US Army Corps of Engineers

Rocky Reach Dam & Lake

June 2022

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 23423 976 0 156.45 166.90 151.89 14.69 704.54 705.73 620.44 85.29
2 20989 875 0 155.43 148.54 132.95 15.28 706.47 705.56 619.21 86.35
3 23866 994 0 174.68 172.29 153.51 18.47 706.52 706.61 621.10 85.51
4 22751 948 0 158.47 160.93 145.05 15.53 706.25 706.07 620.31 85.76
5 20613 859 0 187.24 182.82 131.90 50.62 706.67 706.67 621.86 84.81
6 22088 920 0 169.83 170.65 143.50 26.83 706.77 706.56 620.96 85.60
7 21215 884 0 209.95 142.70 706.77 706.71 623.30 83.41
8 20696 862 0 212.39 212.54 139.28 72.96 706.72 706.68 623.49 83.19
9 20902 871 0 230.08 228.10 143.02 84.78 706.78 706.71 624.42 82.29
10 20944 873 0 229.23 229.50 144.05 85.15 706.67 706.71 624.61 82.10
11 21165 882 0 223.37 223.93 145.63 78.00 706.66 706.69 624.33 82.36
12 21308 888 0 196.42 198.94 142.43 56.20 706.65 706.69 622.81 83.88
13 18800 783 0 148.38 153.01 121.48 31.23 706.69 705.83 619.60 86.23
14 21405 892 0 228.46 221.18 143.80 77.08 706.78 706.70 624.05 82.65
15 21779 907 0 253.31 251.57 149.09 102.18 706.45 706.64 626.27 80.37
16 22733 947 0 258.80 257.72 156.86 100.56 706.56 706.60 626.68 79.92
17 22423 934 0 261.78 261.83 154.15 107.37 706.47 706.56 626.89 79.67
18 21866 911 0 259.95 259.70 148.85 110.55 706.58 706.61 626.69 79.92
19 21355 890 0 263.94 263.15 147.10 115.75 706.69 706.62 626.74 79.88
20 20810 867 0 271.47 271.10 144.23 126.58 706.60 706.59 627.21 79.38
21 20618 859 0 267.96 268.25 142.76 125.19 706.57 706.62 626.91 79.71
22 20433 851 0 260.79 261.48 140.55 120.63 706.62 706.57 626.66 79.91
23 20897 871 0 268.94 268.26 143.55 124.41 706.58 706.61 627.21 79.40
24 21493 896 0 274.21 273.66 147.72 125.65 706.63 706.60 627.77 78.83
25 283.97 282.25 146.39 135.56 706.76 706.64 628.16 78.48
26 278.13 279.28 145.10 133.88 706.58 706.59 627.94 78.65
27 282.19 281.52 153.90 127.32 706.70 706.60 628.29 78.31
28 271.51 271.69 146.91 124.48 706.86 706.61 627.55 79.06
29 249.36 252.54 148.94 103.30 706.60 706.58 626.24 80.34
30 233.35 234.33 159.09 74.94 706.81 706.60 625.12 81.48
TOT514572  0        
AVG 21440 893 0 231.38 230.59 145.21 85.70 706.57 706.52 624.76 81.76
MAX 23866   283.97 282.25 159.09 135.56 706.86 706.71 628.29 86.35
MIN 18800   148.38 148.54 121.48 14.69 704.54 705.56 619.21 78.31