US Army Corps of Engineers

John Day Dam

Friday July 17, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 122.70 69.80 52.00 263.32 160.22 103.10
2 122.80 69.80 52.00 263.42 160.22 103.20
3 122.40 69.50 52.00 263.51 160.21 103.30
4 122.70 69.70 52.00 263.52 160.21 103.31
5 122.20 69.20 52.00 263.52 160.12 103.40
6 122.00 69.10 52.00 263.52 160.02 103.50
7 121.70 68.70 52.10 263.52 159.92 103.60
8 121.60 68.70 52.10 263.52 159.92 103.60
9 110.80 57.80 52.10 263.52 159.91 103.61
10 109.50 56.50 52.10 263.62 159.72 103.90
11 109.20 56.20 52.20 263.62 159.62 104.00
12 109.70 56.60 52.20 263.62 159.22 104.40
13 111.70 56.80 52.20 263.72 159.42 104.30
14 110.30 57.20 52.20 263.72 159.12 104.60
15 110.20 57.20 52.20 263.72 159.32 104.40
16 134.50 81.40 52.20 263.62 159.62 104.00
17 137.40 82.50 52.20 263.61 159.52 104.09
18 135.10 82.00 52.20 263.62 159.72 103.90
19 135.30 82.20 52.20 263.62 159.83 103.79
20 135.10 82.00 52.20 263.62 160.02 103.60
21 136.00 82.90 52.20 263.52 160.22 103.30
22 135.70 82.70 52.10 263.42 160.22 103.20
23 125.40 70.60 52.10 263.42 160.12 103.30
24 122.50 69.90 51.70 263.52 160.12 103.40
AVG 122.77 69.54 52.10 263.56 159.86 103.70
MAX 137.40 82.90 52.20 263.72 160.22 104.60
MIN 109.20 56.20 51.70 263.32 159.12 103.10
BUILDING STRONG®