US Army Corps of Engineers

The Dalles Dam

Thursday August 20, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 98.80 51.60 41.40 159.26 77.28 81.98
2 99.30 51.50 42.00 159.16 77.31 81.85
3 99.40 51.60 42.00 159.04 77.14 81.90
4 99.00 51.20 42.00 158.95 77.04 81.91
5 99.20 51.40 42.00 158.86 77.08 81.78
6 99.00 51.20 42.00 158.83 77.05 81.78
7 99.60 51.80 42.00 158.71 76.97 81.74
8 100.30 52.50 42.00 158.67 76.98 81.69
9 100.40 52.60 42.00 158.60 76.95 81.65
10 102.30 54.50 42.00 158.53 76.93 81.60
11 101.80 54.00 42.00 158.48 76.90 81.58
12 102.30 54.50 42.00 158.57 76.94 81.63
13 101.80 54.00 42.00 158.54 76.84 81.70
14 101.90 54.10 42.00 158.70 76.83 81.87
15 102.60 54.80 42.00 158.81 76.90 81.91
16 103.20 55.40 42.00 158.86 76.90 81.96
17 129.80 82.00 42.00 158.67 77.49 81.18
18 133.90 86.10 42.00 158.81 77.57 81.24
19 131.70 83.90 42.00 158.92 77.60 81.32
20 131.30 83.50 42.00 159.02 77.63 81.39
21 120.20 72.40 42.00 159.21 77.56 81.65
22 118.10 70.30 42.00 159.10 77.48 81.62
23 117.60 69.80 42.00 159.31 77.42 81.89
24 100.80 53.00 42.00 159.48 77.15 82.33
AVG 108.10 60.32 41.98 158.88 77.16 81.71
MAX 133.90 86.10 42.00 159.48 77.63 82.33
MIN 98.80 51.20 41.40 158.48 76.83 81.18
BUILDING STRONG®