Grand Coulee Dam
Friday August 29, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 59.20 | 59.20 | 0.00 | 1278.20 | 958.00 | 320.20 |
| 2 | 49.00 | 49.00 | 0.00 | 1278.10 | 956.90 | 321.20 |
| 3 | 47.70 | 47.70 | 0.00 | 1278.10 | 956.40 | 321.70 |
| 4 | 51.90 | 51.90 | 0.00 | 1278.10 | 956.50 | 321.60 |
| 5 | 50.30 | 50.30 | 0.00 | 1278.10 | 956.30 | 321.80 |
| 6 | 61.80 | 61.80 | 0.00 | 1278.20 | 957.10 | 321.10 |
| 7 | 92.20 | 92.20 | 0.00 | 1278.10 | 959.40 | 318.70 |
| 8 | 93.00 | 93.00 | 0.00 | 1278.20 | 960.20 | 318.00 |
| 9 | 91.50 | 91.50 | 0.00 | 1278.20 | 959.70 | 318.50 |
| 10 | 99.00 | 99.00 | 0.00 | 1278.10 | 960.10 | 318.00 |
| 11 | 103.50 | 103.50 | 0.00 | 1278.00 | 960.70 | 317.30 |
| 12 | 113.90 | 113.90 | 0.00 | 1278.00 | 961.40 | 316.60 |
| 13 | 118.70 | 118.70 | 0.00 | 1278.00 | 962.00 | 316.00 |
| 14 | 121.20 | 121.20 | 0.00 | 1277.90 | 962.50 | 315.40 |
| 15 | 130.70 | 130.70 | 0.00 | 1277.80 | 963.30 | 314.50 |
| 16 | 133.70 | 133.70 | 0.00 | 1277.80 | 963.80 | 314.00 |
| 17 | 134.60 | 134.60 | 0.00 | 1277.70 | 963.90 | 313.80 |
| 18 | 156.20 | 156.20 | 0.00 | 1277.60 | 965.20 | 312.40 |
| 19 | 163.00 | 163.00 | 0.00 | 1277.50 | 966.50 | 311.00 |
| 20 | 149.00 | 149.00 | 0.00 | 1277.60 | 965.90 | 311.70 |
| 21 | 119.20 | 119.20 | 0.00 | 1277.60 | 963.70 | 313.90 |
| 22 | 101.60 | 100.30 | 1.30 | 1277.60 | 961.80 | 315.80 |
| 23 | 81.60 | 81.50 | 0.10 | 1277.70 | 960.10 | 317.60 |
| 24 | 66.70 | 66.70 | 0.00 | 1277.70 | 959.10 | 318.60 |
|
| AVG | 99.55 | 99.49 | 0.06 | 1277.91 | 960.85 | 317.06 |
|
| MAX | 163.00 | 163.00 | 1.30 | 1278.20 | 966.50 | 321.80 |
| MIN | 47.70 | 47.70 | 0.00 | 1277.50 | 956.30 | 311.00 |