US Army Corps of Engineers

The Dalles Dam

September 2021

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 14276 595 48 103.80 100.20 94.40 0.00 158.90 158.58 75.60 82.98
2 13184 549 48 93.70 92.90 87.10 0.00 159.11 159.00 75.64 83.36
3 13090 545 48 92.20 92.30 86.50 0.00 159.03 159.12 75.92 83.20
4 11362 473 48 81.20 80.60 74.80 0.00 159.19 159.14 75.81 83.33
5 11155 465 48 79.30 79.60 73.80 0.00 159.11 159.05 75.93 83.12
6 10432 435 48 74.80 74.50 68.70 0.00 159.18 159.47 75.67 83.80
7 11190 466 48 79.70 79.40 73.60 0.00 159.19 159.51 75.86 83.65
8 11993 500 48 85.00 85.20 79.40 0.00 159.22 159.27 76.10 83.17
9 13229 551 48 95.60 93.80 88.00 0.00 159.54 159.17 76.67 82.50
10 10094 421 48 73.00 73.10 67.30 0.00 159.52 159.44 76.42 83.02
11 9664 403 48 68.00 69.90 64.10 0.00 159.19 159.28 76.39 82.89
12 8742 364 48 64.80 64.20 58.40 0.00 159.33 159.14 76.30 82.84
13 11823 493 48 83.50 84.40 78.60 0.00 159.11 159.08 76.37 82.71
14 11805 492 48 82.80 84.50 78.70 0.00 158.79 159.08 76.44 82.64
15 9207 384 48 67.70 67.30 61.50 0.00 158.88 158.98 76.29 82.69
16 9981 416 48 73.50 72.10 66.30 0.00 159.15 159.02 76.18 82.84
17 10888 454 48 78.60 77.80 72.00 0.00 159.30 159.17 75.94 83.23
18 10851 452 48 76.60 77.50 71.70 0.00 159.11 159.42 75.91 83.51
19 9294 387 48 68.20 67.30 61.50 0.00 159.27 159.25 75.83 83.42
20 85.50 86.70 80.90 0.00 159.11 159.30 76.10 83.20
21 85.60 84.70 78.90 0.00 159.24 159.21 75.77 83.44
22 79.90 81.00 75.20 0.00 159.05 159.25 75.87 83.38
23 84.20 85.20 79.40 0.00 158.90 159.20 76.27 82.93
24 99.30 96.80 91.00 0.00 159.37 159.13 75.85 83.28
25 87.70 91.10 85.30 0.00 158.69 158.74 75.89 82.85
26 75.10 74.10 68.30 0.00 158.92 158.91 75.46 83.45
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TOT212260  912        
AVG 11172 465 48 81.51 81.39 75.59 0.00 159.13 159.15 76.02 83.13
MAX 14276   103.80 100.20 94.40 0.00 159.54 159.51 76.67 83.80
MIN 8742   64.80 64.20 58.40 0.00 158.69 158.58 75.46 82.50