Night Light of Covina (California) from space (United States) Src. Average luminocity for 10x10km area is 90.5385% and for 50x50km: 59.064%.
Square area 10x10 km:
 29.37%
 33.57%
 12.76%
 18.88%
 5.42%
 0%
 0%
 0%
 0%
 0%
 0%Square area 50x50 km:
 20.14%
 17.11%
 6.28%
 8.45%
 7.21%
 4.28%
 3.8%
 2.1%
 1.97%
 3.92%
 24.74%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
34° 40' 13.1" North, 118° 35' 36.5" West
34° 5' 24" North, 117° 53' 25.2" West
33° 30' 20.6" North, 117° 11' 14" West
Some cities around Covina sort by population:
• West Covina
		5.1 km =3.2 mi, 
242°
• Baldwin Park
		6.5 km =4 mi, 
265°
• Glendora
		5.6 km =3.5 mi, 
24°
• Azusa
		5.1 km =3.2 mi, 
341°
• Valinda
		7 km =4.3 mi, 
224°
• Vincent
		3.2 km =2 mi, 
286°
• Citrus
		2.8 km =1.7 mi, 
357°
• Charter Oak
		4.3 km =2.7 mi, 
70°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016