US Army Corps of Engineers

John Day Dam

Tuesday January 27, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 171.90 171.30 0.00 264.42 161.12 103.30
2 172.10 171.50 0.00 264.52 161.32 103.20
3 172.50 171.90 0.00 264.52 161.22 103.30
4 174.10 171.70 0.00 264.52 161.47 103.05
5 173.00 172.40 0.00 264.62 162.12 102.50
6 173.20 172.60 0.00 264.62 161.82 102.80
7 172.80 172.20 0.00 264.62 161.82 102.80
8 171.40 170.80 0.00 264.72 161.62 103.10
9 173.50 171.10 0.00 264.72 161.42 103.30
10 171.10 170.50 0.00 264.72 161.42 103.30
11 170.90 170.30 0.00 264.72 161.02 103.70
12 171.10 170.50 0.00 264.82 160.92 103.90
13 170.40 169.80 0.00 264.82 160.59 104.23
14 172.30 169.90 0.00 264.82 161.12 103.70
15 170.50 169.90 0.00 264.92 161.22 103.70
16 170.90 170.30 0.00 264.92 161.42 103.50
17 171.90 171.30 0.00 264.92 161.52 103.40
18 170.40 169.80 0.00 265.02 161.32 103.70
19 169.90 169.30 0.00 265.02 161.02 104.00
20 170.20 169.60 0.00 265.02 160.92 104.10
21 170.30 169.70 0.00 265.12 160.72 104.40
22 170.60 170.00 0.00 265.12 160.58 104.54
23 171.30 170.70 0.00 265.12 160.72 104.40
24 171.40 170.80 0.00 265.22 160.72 104.50
AVG 171.57 170.75 0.00 264.82 161.21 103.60
MAX 174.10 172.60 0.00 265.22 162.12 104.54
MIN 169.90 169.30 0.00 264.42 160.58 102.50