US Army Corps of Engineers

McNary Dam

Thursday December 4, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 111.60 106.90 0.00 337.84 265.63 72.21
2 108.30 103.60 0.00 337.79 265.58 72.21
3 106.70 102.00 0.00 337.82 265.58 72.24
4 107.30 102.60 0.00 337.86 265.52 72.34
5 106.10 101.40 0.00 337.82 265.57 72.25
6 125.70 121.00 0.00 337.78 265.93 71.85
7 126.60 121.90 0.00 337.86 265.89 71.97
8 127.30 122.60 0.00 337.98 265.75 72.23
9 127.40 122.70 0.00 337.85 265.84 72.01
10 128.90 124.20 0.00 337.83 265.79 72.04
11 129.40 124.70 0.00 337.89 265.81 72.08
12 129.90 125.20 0.00 337.91 265.82 72.09
13 110.10 105.40 0.00 338.01 265.44 72.57
14 104.40 99.70 0.00 338.01 265.41 72.60
15 107.20 102.50 0.00 338.02 265.56 72.46
16 128.80 124.10 0.00 337.95 265.83 72.12
17 129.00 124.30 0.00 338.00 265.88 72.12
18 130.30 125.60 0.00 337.94 265.96 71.98
19 130.60 125.90 0.00 337.93 265.90 72.03
20 130.70 126.00 0.00 337.91 265.73 72.18
21 131.00 126.30 0.00 337.90 265.71 72.19
22 108.00 103.30 0.00 338.07 265.05 73.02
23 78.00 73.30 0.00 338.10 264.62 73.48
24 76.90 72.20 0.00 337.96 264.93 73.03
AVG 116.68 111.98 0.00 337.92 265.61 72.30
MAX 131.00 126.30 0.00 338.10 265.96 73.48
MIN 76.90 72.20 0.00 337.78 264.62 71.85