US Army Corps of Engineers

McNary Dam

Wednesday May 6, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 230.20 53.60171.90 337.54 266.95 70.59
2 229.40 53.10171.60 337.45 266.89 70.56
3 229.20 53.10171.40 337.47 266.94 70.53
4 229.70 53.50171.50 337.50 266.96 70.54
5 229.90 53.70171.50 337.44 266.98 70.46
6 230.80 54.00172.10 337.48 266.95 70.53
7 230.20 53.00172.50 337.54 266.93 70.61
8 231.60 54.10172.80 337.58 267.02 70.56
9 231.30 53.50173.00 337.62 267.11 70.51
10 231.50 53.30173.50 337.74 267.17 70.57
11 232.00 53.50173.80 337.79 267.15 70.64
12 231.10 53.50172.90 337.86 267.19 70.67
13 222.70 52.80165.20 338.00 266.96 71.04
14 220.00 52.70162.50 338.07 266.93 71.14
15 220.10 52.70162.70 338.11 266.91 71.20
16 220.70 53.10163.00 338.16 267.07 71.09
17 221.30 53.60162.90 338.17 267.14 71.03
18 220.50 53.40162.40 338.20 267.19 71.01
19 221.00 53.90162.50 338.19 267.27 70.92
20 221.20 53.60162.90 338.28 267.19 71.09
21 221.50 53.50163.30 338.34 267.11 71.23
22 220.80 52.70163.40 338.37 267.06 71.31
23 221.50 53.30163.50 338.40 267.04 71.36
24 221.40 52.80163.90 338.36 267.34 71.02
AVG 225.82 53.33167.78 337.90 267.06 70.84
MAX 232.00 54.10173.80 338.40 267.34 71.36
MIN 220.00 52.70162.40 337.44 266.89 70.46