US Army Corps of Engineers

Lower Monumental Dam & Lake

March 2025

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 8941 373 16 50.90 52.20 50.30 1.50 538.78 538.79 439.18 99.61
2 8078 337 17 48.90 47.30 45.50 1.40 539.27 539.13 439.38 99.75
3 8936 372 17 52.40 52.20 50.40 1.40 539.32 539.28 439.81 99.47
4 8687 362 17 49.80 50.80 48.90 1.50 539.00 539.11 439.51 99.60
5 9387 391 16 52.60 55.00 53.20 1.40 538.29 538.89 439.76 99.13
6 7427 309 16 45.10 43.80 42.10 1.30 538.67 538.47 439.43 99.04
7 7807 325 16 47.20 45.70 44.10 1.20 539.11 538.88 439.48 99.40
8 7943 331 17 46.60 46.90 45.20 1.30 538.99 538.68 439.83 98.85
9 538.92
10 538.79
11 538.55
12 538.84
13 538.79
14 538.74
15 537.91
16 537.82
17 538.31
18 539.14
19 538.62
20 538.10
21 537.99
22 537.98
23 538.65
24 538.80
25 539.01
26 538.99
27 539.45
28 538.35
29 538.28
30 538.68
31 538.99
TOT 67206  131        
AVG 8401 350 16 49.19 49.24 47.46 1.38 538.68 538.90 439.55 99.36
MAX 9387   52.60 55.00 53.20 1.50 539.45 539.28 439.83 99.75
MIN 7427   45.10 43.80 42.10 1.20 537.82 538.47 439.18 98.85