US Army Corps of Engineers

McNary Dam

Thursday May 14, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 232.90 53.50174.70 337.83 267.44 70.39
2 233.10 53.70174.80 337.87 267.40 70.47
3 233.20 53.80174.80 337.83 267.46 70.37
4 233.20 53.80174.60 337.86 267.46 70.40
5 233.60 54.20174.80 337.85 267.45 70.40
6 233.60 54.20174.80 337.86 267.34 70.52
7 232.40 52.80174.90 337.87 267.37 70.50
8 232.70 53.20174.80 337.86 267.35 70.51
9 232.30 52.90174.70 337.86 267.53 70.33
10 232.70 53.30174.70 337.82 267.60 70.22
11 233.70 54.30174.70 337.85 267.63 70.22
12 232.60 53.10174.80 337.89 267.58 70.31
13 233.20 53.50175.00 337.89 267.51 70.38
14 233.00 53.30175.00 337.89 267.63 70.26
15 233.20 53.30175.20 337.92 267.63 70.29
16 235.20 54.10176.40 337.87 267.79 70.08
17 250.50 53.80192.00 337.87 267.76 70.11
18 250.30 52.70192.90 337.99 267.85 70.14
19 252.10 54.20193.20 338.00 267.86 70.14
20 251.50 53.30193.60 338.04 267.80 70.24
21 251.90 53.60193.60 338.00 267.77 70.23
22 251.20 53.40193.10 337.92 267.85 70.07
23 251.40 53.70193.00 338.06 267.93 70.13
24 253.50 54.00194.90 338.10 267.98 70.12
AVG 239.29 53.57181.04 337.91 267.62 70.28
MAX 253.50 54.30194.90 338.10 267.98 70.52
MIN 232.30 52.70174.60 337.82 267.34 70.07
BUILDING STRONG®