US Army Corps of Engineers

McNary Dam

Thursday August 6, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 127.70 51.70 71.30 338.17 264.27 73.90
2 127.90 51.70 71.50 338.08 264.37 73.71
3 128.50 51.80 72.00 338.10 264.36 73.74
4 128.30 51.50 72.10 338.10 264.35 73.75
5 128.60 51.70 72.10 338.12 264.37 73.75
6 131.20 54.30 72.20 338.15 264.44 73.71
7 128.30 51.30 72.30 338.17 264.46 73.71
8 128.40 51.30 72.40 338.19 264.46 73.73
9 128.50 51.40 72.40 338.20 264.45 73.75
10 128.70 51.60 72.50 338.21 264.44 73.77
11 129.40 52.20 72.40 338.21 264.38 73.83
12 129.00 52.00 72.30 338.27 264.48 73.79
13 129.10 52.20 72.20 338.26 264.42 73.84
14 129.20 52.50 72.00 338.24 264.42 73.82
15 128.50 51.80 72.00 338.24 264.38 73.86
16 129.40 52.70 72.00 338.21 264.42 73.79
17 128.80 52.30 71.80 338.15 264.43 73.72
18 128.20 51.70 71.70 338.13 264.42 73.71
19 127.70 51.40 71.60 338.08 264.27 73.81
20 127.50 51.30 71.50 338.01 264.23 73.78
21 128.40 52.40 71.30 337.98 264.19 73.79
22 128.00 52.10 71.20 337.94 264.14 73.80
23 128.00 52.20 71.10 337.93 264.18 73.75
24 127.30 52.20 70.40 337.92 264.10 73.82
AVG 128.53 51.97 71.85 338.13 264.35 73.78
MAX 131.20 54.30 72.50 338.27 264.48 73.90
MIN 127.30 51.30 70.40 337.92 264.10 73.71
BUILDING STRONG®