Grand Coulee Dam
Thursday August 28, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 56.20 | 56.20 | 0.00 | 1278.60 | 956.40 | 322.20 |
| 2 | 52.80 | 52.80 | 0.00 | 1278.60 | 956.60 | 322.00 |
| 3 | 50.40 | 50.40 | 0.00 | 1278.60 | 956.10 | 322.50 |
| 4 | 48.80 | 48.80 | 0.00 | 1278.60 | 955.80 | 322.80 |
| 5 | 51.40 | 51.40 | 0.00 | 1278.70 | 956.00 | 322.70 |
| 6 | 60.50 | 60.50 | 0.00 | 1278.80 | 956.60 | 322.20 |
| 7 | 107.60 | 107.60 | 0.00 | 1278.70 | 960.00 | 318.70 |
| 8 | 120.00 | 120.00 | 0.00 | 1278.60 | 962.10 | 316.50 |
| 9 | 113.40 | 113.40 | 0.00 | 1278.60 | 961.90 | 316.70 |
| 10 | 102.10 | 102.10 | 0.00 | 1278.60 | 961.00 | 317.60 |
| 11 | 104.90 | 104.90 | 0.00 | 1278.60 | 961.20 | 317.40 |
| 12 | 121.60 | 121.60 | 0.00 | 1278.50 | 962.40 | 316.10 |
| 13 | 126.60 | 126.60 | 0.00 | 1278.50 | 963.40 | 315.10 |
| 14 | 133.50 | 133.50 | 0.00 | 1278.30 | 964.00 | 314.30 |
| 15 | 139.60 | 139.60 | 0.00 | 1278.20 | 964.50 | 313.70 |
| 16 | 144.70 | 144.70 | 0.00 | 1278.20 | 965.10 | 313.10 |
| 17 | 146.80 | 146.80 | 0.00 | 1278.20 | 965.40 | 312.80 |
| 18 | 137.60 | 137.60 | 0.00 | 1278.20 | 965.00 | 313.20 |
| 19 | 148.00 | 148.00 | 0.00 | 1278.10 | 965.30 | 312.80 |
| 20 | 140.30 | 140.30 | 0.00 | 1278.10 | 965.30 | 312.80 |
| 21 | 130.60 | 130.60 | 0.00 | 1278.00 | 964.60 | 313.40 |
| 22 | 101.70 | 100.30 | 1.40 | 1278.00 | 962.50 | 315.50 |
| 23 | 85.50 | 85.40 | 0.10 | 1278.10 | 960.80 | 317.30 |
| 24 | 70.60 | 70.60 | 0.00 | 1278.10 | 959.30 | 318.80 |
|
| AVG | 103.97 | 103.90 | 0.06 | 1278.40 | 961.30 | 317.09 |
|
| MAX | 148.00 | 148.00 | 1.40 | 1278.80 | 965.40 | 322.80 |
| MIN | 48.80 | 48.80 | 0.00 | 1278.00 | 955.80 | 312.80 |