Grand Coulee Dam
Tuesday June 2, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 181.10 | 181.10 | 0.00 | 1274.70 | 969.20 | 305.50 |
| 2 | 165.10 | 165.10 | 0.00 | 1274.70 | 969.20 | 305.50 |
| 3 | 159.60 | 159.60 | 0.00 | 1274.70 | 967.50 | 307.20 |
| 4 | 152.70 | 152.70 | 0.00 | 1274.70 | 966.90 | 307.80 |
| 5 | 152.00 | 152.00 | 0.00 | 1274.80 | 966.60 | 308.20 |
| 6 | 160.50 | 160.50 | 0.00 | 1274.80 | 967.00 | 307.80 |
| 7 | 164.40 | 164.40 | 0.00 | 1274.80 | 967.50 | 307.30 |
| 8 | 161.00 | 161.00 | 0.00 | 1274.80 | 967.20 | 307.60 |
| 9 | 156.00 | 156.00 | 0.00 | 1274.80 | 966.80 | 308.00 |
| 10 | 151.00 | 151.00 | 0.00 | 1274.90 | 966.30 | 308.60 |
| 11 | 151.30 | 151.30 | 0.00 | 1275.00 | 966.10 | 308.90 |
| 12 | 153.20 | 153.20 | 0.00 | 1275.00 | 966.10 | 308.90 |
| 13 | 165.70 | 165.70 | 0.00 | 1275.00 | 966.90 | 308.10 |
| 14 | 166.90 | 166.90 | 0.00 | 1275.00 | 967.10 | 307.90 |
| 15 | 173.00 | 173.00 | 0.00 | 1275.10 | 967.40 | 307.70 |
| 16 | 174.10 | 174.10 | 0.00 | 1275.10 | 967.70 | 307.40 |
| 17 | 176.60 | 176.60 | 0.00 | 1275.20 | 967.80 | 307.40 |
| 18 | 182.50 | 182.50 | 0.00 | 1275.20 | 968.30 | 306.90 |
| 19 | 181.00 | 181.00 | 0.00 | 1275.20 | 968.40 | 306.80 |
| 20 | 183.10 | 183.10 | 0.00 | 1275.20 | 968.50 | 306.70 |
| 21 | 179.80 | 179.80 | 0.00 | 1275.10 | 968.30 | 306.80 |
| 22 | 183.30 | 183.30 | 0.00 | 1275.10 | 968.50 | 306.60 |
| 23 | 183.90 | 183.90 | 0.00 | 1275.20 | 968.60 | 306.60 |
| 24 | 186.30 | 186.30 | 0.00 | 1275.20 | 968.80 | 306.40 |
|
| AVG | 168.50 | 168.50 | 0.00 | 1274.97 | 967.61 | 307.36 |
|
| MAX | 186.30 | 186.30 | 0.00 | 1275.20 | 969.20 | 308.90 |
| MIN | 151.00 | 151.00 | 0.00 | 1274.70 | 966.10 | 305.50 |