US Army Corps of Engineers

Lower Monumental Dam

Friday July 4, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 31.40 12.40 16.90 537.72 437.86 99.86 437.61
2 29.80 12.40 16.80 537.74 437.87 99.87 437.58
3 29.80 12.40 16.80 537.73 438.06 99.67 437.99
4 29.70 12.50 16.70 537.59 438.03 99.56 437.92
5 30.10 12.50 16.90 537.61 438.12 99.49 438.08
6 30.10 12.50 17.00 537.47 438.23 99.24 438.24
7 30.10 12.40 17.10 537.51 438.24 99.27 438.17
8 30.20 12.30 17.30 537.66 438.35 99.31 438.36
9 30.50 12.60 17.30 537.65 438.17 99.48 438.03
10 30.80 12.80 17.40 537.80 438.21 99.59 438.11
11 30.70 12.60 17.50 537.79 438.16 99.63 438.05
12 30.80 12.60 17.60 537.93 438.10 99.83 438.03
13 30.80 12.60 17.70 537.92 438.16 99.76 438.10
14 30.80 12.50 17.70 538.02 438.26 99.76 438.27
15 31.10 12.70 17.80 538.02 438.40 99.62 438.49
16 35.10 17.00 17.60 538.06 438.40 99.66 438.31
17 34.80 17.20 17.10 538.08 438.33 99.75 438.17
18 34.70 17.10 17.00 538.06 438.40 99.66 438.23
19 34.30 17.20 16.50 538.17 438.32 99.85 438.11
20 29.50 12.90 16.00 538.17 438.13 100.04 437.93
21 29.10 12.50 16.00 537.99 438.20 99.79 438.07
22 29.40 12.60 16.20 538.07 438.02 100.05 437.81
23 29.30 12.50 16.10 537.91 438.10 99.81 437.83
24 29.20 12.50 16.10 537.96 438.09 99.87 437.84
AVG 30.92 13.30 16.96 537.86 438.18 99.68 438.06
MAX 35.10 17.20 17.80 538.17 438.40 100.05 438.49
MIN 29.10 12.30 16.00 537.47 437.86 99.24 437.58