Night Light of Humaitá (Amazonas) from space (Brazil) Src. Average luminocity for 10x10km area is 15.5325% and for 50x50km: 0.6411%.
Square area 10x10 km:
 1.52%
 2.81%
 2.6%
 1.73%
 3.46%
 1.73%
 1.08%
 1.08%
 0.87%
 2.6%
 80.52%Square area 50x50 km:
 0.06%
 0.11%
 0.1%
 0.07%
 0.13%
 0.07%
 0.05%
 0.05%
 0.03%
 0.1%
 99.23%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
6° 49' 8" South, 63° 44' 3" West
7° 30' 59.4" South, 63° 1' 51.8" West
8° 12' 46.9" South, 62° 19' 40.5" West
Some cities around Humaitá sort by population:
• Porto Velho
		168.5 km =104.7 mi, 
214°
• Ariquemes
		266.5 km =165.6 mi, 
180°
• Coari
		381.7 km =237.2 mi, 
358°
• Jaru
		330.8 km =205.5 mi, 
169°
• Aripuanã
		321.3 km =199.6 mi, 
124°
• Ouro Preto do Oeste
		370.3 km =230.1 mi, 
166°
• Manicoré
		269.4 km =167.4 mi, 
45°
• Canutama
		184.9 km =114.9 mi, 
306°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016