Grand Coulee Dam
Tuesday November 3, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 40.80 | 40.80 | 0.00 | 1289.10 | 955.90 | 333.20 |
| 2 | 34.30 | 34.30 | 0.00 | 1289.10 | 955.50 | 333.60 |
| 3 | 37.90 | 37.90 | 0.00 | 1289.20 | 955.20 | 334.00 |
| 4 | 33.40 | 33.40 | 0.00 | 1289.20 | 955.20 | 334.00 |
| 5 | 50.60 | 50.60 | 0.00 | 1289.20 | 956.40 | 332.80 |
| 6 | 76.90 | 76.90 | 0.00 | 1289.20 | 958.30 | 330.90 |
| 7 | 97.30 | 97.30 | 0.00 | 1289.20 | 960.10 | 329.10 |
| 8 | 100.80 | 100.80 | 0.00 | 1289.20 | 960.80 | 328.40 |
| 9 | 94.50 | 94.50 | 0.00 | 1289.10 | 960.40 | 328.70 |
| 10 | 92.50 | 92.50 | 0.00 | 1289.20 | 959.90 | 329.30 |
| 11 | 99.30 | 99.30 | 0.00 | 1289.20 | 960.10 | 329.10 |
| 12 | 88.80 | 88.80 | 0.00 | 1289.20 | 959.50 | 329.70 |
| 13 | 72.50 | 72.50 | 0.00 | 1289.20 | 957.70 | 331.50 |
| 14 | 80.30 | 80.30 | 0.00 | 1289.10 | 958.10 | 331.00 |
| 15 | 67.30 | 67.30 | 0.00 | 1289.10 | 957.90 | 331.20 |
| 16 | 87.20 | 87.20 | 0.00 | 1289.00 | 959.10 | 329.90 |
| 17 | 97.30 | 97.30 | 0.00 | 1289.00 | 960.20 | 328.80 |
| 18 | 105.30 | 105.30 | 0.00 | 1289.00 | 961.10 | 327.90 |
| 19 | 99.30 | 99.30 | 0.00 | 1289.10 | 960.80 | 328.30 |
| 20 | 96.10 | 96.10 | 0.00 | 1289.10 | 960.50 | 328.60 |
| 21 | 91.70 | 91.70 | 0.00 | 1289.00 | 960.10 | 328.90 |
| 22 | 79.00 | 79.00 | 0.00 | 1289.00 | 959.00 | 330.00 |
| 23 | 69.40 | 69.40 | 0.00 | 1289.00 | 958.10 | 330.90 |
| 24 | 53.30 | 53.30 | 0.00 | 1289.00 | 956.80 | 332.20 |
|
| AVG | 76.91 | 76.91 | 0.00 | 1289.11 | 958.61 | 330.50 |
|
| MAX | 105.30 | 105.30 | 0.00 | 1289.20 | 961.10 | 334.00 |
| MIN | 33.40 | 33.40 | 0.00 | 1289.00 | 955.20 | 327.90 |