US Army Corps of Engineers

McNary Dam

Sunday April 12, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 202.10 51.50147.80 338.95 266.59 72.36
2 202.90 52.60147.60 338.91 266.49 72.42
3 202.40 52.20147.50 338.94 266.51 72.43
4 202.10 52.10147.30 338.86 266.49 72.37
5 202.20 52.30147.10 338.88 266.53 72.35
6 203.90 52.70148.40 338.91 266.60 72.31
7 204.70 52.00150.10 338.87 266.64 72.23
8 204.30 51.60150.00 338.94 266.66 72.28
9 204.70 52.00150.00 338.84 266.71 72.13
10 204.90 52.20150.00 338.90 266.59 72.31
11 205.20 52.40150.00 338.87 266.52 72.35
12 204.50 51.80150.00 338.85 266.55 72.30
13 203.90 51.10150.00 338.90 266.56 72.34
14 205.30 52.70150.00 338.87 266.51 72.36
15 204.50 51.90149.90 338.86 266.54 72.32
16 204.80 52.20149.80 338.87 266.55 72.32
17 205.90 53.40149.80 338.81 266.48 72.33
18 204.30 51.80149.70 338.82 266.55 72.27
19 204.40 52.10149.50 338.75 266.65 72.10
20 203.50 51.40149.40 338.78 266.63 72.15
21 203.80 51.70149.40 338.77 266.65 72.12
22 205.00 52.90149.40 338.81 266.65 72.16
23 204.40 52.10149.60 338.81 266.60 72.21
24 204.40 52.00149.60 338.77 266.61 72.16
AVG 204.09 52.11149.25 338.86 266.58 72.28
MAX 205.90 53.40150.10 338.95 266.71 72.43
MIN 202.10 51.10147.10 338.75 266.48 72.10