US Army Corps of Engineers

McNary Dam

Friday September 5, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 61.70 57.00 0.00 338.88 265.59 73.29
2 60.30 55.60 0.00 338.87 265.60 73.27
3 61.40 56.70 0.00 339.02 265.75 73.27
4 61.60 56.90 0.00 339.18 265.55 73.63
5 63.40 56.30 2.40 339.25 265.74 73.51
6 80.40 65.60 10.00 339.25 266.02 73.23
7 98.40 83.60 10.10 339.42 266.22 73.20
8 98.60 83.70 10.20 339.47 266.16 73.31
9 98.60 83.60 10.20 339.47 266.11 73.36
10 89.00 83.90 0.40 339.52 265.98 73.54
11 89.10 84.40 0.00 339.48 266.01 73.47
12 88.00 83.30 0.00 339.45 266.18 73.27
13 88.60 83.90 0.00 339.42 266.17 73.25
14 88.10 83.40 0.00 339.45 266.11 73.34
15 89.00 84.30 0.00 339.36 266.15 73.21
16 105.60 100.90 0.00 339.35 266.44 72.91
17 108.90 104.20 0.00 339.33 266.55 72.78
18 106.40 101.70 0.00 339.29 266.48 72.81
19 108.00 103.30 0.00 339.28 266.44 72.84
20 108.40 103.70 0.00 339.24 266.33 72.91
21 97.40 92.70 0.00 339.29 266.01 73.28
22 81.50 76.80 0.00 339.29 265.89 73.40
23 79.70 75.00 0.00 339.30 265.95 73.35
24 60.50 55.80 0.00 339.37 265.76 73.61
AVG 86.36 79.85 1.80 339.30 266.05 73.25
MAX 108.90 104.20 10.20 339.52 266.55 73.63
MIN 60.30 55.60 0.00 338.87 265.55 72.78
BUILDING STRONG®