Night Light of San Luis (Arizona) from space (United States) Src. Average luminocity for 10x10km area is 57.359% and for 50x50km: 11.636%.
Square area 10x10 km:
 18.13%
 17.22%
 0.92%
 2.75%
 6.96%
 7.14%
 7.33%
 4.76%
 13%
 19.96%
 1.83%Square area 50x50 km:
 2.06%
 1.9%
 0.5%
 0.34%
 2.32%
 2.48%
 1.96%
 2.17%
 2.98%
 6.61%
 76.67%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
33° 4' 41.3" North, 115° 29' 7.1" West
32° 29' 13.2" North, 114° 46' 55.8" West
31° 53' 31.1" North, 114° 4' 44.6" West
Some cities around San Luis sort by population:
• Yuma
		30.3 km =18.8 mi, 
29°
• Fortuna Foothills
		39.6 km =24.6 mi, 
61°
• Guadalupe Victoria, MX
		37.5 km =23.3 mi, 
234°
• Somerton
		13.9 km =8.6 mi, 
29°
• Estación Coahuila, MX
		38.5 km =23.9 mi, 
211°
• Ciudad Coahuila (Kilómetro Cincuenta y Siete), MX
		38.5 km =23.9 mi, 
212°
• Tecolots, MX
		20.8 km =12.9 mi, 
295°
• Hermosillo, MX
		13.5 km =8.4 mi, 
281°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016