US Army Corps of Engineers

John Day Dam

Tuesday May 19, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 233.90 61.30171.70 265.32 160.52 104.80
2 214.70 61.80152.00 265.32 160.72 104.60
3 215.10 62.30152.00 265.32 160.82 104.50
4 214.50 61.70151.90 265.32 160.62 104.70
5 213.70 60.90152.00 265.32 160.62 104.70
6 214.90 60.20152.00 265.32 160.72 104.60
7 214.30 61.50152.00 265.32 160.72 104.60
8 213.60 60.80152.00 265.32 160.62 104.70
9 212.00 59.20151.90 265.22 160.32 104.90
10 215.40 61.00151.70 265.22 160.53 104.69
11 213.00 60.30151.70 265.22 160.62 104.60
12 214.00 61.30151.70 265.22 160.62 104.60
13 213.40 60.80151.70 265.22 160.62 104.60
14 213.80 61.20151.70 265.22 160.92 104.30
15 222.40 60.70160.90 265.22 161.32 103.90
16 224.60 60.00162.00 265.22 161.42 103.80
17 223.40 60.50162.00 265.22 161.72 103.50
18 223.70 60.90161.90 265.22 162.12 103.10
19 225.20 62.30161.90 265.12 162.32 102.80
20 226.50 63.70161.80 265.12 161.68 103.44
21 225.40 62.60161.80 265.12 161.42 103.70
22 226.50 62.00161.80 265.12 161.12 104.00
23 226.30 63.50161.90 265.22 161.12 104.10
24 222.60 59.40162.30 265.32 160.62 104.70
AVG 219.29 61.25156.85 265.24 160.99 104.25
MAX 233.90 63.70171.70 265.32 162.32 104.90
MIN 212.00 59.20151.70 265.12 160.32 102.80