US Army Corps of Engineers

John Day Dam

Friday May 22, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 210.90 60.00150.10 265.52 161.22 104.30
2 211.20 60.20150.10 265.52 161.32 104.20
3 211.00 60.10150.10 265.52 161.33 104.19
4 210.90 59.90150.10 265.52 161.52 104.00
5 210.90 59.90150.10 265.42 161.42 104.00
6 210.80 59.80150.10 265.42 161.22 104.20
7 210.50 59.50150.10 265.42 161.12 104.30
8 210.80 59.80150.10 265.32 161.02 104.30
9 214.00 61.40149.90 265.32 160.82 104.50
10 210.80 60.00149.90 265.32 161.02 104.30
11 210.60 59.80149.90 265.32 161.12 104.20
12 210.80 60.00149.90 265.32 161.32 104.00
13 212.40 59.80149.90 265.32 161.22 104.10
14 210.80 60.10149.90 265.32 161.42 103.90
15 211.00 60.00150.10 265.32 161.52 103.80
16 211.50 60.40150.10 265.32 161.62 103.70
17 213.90 63.10149.90 265.22 161.72 103.50
18 211.30 60.60149.90 265.22 161.82 103.40
19 212.20 61.50149.80 265.12 161.52 103.60
20 211.00 60.30149.80 265.12 161.10 104.02
21 210.70 60.00149.80 265.12 160.72 104.40
22 211.10 60.40149.80 265.02 160.42 104.60
23 211.80 61.10149.80 265.02 160.11 104.91
24 208.60 60.10147.70 265.02 159.42 105.60
AVG 211.23 60.32149.87 265.30 161.13 104.17
MAX 214.00 63.10150.10 265.52 161.82 105.60
MIN 208.60 59.50147.70 265.02 159.42 103.40