US Army Corps of Engineers

Lower Granite Dam

Monday March 31, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadLWSI Gage ElevationLWGW NavLock Elevation
1 80.40 73.30 6.60 734.09 635.17 98.92 734.78 635.74
2 79.40 72.20 6.70 734.23 634.86 99.37 734.78 635.47
3 80.00 72.80 6.80 734.26 634.99 99.27 734.78 635.58
4 80.40 73.10 6.90 734.25 635.18 99.07 734.78 635.66
5 104.50 97.40 6.70 734.00 635.77 98.23 734.80 636.20
6 104.30 97.40 6.50 733.89 635.71 98.18 734.77 636.08
7 104.60 97.80 6.40 733.61 635.69 97.92 734.71 636.11
8 101.80 95.30 6.10 733.43 635.51 97.92 734.60 636.04
9 87.30 79.10 6.10 733.54 634.66 98.88 734.50 635.27
10 69.40 62.80 6.20 733.64 634.46 99.18 734.38 635.07
11 67.80 61.20 6.30 733.74 634.68 99.06 734.35 635.24
12 67.30 60.50 6.40 733.97 634.18 99.79 734.37 634.83
13 55.10 48.00 6.70 734.24 634.08 100.16 734.41 634.71
14 56.00 48.70 6.90 734.39 634.12 100.27 734.51 634.90
15 55.90 48.30 7.20 734.85 633.86 100.99 734.65 634.61
16 56.60 48.60 7.60 735.08 633.88 101.20 734.79 634.69
17 56.40 48.20 7.80 735.26 634.35 100.91 734.95 635.07
18 75.60 67.30 7.90 735.29 634.80 100.49 735.33 635.76
19 93.20 84.90 7.90 735.26 635.15 100.11 735.84 635.77
20 94.10 85.80 7.90 735.19 634.89 100.30 735.74 635.63
21 94.20 86.10 7.80 735.00 635.18 99.82 735.66 635.77
22 94.50 86.50 7.60 734.92 634.97 99.95 735.61 635.71
23 94.70 86.70 7.50 734.85 634.91 99.94 735.56 635.61
24 86.10 78.30 7.40 734.79 634.80 99.99 735.50 635.39
AVG 80.82 73.35 7.00 734.41 634.83 99.58 734.92 635.45
MAX 104.60 97.80 7.90 735.29 635.77 101.20 735.84 636.20
MIN 55.10 48.00 6.10 733.43 633.86 97.92 734.35 634.61
BUILDING STRONG®