US Army Corps of Engineers

Rocky Reach Dam

Thursday June 4, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 190.80 169.40 16.60 706.19 622.42 83.77
2 188.20 166.70 16.50 706.02 622.30 83.72
3 184.40 162.90 16.50 705.94 622.07 83.87
4 170.50 149.00 16.50 705.86 621.42 84.44
5 168.40 146.90 16.50 706.06 621.00 85.06
6 175.30 153.80 16.50 706.14 621.61 84.53
7 172.90 157.30 15.20 706.07 621.42 84.65
8 162.60 152.30 10.00 706.33 620.83 85.50
9 179.00 168.80 9.90 706.13 621.51 84.62
10 168.00 157.80 9.90 706.22 621.21 85.01
11 161.30 151.10 9.90 706.41 620.96 85.45
12 181.60 171.40 9.90 706.51 621.78 84.73
13 181.60 171.40 9.90 706.36 622.17 84.19
14 177.90 167.70 9.90 706.29 621.58 84.71
15 174.00 163.80 9.90 706.39 621.26 85.13
16 177.70 167.50 9.90 706.29 621.52 84.77
17 177.90 167.60 9.90 706.31 621.53 84.78
18 182.40 166.70 15.30 706.05 622.54 83.51
19 198.20 182.60 15.30 705.70 622.86 82.84
20 189.30 173.80 15.20 705.58 622.46 83.12
21 198.60 177.50 20.80 705.33 622.78 82.55
22 201.00 179.60 21.10 705.15 622.87 82.28
23 194.60 173.20 21.10 704.98 622.73 82.25
24 185.50 164.20 21.00 704.92 622.15 82.77
AVG 180.90 165.12 14.30 705.97 621.87 84.09
MAX 201.00 182.60 21.10 706.51 622.87 85.50
MIN 161.30 146.90 9.90 704.92 620.83 82.25