Grand Coulee Dam
Wednesday April 8, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 105.50 | 105.50 | 0.00 | 1253.30 | 961.80 | 291.50 |
| 2 | 97.40 | 97.40 | 0.00 | 1253.20 | 960.70 | 292.50 |
| 3 | 87.00 | 87.00 | 0.00 | 1253.20 | 960.00 | 293.20 |
| 4 | 90.80 | 90.80 | 0.00 | 1253.20 | 960.00 | 293.20 |
| 5 | 100.10 | 100.10 | 0.00 | 1253.10 | 960.60 | 292.50 |
| 6 | 111.70 | 111.70 | 0.00 | 1253.20 | 961.60 | 291.60 |
| 7 | 135.60 | 135.60 | 0.00 | 1253.20 | 963.60 | 289.60 |
| 8 | 137.50 | 137.50 | 0.00 | 1253.20 | 963.50 | 289.70 |
| 9 | 127.20 | 127.20 | 0.00 | 1253.20 | 963.90 | 289.30 |
| 10 | 109.10 | 109.10 | 0.00 | 1253.20 | 962.50 | 290.70 |
| 11 | 95.40 | 95.40 | 0.00 | 1253.20 | 961.40 | 291.80 |
| 12 | 84.50 | 84.50 | 0.00 | 1253.20 | 960.50 | 292.70 |
| 13 | 76.20 | 76.20 | 0.00 | 1253.20 | 959.80 | 293.40 |
| 14 | 65.00 | 65.00 | 0.00 | 1253.20 | 958.80 | 294.40 |
| 15 | 56.60 | 56.60 | 0.00 | 1253.30 | 957.80 | 295.50 |
| 16 | 45.20 | 45.20 | 0.00 | 1253.40 | 956.40 | 297.00 |
| 17 | 47.10 | 47.10 | 0.00 | 1253.40 | 956.60 | 296.80 |
| 18 | 79.00 | 79.00 | 0.00 | 1253.40 | 958.60 | 294.80 |
| 19 | 122.90 | 122.90 | 0.00 | 1253.30 | 962.00 | 291.30 |
| 20 | 134.30 | 134.30 | 0.00 | 1253.30 | 963.60 | 289.70 |
| 21 | 133.90 | 133.90 | 0.00 | 1253.40 | 963.90 | 289.50 |
| 22 | 126.70 | 126.70 | 0.00 | 1253.40 | 963.60 | 289.80 |
| 23 | 117.60 | 117.60 | 0.00 | 1253.50 | 962.90 | 290.60 |
| 24 | 106.80 | 106.80 | 0.00 | 1253.60 | 962.20 | 291.40 |
|
| AVG | 99.71 | 99.71 | 0.00 | 1253.28 | 961.10 | 292.19 |
|
| MAX | 137.50 | 137.50 | 0.00 | 1253.60 | 963.90 | 297.00 |
| MIN | 45.20 | 45.20 | 0.00 | 1253.10 | 956.40 | 289.30 |