US Army Corps of Engineers

Libby Dam & Lake Koocanusa

April 2025

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 2201 92 18 5.22 4.00 4.00 0.00 2405.89 2405.86 2118.00 287.86 2797.10
2 2205 92 19 5.40 4.00 4.00 0.00 2405.97 2405.93 2118.00 287.93 2799.80
3 2208 92 20 5.05 4.00 4.00 0.00 2406.03 2406.02 2118.00 288.02 2801.90
4 2206 92 21 4.70 4.00 4.00 0.00 2406.07 2406.06 2118.01 288.05 2803.30
5 2204 92 19 4.52 4.00 4.00 0.00 2406.10 2406.10 2118.00 288.10 2804.40
6 2202 92 18 4.88 4.00 4.00 0.00 2406.15 2406.14 2117.99 288.15 2806.10
7 2201 92 16 4.71 4.00 4.00 0.00 2406.19 2406.16 2118.00 288.16 2807.50
8 2201 92 16 5.23 4.00 4.00 0.00 2406.26 2406.21 2118.00 288.21 2809.90
9 2207 92 17 5.46 4.00 4.00 0.00 2406.40 2406.32 2118.00 288.32 2814.80
10 2200 92 18 5.76 4.00 4.00 0.00 2406.50 2406.46 2118.00 288.46 2818.30
11 2202 92 15 7.00 4.00 4.00 0.00 2406.67 2406.57 2118.00 288.57 2824.30
12 2203 92 17 6.47 4.00 4.00 0.00 2406.81 2406.73 2118.00 288.73 2829.20
13 2202 92 18 7.71 4.00 4.00 0.00 2407.02 2406.94 2118.00 288.94 2836.50
14 2199 92 18 7.54 4.00 4.00 0.00 2407.22 2407.14 2118.00 289.14 2843.60
15 2207 92 17 6.84 4.00 4.00 0.00 2407.38 2407.30 2118.01 289.29 2849.20
16 2203 92 17 7.38 4.00 4.00 0.00 2407.57 2407.51 2118.01 289.50 2855.90
17 2204 92 19 7.74 4.00 4.00 0.00 2407.78 2407.68 2118.01 289.67 2863.30
18 2202 92 19 7.22 4.00 4.00 0.00 2407.96 2407.87 2118.01 289.86 2869.70
19 2195 91 17 6.50 4.00 4.00 0.00 2408.10 2408.02 2118.02 290.00 2874.70
20 2202 92 16 8.66 4.00 4.00 0.00 2408.36 2408.26 2118.01 290.25 2883.90
21 2201 92 17 6.87 4.00 4.00 0.00 2408.52 2408.46 2117.99 290.47 2889.60
22 2201 92 18 8.68 4.00 4.00 0.00 2408.78 2408.70 2117.99 290.71 2898.90
23 2209 92 17 7.97 4.00 4.00 0.00 2409.00 2408.91 2117.99 290.92 2906.80
24 2202 92 16 7.43 4.00 4.00 0.00 2409.19 2409.10 2117.98 291.12 2913.60
25 2203 92 15 6.90 4.00 4.00 0.00 2409.35 2409.27 2117.98 291.29 2919.30
26 2200 92 15 7.44 4.00 4.00 0.00 2409.54 2409.45 2117.98 291.47 2926.20
27 2198 92 14 9.63 4.00 4.00 0.00 2409.85 2409.69 2117.97 291.72 2937.30
28 2200 92 14 9.84 4.00 4.00 0.00 2410.17 2410.01 2117.98 292.03 2948.90
29 2200 92 13 13.14 4.00 4.00 0.00 2410.67 2410.39 2117.98 292.41 2967.10
30 2355 98 14 13.67 4.31 4.31 0.00 2411.19 2410.93 2118.08 292.85 2985.60
TOT 66224  511         
AVG 2207 92 17 7.19 4.01 4.01 0.00 2407.76 2407.67 2118.00 289.67 2862.89
MAX 2355   13.67 4.31 4.31 0.00 2411.19 2410.93 2118.08 292.85 2985.60
MIN 2195   4.52 4.00 4.00 0.00 2405.89 2405.86 2117.97 287.86 2797.10