US Army Corps of Engineers

John Day Dam

Sunday July 19, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 97.50 57.40 39.20 263.62 159.99 103.63
2 96.80 56.70 39.20 263.62 159.92 103.70
3 97.20 57.20 39.20 263.72 159.62 104.10
4 96.90 56.80 39.20 263.72 159.53 104.19
5 97.70 57.60 39.20 263.72 159.52 104.20
6 95.80 55.70 39.20 263.81 159.32 104.49
7 95.60 55.60 39.10 263.81 159.32 104.49
8 96.00 56.00 39.10 263.92 159.32 104.60
9 112.70 72.70 39.10 263.82 159.72 104.10
10 111.80 71.70 39.10 263.81 159.52 104.29
11 113.40 71.60 39.10 263.91 160.02 103.89
12 112.30 72.20 39.20 264.01 159.72 104.29
13 127.30 85.50 39.10 264.02 160.12 103.90
14 126.10 86.10 39.10 264.01 159.92 104.09
15 128.60 86.80 39.10 263.91 160.52 103.39
16 141.20 101.10 39.10 263.91 160.82 103.09
17 141.50 101.50 39.20 263.92 161.02 102.90
18 144.20 104.10 39.20 263.91 161.32 102.59
19 173.70 131.90 39.10 263.81 162.12 101.69
20 172.40 132.30 39.10 263.72 161.31 102.41
21 174.30 134.30 39.10 263.62 161.13 102.49
22 153.00 112.90 39.10 263.72 160.52 103.20
23 123.20 81.40 39.10 263.81 160.22 103.59
24 106.80 66.70 39.30 263.72 160.02 103.70
AVG 122.33 81.91 39.15 263.82 160.19 103.63
MAX 174.30 134.30 39.30 264.02 162.12 104.60
MIN 95.60 55.60 39.10 263.62 159.32 101.69
BUILDING STRONG®