Grand Coulee Dam
Wednesday December 3, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 60.60 | 60.60 | 0.00 | 1284.80 | 956.90 | 327.90 |
| 2 | 55.30 | 55.30 | 0.00 | 1284.80 | 956.50 | 328.30 |
| 3 | 50.90 | 50.90 | 0.00 | 1284.90 | 956.40 | 328.50 |
| 4 | 56.20 | 56.20 | 0.00 | 1284.90 | 956.60 | 328.30 |
| 5 | 69.40 | 69.40 | 0.00 | 1284.80 | 957.70 | 327.10 |
| 6 | 90.80 | 90.80 | 0.00 | 1284.80 | 959.20 | 325.60 |
| 7 | 106.60 | 106.60 | 0.00 | 1284.70 | 960.80 | 323.90 |
| 8 | 122.90 | 122.90 | 0.00 | 1284.70 | 962.30 | 322.40 |
| 9 | 119.40 | 119.40 | 0.00 | 1284.80 | 962.40 | 322.40 |
| 10 | 117.30 | 117.30 | 0.00 | 1284.80 | 962.30 | 322.50 |
| 11 | 116.90 | 116.90 | 0.00 | 1284.80 | 962.40 | 322.40 |
| 12 | 104.00 | 104.00 | 0.00 | 1284.80 | 961.50 | 323.30 |
| 13 | 94.00 | 94.00 | 0.00 | 1284.80 | 960.80 | 324.00 |
| 14 | 94.70 | 94.70 | 0.00 | 1284.70 | 960.60 | 324.10 |
| 15 | 99.60 | 99.60 | 0.00 | 1284.70 | 960.80 | 323.90 |
| 16 | 122.90 | 122.90 | 0.00 | 1284.70 | 962.50 | 322.20 |
| 17 | 117.00 | 117.00 | 0.00 | 1284.60 | 962.80 | 321.80 |
| 18 | 124.80 | 124.80 | 0.00 | 1284.60 | 963.30 | 321.30 |
| 19 | 110.10 | 110.10 | 0.00 | 1284.60 | 962.40 | 322.20 |
| 20 | 103.70 | 103.70 | 0.00 | 1284.60 | 961.70 | 322.90 |
| 21 | 92.00 | 92.00 | 0.00 | 1284.60 | 960.60 | 324.00 |
| 22 | 85.10 | 85.10 | 0.00 | 1284.70 | 959.90 | 324.80 |
| 23 | 86.10 | 86.10 | 0.00 | 1284.60 | 959.70 | 324.90 |
| 24 | 81.10 | 81.10 | 0.00 | 1284.70 | 959.30 | 325.40 |
|
| AVG | 95.06 | 95.06 | 0.00 | 1284.73 | 960.39 | 324.34 |
|
| MAX | 124.80 | 124.80 | 0.00 | 1284.90 | 963.30 | 328.50 |
| MIN | 50.90 | 50.90 | 0.00 | 1284.60 | 956.40 | 321.30 |