US Army Corps of Engineers

McNary Dam

Thursday January 22, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 187.10 184.30 0.00 339.78 267.79 71.99
2 187.00 184.20 0.00 339.72 267.77 71.95
3 187.10 184.30 0.00 339.79 267.72 72.07
4 187.10 184.30 0.00 339.77 267.77 72.00
5 187.10 184.30 0.00 339.76 267.64 72.12
6 186.50 183.70 0.00 339.63 267.70 71.93
7 186.90 184.10 0.00 339.72 267.62 72.10
8 185.80 183.00 0.00 339.72 267.68 72.04
9 191.30 183.10 5.40 339.76 267.83 71.93
10 196.50 183.20 10.60 339.83 267.74 72.09
11 196.80 183.40 10.60 339.85 267.81 72.04
12 206.20 184.00 19.40 339.86 267.94 71.92
13 207.00 184.40 19.80 339.80 267.91 71.89
14 206.80 184.20 19.80 339.73 267.77 71.96
15 206.90 184.40 19.70 339.69 267.93 71.76
16 206.60 184.20 19.60 339.61 267.86 71.75
17 207.10 184.70 19.60 339.56 267.91 71.65
18 207.30 185.00 19.50 339.47 267.84 71.63
19 207.60 185.20 19.60 339.51 267.86 71.65
20 207.80 185.20 19.90 339.50 267.83 71.67
21 208.10 185.40 19.80 339.47 268.01 71.46
22 207.70 185.10 19.80 339.43 267.76 71.67
23 207.90 185.40 19.70 339.35 267.78 71.57
24 208.50 186.00 19.70 339.33 267.94 71.39
AVG 198.95 184.38 11.77 339.65 267.81 71.84
MAX 208.50 186.00 19.90 339.86 268.01 72.12
MIN 185.80 183.00 0.00 339.33 267.62 71.39