US Army Corps of Engineers

McNary Dam

Monday November 2, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 78.90 55.40 18.80 338.71 265.85 72.86
2 72.30 54.30 13.30 338.68 265.94 72.74
3 79.50 56.10 18.70 338.65 265.97 72.68
4 78.00 54.50 18.80 338.74 265.91 72.83
5 79.50 56.30 18.50 338.76 266.18 72.58
6 108.80 94.60 9.40 338.71 266.83 71.88
7 111.50 97.30 9.50 338.93 266.68 72.25
8 109.00 94.50 9.70 339.06 266.66 72.40
9 109.10 94.50 9.90 339.16 266.64 72.52
10 111.30 96.60 10.00 339.31 266.46 72.85
11 109.30 94.40 10.10 339.46 266.47 72.99
12 108.90 94.10 10.20 339.44 266.72 72.72
13 110.20 95.30 10.20 339.40 266.77 72.63
14 109.80 94.90 10.20 339.45 266.70 72.75
15 109.80 94.90 10.20 339.37 266.61 72.76
16 110.60 95.70 10.10 339.37 266.53 72.84
17 109.80 95.10 10.10 339.26 266.58 72.68
18 110.30 95.60 10.00 339.22 266.76 72.46
19 110.80 96.20 9.90 339.14 266.72 72.42
20 111.80 97.30 9.80 339.06 266.61 72.45
21 111.10 96.70 9.70 338.94 266.54 72.40
22 110.40 96.00 9.70 338.88 266.55 72.33
23 109.20 94.90 9.60 338.85 266.44 72.41
24 81.00 66.70 9.60 338.83 265.90 72.93
AVG 102.12 85.91 11.50 339.06 266.46 72.60
MAX 111.80 97.30 18.80 339.46 266.83 72.99
MIN 72.30 54.30 9.40 338.65 265.85 71.88