US Army Corps of Engineers

John Day Dam

Sunday May 10, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 241.30 62.40177.90 265.52 160.73 104.79
2 239.90 61.10177.90 265.52 160.72 104.80
3 238.30 59.50177.90 265.42 160.62 104.80
4 240.40 59.80177.90 265.42 160.82 104.60
5 239.70 60.80177.90 265.42 160.62 104.80
6 238.20 59.40177.90 265.42 160.32 105.10
7 249.80 58.60190.30 265.42 160.52 104.90
8 255.30 59.20195.20 265.42 160.62 104.80
9 255.60 59.50195.20 265.42 160.65 104.77
10 255.30 59.20195.20 265.52 160.72 104.80
11 255.60 59.50195.20 265.52 160.82 104.70
12 257.30 59.40195.20 265.52 161.12 104.40
13 254.20 58.10195.20 265.52 161.32 104.20
14 255.20 59.10195.20 265.52 160.90 104.62
15 255.30 59.20195.20 265.52 161.12 104.40
16 257.00 59.10195.20 265.42 161.12 104.30
17 257.90 60.00195.20 265.42 161.42 104.00
18 257.40 60.00194.70 265.32 161.52 103.80
19 257.20 61.80194.50 265.32 161.52 103.80
20 255.70 60.40194.50 265.32 161.43 103.89
21 231.20 60.10170.20 265.32 161.22 104.10
22 257.40 60.70195.80 265.42 161.42 104.00
23 245.40 60.80181.90 265.82 160.82 105.00
24 248.80 62.90185.00 265.82 161.52 104.30
AVG 249.97 60.03188.60 265.47 160.98 104.49
MAX 257.90 62.90195.80 265.82 161.52 105.10
MIN 231.20 58.10170.20 265.32 160.32 103.80
BUILDING STRONG®