US Army Corps of Engineers

John Day Dam

Thursday September 17, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 61.10 58.60 1.60 264.92 160.02 104.90
2 61.00 58.50 1.60 265.02 159.82 105.20
3 60.80 58.30 1.60 264.92 160.12 104.80
4 61.10 58.60 1.60 264.92 160.02 104.90
5 70.20 67.70 1.60 264.92 160.22 104.70
6 71.30 68.80 1.60 264.92 160.22 104.70
7 70.90 68.40 1.60 264.92 160.32 104.60
8 72.40 68.10 1.60 265.02 160.02 105.00
9 59.00 56.50 1.60 265.12 160.12 105.00
10 60.60 56.30 1.60 265.02 160.32 104.70
11 59.70 57.20 1.60 265.02 160.12 104.90
12 61.40 57.10 1.60 265.02 160.52 104.50
13 59.80 57.30 1.60 264.92 160.12 104.80
14 59.20 56.70 1.60 265.02 160.12 104.90
15 59.50 57.00 1.60 265.12 160.02 105.10
16 59.90 57.40 1.60 265.02 160.42 104.60
17 76.90 74.40 1.60 264.92 160.32 104.60
18 77.00 74.50 1.60 264.92 160.42 104.50
19 77.30 74.80 1.60 264.82 160.24 104.58
20 77.00 72.70 1.60 265.02 160.52 104.50
21 75.10 72.60 1.60 265.12 160.72 104.40
22 76.20 73.70 1.60 265.12 160.32 104.80
23 76.60 74.10 1.60 264.92 160.32 104.60
24 74.80 72.30 1.60 264.82 160.37 104.45
AVG 67.45 64.65 1.60 264.98 160.24 104.74
MAX 77.30 74.80 1.60 265.12 160.72 105.20
MIN 59.00 56.30 1.60 264.82 159.82 104.40
BUILDING STRONG®