US Army Corps of Engineers

McNary Dam

Friday January 30, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 165.10 152.50 9.70 339.06 266.83 72.23
2 165.40 152.90 9.70 338.87 266.87 72.00
3 165.70 153.20 9.60 338.88 266.86 72.02
4 165.70 153.30 9.60 338.82 266.91 71.91
5 165.70 153.40 9.50 338.77 267.06 71.71
6 166.00 153.70 9.50 338.74 266.85 71.89
7 165.90 153.70 9.40 338.63 266.72 71.91
8 165.90 153.10 10.00 338.73 266.90 71.83
9 166.00 153.00 10.10 338.72 266.88 71.84
10 166.40 153.50 10.10 338.75 266.78 71.97
11 166.70 153.80 10.10 338.70 266.89 71.81
12 166.60 153.70 10.10 338.79 266.91 71.88
13 166.50 153.60 10.10 338.69 266.84 71.85
14 166.50 153.60 10.10 338.64 266.84 71.80
15 166.20 153.30 10.10 338.71 266.95 71.76
16 166.50 153.60 10.10 338.59 266.84 71.75
17 166.30 153.50 10.00 338.65 266.88 71.77
18 165.90 153.70 9.40 338.63 266.80 71.83
19 165.60 153.50 9.40 338.61 266.89 71.72
20 166.10 154.00 9.40 338.68 266.79 71.89
21 166.30 154.20 9.30 338.58 266.93 71.65
22 166.10 153.90 9.40 338.62 266.89 71.73
23 165.60 153.40 9.40 338.61 266.79 71.82
24 165.90 153.70 9.30 338.67 266.91 71.76
AVG 166.03 153.49 9.72 338.71 266.87 71.85
MAX 166.70 154.20 10.10 339.06 267.06 72.23
MIN 165.10 152.50 9.30 338.58 266.72 71.65
BUILDING STRONG®