US Army Corps of Engineers

John Day Dam

Saturday July 18, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 111.30 65.60 43.00 263.62 160.02 103.60
2 111.30 65.60 43.00 263.62 160.02 103.60
3 109.70 65.90 43.00 263.41 159.92 103.49
4 111.40 65.70 43.00 263.41 160.02 103.39
5 109.70 65.90 43.00 263.42 159.92 103.50
6 110.00 66.10 43.00 263.62 159.82 103.80
7 98.90 55.00 43.00 263.61 159.72 103.89
8 100.20 54.50 43.00 263.62 159.72 103.90
9 98.70 54.80 43.00 263.52 159.72 103.80
10 110.40 64.70 43.00 263.51 159.82 103.69
11 111.00 67.20 43.00 263.52 159.91 103.61
12 111.40 67.50 43.00 263.61 160.12 103.49
13 111.30 67.40 43.00 263.72 159.92 103.80
14 111.40 67.50 43.00 263.62 160.02 103.60
15 111.10 67.20 43.00 263.62 160.02 103.60
16 112.10 68.20 43.00 263.51 160.12 103.39
17 119.80 75.90 43.00 263.51 160.12 103.39
18 120.50 76.60 43.00 263.51 160.28 103.23
19 123.30 77.60 43.00 263.52 160.32 103.20
20 120.30 76.40 43.00 263.51 160.62 102.89
21 120.30 76.40 43.00 263.52 160.33 103.19
22 120.40 76.50 43.00 263.51 160.42 103.09
23 120.90 77.00 43.00 263.51 160.42 103.09
24 120.40 76.60 42.90 263.62 160.02 103.60
AVG 112.74 68.41 43.00 263.55 160.06 103.49
MAX 123.30 77.60 43.00 263.72 160.62 103.90
MIN 98.70 54.50 42.90 263.41 159.72 102.89
BUILDING STRONG®