Libby Dam & Lake Koocanusa
June 2026
| Day of Month | Total Generation MWh | Average Generation MW | Station Use MWh | Inflow kcfs | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Midnight Reservoir Elevation | Average Forebay Elevation | Average Tailwater Elevation | Average Head feet | Midnight Storage kaf |
| 1 | | | | 63.60 | 25.00 | 25.00 | 0.00 | 2416.04 | 2415.09 | 2124.36 | 290.73 | 3165.60 |
| 2 | | | | 60.65 | 25.00 | 25.00 | 0.00 | 2417.91 | 2417.05 | 2124.35 | 292.70 | 3236.30 |
| 3 | | | | 53.13 | 25.00 | 25.00 | 0.00 | 2419.37 | 2418.72 | 2124.34 | 294.38 | 3292.10 |
| 4 | | | | 48.12 | 25.00 | 25.00 | 0.00 | 2420.56 | 2420.00 | 2124.35 | 295.65 | 3338.00 |
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| TOT | | | | | | | | | | | | |
| AVG | | | | 56.38 | 25.00 | 25.00 | 0.00 | 2418.47 | 2417.72 | 2124.35 | 293.37 | 3258.00 |
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| MAX | | | | 63.60 | 25.00 | 25.00 | 0.00 | 2420.56 | 2420.00 | 2124.36 | 295.65 | 3338.00 |
| MIN | | | | 48.12 | 25.00 | 25.00 | 0.00 | 2416.04 | 2415.09 | 2124.34 | 290.73 | 3165.60 |