Grand Coulee Dam
Monday September 6, 2021
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 42.40 | 42.40 | 0.00 | 1275.10 | 956.10 | 319.00 |
| 2 | 40.70 | 40.70 | 0.00 | 1275.10 | 956.00 | 319.10 |
| 3 | 42.20 | 42.20 | 0.00 | 1275.10 | 956.00 | 319.10 |
| 4 | 50.80 | 50.80 | 0.00 | 1275.10 | 956.90 | 318.20 |
| 5 | 43.50 | 43.50 | 0.00 | 1275.10 | 956.50 | 318.60 |
| 6 | 40.60 | 40.60 | 0.00 | 1275.10 | 956.00 | 319.10 |
| 7 | 36.00 | 36.00 | 0.00 | 1275.00 | 955.90 | 319.10 |
| 8 | 41.00 | 41.00 | 0.00 | 1275.00 | 956.30 | 318.70 |
| 9 | 41.70 | 41.70 | 0.00 | 1275.00 | 956.20 | 318.80 |
| 10 | 44.20 | 44.20 | 0.00 | 1275.00 | 956.20 | 318.80 |
| 11 | 52.90 | 52.90 | 0.00 | 1275.00 | 956.80 | 318.20 |
| 12 | 54.70 | 54.70 | 0.00 | 1275.00 | 957.00 | 318.00 |
| 13 | 57.30 | 57.30 | 0.00 | 1275.00 | 957.00 | 318.00 |
| 14 | 64.70 | 64.70 | 0.00 | 1275.00 | 957.70 | 317.30 |
| 15 | 68.40 | 68.40 | 0.00 | 1275.00 | 958.00 | 317.00 |
| 16 | 88.80 | 88.80 | 0.00 | 1274.90 | 959.40 | 315.50 |
| 17 | 100.00 | 100.00 | 0.00 | 1274.90 | 960.50 | 314.40 |
| 18 | 117.00 | 117.00 | 0.00 | 1274.80 | 961.90 | 312.90 |
| 19 | 109.20 | 109.20 | 0.00 | 1274.80 | 961.80 | 313.00 |
| 20 | 99.40 | 99.40 | 0.00 | 1274.80 | 960.90 | 313.90 |
| 21 | 89.30 | 88.20 | 1.10 | 1274.80 | 960.30 | 314.50 |
| 22 | 62.60 | 62.50 | 0.10 | 1274.80 | 958.30 | 316.50 |
| 23 | 57.30 | 57.30 | 0.00 | 1274.80 | 957.40 | 317.40 |
| 24 | 49.40 | 49.40 | 0.00 | 1274.80 | 957.00 | 317.80 |
|
| AVG | 62.25 | 62.20 | 0.05 | 1274.96 | 957.75 | 317.20 |
|
| MAX | 117.00 | 117.00 | 1.10 | 1275.10 | 961.90 | 319.10 |
| MIN | 36.00 | 36.00 | 0.00 | 1274.80 | 955.90 | 312.90 |