US Army Corps of Engineers

McNary Dam

Thursday June 4, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 241.30 53.20183.40 337.98 266.37 71.61
2 241.10 53.00183.40 337.94 266.47 71.47
3 240.50 52.50183.30 337.99 266.46 71.53
4 222.20 52.30165.20 338.10 266.05 72.05
5 219.70 51.60163.40 338.11 265.92 72.19
6 203.80 52.00147.10 338.31 265.83 72.48
7 200.30 51.50144.10 338.37 265.92 72.45
8 200.20 51.20144.30 338.42 266.02 72.40
9 201.10 51.70144.70 338.60 265.96 72.64
10 200.70 52.50143.60 338.74 265.94 72.80
11 200.40 51.50144.20 338.82 266.02 72.80
12 201.20 52.30144.20 338.96 265.83 73.13
13 201.60 52.10144.80 338.97 266.23 72.74
14 242.70 54.20183.80 338.89 266.63 72.26
15 244.10 55.00184.40 339.06 266.66 72.40
16 245.10 55.70184.70 338.98 266.63 72.35
17 232.50 56.10171.70 339.17 266.10 73.07
18 204.80 55.80144.30 339.21 265.91 73.30
19 205.80 56.60144.50 339.26 266.00 73.26
20 205.50 55.90145.00 339.37 266.12 73.25
21 205.80 55.50145.60 339.48 266.06 73.42
22 206.60 56.00145.90 339.53 266.14 73.39
23 208.80 57.80146.20 339.63 266.15 73.48
24 206.40 55.30146.40 339.66 265.96 73.70
AVG 215.92 53.80157.42 338.81 266.14 72.67
MAX 245.10 57.80184.70 339.66 266.66 73.70
MIN 200.20 51.20143.60 337.94 265.83 71.47