Grand Coulee Dam
Wednesday June 3, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 181.90 | 181.90 | 0.00 | 1275.20 | 968.70 | 306.50 |
| 2 | 176.90 | 176.90 | 0.00 | 1275.20 | 968.20 | 307.00 |
| 3 | 172.50 | 172.50 | 0.00 | 1275.20 | 967.80 | 307.40 |
| 4 | 179.70 | 179.70 | 0.00 | 1275.20 | 968.20 | 307.00 |
| 5 | 174.50 | 174.50 | 0.00 | 1275.20 | 967.90 | 307.30 |
| 6 | 179.60 | 179.60 | 0.00 | 1275.20 | 968.20 | 307.00 |
| 7 | 177.60 | 177.60 | 0.00 | 1275.20 | 968.10 | 307.10 |
| 8 | 173.60 | 173.60 | 0.00 | 1275.20 | 968.00 | 307.20 |
| 9 | 168.70 | 168.70 | 0.00 | 1275.20 | 967.40 | 307.80 |
| 10 | 162.50 | 162.50 | 0.00 | 1275.20 | 966.90 | 308.30 |
| 11 | 170.80 | 170.80 | 0.00 | 1275.20 | 967.20 | 308.00 |
| 12 | 177.80 | 177.80 | 0.00 | 1275.20 | 967.80 | 307.40 |
| 13 | 176.60 | 176.60 | 0.00 | 1275.20 | 968.00 | 307.20 |
| 14 | 157.80 | 157.80 | 0.00 | 1275.20 | 966.70 | 308.50 |
| 15 | 167.70 | 167.70 | 0.00 | 1275.20 | 966.90 | 308.30 |
| 16 | 172.70 | 172.70 | 0.00 | 1275.20 | 967.40 | 307.80 |
| 17 | 161.90 | 161.90 | 0.00 | 1275.30 | 966.80 | 308.50 |
| 18 | 166.00 | 166.00 | 0.00 | 1275.30 | 966.80 | 308.50 |
| 19 | 173.10 | 173.10 | 0.00 | 1275.20 | 967.30 | 307.90 |
| 20 | 168.70 | 168.70 | 0.00 | 1275.20 | 967.30 | 307.90 |
| 21 | 168.70 | 168.70 | 0.00 | 1275.30 | 967.20 | 308.10 |
| 22 | 156.70 | 156.70 | 0.00 | 1275.40 | 966.40 | 309.00 |
| 23 | 169.80 | 169.80 | 0.00 | 1275.30 | 966.90 | 308.40 |
| 24 | 165.50 | 165.50 | 0.00 | 1275.30 | 966.90 | 308.40 |
|
| AVG | 170.89 | 170.89 | 0.00 | 1275.23 | 967.46 | 307.77 |
|
| MAX | 181.90 | 181.90 | 0.00 | 1275.40 | 968.70 | 309.00 |
| MIN | 156.70 | 156.70 | 0.00 | 1275.20 | 966.40 | 306.50 |