Grand Coulee Dam
Friday April 10, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 106.10 | 106.10 | 0.00 | 1253.70 | 961.60 | 292.10 |
| 2 | 105.70 | 105.70 | 0.00 | 1253.60 | 961.80 | 291.80 |
| 3 | 111.90 | 111.90 | 0.00 | 1253.60 | 962.20 | 291.40 |
| 4 | 113.50 | 113.50 | 0.00 | 1253.60 | 962.50 | 291.10 |
| 5 | 125.30 | 125.30 | 0.00 | 1253.70 | 963.40 | 290.30 |
| 6 | 145.90 | 145.90 | 0.00 | 1253.70 | 965.00 | 288.70 |
| 7 | 149.20 | 149.20 | 0.00 | 1253.60 | 965.70 | 287.90 |
| 8 | 144.60 | 144.60 | 0.00 | 1253.60 | 965.80 | 287.80 |
| 9 | 131.10 | 131.10 | 0.00 | 1253.50 | 964.60 | 288.90 |
| 10 | 115.10 | 115.10 | 0.00 | 1253.50 | 963.40 | 290.10 |
| 11 | 105.00 | 105.00 | 0.00 | 1253.60 | 962.50 | 291.10 |
| 12 | 95.20 | 95.20 | 0.00 | 1253.60 | 961.60 | 292.00 |
| 13 | 73.00 | 73.00 | 0.00 | 1253.60 | 959.80 | 293.80 |
| 14 | 70.20 | 70.20 | 0.00 | 1253.60 | 959.00 | 294.60 |
| 15 | 68.70 | 68.70 | 0.00 | 1253.60 | 958.60 | 295.00 |
| 16 | 70.70 | 70.70 | 0.00 | 1253.70 | 958.40 | 295.30 |
| 17 | 84.00 | 84.00 | 0.00 | 1253.60 | 958.90 | 294.70 |
| 18 | 92.00 | 92.00 | 0.00 | 1253.70 | 959.40 | 294.30 |
| 19 | 129.80 | 129.80 | 0.00 | 1253.60 | 962.10 | 291.50 |
| 20 | 135.00 | 135.00 | 0.00 | 1253.60 | 963.50 | 290.10 |
| 21 | 131.40 | 131.40 | 0.00 | 1253.70 | 963.40 | 290.30 |
| 22 | 123.30 | 123.30 | 0.00 | 1253.70 | 962.80 | 290.90 |
| 23 | 134.20 | 134.20 | 0.00 | 1253.70 | 963.40 | 290.30 |
| 24 | 130.80 | 130.80 | 0.00 | 1253.70 | 963.60 | 290.10 |
|
| AVG | 112.15 | 112.15 | 0.00 | 1253.63 | 962.21 | 291.42 |
|
| MAX | 149.20 | 149.20 | 0.00 | 1253.70 | 965.80 | 295.30 |
| MIN | 68.70 | 68.70 | 0.00 | 1253.50 | 958.40 | 287.80 |