Grand Coulee Dam
Tuesday February 3, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 129.60 | 129.60 | 0.00 | 1277.20 | 963.20 | 314.00 |
| 2 | 130.30 | 130.30 | 0.00 | 1277.10 | 963.40 | 313.70 |
| 3 | 129.30 | 129.30 | 0.00 | 1277.10 | 963.30 | 313.80 |
| 4 | 127.40 | 127.40 | 0.00 | 1277.10 | 963.20 | 313.90 |
| 5 | 152.20 | 152.20 | 0.00 | 1277.10 | 964.90 | 312.20 |
| 6 | 149.80 | 149.80 | 0.00 | 1277.00 | 965.40 | 311.60 |
| 7 | 126.20 | 126.20 | 0.00 | 1277.00 | 963.80 | 313.20 |
| 8 | 129.70 | 129.70 | 0.00 | 1276.90 | 963.60 | 313.30 |
| 9 | 113.90 | 113.90 | 0.00 | 1276.90 | 962.40 | 314.50 |
| 10 | 110.50 | 110.50 | 0.00 | 1276.90 | 961.70 | 315.20 |
| 11 | 108.10 | 108.10 | 0.00 | 1276.90 | 961.10 | 315.80 |
| 12 | 112.90 | 112.90 | 0.00 | 1276.90 | 961.20 | 315.70 |
| 13 | 105.90 | 105.90 | 0.00 | 1276.90 | 960.80 | 316.10 |
| 14 | 95.50 | 95.50 | 0.00 | 1276.90 | 960.10 | 316.80 |
| 15 | 88.80 | 88.80 | 0.00 | 1276.90 | 959.50 | 317.40 |
| 16 | 95.00 | 95.00 | 0.00 | 1276.90 | 959.70 | 317.20 |
| 17 | 111.40 | 111.40 | 0.00 | 1276.90 | 960.90 | 316.00 |
| 18 | 118.20 | 118.20 | 0.00 | 1276.90 | 961.70 | 315.20 |
| 19 | 125.80 | 125.80 | 0.00 | 1276.80 | 962.50 | 314.30 |
| 20 | 124.30 | 124.30 | 0.00 | 1276.80 | 962.70 | 314.10 |
| 21 | 116.60 | 116.60 | 0.00 | 1276.80 | 962.20 | 314.60 |
| 22 | 119.00 | 119.00 | 0.00 | 1276.80 | 962.10 | 314.70 |
| 23 | 143.60 | 143.60 | 0.00 | 1276.70 | 963.80 | 312.90 |
| 24 | 125.80 | 125.80 | 0.00 | 1276.70 | 963.30 | 313.40 |
|
| AVG | 120.41 | 120.41 | 0.00 | 1276.92 | 962.35 | 314.57 |
|
| MAX | 152.20 | 152.20 | 0.00 | 1277.20 | 965.40 | 317.40 |
| MIN | 88.80 | 88.80 | 0.00 | 1276.70 | 959.50 | 311.60 |