US Army Corps of Engineers

Rocky Reach Dam & Lake

May 2019

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 18234 760 0 110.83 113.83 111.74 1.79 706.19 706.53 617.09 89.44
2 17215 717 0 104.01 105.21 104.91 0.00 706.06 706.09 616.63 89.46
3 16786 699 0 103.71 102.21 101.92 0.00 706.55 705.96 616.54 89.42
4 16095 671 0 99.00 98.40 97.80 0.30 706.73 706.26 616.32 89.94
5 14659 611 0 88.77 91.07 87.54 3.24 706.31 706.36 615.75 90.61
6 18053 752 0 113.50 111.80 111.50 0.00 706.28 706.22 617.07 89.15
7 15383 641 0 91.77 93.27 92.98 0.00 706.32 706.10 615.99 90.11
8 16750 698 0 99.67 102.97 102.68 0.00 705.41 705.90 616.65 89.25
9 17097 712 0 123.57 115.47 106.08 9.10 707.04 706.21 617.45 88.76
10 19918 830 0 148.83 146.55 127.38 18.87 706.84 706.79 619.39 87.40
11 20242 843 0 125.47 129.76 125.56 3.90 706.25 706.21 618.41 87.80
12 19091 795 0 121.21 119.31 116.70 2.31 706.87 706.55 617.77 88.78
13 19866 828 0 124.49 124.69 123.07 1.33 706.73 706.67 618.19 88.48
14 21982 916 0 141.32 139.82 138.78 0.75 706.67 706.68 619.04 87.64
15 21792 908 0 160.86 158.57 139.78 18.49 706.76 706.74 620.24 86.50
16 20759 865 0 168.51 168.38 133.56 34.52 706.60 706.76 620.83 85.93
17 18323 763 0 140.10 141.91 114.34 27.28 706.77 706.69 619.13 87.56
18 21319 888 0 173.18 169.35 137.57 31.49 707.06 706.82 620.89 85.93
19 21859 911 0 163.63 166.31 141.40 24.61 706.55 706.75 620.70 86.05
20 21483 895 0 155.40 154.85 137.24 17.30 706.86 706.72 619.97 86.75
21 22012 917 0 165.37 165.14 142.61 22.24 706.71 706.71 620.63 86.08
22 21797 908 0 140.34 142.61 138.53 3.78 706.75 706.62 619.16 87.46
23 21329 889 0 134.70 136.25 133.27 2.68 706.45 706.48 618.72 87.76
24 20192 841 0 123.28 124.92 124.62 0.00 706.42 706.37 618.07 88.30
25 20463 853 0 126.67 127.67 127.38 0.00 706.09 706.10 618.22 87.88
26 21402 892 0 141.56 137.85 134.48 3.07 706.67 706.51 618.84 87.67
27 22034 918 0 143.40 144.13 139.80 4.03 706.36 706.65 619.27 87.38
28 21393 891 0 133.94 136.06 135.78 0.00 706.12 705.81 618.78 87.03
29 21712 905 0 141.12 138.64 138.35 0.00 706.57 706.02 618.95 87.07
30 22084 920 0 166.96 163.23 143.93 19.00 706.93 706.79 620.48 86.31
31 22099 921 0 165.82 166.32 144.67 21.35 706.69 706.77 620.67 86.10
TOT613423  0        
AVG 19788 824 0 133.58 133.44 124.39 8.76 706.54 706.45 618.58 87.87
MAX 22099   173.18 169.35 144.67 34.52 707.06 706.82 620.89 90.61
MIN 14659   88.77 91.07 87.54 0.00 705.41 705.81 615.75 85.93