Grand Coulee Dam
Monday February 2, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 92.70 | 92.70 | 0.00 | 1277.60 | 960.20 | 317.40 |
| 2 | 91.80 | 91.80 | 0.00 | 1277.70 | 959.80 | 317.90 |
| 3 | 90.10 | 90.10 | 0.00 | 1277.80 | 956.60 | 321.20 |
| 4 | 91.60 | 91.60 | 0.00 | 1277.70 | 959.50 | 318.20 |
| 5 | 102.90 | 102.90 | 0.00 | 1277.70 | 960.20 | 317.50 |
| 6 | 112.20 | 112.20 | 0.00 | 1277.70 | 960.90 | 316.80 |
| 7 | 123.70 | 123.70 | 0.00 | 1277.60 | 962.00 | 315.60 |
| 8 | 153.30 | 153.30 | 0.00 | 1277.50 | 964.50 | 313.00 |
| 9 | 135.70 | 135.70 | 0.00 | 1277.60 | 964.10 | 313.50 |
| 10 | 132.70 | 132.70 | 0.00 | 1277.70 | 963.50 | 314.20 |
| 11 | 135.80 | 135.80 | 0.00 | 1277.60 | 963.50 | 314.10 |
| 12 | 126.30 | 126.30 | 0.00 | 1277.60 | 963.30 | 314.30 |
| 13 | 121.50 | 121.50 | 0.00 | 1277.50 | 962.70 | 314.80 |
| 14 | 112.70 | 112.70 | 0.00 | 1277.50 | 961.80 | 315.70 |
| 15 | 95.60 | 95.60 | 0.00 | 1277.50 | 960.30 | 317.20 |
| 16 | 107.20 | 107.20 | 0.00 | 1277.50 | 960.40 | 317.10 |
| 17 | 149.80 | 149.80 | 0.00 | 1277.40 | 963.90 | 313.50 |
| 18 | 153.60 | 153.60 | 0.00 | 1277.40 | 965.40 | 312.00 |
| 19 | 161.00 | 161.00 | 0.00 | 1277.40 | 966.00 | 311.40 |
| 20 | 160.50 | 160.50 | 0.00 | 1277.30 | 966.10 | 311.20 |
| 21 | 147.50 | 147.50 | 0.00 | 1277.30 | 965.50 | 311.80 |
| 22 | 135.90 | 135.90 | 0.00 | 1277.30 | 964.30 | 313.00 |
| 23 | 130.80 | 130.80 | 0.00 | 1277.30 | 963.70 | 313.60 |
| 24 | 123.10 | 123.10 | 0.00 | 1277.20 | 963.00 | 314.20 |
|
| AVG | 124.50 | 124.50 | 0.00 | 1277.52 | 962.55 | 314.97 |
|
| MAX | 161.00 | 161.00 | 0.00 | 1277.80 | 966.10 | 321.20 |
| MIN | 90.10 | 90.10 | 0.00 | 1277.20 | 956.60 | 311.20 |