US Army Corps of Engineers

Lower Granite Dam & Lake

November 2024

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feetMidnight Lewiston Gage ft
1 2586 108 47 16.40 16.60 14.50 1.60 736.71 736.58 635.87 100.71 736.78
2 2193 91 46 15.90 14.30 12.30 1.60 737.13 736.86 636.02 100.84 737.24
3 2778 116 49 16.10 16.90 14.90 1.60 736.86 737.13 636.16 100.97 737.04
4 2720 113 47 16.50 17.50 15.30 1.70 736.69 736.95 636.54 100.41 736.84
5 2363 98 47 16.60 15.40 13.30 1.60 736.97 736.84 636.37 100.47 736.99
6 2509 105 47 16.90 16.20 14.10 1.70 737.09 736.89 636.31 100.58 737.12
7 2743 114 46 16.70 17.60 15.40 1.70 736.83 736.90 636.50 100.40 736.88
8 2734 114 46 16.20 17.50 15.40 1.70 736.50 736.60 636.62 99.98 736.56
9 2356 98 46 15.80 15.40 13.30 1.60 736.65 736.58 636.55 100.03 736.69
10 2410 100 46 16.30 15.60 13.50 1.70 736.81 736.72 636.56 100.16 736.83
11 2428 101 46 16.20 15.80 13.70 1.70 736.89 736.86 636.60 100.26 736.92
12 2892 121 47 17.00 18.50 16.30 1.70 736.60 736.92 636.71 100.21 736.69
13 2711 113 46 16.20 17.30 15.30 1.50 736.44 736.57 636.64 99.93 736.39
14 2731 114 46 16.80 17.50 15.50 1.50 736.16 736.33 636.64 99.69 736.27
15 2107 88 46 16.60 13.90 11.90 1.50 736.89 736.51 636.57 99.94 737.01
16 3278 137 46 17.00 18.80 18.40 0.00 736.42 736.94 636.63 100.31 736.46
17 2553 106 46 16.90 14.80 14.40 0.00 736.85 736.90 636.81 100.09 737.10
18 2935 122 47 16.60 17.00 16.60 0.00 736.80 736.86 637.04 99.82 736.98
19 3217 134 47 17.30 18.80 18.30 0.00 736.46 736.75 636.94 99.81 736.46
20 2851 119 47 17.00 16.50 16.10 0.00 736.61 736.59 636.60 99.99 736.56
21 2831 118 46 16.90 16.50 15.90 0.00 736.47 736.76 636.59 100.17 736.70
22 3330 139 46 16.30 19.20 18.80 0.00 735.97 736.47 636.61 99.86 736.02
23 3734 156 47 19.40 21.70 21.30 0.00 735.38 735.77 636.57 99.20 735.52
24 4151 173 47 23.30 24.20 23.70 0.00 735.08 735.46 636.46 99.00 735.34
25 4043 168 48 22.60 23.70 23.10 0.00 734.86 735.36 636.32 99.04 735.26
26 3611 150 47 20.60 21.20 20.60 0.00 734.81 735.12 636.21 98.91 735.44
27 3737 156 47 19.40 21.90 21.40 0.00 734.16 734.64 636.28 98.36 736.51
28 3156 132 47 18.60 18.40 18.00 0.00 734.15 734.13 635.53 98.60 734.15
29 3253 136 48 18.30 18.90 18.50 0.00 733.91 734.13 634.94 99.19 734.14
30 2978 124 48 17.20 17.30 16.90 0.00 733.93 734.05 634.73 99.32 734.12
1 3278 137 48 16.60 19.10 18.70 0.00 733.40 733.84 634.63 99.21 733.86
TOT 91194  1449         
AVG 2942 123 47 17.43 17.87 16.63 0.79 736.02 736.16 636.31 99.85 736.22
MAX 4151   23.30 24.20 23.70 1.70 737.13 737.13 637.04 100.97 737.24
MIN 2107   15.80 13.90 11.90 0.00 733.40 733.84 634.63 98.36 733.86
BUILDING STRONG®