Grand Coulee Dam
Monday June 30, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 72.80 | 72.80 | 0.00 | 1286.30 | 958.10 | 328.20 |
| 2 | 59.90 | 59.90 | 0.00 | 1286.40 | 956.60 | 329.80 |
| 3 | 59.10 | 59.10 | 0.00 | 1286.30 | 956.50 | 329.80 |
| 4 | 55.90 | 55.90 | 0.00 | 1286.40 | 956.80 | 329.60 |
| 5 | 54.30 | 54.30 | 0.00 | 1286.50 | 956.60 | 329.90 |
| 6 | 51.90 | 51.90 | 0.00 | 1286.50 | 956.40 | 330.10 |
| 7 | 52.20 | 52.20 | 0.00 | 1286.50 | 956.50 | 330.00 |
| 8 | 57.30 | 57.30 | 0.00 | 1286.60 | 957.00 | 329.60 |
| 9 | 63.10 | 63.10 | 0.00 | 1286.60 | 957.40 | 329.20 |
| 10 | 67.50 | 67.50 | 0.00 | 1286.60 | 957.70 | 328.90 |
| 11 | 74.10 | 74.10 | 0.00 | 1286.60 | 957.20 | 329.40 |
| 12 | 87.00 | 87.00 | 0.00 | 1286.60 | 959.20 | 327.40 |
| 13 | 90.90 | 90.90 | 0.00 | 1286.60 | 959.80 | 326.80 |
| 14 | 100.90 | 100.90 | 0.00 | 1286.60 | 960.50 | 326.10 |
| 15 | 111.70 | 111.70 | 0.00 | 1286.60 | 961.50 | 325.10 |
| 16 | 121.90 | 121.90 | 0.00 | 1286.60 | 962.40 | 324.20 |
| 17 | 118.40 | 118.40 | 0.00 | 1286.60 | 962.50 | 324.10 |
| 18 | 129.20 | 129.20 | 0.00 | 1286.60 | 963.00 | 323.60 |
| 19 | 138.00 | 138.00 | 0.00 | 1286.50 | 963.80 | 322.70 |
| 20 | 149.70 | 149.70 | 0.00 | 1286.50 | 964.90 | 321.60 |
| 21 | 128.50 | 128.50 | 0.00 | 1286.60 | 964.00 | 322.60 |
| 22 | 111.50 | 111.40 | 0.20 | 1286.60 | 962.20 | 324.40 |
| 23 | 106.30 | 104.90 | 1.40 | 1286.60 | 961.50 | 325.10 |
| 24 | 98.70 | 98.70 | 0.00 | 1286.60 | 960.70 | 325.90 |
|
| AVG | 90.03 | 89.97 | 0.07 | 1286.54 | 959.70 | 326.84 |
|
| MAX | 149.70 | 149.70 | 1.40 | 1286.60 | 964.90 | 330.10 |
| MIN | 51.90 | 51.90 | 0.00 | 1286.30 | 956.40 | 321.60 |