US Army Corps of Engineers

Rocky Reach Dam

Tuesday June 23, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 166.50 150.80 15.40 705.24 620.13 85.11
2 129.30 113.70 15.30 705.18 618.37 86.81
3 117.90 102.30 15.30 705.14 617.23 87.91
4 87.80 72.20 15.30 705.26 615.78 89.48
5 121.50 105.90 15.30 704.97 617.46 87.51
6 126.80 111.30 15.20 704.86 617.70 87.16
7 133.50 121.60 11.60 704.82 618.26 86.56
8 113.10 105.10 7.70 704.91 617.26 87.65
9 111.40 103.70 7.40 704.91 617.12 87.79
10 119.70 111.90 7.50 705.16 617.15 88.01
11 99.80 92.00 7.50 705.63 616.22 89.41
12 102.10 94.30 7.50 706.02 616.58 89.44
13 104.30 96.40 7.50 706.12 616.75 89.37
14 124.00 116.10 7.50 706.45 618.02 88.43
15 143.40 135.40 7.60 706.47 619.28 87.19
16
17
18
19
20
21
22
23
24
AVG 120.07 108.85 10.91 705.41 617.55 87.86
MAX 166.50 150.80 15.40 706.47 620.13 89.48
MIN 87.80 72.20 7.40 704.82 615.78 85.11