Chief Joseph Dam
Wednesday January 28, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Average Forebay Elevation | Average Tailwater Elevation |
|---|
| 1 | 137.70 | 137.70 | 0.00 | 953.70 | 782.40 | 171.30 | 953.80 | 782.50 |
| 2 | 140.00 | 140.00 | 0.00 | 953.50 | 782.70 | 170.80 | 953.50 | 782.70 |
| 3 | 141.20 | 141.20 | 0.00 | 953.30 | 782.60 | 170.70 | 953.30 | 782.80 |
| 4 | 137.80 | 137.80 | 0.00 | 953.00 | 782.90 | 170.10 | 953.20 | 782.60 |
| 5 | 140.80 | 140.80 | 0.00 | 952.70 | 782.90 | 169.80 | 952.90 | 782.90 |
| 6 | 142.80 | 142.80 | 0.00 | 952.40 | 783.10 | 169.30 | 952.60 | 783.00 |
| 7 | 144.20 | 144.20 | 0.00 | 952.40 | 783.10 | 169.30 | 952.40 | 783.10 |
| 8 | 141.60 | 141.60 | 0.00 | 952.50 | 782.90 | 169.60 | 952.50 | 783.00 |
| 9 | 133.60 | 133.60 | 0.00 | 952.80 | 782.10 | 170.70 | 952.60 | 782.60 |
| 10 | 117.90 | 117.90 | 0.00 | 953.00 | 781.70 | 171.30 | 953.00 | 781.90 |
| 11 | 119.90 | 119.90 | 0.00 | 952.70 | 782.10 | 170.60 | 952.90 | 782.20 |
| 12 | 128.20 | 128.20 | 0.00 | 952.50 | 782.70 | 169.80 | 952.60 | 782.60 |
| 13 | 122.50 | 122.50 | 0.00 | 952.30 | 782.90 | 169.40 | 952.40 | 782.80 |
| 14 | 122.20 | 122.20 | 0.00 | 952.20 | 783.10 | 169.10 | 952.30 | 783.00 |
| 15 | 124.40 | 124.40 | 0.00 | 951.90 | 783.70 | 168.20 | 952.10 | 783.30 |
| 16 | 128.80 | 128.80 | 0.00 | 951.50 | 784.40 | 167.10 | 951.80 | 783.70 |
| 17 | 148.90 | 148.90 | 0.00 | 951.00 | 785.10 | 165.90 | 951.20 | 784.90 |
| 18 | 149.10 | 149.10 | 0.00 | 951.10 | 784.90 | 166.20 | 951.00 | 785.00 |
| 19 | 141.00 | 141.00 | 0.00 | 951.50 | 784.60 | 166.90 | 951.30 | 784.70 |
| 20 | | | | | | | | |
| 21 | | | | | | | | |
| 22 | | | | | | | | |
| 23 | | | | | | | | |
| 24 | | | | | | | | |
|
| AVG | 134.87 | 134.87 | 0.00 | 952.42 | 783.15 | 169.27 | 952.49 | 783.12 |
|
| MAX | 149.10 | 149.10 | 0.00 | 953.70 | 785.10 | 171.30 | 953.80 | 785.00 |
| MIN | 117.90 | 117.90 | 0.00 | 951.00 | 781.70 | 165.90 | 951.00 | 781.90 |