US Army Corps of Engineers

John Day Dam

Friday May 15, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 268.00 62.20204.90 265.62 161.42 104.20
2 264.50 58.70204.90 265.72 161.22 104.50
3 266.90 61.10204.90 265.72 161.32 104.40
4 264.20 58.40204.90 265.72 161.52 104.20
5 248.20 59.70185.80 265.62 161.53 104.09
6 264.70 58.80205.00 265.52 161.92 103.60
7 266.90 61.00205.00 265.52 161.32 104.20
8 263.50 57.70205.00 265.52 161.32 104.20
9 267.00 59.40205.00 265.52 161.42 104.10
10 265.30 59.40205.00 265.42 161.42 104.00
11 264.70 61.50202.30 265.42 161.42 104.00
12 252.10 59.60189.80 265.52 161.32 104.20
13 250.70 60.10189.70 265.62 161.52 104.10
14 253.50 61.10189.80 265.62 161.72 103.90
15 252.70 61.80190.00 265.62 162.12 103.50
16 250.60 59.70190.00 265.62 162.00 103.62
17 252.60 60.00190.00 265.62 162.42 103.20
18 250.30 59.50190.00 265.42 162.82 102.60
19 252.50 61.90189.80 265.32 162.22 103.10
20 252.10 61.90189.30 265.32 162.12 103.20
21 250.80 60.70189.30 265.32 162.03 103.29
22 250.90 60.30189.70 265.52 161.73 103.79
23 255.30 62.60190.00 265.62 161.83 103.79
24 255.40 62.70190.00 265.62 161.38 104.24
AVG 257.64 60.41195.84 265.54 161.71 103.83
MAX 268.00 62.70205.00 265.72 162.82 104.50
MIN 248.20 57.70185.80 265.32 161.22 102.60