US Army Corps of Engineers

Lower Granite Dam

Tuesday April 1, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadLWSI Gage ElevationLWGW NavLock Elevation
1 87.50 78.10 7.40 734.72 634.75 99.97 735.44 635.38
2 86.40 78.70 7.30 734.67 634.73 99.94 735.40 635.37
3 84.90 77.30 7.30 734.64 634.69 99.95 735.34 635.19
4 86.30 78.70 7.20 734.51 635.07 99.44 735.29 635.45
5 104.50 97.10 6.90 734.28 635.45 98.83 735.24 635.93
6 106.10 98.90 6.80 734.10 635.41 98.69 735.15 635.91
7 107.00 100.10 6.50 733.81 635.56 98.25 735.01 636.09
8 104.10 97.40 6.30 733.61 635.29 98.32 734.89 635.86
9 83.80 75.40 6.20 733.65 634.63 99.02 734.71 635.18
10 78.80 72.20 6.20 733.55 634.89 98.66 734.56 635.36
11 79.70 73.20 6.10 733.54 634.85 98.69 734.49 635.45
12 79.40 72.90 6.20 733.62 634.54 99.08 734.40 635.03
13 79.00 72.50 6.20 733.58 634.47 99.11 734.33 635.00
14 72.50 65.90 6.20 733.68 633.99 99.69 734.30 634.61
15 68.90 62.20 6.30 733.79 633.95 99.84 734.28 634.55
16 68.30 61.50 6.40 733.85 634.15 99.70 734.29 634.73
17 68.70 61.80 6.50 733.93 634.19 99.74 734.34 634.78
18 80.10 73.20 6.50 733.91 634.39 99.52 734.39 635.01
19 81.70 73.10 6.50 733.92 634.27 99.65 734.43 634.99
20 78.80 71.90 6.50 733.92 634.31 99.61 734.43 634.84
21 80.50 73.60 6.50 733.86 634.38 99.48 734.43 635.04
22 82.50 73.90 6.40 733.83 634.49 99.34 734.42 635.06
23 93.50 86.80 6.30 733.65 634.84 98.81 734.41 635.49
24 93.30 86.70 6.20 733.57 634.52 99.05 734.37 635.03
AVG 84.85 77.63 6.54 733.92 634.66 99.27 734.68 635.22
MAX 107.00 100.10 7.40 734.72 635.56 99.97 735.44 636.09
MIN 68.30 61.50 6.10 733.54 633.95 98.25 734.28 634.55