US Army Corps of Engineers

Lower Granite Dam

Sunday March 30, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadLWSI Gage ElevationLWGW NavLock Elevation
1 93.60 85.60 7.60 734.94 637.03 97.91 735.58 637.61
2 93.80 85.90 7.50 734.88 636.95 97.93 735.57 637.56
3 93.60 85.70 7.50 734.82 636.91 97.91 735.53 637.44
4 93.60 85.80 7.40 734.74 636.87 97.87 735.49 637.43
5 99.00 91.40 7.20 734.58 636.86 97.72 735.44 637.46
6 93.80 86.30 7.20 734.53 636.74 97.79 735.39 637.22
7 93.60 86.10 7.10 734.39 636.76 97.63 735.28 637.22
8 97.60 90.30 6.90 734.19 636.74 97.45 735.22 637.35
9 90.80 83.60 6.80 734.26 636.45 97.81 735.13 636.96
10 89.50 82.30 6.80 734.17 636.57 97.60 735.05 637.04
11 90.30 83.20 6.70 734.14 636.42 97.72 734.99 636.86
12 89.00 81.90 6.70 734.18 635.97 98.21 734.95 636.55
13 79.30 72.00 6.90 734.30 635.82 98.48 734.90 636.36
14 78.90 71.60 6.90 734.34 635.78 98.56 734.89 636.37
15 79.30 71.90 7.00 734.43 635.54 98.89 734.92 636.13
16 79.80 72.30 7.10 734.54 635.41 99.13 734.94 636.05
17 80.80 73.20 7.20 734.62 635.64 98.98 734.99 636.10
18 99.40 90.20 7.10 734.47 636.11 98.36 735.04 636.60
19 98.70 91.20 7.10 734.47 635.96 98.51 735.05 636.39
20 99.80 92.40 7.00 734.30 635.94 98.36 735.02 636.45
21 100.60 93.40 6.80 734.16 636.12 98.04 734.99 636.65
22 100.00 93.00 6.70 734.03 635.73 98.30 734.94 636.33
23 84.60 77.50 6.70 734.12 635.28 98.84 734.86 635.85
24 80.20 73.20 6.70 734.05 635.48 98.57 734.79 635.96
AVG 90.82 83.33 7.02 734.40 636.21 98.19 735.12 636.75
MAX 100.60 93.40 7.60 734.94 637.03 99.13 735.58 637.61
MIN 78.90 71.60 6.70 734.03 635.28 97.45 734.79 635.85
BUILDING STRONG®