US Army Corps of Engineers

Lower Monumental Dam

Monday May 19, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 75.90 12.30 63.00 537.62 438.96 98.66 439.53
2 77.30 12.30 63.00 537.66 439.09 98.57 439.73
3 75.90 12.30 63.00 537.61 439.05 98.56 439.62
4 75.80 12.30 62.90 537.67 439.00 98.67 439.67
5 75.80 12.30 62.90 537.34 439.05 98.29 439.55
6 76.00 12.30 63.10 537.68 438.99 98.69 439.60
7 75.90 12.30 63.00 537.73 439.00 98.73 439.76
8 77.30 12.20 62.90 537.76 439.02 98.74 439.58
9 75.90 12.30 63.00 537.75 439.05 98.70 439.72
10 75.90 12.30 63.00 537.81 439.02 98.79 439.64
11 75.90 12.30 63.00 537.84 439.05 98.79 439.60
12 75.90 12.20 63.00 537.85 438.95 98.90 439.41
13 76.00 12.30 63.10 538.00 438.97 99.03 439.54
14 76.00 12.30 63.00 537.82 438.99 98.83 439.67
15 75.90 12.30 63.00 537.84 438.97 98.87 439.40
16 75.90 12.30 63.00 537.74 438.95 98.79 439.61
17 76.00 12.30 63.00 537.77 438.94 98.83 439.46
18 75.80 12.20 63.00 537.72 438.92 98.80 439.55
19 75.90 12.40 62.90 537.70 438.97 98.73 439.53
20 75.70 12.30 62.80 537.71 438.90 98.81 439.45
21 73.80 12.30 60.90 537.69 438.89 98.80 439.36
22 74.00 12.30 61.10 537.65 438.83 98.82 439.25
23 73.80 12.20 60.90 537.70 438.89 98.81 439.48
24 75.20 12.20 60.90 537.59 438.86 98.73 439.47
AVG 75.73 12.28 62.64 537.72 438.97 98.75 439.55
MAX 77.30 12.40 63.10 538.00 439.09 99.03 439.76
MIN 73.80 12.20 60.90 537.34 438.83 98.29 439.25