US Army Corps of Engineers

McNary Dam

Sunday November 1, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 68.60 54.50 9.30 338.64 265.88 72.76
2 66.90 52.80 9.40 338.65 265.99 72.66
3 68.40 54.30 9.40 338.66 265.99 72.67
4 68.40 54.30 9.40 338.74 266.02 72.72
5 72.00 55.60 11.70 338.77 266.09 72.68
6 91.30 67.60 19.00 338.83 266.27 72.56
7 90.10 66.20 19.20 338.97 266.17 72.80
8 89.40 65.20 19.50 339.05 266.20 72.85
9 90.60 66.30 19.60 339.11 266.17 72.94
10 90.90 66.40 19.80 339.20 266.13 73.07
11 91.10 66.50 20.00 339.22 266.16 73.06
12 91.10 66.50 19.90 339.21 266.24 72.97
13 91.20 66.50 20.00 339.28 266.21 73.07
14 91.10 66.40 20.00 339.24 266.18 73.06
15 90.40 65.70 20.00 339.24 266.08 73.16
16 91.30 66.60 19.90 339.19 266.06 73.13
17 90.40 65.90 19.80 339.15 266.13 73.02
18 89.80 65.30 19.80 339.10 266.20 72.90
19 90.70 66.40 19.60 339.01 266.28 72.73
20 90.50 66.40 19.40 338.92 266.10 72.82
21 89.70 65.70 19.20 338.90 265.89 73.01
22 81.20 57.30 19.20 338.82 265.80 73.02
23 77.10 56.00 16.40 338.76 265.87 72.89
24 79.00 55.40 18.90 338.73 265.86 72.87
AVG 84.63 62.49 17.43 338.97 266.08 72.89
MAX 91.30 67.60 20.00 339.28 266.28 73.16
MIN 66.90 52.80 9.30 338.64 265.80 72.56