Chief Joseph Dam
Thursday June 11, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Average Forebay Elevation | Average Tailwater Elevation |
|---|
| 1 | 122.50 | 122.50 | 0.00 | 953.90 | 783.90 | 170.00 | 953.90 | 783.70 |
| 2 | 134.60 | 134.60 | 0.00 | 953.70 | 783.80 | 169.90 | 953.80 | 784.40 |
| 3 | 114.00 | 114.00 | 0.00 | 953.70 | 782.80 | 170.90 | 953.70 | 783.10 |
| 4 | 109.40 | 109.40 | 0.00 | 953.70 | 782.50 | 171.20 | 953.70 | 782.80 |
| 5 | 103.00 | 103.00 | 0.00 | 953.50 | 782.10 | 171.40 | 953.60 | 782.20 |
| 6 | 107.90 | 107.90 | 0.00 | 953.40 | 782.20 | 171.20 | 953.50 | 782.20 |
| 7 | 119.90 | 119.90 | 0.00 | 953.30 | 782.40 | 170.90 | 953.30 | 782.60 |
| 8 | 112.20 | 112.20 | 0.00 | 953.50 | 781.80 | 171.70 | 953.40 | 781.90 |
| 9 | 111.00 | 111.00 | 0.00 | 953.50 | 782.00 | 171.50 | 953.50 | 781.90 |
| 10 | 109.60 | 109.60 | 0.00 | 953.50 | 781.70 | 171.80 | 953.50 | 781.80 |
| 11 | 104.50 | 104.50 | 0.00 | 953.50 | 781.50 | 172.00 | 953.50 | 781.50 |
| 12 | 105.80 | 105.80 | 0.00 | 953.30 | 781.40 | 171.90 | 953.40 | 781.50 |
| 13 | 107.90 | 107.90 | 0.00 | 953.30 | 781.40 | 171.90 | 953.30 | 781.50 |
| 14 | 108.60 | 108.60 | 0.00 | 953.20 | 781.70 | 171.50 | 953.20 | 781.50 |
| 15 | 111.90 | 111.90 | 0.00 | 953.20 | 781.60 | 171.60 | 953.20 | 781.70 |
| 16 | 113.40 | 113.40 | 0.00 | 953.10 | 782.20 | 170.90 | 953.10 | 781.80 |
| 17 | 123.30 | 123.30 | 0.00 | 953.10 | 782.70 | 170.40 | 953.10 | 782.50 |
| 18 | 128.70 | 128.70 | 0.00 | 953.20 | 782.80 | 170.40 | 953.10 | 782.80 |
| 19 | 133.50 | 133.50 | 0.00 | 953.30 | 783.70 | 169.60 | 953.20 | 783.20 |
| 20 | 137.40 | 137.40 | 0.00 | 953.50 | 783.30 | 170.20 | 953.40 | 783.40 |
| 21 | 133.90 | 133.90 | 0.00 | 953.80 | 782.90 | 170.90 | 953.70 | 783.00 |
| 22 | 135.80 | 135.80 | 0.00 | 954.10 | 783.10 | 171.00 | 953.90 | 783.00 |
| 23 | 136.20 | 136.20 | 0.00 | 954.20 | 782.80 | 171.40 | 954.10 | 782.90 |
| 24 | 133.80 | 133.80 | 0.00 | 954.20 | 782.70 | 171.50 | 954.20 | 782.70 |
|
| AVG | 119.12 | 119.12 | 0.00 | 953.53 | 782.46 | 171.07 | 953.51 | 782.48 |
|
| MAX | 137.40 | 137.40 | 0.00 | 954.20 | 783.90 | 172.00 | 954.20 | 784.40 |
| MIN | 103.00 | 103.00 | 0.00 | 953.10 | 781.40 | 169.60 | 953.10 | 781.50 |