US Army Corps of Engineers

John Day Dam

Monday May 11, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 256.90 61.30194.80 265.82 161.52 104.30
2 256.90 61.20194.80 265.62 161.92 103.70
3 256.50 60.80194.80 265.52 162.02 103.50
4 256.50 60.80194.80 265.52 161.92 103.60
5 255.40 59.70194.80 265.62 161.72 103.90
6 256.20 60.50194.80 265.62 161.72 103.90
7 254.80 59.10194.80 265.62 161.82 103.80
8 255.80 60.10194.80 265.52 161.62 103.90
9 258.00 60.50194.80 265.52 162.02 103.50
10 254.50 58.90194.80 265.52 161.62 103.90
11 255.50 59.80194.80 265.52 161.72 103.80
12 256.40 59.00194.70 265.52 161.72 103.80
13 243.00 59.50182.50 265.52 161.40 104.12
14 240.80 60.10179.80 265.52 161.82 103.70
15 241.00 60.30179.80 265.52 161.42 104.10
16 242.20 61.50179.80 265.52 161.32 104.20
17 240.50 59.80179.80 265.52 161.22 104.30
18 241.40 60.70179.80 265.52 161.50 104.02
19 244.30 63.60179.80 265.52 161.32 104.20
20 242.80 62.10179.80 265.42 161.62 103.80
21 242.70 60.10179.80 265.52 160.92 104.60
22 243.50 61.00179.80 265.52 160.82 104.70
23 239.50 58.80179.80 265.52 160.70 104.82
24 240.80 60.10179.80 265.52 160.62 104.90
AVG 249.00 60.39187.41 265.55 161.50 104.04
MAX 258.00 63.60194.80 265.82 162.02 104.90
MIN 239.50 58.80179.80 265.42 160.62 103.50
BUILDING STRONG®