US Army Corps of Engineers

McNary Dam

Saturday December 6, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 117.40 112.70 0.00 338.04 265.94 72.10
2 115.80 111.10 0.00 338.02 266.32 71.70
3 116.30 111.60 0.00 337.98 265.88 72.10
4 114.60 109.90 0.00 338.03 265.52 72.51
5 112.20 107.50 0.00 338.13 265.57 72.56
6 112.20 107.50 0.00 338.21 265.83 72.38
7 115.00 110.30 0.00 338.21 265.73 72.48
8 132.70 128.00 0.00 338.21 265.86 72.35
9 137.00 132.30 0.00 338.20 265.86 72.34
10 138.80 134.10 0.00 338.18 265.93 72.25
11 136.60 131.90 0.00 338.07 265.93 72.14
12 136.90 132.20 0.00 338.14 265.72 72.42
13 134.00 129.30 0.00 338.24 265.68 72.56
14 135.10 130.40 0.00 338.18 266.07 72.11
15 136.40 131.70 0.00 338.21 265.88 72.33
16 137.40 132.70 0.00 338.32 265.78 72.54
17 134.50 129.80 0.00 338.37 265.58 72.79
18 135.90 131.20 0.00 338.35 265.57 72.78
19 135.70 131.00 0.00 338.36 265.48 72.88
20 135.10 130.40 0.00 338.43 265.57 72.86
21 135.60 130.90 0.00 338.39 265.60 72.79
22 135.10 130.40 0.00 338.40 265.63 72.77
23 135.20 130.50 0.00 338.40 265.50 72.90
24 133.70 129.00 0.00 338.46 265.21 73.25
AVG 129.55 124.85 0.00 338.23 265.73 72.50
MAX 138.80 134.10 0.00 338.46 266.32 73.25
MIN 112.20 107.50 0.00 337.98 265.21 71.70
BUILDING STRONG®