Grand Coulee Dam
Saturday October 31, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 46.40 | 46.40 | 0.00 | 1288.50 | 956.20 | 332.30 |
| 2 | 43.50 | 43.50 | 0.00 | 1288.50 | 955.80 | 332.70 |
| 3 | 44.00 | 44.00 | 0.00 | 1288.50 | 956.40 | 332.10 |
| 4 | 45.60 | 45.60 | 0.00 | 1288.50 | 956.50 | 332.00 |
| 5 | 51.70 | 51.70 | 0.00 | 1288.40 | 956.70 | 331.70 |
| 6 | 60.90 | 60.90 | 0.00 | 1288.40 | 957.50 | 330.90 |
| 7 | 64.10 | 64.10 | 0.00 | 1288.40 | 957.80 | 330.60 |
| 8 | 76.30 | 76.30 | 0.00 | 1288.40 | 958.60 | 329.80 |
| 9 | 86.30 | 86.30 | 0.00 | 1288.40 | 959.50 | 328.90 |
| 10 | 84.00 | 84.00 | 0.00 | 1288.40 | 959.50 | 328.90 |
| 11 | 84.30 | 84.30 | 0.00 | 1288.40 | 959.40 | 329.00 |
| 12 | 74.40 | 74.40 | 0.00 | 1288.40 | 958.80 | 329.60 |
| 13 | 67.00 | 67.00 | 0.00 | 1288.40 | 958.10 | 330.30 |
| 14 | 60.90 | 60.90 | 0.00 | 1288.40 | 957.50 | 330.90 |
| 15 | 57.80 | 57.80 | 0.00 | 1288.30 | 957.10 | 331.20 |
| 16 | 57.50 | 57.50 | 0.00 | 1288.30 | 957.10 | 331.20 |
| 17 | 57.10 | 57.10 | 0.00 | 1288.30 | 957.00 | 331.30 |
| 18 | 53.40 | 53.40 | 0.00 | 1288.30 | 956.60 | 331.70 |
| 19 | 60.00 | 60.00 | 0.00 | 1288.40 | 956.90 | 331.50 |
| 20 | 57.40 | 57.40 | 0.00 | 1288.40 | 956.90 | 331.50 |
| 21 | 50.80 | 50.80 | 0.00 | 1288.40 | 956.30 | 332.10 |
| 22 | 49.30 | 49.30 | 0.00 | 1288.40 | 956.10 | 332.30 |
| 23 | 46.90 | 46.90 | 0.00 | 1288.40 | 956.00 | 332.40 |
| 24 | 41.50 | 41.50 | 0.00 | 1288.50 | 955.80 | 332.70 |
| 1 | 48.30 | 48.30 | 0.00 | 1288.50 | 955.90 | 332.60 |
|
| AVG | 58.78 | 58.78 | 0.00 | 1288.41 | 957.20 | 331.21 |
|
| MAX | 86.30 | 86.30 | 0.00 | 1288.50 | 959.50 | 332.70 |
| MIN | 41.50 | 41.50 | 0.00 | 1288.30 | 955.80 | 328.90 |