Bonneville Dam & Lake on Columbia River
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 | Project Average Tailwater | 2nd Powerhouse Total MWh | 2nd Powerhouse Flow kcfs |
1 | 12467 | 519 | 96 | 113.60 | 113.60 | 108.00 | 0.60 | 75.70 | 75.50 | 12.70 | 62.80 | 12.30 | 2630 | 22.80 |
2 | 13811 | 575 | 96 | 122.40 | 126.40 | 120.80 | 0.60 | 75.30 | 74.90 | 12.60 | 62.30 | 12.20 | 3857 | 33.70 |
3 | 14590 | 608 | 96 | 138.20 | 133.20 | 127.60 | 0.60 | 76.00 | 75.30 | 13.20 | 62.10 | 12.80 | 4890 | 43.00 |
4 | 14616 | 609 | 96 | 124.20 | 133.20 | 127.60 | 0.60 | 75.10 | 75.40 | 12.70 | 62.70 | 12.40 | 6054 | 52.90 |
5 | 13624 | 568 | 96 | 117.10 | 126.10 | 120.50 | 0.60 | 74.20 | 74.20 | 12.50 | 61.70 | 12.20 | 5009 | 44.30 |
6 | 13313 | 555 | 96 | 135.00 | 123.00 | 117.50 | 0.50 | 75.30 | 74.40 | 12.50 | 61.90 | 12.20 | 4020 | 35.40 |
7 | 13239 | 552 | 96 | 116.80 | 121.80 | 116.20 | 0.50 | 74.80 | 74.60 | 12.50 | 62.10 | 12.10 | 4150 | 36.40 |
8 | 12922 | 538 | 96 | 119.50 | 119.50 | 114.00 | 0.50 | 74.90 | 74.40 | 12.50 | 61.90 | 12.20 | 3740 | 33.00 |
9 | 14916 | 622 | 96 | 133.40 | 140.40 | 134.80 | 0.60 | 73.70 | 74.40 | 13.60 | 60.80 | 13.30 | 5837 | 52.90 |
10 | 14033 | 585 | 96 | 140.80 | 131.80 | 126.20 | 0.60 | 74.60 | 74.00 | 13.20 | 60.80 | 13.00 | 5215 | 46.90 |
11 | 15063 | 628 | 96 | 146.30 | 141.30 | 135.70 | 0.60 | 75.10 | 74.30 | 13.60 | 60.70 | 13.30 | 5821 | 52.20 |
12 | 14649 | 610 | 96 | 140.50 | 134.50 | 128.90 | 0.60 | 75.70 | 75.10 | 12.90 | 62.20 | 12.60 | 6026 | 53.00 |
13 | 14055 | 586 | 96 | 127.70 | 128.70 | 123.10 | 0.60 | 75.60 | 75.20 | 12.80 | 62.40 | 12.60 | 5674 | 49.70 |
14 | 13869 | 578 | 96 | 124.80 | 126.80 | 121.10 | 0.60 | 75.30 | 75.10 | 12.60 | 62.50 | 12.30 | 4823 | 42.10 |
15 | 14552 | 606 | 96 | 130.70 | 134.70 | 129.20 | 0.60 | 75.00 | 74.90 | 13.30 | 61.60 | 12.90 | 5075 | 44.90 |
16 | 14520 | 605 | 96 | 139.60 | 134.60 | 129.10 | 0.50 | 75.20 | 74.90 | 13.30 | 61.60 | 13.10 | 5241 | 46.50 |
17 | 13521 | 563 | 96 | 119.40 | 124.40 | 118.80 | 0.60 | 74.90 | 74.80 | 12.60 | 62.20 | 12.30 | 4894 | 43.00 |
18 | 14928 | 622 | 96 | 138.40 | 140.40 | 134.90 | 0.60 | 74.80 | 74.20 | 13.60 | 60.60 | 13.30 | 5928 | 53.50 |
19 | 14452 | 602 | 96 | 137.60 | 135.60 | 130.00 | 0.60 | 75.10 | 74.20 | 13.40 | 60.80 | 13.20 | 5943 | 53.50 |
20 | 15692 | 654 | 96 | 144.40 | 147.40 | 141.80 | 0.60 | 74.70 | 74.50 | 13.90 | 60.60 | 13.60 | 7091 | 64.20 |
21 | | | | 133.40 | 136.40 | 130.80 | 0.60 | 74.40 | 74.10 | 13.40 | 60.70 | 13.10 | | 47.30 |
22 | | | | 129.60 | 125.60 | 119.90 | 0.70 | 74.70 | 74.30 | 12.80 | 61.50 | 12.50 | | 40.50 |
23 | | | | 143.60 | 139.60 | 134.00 | 0.60 | 75.10 | 74.50 | 13.40 | 61.10 | 13.00 | | 50.50 |
24 | | | | 125.50 | 128.50 | 122.80 | 0.60 | 74.80 | 74.40 | 12.60 | 61.80 | 12.30 | | 45.80 |
25 | | | | 131.50 | 130.50 | 124.90 | 0.60 | 75.00 | 74.30 | 12.50 | 61.80 | 12.20 | | 44.20 |
26 | | | | 124.00 | 131.00 | 125.40 | 0.60 | 74.20 | 73.90 | 12.50 | 61.40 | 12.10 | | 42.20 |
27 | | | | 123.80 | 131.80 | 126.20 | 0.60 | 73.30 | 73.20 | 12.60 | 60.60 | 12.10 | | 36.30 |
28 | | | | | | | | | | | | | | |
29 | | | | | | | | | | | | | | |
30 | | | | | | | | | | | | | | |
31 | | | | | | | | | | | | | | |
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TOT | 282832 | | 1920 | | | | | | | | | | | |
AVG | 14142 | 589 | 96 | 130.44 | 131.14 | 125.55 | 0.59 | 74.91 | 74.56 | 12.96 | 61.60 | 12.64 | 5096 | 44.84 |
|
MAX | 15692 | | | 146.30 | 147.40 | 141.80 | 0.70 | 76.00 | 75.50 | 13.90 | 62.80 | 13.60 | 7091 | 64.20 |
MIN | 12467 | | | 113.60 | 113.60 | 108.00 | 0.50 | 73.30 | 73.20 | 12.50 | 60.60 | 12.10 | 2630 | 22.80 |