US Army Corps of Engineers

Rocky Reach Dam & Lake

May 2024

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 10431 435 0 60.01 62.01 61.70 0.00 705.02 705.28 614.16 91.12
2 13091 545 0 78.53 78.30 77.99 0.01 704.82 705.26 615.16 90.10
3 10833 451 0 65.72 64.45 64.15 0.00 705.28 705.14 614.33 90.81
4 13727 572 0 77.79 82.49 82.16 0.00 704.03 705.27 615.35 89.92
5 5157 215 0 30.31 31.00 30.71 0.00 704.50 704.00 612.36 91.64
6 11983 499 0 77.25 71.85 71.53 0.03 705.21 704.77 614.59 90.18
7 10402 433 0 61.26 61.86 61.55 0.00 705.19 705.06 614.09 90.97
8 14432 601 0 88.08 85.98 85.68 0.00 705.31 705.23 615.36 89.87
9 13614 567 0 80.53 81.33 81.02 0.00 705.22 705.36 614.97 90.39
10 11225 468 0 67.06 67.06 66.76 0.00 705.42 704.66 613.86 90.80
11 16037 668 0 96.58 95.98 95.65 0.00 705.06 705.70 616.06 89.64
12 12667 528 0 75.86 76.36 76.05 0.00 705.35 705.19 614.98 90.21
13 14675 611 0 88.15 88.65 88.33 0.00 705.03 705.30 615.85 89.45
14 16221 676 0 101.90 99.30 99.00 0.00 705.43 705.03 616.59 88.44
15 19354 806 0 120.22 119.32 118.98 0.02 705.24 705.40 618.09 87.31
16 16225 676 0 102.82 100.82 97.57 3.07 705.99 705.69 616.64 89.05
17 17984 749 0 115.13 114.33 110.95 3.16 705.86 705.81 617.65 88.16
18 20450 852 0 129.88 128.98 128.62 0.00 705.79 706.03 618.77 87.26
19 17935 747 0 110.49 112.89 112.57 0.00 705.63 705.78 617.55 88.23
20 20914 871 0 136.07 132.39 132.08 0.00 706.04 705.52 618.90 86.62
21 20804 867 0 127.72 131.86 131.55 0.00 705.12 705.37 618.83 86.54
22 19684 820 0 124.37 125.01 124.70 0.01 705.06 705.02 618.36 86.66
23 20621 859 0 125.42 129.13 128.83 0.00 704.19 705.41 618.72 86.69
24 17570 732 0 110.20 107.29 106.99 0.00 705.26 705.00 617.09 87.91
25 15179 632 0 88.96 91.16 90.82 0.00 705.13 705.88 615.93 89.95
26 14463 603 0 86.89 87.69 87.39 0.00 704.99 704.98 615.66 89.32
27 20796 866 0 132.59 129.81 129.51 0.00 704.78 705.20 618.67 86.53
28 18543 773 0 113.83 116.44 116.14 0.00 704.49 704.78 617.64 87.14
29 15913 663 0 95.16 96.95 96.65 0.00 704.47 704.78 616.18 88.60
30 20252 844 0 128.36 126.83 126.53 0.00 704.20 705.13 618.40 86.73
31 19270 803 0 122.47 121.43 121.12 0.00 704.56 705.01 618.15 86.86
TOT490452  0        
AVG 15821 659 0 97.41 97.39 96.88 0.20 705.09 705.23 616.42 88.81
MAX 20914   136.07 132.39 132.08 3.16 706.04 706.03 618.90 91.64
MIN 5157   30.31 31.00 30.71 0.00 704.03 704.00 612.36 86.53
BUILDING STRONG®