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 | 80.50 | 80.50 | 0.00 | 1253.00 | 959.30 | 293.70 |
| 16 | 90.10 | 90.10 | 0.00 | 1253.00 | 959.30 | 293.70 |
| 17 | 87.50 | 87.50 | 0.00 | 1253.10 | 958.80 | 294.30 |
| 18 | 96.30 | 96.30 | 0.00 | 1253.10 | 959.10 | 294.00 |
| 19 | 122.50 | 122.50 | 0.00 | 1253.00 | 960.60 | 292.40 |
| 20 | 138.70 | 138.70 | 0.00 | 1253.00 | 962.90 | 290.10 |
| 21 | 137.30 | 137.30 | 0.00 | 1253.00 | 963.40 | 289.60 |
| 22 | 126.60 | 126.60 | 0.00 | 1253.00 | 963.10 | 289.90 |
| 23 | 111.90 | 111.90 | 0.00 | 1253.10 | 962.00 | 291.10 |
| 24 | 110.70 | 110.70 | 0.00 | 1253.10 | 961.70 | 291.40 |
|
| AVG | 106.82 | 106.82 | 0.00 | 1252.92 | 961.39 | 291.53 |
|
| MAX | 138.70 | 138.70 | 0.00 | 1253.10 | 963.80 | 294.30 |
| MIN | 79.70 | 79.70 | 0.00 | 1252.80 | 958.80 | 289.00 |