US Army Corps of Engineers

John Day Dam

Tuesday April 7, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 199.80 189.10 9.80 265.42 161.92 103.50
2 199.70 189.00 9.80 265.42 161.72 103.70
3 198.40 187.70 9.80 265.42 161.92 103.50
4 198.30 187.60 9.70 265.32 161.74 103.58
5 199.20 188.50 9.70 265.32 161.63 103.69
6 198.20 187.60 9.70 265.22 161.72 103.50
7 199.00 188.40 9.70 265.22 162.02 103.20
8 201.10 190.50 9.70 265.22 161.82 103.40
9 188.70 178.10 9.70 265.22 161.82 103.40
10 182.10 171.50 9.70 265.02 161.42 103.60
11 180.00 169.40 9.70 264.92 161.42 103.50
12 184.40 172.00 9.70 264.82 161.52 103.30
13 180.40 169.90 9.70 264.82 161.12 103.70
14 178.80 168.20 9.70 264.82 161.02 103.80
15 181.00 170.40 9.70 264.92 161.02 103.90
16 181.40 170.80 9.70 264.92 161.32 103.60
17 189.70 177.30 9.70 264.92 161.22 103.70
18 190.30 179.70 9.70 264.82 161.02 103.80
19 202.40 191.80 9.70 264.82 161.02 103.80
20 201.40 190.80 9.70 264.92 161.22 103.70
21 202.90 192.30 9.70 265.12 161.22 103.90
22 203.00 192.40 9.70 265.12 161.32 103.80
23 211.60 201.00 9.70 265.12 161.62 103.50
24 209.20 198.60 9.70 265.12 161.22 103.90
AVG 194.21 183.44 9.71 265.08 161.46 103.62
MAX 211.60 201.00 9.80 265.42 162.02 103.90
MIN 178.80 168.20 9.70 264.82 161.02 103.20