US Army Corps of Engineers

McNary Dam

Saturday March 29, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 229.30 174.20 50.40 338.55 267.83 70.72
2 229.10 174.00 50.40 338.60 267.84 70.76
3 228.80 173.90 50.30 338.60 267.85 70.75
4 228.60 173.90 50.00 338.62 267.87 70.75
5 229.00 174.30 50.00 338.64 267.83 70.81
6 229.00 174.20 50.10 338.63 267.95 70.68
7 229.10 174.30 50.10 338.65 267.91 70.74
8 229.00 174.20 50.10 338.65 268.02 70.63
9 228.90 174.10 50.10 338.69 267.95 70.74
10 228.60 173.80 50.10 338.66 267.94 70.72
11 228.80 174.00 50.10 338.66 268.06 70.60
12 229.40 174.50 50.10 338.65 268.13 70.52
13 229.30 174.40 50.20 338.72 267.99 70.73
14 229.60 174.70 50.20 338.65 268.08 70.57
15 229.70 174.80 50.10 338.63 268.00 70.63
16 229.30 174.60 50.10 338.61 268.06 70.55
17 229.40 174.70 50.00 338.58 268.01 70.57
18 229.20 174.60 49.90 338.58 268.06 70.52
19 229.20 174.60 49.90 338.57 268.11 70.46
20 229.50 174.90 49.80 338.54 268.11 70.43
21 229.20 174.80 49.80 338.55 268.01 70.54
22 229.10 174.60 49.70 338.52 268.15 70.37
23 228.60 174.30 49.70 338.47 268.09 70.38
24 228.70 174.50 49.60 338.50 268.13 70.37
AVG 229.10 174.37 50.03 338.60 268.00 70.61
MAX 229.70 174.90 50.40 338.72 268.15 70.81
MIN 228.60 173.80 49.60 338.47 267.83 70.37