Chief Joseph Dam
Saturday December 13, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Average Forebay Elevation | Average Tailwater Elevation |
|---|
| 1 | 52.00 | 52.00 | 0.00 | 952.70 | 781.10 | 171.60 | 952.80 | 781.20 |
| 2 | 52.90 | 52.90 | 0.00 | 952.60 | 780.70 | 171.90 | 952.60 | 780.90 |
| 3 | 46.30 | 46.30 | 0.00 | 952.80 | 780.30 | 172.50 | 952.70 | 780.50 |
| 4 | 43.80 | 43.80 | 0.00 | 952.80 | 779.90 | 172.90 | 952.80 | 780.10 |
| 5 | 43.10 | 43.10 | 0.00 | 952.70 | 779.80 | 172.90 | 952.80 | 779.90 |
| 6 | 41.60 | 41.60 | 0.00 | 952.80 | 779.70 | 173.10 | 952.70 | 779.70 |
| 7 | 52.00 | 52.00 | 0.00 | 952.80 | 780.30 | 172.50 | 952.90 | 779.70 |
| 8 | 87.60 | 87.60 | 0.00 | 952.60 | 780.70 | 171.90 | 952.50 | 781.30 |
| 9 | 71.60 | 71.60 | 0.00 | 952.80 | 780.60 | 172.20 | 952.80 | 780.10 |
| 10 | 75.20 | 75.20 | 0.00 | 952.70 | 780.60 | 172.10 | 952.80 | 780.70 |
| 11 | 73.80 | 73.80 | 0.00 | 952.80 | 780.90 | 171.90 | 952.70 | 780.90 |
| 12 | 66.30 | 66.30 | 0.00 | 952.90 | 780.80 | 172.10 | 952.90 | 780.60 |
| 13 | 57.40 | 57.40 | 0.00 | 953.10 | 780.50 | 172.60 | 953.00 | 780.50 |
| 14 | 50.40 | 50.40 | 0.00 | 953.10 | 780.30 | 172.80 | 953.10 | 780.40 |
| 15 | 48.00 | 48.00 | 0.00 | 952.90 | 781.50 | 171.40 | 953.10 | 780.90 |
| 16 | 94.60 | 94.60 | 0.00 | 952.20 | 783.20 | 169.00 | 952.50 | 783.00 |
| 17 | 106.00 | 106.00 | 0.00 | 952.40 | 783.20 | 169.20 | 952.20 | 783.00 |
| 18 | 117.20 | 117.20 | 0.00 | 952.50 | 783.80 | 168.70 | 952.40 | 783.50 |
| 19 | 103.10 | 103.10 | 0.00 | 952.60 | 783.20 | 169.40 | 952.50 | 783.40 |
| 20 | 97.70 | 97.70 | 0.00 | 952.90 | 782.90 | 170.00 | 952.80 | 782.90 |
| 21 | 93.20 | 93.20 | 0.00 | 952.90 | 782.70 | 170.20 | 952.90 | 782.80 |
| 22 | 81.40 | 81.40 | 0.00 | 952.90 | 781.80 | 171.10 | 952.90 | 782.10 |
| 23 | 73.40 | 73.40 | 0.00 | 952.90 | 781.20 | 171.70 | 952.90 | 781.50 |
| 24 | 61.80 | 61.80 | 0.00 | 952.80 | 780.60 | 172.20 | 952.80 | 780.90 |
|
| AVG | 70.43 | 70.43 | 0.00 | 952.76 | 781.26 | 171.50 | 952.75 | 781.27 |
|
| MAX | 117.20 | 117.20 | 0.00 | 953.10 | 783.80 | 173.10 | 953.10 | 783.50 |
| MIN | 41.60 | 41.60 | 0.00 | 952.20 | 779.70 | 168.70 | 952.20 | 779.70 |