Night Light of Bibra Lake (Western Australia) from space (Australia) Src. Average luminocity for 10x10km area is 84.1066% and for 50x50km: 38.4405%.
Square area 10x10 km:
 19.06%
 26.22%
 13.46%
 22.73%
 13.46%
 4.37%
 0.7%
 0%
 0%
 0%
 0%Square area 50x50 km:
 8.58%
 9.01%
 4.22%
 5.33%
 7.8%
 5.14%
 3.47%
 3.29%
 5.69%
 8.22%
 39.25%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
31° 30' 0.2" South, 115° 6' 57.9" East
32° 5' 51.5" South, 115° 49' 9.2" East
32° 41' 28.8" South, 116° 31' 20.4" East
Some cities around Bibra Lake sort by population:
• Leeming
		5.1 km =3.2 mi, 
60°
• Hamilton Hill
		4 km =2.5 mi, 
291°
• Spearwood
		4 km =2.5 mi, 
257°
• Kardinya
		3.6 km =2.2 mi, 
353°
• Yangebup
		2.6 km =1.6 mi, 
186°
• Beeliar
		4.2 km =2.6 mi, 
196°
• South Lake
		2.4 km =1.5 mi, 
129°
• Coolbellup
		2.2 km =1.4 mi, 
325°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016