US Army Corps of Engineers

McNary Dam

Sunday February 1, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 154.10 151.30 0.00 339.10 266.37 72.73
2 154.30 151.50 0.00 339.02 266.35 72.67
3 154.30 151.50 0.00 339.09 266.34 72.75
4 153.80 151.00 0.00 339.05 266.31 72.74
5 154.50 151.70 0.00 339.06 266.40 72.66
6 154.00 151.20 0.00 339.13 266.31 72.82
7 154.00 151.20 0.00 339.15 266.30 72.85
8 154.70 151.90 0.00 339.08 266.40 72.68
9 154.50 151.70 0.00 339.05 266.35 72.70
10 154.20 151.40 0.00 339.11 266.38 72.73
11 154.60 151.80 0.00 339.11 266.29 72.82
12 154.40 151.60 0.00 339.18 266.33 72.85
13 153.90 151.10 0.00 339.29 266.22 73.07
14 153.60 150.80 0.00 339.39 266.26 73.13
15 153.50 150.70 0.00 339.40 266.29 73.11
16 152.10 149.30 0.00 339.51 266.12 73.39
17 151.50 148.70 0.00 339.56 266.11 73.45
18 152.90 150.10 0.00 339.59 266.36 73.23
19 153.10 150.30 0.00 339.66 266.14 73.52
20 152.70 149.90 0.00 339.53 266.18 73.35
21 152.30 149.50 0.00 339.57 266.09 73.48
22 152.90 150.10 0.00 339.53 266.07 73.46
23 152.70 149.90 0.00 339.63 266.12 73.51
24 153.00 150.20 0.00 339.49 266.11 73.38
AVG 153.57 150.77 0.00 339.30 266.26 73.05
MAX 154.70 151.90 0.00 339.66 266.40 73.52
MIN 151.50 148.70 0.00 339.02 266.07 72.66