US Army Corps of Engineers

John Day & Lake Umatilla

March 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 21916 913 53 126.40 115.90 115.30 0.00 265.63 265.51 159.98 105.53
2 23547 981 56 124.00 124.00 123.50 0.00 265.63 265.62 159.83 105.79
3 23816 992 57 110.40 126.10 125.70 0.00 265.03 265.36 160.12 105.24
4 22651 944 56 107.10 120.20 119.80 0.00 264.53 264.64 159.66 104.98
5 20497 854 56 111.80 109.10 108.70 0.00 264.63 264.44 159.82 104.62
6 21909 913 56 118.90 116.30 115.90 0.00 264.73 264.70 159.71 104.99
7 21119 880 56 111.90 111.90 111.50 0.00 264.73 264.81 159.59 105.22
8 22068 920 56 116.80 116.80 116.40 0.00 264.73 264.80 159.52 105.28
9 19342 806 56 107.70 102.40 102.00 0.00 264.93 264.85 159.55 105.30
10 19072 795 52 97.30 105.60 105.20 0.00 264.73 264.83 159.80 105.03
11 21786 908 55 126.20 115.60 115.20 0.00 264.93 264.80 159.83 104.97
12 21558 898 54 104.10 114.60 114.20 0.00 264.73 264.86 160.03 104.83
13 21609 900 53 125.50 118.10 117.70 0.00 264.93 264.82 160.08 104.74
14 22584 941 53 117.60 120.20 119.80 0.00 264.83 264.89 160.26 104.63
15 23853 994 51 129.40 126.80 126.40 0.00 264.93 264.82 160.18 104.64
16 22937 956 50 123.80 121.20 120.80 0.00 265.13 264.98 160.01 104.97
17 23729 989 49 118.00 125.90 125.30 0.00 264.83 264.80 160.16 104.64
18 22567 940 49 116.80 119.40 118.80 0.00 264.63 264.67 159.57 105.10
19 24940 1039 48 123.20 133.70 133.10 0.00 264.23 264.46 160.41 104.05
20 124.90 135.20 134.10 0.00 263.83 263.91 160.49 103.42
21 126.30 128.90 118.20 9.80 263.73 263.81 160.14 103.67
22 156.50 151.50 140.60 9.80 264.13 263.98 160.29 103.69
23 168.50 147.60 136.90 9.80 264.83 264.45 160.32 104.13
24 134.60 132.00 121.00 9.90 264.83 264.73 159.80 104.93
25 133.20 148.90 138.00 9.90 264.23 264.56 160.48 104.08
26 131.20 126.00 115.10 9.80 264.43 264.38 160.13 104.25
27 264.73
28
29
30
31
TOT421499  1017        
AVG 22184 924 54 122.77 123.61 120.74 2.27 264.71 264.71 159.99 104.72
MAX 24940   168.50 151.50 140.60 9.90 265.63 265.62 160.49 105.79
MIN 19072   97.30 102.40 102.00 0.00 263.73 263.81 159.52 103.42