US Army Corps of Engineers

Lower Monumental Dam

Tuesday May 13, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 130.30 26.80103.00 538.21 440.71 97.50 441.99
2 130.50 26.90103.00 538.19 440.68 97.51 441.84
3 130.40 26.80103.00 538.20 440.68 97.52 441.87
4 130.10 26.40103.10 538.29 440.49 97.80 441.68
5 116.50 12.90103.00 538.16 440.04 98.12 441.31
6 116.10 12.50103.00 537.70 440.08 97.62 441.29
7 116.00 12.40102.90 537.72 440.07 97.65 441.13
8 115.40 12.40102.40 537.39 440.04 97.35 441.49
9 110.80 12.50 97.80 537.40 439.54 97.86 440.50
10 95.90 12.50 82.80 537.34 439.30 98.04 440.14
11 95.80 12.50 82.80 537.39 439.34 98.05 440.38
12 96.00 12.40 83.00 537.39 439.26 98.13 439.84
13 97.50 12.30 83.10 537.39 439.35 98.04 440.21
14 96.70 12.40 83.70 537.83 439.31 98.52 440.13
15 101.10 12.30 88.20 537.77 439.80 97.97 440.79
16 115.80 12.30102.90 537.86 439.94 97.92 441.05
17 139.50 34.50104.40 537.41 441.62 95.79 442.77
18 84.90 55.40 27.50 538.03 438.92 99.11 439.45
19 77.40 26.80 50.10 537.91 439.99 97.92 440.96
20 118.50 12.50105.40 538.41 440.17 98.24 441.31
21 117.80 12.50104.70 538.16 440.24 97.92 441.57
22 118.10 12.50105.00 538.05 440.36 97.69 441.71
23 118.30 12.60105.10 538.11 440.19 97.92 441.41
24 119.50 12.60104.80 538.05 440.21 97.84 441.15
AVG 112.04 18.15 93.11 537.85 440.01 97.83 441.09
MAX 139.50 55.40105.40 538.41 441.62 99.11 442.77
MIN 77.40 12.30 27.50 537.34 438.92 95.79 439.45