US Army Corps of Engineers

John Day Dam

Thursday August 28, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 107.60 87.00 19.60 264.04 159.82 104.22
2 108.80 86.60 19.50 263.85 160.12 103.73
3 108.50 86.30 19.50 263.83 160.02 103.81
4 107.00 86.60 19.50 263.93 160.20 103.73
5 106.40 85.90 19.50 263.94 160.12 103.82
6 106.50 86.10 19.50 263.86 160.42 103.44
7 117.70 95.80 21.10 263.82 160.42 103.40
8 117.10 95.00 21.20 263.81 160.42 103.39
9 117.60 95.60 21.20 263.81 160.42 103.39
10 118.50 96.40 21.20 264.02 160.42 103.60
11 116.60 94.80 21.00 264.12 160.62 103.50
12 119.90 96.70 20.40 264.12 160.94 103.18
13 116.50 95.40 20.20 264.14 160.52 103.62
14 116.80 95.90 20.00 264.13 160.82 103.31
15 139.40 118.50 20.00 264.03 161.32 102.71
16 170.30 149.30 20.00 264.02 161.49 102.53
17 170.20 149.30 20.00 264.03 161.12 102.91
18 170.90 150.00 20.00 264.02 161.22 102.80
19 170.70 149.80 20.00 264.02 160.92 103.10
20 172.50 149.80 20.00 263.92 160.92 103.00
21 169.70 148.80 20.00 263.81 160.62 103.19
22 143.90 123.00 20.00 263.90 160.12 103.78
23 106.20 83.50 20.00 264.04 159.72 104.32
24 101.80 80.90 20.00 264.03 159.92 104.11
AVG 129.21 107.79 20.14 263.97 160.53 103.44
MAX 172.50 150.00 21.20 264.14 161.49 104.32
MIN 101.80 80.90 19.50 263.81 159.72 102.53
BUILDING STRONG®