Night Light of Lake Station (Indiana) from space (United States) Src. Average luminocity for 10x10km area is 68.1688% and for 50x50km: 34.431%.
Square area 10x10 km:
 4.87%
 8.77%
 12.01%
 14.61%
 26.79%
 20.94%
 9.9%
 2.11%
 0%
 0%
 0%Square area 50x50 km:
 6.84%
 6.14%
 4.09%
 4.54%
 5.9%
 5.7%
 4.76%
 4.97%
 7.29%
 11.1%
 38.68%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
42° 5' 56" North, 87° 56' 31.4" West
41° 34' 30.1" North, 87° 14' 20.1" West
41° 2' 48.8" North, 86° 32' 8.9" West
Some cities around Lake Station sort by population:
• Gary
		9.2 km =5.7 mi, 
282°
• Portage
		5.2 km =3.2 mi, 
88°
• Merrillville
		12.9 km =8 mi, 
217°
• Hobart
		4.9 km =3 mi, 
195°
• Highland
		17.9 km =11.1 mi, 
262°
• Griffith
		16.2 km =10.1 mi, 
251°
• Chesterton
		15.1 km =9.4 mi, 
74°
• South Haven
		9.2 km =5.7 mi, 
113°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016