US Army Corps of Engineers

McNary Dam

Friday December 5, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 110.40 105.70 0.00 337.96 265.55 72.41
2 112.70 108.00 0.00 337.94 265.50 72.44
3 111.10 106.40 0.00 337.92 265.53 72.39
4 112.30 107.60 0.00 337.86 265.28 72.58
5 113.70 109.00 0.00 337.86 265.27 72.59
6 133.90 129.20 0.00 337.73 265.69 72.04
7 135.40 130.70 0.00 337.72 265.73 71.99
8 134.40 129.70 0.00 337.89 265.85 72.04
9 133.30 128.60 0.00 337.84 265.79 72.05
10 134.50 129.80 0.00 337.89 265.67 72.22
11 135.40 130.70 0.00 337.91 265.67 72.24
12 134.50 129.80 0.00 337.98 265.74 72.24
13 134.40 129.70 0.00 338.00 265.88 72.12
14 135.30 130.60 0.00 337.86 265.91 71.95
15 138.80 134.10 0.00 337.80 265.85 71.95
16 134.20 129.50 0.00 337.95 265.68 72.27
17 132.60 127.90 0.00 338.02 265.94 72.08
18 133.40 128.70 0.00 337.98 266.10 71.88
19 134.00 129.30 0.00 338.07 266.08 71.99
20 134.30 129.60 0.00 338.14 266.06 72.08
21 135.40 130.70 0.00 338.06 266.07 71.99
22 135.10 130.40 0.00 337.97 266.35 71.62
23 135.80 131.10 0.00 337.86 265.98 71.88
24 135.40 130.70 0.00 337.82 266.33 71.49
AVG 130.01 125.31 0.00 337.92 265.81 72.11
MAX 138.80 134.10 0.00 338.14 266.35 72.59
MIN 110.40 105.70 0.00 337.72 265.27 71.49