US Army Corps of Engineers

McNary Dam

Friday October 30, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 70.50 65.80 0.00 338.20 265.91 72.29
2 70.80 66.10 0.00 338.14 265.93 72.21
3 70.70 66.00 0.00 338.17 265.91 72.26
4 69.50 64.80 0.00 338.22 265.91 72.31
5 71.80 65.30 1.90 338.22 266.09 72.13
6 78.70 65.00 8.90 338.26 266.07 72.19
7 79.70 66.00 9.00 338.32 266.09 72.23
8 98.10 84.40 9.00 338.35 266.38 71.97
9 100.00 86.30 9.10 338.43 266.35 72.08
10 94.80 87.80 2.30 338.54 266.21 72.33
11 91.20 86.50 0.00 338.55 266.25 72.30
12 91.10 86.40 0.00 338.53 266.21 72.32
13 69.60 64.90 0.00 338.62 265.78 72.84
14 68.90 64.20 0.00 338.61 265.99 72.62
15 69.00 64.30 0.00 338.65 266.03 72.62
16 69.80 65.10 0.00 338.66 266.01 72.65
17 70.60 65.90 0.00 338.68 265.98 72.70
18 68.40 63.70 0.00 338.69 265.94 72.75
19 70.00 65.30 0.00 338.70 265.88 72.82
20 69.60 64.90 0.00 338.69 265.90 72.79
21 70.50 65.80 0.00 338.72 265.99 72.73
22 70.90 66.20 0.00 338.63 266.01 72.62
23 81.00 76.30 0.00 338.57 266.23 72.34
24 82.40 77.70 0.00 338.57 266.13 72.44
AVG 76.98 70.61 1.67 338.49 266.05 72.44
MAX 100.00 87.80 9.10 338.72 266.38 72.84
MIN 68.40 63.70 0.00 338.14 265.78 71.97
BUILDING STRONG®