Grand Coulee Dam
Thursday January 15, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 141.00 | 141.00 | 0.00 | 1283.00 | 965.10 | 317.90 |
| 2 | 129.80 | 129.80 | 0.00 | 1283.00 | 964.00 | 319.00 |
| 3 | 130.00 | 130.00 | 0.00 | 1283.00 | 963.60 | 319.40 |
| 4 | 131.70 | 131.70 | 0.00 | 1282.90 | 963.60 | 319.30 |
| 5 | 129.50 | 129.50 | 0.00 | 1282.90 | 963.50 | 319.40 |
| 6 | 143.70 | 143.70 | 0.00 | 1282.80 | 964.20 | 318.60 |
| 7 | 147.00 | 147.00 | 0.00 | 1282.70 | 964.90 | 317.80 |
| 8 | 154.30 | 154.30 | 0.00 | 1282.80 | 965.60 | 317.20 |
| 9 | 150.80 | 150.80 | 0.00 | 1282.80 | 965.50 | 317.30 |
| 10 | 136.30 | 136.30 | 0.00 | 1282.80 | 964.30 | 318.50 |
| 11 | 139.60 | 139.60 | 0.00 | 1282.80 | 964.10 | 318.70 |
| 12 | 146.10 | 146.10 | 0.00 | 1282.70 | 964.70 | 318.00 |
| 13 | | | | | | |
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| AVG | 139.98 | 139.98 | 0.00 | 1282.85 | 964.43 | 318.42 |
|
| MAX | 154.30 | 154.30 | 0.00 | 1283.00 | 965.60 | 319.40 |
| MIN | 129.50 | 129.50 | 0.00 | 1282.70 | 963.50 | 317.20 |