Grand Coulee Dam
Monday September 15, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 40.30 | 40.30 | 0.00 | 1279.10 | 955.50 | 323.60 |
| 2 | 42.00 | 42.00 | 0.00 | 1279.10 | 955.60 | 323.50 |
| 3 | 44.80 | 44.80 | 0.00 | 1279.10 | 955.90 | 323.20 |
| 4 | 39.00 | 39.00 | 0.00 | 1279.10 | 955.60 | 323.50 |
| 5 | 38.20 | 38.20 | 0.00 | 1279.10 | 955.50 | 323.60 |
| 6 | 42.30 | 42.30 | 0.00 | 1279.10 | 956.00 | 323.10 |
| 7 | 38.20 | 38.20 | 0.00 | 1279.20 | 955.90 | 323.30 |
| 8 | 49.00 | 49.00 | 0.00 | 1279.20 | 956.40 | 322.80 |
| 9 | 51.90 | 51.90 | 0.00 | 1279.20 | 956.60 | 322.60 |
| 10 | 49.30 | 49.30 | 0.00 | 1279.30 | 956.50 | 322.80 |
| 11 | 43.80 | 43.80 | 0.00 | 1279.30 | 955.90 | 323.40 |
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| AVG | 43.53 | 43.53 | 0.00 | 1279.16 | 955.95 | 323.22 |
|
| MAX | 51.90 | 51.90 | 0.00 | 1279.30 | 956.60 | 323.60 |
| MIN | 38.20 | 38.20 | 0.00 | 1279.10 | 955.50 | 322.60 |