Grand Coulee Dam
Wednesday August 27, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 49.40 | 49.40 | 0.00 | 1278.90 | 955.30 | 323.60 |
| 2 | 45.90 | 45.90 | 0.00 | 1278.90 | 954.90 | 324.00 |
| 3 | 46.90 | 46.90 | 0.00 | 1278.80 | 954.60 | 324.20 |
| 4 | 46.60 | 46.60 | 0.00 | 1278.80 | 954.90 | 323.90 |
| 5 | 44.20 | 44.20 | 0.00 | 1278.90 | 954.70 | 324.20 |
| 6 | 53.70 | 53.70 | 0.00 | 1278.99 | 955.30 | 323.69 |
| 7 | 86.10 | 86.10 | 0.00 | 1278.94 | 957.97 | 320.97 |
| 8 | 91.80 | 91.80 | 0.00 | 1278.94 | 959.20 | 319.74 |
| 9 | 97.40 | 97.40 | 0.00 | 1278.90 | 959.80 | 319.10 |
| 10 | 98.00 | 98.00 | 0.00 | 1278.85 | 960.20 | 318.65 |
| 11 | 94.90 | 94.90 | 0.00 | 1278.84 | 960.30 | 318.54 |
| 12 | 102.80 | 102.80 | 0.00 | 1278.90 | 960.80 | 318.10 |
| 13 | 105.90 | 105.90 | 0.00 | 1278.90 | 961.40 | 317.50 |
| 14 | 123.70 | 123.70 | 0.00 | 1278.80 | 962.30 | 316.50 |
| 15 | 117.50 | 117.50 | 0.00 | 1278.80 | 962.30 | 316.50 |
| 16 | 118.80 | 118.80 | 0.00 | 1278.70 | 962.40 | 316.30 |
| 17 | 119.50 | 119.50 | 0.00 | 1278.70 | 962.80 | 315.90 |
| 18 | 132.00 | 132.00 | 0.00 | 1278.60 | 963.60 | 315.00 |
| 19 | 138.60 | 138.60 | 0.00 | 1278.60 | 964.40 | 314.20 |
| 20 | 132.40 | 132.40 | 0.00 | 1278.50 | 964.20 | 314.30 |
| 21 | 106.10 | 106.10 | 0.00 | 1278.60 | 962.20 | 316.40 |
| 22 | 91.40 | 90.00 | 1.40 | 1278.70 | 960.60 | 318.10 |
| 23 | 67.30 | 67.20 | 0.10 | 1278.70 | 958.60 | 320.10 |
| 24 | 56.50 | 56.50 | 0.00 | 1278.70 | 957.00 | 321.70 |
|
| AVG | 90.31 | 90.25 | 0.06 | 1278.79 | 959.57 | 319.22 |
|
| MAX | 138.60 | 138.60 | 1.40 | 1278.99 | 964.40 | 324.20 |
| MIN | 44.20 | 44.20 | 0.00 | 1278.50 | 954.60 | 314.20 |