Chief Joseph Dam
Thursday December 11, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Average Forebay Elevation | Average Tailwater Elevation |
|---|
| 1 | 41.60 | 41.60 | 0.00 | 952.70 | 779.10 | 173.60 | 952.70 | 779.20 |
| 2 | 40.70 | 40.70 | 0.00 | 952.70 | 778.80 | 173.90 | 952.70 | 779.00 |
| 3 | 36.70 | 36.70 | 0.00 | 952.60 | 778.80 | 173.80 | 952.70 | 778.80 |
| 4 | 35.80 | 35.80 | 0.00 | 952.70 | 778.60 | 174.10 | 952.70 | 778.70 |
| 5 | 34.60 | 34.60 | 0.00 | 952.70 | 778.80 | 173.90 | 952.70 | 778.80 |
| 6 | 35.10 | 35.10 | 0.00 | 952.60 | 778.50 | 174.10 | 952.70 | 778.50 |
| 7 | 42.80 | 42.80 | 0.00 | 952.80 | 778.50 | 174.30 | 952.70 | 778.70 |
| 8 | 50.20 | 50.20 | 0.00 | 953.00 | 778.20 | 174.80 | 952.90 | 778.50 |
| 9 | 50.50 | 50.50 | 0.00 | 953.20 | 778.30 | 174.90 | 953.10 | 778.30 |
| 10 | 50.90 | 50.90 | 0.00 | 953.10 | 778.10 | 175.00 | 953.20 | 778.20 |
| 11 | 50.70 | 50.70 | 0.00 | 953.10 | 778.10 | 175.00 | 953.00 | 778.10 |
| 12 | 53.90 | 53.90 | 0.00 | 953.20 | 778.00 | 175.20 | 953.10 | 778.40 |
| 13 | 53.70 | 53.70 | 0.00 | 953.50 | 778.40 | 175.10 | 953.40 | 778.50 |
| 14 | 49.60 | 49.60 | 0.00 | 953.40 | 778.80 | 174.60 | 953.50 | 778.50 |
| 15 | 51.20 | 51.20 | 0.00 | 953.20 | 778.80 | 174.40 | 953.30 | 778.80 |
| 16 | 55.30 | 55.30 | 0.00 | 953.00 | 779.80 | 173.20 | 953.10 | 779.20 |
| 17 | 97.90 | 97.90 | 0.00 | 952.80 | 781.80 | 171.00 | 952.80 | 781.60 |
| 18 | 103.00 | 103.00 | 0.00 | 952.80 | 782.20 | 170.60 | 952.80 | 781.80 |
| 19 | 107.40 | 107.40 | 0.00 | 952.80 | 782.20 | 170.60 | 952.80 | 782.20 |
| 20 | 93.60 | 93.60 | 0.00 | 952.90 | 781.80 | 171.10 | 952.80 | 781.90 |
| 21 | 92.70 | 92.70 | 0.00 | 953.00 | 781.70 | 171.30 | 952.90 | 781.80 |
| 22 | 81.80 | 81.80 | 0.00 | 953.20 | 781.40 | 171.80 | 953.00 | 781.50 |
| 23 | 68.00 | 68.00 | 0.00 | 953.30 | 781.10 | 172.20 | 953.20 | 781.10 |
| 24 | 65.20 | 65.20 | 0.00 | 953.20 | 781.10 | 172.10 | 953.20 | 781.10 |
|
| AVG | 60.12 | 60.12 | 0.00 | 952.98 | 779.62 | 173.36 | 952.96 | 779.63 |
|
| MAX | 107.40 | 107.40 | 0.00 | 953.50 | 782.20 | 175.20 | 953.50 | 782.20 |
| MIN | 34.60 | 34.60 | 0.00 | 952.60 | 778.00 | 170.60 | 952.70 | 778.10 |