Libby Dam & Lake Koocanusa
Sunday September 20, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 6.50 | 6.50 | 0.00 | 2444.81 | 2119.19 | 325.62 |
| 2 | 6.50 | 6.50 | 0.00 | 2444.81 | 2119.19 | 325.62 |
| 3 | 6.50 | 6.50 | 0.00 | 2444.80 | 2119.19 | 325.61 |
| 4 | 6.50 | 6.50 | 0.00 | 2444.80 | 2119.19 | 325.61 |
| 5 | 6.50 | 6.50 | 0.00 | 2444.81 | 2119.21 | 325.60 |
| 6 | 6.50 | 6.50 | 0.00 | 2444.81 | 2119.21 | 325.60 |
| 7 | 6.50 | 6.50 | 0.00 | 2444.81 | 2119.16 | 325.65 |
| 8 | 6.50 | 6.50 | 0.00 | 2444.81 | 2119.20 | 325.61 |
| 9 | 6.50 | 6.50 | 0.00 | 2444.81 | 2119.19 | 325.62 |
| 10 | 6.50 | 6.50 | 0.00 | 2444.82 | 2119.20 | 325.62 |
| 11 | 6.50 | 6.50 | 0.00 | 2444.83 | 2119.20 | 325.63 |
| 12 | 6.50 | 6.50 | 0.00 | 2444.83 | 2119.17 | 325.66 |
| 13 | 6.50 | 6.50 | 0.00 | 2444.83 | 2119.18 | 325.65 |
| 14 | 6.50 | 6.50 | 0.00 | 2444.83 | 2119.20 | 325.63 |
| 15 | 6.50 | 6.50 | 0.00 | 2444.82 | 2119.18 | 325.64 |
| 16 | 6.50 | 6.50 | 0.00 | 2444.82 | 2119.18 | 325.64 |
| 17 | 6.50 | 6.50 | 0.00 | 2444.81 | 2119.16 | 325.65 |
| 18 | 6.50 | 6.50 | 0.00 | 2444.80 | 2119.18 | 325.62 |
| 19 | 6.50 | 6.50 | 0.00 | 2444.79 | 2119.20 | 325.59 |
| 20 | 6.50 | 6.50 | 0.00 | 2444.78 | 2119.19 | 325.59 |
| 21 | 6.50 | 6.50 | 0.00 | 2444.77 | 2119.21 | 325.56 |
| 22 | 6.50 | 6.50 | 0.00 | 2444.76 | 2119.20 | 325.56 |
| 23 | 6.50 | 6.50 | 0.00 | 2444.75 | 2119.20 | 325.55 |
| 24 | 6.50 | 6.50 | 0.00 | 2444.75 | 2119.19 | 325.56 |
|
| AVG | 6.50 | 6.50 | 0.00 | 2444.80 | 2119.19 | 325.61 |
|
| MAX | 6.50 | 6.50 | 0.00 | 2444.83 | 2119.21 | 325.66 |
| MIN | 6.50 | 6.50 | 0.00 | 2444.75 | 2119.16 | 325.55 |