Chief Joseph Dam
Monday November 2, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Average Forebay Elevation | Average Tailwater Elevation |
| 1 | 48.10 | 48.10 | 0.00 | 953.30 | 778.90 | 174.40 | 953.40 | 779.10 |
| 2 | 44.40 | 44.40 | 0.00 | 953.20 | 778.60 | 174.60 | 953.20 | 778.90 |
| 3 | 43.70 | 43.70 | 0.00 | 953.10 | 778.60 | 174.50 | 953.10 | 778.50 |
| 4 | 44.50 | 44.50 | 0.00 | 953.00 | 778.90 | 174.10 | 953.00 | 778.80 |
| 5 | 49.90 | 49.90 | 0.00 | 952.80 | 779.70 | 173.10 | 952.80 | 779.10 |
| 6 | 64.70 | 64.70 | 0.00 | 952.70 | 779.40 | 173.30 | 952.70 | 779.40 |
| 7 | 92.50 | 92.50 | 0.00 | 952.30 | 780.20 | 172.10 | 952.40 | 780.20 |
| 8 | 96.80 | 96.80 | 0.00 | 952.40 | 779.70 | 172.70 | 952.30 | 780.00 |
| 9 | 89.50 | 89.50 | 0.00 | 952.50 | 779.50 | 173.00 | 952.30 | 779.60 |
| 10 | 84.90 | 84.90 | 0.00 | 952.60 | 779.20 | 173.40 | 952.50 | 779.40 |
| 11 | 82.30 | 82.30 | 0.00 | 952.60 | 779.60 | 173.00 | 952.60 | 779.40 |
| 12 | 60.70 | 60.70 | 0.00 | 952.80 | 778.00 | 174.80 | 952.70 | 778.80 |
| 13 | 57.50 | 57.50 | 0.00 | 952.70 | 777.90 | 174.80 | 952.80 | 777.90 |
| 14 | 44.40 | 44.40 | 0.00 | 952.80 | 776.80 | 176.00 | 952.90 | 777.10 |
| 15 | 51.00 | 51.00 | 0.00 | 952.90 | 776.80 | 176.10 | 952.90 | 776.80 |
| 16 | 39.30 | 39.30 | 0.00 | 953.00 | 776.80 | 176.20 | 953.00 | 776.80 |
| 17 | 59.40 | 59.40 | 0.00 | 952.90 | 777.20 | 175.70 | 952.80 | 777.30 |
| 18 | 57.40 | 57.40 | 0.00 | 953.30 | 776.50 | 176.80 | 953.10 | 776.70 |
| 19 | 58.20 | 58.20 | 0.00 | 953.50 | 777.20 | 176.30 | 953.40 | 776.70 |
| 20 | 66.00 | 66.00 | 0.00 | 953.40 | 777.10 | 176.30 | 953.40 | 777.20 |
| 21 | 72.50 | 72.50 | 0.00 | 953.30 | 777.50 | 175.80 | 953.40 | 777.40 |
| 22 | 68.20 | 68.20 | 0.00 | 953.20 | 777.50 | 175.70 | 953.30 | 777.50 |
| 23 | 55.00 | 55.00 | 0.00 | 953.30 | 776.80 | 176.50 | 953.30 | 777.00 |
| 24 | 45.90 | 45.90 | 0.00 | 952.90 | 777.10 | 175.80 | 953.20 | 777.00 |
|
| AVG | 61.53 | 61.53 | 0.00 | 952.94 | 778.15 | 174.79 | 952.94 | 778.19 |
|
| MAX | 96.80 | 96.80 | 0.00 | 953.50 | 780.20 | 176.80 | 953.40 | 780.20 |
| MIN | 39.30 | 39.30 | 0.00 | 952.30 | 776.50 | 172.10 | 952.30 | 776.70 |