Grand Coulee Dam
Monday April 13, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 111.10 | 111.10 | 0.00 | 1252.90 | 962.10 | 290.80 |
| 2 | 108.60 | 108.60 | 0.00 | 1252.90 | 962.10 | 290.80 |
| 3 | 104.10 | 104.10 | 0.00 | 1252.90 | 961.70 | 291.20 |
| 4 | 107.50 | 107.50 | 0.00 | 1252.80 | 961.60 | 291.20 |
| 5 | 110.40 | 110.40 | 0.00 | 1252.80 | 961.90 | 290.90 |
| 6 | 131.40 | 131.40 | 0.00 | 1252.80 | 963.50 | 289.30 |
| 7 | 127.80 | 127.80 | 0.00 | 1252.80 | 963.80 | 289.00 |
| 8 | 119.30 | 119.30 | 0.00 | 1252.80 | 963.20 | 289.60 |
| 9 | 98.00 | 98.00 | 0.00 | 1252.80 | 961.60 | 291.20 |
| 10 | 96.90 | 96.90 | 0.00 | 1252.80 | 961.10 | 291.70 |
| 11 | 92.10 | 92.10 | 0.00 | 1252.80 | 960.70 | 292.10 |
| 12 | 89.20 | 89.20 | 0.00 | 1252.90 | 960.40 | 292.50 |
| 13 | 85.60 | 85.60 | 0.00 | 1252.90 | 960.00 | 292.90 |
| 14 | 79.70 | 79.70 | 0.00 | 1252.90 | 959.50 | 293.40 |
| 15 | | | | | | |
| 16 | | | | | | |
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| AVG | 104.41 | 104.41 | 0.00 | 1252.84 | 961.66 | 291.19 |
|
| MAX | 131.40 | 131.40 | 0.00 | 1252.90 | 963.80 | 293.40 |
| MIN | 79.70 | 79.70 | 0.00 | 1252.80 | 959.50 | 289.00 |