Grand Coulee Dam
Saturday August 30, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 63.30 | 63.30 | 0.00 | 1277.60 | 958.60 | 319.00 |
| 2 | 55.10 | 55.10 | 0.00 | 1277.60 | 957.90 | 319.70 |
| 3 | 51.20 | 51.20 | 0.00 | 1277.60 | 957.00 | 320.60 |
| 4 | 59.30 | 59.30 | 0.00 | 1277.60 | 957.10 | 320.50 |
| 5 | 59.60 | 59.60 | 0.00 | 1277.60 | 957.00 | 320.60 |
| 6 | 60.40 | 60.40 | 0.00 | 1277.70 | 957.20 | 320.50 |
| 7 | 60.20 | 60.20 | 0.00 | 1277.80 | 957.10 | 320.70 |
| 8 | 61.00 | 61.00 | 0.00 | 1277.70 | 957.20 | 320.50 |
| 9 | 70.40 | 70.40 | 0.00 | 1277.70 | 957.90 | 319.80 |
| 10 | 76.60 | 76.60 | 0.00 | 1277.70 | 958.50 | 319.20 |
| 11 | 83.20 | 83.20 | 0.00 | 1277.70 | 959.10 | 318.60 |
| 12 | 89.00 | 89.00 | 0.00 | 1277.60 | 959.50 | 318.10 |
| 13 | 98.20 | 98.20 | 0.00 | 1277.60 | 960.40 | 317.20 |
| 14 | 104.30 | 104.30 | 0.00 | 1277.60 | 961.00 | 316.60 |
| 15 | 104.10 | 104.10 | 0.00 | 1277.60 | 961.10 | 316.50 |
| 16 | 111.00 | 111.00 | 0.00 | 1277.50 | 961.50 | 316.00 |
| 17 | 128.30 | 128.30 | 0.00 | 1277.40 | 962.90 | 314.50 |
| 18 | 134.30 | 134.30 | 0.00 | 1277.30 | 963.50 | 313.80 |
| 19 | 156.20 | 156.20 | 0.00 | 1277.30 | 965.20 | 312.10 |
| 20 | 121.60 | 121.60 | 0.00 | 1277.30 | 963.60 | 313.70 |
| 21 | 104.90 | 104.90 | 0.00 | 1277.40 | 961.50 | 315.90 |
| 22 | 93.20 | 91.90 | 1.30 | 1277.40 | 960.10 | 317.30 |
| 23 | 93.10 | 93.00 | 0.10 | 1277.40 | 959.90 | 317.50 |
| 24 | 79.70 | 79.70 | 0.00 | 1277.30 | 959.10 | 318.20 |
|
| AVG | 88.26 | 88.20 | 0.06 | 1277.54 | 959.75 | 317.80 |
|
| MAX | 156.20 | 156.20 | 1.30 | 1277.80 | 965.20 | 320.70 |
| MIN | 51.20 | 51.20 | 0.00 | 1277.30 | 957.00 | 312.10 |