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 24934 1039 48 124.90 135.20 134.10 0.00 263.83 263.91 160.49 103.42
21 21967 915 50 126.30 128.90 118.20 9.80 263.73 263.81 160.14 103.67
22 26171 1090 49 156.50 151.50 140.60 9.80 264.13 263.98 160.29 103.69
23 25615 1067 49 168.50 147.60 136.90 9.80 264.83 264.45 160.32 104.13
24 22820 951 50 134.60 132.00 121.00 9.90 264.83 264.73 159.80 104.93
25 25860 1077 51 133.20 148.90 138.00 9.90 264.23 264.56 160.48 104.08
26 21611 900 53 131.20 126.00 115.10 9.80 264.43 264.38 160.13 104.25
27 25081 1045 55 147.90 145.30 134.50 9.90 264.73 264.53 160.65 103.88
28 23859 994 53 158.10 137.20 126.50 9.90 265.43 265.13 159.91 105.22
29 25277 1053 52 150.30 145.10 134.10 10.00 265.53 265.50 160.38 105.12
30 26944 1123 52 161.30 153.50 142.30 10.00 265.93 265.75 160.22 105.53
31 25758 1073 52 137.20 147.60 136.40 10.00 265.53 265.69 160.30 105.39
TOT717395  1631        
AVG 23142 964 53 127.32 127.18 123.00 3.51 264.83 264.81 160.04 104.77
MAX 26944   168.50 153.50 142.30 10.00 265.93 265.75 160.65 105.79
MIN 19072   97.30 102.40 102.00 0.00 263.73 263.81 159.52 103.42
BUILDING STRONG®