US Army Corps of Engineers

McNary Dam

Saturday May 30, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 213.70 52.70156.30 338.05 267.38 70.67
2 213.80 52.70156.30 338.09 267.41 70.68
3 214.00 52.90156.50 338.15 267.38 70.77
4 205.10 52.10148.30 338.18 267.27 70.91
5 202.70 52.40145.60 338.24 267.34 70.90
6 202.70 52.30145.70 338.31 267.38 70.93
7 202.70 51.90146.10 338.38 267.42 70.96
8 203.70 52.70146.30 338.38 267.58 70.80
9 204.00 52.90146.40 338.45 267.55 70.90
10 204.50 53.20146.60 338.51 267.53 70.98
11 204.70 53.20146.80 338.52 267.41 71.11
12 204.00 52.40146.80 338.48 267.42 71.06
13 203.50 52.00146.80 338.51 267.24 71.27
14 203.50 51.90146.90 338.54 267.27 71.27
15 204.80 53.20147.00 338.54 267.21 71.33
16 204.50 52.90146.90 338.51 267.24 71.27
17 204.00 52.70146.60 338.48 267.23 71.25
18 204.20 53.10146.40 338.38 267.22 71.16
19 205.10 54.30146.10 338.37 267.20 71.17
20 204.50 53.90145.90 338.30 267.18 71.12
21 203.20 52.90145.50 338.25 267.11 71.14
22 203.10 53.00145.40 338.21 267.15 71.06
23 203.90 54.10145.10 338.14 267.05 71.09
24 202.60 53.10144.80 338.07 266.95 71.12
AVG 205.10 52.85147.55 338.33 267.30 71.04
MAX 214.00 54.30156.50 338.54 267.58 71.33
MIN 202.60 51.90144.80 338.05 266.95 70.67