Grand Coulee Dam
Tuesday April 7, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 94.00 | 94.00 | 0.00 | 1252.50 | 960.90 | 291.60 |
| 2 | 94.30 | 94.30 | 0.00 | 1252.40 | 960.30 | 292.10 |
| 3 | 84.50 | 84.50 | 0.00 | 1252.50 | 959.80 | 292.70 |
| 4 | 82.70 | 82.70 | 0.00 | 1252.50 | 959.50 | 293.00 |
| 5 | 89.80 | 89.80 | 0.00 | 1252.50 | 959.70 | 292.80 |
| 6 | 120.00 | 120.00 | 0.00 | 1252.40 | 962.00 | 290.40 |
| 7 | 99.10 | 99.10 | 0.00 | 1252.50 | 961.30 | 291.20 |
| 8 | 104.60 | 104.60 | 0.00 | 1252.50 | 961.20 | 291.30 |
| 9 | 84.70 | 84.70 | 0.00 | 1252.50 | 959.70 | 292.80 |
| 10 | 76.70 | 76.70 | 0.00 | 1252.70 | 958.70 | 294.00 |
| 11 | 61.40 | 61.40 | 0.00 | 1252.80 | 957.40 | 295.40 |
| 12 | 58.10 | 58.10 | 0.00 | 1252.80 | 956.90 | 295.90 |
| 13 | 50.50 | 50.50 | 0.00 | 1252.80 | 956.30 | 296.50 |
| 14 | 45.40 | 45.40 | 0.00 | 1252.90 | 956.00 | 296.90 |
| 15 | 35.10 | 35.10 | 0.00 | 1252.90 | 955.50 | 297.40 |
| 16 | 38.70 | 38.70 | 0.00 | 1253.00 | 955.70 | 297.30 |
| 17 | 41.10 | 41.10 | 0.00 | 1253.10 | 955.80 | 297.30 |
| 18 | 52.00 | 52.00 | 0.00 | 1253.20 | 956.10 | 297.10 |
| 19 | 102.00 | 102.00 | 0.00 | 1253.10 | 959.50 | 293.60 |
| 20 | 126.00 | 126.00 | 0.00 | 1253.10 | 962.10 | 291.00 |
| 21 | 132.70 | 132.70 | 0.00 | 1253.10 | 963.10 | 290.00 |
| 22 | 129.00 | 129.00 | 0.00 | 1253.10 | 963.10 | 290.00 |
| 23 | 128.10 | 128.10 | 0.00 | 1253.20 | 963.10 | 290.10 |
| 24 | 123.70 | 123.70 | 0.00 | 1253.30 | 962.90 | 290.40 |
|
| AVG | 85.59 | 85.59 | 0.00 | 1252.81 | 959.44 | 293.37 |
|
| MAX | 132.70 | 132.70 | 0.00 | 1253.30 | 963.10 | 297.40 |
| MIN | 35.10 | 35.10 | 0.00 | 1252.40 | 955.50 | 290.00 |