US Army Corps of Engineers

John Day Dam

Wednesday August 27, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 91.10 70.70 19.50 263.89 159.12 104.77
2 90.90 70.50 19.50 263.80 158.82 104.98
3 94.40 72.20 19.50 263.82 159.08 104.74
4 94.00 73.60 19.50 264.01 159.06 104.95
5 97.80 77.30 19.50 264.01 159.32 104.69
6 103.30 81.10 19.50 264.01 159.42 104.59
7 107.00 85.00 21.10 264.01 159.52 104.49
8 105.70 83.60 21.20 264.11 159.92 104.19
9 117.90 95.80 21.20 264.12 160.22 103.90
10 119.90 97.80 21.20 264.21 160.12 104.09
11 119.90 97.70 21.30 264.21 160.32 103.89
12 122.10 98.20 21.30 264.21 160.72 103.49
13 132.40 110.20 21.30 264.20 160.51 103.69
14 133.70 111.50 21.30 264.30 160.82 103.48
15 134.30 110.30 21.30 264.28 160.62 103.66
16 136.20 112.20 21.30 264.37 160.92 103.45
17 160.10 137.90 21.30 264.37 161.21 103.16
18 162.40 140.20 21.30 264.18 160.98 103.20
19 161.90 139.80 21.20 264.16 161.12 103.04
20 162.70 140.60 21.20 264.15 161.32 102.83
21 162.00 139.90 21.20 264.15 160.92 103.23
22 142.40 121.10 20.40 264.14 160.62 103.52
23 121.70 101.20 19.70 264.14 160.12 104.02
24 107.10 86.50 19.70 264.24 160.12 104.12
AVG 124.20 102.29 20.65 264.13 160.20 103.92
MAX 162.70 140.60 21.30 264.37 161.32 104.98
MIN 90.90 70.50 19.50 263.80 158.82 102.83
BUILDING STRONG®