US Army Corps of Engineers

McNary Dam

Monday December 1, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 93.60 88.90 0.00 339.04 264.26 74.78
2 91.00 86.30 0.00 339.08 264.29 74.79
3 89.10 84.40 0.00 339.24 264.33 74.91
4 90.60 85.90 0.00 339.24 264.71 74.53
5 124.20 119.50 0.00 339.32 265.48 73.84
6 131.90 127.20 0.00 339.43 265.49 73.94
7 131.50 126.80 0.00 339.38 265.24 74.14
8 130.70 126.00 0.00 339.37 265.26 74.11
9 131.60 126.90 0.00 339.46 265.36 74.10
10 132.00 127.30 0.00 339.57 265.33 74.24
11 132.30 127.60 0.00 339.44 265.35 74.09
12 132.30 127.60 0.00 339.47 265.39 74.08
13 132.90 128.20 0.00 339.41 265.42 73.99
14 132.30 127.60 0.00 339.29 265.42 73.87
15 133.60 128.90 0.00 339.16 265.40 73.76
16 132.50 127.80 0.00 339.15 265.49 73.66
17 132.60 127.90 0.00 339.11 265.52 73.59
18 132.70 128.00 0.00 339.05 265.52 73.53
19 132.50 127.80 0.00 339.13 265.56 73.57
20 134.00 129.30 0.00 339.16 265.58 73.58
21 134.10 129.40 0.00 339.13 265.54 73.59
22 134.10 129.40 0.00 339.15 265.49 73.66
23 114.30 109.60 0.00 339.23 265.13 74.10
24 113.50 108.80 0.00 339.21 265.17 74.04
AVG 123.75 119.05 0.00 339.26 265.24 74.02
MAX 134.10 129.40 0.00 339.57 265.58 74.91
MIN 89.10 84.40 0.00 339.04 264.26 73.53