Chief Joseph Dam
Tuesday February 3, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Average Forebay Elevation | Average Tailwater Elevation |
|---|
| 1 | 131.40 | 131.40 | 0.00 | 952.40 | 783.40 | 169.00 | 952.50 | 783.60 |
| 2 | 130.50 | 130.50 | 0.00 | 952.40 | 783.50 | 168.90 | 952.40 | 783.60 |
| 3 | 129.70 | 129.70 | 0.00 | 952.40 | 783.50 | 168.90 | 952.40 | 783.50 |
| 4 | 130.60 | 130.60 | 0.00 | 952.40 | 783.60 | 168.80 | 952.40 | 783.60 |
| 5 | 128.80 | 128.80 | 0.00 | 952.40 | 783.50 | 168.90 | 952.40 | 783.50 |
| 6 | 128.60 | 128.60 | 0.00 | 952.70 | 783.40 | 169.30 | 952.50 | 783.50 |
| 7 | 123.90 | 123.90 | 0.00 | 953.00 | 783.20 | 169.80 | 952.90 | 783.10 |
| 8 | 129.50 | 129.50 | 0.00 | 952.90 | 783.40 | 169.50 | 952.90 | 783.40 |
| 9 | 131.40 | 131.40 | 0.00 | 952.90 | 783.40 | 169.50 | 952.90 | 783.40 |
| 10 | 130.00 | 130.00 | 0.00 | 952.80 | 783.30 | 169.50 | 952.90 | 783.30 |
| 11 | 124.40 | 124.40 | 0.00 | 952.70 | 782.80 | 169.90 | 952.70 | 783.10 |
| 12 | 116.40 | 116.40 | 0.00 | 952.50 | 782.40 | 170.10 | 952.60 | 782.50 |
| 13 | 109.80 | 109.80 | 0.00 | 952.60 | 782.20 | 170.40 | 952.60 | 782.10 |
| 14 | 106.40 | 106.40 | 0.00 | 952.60 | 781.70 | 170.90 | 952.60 | 781.80 |
| 15 | 106.90 | 106.90 | 0.00 | 952.40 | 781.60 | 170.80 | 952.50 | 781.70 |
| 16 | 109.20 | 109.20 | 0.00 | 952.20 | 781.80 | 170.40 | 952.30 | 781.70 |
| 17 | 114.50 | 114.50 | 0.00 | 951.90 | 781.80 | 170.10 | 952.10 | 781.90 |
| 18 | 114.50 | 114.50 | 0.00 | 952.00 | 785.10 | 166.90 | 952.00 | 781.60 |
| 19 | 113.20 | 113.20 | 0.00 | 952.00 | 781.30 | 170.70 | 952.10 | 781.30 |
| 20 | 122.20 | 122.20 | 0.00 | 952.10 | 781.40 | 170.70 | 952.00 | 781.60 |
| 21 | 124.80 | 124.80 | 0.00 | 952.00 | 781.50 | 170.50 | 952.10 | 781.60 |
| 22 | 129.60 | 129.60 | 0.00 | 951.80 | 782.30 | 169.50 | 952.00 | 781.70 |
| 23 | 139.00 | 139.00 | 0.00 | 951.70 | 782.20 | 169.50 | 951.80 | 782.20 |
| 24 | 138.60 | 138.60 | 0.00 | 951.80 | 781.70 | 170.10 | 951.70 | 782.10 |
|
| AVG | 123.50 | 123.50 | 0.00 | 952.36 | 782.67 | 169.69 | 952.39 | 782.56 |
|
| MAX | 139.00 | 139.00 | 0.00 | 953.00 | 785.10 | 170.90 | 952.90 | 783.60 |
| MIN | 106.40 | 106.40 | 0.00 | 951.70 | 781.30 | 166.90 | 951.70 | 781.30 |