Grand Coulee Dam
Monday January 26, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 101.50 | 101.50 | 0.00 | 1279.50 | 960.90 | 318.60 |
| 2 | 102.60 | 102.60 | 0.00 | 1279.50 | 960.50 | 319.00 |
| 3 | 102.00 | 102.00 | 0.00 | 1279.50 | 960.50 | 319.00 |
| 4 | 110.50 | 110.50 | 0.00 | 1279.50 | 960.90 | 318.60 |
| 5 | 114.80 | 114.80 | 0.00 | 1279.50 | 961.30 | 318.20 |
| 6 | 142.50 | 142.50 | 0.00 | 1279.50 | 963.40 | 316.10 |
| 7 | 152.20 | 152.20 | 0.00 | 1279.40 | 964.70 | 314.70 |
| 8 | 157.50 | 157.50 | 0.00 | 1279.40 | 965.80 | 313.60 |
| 9 | 142.00 | 142.00 | 0.00 | 1279.40 | 964.80 | 314.60 |
| 10 | 140.20 | 140.20 | 0.00 | 1279.40 | 964.40 | 315.00 |
| 11 | 152.20 | 152.20 | 0.00 | 1279.30 | 965.10 | 314.20 |
| 12 | 145.90 | 145.90 | 0.00 | 1279.30 | 965.10 | 314.20 |
| 13 | 137.70 | 137.70 | 0.00 | 1279.30 | 964.50 | 314.80 |
| 14 | 133.70 | 133.70 | 0.00 | 1279.20 | 963.90 | 315.30 |
| 15 | 122.70 | 122.70 | 0.00 | 1279.30 | 963.10 | 316.20 |
| 16 | 126.60 | 126.60 | 0.00 | 1279.30 | 962.90 | 316.40 |
| 17 | 151.90 | 151.90 | 0.00 | 1279.20 | 964.70 | 314.50 |
| 18 | 160.10 | 160.10 | 0.00 | 1279.10 | 966.10 | 313.00 |
| 19 | 160.30 | 160.30 | 0.00 | 1279.10 | 966.40 | 312.70 |
| 20 | 159.40 | 159.40 | 0.00 | 1279.00 | 966.40 | 312.60 |
| 21 | 154.20 | 154.20 | 0.00 | 1279.10 | 965.90 | 313.20 |
| 22 | 152.90 | 152.90 | 0.00 | 1279.10 | 965.60 | 313.50 |
| 23 | 151.60 | 151.60 | 0.00 | 1279.10 | 965.60 | 313.50 |
| 24 | 136.90 | 136.90 | 0.00 | 1279.00 | 964.70 | 314.30 |
|
| AVG | 138.00 | 138.00 | 0.00 | 1279.29 | 964.05 | 315.24 |
|
| MAX | 160.30 | 160.30 | 0.00 | 1279.50 | 966.40 | 319.00 |
| MIN | 101.50 | 101.50 | 0.00 | 1279.00 | 960.50 | 312.60 |