US Army Corps of Engineers

John Day Dam

Tuesday September 15, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 61.40 58.90 1.60 264.72 159.52 105.20
2 61.40 58.90 1.60 264.82 159.73 105.09
3 61.90 59.40 1.60 264.82 159.42 105.40
4 61.80 59.30 1.60 264.82 159.52 105.30
5 61.60 59.10 1.60 264.72 159.72 105.00
6 72.70 68.40 1.60 264.72 159.74 104.98
7 71.40 68.90 1.60 264.72 159.52 105.20
8 70.70 68.20 1.60 264.82 159.72 105.10
9 71.10 68.60 1.60 264.82 159.52 105.30
10 61.30 58.80 1.60 264.82 159.42 105.40
11 61.30 58.60 1.60 264.82 159.62 105.20
12 60.90 58.20 1.60 264.82 159.42 105.40
13 61.00 58.50 1.60 264.72 159.62 105.10
14 60.90 58.40 1.60 264.72 159.52 105.20
15 60.90 58.40 1.60 264.72 159.42 105.30
16 60.50 58.00 1.60 264.72 159.52 105.20
17 72.00 67.70 1.60 264.72 160.18 104.54
18 75.70 73.20 1.60 264.72 159.62 105.10
19 75.70 73.20 1.60 264.72 160.32 104.40
20 77.90 73.60 1.60 264.92 159.92 105.00
21 74.70 72.20 1.60 265.02 159.82 105.20
22 61.20 58.70 1.60 265.02 159.52 105.50
23 61.10 58.60 1.60 264.82 159.72 105.10
24 60.50 58.00 1.60 264.82 159.62 105.20
AVG 65.82 63.07 1.60 264.80 159.65 105.14
MAX 77.90 73.60 1.60 265.02 160.32 105.50
MIN 60.50 58.00 1.60 264.72 159.42 104.40
BUILDING STRONG®