Chief Joseph Dam
Sunday December 14, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Average Forebay Elevation | Average Tailwater Elevation |
| 1 | 61.20 | 61.20 | 0.00 | 952.70 | 780.30 | 172.40 | 952.80 | 780.60 |
| 2 | 86.80 | 86.80 | 0.00 | 953.20 | 781.90 | 171.30 | 953.20 | 782.20 |
| 3 | 52.70 | 52.70 | 0.00 | 953.20 | 779.60 | 173.60 | 953.10 | 779.60 |
| 4 | 53.10 | 53.10 | 0.00 | 953.30 | 779.30 | 174.00 | 953.20 | 779.50 |
| 5 | 48.90 | 48.90 | 0.00 | 953.50 | 779.40 | 174.10 | 953.40 | 779.30 |
| 6 | 55.80 | 55.80 | 0.00 | 953.50 | 780.10 | 173.40 | 953.50 | 779.80 |
| 7 | 65.90 | 65.90 | 0.00 | 953.60 | 780.50 | 173.10 | 953.50 | 780.10 |
| 8 | 89.90 | 89.90 | 0.00 | 953.50 | 781.40 | 172.10 | 953.50 | 781.50 |
| 9 | 95.30 | 95.30 | 0.00 | 953.70 | 781.50 | 172.20 | 953.50 | 781.70 |
| 10 | 95.10 | 95.10 | 0.00 | 953.60 | 782.10 | 171.50 | 953.70 | 781.80 |
| 11 | 104.70 | 104.70 | 0.00 | 953.40 | 782.80 | 170.60 | 953.40 | 782.80 |
| 12 | 102.70 | 102.70 | 0.00 | 953.30 | 782.70 | 170.60 | 953.30 | 782.80 |
| 13 | 98.50 | 98.50 | 0.00 | 953.30 | 783.70 | 169.60 | 953.40 | 783.20 |
| 14 | 101.10 | 101.10 | 0.00 | 953.30 | 783.30 | 170.00 | 953.30 | 783.60 |
| 15 | 88.30 | 88.30 | 0.00 | 953.30 | 782.80 | 170.50 | 953.30 | 782.60 |
| 16 | 107.70 | 107.70 | 0.00 | 952.90 | 783.80 | 169.10 | 953.10 | 783.70 |
| 17 | 113.60 | 113.60 | 0.00 | 952.70 | 784.30 | 168.40 | 952.70 | 783.80 |
| 18 | 113.00 | 113.00 | 0.00 | 953.10 | 783.40 | 169.70 | 953.00 | 783.80 |
| 19 | 112.70 | 112.70 | 0.00 | 953.20 | 783.60 | 169.60 | 953.10 | 783.50 |
| 20 | 108.40 | 108.40 | 0.00 | 953.40 | 783.40 | 170.00 | 953.30 | 783.50 |
| 21 | 110.00 | 110.00 | 0.00 | 953.30 | 783.20 | 170.10 | 953.30 | 783.30 |
| 22 | 107.10 | 107.10 | 0.00 | 953.30 | 782.80 | 170.50 | 953.30 | 783.10 |
| 23 | 98.70 | 98.70 | 0.00 | 953.20 | 783.00 | 170.20 | 953.30 | 782.90 |
| 24 | 86.80 | 86.80 | 0.00 | 953.20 | 781.90 | 171.30 | 953.20 | 782.20 |
|
| AVG | 89.92 | 89.92 | 0.00 | 953.28 | 782.12 | 171.16 | 953.27 | 782.12 |
|
| MAX | 113.60 | 113.60 | 0.00 | 953.70 | 784.30 | 174.10 | 953.70 | 783.80 |
| MIN | 48.90 | 48.90 | 0.00 | 952.70 | 779.30 | 168.40 | 952.70 | 779.30 |