Chief Joseph Dam
Thursday April 9, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Average Forebay Elevation | Average Tailwater Elevation |
|---|
| 1 | 100.60 | 100.60 | 0.00 | 954.10 | 780.90 | 173.20 | 954.10 | 780.90 |
| 2 | 101.10 | 101.10 | 0.00 | 954.10 | 780.90 | 173.20 | 954.10 | 780.90 |
| 3 | 100.90 | 100.90 | 0.00 | 953.90 | 780.90 | 173.00 | 953.90 | 780.90 |
| 4 | 101.30 | 101.30 | 0.00 | 953.90 | 781.00 | 172.90 | 953.90 | 781.00 |
| 5 | 101.40 | 101.40 | 0.00 | 953.80 | 781.10 | 172.70 | 953.80 | 781.10 |
| 6 | 101.30 | 101.30 | 0.00 | 953.90 | 781.20 | 172.70 | 953.80 | 781.10 |
| 7 | 101.20 | 101.20 | 0.00 | 954.20 | 781.10 | 173.10 | 954.00 | 781.10 |
| 8 | 100.90 | 100.90 | 0.00 | 954.40 | 781.00 | 173.40 | 954.30 | 781.00 |
| 9 | 100.40 | 100.40 | 0.00 | 954.80 | 781.00 | 173.80 | 954.60 | 780.90 |
| 10 | 100.20 | 100.20 | 0.00 | 954.60 | 780.80 | 173.80 | 954.80 | 780.80 |
| 11 | 94.00 | 94.00 | 0.00 | 954.80 | 780.10 | 174.70 | 954.70 | 780.50 |
| 12 | 84.80 | 84.80 | 0.00 | 954.70 | 779.70 | 175.00 | 954.80 | 780.10 |
| 13 | 90.80 | 90.80 | 0.00 | 954.20 | 780.60 | 173.60 | 954.50 | 780.50 |
| 14 | 91.10 | 91.10 | 0.00 | 953.90 | 780.80 | 173.10 | 954.10 | 780.70 |
| 15 | 92.60 | 92.60 | 0.00 | 953.60 | 781.30 | 172.30 | 953.70 | 781.00 |
| 16 | 92.50 | 92.50 | 0.00 | 953.20 | 781.50 | 171.70 | 953.40 | 781.30 |
| 17 | 93.80 | 93.80 | 0.00 | 952.80 | 781.70 | 171.10 | 953.00 | 781.60 |
| 18 | 98.00 | 98.00 | 0.00 | 952.40 | 781.90 | 170.50 | 952.50 | 781.80 |
| 19 | 103.00 | 103.00 | 0.00 | 952.20 | 781.90 | 170.30 | 952.30 | 781.90 |
| 20 | 103.30 | 103.30 | 0.00 | 952.70 | 781.60 | 171.10 | 952.40 | 781.80 |
| 21 | 102.70 | 102.70 | 0.00 | 953.30 | 781.70 | 171.60 | 952.90 | 781.70 |
| 22 | 102.10 | 102.10 | 0.00 | 953.60 | 781.40 | 172.20 | 953.40 | 781.40 |
| 23 | 101.60 | 101.60 | 0.00 | 953.80 | 781.10 | 172.70 | 953.70 | 781.20 |
| 24 | 99.40 | 99.40 | 0.00 | 953.90 | 780.80 | 173.10 | 953.90 | 780.90 |
|
| AVG | 98.29 | 98.29 | 0.00 | 953.78 | 781.08 | 172.70 | 953.78 | 781.09 |
|
| MAX | 103.30 | 103.30 | 0.00 | 954.80 | 781.90 | 175.00 | 954.80 | 781.90 |
| MIN | 84.80 | 84.80 | 0.00 | 952.20 | 779.70 | 170.30 | 952.30 | 780.10 |