Chief Joseph Dam
Tuesday June 16, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Average Forebay Elevation | Average Tailwater Elevation |
|---|
| 1 | 145.50 | 145.50 | 0.00 | 953.50 | 784.80 | 168.70 | 953.40 | 784.70 |
| 2 | 145.10 | 145.10 | 0.00 | 953.80 | 784.40 | 169.40 | 953.60 | 784.70 |
| 3 | 137.60 | 137.60 | 0.00 | 953.90 | 784.30 | 169.60 | 953.80 | 784.40 |
| 4 | 137.30 | 137.30 | 0.00 | 953.90 | 784.80 | 169.10 | 953.80 | 784.50 |
| 5 | 130.20 | 130.20 | 0.00 | 953.60 | 784.50 | 169.10 | 953.80 | 784.30 |
| 6 | 131.90 | 131.90 | 0.00 | 953.40 | 784.10 | 169.30 | 953.50 | 784.30 |
| 7 | 118.80 | 118.80 | 0.00 | 953.50 | 783.10 | 170.40 | 953.50 | 783.60 |
| 8 | 115.30 | 115.30 | 0.00 | 953.50 | 782.70 | 170.80 | 953.50 | 783.20 |
| 9 | 111.20 | 111.20 | 0.00 | 953.20 | 782.30 | 170.90 | 953.30 | 782.80 |
| 10 | 99.50 | 99.50 | 0.00 | 953.10 | 781.90 | 171.20 | 953.20 | 781.90 |
| 11 | 105.30 | 105.30 | 0.00 | 952.90 | 781.90 | 171.00 | 953.00 | 782.00 |
| 12 | 105.20 | 105.20 | 0.00 | 952.90 | 781.70 | 171.20 | 952.90 | 781.70 |
| 13 | 110.30 | 110.30 | 0.00 | 952.80 | 781.60 | 171.20 | 952.80 | 781.70 |
| 14 | 112.70 | 112.70 | 0.00 | 952.70 | 781.80 | 170.90 | 952.80 | 781.80 |
| 15 | 114.60 | 114.60 | 0.00 | 952.60 | 782.40 | 170.20 | 952.70 | 781.80 |
| 16 | 131.90 | 131.90 | 0.00 | 952.40 | 782.70 | 169.70 | 952.50 | 782.70 |
| 17 | 140.20 | 140.20 | 0.00 | 952.30 | 782.90 | 169.40 | 952.30 | 783.00 |
| 18 | 131.60 | 131.60 | 0.00 | 952.60 | 782.80 | 169.80 | 952.50 | 782.40 |
| 19 | 130.80 | 130.80 | 0.00 | 952.80 | 782.50 | 170.30 | 952.70 | 782.40 |
| 20 | 138.90 | 138.90 | 0.00 | 953.10 | 782.60 | 170.50 | 953.00 | 782.70 |
| 21 | 136.90 | 136.90 | 0.00 | 953.40 | 782.50 | 170.90 | 953.30 | 782.60 |
| 22 | 127.90 | 127.90 | 0.00 | 953.80 | 782.30 | 171.50 | 953.70 | 782.20 |
| 23 | 131.10 | 131.10 | 0.00 | 953.80 | 782.70 | 171.10 | 953.90 | 782.50 |
| 24 | 136.40 | 136.40 | 0.00 | 953.80 | 782.60 | 171.20 | 953.80 | 782.90 |
|
| AVG | 126.09 | 126.09 | 0.00 | 953.22 | 782.91 | 170.31 | 953.22 | 782.95 |
|
| MAX | 145.50 | 145.50 | 0.00 | 953.90 | 784.80 | 171.50 | 953.90 | 784.70 |
| MIN | 99.50 | 99.50 | 0.00 | 952.30 | 781.60 | 168.70 | 952.30 | 781.70 |