US Army Corps of Engineers

McNary Dam

Wednesday June 3, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 241.50 53.10183.70 337.71 266.40 71.31
2 242.10 53.70183.70 337.70 266.40 71.30
3 242.00 53.60183.70 337.72 266.45 71.27
4 241.90 53.50183.70 337.71 266.41 71.30
5 241.40 53.30183.40 337.72 266.38 71.34
6 241.00 53.00183.30 337.69 266.33 71.36
7 240.50 52.60183.20 337.71 266.42 71.29
8 241.20 53.30183.10 337.70 266.40 71.30
9 240.30 52.50183.10 337.69 266.29 71.40
10 240.40 52.60183.00 337.67 266.37 71.30
11 241.70 54.10182.90 337.63 266.36 71.27
12 240.70 53.10182.90 337.65 266.37 71.28
13 240.90 53.30183.00 337.65 266.38 71.27
14 240.90 53.00183.10 337.70 266.34 71.36
15 241.90 54.00183.20 337.70 266.38 71.32
16 241.80 53.80183.30 337.72 266.49 71.23
17 241.80 53.70183.40 337.71 266.54 71.17
18 241.30 53.10183.50 337.78 266.47 71.31
19 242.30 53.70183.90 337.86 266.44 71.42
20 242.30 53.30184.20 337.85 266.47 71.38
21 241.10 52.80183.50 337.86 266.50 71.36
22 240.70 52.40183.60 337.83 266.63 71.20
23 241.20 53.20183.30 337.84 266.59 71.25
24 240.80 52.30183.80 337.94 266.54 71.40
AVG 241.32 53.21183.40 337.74 266.43 71.31
MAX 242.30 54.10184.20 337.94 266.63 71.42
MIN 240.30 52.30182.90 337.63 266.29 71.17