US Army Corps of Engineers

John Day & Lake Umatilla

February 2021

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 26055 1086 60 133.60 138.70 137.90 0.00 264.23 264.33 159.38 104.95
2 27879 1162 61 144.50 149.70 148.90 0.00 264.03 264.06 159.94 104.12
3 30544 1273 62 154.50 164.50 163.90 0.00 263.63 263.60 159.76 103.84
4 28750 1198 62 148.50 155.80 155.40 0.00 263.33 263.42 160.16 103.26
5 23789 991 61 132.80 127.80 127.40 0.00 263.53 263.22 159.22 104.00
6 27745 1156 62 152.20 149.70 149.30 0.00 263.63 263.36 160.08 103.28
7 22837 952 61 131.90 121.90 121.50 0.00 264.03 263.82 159.48 104.34
8 26995 1125 63 151.80 144.00 143.70 0.00 264.33 264.07 159.57 104.50
9 28770 1199 65 153.50 153.60 153.30 0.00 264.33 264.05 159.60 104.45
10 30735 1281 63 162.00 164.30 163.90 0.00 264.23 264.16 159.78 104.38
11 31689 1320 67 167.40 170.00 169.50 0.00 264.13 264.15 160.01 104.14
12 31830 1326 67 168.00 170.60 170.30 0.00 264.03 263.94 159.98 103.96
13 30683 1278 68 170.20 165.00 164.60 0.00 264.23 263.93 160.09 103.84
14 31463 1311 68 176.10 168.20 167.70 0.00 264.53 264.24 159.93 104.31
15 33590 1400 67 179.10 179.10 178.80 0.00 264.53 264.34 159.92 104.42
16 33181 1383 66 171.40 176.60 176.10 0.00 264.33 264.44 159.66 104.78
17 33378 1391 65 179.40 176.80 176.40 0.00 264.43 264.47 159.24 105.23
18 32845 1369 67 175.10 175.10 174.30 0.60 264.43 264.30 159.55 104.75
19 169.60 182.60 182.20 0.00 263.93 263.99 160.35 103.64
20
21
22
23 263.23
24 263.63
25 126.30 138.70 137.70 0.00 263.33 263.21 159.62 103.59
26
27
28
TOT532759  1156        
AVG 29598 1233 64 157.40 158.63 158.14 0.03 264.00 263.96 159.77 104.19
MAX 33590   179.40 182.60 182.20 0.60 264.53 264.47 160.35 105.23
MIN 22837   126.30 121.90 121.50 0.00 263.23 263.21 159.22 103.26