US Army Corps of Engineers

Libby Dam & Lake Koocanusa

May 2020

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 7965 332 17 17.30 16.06 16.06 0.00 2405.59 2405.56 2122.18 283.38 2786.60
2 8345 348 17 17.30 17.00 17.00 0.00 2405.61 2405.61 2122.40 283.21 2787.30
3 8376 349 19 17.90 17.00 17.00 0.00 2405.66 2405.63 2122.40 283.23 2789.10
4 8376 349 19 19.80 17.00 17.00 0.00 2405.82 2405.76 2122.40 283.36 2794.60
5 8376 349 19 18.20 17.00 17.00 0.00 2405.89 2405.88 2122.40 283.48 2797.10
6 8376 349 19 17.00 17.00 17.00 0.00 2405.89 2405.90 2122.40 283.50 2797.10
7 8376 349 19 18.60 17.00 17.00 0.00 2405.98 2405.94 2122.40 283.54 2800.20
8 8688 362 19 17.70 17.40 17.40 0.00 2406.00 2405.99 2122.56 283.43 2800.90
9 8760 365 19 18.60 17.50 17.50 0.00 2406.06 2406.03 2122.60 283.43 2803.00
10 8760 365 20 19.10 17.50 17.50 0.00 2406.15 2406.11 2122.60 283.51 2806.10
11 8760 365 20 18.60 17.50 17.50 0.00 2406.21 2406.20 2122.60 283.60 2808.20
12 8760 365 20 18.60 17.50 17.50 0.00 2406.27 2406.21 2122.60 283.61 2810.30
13 8269 345 20 17.60 16.70 16.70 0.00 2406.32 2406.31 2122.40 283.91 2812.00
14 8760 365 20 18.00 17.50 17.50 0.00 2406.37 2406.33 2122.65 283.68 2813.10
15 8760 365 20 17.80 17.50 17.50 0.00 2406.37 2406.34 2122.65 283.69 2813.80
16 8760 365 20 20.00 17.50 17.50 0.00 2406.51 2406.43 2122.65 283.78 2818.70
17 8760 365 17 23.50 17.50 17.50 0.00 2406.85 2406.67 2122.65 284.02 2830.60
18 8760 365 17 25.10 17.50 17.50 0.00 2407.28 2407.05 2122.65 284.40 2845.70
19 8760 365 17 28.40 17.50 17.50 0.00 2407.89 2407.59 2122.65 284.94 2867.20
20 8760 365 17 31.80 17.50 17.50 0.00 2408.69 2408.30 2122.65 285.65 2895.70
21 9373 391 17 36.70 18.75 18.75 0.00 2409.68 2409.13 2122.91 286.22 2931.20
22 46.70 20.00 20.00 0.00 2411.14 2410.43 2123.15 287.28 2984.20
23 44.20 20.00 20.00 0.00 2412.45 2411.86 2123.14 288.72 3032.10
24 37.10 20.00 20.00 0.00 2413.37 2412.95 2123.15 289.80 3066.00
25 33.80 20.00 20.00 0.00 2414.11 2413.77 2123.10 290.67 3093.40
26 35.80 20.00 20.00 0.00 2414.95 2414.53 2123.10 291.43 3124.70
27 38.10 20.00 20.00 0.00 2415.92 2415.44 2123.10 292.34 3160.70
28 38.80 20.00 20.00 0.00 2416.90 2416.46 2123.10 293.36 3198.00
29
30
31
TOT180880  392         
AVG 8613 359 19 25.43 17.98 17.98 0.00 2408.43 2408.23 2122.69 285.54 2888.13
MAX 9373   46.70 20.00 20.00 0.00 2416.90 2416.46 2123.15 293.36 3198.00
MIN 7965   17.00 16.06 16.06 0.00 2405.59 2405.56 2122.18 283.21 2786.60