Grand Coulee Dam
Friday July 4, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 80.30 | 80.30 | 0.00 | 1286.00 | 958.70 | 327.30 |
| 2 | 71.40 | 71.40 | 0.00 | 1286.00 | 957.90 | 328.10 |
| 3 | 65.60 | 65.60 | 0.00 | 1286.00 | 957.70 | 328.30 |
| 4 | 41.50 | 41.50 | 0.00 | 1286.10 | 956.10 | 330.00 |
| 5 | 36.10 | 36.10 | 0.00 | 1286.10 | 955.80 | 330.30 |
| 6 | 34.40 | 34.40 | 0.00 | 1286.10 | 956.00 | 330.10 |
| 7 | 41.60 | 41.60 | 0.00 | 1286.10 | 956.50 | 329.60 |
| 8 | 46.20 | 46.20 | 0.00 | 1286.10 | 956.30 | 329.80 |
| 9 | 40.50 | 40.50 | 0.00 | 1286.20 | 955.90 | 330.30 |
| 10 | 40.10 | 40.10 | 0.00 | 1286.30 | 955.50 | 330.80 |
| 11 | 51.90 | 51.90 | 0.00 | 1286.30 | 956.30 | 330.00 |
| 12 | 60.50 | 60.50 | 0.00 | 1286.30 | 957.30 | 329.00 |
| 13 | 76.90 | 76.90 | 0.00 | 1286.30 | 958.70 | 327.60 |
| 14 | 74.50 | 74.50 | 0.00 | 1286.30 | 958.90 | 327.40 |
| 15 | 80.50 | 80.50 | 0.00 | 1286.30 | 959.20 | 327.10 |
| 16 | 73.80 | 73.80 | 0.00 | 1286.40 | 959.00 | 327.40 |
| 17 | 84.10 | 84.10 | 0.00 | 1286.40 | 959.70 | 326.70 |
| 18 | 85.50 | 85.50 | 0.00 | 1286.40 | 960.00 | 326.40 |
| 19 | 90.60 | 90.60 | 0.00 | 1286.40 | 960.50 | 325.90 |
| 20 | 93.60 | 93.60 | 0.00 | 1286.30 | 960.90 | 325.40 |
| 21 | 95.10 | 95.10 | 0.00 | 1286.30 | 961.20 | 325.10 |
| 22 | 97.80 | 96.30 | 1.50 | 1286.40 | 961.20 | 325.20 |
| 23 | 95.80 | 93.20 | 2.60 | 1286.40 | 961.20 | 325.20 |
| 24 | 94.30 | 93.20 | 1.10 | 1286.50 | 961.20 | 325.30 |
|
| AVG | 68.86 | 68.64 | 0.22 | 1286.25 | 958.40 | 327.85 |
|
| MAX | 97.80 | 96.30 | 2.60 | 1286.50 | 961.20 | 330.80 |
| MIN | 34.40 | 34.40 | 0.00 | 1286.00 | 955.50 | 325.10 |