Chief Joseph Dam
Saturday January 24, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Average Forebay Elevation | Average Tailwater Elevation |
|---|
| 1 | 146.20 | 146.20 | 0.00 | 952.60 | 784.90 | 167.70 | 952.60 | 784.90 |
| 2 | 146.70 | 146.70 | 0.00 | 952.60 | 785.00 | 167.60 | 952.60 | 785.00 |
| 3 | 147.00 | 147.00 | 0.00 | 952.70 | 785.00 | 167.70 | 952.70 | 785.00 |
| 4 | 145.60 | 145.60 | 0.00 | 952.90 | 785.00 | 167.90 | 952.80 | 785.00 |
| 5 | 146.20 | 146.20 | 0.00 | 953.10 | 783.10 | 170.00 | 953.00 | 785.10 |
| 6 | 149.00 | 149.00 | 0.00 | 953.30 | 785.10 | 168.20 | 953.20 | 785.20 |
| 7 | 148.30 | 148.30 | 0.00 | 953.40 | 785.20 | 168.20 | 953.30 | 785.10 |
| 8 | 148.40 | 148.40 | 0.00 | 953.50 | 785.20 | 168.30 | 953.40 | 785.10 |
| 9 | 149.60 | 149.60 | 0.00 | 953.60 | 785.00 | 168.60 | 953.50 | 785.20 |
| 10 | 144.70 | 144.70 | 0.00 | 953.80 | 784.80 | 169.00 | 953.60 | 785.00 |
| 11 | 139.30 | 139.30 | 0.00 | 954.00 | 784.40 | 169.60 | 953.90 | 784.80 |
| 12 | 133.50 | 133.50 | 0.00 | 954.10 | 784.30 | 169.80 | 954.10 | 784.50 |
| 13 | 133.10 | 133.10 | 0.00 | 954.00 | 784.80 | 169.20 | 954.10 | 784.50 |
| 14 | 135.70 | 135.70 | 0.00 | 953.80 | 784.70 | 169.10 | 953.90 | 784.70 |
| 15 | 127.70 | 127.70 | 0.00 | 953.60 | 784.30 | 169.30 | 953.70 | 784.30 |
| 16 | 137.20 | 137.20 | 0.00 | 953.00 | 785.50 | 167.50 | 953.30 | 784.90 |
| 17 | 150.30 | 150.30 | 0.00 | 952.40 | 785.50 | 166.90 | 952.70 | 785.50 |
| 18 | 151.40 | 151.40 | 0.00 | 952.20 | 785.50 | 166.70 | 952.40 | 785.50 |
| 19 | 149.80 | 149.80 | 0.00 | 952.50 | 785.40 | 167.10 | 952.40 | 785.50 |
| 20 | 146.20 | 146.20 | 0.00 | 952.80 | 785.30 | 167.50 | 952.70 | 785.30 |
| 21 | 145.10 | 145.10 | 0.00 | 953.00 | 784.90 | 168.10 | 952.90 | 785.30 |
| 22 | 146.60 | 146.60 | 0.00 | 953.00 | 785.40 | 167.60 | 953.00 | 785.30 |
| 23 | 145.30 | 145.30 | 0.00 | 953.10 | 785.30 | 167.80 | 953.00 | 785.30 |
| 24 | 151.10 | 151.10 | 0.00 | 953.30 | 785.50 | 167.80 | 953.20 | 785.50 |
|
| AVG | 144.33 | 144.33 | 0.00 | 953.18 | 784.96 | 168.22 | 953.17 | 785.06 |
|
| MAX | 151.40 | 151.40 | 0.00 | 954.10 | 785.50 | 170.00 | 954.10 | 785.50 |
| MIN | 127.70 | 127.70 | 0.00 | 952.20 | 783.10 | 166.70 | 952.40 | 784.30 |