US Army Corps of Engineers

John Day Dam

Friday May 29, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 231.10 59.80170.40 265.52 160.96 104.56
2 231.50 60.20170.40 265.52 160.92 104.60
3 220.40 59.50160.00 265.42 160.92 104.50
4 232.10 59.70169.70 265.32 161.12 104.20
5 230.30 60.00169.40 265.32 161.42 103.90
6 230.10 59.80169.40 265.32 161.52 103.80
7 230.10 59.80169.40 265.22 161.42 103.80
8 228.80 59.10168.80 265.22 161.62 103.60
9 229.40 59.80168.70 265.02 161.52 103.50
10 229.60 60.00168.70 264.92 161.62 103.30
11 207.10 60.00144.40 265.02 161.12 103.90
12 202.60 59.80140.10 265.02 161.32 103.70
13 201.10 60.20140.10 264.92 161.12 103.80
14 202.90 60.10140.10 264.92 161.14 103.78
15 200.90 59.90140.10 264.92 161.22 103.70
16 201.80 59.90139.20 265.02 160.82 104.20
17 170.10 59.00110.20 265.12 160.62 104.50
18 170.90 60.00110.00 265.12 160.32 104.80
19 170.70 59.80110.00 265.12 160.22 104.90
20 170.60 59.70110.00 265.32 160.22 105.10
21 170.40 59.40110.10 265.52 160.12 105.40
22 172.20 59.30110.20 265.72 160.02 105.70
23 170.30 59.30110.20 265.82 160.12 105.70
24 171.90 59.50111.50 265.82 160.32 105.50
AVG 203.20 59.73142.13 265.26 160.91 104.35
MAX 232.10 60.20170.40 265.82 161.62 105.70
MIN 170.10 59.00110.00 264.92 160.02 103.30