Grand Coulee Dam
Tuesday December 9, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 38.60 | 38.60 | 0.00 | 1282.90 | 955.10 | 327.80 |
| 2 | 38.00 | 38.00 | 0.00 | 1282.90 | 954.80 | 328.10 |
| 3 | 39.20 | 39.20 | 0.00 | 1283.00 | 955.40 | 327.60 |
| 4 | 44.60 | 44.60 | 0.00 | 1283.00 | 955.50 | 327.50 |
| 5 | 57.70 | 57.70 | 0.00 | 1282.90 | 956.20 | 326.70 |
| 6 | 65.30 | 65.30 | 0.00 | 1283.00 | 957.00 | 326.00 |
| 7 | 73.20 | 73.20 | 0.00 | 1283.10 | 957.70 | 325.40 |
| 8 | 76.10 | 76.10 | 0.00 | 1283.10 | 958.20 | 324.90 |
| 9 | 53.90 | 53.90 | 0.00 | 1283.20 | 956.80 | 326.40 |
| 10 | 63.30 | 63.30 | 0.00 | 1283.30 | 957.00 | 326.30 |
| 11 | 65.10 | 65.10 | 0.00 | 1283.20 | 957.60 | 325.60 |
| 12 | 67.60 | 67.60 | 0.00 | 1283.20 | 957.80 | 325.40 |
| 13 | 67.90 | 67.90 | 0.00 | 1283.20 | 957.60 | 325.60 |
| 14 | 72.30 | 72.30 | 0.00 | 1283.20 | 958.00 | 325.20 |
| 15 | 83.60 | 83.60 | 0.00 | 1283.30 | 958.70 | 324.60 |
| 16 | 93.10 | 93.10 | 0.00 | 1283.40 | 959.70 | 323.70 |
| 17 | 104.40 | 104.40 | 0.00 | 1283.40 | 960.70 | 322.70 |
| 18 | | | | | | |
| 19 | | | | | | |
| 20 | | | | | | |
| 21 | | | | | | |
| 22 | | | | | | |
| 23 | | | | | | |
| 24 | | | | | | |
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| AVG | 64.94 | 64.94 | 0.00 | 1283.14 | 957.28 | 325.85 |
|
| MAX | 104.40 | 104.40 | 0.00 | 1283.40 | 960.70 | 328.10 |
| MIN | 38.00 | 38.00 | 0.00 | 1282.90 | 954.80 | 322.70 |