Chief Joseph Dam
Friday January 23, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Average Forebay Elevation | Average Tailwater Elevation |
|---|
| 1 | 128.70 | 128.70 | 0.00 | 952.60 | 784.20 | 168.40 | 952.70 | 784.20 |
| 2 | 126.50 | 126.50 | 0.00 | 952.30 | 783.90 | 168.40 | 952.20 | 784.10 |
| 3 | 114.60 | 114.60 | 0.00 | 952.40 | 783.40 | 169.00 | 952.40 | 783.50 |
| 4 | 117.60 | 117.60 | 0.00 | 952.20 | 783.60 | 168.60 | 952.30 | 783.50 |
| 5 | 138.80 | 138.80 | 0.00 | 951.90 | 784.60 | 167.30 | 952.00 | 784.40 |
| 6 | 146.40 | 146.40 | 0.00 | 951.70 | 784.90 | 166.80 | 951.80 | 784.80 |
| 7 | 148.60 | 148.60 | 0.00 | 951.70 | 785.00 | 166.70 | 951.70 | 784.90 |
| 8 | 149.20 | 149.20 | 0.00 | 951.70 | 785.10 | 166.60 | 951.70 | 785.00 |
| 9 | 147.60 | 147.60 | 0.00 | 951.90 | 785.00 | 166.90 | 951.80 | 785.00 |
| 10 | 144.40 | 144.40 | 0.00 | 952.00 | 785.10 | 166.90 | 951.90 | 785.00 |
| 11 | 133.80 | 133.80 | 0.00 | 952.20 | 784.70 | 167.50 | 952.10 | 784.70 |
| 12 | 133.10 | 133.10 | 0.00 | 952.30 | 784.80 | 167.50 | 952.30 | 784.70 |
| 13 | 134.50 | 134.50 | 0.00 | 952.20 | 784.80 | 167.40 | 952.30 | 784.80 |
| 14 | 133.20 | 133.20 | 0.00 | 952.30 | 784.80 | 167.50 | 952.30 | 784.90 |
| 15 | 124.00 | 124.00 | 0.00 | 952.10 | 784.60 | 167.50 | 952.20 | 784.50 |
| 16 | 125.50 | 125.50 | 0.00 | 951.90 | 784.90 | 167.00 | 952.00 | 784.60 |
| 17 | 131.50 | 131.50 | 0.00 | 951.70 | 785.10 | 166.60 | 951.80 | 784.80 |
| 18 | 135.80 | 135.80 | 0.00 | 951.80 | 784.90 | 166.90 | 951.70 | 784.90 |
| 19 | 147.30 | 147.30 | 0.00 | 951.90 | 785.20 | 166.70 | 951.80 | 785.30 |
| 20 | 149.10 | 149.10 | 0.00 | 952.00 | 785.20 | 166.80 | 951.90 | 785.20 |
| 21 | 149.30 | 149.30 | 0.00 | 952.20 | 785.00 | 167.20 | 952.10 | 785.20 |
| 22 | 145.90 | 145.90 | 0.00 | 952.30 | 784.90 | 167.40 | 952.30 | 785.00 |
| 23 | 146.50 | 146.50 | 0.00 | 952.40 | 785.00 | 167.40 | 952.40 | 785.00 |
| 24 | 145.40 | 145.40 | 0.00 | 952.50 | 784.90 | 167.60 | 952.50 | 784.90 |
|
| AVG | 137.39 | 137.39 | 0.00 | 952.09 | 784.73 | 167.36 | 952.09 | 784.70 |
|
| MAX | 149.30 | 149.30 | 0.00 | 952.60 | 785.20 | 169.00 | 952.70 | 785.30 |
| MIN | 114.60 | 114.60 | 0.00 | 951.70 | 783.40 | 166.60 | 951.70 | 783.50 |