US Army Corps of Engineers

John Day Dam

Saturday May 9, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 225.10 61.10163.10 265.82 160.82 105.00
2 223.80 59.80163.10 265.82 160.92 104.90
3 225.20 61.10163.10 265.82 161.02 104.80
4 224.90 60.80163.10 265.82 160.72 105.10
5 225.70 59.80163.10 265.82 160.82 105.00
6 224.30 60.10163.30 265.82 160.65 105.17
7 235.50 55.40177.40 265.72 160.92 104.80
8 237.90 59.10177.90 265.72 160.98 104.74
9 238.90 60.10177.90 265.72 161.02 104.70
10 240.40 59.80177.90 265.72 161.12 104.60
11 239.60 60.80177.90 265.72 161.32 104.40
12 239.80 61.00177.90 265.72 161.42 104.30
13 241.20 60.60177.90 265.62 161.51 104.11
14 240.70 60.00177.90 265.62 161.62 104.00
15 238.80 60.00177.90 265.62 161.72 103.90
16 241.20 60.60177.90 265.62 161.92 103.70
17 238.70 59.90177.90 265.62 161.62 104.00
18 238.60 59.70177.90 265.62 161.82 103.80
19 242.70 63.90177.90 265.62 161.57 104.05
20 239.20 60.40177.90 265.62 161.52 104.10
21 238.90 60.10177.90 265.62 161.32 104.30
22 239.60 60.80177.90 265.62 161.12 104.50
23 239.90 61.10177.90 265.62 161.12 104.50
24 241.10 62.30177.90 265.52 160.96 104.56
AVG 235.90 60.35174.19 265.69 161.23 104.46
MAX 242.70 63.90177.90 265.82 161.92 105.17
MIN 223.80 55.40163.10 265.52 160.65 103.70
BUILDING STRONG®