US Army Corps of Engineers

Lower Monumental Dam

Thursday May 15, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 99.90 12.50 86.90 537.80 439.48 98.32 440.07
2 90.00 12.50 76.90 537.91 439.25 98.66 440.08
3 90.00 12.40 76.90 537.90 439.24 98.66 439.83
4 90.10 12.50 77.00 537.97 439.29 98.68 439.98
5 90.10 12.40 77.10 537.91 439.32 98.59 440.15
6 89.80 12.40 76.80 537.67 439.33 98.34 440.20
7 91.30 12.80 76.40 537.66 439.47 98.19 440.03
8 85.30 14.40 70.20 537.53 439.31 98.22 439.96
9 85.30 14.50 70.20 537.49 439.30 98.19 440.06
10 85.40 14.70 70.10 537.36 439.26 98.10 439.93
11 85.40 14.70 70.10 537.38 439.20 98.18 439.91
12 84.10 13.40 70.10 537.41 439.16 98.25 439.83
13 89.80 12.60 76.60 537.19 439.30 97.89 439.98
14 90.60 12.70 77.30 537.52 439.29 98.23 440.04
15 90.70 12.70 77.30 537.42 439.26 98.16 440.00
16 90.60 12.80 77.20 537.50 439.25 98.25 439.82
17 90.60 12.70 77.30 537.47 439.31 98.16 440.06
18 90.80 12.90 77.30 537.55 439.31 98.24 440.20
19 90.80 12.80 77.40 537.54 439.31 98.23 440.12
20 90.60 12.70 77.30 537.59 439.29 98.30 440.10
21 90.60 12.60 77.40 537.63 439.39 98.24 440.14
22 90.80 12.70 77.60 537.61 439.31 98.30 440.02
23 92.30 12.80 77.30 537.67 439.39 98.28 440.36
24 90.40 12.70 77.10 537.65 439.31 98.34 440.14
AVG 89.80 13.00 76.08 537.60 439.31 98.29 440.05
MAX 99.90 14.70 86.90 537.97 439.48 98.68 440.36
MIN 84.10 12.40 70.10 537.19 439.16 97.89 439.82