Grand Coulee Dam
Monday September 1, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 67.50 | 67.50 | 0.00 | 1276.70 | 958.40 | 318.30 |
| 2 | 59.00 | 59.00 | 0.00 | 1276.60 | 957.40 | 319.20 |
| 3 | 55.30 | 55.30 | 0.00 | 1276.50 | 957.20 | 319.30 |
| 4 | 52.80 | 52.80 | 0.00 | 1276.60 | 956.90 | 319.70 |
| 5 | 52.60 | 52.60 | 0.00 | 1276.60 | 956.90 | 319.70 |
| 6 | 52.60 | 52.60 | 0.00 | 1276.60 | 956.80 | 319.80 |
| 7 | 51.20 | 51.20 | 0.00 | 1276.70 | 956.70 | 320.00 |
| 8 | 41.00 | 41.00 | 0.00 | 1276.70 | 955.90 | 320.80 |
| 9 | 46.00 | 46.00 | 0.00 | 1276.60 | 956.10 | 320.50 |
| 10 | 53.70 | 53.70 | 0.00 | 1276.60 | 956.90 | 319.70 |
| 11 | 60.00 | 60.00 | 0.00 | 1276.60 | 957.40 | 319.20 |
| 12 | 66.60 | 66.60 | 0.00 | 1276.60 | 957.80 | 318.80 |
| 13 | 69.20 | 69.20 | 0.00 | 1276.60 | 958.30 | 318.30 |
| 14 | 81.90 | 81.90 | 0.00 | 1276.60 | 958.90 | 317.70 |
| 15 | 91.40 | 91.40 | 0.00 | 1276.50 | 960.00 | 316.50 |
| 16 | 95.70 | 95.70 | 0.00 | 1276.50 | 960.60 | 315.90 |
| 17 | 101.50 | 101.50 | 0.00 | 1276.40 | 960.90 | 315.50 |
| 18 | 118.30 | 118.30 | 0.00 | 1276.40 | 962.10 | 314.30 |
| 19 | 130.20 | 130.20 | 0.00 | 1276.30 | 963.60 | 312.70 |
| 20 | 114.80 | 114.80 | 0.00 | 1276.30 | 962.80 | 313.50 |
| 21 | 99.40 | 98.10 | 1.30 | 1276.30 | 961.30 | 315.00 |
| 22 | 85.40 | 85.40 | 0.10 | 1276.30 | 959.80 | 316.50 |
| 23 | 76.40 | 76.40 | 0.00 | 1276.40 | 958.80 | 317.60 |
| 24 | 65.30 | 65.30 | 0.00 | 1276.40 | 957.70 | 318.70 |
|
| AVG | 74.49 | 74.44 | 0.06 | 1276.52 | 958.72 | 317.80 |
|
| MAX | 130.20 | 130.20 | 1.30 | 1276.70 | 963.60 | 320.80 |
| MIN | 41.00 | 41.00 | 0.00 | 1276.30 | 955.90 | 312.70 |