US Army Corps of Engineers

John Day Dam

Tuesday September 22, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 66.40 63.90 1.60 265.42 160.12 105.30
2 66.90 64.40 1.60 265.52 159.92 105.60
3 68.60 64.30 1.60 265.32 159.82 105.50
4 67.40 64.90 1.60 265.32 160.02 105.30
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
AVG 67.33 64.38 1.60 265.39 159.97 105.42
MAX 68.60 64.90 1.60 265.52 160.12 105.60
MIN 66.40 63.90 1.60 265.32 159.82 105.30