Grand Coulee Dam
Tuesday September 2, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 60.40 | 60.40 | 0.00 | 1276.30 | 957.10 | 319.20 |
| 2 | 44.80 | 44.80 | 0.00 | 1276.30 | 955.90 | 320.40 |
| 3 | 45.10 | 45.10 | 0.00 | 1276.30 | 955.80 | 320.50 |
| 4 | 44.10 | 44.10 | 0.00 | 1276.30 | 955.90 | 320.40 |
| 5 | 49.50 | 49.50 | 0.00 | 1276.30 | 956.50 | 319.80 |
| 6 | 56.10 | 56.10 | 0.00 | 1276.30 | 956.70 | 319.60 |
| 7 | 57.40 | 57.40 | 0.00 | 1276.30 | 956.80 | 319.50 |
| 8 | 63.30 | 63.30 | 0.00 | 1276.30 | 957.10 | 319.20 |
| 9 | 67.70 | 67.70 | 0.00 | 1276.30 | 957.30 | 319.00 |
| 10 | 65.70 | 65.70 | 0.00 | 1276.30 | 957.20 | 319.10 |
| 11 | 87.60 | 87.60 | 0.00 | 1276.30 | 958.80 | 317.50 |
| 12 | 83.90 | 83.90 | 0.00 | 1276.20 | 959.00 | 317.20 |
| 13 | | | | | | |
| 14 | | | | | | |
| 15 | 78.10 | 78.10 | 0.00 | 1276.20 | 958.90 | 317.30 |
| 16 | 92.00 | 92.00 | 0.00 | 1276.10 | 959.90 | 316.20 |
| 17 | 93.40 | 93.40 | 0.00 | 1276.10 | 960.20 | 315.90 |
| 18 | 116.30 | 116.30 | 0.00 | 1276.00 | 961.50 | 314.50 |
| 19 | 137.90 | 137.90 | 0.00 | 1275.90 | 963.90 | 312.00 |
| 20 | 134.00 | 134.00 | 0.00 | 1275.90 | 964.30 | 311.60 |
| 21 | 131.10 | 129.80 | 1.30 | 1275.90 | 963.80 | 312.10 |
| 22 | 96.90 | 96.80 | 0.10 | 1275.90 | 961.40 | 314.50 |
| 23 | 83.10 | 83.10 | 0.00 | 1276.00 | 959.60 | 316.40 |
| 24 | 63.80 | 63.80 | 0.00 | 1276.00 | 958.00 | 318.00 |
|
| AVG | 79.65 | 79.58 | 0.06 | 1276.16 | 958.89 | 317.27 |
|
| MAX | 137.90 | 137.90 | 1.30 | 1276.30 | 964.30 | 320.50 |
| MIN | 44.10 | 44.10 | 0.00 | 1275.90 | 955.80 | 311.60 |