US Army Corps of Engineers

John Day Dam

Tuesday May 12, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 241.20 60.40179.80 265.52 160.32 105.20
2 240.10 59.40179.80 265.52 160.72 104.80
3 240.50 59.70179.80 265.52 161.02 104.50
4 240.30 59.60179.80 265.52 161.12 104.40
5 240.30 59.60179.80 265.52 161.12 104.40
6 241.40 60.70179.80 265.42 161.12 104.30
7 239.10 58.40179.80 265.42 161.22 104.20
8 239.50 58.70179.80 265.42 160.92 104.50
9 240.50 59.80179.80 265.42 161.32 104.10
10 238.80 58.10179.80 265.42 161.12 104.30
11 240.40 59.70179.80 265.42 161.28 104.14
12 240.10 59.30179.80 265.42 161.62 103.80
13 240.40 59.60179.80 265.42 161.62 103.80
14 240.60 59.80179.80 265.42 161.74 103.68
15 247.10 59.90184.60 265.42 162.02 103.40
16 246.30 60.60184.90 265.42 161.82 103.60
17 246.30 60.50184.90 265.52 161.67 103.85
18 248.70 61.10184.90 265.52 161.62 103.90
19 247.30 61.50184.90 265.52 161.42 104.10
20 246.90 61.20184.90 265.52 161.45 104.07
21 245.60 59.80184.90 265.42 161.22 104.20
22 248.50 60.90184.90 265.42 161.29 104.13
23 244.70 59.00184.90 265.52 160.92 104.60
24 246.00 58.40184.90 265.42 161.32 104.10
AVG 242.94 59.82181.91 265.46 161.29 104.17
MAX 248.70 61.50184.90 265.52 162.02 105.20
MIN 238.80 58.10179.80 265.42 160.32 103.40