Grand Coulee Dam
Sunday January 25, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 153.60 | 153.60 | 0.00 | 1279.60 | 965.90 | 313.70 |
| 2 | 146.80 | 146.80 | 0.00 | 1279.60 | 965.60 | 314.00 |
| 3 | 157.70 | 157.70 | 0.00 | 1279.60 | 966.20 | 313.40 |
| 4 | 154.70 | 154.70 | 0.00 | 1279.60 | 966.30 | 313.30 |
| 5 | 153.50 | 153.50 | 0.00 | 1279.60 | 966.20 | 313.40 |
| 6 | 141.20 | 141.20 | 0.00 | 1279.60 | 965.30 | 314.30 |
| 7 | 150.30 | 150.30 | 0.00 | 1279.50 | 965.60 | 313.90 |
| 8 | 150.00 | 150.00 | 0.00 | 1279.40 | 966.10 | 313.30 |
| 9 | 146.90 | 146.90 | 0.00 | 1279.50 | 965.70 | 313.80 |
| 10 | 137.40 | 137.40 | 0.00 | 1279.50 | 965.10 | 314.40 |
| 11 | 137.10 | 137.10 | 0.00 | 1279.50 | 964.80 | 314.70 |
| 12 | 118.40 | 118.40 | 0.00 | 1279.50 | 963.70 | 315.80 |
| 13 | 115.10 | 115.10 | 0.00 | 1279.50 | 962.80 | 316.70 |
| 14 | 101.40 | 101.40 | 0.00 | 1279.50 | 961.80 | 317.70 |
| 15 | 93.50 | 93.50 | 0.00 | 1279.50 | 960.90 | 318.60 |
| 16 | 88.50 | 88.50 | 0.00 | 1279.60 | 959.80 | 319.80 |
| 17 | 116.50 | 116.50 | 0.00 | 1279.50 | 961.50 | 318.00 |
| 18 | 143.50 | 143.50 | 0.00 | 1279.40 | 964.10 | 315.30 |
| 19 | 145.10 | 145.10 | 0.00 | 1279.40 | 964.60 | 314.80 |
| 20 | 148.70 | 148.70 | 0.00 | 1279.50 | 964.90 | 314.60 |
| 21 | 144.60 | 144.60 | 0.00 | 1279.50 | 964.70 | 314.80 |
| 22 | 147.80 | 147.80 | 0.00 | 1279.50 | 964.90 | 314.60 |
| 23 | 126.50 | 126.50 | 0.00 | 1279.60 | 963.70 | 315.90 |
| 24 | 117.00 | 117.00 | 0.00 | 1279.50 | 962.40 | 317.10 |
|
| AVG | 134.83 | 134.83 | 0.00 | 1279.52 | 964.28 | 315.25 |
|
| MAX | 157.70 | 157.70 | 0.00 | 1279.60 | 966.30 | 319.80 |
| MIN | 88.50 | 88.50 | 0.00 | 1279.40 | 959.80 | 313.30 |