US Army Corps of Engineers

Rock Island Dam

Wednesday August 19, 2020

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 143.40 122.60 20.80 612.80 574.68 38.12
2 156.20 135.30 20.90 612.72 574.76 37.96
3 132.40 119.20 13.20 612.94 574.27 38.67
4 130.00 122.80 7.20 612.69 574.24 38.45
5 127.00 119.80 7.20 612.86 573.87 38.99
6 129.70 122.50 7.20 612.64 574.51 38.13
7 136.00 120.50 15.50 612.63 574.27 38.36
8 138.00 110.30 27.70 612.69 574.40 38.29
9 151.50 107.60 43.90 612.34 574.51 37.83
10 139.60 103.10 36.50 612.14 574.24 37.90
11 134.40 124.20 10.20 612.21 574.32 37.89
12 133.60 126.40 7.20 612.26 574.21 38.05
13 135.10 127.90 7.20 612.33 574.54 37.79
14 137.00 129.80 7.20 612.71 574.38 38.33
15 143.20 137.90 5.30 612.70 574.57 38.13
16 140.70 138.30 2.40 612.81 574.46 38.35
17 139.60 137.20 2.40 612.80 574.51 38.29
18 136.50 134.10 2.40 612.74 574.41 38.33
19 136.90 134.50 2.40 612.72 574.52 38.20
20 135.80 133.40 2.40 612.59 574.26 38.33
21 132.30 129.90 2.40 612.62 574.26 38.36
22 134.20 131.80 2.40 612.59 574.24 38.35
23 134.10 131.70 2.40 612.63 574.18 38.45
24 128.60 126.20 2.40 612.62 573.97 38.65
AVG 136.91 126.12 10.78 612.62 574.36 38.26
MAX 156.20 138.30 43.90 612.94 574.76 38.99
MIN 127.00 103.10 2.40 612.14 573.87 37.79