US Army Corps of Engineers

Libby Dam & Lake Koocanusa

January 2023

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 2750 115 26 3.90 5.06 5.06 0.00 2419.20 2419.22 2118.43 300.79 3285.60
2 2200 92 26 3.10 4.02 4.02 0.00 2419.15 2419.18 2117.93 301.25 3283.70
3 2189 91 28 2.80 4.00 4.00 0.00 2419.09 2419.12 2117.90 301.22 3281.40
4 2189 91 28 4.00 4.00 4.00 0.00 2419.09 2419.08 2117.90 301.18 3281.40
5 2192 91 29 1.50 4.00 4.00 0.00 2418.96 2419.03 2117.90 301.13 3276.40
6 2193 91 27 2.50 4.00 4.00 0.00 2418.87 2418.92 2117.90 301.02 3273.30
7 2191 91 28 2.50 4.00 4.00 0.00 2418.85 2418.87 2117.90 300.97 3270.30
8 2182 91 27 2.00 4.00 4.00 0.00 2418.70 2418.78 2117.90 300.88 3266.40
9 2189 91 27 3.40 4.00 4.00 0.00 2418.67 2418.69 2117.90 300.79 3265.30
10 2185 91 26 2.80 4.00 4.00 0.00 2418.61 2418.64 2117.90 300.74 3263.00
11 2190 91 26 3.00 4.00 4.00 0.00 2418.56 2418.59 2117.90 300.69 3261.10
12 2186 91 25 2.50 4.00 4.00 0.00 2418.48 2418.52 2117.90 300.62 3258.00
13 2196 92 25 2.50 4.00 4.00 0.00 2418.40 2418.43 2117.90 300.53 3255.00
14 2189 91 24 2.50 4.00 4.00 0.00 2418.32 2418.36 2117.90 300.46 3251.90
15 2690 112 24 2.70 4.96 4.96 0.00 2418.20 2418.28 2118.25 300.03 3247.30
16 6974 291 24 3.60 12.98 12.98 0.00 2417.71 2417.97 2121.21 296.76 3228.70
17 9389 391 25 3.20 17.73 17.73 0.00 2416.95 2417.34 2122.54 294.80 3199.90
18 9701 404 25 3.30 18.54 18.54 0.00 2416.15 2416.54 2122.80 293.74 3169.70
19 9727 405 25 2.80 18.54 18.54 0.00 2415.32 2415.73 2122.79 292.94 3138.50
20 7668 320 25 4.20 14.58 14.58 0.00 2414.77 2415.01 2121.75 293.26 3118.00
21 4835 201 25 2.10 9.04 9.04 0.00 2414.40 2414.57 2120.07 294.50 3104.20
22 2.50 9.04 9.04 0.00 2414.05 2414.22 2120.06 294.16 3091.20
23 2.40 17.73 17.73 0.00 2413.23 2413.67 2122.53 291.14 3060.80
24 3.10 18.54 18.54 0.00 2412.40 2412.81 2122.85 289.96 3030.30
25 2.70 18.54 18.54 0.00 2411.54 2411.99 2122.83 289.16 2998.80
26 2.20 18.54 18.54 0.00 2410.65 2411.08 2122.83 288.25 2966.30
27 5.10 14.58 14.58 0.00 2410.13 2410.35 2121.70 288.65 2947.50
28 3.90 9.96 9.96 0.00 2409.80 2409.94 2120.32 289.62 2935.50
29
30
31
TOT 82202  545         
AVG 3914 163 26 2.96 9.30 9.30 0.00 2416.37 2416.53 2119.77 296.76 3178.91
MAX 9727   5.10 18.54 18.54 0.00 2419.20 2419.22 2122.85 301.25 3285.60
MIN 2182   1.50 4.00 4.00 0.00 2409.80 2409.94 2117.90 288.25 2935.50