Rock Island Dam & Reservoir
September 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 |
1 | 5079 | 212 | 0 | 68.55 | 71.29 | 70.85 | 0.44 | 611.39 | 611.50 | 569.77 | 41.73 |
2 | 4539 | 189 | 0 | 62.90 | 59.62 | 59.62 | 0.00 | 611.95 | 612.05 | 567.83 | 44.22 |
3 | 4424 | 184 | 0 | 59.80 | 60.45 | 60.45 | 0.00 | 612.21 | 612.08 | 568.94 | 43.14 |
4 | 4583 | 191 | 0 | 60.27 | 61.24 | 61.24 | 0.00 | 612.24 | 612.19 | 569.25 | 42.94 |
5 | 4762 | 198 | 0 | 62.57 | 65.99 | 64.87 | 1.12 | 611.68 | 612.08 | 570.10 | 41.98 |
6 | 3200 | 133 | 0 | 47.87 | 47.24 | 47.24 | 0.00 | 611.23 | 611.60 | 569.38 | 42.22 |
7 | 4018 | 167 | 0 | 52.42 | 53.15 | 53.01 | 0.14 | 611.26 | 612.16 | 568.86 | 43.30 |
8 | 4029 | 168 | 0 | 54.05 | 52.60 | 52.60 | 0.00 | 612.08 | 612.00 | 568.15 | 43.85 |
9 | 3920 | 163 | 0 | 48.86 | 50.32 | 50.32 | 0.00 | 611.45 | 611.74 | 568.29 | 43.45 |
10 | 3818 | 159 | 0 | 51.85 | 51.06 | 51.06 | 0.00 | 611.89 | 611.84 | 568.24 | 43.60 |
11 | 3410 | 142 | 0 | 44.89 | 45.39 | 45.19 | 0.20 | 611.02 | 611.45 | 568.57 | 42.88 |
12 | 3540 | 148 | 0 | 48.87 | 47.25 | 47.25 | 0.00 | 612.20 | 611.62 | 568.54 | 43.08 |
13 | 3751 | 156 | 0 | 48.14 | 48.67 | 48.67 | 0.00 | 612.12 | 611.99 | 567.63 | 44.36 |
14 | 3647 | 152 | 0 | 46.82 | 46.44 | 46.44 | 0.00 | 612.42 | 612.14 | 566.72 | 45.42 |
15 | 3149 | 131 | 0 | 38.14 | 38.97 | 38.88 | 0.10 | 611.78 | 612.06 | 565.79 | 46.27 |
16 | 3430 | 143 | 0 | 44.04 | 43.19 | 43.19 | 0.00 | 611.87 | 612.07 | 565.38 | 46.69 |
17 | 3574 | 149 | 0 | 46.92 | 47.02 | 47.02 | 0.00 | 611.84 | 612.10 | 567.20 | 44.90 |
18 | 3858 | 161 | 0 | 51.35 | 51.71 | 51.71 | 0.00 | 611.37 | 612.05 | 568.97 | 43.08 |
19 | 3614 | 151 | 0 | 46.84 | 46.14 | 46.14 | 0.00 | 611.42 | 611.98 | 567.41 | 44.57 |
20 | 3449 | 144 | 0 | 44.33 | 45.39 | 44.94 | 0.45 | 610.24 | 611.58 | 567.78 | 43.80 |
21 | | | | 55.24 | 52.53 | 52.53 | 0.00 | 612.22 | 611.77 | 568.43 | 43.34 |
22 | | | | 45.35 | 45.81 | 45.27 | 0.55 | 612.19 | 612.09 | 567.91 | 44.18 |
23 | | | | 42.95 | 43.61 | 43.61 | 0.00 | 611.64 | 612.02 | 566.83 | 45.19 |
24 | | | | 43.15 | 42.37 | 42.37 | 0.00 | 612.27 | 611.95 | 568.01 | 43.94 |
25 | | | | 43.40 | 44.25 | 44.25 | 0.00 | 611.98 | 611.84 | 567.79 | 44.05 |
26 | | | | 46.14 | 45.47 | 45.47 | 0.00 | 611.97 | 612.04 | 567.68 | 44.36 |
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30 | | | | | | | | | | | |
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TOT | 77794 | | 0 | | | | | | | | |
AVG | 3890 | 162 | 0 | 50.22 | 50.28 | 50.16 | 0.12 | 611.77 | 611.92 | 568.06 | 43.87 |
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MAX | 5079 | | | 68.55 | 71.29 | 70.85 | 1.12 | 612.42 | 612.19 | 570.10 | 46.69 |
MIN | 3149 | | | 38.14 | 38.97 | 38.88 | 0.00 | 610.24 | 611.45 | 565.38 | 41.73 |