Grand Coulee Dam
Saturday January 24, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 147.40 | 147.40 | 0.00 | 1280.10 | 965.10 | 315.00 |
| 2 | 148.30 | 148.30 | 0.00 | 1280.10 | 965.20 | 314.90 |
| 3 | 158.70 | 158.70 | 0.00 | 1280.00 | 965.80 | 314.20 |
| 4 | 165.20 | 165.20 | 0.00 | 1280.00 | 966.60 | 313.40 |
| 5 | 161.80 | 161.80 | 0.00 | 1280.00 | 966.60 | 313.40 |
| 6 | 155.60 | 155.60 | 0.00 | 1279.90 | 966.20 | 313.70 |
| 7 | 149.80 | 149.80 | 0.00 | 1279.90 | 965.90 | 314.00 |
| 8 | 152.90 | 152.90 | 0.00 | 1279.80 | 966.00 | 313.80 |
| 9 | 153.40 | 153.40 | 0.00 | 1279.80 | 966.30 | 313.50 |
| 10 | 150.70 | 150.70 | 0.00 | 1279.70 | 966.10 | 313.60 |
| 11 | 142.60 | 142.60 | 0.00 | 1279.80 | 965.60 | 314.20 |
| 12 | 124.30 | 124.30 | 0.00 | 1279.80 | 964.20 | 315.60 |
| 13 | 111.30 | 111.30 | 0.00 | 1279.80 | 962.80 | 317.00 |
| 14 | 97.60 | 97.60 | 0.00 | 1279.80 | 961.60 | 318.20 |
| 15 | 91.90 | 91.90 | 0.00 | 1279.80 | 960.70 | 319.10 |
| 16 | 94.20 | 94.20 | 0.00 | 1279.80 | 960.40 | 319.40 |
| 17 | 128.00 | 128.00 | 0.00 | 1279.70 | 962.80 | 316.90 |
| 18 | 158.10 | 158.10 | 0.00 | 1279.70 | 965.50 | 314.20 |
| 19 | 159.80 | 159.80 | 0.00 | 1279.70 | 966.40 | 313.30 |
| 20 | 154.00 | 154.00 | 0.00 | 1279.80 | 966.10 | 313.70 |
| 21 | 151.40 | 151.40 | 0.00 | 1279.80 | 965.90 | 313.90 |
| 22 | 154.40 | 154.40 | 0.00 | 1279.80 | 965.80 | 314.00 |
| 23 | 154.90 | 154.90 | 0.00 | 1279.70 | 966.10 | 313.60 |
| 24 | 150.10 | 150.10 | 0.00 | 1279.60 | 965.80 | 313.80 |
|
| AVG | 142.35 | 142.35 | 0.00 | 1279.83 | 964.98 | 314.85 |
|
| MAX | 165.20 | 165.20 | 0.00 | 1280.10 | 966.60 | 319.40 |
| MIN | 91.90 | 91.90 | 0.00 | 1279.60 | 960.40 | 313.30 |