US Army Corps of Engineers

McNary Dam

Tuesday November 3, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 78.70 64.50 9.50 338.75 266.04 72.71
2 79.70 65.50 9.50 338.79 266.12 72.67
3 78.80 64.60 9.50 338.80 266.00 72.80
4 79.70 65.40 9.60 338.85 266.02 72.83
5 81.70 65.20 11.80 338.85 266.31 72.54
6 106.60 82.80 19.10 338.78 266.51 72.27
7 107.80 84.00 19.10 338.88 266.37 72.51
8 107.70 83.70 19.30 338.96 266.52 72.44
9 108.40 84.30 19.40 339.00 266.42 72.58
10 110.20 86.00 19.50 339.06 266.30 72.76
11 99.20 74.80 19.70 339.13 266.08 73.05
12 99.00 74.60 19.70 339.09 266.29 72.80
13 100.40 76.10 19.60 339.05 266.30 72.75
14 99.50 75.20 19.60 339.11 266.29 72.82
15 101.50 77.20 19.60 339.02 266.44 72.58
16 99.60 75.50 19.40 338.94 266.47 72.47
17 109.30 85.40 19.20 338.89 266.63 72.26
18 110.70 86.90 19.10 338.82 266.62 72.20
19 110.00 86.30 19.00 338.72 266.60 72.12
20 109.70 86.20 18.80 338.68 266.59 72.09
21 100.90 77.50 18.70 338.62 266.24 72.38
22 86.60 63.30 18.70 338.59 266.06 72.53
23 83.10 59.90 18.60 338.54 266.15 72.39
24 84.80 61.60 18.50 338.51 266.15 72.36
AVG 97.23 75.27 17.27 338.85 266.31 72.54
MAX 110.70 86.90 19.70 339.13 266.63 73.05
MIN 78.70 59.90 9.50 338.51 266.00 72.09