Grand Coulee Dam
Thursday February 5, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 108.40 | 108.40 | 0.00 | 1276.80 | 961.50 | 315.30 |
| 2 | 106.70 | 106.70 | 0.00 | 1276.70 | 961.10 | 315.60 |
| 3 | 97.10 | 97.10 | 0.00 | 1276.70 | 960.40 | 316.30 |
| 4 | 99.00 | 99.00 | 0.00 | 1276.80 | 960.30 | 316.50 |
| 5 | 102.30 | 102.30 | 0.00 | 1276.80 | 960.50 | 316.30 |
| 6 | 129.20 | 129.20 | 0.00 | 1276.70 | 962.50 | 314.20 |
| 7 | 127.10 | 127.10 | 0.00 | 1276.60 | 963.10 | 313.50 |
| 8 | 155.00 | 155.00 | 0.00 | 1276.60 | 965.10 | 311.50 |
| 9 | 137.90 | 137.90 | 0.00 | 1276.50 | 964.60 | 311.90 |
| 10 | 120.60 | 120.60 | 0.00 | 1276.60 | 962.90 | 313.70 |
| 11 | 99.50 | 99.50 | 0.00 | 1276.70 | 960.80 | 315.90 |
| 12 | 91.40 | 91.40 | 0.00 | 1276.70 | 959.60 | 317.10 |
| 13 | 86.70 | 86.70 | 0.00 | 1276.70 | 959.60 | 317.10 |
| 14 | 89.60 | 89.60 | 0.00 | 1276.50 | 959.00 | 317.50 |
| 15 | 97.90 | 97.90 | 0.00 | 1276.60 | 959.70 | 316.90 |
| 16 | 103.60 | 106.30 | 0.00 | 1276.60 | 960.40 | 316.20 |
| 17 | 121.70 | 121.70 | 0.00 | 1276.60 | 962.00 | 314.60 |
| 18 | 118.20 | 118.20 | 0.00 | 1276.70 | 962.20 | 314.50 |
| 19 | 137.10 | 137.10 | 0.00 | 1276.70 | 963.40 | 313.30 |
| 20 | 135.20 | 135.20 | 0.00 | 1276.60 | 963.90 | 312.70 |
| 21 | 122.10 | 122.10 | 0.00 | 1276.60 | 963.00 | 313.60 |
| 22 | 118.00 | 118.00 | 0.00 | 1276.50 | 962.50 | 314.00 |
| 23 | 110.90 | 110.90 | 0.00 | 1276.50 | 962.10 | 314.40 |
| 24 | 108.90 | 108.90 | 0.00 | 1276.50 | 961.90 | 314.60 |
|
| AVG | 113.50 | 113.62 | 0.00 | 1276.64 | 961.75 | 314.88 |
|
| MAX | 155.00 | 155.00 | 0.00 | 1276.80 | 965.10 | 317.50 |
| MIN | 86.70 | 86.70 | 0.00 | 1276.50 | 959.00 | 311.50 |