Wanapum Dam & Lake
May 2020
| 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 | 17256 | 719 | 18 | 151.90 | 148.10 | 126.80 | 19.30 | 569.83 | 569.39 | 492.37 | 77.02 |
| 2 | 15919 | 663 | 18 | 137.40 | 136.80 | 115.30 | 19.60 | 569.90 | 569.75 | 491.88 | 77.87 |
| 3 | 15234 | 635 | 18 | 130.30 | 131.10 | 109.30 | 19.80 | 569.79 | 570.01 | 491.49 | 78.52 |
| 4 | 17497 | 729 | 18 | 164.60 | 152.40 | 126.20 | 24.20 | 571.45 | 570.75 | 492.29 | 78.46 |
| 5 | 17786 | 741 | 18 | 176.70 | 178.30 | 130.10 | 46.20 | 571.23 | 571.23 | 493.94 | 77.29 |
| 6 | 16884 | 704 | 18 | 162.90 | 166.70 | 123.40 | 41.30 | 570.71 | 570.72 | 493.38 | 77.34 |
| 7 | 18503 | 771 | 18 | 170.30 | 165.60 | 134.80 | 28.90 | 571.34 | 571.05 | 493.24 | 77.81 |
| 8 | 18547 | 773 | 19 | 165.30 | 165.70 | 135.30 | 28.40 | 571.28 | 571.03 | 493.31 | 77.72 |
| 9 | 17119 | 713 | 19 | 188.30 | 188.20 | 125.70 | 60.50 | 571.30 | 571.18 | 494.07 | 77.11 |
| 10 | 16106 | 671 | 19 | 188.20 | 189.30 | 118.00 | 69.30 | 571.15 | 571.11 | 494.17 | 76.94 |
| 11 | 16638 | 693 | 18 | 197.10 | 198.20 | 122.60 | 73.60 | 571.00 | 571.12 | 494.63 | 76.49 |
| 12 | 17134 | 714 | 19 | 195.80 | 193.70 | 126.50 | 65.30 | 571.28 | 571.23 | 494.56 | 76.67 |
| 13 | 17284 | 720 | 19 | 201.70 | 203.80 | 128.70 | 73.10 | 570.99 | 571.18 | 495.05 | 76.13 |
| 14 | 17291 | 720 | 18 | 212.20 | 209.70 | 129.20 | 78.40 | 571.33 | 571.21 | 495.40 | 75.81 |
| 15 | 16673 | 695 | 20 | 213.10 | 214.00 | 125.00 | 87.00 | 571.21 | 571.19 | 495.52 | 75.67 |
| 16 | 16379 | 682 | 18 | 210.60 | 210.20 | 121.70 | 86.50 | 571.27 | 571.29 | 495.21 | 76.08 |
| 17 | 17177 | 716 | 18 | 208.30 | 209.60 | 128.40 | 79.20 | 571.10 | 571.22 | 495.29 | 75.93 |
| 18 | 16280 | 678 | 18 | 210.30 | 208.50 | 121.50 | 85.00 | 571.34 | 571.30 | 495.12 | 76.18 |
| 19 | 14936 | 622 | 18 | 216.80 | 217.80 | 111.40 | 104.40 | 571.20 | 571.22 | 495.44 | 75.78 |
| 20 | 16658 | 694 | 18 | 215.30 | 227.70 | 127.30 | 98.40 | 569.51 | 570.45 | 495.65 | 74.80 |
| 21 | 15704 | 654 | 19 | 197.80 | 188.80 | 116.80 | 70.00 | 570.75 | 570.75 | 494.10 | 76.65 |
| 22 | | | | 195.30 | 194.70 | 136.50 | 56.20 | 570.83 | 571.11 | 494.82 | 76.29 |
| 23 | | | | 200.20 | 198.00 | 127.00 | 69.00 | 571.13 | 571.05 | 494.99 | 76.06 |
| 24 | | | | 213.00 | 212.30 | 131.50 | 78.80 | 571.23 | 571.19 | 495.41 | 75.78 |
| 25 | | | | 203.90 | 205.10 | 117.40 | 85.70 | 571.06 | 571.21 | 494.99 | 76.22 |
| 26 | | | | 194.50 | 194.10 | 109.00 | 83.10 | 571.12 | 571.18 | 494.61 | 76.57 |
| 27 | | | | 216.90 | 216.70 | 134.60 | 80.10 | 571.15 | 571.21 | 495.65 | 75.56 |
| 28 | | | | 224.90 | 224.10 | 136.80 | 85.30 | 571.26 | 571.22 | 495.89 | 75.33 |
| 29 | | | | | | | | | | | |
| 30 | | | | | | | | | | | |
| 31 | | | | | | | | | | | |
|
| TOT | 353005 | | 386 | | | | | | | | |
| AVG | 16810 | 700 | 18 | 191.56 | 191.04 | 124.89 | 64.16 | 570.96 | 570.95 | 494.37 | 76.57 |
|
| MAX | 18547 | | | 224.90 | 227.70 | 136.80 | 104.40 | 571.45 | 571.30 | 495.89 | 78.52 |
| MIN | 14936 | | | 130.30 | 131.10 | 109.00 | 19.30 | 569.51 | 569.39 | 491.49 | 74.80 |