Night Light of Pérez (Santa Fe) from space (Argentina) Src. Average luminocity for 10x10km area is 47.5842% and for 50x50km: 23.3733%.
Square area 10x10 km:
 5.49%
 9.16%
 2.38%
 6.59%
 9.89%
 9.16%
 12.09%
 8.24%
 17.4%
 15.02%
 4.58%Square area 50x50 km:
 5.32%
 4.48%
 1.88%
 2.55%
 3.04%
 3.24%
 3.31%
 3.83%
 5.48%
 10.09%
 56.78%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
32° 24' 24" South, 61° 28' 15.7" West
32° 59' 54.1" South, 60° 46' 4.5" West
33° 35' 9.9" South, 60° 3' 53.2" West
Some cities around Pérez sort by population:
• Rosario
		13.3 km =8.3 mi, 
64°
• Gobernador Gálvez
		12.4 km =7.7 mi, 
106°
• Granadero Baigorria
		16.4 km =10.2 mi, 
16°
• Capitán Bermúdez
		20.1 km =12.5 mi, 
13°
• Arroyo Seco
		29.8 km =18.5 mi, 
125°
• Funes
		10 km =6.2 mi, 
336°
• Fray Luis A. Beltrán
		23.3 km =14.5 mi, 
9°
• Roldán
		17.1 km =10.6 mi, 
310°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016