Chief Joseph Dam
Monday October 20, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Average Forebay Elevation | Average Tailwater Elevation |
| 1 | 43.80 | 43.80 | 0.00 | 952.70 | 778.50 | 174.20 | 952.70 | 778.70 |
| 2 | 42.30 | 42.30 | 0.00 | 952.60 | 779.00 | 173.60 | 952.70 | 778.90 |
| 3 | 40.60 | 40.60 | 0.00 | 952.60 | 778.60 | 174.00 | 952.60 | 778.70 |
| 4 | 37.20 | 37.20 | 0.00 | 952.70 | 778.60 | 174.10 | 952.70 | 778.60 |
| 5 | 38.90 | 38.90 | 0.00 | 952.70 | 778.80 | 173.90 | 952.70 | 778.80 |
| 6 | 49.70 | 49.70 | 0.00 | 952.80 | 778.90 | 173.90 | 952.60 | 779.00 |
| 7 | 48.60 | 48.60 | 0.00 | 953.20 | 779.10 | 174.10 | 952.90 | 778.80 |
| 8 | 59.20 | 59.20 | 0.00 | 953.10 | 778.80 | 174.30 | 953.20 | 779.00 |
| 9 | 60.90 | 60.90 | 0.00 | 953.10 | 779.30 | 173.80 | 953.10 | 779.00 |
| 10 | 67.20 | 67.20 | 0.00 | 953.20 | 779.20 | 174.00 | 953.20 | 779.40 |
| 11 | 69.20 | 69.20 | 0.00 | 953.20 | 779.50 | 173.70 | 953.30 | 779.50 |
| 12 | 60.60 | 60.60 | 0.00 | 953.30 | 779.40 | 173.90 | 953.30 | 779.30 |
| 13 | 66.80 | 66.80 | 0.00 | 953.00 | 779.80 | 173.20 | 953.20 | 779.70 |
| 14 | 66.60 | 66.60 | 0.00 | 952.90 | 779.80 | 173.10 | 952.90 | 779.70 |
| 15 | 68.00 | 68.00 | 0.00 | 953.00 | 780.00 | 173.00 | 952.90 | 779.90 |
| 16 | 63.10 | 63.10 | 0.00 | 953.00 | 780.10 | 172.90 | 953.00 | 779.80 |
| 17 | 68.40 | 68.40 | 0.00 | 952.60 | 780.70 | 171.90 | 952.80 | 780.20 |
| 18 | 77.60 | 77.60 | 0.00 | 952.70 | 780.80 | 171.90 | 952.60 | 780.50 |
| 19 | 81.30 | 81.30 | 0.00 | 952.80 | 780.60 | 172.20 | 952.80 | 780.70 |
| 20 | 81.90 | 81.90 | 0.00 | 953.00 | 780.60 | 172.40 | 952.90 | 780.70 |
| 21 | 80.50 | 80.50 | 0.00 | 952.90 | 781.00 | 171.90 | 953.00 | 780.70 |
| 22 | 95.80 | 95.80 | 0.00 | 952.60 | 781.60 | 171.00 | 952.80 | 781.40 |
| 23 | 106.30 | 106.30 | 0.00 | 952.30 | 781.00 | 171.30 | 952.40 | 782.00 |
| 24 | 59.20 | 59.20 | 0.00 | 952.40 | 779.70 | 172.70 | 952.30 | 779.60 |
|
| AVG | 63.90 | 63.90 | 0.00 | 952.85 | 779.72 | 173.13 | 952.86 | 779.69 |
|
| MAX | 106.30 | 106.30 | 0.00 | 953.30 | 781.60 | 174.30 | 953.30 | 782.00 |
| MIN | 37.20 | 37.20 | 0.00 | 952.30 | 778.50 | 171.00 | 952.30 | 778.60 |