Grand Coulee Dam
Saturday October 18, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 50.50 | 50.50 | 0.00 | 1285.50 | 955.50 | 330.00 |
| 2 | 56.20 | 56.20 | 0.00 | 1285.40 | 955.50 | 329.90 |
| 3 | 54.30 | 54.30 | 0.00 | 1285.40 | 955.40 | 330.00 |
| 4 | 53.30 | 53.30 | 0.00 | 1285.40 | 955.40 | 330.00 |
| 5 | 70.40 | 70.40 | 0.00 | 1285.40 | 956.60 | 328.80 |
| 6 | 77.50 | 77.50 | 0.00 | 1285.40 | 957.50 | 327.90 |
| 7 | 78.20 | 78.20 | 0.00 | 1285.50 | 957.80 | 327.70 |
| 8 | 89.50 | 89.50 | 0.00 | 1285.40 | 958.60 | 326.80 |
| 9 | 87.90 | 87.90 | 0.00 | 1285.30 | 958.80 | 326.50 |
| 10 | 76.20 | 76.20 | 0.00 | 1285.40 | 958.10 | 327.30 |
| 11 | 65.10 | 65.10 | 0.00 | 1285.40 | 957.10 | 328.30 |
| 12 | 57.90 | 57.90 | 0.00 | 1285.40 | 956.40 | 329.00 |
| 13 | 51.60 | 51.60 | 0.00 | 1285.50 | 956.00 | 329.50 |
| 14 | 50.10 | 50.10 | 0.00 | 1285.50 | 955.90 | 329.60 |
| 15 | 53.30 | 53.30 | 0.00 | 1285.50 | 956.10 | 329.40 |
| 16 | 54.30 | 54.30 | 0.00 | 1285.50 | 956.20 | 329.30 |
| 17 | 58.60 | 58.60 | 0.00 | 1285.50 | 956.50 | 329.00 |
| 18 | 73.40 | 73.40 | 0.00 | 1285.50 | 957.60 | 327.90 |
| 19 | 67.80 | 67.80 | 0.00 | 1285.50 | 957.70 | 327.80 |
| 20 | 72.20 | 72.20 | 0.00 | 1285.60 | 957.60 | 328.00 |
| 21 | 69.60 | 69.60 | 0.00 | 1285.60 | 957.60 | 328.00 |
| 22 | 65.30 | 65.30 | 0.00 | 1285.60 | 957.30 | 328.30 |
| 23 | 72.80 | 72.80 | 0.00 | 1285.60 | 957.60 | 328.00 |
| 24 | 69.60 | 69.60 | 0.00 | 1285.60 | 957.70 | 327.90 |
|
| AVG | 65.65 | 65.65 | 0.00 | 1285.47 | 956.94 | 328.54 |
|
| MAX | 89.50 | 89.50 | 0.00 | 1285.60 | 958.80 | 330.00 |
| MIN | 50.10 | 50.10 | 0.00 | 1285.30 | 955.40 | 326.50 |