Grand Coulee Dam
Friday January 23, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 111.70 | 111.70 | 0.00 | 1280.30 | 961.40 | 318.90 |
| 2 | 114.30 | 114.30 | 0.00 | 1280.30 | 961.80 | 318.50 |
| 3 | 111.40 | 111.40 | 0.00 | 1280.40 | 961.60 | 318.80 |
| 4 | 113.20 | 113.20 | 0.00 | 1280.40 | 961.60 | 318.80 |
| 5 | 123.70 | 123.70 | 0.00 | 1280.40 | 962.30 | 318.10 |
| 6 | 135.60 | 135.60 | 0.00 | 1280.40 | 963.40 | 317.00 |
| 7 | 149.30 | 149.30 | 0.00 | 1280.30 | 964.60 | 315.70 |
| 8 | 150.20 | 150.20 | 0.00 | 1280.20 | 965.10 | 315.10 |
| 9 | 149.40 | 149.40 | 0.00 | 1280.20 | 965.10 | 315.10 |
| 10 | 148.10 | 148.10 | 0.00 | 1280.20 | 964.90 | 315.30 |
| 11 | 137.40 | 137.40 | 0.00 | 1280.30 | 964.30 | 316.00 |
| 12 | 129.60 | 129.60 | 0.00 | 1280.30 | 963.50 | 316.80 |
| 13 | 119.30 | 119.30 | 0.00 | 1280.40 | 962.70 | 317.70 |
| 14 | 107.60 | 107.60 | 0.00 | 1280.40 | 961.50 | 318.90 |
| 15 | 106.60 | 106.60 | 0.00 | 1280.30 | 961.00 | 319.30 |
| 16 | 119.10 | 119.10 | 0.00 | 1280.30 | 961.60 | 318.70 |
| 17 | 146.10 | 146.10 | 0.00 | 1280.20 | 963.80 | 316.40 |
| 18 | 148.00 | 148.00 | 0.00 | 1280.30 | 964.80 | 315.50 |
| 19 | 161.70 | 161.70 | 0.00 | 1280.20 | 965.90 | 314.30 |
| 20 | 154.10 | 154.10 | 0.00 | 1280.20 | 965.80 | 314.40 |
| 21 | 154.60 | 154.60 | 0.00 | 1280.30 | 965.50 | 314.80 |
| 22 | 154.20 | 154.20 | 0.00 | 1280.20 | 965.50 | 314.70 |
| 23 | 153.00 | 153.00 | 0.00 | 1280.10 | 965.50 | 314.60 |
| 24 | 148.90 | 148.90 | 0.00 | 1280.10 | 965.20 | 314.90 |
|
| AVG | 135.30 | 135.30 | 0.00 | 1280.28 | 963.68 | 316.60 |
|
| MAX | 161.70 | 161.70 | 0.00 | 1280.40 | 965.90 | 319.30 |
| MIN | 106.60 | 106.60 | 0.00 | 1280.10 | 961.00 | 314.30 |