US Army Corps of Engineers

Bonneville Dam

Thursday February 25, 2021

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsPH 1 Forebay ElevationTailwater ElevationAverage HeadProject Forebay ElevationStevenson Gage ElevationProject Tailwater Elevation
1 160.60 155.20 0.00 74.30 15.30 59.00 74.40 75.30 15.10
2 161.10 155.70 0.00 74.10 15.20 58.90 74.10 75.00 15.00
3 161.30 155.90 0.00 74.00 15.20 58.80 74.10 74.90 14.80
4 161.30 155.90 0.00 74.00 15.20 58.80 74.10 74.90 14.80
5 162.30 156.90 0.00 73.70 15.20 58.50 73.90 74.70 14.90
6 172.60 167.20 0.00 73.40 15.80 57.60 73.60 74.60 15.30
7 178.90 171.20 2.30 73.10 16.10 57.00 73.40 74.30 15.60
8 179.60 171.90 2.30 73.20 16.20 57.00 73.40 74.30 15.70
9
10 163.20 155.50 2.30 73.50 15.50 58.00 73.70 74.40 15.20
11 164.10 154.40 2.30 73.40 15.30 58.10 73.50 74.40 15.20
12 164.90 155.20 2.30 73.50 15.20 58.30 73.50 74.40 15.00
13 161.40 151.70 2.30 73.50 15.20 58.30 73.60 74.40 14.90
14 163.40 153.70 2.30 73.50 15.30 58.20 73.50 74.40 15.00
15 154.30 144.60 2.30 73.60 14.70 58.90 73.60 74.50 14.60
16 149.30 139.60 2.30 73.40 14.70 58.70 73.40 74.50 14.60
17 160.50 150.80 2.30 73.30 15.10 58.20 73.30 74.30 14.80
18 162.10 152.40 2.30 73.30 15.20 58.10 73.30 74.20 14.90
19 158.60 150.10 1.10 73.60 15.10 58.50 73.70 74.40 14.90
20 156.70 149.30 0.00 73.80 15.00 58.80 73.80 74.50 14.90
21 141.40 134.00 0.00 74.00 14.30 59.70 74.00 74.70 14.30
22
23
24
AVG 161.88 154.06 1.32 73.61 15.24 58.37 73.70 74.55 14.97
MAX 179.60 171.90 2.30 74.30 16.20 59.70 74.40 75.30 15.70
MIN 141.40 134.00 0.00 73.10 14.30 57.00 73.30 74.20 14.30

  Powerhouse 1 Powerhouse 2 Project
HourGeneration Flow kcfsForebay ElevationForebay ElevationGeneration Flow kcfsSpillway Gates in UseMiscellaneous Flow kcfs
1 84.00 74.3 74.4 71.20 0 5.4
2 84.10 74.1 74.1 71.60 0 5.4
3 84.40 74.0 74.1 71.50 0 5.4
4 84.50 74.0 74.1 71.40 0 5.4
5 85.30 73.7 73.9 71.60 0 5.4
6 94.90 73.4 73.6 72.30 0 5.4
7 97.30 73.1 73.4 73.90 2 5.4
8 98.10 73.2 73.4 73.80 2 5.4
9
10 94.40 73.5 73.7 61.10 2 5.4
11 92.60 73.4 73.5 61.80 2 7.4
12 90.10 73.5 73.5 65.10 2 7.4
13 78.50 73.5 73.6 73.20 2 7.4
14 80.20 73.5 73.5 73.50 2 7.4
15 71.40 73.6 73.6 73.20 2 7.4
16 66.30 73.4 73.4 73.30 2 7.4
17 75.90 73.3 73.3 74.90 2 7.4
18 77.00 73.3 73.3 75.40 2 7.4
19 76.30 73.6 73.7 73.80 0 7.4
20 75.70 73.8 73.8 73.60 0 7.4
21 60.50 74.0 74.0 73.50 0 7.4
22
23
24
AVG 82.58 73.6 73.7 71.49 1 6.5
MAX 98.10 74.3 74.4 75.40 2 7.4
MIN 60.50 73.1 73.3 61.10 0 5.4
BUILDING STRONG®