Chief Joseph Dam
Wednesday June 10, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Average Forebay Elevation | Average Tailwater Elevation |
|---|
| 1 | 98.40 | 98.40 | 0.00 | 951.90 | 780.80 | 171.10 | 951.90 | 781.00 |
| 2 | 96.30 | 96.30 | 0.00 | 951.80 | 781.10 | 170.70 | 951.80 | 781.10 |
| 3 | 90.60 | 90.60 | 0.00 | 951.80 | 780.00 | 171.80 | 951.80 | 780.10 |
| 4 | 84.80 | 84.80 | 0.00 | 951.90 | 779.70 | 172.20 | 951.90 | 779.70 |
| 5 | 87.00 | 87.00 | 0.00 | 952.00 | 779.60 | 172.40 | 951.90 | 779.70 |
| 6 | 84.90 | 84.90 | 0.00 | 952.20 | 778.70 | 173.50 | 952.00 | 779.10 |
| 7 | 81.60 | 81.60 | 0.00 | 952.60 | 778.40 | 174.20 | 952.40 | 778.60 |
| 8 | 78.30 | 78.30 | 0.00 | 953.10 | 778.00 | 175.10 | 952.90 | 778.10 |
| 9 | 83.30 | 83.30 | 0.00 | 953.40 | 779.20 | 174.20 | 953.30 | 778.70 |
| 10 | 84.00 | 84.00 | 0.00 | 953.60 | 778.80 | 174.80 | 953.60 | 778.90 |
| 11 | 83.30 | 83.30 | 0.00 | 953.70 | 779.30 | 174.40 | 953.70 | 779.00 |
| 12 | 83.30 | 83.30 | 0.00 | 953.60 | 779.30 | 174.30 | 953.60 | 779.40 |
| 13 | 87.80 | 87.80 | 0.00 | 953.40 | 780.30 | 173.10 | 953.50 | 779.80 |
| 14 | 98.60 | 98.60 | 0.00 | 953.60 | 781.00 | 172.60 | 953.40 | 780.80 |
| 15 | 102.30 | 102.30 | 0.00 | 953.70 | 781.40 | 172.30 | 953.60 | 781.20 |
| 16 | 100.50 | 100.50 | 0.00 | 953.80 | 781.90 | 171.90 | 953.70 | 781.50 |
| 17 | 113.50 | 113.50 | 0.00 | 953.50 | 783.20 | 170.30 | 953.60 | 782.50 |
| 18 | 133.50 | 133.50 | 0.00 | 953.30 | 783.60 | 169.70 | 953.30 | 783.70 |
| 19 | 134.30 | 134.30 | 0.00 | 953.30 | 784.00 | 169.30 | 953.30 | 783.80 |
| 20 | 142.20 | 142.20 | 0.00 | 953.30 | 784.40 | 168.90 | 953.30 | 784.20 |
| 21 | 145.20 | 145.20 | 0.00 | 953.40 | 784.50 | 168.90 | 953.40 | 784.30 |
| 22 | 146.00 | 146.00 | 0.00 | 953.50 | 784.50 | 169.00 | 953.50 | 784.50 |
| 23 | 145.20 | 145.20 | 0.00 | 953.60 | 784.70 | 168.90 | 953.60 | 784.50 |
| 24 | 146.60 | 146.60 | 0.00 | 953.70 | 784.30 | 169.40 | 953.60 | 784.80 |
|
| AVG | 105.48 | 105.48 | 0.00 | 953.07 | 781.28 | 171.79 | 953.02 | 781.21 |
|
| MAX | 146.60 | 146.60 | 0.00 | 953.80 | 784.70 | 175.10 | 953.70 | 784.80 |
| MIN | 78.30 | 78.30 | 0.00 | 951.80 | 778.00 | 168.90 | 951.80 | 778.10 |