Grand Coulee Dam
Tuesday December 2, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 45.90 | 45.90 | 0.00 | 1284.60 | 956.20 | 328.40 |
| 2 | 43.20 | 43.20 | 0.00 | 1284.60 | 955.80 | 328.80 |
| 3 | 42.00 | 42.00 | 0.00 | 1284.60 | 955.70 | 328.90 |
| 4 | 44.00 | 44.00 | 0.00 | 1284.60 | 955.90 | 328.70 |
| 5 | 55.20 | 55.20 | 0.00 | 1284.70 | 956.70 | 328.00 |
| 6 | 66.00 | 66.00 | 0.00 | 1284.70 | 957.40 | 327.30 |
| 7 | 87.00 | 87.00 | 0.00 | 1284.70 | 959.00 | 325.70 |
| 8 | 101.70 | 101.70 | 0.00 | 1284.60 | 960.40 | 324.20 |
| 9 | 94.80 | 94.80 | 0.00 | 1284.60 | 960.20 | 324.40 |
| 10 | 84.40 | 84.40 | 0.00 | 1284.60 | 959.20 | 325.40 |
| 11 | 84.40 | 84.40 | 0.00 | 1284.70 | 959.10 | 325.60 |
| 12 | 80.50 | 80.50 | 0.00 | 1284.80 | 958.90 | 325.90 |
| 13 | 75.30 | 75.30 | 0.00 | 1284.70 | 958.40 | 326.30 |
| 14 | 64.50 | 64.50 | 0.00 | 1284.70 | 957.40 | 327.30 |
| 15 | 60.90 | 60.90 | 0.00 | 1284.70 | 956.90 | 327.80 |
| 16 | 70.90 | 70.90 | 0.00 | 1284.70 | 957.50 | 327.20 |
| 17 | 92.60 | 92.60 | 0.00 | 1284.70 | 959.20 | 325.50 |
| 18 | 107.70 | 107.70 | 0.00 | 1284.70 | 960.60 | 324.10 |
| 19 | 101.70 | 101.70 | 0.00 | 1284.70 | 960.50 | 324.20 |
| 20 | 96.60 | 96.60 | 0.00 | 1284.80 | 960.00 | 324.80 |
| 21 | 96.50 | 96.50 | 0.00 | 1284.80 | 959.80 | 325.00 |
| 22 | 91.30 | 91.30 | 0.00 | 1284.80 | 959.60 | 325.20 |
| 23 | 85.30 | 85.30 | 0.00 | 1284.80 | 958.90 | 325.90 |
| 24 | 71.30 | 71.30 | 0.00 | 1284.80 | 957.90 | 326.90 |
|
| AVG | 76.82 | 76.82 | 0.00 | 1284.70 | 958.38 | 326.31 |
|
| MAX | 107.70 | 107.70 | 0.00 | 1284.80 | 960.60 | 328.90 |
| MIN | 42.00 | 42.00 | 0.00 | 1284.60 | 955.70 | 324.10 |