US Army Corps of Engineers

John Day Dam

Monday June 1, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 225.80 60.90164.10 264.82 160.92 103.90
2 227.00 60.20164.10 264.82 160.72 104.10
3 225.40 60.40164.10 264.82 160.82 104.00
4 224.30 59.30164.10 264.82 161.02 103.80
5 225.80 58.90166.10 264.72 161.02 103.70
6 244.40 59.50184.00 264.72 161.32 103.40
7 245.00 58.30184.00 264.62 161.32 103.30
8 243.50 58.60184.00 264.62 161.42 103.20
9 245.70 60.90184.00 264.62 161.52 103.10
10 244.00 59.10184.00 264.62 161.32 103.30
11 246.40 59.80184.00 264.62 161.52 103.10
12 243.90 59.10184.00 264.52 161.32 103.20
13 246.40 59.90183.80 264.52 161.52 103.00
14 245.70 61.00183.80 264.52 161.32 103.20
15 245.00 60.30183.80 264.52 161.43 103.09
16 245.20 60.60183.70 264.52 161.05 103.47
17 245.00 60.30183.80 264.52 160.92 103.60
18 246.80 60.50183.70 264.42 160.82 103.60
19 245.90 61.60183.50 264.42 160.52 103.90
20 244.90 60.50183.40 264.32 160.42 103.90
21 245.50 61.20183.40 264.32 160.32 104.00
22 244.60 60.30183.30 264.32 160.22 104.10
23 244.50 60.30183.30 264.22 160.32 103.90
24 244.60 60.50183.20 264.22 160.22 104.00
AVG 241.05 60.08179.72 264.55 160.97 103.58
MAX 246.80 61.60184.00 264.82 161.52 104.10
MIN 224.30 58.30164.10 264.22 160.22 103.00