Chief Joseph Dam
Wednesday October 22, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Average Forebay Elevation | Average Tailwater Elevation |
| 1 | 53.90 | 53.90 | 0.00 | 952.50 | 778.90 | 173.60 | 952.60 | 779.10 |
| 2 | 47.40 | 47.40 | 0.00 | 952.60 | 779.00 | 173.60 | 952.50 | 778.80 |
| 3 | 48.10 | 48.10 | 0.00 | 952.50 | 778.80 | 173.70 | 952.60 | 779.00 |
| 4 | 44.70 | 44.70 | 0.00 | 952.50 | 778.60 | 173.90 | 952.40 | 778.80 |
| 5 | 42.20 | 42.20 | 0.00 | 952.50 | 779.10 | 173.40 | 952.50 | 778.80 |
| 6 | 53.90 | 53.90 | 0.00 | 952.50 | 780.30 | 172.20 | 952.50 | 779.30 |
| 7 | 89.90 | 89.90 | 0.00 | 952.60 | 781.10 | 171.50 | 952.50 | 780.90 |
| 8 | 110.60 | 110.60 | 0.00 | 953.00 | 781.70 | 171.30 | 952.80 | 781.70 |
| 9 | 106.00 | 106.00 | 0.00 | 953.30 | 781.50 | 171.80 | 953.10 | 781.60 |
| 10 | 100.80 | 100.80 | 0.00 | 953.60 | 781.30 | 172.30 | 953.40 | 781.50 |
| 11 | 91.90 | 91.90 | 0.00 | 953.50 | 781.80 | 171.70 | 953.60 | 781.30 |
| 12 | 97.60 | 97.60 | 0.00 | 953.40 | 781.80 | 171.60 | 953.50 | 781.90 |
| 13 | 97.70 | 97.70 | 0.00 | 953.30 | 781.60 | 171.70 | 953.40 | 781.70 |
| 14 | 84.40 | 84.40 | 0.00 | 953.10 | 781.30 | 171.80 | 953.20 | 781.30 |
| 15 | 74.00 | 74.00 | 0.00 | 952.90 | 780.50 | 172.40 | 953.00 | 780.80 |
| 16 | 75.20 | 75.20 | 0.00 | 952.70 | 780.10 | 172.60 | 952.80 | 780.30 |
| 17 | 57.10 | 57.10 | 0.00 | 952.80 | 780.50 | 172.30 | 952.70 | 780.02 |
| 18 | 67.70 | 67.70 | 0.00 | 952.40 | 781.50 | 170.90 | 952.60 | 781.00 |
| 19 | 70.30 | 70.30 | 0.00 | 952.30 | 780.50 | 171.80 | 952.40 | 780.60 |
| 20 | 67.60 | 67.60 | 0.00 | 952.60 | 780.10 | 172.50 | 952.50 | 780.40 |
| 21 | 66.60 | 66.60 | 0.00 | 952.50 | 779.80 | 172.70 | 952.60 | 780.30 |
| 22 | 62.00 | 62.00 | 0.00 | 952.40 | 779.50 | 172.90 | 952.50 | 779.90 |
| 23 | 48.90 | 48.90 | 0.00 | 952.30 | 779.00 | 173.30 | 952.30 | 779.40 |
| 24 | 30.10 | 30.10 | 0.00 | 952.30 | 779.20 | 173.10 | 952.40 | 778.80 |
|
| AVG | 70.36 | 70.36 | 0.00 | 952.75 | 780.31 | 172.44 | 952.77 | 780.30 |
|
| MAX | 110.60 | 110.60 | 0.00 | 953.60 | 781.80 | 173.90 | 953.60 | 781.90 |
| MIN | 30.10 | 30.10 | 0.00 | 952.30 | 778.60 | 170.90 | 952.30 | 778.80 |