US Army Corps of Engineers

McNary Dam

Sunday December 7, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 101.30 96.60 0.00 338.54 264.57 73.97
2 99.80 95.10 0.00 338.47 264.77 73.70
3 102.20 97.50 0.00 338.53 265.03 73.50
4 132.10 127.40 0.00 338.57 265.51 73.06
5 134.10 129.40 0.00 338.65 265.43 73.22
6 134.00 129.30 0.00 338.61 265.46 73.15
7 133.90 129.20 0.00 338.48 265.27 73.21
8 133.00 128.30 0.00 338.58 265.31 73.27
9 133.90 129.20 0.00 338.65 265.28 73.37
10 134.40 129.70 0.00 338.65 265.41 73.24
11 133.10 128.40 0.00 338.68 265.43 73.25
12 132.80 128.10 0.00 338.75 265.39 73.36
13 132.80 128.10 0.00 338.75 265.34 73.41
14 132.70 128.00 0.00 338.63 265.30 73.33
15 132.80 128.10 0.00 338.65 265.35 73.30
16 133.00 128.30 0.00 338.54 265.53 73.01
17 133.40 128.70 0.00 338.48 265.62 72.86
18 133.60 128.90 0.00 338.68 265.57 73.11
19 132.70 128.00 0.00 338.74 265.43 73.31
20 135.00 130.30 0.00 338.57 265.38 73.19
21 135.00 130.30 0.00 338.63 265.41 73.22
22 135.40 130.70 0.00 338.65 265.40 73.25
23 136.30 131.60 0.00 338.69 265.56 73.13
24 135.80 131.10 0.00 338.63 265.35 73.28
AVG 129.71 125.01 0.00 338.62 265.34 73.28
MAX 136.30 131.60 0.00 338.75 265.62 73.97
MIN 99.80 95.10 0.00 338.47 264.57 72.86