Night Light of Ribeira do Pombal (Bahia) from space (Brazil) Src. Average luminocity for 10x10km area is 32.3139% and for 50x50km: 2.636%.
Square area 10x10 km:
 7.14%
 6.71%
 2.81%
 1.95%
 4.55%
 3.68%
 1.95%
 1.52%
 8.23%
 37.23%
 24.24%Square area 50x50 km:
 0.31%
 0.32%
 0.2%
 0.15%
 0.39%
 0.5%
 0.29%
 0.41%
 0.76%
 1.68%
 94.99%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
10° 8' 35.1" South, 39° 14' 20.3" West
10° 50' 4" South, 38° 32' 9" West
11° 31' 27.2" South, 37° 49' 57.8" West
Some cities around Ribeira do Pombal sort by population:
• Tucano
		31.1 km =19.3 mi, 
243°
• Tobias Barreto
		70.4 km =43.7 mi, 
123°
• Euclides da Cunha
		63.8 km =39.6 mi, 
304°
• Cícero Dantas
		30.9 km =19.2 mi, 
32°
• Olindina
		63.2 km =39.3 mi, 
159°
• Poço Verde
		41 km =25.5 mi, 
69°
• Nova Soure
		44.7 km =27.8 mi, 
172°
• Cipó
		29.6 km =18.4 mi, 
175°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016