Chief Joseph Dam
Monday December 8, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Average Forebay Elevation | Average Tailwater Elevation |
| 1 | 74.10 | 74.10 | 0.00 | 953.00 | 781.00 | 172.00 | 953.00 | 781.80 |
| 2 | 65.70 | 65.70 | 0.00 | 953.10 | 780.70 | 172.40 | 953.10 | 780.90 |
| 3 | 65.20 | 65.20 | 0.00 | 953.00 | 780.10 | 172.90 | 953.10 | 780.40 |
| 4 | 70.30 | 70.30 | 0.00 | 953.00 | 780.20 | 172.80 | 953.00 | 780.30 |
| 5 | 70.30 | 70.30 | 0.00 | 953.10 | 780.00 | 173.10 | 953.10 | 780.20 |
| 6 | 72.40 | 72.40 | 0.00 | 953.10 | 780.50 | 172.60 | 953.20 | 780.10 |
| 7 | 91.70 | 91.70 | 0.00 | 952.90 | 780.80 | 172.10 | 953.00 | 781.00 |
| 8 | 98.90 | 98.90 | 0.00 | 953.10 | 780.70 | 172.40 | 953.00 | 781.10 |
| 9 | 99.90 | 99.90 | 0.00 | 953.40 | 781.40 | 172.00 | 953.30 | 781.00 |
| 10 | 103.10 | 103.10 | 0.00 | 953.50 | 781.30 | 172.20 | 953.40 | 781.30 |
| 11 | 107.00 | 107.00 | 0.00 | 953.50 | 781.70 | 171.80 | 953.50 | 781.50 |
| 12 | 116.40 | 116.40 | 0.00 | 953.40 | 782.50 | 170.90 | 953.40 | 782.40 |
| 13 | 113.70 | 113.70 | 0.00 | 953.50 | 782.50 | 171.00 | 953.40 | 782.40 |
| 14 | 115.50 | 115.50 | 0.00 | 953.50 | 783.10 | 170.40 | 953.50 | 782.80 |
| 15 | 117.90 | 117.90 | 0.00 | 953.50 | 782.90 | 170.60 | 953.50 | 783.00 |
| 16 | 116.10 | 116.10 | 0.00 | 953.50 | 783.20 | 170.30 | 953.50 | 783.00 |
| 17 | 115.10 | 115.10 | 0.00 | 953.50 | 783.00 | 170.50 | 953.50 | 783.20 |
| 18 | 113.60 | 113.60 | 0.00 | 953.50 | 783.30 | 170.20 | 953.50 | 783.10 |
| 19 | 111.00 | 111.00 | 0.00 | 953.40 | 783.20 | 170.20 | 953.50 | 783.20 |
| 20 | 110.70 | 110.70 | 0.00 | 953.40 | 783.10 | 170.30 | 953.40 | 783.20 |
| 21 | 100.70 | 100.70 | 0.00 | 953.40 | 782.80 | 170.60 | 953.40 | 782.80 |
| 22 | 99.70 | 99.70 | 0.00 | 953.20 | 782.70 | 170.50 | 953.30 | 782.80 |
| 23 | 107.50 | 107.50 | 0.00 | 952.80 | 783.20 | 169.60 | 952.90 | 783.20 |
| 24 | 99.70 | 99.70 | 0.00 | 952.70 | 782.40 | 170.30 | 952.60 | 783.00 |
|
| AVG | 98.17 | 98.17 | 0.00 | 953.25 | 781.93 | 171.32 | 953.25 | 781.99 |
|
| MAX | 117.90 | 117.90 | 0.00 | 953.50 | 783.30 | 173.10 | 953.50 | 783.20 |
| MIN | 65.20 | 65.20 | 0.00 | 952.70 | 780.00 | 169.60 | 952.60 | 780.10 |