Chief Joseph Dam
Wednesday January 21, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Average Forebay Elevation | Average Tailwater Elevation |
|---|
| 1 | 150.60 | 150.60 | 0.00 | 952.20 | 785.60 | 166.60 | 952.20 | 785.70 |
| 2 | 148.40 | 148.40 | 0.00 | 952.30 | 785.70 | 166.60 | 952.30 | 785.60 |
| 3 | 148.10 | 148.10 | 0.00 | 952.10 | 785.60 | 166.50 | 952.20 | 785.60 |
| 4 | 152.00 | 152.00 | 0.00 | 951.90 | 785.70 | 166.20 | 952.00 | 785.70 |
| 5 | 152.10 | 152.10 | 0.00 | 951.80 | 785.70 | 166.10 | 951.80 | 785.70 |
| 6 | 152.10 | 152.10 | 0.00 | 951.70 | 785.80 | 165.90 | 951.80 | 785.70 |
| 7 | 152.40 | 152.40 | 0.00 | 951.70 | 785.80 | 165.90 | 951.70 | 785.70 |
| 8 | 152.30 | 152.30 | 0.00 | 951.60 | 785.80 | 165.80 | 951.60 | 785.80 |
| 9 | 152.50 | 152.50 | 0.00 | 951.60 | 785.90 | 165.70 | 951.60 | 785.80 |
| 10 | 152.10 | 152.10 | 0.00 | 951.70 | 785.70 | 166.00 | 951.70 | 785.80 |
| 11 | 149.30 | 149.30 | 0.00 | 952.00 | 784.80 | 167.20 | 951.80 | 785.60 |
| 12 | 104.90 | 104.90 | 0.00 | 952.40 | 783.40 | 169.00 | 952.30 | 783.30 |
| 13 | 100.80 | 100.80 | 0.00 | 952.60 | 783.40 | 169.20 | 952.50 | 783.20 |
| 14 | 107.30 | 107.30 | 0.00 | 952.90 | 782.90 | 170.00 | 952.70 | 783.30 |
| 15 | 107.00 | 107.00 | 0.00 | 952.80 | 783.20 | 169.60 | 953.00 | 782.90 |
| 16 | 142.10 | 142.10 | 0.00 | 952.50 | 784.40 | 168.10 | 952.60 | 784.60 |
| 17 | 147.20 | 147.20 | 0.00 | 952.20 | 784.70 | 167.50 | 952.40 | 784.50 |
| 18 | 147.30 | 147.30 | 0.00 | 952.10 | 784.60 | 167.50 | 952.00 | 784.50 |
| 19 | 149.60 | 149.60 | 0.00 | 952.20 | 784.50 | 167.70 | 952.20 | 784.60 |
| 20 | 142.70 | 142.70 | 0.00 | 952.50 | 784.30 | 168.20 | 952.40 | 784.30 |
| 21 | 144.00 | 144.00 | 0.00 | 952.80 | 784.40 | 168.40 | 952.60 | 784.40 |
| 22 | 147.80 | 147.80 | 0.00 | 952.90 | 784.50 | 168.40 | 952.80 | 784.60 |
| 23 | 142.90 | 142.90 | 0.00 | 953.10 | 784.30 | 168.80 | 953.10 | 784.30 |
| 24 | 138.90 | 138.90 | 0.00 | 953.40 | 784.00 | 169.40 | 953.20 | 784.20 |
|
| AVG | 141.02 | 141.02 | 0.00 | 952.29 | 784.78 | 167.51 | 952.27 | 784.81 |
|
| MAX | 152.50 | 152.50 | 0.00 | 953.40 | 785.90 | 170.00 | 953.20 | 785.80 |
| MIN | 100.80 | 100.80 | 0.00 | 951.60 | 782.90 | 165.70 | 951.60 | 782.90 |