Night Light of Grajaú (Maranhão) from space (Brazil) Src. Average luminocity for 10x10km area is 30.3946% and for 50x50km: 1.5614%.
Square area 10x10 km:
 2.27%
 7.85%
 4.13%
 2.27%
 3.93%
 6.4%
 4.96%
 1.86%
 2.07%
 31.82%
 32.44%Square area 50x50 km:
 0.09%
 0.33%
 0.17%
 0.09%
 0.21%
 0.27%
 0.27%
 0.17%
 0.16%
 1.41%
 96.82%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
5° 7' 10.3" South, 46° 50' 30.3" West
5° 49' 10" South, 46° 8' 19" West
6° 31' 6.6" South, 45° 26' 7.8" West
Some cities around Grajaú sort by population:
• Imperatriz
		153.2 km =95.2 mi, 
282°
• Barra do Corda
		105 km =65.2 mi, 
70°
• Tuntum
		176.3 km =109.5 mi, 
69°
• Porto Franco
		150.8 km =93.7 mi, 
247°
• Riachão
		179.5 km =111.5 mi, 
197°
• Bom Jardim
		138.5 km =86.1 mi, 
195°
• Amarante do Maranhão
		72.5 km =45 mi, 
292°
• São Raimundo das Mangabeiras
		152.2 km =94.6 mi, 
151°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016