Chief Joseph Dam
Tuesday August 26, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Average Forebay Elevation | Average Tailwater Elevation |
|---|
| 1 | 86.10 | 86.10 | 0.00 | 952.90 | 781.50 | 171.40 | 952.90 | 781.90 |
| 2 | 60.20 | 60.20 | 0.00 | 952.90 | 780.60 | 172.30 | 953.00 | 780.60 |
| 3 | 51.90 | 51.90 | 0.00 | 952.90 | 779.80 | 173.10 | 952.90 | 780.20 |
| 4 | 44.10 | 44.10 | 0.00 | 953.00 | 779.00 | 174.00 | 952.90 | 779.50 |
| 5 | 40.50 | 40.50 | 0.00 | 953.10 | 778.60 | 174.50 | 953.00 | 778.80 |
| 6 | 46.00 | 46.00 | 0.00 | 953.00 | 778.60 | 174.40 | 953.00 | 778.60 |
| 7 | 69.10 | 69.10 | 0.00 | 952.90 | 779.30 | 173.60 | 952.90 | 779.20 |
| 8 | 70.40 | 70.40 | 0.00 | 953.50 | 778.60 | 174.90 | 953.10 | 778.80 |
| 9 | 75.40 | 75.40 | 0.00 | 953.80 | 779.20 | 174.60 | 953.70 | 778.90 |
| 10 | 96.80 | 96.80 | 0.00 | 953.80 | 780.20 | 173.60 | 953.70 | 780.20 |
| 11 | 106.60 | 106.60 | 0.00 | 953.60 | 781.20 | 172.40 | 953.70 | 780.70 |
| 12 | 107.00 | 107.00 | 0.00 | 953.60 | 781.10 | 172.50 | 953.60 | 781.00 |
| 13 | 117.70 | 117.70 | 0.00 | 953.20 | 781.90 | 171.30 | 953.40 | 781.60 |
| 14 | 127.90 | 127.90 | 0.00 | 953.10 | 782.80 | 170.30 | 953.20 | 782.60 |
| 15 | 130.00 | 130.00 | 0.00 | 953.10 | 782.70 | 170.40 | 953.10 | 782.90 |
| 16 | 121.70 | 121.70 | 0.00 | 953.20 | 782.80 | 170.40 | 953.20 | 782.50 |
| 17 | 129.70 | 129.70 | 0.00 | 953.10 | 783.10 | 170.00 | 953.20 | 783.10 |
| 18 | 131.00 | 131.00 | 0.00 | 952.90 | 783.40 | 169.50 | 953.00 | 783.10 |
| 19 | 139.90 | 139.90 | 0.00 | 952.70 | 784.20 | 168.50 | 952.90 | 783.70 |
| 20 | 143.00 | 143.00 | 0.00 | 952.80 | 783.80 | 169.00 | 952.80 | 784.10 |
| 21 | 138.80 | 138.80 | 0.00 | 952.60 | 784.00 | 168.60 | 952.70 | 784.00 |
| 22 | 125.80 | 125.80 | 0.00 | 952.40 | 783.90 | 168.50 | 952.60 | 783.60 |
| 23 | 119.60 | 119.60 | 0.00 | 952.20 | 782.90 | 169.30 | 952.30 | 783.50 |
| 24 | 86.00 | 86.00 | 0.00 | 952.20 | 781.80 | 170.40 | 952.30 | 781.70 |
|
| AVG | 98.55 | 98.55 | 0.00 | 953.02 | 781.46 | 171.56 | 953.05 | 781.45 |
|
| MAX | 143.00 | 143.00 | 0.00 | 953.80 | 784.20 | 174.90 | 953.70 | 784.10 |
| MIN | 40.50 | 40.50 | 0.00 | 952.20 | 778.60 | 168.50 | 952.30 | 778.60 |