US Army Corps of Engineers

John Day Dam

Wednesday April 8, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 170.10 159.50 9.70 265.32 160.62 104.70
2 168.70 158.10 9.70 265.32 161.02 104.30
3 184.50 173.80 9.70 265.22 161.15 104.07
4 196.30 185.70 9.70 265.02 161.62 103.40
5 206.60 196.00 9.70 265.02 161.82 103.20
6 212.80 202.20 9.70 265.22 162.03 103.19
7 198.40 187.70 9.70 265.22 162.42 102.80
8 193.20 182.60 9.70 265.22 162.42 102.80
9 184.40 172.10 9.70 265.22 161.94 103.28
10 164.60 154.10 9.70 265.22 161.82 103.40
11 149.30 136.90 9.70 265.22 161.53 103.69
12 146.70 136.10 9.70 265.22 161.32 103.90
13 148.00 137.40 9.70 265.22 160.82 104.40
14 149.10 136.70 9.70 265.22 160.32 104.90
15 146.90 136.40 9.70 265.22 160.12 105.10
16 145.70 135.00 9.70 265.32 159.32 106.00
17 145.00 134.30 9.70 265.32 159.26 106.06
18 172.90 162.30 9.70 265.22 160.02 105.20
19 190.10 177.70 9.70 265.22 160.12 105.10
20 188.40 177.80 9.70 265.22 160.32 104.90
21 191.80 179.40 9.70 265.42 160.32 105.10
22 190.00 179.30 9.80 265.42 160.22 105.20
23 195.30 182.80 9.80 265.42 160.92 104.50
24 191.60 180.90 9.80 265.32 161.02 104.30
AVG 176.27 165.20 9.71 265.25 160.94 104.31
MAX 212.80 202.20 9.80 265.42 162.42 106.06
MIN 145.00 134.30 9.70 265.02 159.26 102.80