
13 5591 233 15 14.65 12.30 12.30 0.00 2375.00 2374.90 2121.20 253.70 1857.13
14 5603 233 15 14.10 12.30 12.30 0.00 2375.13 2375.10 2121.20 253.90 1860.70
15 5592 233 14 13.54 12.30 12.30 0.00 2375.22 2375.20 2121.20 254.00 1863.17
16 8842 368 16 13.20 19.70 19.70 0.00 2374.75 2375.02 2123.20 251.82 1850.28
17 10336 431 16 17.24 23.72 23.72 0.00 2374.28 2374.51 2124.10 250.41 1837.42
18 10431 435 16 19.35 24.30 24.30 0.00 2373.92 2374.08 2124.20 249.88 1827.60
19 10384 433 16 19.98 24.10 24.10 0.00 2373.62 2373.75 2124.20 249.55 1819.43
20 10373 432 16 19.85 24.10 24.10 0.00 2373.31 2373.49 2124.20 249.29 1810.99
21 17.40 24.10 24.10 0.00 2372.83 2373.07 2124.20 248.87 1797.70
22 16.05 24.10 24.10 0.00 2372.23 2372.52 2124.20 248.32 1781.73
23 15.86 24.02 24.02 0.00 2371.63 2371.92 2124.20 247.72 1765.54
24 15.47 24.00 24.00 0.00 2371.00 2371.30 2124.20 247.10 1748.61
25 17.18 23.80 23.80 0.00 2370.51 2370.74 2124.10 246.64 1735.47
26 17.74 23.80 23.80 0.00 2370.06 2370.27 2124.10 246.17 1723.44
27 21.92 23.80 23.80 0.00 2369.92 2369.96 2124.10 245.86 1719.70
28
29
30
31
TOT123104  311         
AVG 6155 256 16 16.90 16.45 16.45 0.00 2372.36 2372.35 2122.18 250.17 1785.69
MAX 10431   26.82 24.30 24.30 0.00 2375.22 2375.20 2124.20 254.00 1863.17
MIN 3351   8.00 7.48 7.48 0.00 2369.04 2369.03 2119.52 245.86 1696.30
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