Bonneville Dam & Lake on Columbia River
May 2022
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 | 3278 | 137 | 96 | 169.20 | 172.20 | 31.40 | 128.40 | 74.40 | 74.60 | 15.10 | 59.50 | 15.20 | 3210 | 30.50 |
2 | 3285 | 137 | 96 | 157.70 | 161.70 | 31.40 | 117.80 | 74.10 | 74.10 | 14.60 | 59.50 | 14.70 | 3218 | 30.50 |
3 | 3321 | 138 | 96 | 171.70 | 160.70 | 31.50 | 116.80 | 75.30 | 74.50 | 14.40 | 60.10 | 14.40 | 3254 | 30.60 |
4 | 3317 | 138 | 96 | 169.30 | 170.30 | 31.50 | 126.40 | 75.10 | 75.00 | 14.90 | 60.10 | 15.00 | 3250 | 30.60 |
5 | 3614 | 151 | 96 | 179.00 | 182.00 | 34.80 | 134.90 | 74.80 | 74.80 | 15.60 | 59.20 | 15.70 | 3547 | 33.90 |
6 | 5391 | 225 | 96 | 217.10 | 214.10 | 53.40 | 148.20 | 75.20 | 75.00 | 17.70 | 57.30 | 17.70 | 5324 | 52.50 |
7 | 7063 | 294 | 96 | 225.60 | 232.60 | 72.00 | 148.30 | 74.40 | 75.00 | 19.10 | 55.90 | 19.10 | 7012 | 71.30 |
8 | 8726 | 364 | 96 | 248.30 | 253.30 | 92.90 | 148.00 | 74.00 | 74.10 | 20.60 | 53.50 | 20.50 | 8456 | 89.90 |
9 | 8173 | 341 | 96 | 247.70 | 247.70 | 87.30 | 148.00 | 73.90 | 73.80 | 20.40 | 53.40 | 20.40 | 7889 | 84.10 |
10 | 6763 | 282 | 96 | 232.00 | 232.00 | 71.60 | 148.10 | 73.90 | 73.40 | 19.50 | 53.90 | 19.50 | 6675 | 70.40 |
11 | 8730 | 364 | 96 | 255.80 | 253.80 | 93.20 | 148.20 | 74.10 | 73.80 | 20.30 | 53.50 | 20.20 | 7438 | 79.30 |
12 | 8593 | 358 | 96 | 250.60 | 251.60 | 90.90 | 148.40 | 74.00 | 74.20 | 20.30 | 53.90 | 20.30 | 7697 | 81.30 |
13 | 8545 | 356 | 96 | 249.70 | 251.70 | 91.00 | 148.30 | 74.10 | 73.70 | 20.20 | 53.50 | 20.20 | 7722 | 82.20 |
14 | 9311 | 388 | 96 | 272.20 | 259.20 | 98.30 | 148.50 | 75.10 | 74.50 | 20.70 | 53.80 | 20.60 | 8144 | 86.20 |
15 | 9182 | 383 | 96 | 259.30 | 257.30 | 96.10 | 148.80 | 75.30 | 75.10 | 20.90 | 54.20 | 20.80 | 8000 | 83.80 |
16 | 8362 | 348 | 96 | 245.90 | 247.90 | 86.50 | 148.90 | 75.10 | 75.10 | 20.60 | 54.50 | 20.50 | 7111 | 73.80 |
17 | 9562 | 398 | 96 | 257.20 | 262.20 | 100.90 | 148.90 | 74.50 | 74.40 | 21.20 | 53.20 | 21.00 | 6907 | 73.40 |
18 | 10662 | 444 | 96 | 268.60 | 276.60 | 115.10 | 149.10 | 73.80 | 73.90 | 22.00 | 51.90 | 21.70 | 6406 | 69.90 |
19 | 10332 | 430 | 96 | 266.60 | 275.60 | 114.20 | 149.00 | 72.90 | 73.00 | 21.90 | 51.10 | 21.60 | 7314 | 81.40 |
20 | 11978 | 499 | 96 | 307.20 | 297.20 | 135.70 | 149.00 | 73.80 | 72.60 | 22.70 | 49.90 | 22.30 | 7444 | 85.10 |
21 | | | | 295.70 | 290.70 | 128.90 | 149.40 | 74.20 | 74.30 | 22.30 | 52.00 | 22.00 | | 83.60 |
22 | | | | 274.30 | 284.30 | 122.20 | 149.80 | 73.20 | 73.70 | 22.00 | 51.70 | 21.70 | | 82.60 |
23 | | | | 274.60 | 260.60 | 98.50 | 149.70 | 74.80 | 74.40 | 20.80 | 53.60 | 20.60 | | 74.80 |
24 | | | | 257.60 | 256.60 | 94.10 | 150.10 | 74.90 | 74.90 | 20.20 | 54.70 | 20.20 | | 70.50 |
25 | | | | 274.00 | 280.00 | 117.80 | 149.90 | 74.30 | 73.90 | 21.40 | 52.50 | 21.20 | | 73.30 |
26 | | | | 280.30 | 285.30 | 123.40 | 149.50 | 73.70 | 73.90 | 21.80 | 52.10 | 21.60 | | 81.70 |
27 | | | | 296.10 | 298.10 | 136.50 | 149.20 | 73.50 | 73.10 | 22.60 | 50.50 | 22.20 | | 82.80 |
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31 | | | | | | | | | | | | | | |
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TOT | 148188 | | 1920 | | | | | | | | | | | |
AVG | 7409 | 309 | 96 | 244.57 | 245.01 | 88.19 | 144.43 | 74.31 | 74.18 | 19.77 | 54.41 | 19.66 | 6301 | 69.26 |
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MAX | 11978 | | | 307.20 | 298.10 | 136.50 | 150.10 | 75.30 | 75.10 | 22.70 | 60.10 | 22.30 | 8456 | 89.90 |
MIN | 3278 | | | 157.70 | 160.70 | 31.40 | 116.80 | 72.90 | 72.60 | 14.40 | 49.90 | 14.40 | 3210 | 30.50 |