US Army Corps of Engineers

Bonneville Dam

Sunday May 28, 2023

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsPH 1 Forebay ElevationTailwater ElevationAverage HeadProject Forebay ElevationStevenson Gage ElevationProject Tailwater Elevation
1 289.30 126.40150.50 75.00 22.20 52.80 75.10 77.10 21.90
2 289.10 126.10150.60 74.80 22.10 52.70 75.10 77.10 21.90
3 293.90 131.20150.30 74.90 22.40 52.50 74.90 76.90 22.00
4 293.80 131.20150.20 74.80 22.30 52.50 74.80 76.80 22.00
5 293.80 131.40150.00 74.70 22.30 52.40 74.70 76.70 22.00
6 293.50 131.20149.90 74.60 22.30 52.30 74.60 76.70 21.90
7 293.40 131.30149.70 74.40 22.30 52.10 74.40 76.50 22.00
8 293.80 131.90149.50 74.30 22.30 52.00 74.30 76.40 22.00
9 294.10 132.50149.20 74.30 22.30 52.00 74.20 76.30 21.90
10 294.50 133.10149.00 74.10 22.40 51.70 74.00 76.20 22.00
11 294.40 133.20148.80 74.00 22.30 51.70 74.00 76.00 22.00
12 293.80 132.60148.80 74.00 22.30 51.70 74.00 76.00 22.00
13 288.30 127.00148.90 74.10 22.10 52.00 74.10 76.10 21.80
14 289.30 128.00148.90 74.10 22.00 52.10 74.10 76.20 21.80
15 289.10 127.90148.80 73.80 22.00 51.80 73.90 75.90 21.80
16 289.50 128.80148.30 73.70 22.00 51.70 73.70 75.60 21.70
17 281.60 120.90148.30 73.90 21.70 52.20 73.90 75.90 21.50
18 280.70 119.60148.70 74.20 21.60 52.60 74.20 76.20 21.40
19 280.60 119.10149.10 74.10 21.60 52.50 74.20 76.20 21.40
20 287.20 125.70149.10 74.00 21.90 52.10 74.30 76.30 21.50
21 288.30 126.60149.30 74.40 21.80 52.60 74.40 76.40 21.60
22 76.60
23
24
AVG 290.10 128.37149.33 74.30 22.10 52.19 74.33 76.37 21.81
MAX 294.50 133.20150.60 75.00 22.40 52.80 75.10 77.10 22.00
MIN 280.60 119.10148.30 73.70 21.60 51.70 73.70 75.60 21.40

  Powerhouse 1 Powerhouse 2 Project
HourGeneration Flow kcfsForebay ElevationForebay ElevationGeneration Flow kcfsSpillway Gates in UseMiscellaneous Flow kcfs
1 31.60 75.0 75.1 94.80 18 12.4
2 31.60 74.8 75.1 94.50 18 12.4
3 36.00 74.9 74.9 95.20 18 12.4
4 36.10 74.8 74.8 95.10 18 12.4
5 36.50 74.7 74.7 94.90 18 12.4
6 36.40 74.6 74.6 94.80 18 12.4
7 36.40 74.4 74.4 94.90 18 12.4
8 37.00 74.3 74.3 94.90 18 12.4
9 36.70 74.3 74.2 95.80 18 12.4
10 36.90 74.1 74.0 96.20 18 12.4
11 36.80 74.0 74.0 96.40 18 12.4
12 36.70 74.0 74.0 95.90 18 12.4
13 32.40 74.1 74.1 94.60 18 12.4
14 33.20 74.1 74.1 94.80 18 12.4
15 33.30 73.8 73.9 94.60 18 12.4
16 32.80 73.7 73.7 96.00 18 12.4
17 25.30 73.9 73.9 95.60 18 12.4
18 24.40 74.2 74.2 95.20 18 12.4
19 23.90 74.1 74.2 95.20 18 12.4
20 28.60 74.0 74.3 97.10 18 12.4
21 28.70 74.4 74.4 97.90 18 12.4
22
23
24
AVG 32.92 74.3 74.3 95.45 18 12.4
MAX 37.00 75.0 75.1 97.90 18 12.4
MIN 23.90 73.7 73.7 94.50 18 12.4
BUILDING STRONG®