US Army Corps of Engineers

John Day Dam

Wednesday July 15, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 121.70 72.40 48.40 263.52 160.02 103.50
2 123.00 71.30 49.00 263.51 160.12 103.39
3 121.30 71.40 49.00 263.52 159.92 103.60
4 124.70 74.80 49.00 263.52 159.82 103.70
5 121.50 71.60 49.00 263.51 159.72 103.79
6 121.60 71.70 49.00 263.62 159.92 103.70
7 134.30 84.30 49.00 263.62 160.02 103.60
8 136.20 86.20 49.00 263.51 159.92 103.59
9 134.00 84.10 49.00 263.62 159.62 104.00
10 117.60 65.80 49.00 263.62 159.52 104.10
11 115.60 65.70 49.10 263.72 159.52 104.20
12 116.40 64.60 49.10 263.81 159.42 104.39
13 116.30 64.60 49.10 263.82 159.42 104.40
14 116.70 64.90 49.10 263.81 159.43 104.38
15 115.60 65.60 49.10 263.82 159.12 104.70
16 115.70 65.80 49.10 263.92 159.53 104.39
17 159.30 109.30 49.10 263.72 160.72 103.00
18 192.10 140.40 49.10 263.51 161.22 102.29
19 183.80 133.90 49.00 263.51 160.92 102.59
20 188.60 138.70 49.00 263.51 160.81 102.70
21 171.10 121.20 49.00 263.41 160.43 102.98
22 171.00 121.00 49.00 263.62 160.48 103.14
23 142.20 92.30 49.00 263.72 159.90 103.82
24 120.70 69.00 49.00 263.72 159.82 103.90
AVG 136.71 86.28 49.01 263.63 159.97 103.66
MAX 192.10 140.40 49.10 263.92 161.22 104.70
MIN 115.60 64.60 48.40 263.41 159.12 102.29