Lower Granite Dam & Lake
January 2023
Day of Month | Total Generation MWh | Average Generation MW | Station Use MWh | Inflow kcfs | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Midnight Reservoir Elevation | Average Forebay Elevation | Average Tailwater Elevation | Average Head feet | Midnight Lewiston Gage ft |
1 | 3968 | 165 | 45 | 25.30 | 23.40 | 23.00 | 0.00 | 736.93 | 736.91 | 638.30 | 98.61 | 737.16 |
2 | 4807 | 200 | 45 | 25.00 | 27.60 | 27.20 | 0.00 | 736.30 | 736.97 | 636.76 | 100.21 | 736.59 |
3 | 3848 | 160 | 23 | 23.60 | 22.00 | 21.70 | 0.00 | 736.70 | 736.51 | 635.43 | 101.08 | 736.73 |
4 | 4189 | 175 | 17 | 22.90 | 23.40 | 23.20 | 0.00 | 736.59 | 736.91 | 635.71 | 101.20 | 736.52 |
5 | 3584 | 149 | 20 | 21.40 | 20.60 | 20.50 | 0.00 | 736.79 | 736.85 | 636.57 | 100.28 | 736.90 |
6 | 3825 | 159 | 20 | 22.00 | 22.00 | 21.90 | 0.00 | 736.80 | 736.93 | 637.06 | 99.87 | 736.85 |
7 | 3798 | 158 | 19 | 21.90 | 21.60 | 21.60 | 0.00 | 736.89 | 737.09 | 637.51 | 99.58 | 736.93 |
8 | 4111 | 171 | 19 | 21.40 | 23.60 | 23.60 | 0.00 | 736.34 | 736.90 | 637.58 | 99.32 | 736.47 |
9 | 1323 | 55 | 19 | 24.30 | 21.90 | 12.50 | 9.40 | 736.93 | 736.56 | 636.85 | 99.71 | 737.07 |
10 | 20 | 1 | 20 | 26.00 | 24.20 | 7.40 | 16.80 | 737.38 | 737.21 | 636.22 | 100.99 | 737.54 |
11 | 20 | 1 | 20 | 26.60 | 27.20 | 7.40 | 19.60 | 737.20 | 737.29 | 636.17 | 101.12 | 737.36 |
12 | 19 | 1 | 19 | 26.20 | 27.00 | 7.30 | 19.70 | 737.01 | 737.11 | 635.94 | 101.17 | 737.11 |
13 | 18 | 1 | 18 | 27.40 | 26.90 | 7.20 | 19.70 | 737.13 | 737.11 | 636.55 | 100.56 | 737.26 |
14 | 18 | 1 | 18 | 28.90 | 27.90 | 7.20 | 20.70 | 737.37 | 737.33 | 636.61 | 100.72 | 737.50 |
15 | 19 | 1 | 18 | 28.30 | 30.50 | 7.30 | 23.20 | 736.83 | 737.05 | 636.35 | 100.70 | 737.06 |
16 | 19 | 1 | 19 | 29.60 | 27.60 | 7.30 | 20.10 | 737.31 | 737.10 | 635.82 | 101.28 | 737.49 |
17 | 20 | 1 | 20 | 30.10 | 31.00 | 7.40 | 23.40 | 737.07 | 737.28 | 635.91 | 101.37 | 737.23 |
18 | 20 | 1 | 20 | 30.50 | 31.50 | 7.50 | 23.90 | 736.85 | 736.95 | 636.55 | 100.40 | 737.05 |
19 | 1620 | 68 | 20 | 27.70 | 29.30 | 14.20 | 15.00 | 736.46 | 736.77 | 636.37 | 100.40 | 736.54 |
20 | 4193 | 175 | 19 | 24.20 | 23.90 | 23.80 | 0.00 | 736.55 | 736.47 | 636.45 | 100.02 | 736.53 |
21 | 3776 | 157 | 20 | 22.80 | 21.70 | 21.70 | 0.00 | 736.84 | 736.85 | 636.59 | 100.26 | 736.99 |
22 | | | | 20.80 | 21.60 | 21.60 | 0.00 | 736.66 | 736.95 | 636.51 | 100.44 | 736.80 |
23 | | | | 20.10 | 19.90 | 19.80 | 0.00 | 736.71 | 736.69 | 635.66 | 101.03 | 736.92 |
24 | | | | 22.20 | 23.20 | 23.20 | 0.00 | 736.47 | 736.88 | 635.88 | 101.00 | 736.71 |
25 | | | | 22.60 | 22.20 | 22.10 | 0.00 | 736.56 | 736.70 | 635.60 | 101.10 | 736.60 |
26 | | | | 23.20 | 22.90 | 22.90 | 0.00 | 736.63 | 736.72 | 635.45 | 101.27 | 736.73 |
27 | | | | 21.00 | 21.90 | 21.90 | 0.00 | 736.40 | 736.80 | 635.46 | 101.34 | 736.59 |
28 | | | | | | | | | | | | |
29 | | | | | | | | | | | | |
30 | | | | | | | | | | | | |
31 | | | | | | | | | | | | |
|
TOT | 43215 | | 457 | | | | | | | | | |
AVG | 2058 | 86 | 22 | 24.67 | 24.69 | 16.76 | 7.83 | 736.80 | 736.92 | 636.37 | 100.56 | 736.93 |
|
MAX | 4807 | | | 30.50 | 31.50 | 27.20 | 23.90 | 737.38 | 737.33 | 638.30 | 101.37 | 737.54 |
MIN | 18 | | | 20.10 | 19.90 | 7.20 | 0.00 | 736.30 | 736.47 | 635.43 | 98.61 | 736.47 |