Night Light of Barreiros (Pernambuco) from space (Brazil) Src. Average luminocity for 10x10km area is 19.4401% and for 50x50km: 5.2227%.
Square area 10x10 km:
 0.62%
 0.62% 3.31%
 3.31% 2.89%
 2.89% 3.93%
 3.93% 3.31%
 3.31% 0.21%
 0.21% 3.1%
 3.1% 0.83%
 0.83% 2.48%
 2.48% 15.91%
 15.91% 63.43%
 63.43%Square area 50x50 km:
 0.24%
 0.24% 0.67%
 0.67% 0.78%
 0.78% 0.66%
 0.66% 0.86%
 0.86% 0.44%
 0.44% 0.79%
 0.79% 0.61%
 0.61% 0.61%
 0.61% 3.8%
 3.8% 90.53%
 90.53%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
8° 7' 22.4" South, 35° 53' 22.3" West
8° 49' 6" South, 35° 11' 11" West
9° 30' 44.9" South, 34° 28' 59.8" West
Some cities around Barreiros sort by population:
• Sirinhaém
		26.4 km =16.4 mi,  16°
16°
• Gameleira
		34.1 km =21.2 mi,  319°
319°
• Tamandaré
		11.7 km =7.3 mi,  54°
54°
• Porto Calvo
		34.3 km =21.3 mi,  222°
222°
• Água Preta
		39.8 km =24.7 mi,  288°
288°
• Maragogi
		21.9 km =13.6 mi,  190°
190°
• Rio Formoso
		16.8 km =10.4 mi,  8°
8°
• São José da Coroa Grande
		9.8 km =6.1 mi,  154°
154°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016