US Army Corps of Engineers

John Day & Lake Umatilla

February 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 22730 947 53 125.50 120.20 120.10 0.00 265.53 265.63 160.55 105.08
2 24949 1040 53 129.50 132.20 132.00 0.00 265.43 265.40 160.47 104.93
3 24756 1032 54 120.90 131.40 131.30 0.00 265.03 265.04 160.28 104.76
4 23367 974 54 124.10 124.10 124.00 0.00 265.03 265.05 160.37 104.68
5 22978 957 53 114.20 122.10 121.90 0.00 264.73 264.97 160.25 104.72
6 18047 752 52 116.40 95.50 95.30 0.00 265.53 265.05 159.78 105.27
7 20801 867 52 104.00 109.80 109.50 0.00 265.53 265.46 160.04 105.42
8 21528 897 53 92.70 113.60 113.40 0.00 264.73 265.27 159.86 105.41
9 20345 848 53 115.10 107.30 107.10 0.00 265.03 264.83 159.24 105.59
10 20137 839 53 106.60 106.60 106.30 0.00 265.03 265.06 159.89 105.17
11 18989 791 54 105.50 100.30 100.10 0.00 265.23 265.29 159.94 105.35
12 20098 837 53 111.00 105.70 105.60 0.00 265.43 265.48 159.78 105.70
13 20698 862 53 111.40 108.80 108.60 0.00 265.53 265.57 159.83 105.74
14 20192 841 53 114.00 106.20 105.90 0.00 265.83 265.60 159.70 105.90
15 20910 871 53 114.70 109.50 109.40 0.00 266.03 265.95 159.86 106.09
16 24161 1007 53 119.30 127.10 127.00 0.00 265.73 265.77 160.22 105.55
17 23004 959 54 115.50 120.70 120.60 0.00 265.53 265.71 159.85 105.86
18 21695 904 54 114.40 114.40 114.30 0.00 265.53 265.59 160.16 105.43
19 20582 858 53 110.60 108.10 107.90 0.00 265.63 265.39 159.54 105.85
20 90.10 103.20 103.00 0.00 265.13 265.40 159.90 105.50
21 98.00 105.90 105.50 0.00 264.83 265.01 159.99 105.02
22 108.40 108.40 108.30 0.00 264.83 264.82 160.18 104.64
23 104.30 101.70 101.50 0.00 264.93 264.77 160.11 104.66
24 94.90 97.50 97.20 0.00 264.83 264.90 160.24 104.66
25 106.40 101.30 101.10 0.00 265.03 264.93 159.77 105.16
26 112.90 110.30 110.20 0.00 265.13 264.97 160.18 104.79
27
28
29
TOT409968  1012        
AVG 21577 899 53 110.78 111.23 111.04 0.00 265.26 265.27 160.00 105.27
MAX 24949   129.50 132.20 132.00 0.00 266.03 265.95 160.55 106.09
MIN 18047   90.10 95.50 95.30 0.00 264.73 264.77 159.24 104.64