US Army Corps of Engineers

Lower Monumental Dam

Saturday November 1, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 13.20 12.60 0.00 538.70 438.79 99.91 438.44
2 13.00 12.40 0.00 538.66 438.96 99.70 438.67
3 14.60 12.50 0.00 538.70 438.77 99.93 438.42
4 13.20 12.60 0.00 538.74 438.94 99.80 438.69
5 13.30 12.60 0.10 538.71 439.00 99.71 438.75
6 21.20 12.60 8.10 538.59 438.31 100.28 438.59
7 23.00 12.60 8.20 538.76 438.32 100.44 438.59
8 21.50 12.80 8.10 538.58 438.48 100.10 438.82
9 21.20 12.60 8.00 538.75 438.41 100.34 438.45
10 13.30 12.70 0.00 538.70 438.83 99.87 438.46
11 13.50 12.90 0.00 538.87 438.97 99.90 438.78
12 13.50 12.90 0.00 538.70 438.77 99.93 438.40
13 13.40 12.80 0.00 538.79 438.91 99.88 438.65
14 13.30 12.70 0.00 538.74 438.96 99.78 438.72
15 13.50 12.90 0.00 538.69 438.84 99.85 438.48
16 13.80 13.20 0.00 538.74 439.22 99.52 439.14
17 18.30 17.70 0.00 538.62 439.14 99.48 438.96
18 18.50 17.90 0.00 538.65 439.06 99.59 438.81
19 18.50 17.90 0.00 538.55 439.19 99.36 439.02
20 18.50 17.90 0.00 538.59 439.06 99.53 438.84
21 18.50 17.90 0.00 538.45 439.13 99.32 438.93
22 18.40 17.80 0.00 538.47 439.18 99.29 439.02
23 13.50 12.90 0.00 538.46 439.24 99.22 439.05
24 14.80 12.70 0.00 538.45 439.23 99.22 439.13
1 13.20 12.60 0.00 538.48 438.96 99.52 438.68
AVG 16.03 13.95 1.30 538.65 438.91 99.74 438.74
MAX 23.00 17.90 8.20 538.87 439.24 100.44 439.14
MIN 13.00 12.40 0.00 538.45 438.31 99.22 438.40
BUILDING STRONG®