US Army Corps of Engineers

McNary Dam

Sunday September 7, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 60.20 55.50 0.00 339.01 265.62 73.39
2 59.20 54.50 0.00 339.07 265.34 73.73
3 62.30 57.60 0.00 339.03 265.52 73.51
4 60.80 56.10 0.00 338.95 265.65 73.30
5 63.00 56.00 2.30 338.90 265.70 73.20
6 69.20 54.90 9.60 338.89 265.65 73.24
7 69.10 54.80 9.60 338.83 265.56 73.27
8 69.20 54.90 9.60 338.85 265.50 73.35
9 68.80 54.80 9.30 338.85 265.53 73.32
10 63.80 59.10 0.00 338.85 265.64 73.21
11 63.50 58.80 0.00 338.80 265.71 73.09
12 61.00 56.30 0.00 338.80 265.54 73.26
13 64.10 59.40 0.00 338.77 265.55 73.22
14 65.00 60.30 0.00 338.76 265.60 73.16
15 64.60 59.90 0.00 338.78 265.54 73.24
16 64.50 59.80 0.00 338.81 265.55 73.26
17 66.30 61.60 0.00 338.75 265.67 73.08
18 75.80 71.10 0.00 338.75 265.75 73.00
19 75.90 71.20 0.00 338.73 265.73 73.00
20 75.80 71.10 0.00 338.67 265.69 72.98
21 75.70 71.00 0.00 338.63 265.62 73.01
22 62.20 57.50 0.00 338.70 265.46 73.24
23 61.00 56.30 0.00 338.69 265.47 73.22
24 60.60 55.90 0.00 338.68 265.58 73.10
AVG 65.90 59.52 1.68 338.81 265.59 73.22
MAX 75.90 71.20 9.60 339.07 265.75 73.73
MIN 59.20 54.50 0.00 338.63 265.34 72.98