US Army Corps of Engineers

McNary Dam

Wednesday September 10, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 59.20 54.50 0.00 339.20 265.23 73.97
2 60.40 55.70 0.00 339.14 265.32 73.82
3 59.30 54.60 0.00 339.26 265.35 73.91
4 59.50 54.80 0.00 339.28 265.19 74.09
5 61.60 55.10 1.80 339.22 265.31 73.91
6 70.10 55.40 10.00 339.25 265.32 73.93
7 68.20 53.40 10.00 339.26 265.23 74.03
8 69.90 55.10 10.00 339.29 265.30 73.99
9 70.20 55.40 10.10 339.33 265.32 74.01
10 60.50 55.40 0.40 339.32 265.23 74.09
11 58.70 54.00 0.00 339.32 265.23 74.09
12 59.30 54.60 0.00 339.30 265.32 73.98
13 60.20 55.50 0.00 339.28 265.25 74.03
14 58.80 54.10 0.00 339.30 265.21 74.09
15 59.30 54.60 0.00 339.30 265.24 74.06
16 59.60 54.90 0.00 339.27 265.21 74.06
17 76.10 71.40 0.00 339.21 265.47 73.74
18 75.60 70.90 0.00 339.26 265.43 73.83
19 75.30 70.60 0.00 339.27 265.42 73.85
20 86.70 82.00 0.00 339.16 265.67 73.49
21 87.00 82.30 0.00 339.16 265.56 73.60
22 86.70 82.00 0.00 339.14 265.58 73.56
23 89.00 84.30 0.00 339.09 265.78 73.31
24 82.40 77.70 0.00 339.11 265.69 73.42
AVG 68.90 62.43 1.76 339.24 265.37 73.87
MAX 89.00 84.30 10.10 339.33 265.78 74.09
MIN 58.70 53.40 0.00 339.09 265.19 73.31