US Army Corps of Engineers

John Day & Lake Umatilla

October 2024

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 12915 538 45 68.40 71.20 69.00 0.90 265.02 264.95 159.99 104.96
2 15447 644 44 84.70 84.70 82.50 0.90 265.01 265.05 160.15 104.90
3 16584 691 45 72.30 90.40 88.20 0.90 264.32 264.77 159.70 105.07
4 12819 534 44 80.80 70.30 68.30 0.90 264.72 264.58 159.70 104.88
5 72.30 69.80 67.60 0.90 264.82 264.93 159.74 105.19
6 69.90 67.30 64.80 1.10 264.92 264.82 159.57 105.25
7 73.10 75.80 73.70 0.90 264.82 264.90 159.40 105.50
8 67.60 65.00 62.80 0.90 264.92 265.00 159.12 105.88
9 70.40 67.90 65.70 0.80 265.01 264.99 159.10 105.89
10 76.10 83.90 81.40 1.10 264.72 264.91 159.46 105.45
11 82.40 90.30 88.20 0.80 264.41 264.58 159.84 104.74
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TOT 57765  178        
AVG 14441 602 44 74.36 76.05 73.84 0.92 264.79 264.86 159.62 105.25
MAX 16584   84.70 90.40 88.20 1.10 265.02 265.05 160.15 105.89
MIN 12819   67.60 65.00 62.80 0.80 264.32 264.58 159.10 104.74