US Army Corps of Engineers

John Day & Lake Umatilla

July 2020

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 305.80 300.90 128.20 171.60 264.11 263.92 163.41 100.51
2 311.10 306.60 135.10 170.40 264.29 264.11 163.57 100.54
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TOT           
AVG    308.45 303.75 131.65 171.00 264.20 264.01 163.49 100.53
MAX    311.10 306.60 135.10 171.60 264.29 264.11 163.57 100.54
MIN    305.80 300.90 128.20 170.40 264.11 263.92 163.41 100.51