US Army Corps of Engineers

Lower Monumental Dam

Tuesday June 2, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 59.80 12.20 45.60 538.39 438.40 99.99 438.63
2 58.10 12.10 45.40 538.42 438.45 99.97 438.55
3 58.20 12.10 45.40 538.33 438.47 99.86 438.57
4 58.10 12.20 45.30 538.48 438.40 100.08 438.48
5 60.40 12.90 45.40 538.16 438.55 99.61 438.38
6 58.40 12.50 45.30 538.31 438.49 99.82 438.68
7 59.70 12.20 45.40 538.29 438.51 99.78 438.64
8 58.10 12.20 45.30 538.31 438.48 99.83 438.64
9 58.20 12.10 45.50 538.28 438.54 99.74 438.65
10 58.30 12.20 45.50 538.35 438.52 99.83 438.78
11 58.90 12.10 46.20 538.36 438.53 99.83 438.65
12 58.80 12.30 46.00 538.42 438.51 99.91 438.64
13 54.80 12.10 42.10 538.44 438.51 99.93 438.61
14 54.90 12.10 42.20 538.32 438.55 99.77 438.61
15 55.20 12.50 42.10 538.36 438.39 99.97 438.57
16 54.70 12.20 41.90 538.30 438.41 99.89 438.52
17 54.70 12.10 41.90 538.34 438.46 99.88 438.63
18 54.70 12.20 41.90 538.26 438.46 99.80 438.60
19 54.70 12.20 41.90 538.27 438.44 99.83 438.65
20 54.80 12.20 42.00 538.24 438.45 99.79 438.83
21 54.90 12.30 42.00 538.22 438.47 99.75 438.67
22 54.80 12.20 41.90 538.23 438.48 99.75 438.66
23 50.60 12.20 37.80 538.26 438.38 99.88 438.53
24 50.60 12.20 37.90 538.29 438.40 99.89 438.41
AVG 56.43 12.23 43.41 538.32 438.47 99.85 438.61
MAX 60.40 12.90 46.20 538.48 438.55 100.08 438.83
MIN 50.60 12.10 37.80 538.16 438.38 99.61 438.38