US Army Corps of Engineers

Lower Monumental Dam

Friday April 23, 2021

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 45.00 11.50 32.90 538.18 438.33 99.85 438.70
2 45.00 11.50 32.90 538.15 438.44 99.71 438.80
3 45.00 11.60 32.80 538.13 438.46 99.67 438.97
4 44.90 11.50 32.80 538.07 438.76 99.31 438.89
5 45.40 11.80 32.90 538.14 438.45 99.69 438.85
6 44.90 11.70 32.60 538.12 438.41 99.71 438.91
7 43.90 13.30 30.00 538.15 438.51 99.64 438.98
8 47.00 16.40 30.00 538.12 438.51 99.61 438.95
9 47.70 16.80 30.40 538.28 438.58 99.70 438.81
10 47.70 16.70 30.40 538.11 438.40 99.71 438.77
11 46.00 11.90 33.50 538.14 438.40 99.74 438.79
12 47.30 11.60 35.10 538.06 438.41 99.65 438.82
13 47.20 11.70 34.90 538.12 438.32 99.80 438.70
14 47.40 11.70 35.10 538.08 438.35 99.73 438.78
15 47.70 11.60 35.50 538.12 438.36 99.76 438.85
16 47.70 11.60 35.50 538.10 438.39 99.71 438.83
17 48.00 11.80 35.70 538.14 438.35 99.79 438.70
18 47.60 11.90 35.10 538.11 438.33 99.78 438.68
19 47.40 16.70 30.10 538.16 438.41 99.75 438.63
20 47.30 16.90 29.80 538.14 438.41 99.73 438.63
21 47.00 16.70 29.70 538.16 438.33 99.83 438.54
22 47.60 16.60 30.40 538.13 438.44 99.69 438.88
23 50.50 11.90 37.90 538.14 438.26 99.88 438.62
24 50.20 11.50 38.10 538.12 438.32 99.80 438.64
AVG 46.89 13.20 33.09 538.13 438.41 99.72 438.78
MAX 50.50 16.90 38.10 538.28 438.76 99.88 438.98
MIN 43.90 11.50 29.70 538.06 438.26 99.31 438.54
BUILDING STRONG®