US Army Corps of Engineers

McNary Dam

Saturday June 13, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 171.30 51.30115.20 338.49 265.06 73.43
2 170.50 50.40115.30 338.46 264.97 73.49
3 170.60 50.50115.50 338.53 265.05 73.48
4 171.00 50.80115.50 338.54 265.02 73.52
5 171.10 50.90115.50 338.57 265.05 73.52
6 171.00 50.90115.40 338.57 265.06 73.51
7 170.70 50.40115.60 338.63 265.01 73.62
8 170.90 50.50115.70 338.63 265.04 73.59
9 171.20 50.70115.80 338.69 265.04 73.65
10 171.50 50.80116.00 338.73 265.03 73.70
11 172.00 51.10116.20 338.79 265.08 73.71
12 174.60 51.00118.80 338.77 265.22 73.55
13 190.80 51.40134.80 338.75 265.33 73.42
14 190.50 51.00134.90 338.76 265.36 73.40
15 190.70 51.20134.80 338.74 265.35 73.39
16 190.60 51.30134.60 338.69 265.32 73.37
17 190.50 51.00134.80 338.64 265.38 73.26
18 191.30 51.90134.70 338.60 265.46 73.14
19 190.00 50.80134.50 338.52 265.33 73.19
20 189.70 50.80134.20 338.45 265.34 73.11
21 189.50 50.90133.90 338.40 265.39 73.01
22 190.10 51.50133.90 338.35 265.44 72.91
23
24
AVG 180.00 50.96124.35 338.60 265.20 73.41
MAX 191.30 51.90134.90 338.79 265.46 73.71
MIN 170.50 50.40115.20 338.35 264.97 72.91