US Army Corps of Engineers

John Day & Lake Umatilla

June 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 19808 825 45 206.60 217.00 106.00 109.60 265.03 265.17 160.77 104.40
2 19246 802 46 190.80 203.80 103.40 99.10 264.53 264.79 160.72 104.07
3 17931 747 48 182.40 192.90 97.30 94.30 264.13 264.04 160.96 103.08
4 21271 886 48 230.90 225.70 116.10 108.20 264.33 264.11 161.55 102.56
5 22468 936 48 237.30 245.10 123.00 120.80 264.03 264.23 161.93 102.30
6 22664 944 49 255.40 260.40 124.40 134.60 263.83 264.07 162.05 102.02
7 23544 981 48 266.00 268.40 130.10 137.30 263.73 263.84 162.35 101.49
8 21720 905 48 248.60 243.70 119.10 123.30 263.93 263.92 161.80 102.12
9 21134 881 48 229.90 237.40 116.30 119.80 263.62 263.71 161.88 101.83
10 20942 873 47 227.40 224.90 115.50 108.00 263.72 263.72 161.85 101.87
11 21195 883 48 229.70 227.20 116.40 109.50 263.83 263.71 161.62 102.09
12 22388 933 48 242.60 243.10 123.10 118.80 263.83 264.11 162.06 102.05
13 21765 907 48 224.50 239.30 119.70 118.20 263.23 263.61 161.71 101.90
14 222.00 217.10 111.10 104.80 263.43 263.48 161.49 101.99
15 194.00 186.50 93.20 91.80 263.73 263.29 160.78 102.51
16 174.70 172.20 110.90 59.90 263.82 263.85 161.20 102.65
17 183.30 178.20 114.90 62.10 264.03 263.70 161.54 102.16
18 193.30 188.10 120.90 65.80 264.23 264.10 161.25 102.85
19 185.10 200.30 129.80 69.00 263.63 263.89 161.67 102.22
20 172.70 170.20 109.50 59.40 263.73 263.59 160.59 103.00
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TOT276076  620        
AVG 21237 885 48 214.86 217.07 115.04 100.72 263.92 263.95 161.49 102.46
MAX 23544   266.00 268.40 130.10 137.30 265.03 265.17 162.35 104.40
MIN 17931   172.70 170.20 93.20 59.40 263.23 263.29 160.59 101.49