US Army Corps of Engineers

John Day Dam

Monday July 13, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 107.60 58.40 46.40 263.51 160.32 103.19
2 104.80 57.90 46.00 263.51 160.13 103.38
3 104.80 57.90 46.00 263.42 160.11 103.31
4 104.00 57.10 46.00 263.42 160.02 103.40
5 103.70 56.80 46.00 263.52 159.82 103.70
6 105.50 58.60 46.00 263.61 159.72 103.89
7 120.40 73.50 46.00 263.52 159.92 103.60
8 123.10 74.40 46.00 263.52 160.12 103.40
9 124.10 75.40 46.00 263.51 160.12 103.39
10 128.20 79.50 46.00 263.62 160.00 103.62
11 127.20 80.30 46.00 263.62 160.12 103.50
12 129.60 81.00 46.00 263.72 160.02 103.70
13 127.40 80.50 46.00 263.72 160.02 103.70
14 127.90 81.00 46.00 263.72 160.02 103.70
15 147.00 100.20 46.00 263.62 160.32 103.30
16 146.00 99.20 46.00 263.62 160.12 103.50
17 147.10 100.20 46.00 263.62 160.92 102.70
18 169.70 122.80 46.00 263.52 161.22 102.30
19 171.40 124.50 45.90 263.51 161.52 101.99
20 172.50 125.60 45.90 263.52 161.62 101.90
21 173.10 126.30 45.90 263.42 161.62 101.80
22 171.80 125.00 45.90 263.41 161.17 102.24
23 147.80 99.20 45.90 263.52 160.72 102.80
24 125.50 78.60 45.90 263.52 160.32 103.20
AVG 133.76 86.41 45.99 263.55 160.42 103.13
MAX 173.10 126.30 46.40 263.72 161.62 103.89
MIN 103.70 56.80 45.90 263.41 159.72 101.80