US Army Corps of Engineers

Rocky Reach Dam

Sunday February 1, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 98.80 98.80 0.00 704.79 616.32 88.47
2 90.40 90.40 0.00 705.16 615.72 89.44
3 94.20 94.20 0.00 705.50 616.42 89.08
4 134.30 134.30 0.00 705.50 618.68 86.82
5 146.20 146.20 0.00 705.63 619.19 86.44
6 149.50 149.50 0.00 705.36 619.44 85.92
7 144.70 144.70 0.00 705.22 619.14 86.08
8 128.60 128.60 0.00 705.31 617.77 87.54
9 99.80 99.80 0.00 705.57 616.41 89.16
10 99.20 99.20 0.00 705.55 616.28 89.27
11 101.70 101.70 0.00 705.53 616.13 89.40
12 98.90 98.90 0.00 705.38 615.88 89.50
13 71.30 71.30 0.00 705.58 614.59 90.99
14 54.80 54.80 0.00 706.00 613.68 92.32
15 72.00 72.00 0.00 705.59 614.06 91.53
16 60.10 60.10 0.00 705.08 614.37 90.71
17 82.80 82.80 0.00 704.87 615.15 89.72
18 70.50 70.50 0.00 705.73 614.35 91.38
19 81.70 81.70 0.00 706.01 615.31 90.70
20 88.70 88.70 0.00 706.08 615.70 90.38
21 150.50 150.50 0.00 705.66 619.77 85.89
22 156.50 156.50 0.00 705.76 619.85 85.91
23 145.30 145.30 0.00 705.77 619.42 86.35
24 140.10 140.10 0.00 705.80 619.09 86.71
AVG 106.69 106.69 0.00 705.52 616.78 88.74
MAX 156.50 156.50 0.00 706.08 619.85 92.32
MIN 54.80 54.80 0.00 704.79 613.68 85.89