Grand Coulee Dam
Tuesday July 14, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 61.30 | 61.30 | 0.00 | 1288.50 | 957.90 | 330.60 |
| 2 | 55.60 | 55.60 | 0.00 | 1288.50 | 957.10 | 331.40 |
| 3 | 53.10 | 53.10 | 0.00 | 1288.50 | 956.70 | 331.80 |
| 4 | 49.90 | 49.90 | 0.00 | 1288.60 | 956.30 | 332.30 |
| 5 | 51.90 | 51.90 | 0.00 | 1288.60 | 956.30 | 332.30 |
| 6 | 58.30 | 58.30 | 0.00 | 1288.60 | 956.70 | 331.90 |
| 7 | 70.10 | 70.10 | 0.00 | 1288.60 | 957.70 | 330.90 |
| 8 | 74.30 | 74.30 | 0.00 | 1288.60 | 958.20 | 330.40 |
| 9 | 89.30 | 89.30 | 0.00 | 1288.60 | 959.20 | 329.40 |
| 10 | 89.30 | 89.30 | 0.00 | 1288.60 | 959.60 | 329.00 |
| 11 | 95.60 | 95.60 | 0.00 | 1288.60 | 960.00 | 328.60 |
| 12 | 102.20 | 102.20 | 0.00 | 1288.70 | 960.60 | 328.10 |
| 13 | 110.80 | 110.80 | 0.00 | 1288.70 | 961.30 | 327.40 |
| 14 | 121.60 | 121.60 | 0.00 | 1288.60 | 962.30 | 326.30 |
| 15 | | | | | | |
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| AVG | 77.38 | 77.38 | 0.00 | 1288.59 | 958.56 | 330.03 |
|
| MAX | 121.60 | 121.60 | 0.00 | 1288.70 | 962.30 | 332.30 |
| MIN | 49.90 | 49.90 | 0.00 | 1288.50 | 956.30 | 326.30 |