Night Light of Castro Alves (Bahia) from space (Brazil) Src. Average luminocity for 10x10km area is 7.842% and for 50x50km: 4.7405%.
Square area 10x10 km:
 0%
 3.46%
 0%
 0%
 1.95%
 1.52%
 0.87%
 1.08%
 0.65%
 0.87%
 89.61%Square area 50x50 km:
 0.25%
 0.9%
 0.15%
 0.28%
 0.64%
 1.04%
 0.95%
 1.46%
 1.36%
 3.25%
 89.71%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
12° 4' 44" South, 40° 7' 53.3" West
12° 45' 56" South, 39° 25' 42" West
13° 27' 1.3" South, 38° 43' 30.8" West
Some cities around Castro Alves sort by population:
• Santo Antônio de Jesus
		29 km =18 mi, 
141°
• Cruz das Almas
		37 km =23 mi, 
73°
• Santo Estêvão
		41.9 km =26 mi, 
27°
• Amargosa
		35.1 km =21.8 mi, 
213°
• Muritiba
		25.6 km =15.9 mi, 
130°
• Sobradinho
		36.4 km =22.6 mi, 
101°
• Mutuípe
		52.1 km =32.4 mi, 
189°
• Conceição do Almeida
		28.1 km =17.5 mi, 
93°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016