Night Light of Grafton (Wisconsin) from space (United States) Src. Average luminocity for 10x10km area is 40.2515% and for 50x50km: 21.3331%.
Square area 10x10 km:
 4.85%
 6.21%
 8.48%
 2.58%
 5.91%
 2.88%
 2.88%
 9.85%
 26.36%
 25%
 5%Square area 50x50 km:
 4.22%
 4.05%
 2.53%
 2.13%
 2.55%
 3.2%
 3.25%
 2.38%
 5.54%
 11.55%
 58.6%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
43° 49' 44.8" North, 88° 39' 23.6" West
43° 19' 11" North, 87° 57' 12.3" West
42° 48' 21.7" North, 87° 15' 1.1" West
Some cities around Grafton sort by population:
• Menomonee Falls
		20.5 km =12.7 mi, 
220°
• Mequon
		13.1 km =8.1 mi, 
208°
• Germantown
		16.3 km =10.1 mi, 
231°
• Brown Deer
		17.4 km =10.8 mi, 
182°
• Port Washington
		9.8 km =6.1 mi, 
39°
• Cedarburg
		3.8 km =2.4 mi, 
227°
• Jackson
		17.3 km =10.7 mi, 
271°
• Fox Point
		18.5 km =11.5 mi, 
166°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016