Night Light of Bay Point (California) from space (United States) Src. Average luminocity for 10x10km area is 38.4838% and for 50x50km: 26.7077%.
Square area 10x10 km:
 1.14%
 1.46%
 0.97%
 9.74%
 13.47%
 5.36%
 7.79%
 10.23%
 24.19%
 23.38%
 2.27%Square area 50x50 km:
 3.44%
 3.77%
 1.52%
 4.12%
 4.97%
 5.42%
 4.94%
 3.96%
 10.02%
 15.83%
 42.02%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 34' 51" North, 122° 39' 53.1" West
38° 1' 44.7" North, 121° 57' 41.9" West
37° 28' 23.3" North, 121° 15' 30.6" West
Some cities around Bay Point sort by population:
• Concord
		8.3 km =5.2 mi, 
226°
• Antioch
		13.9 km =8.6 mi, 
101°
• Pittsburg
		6.7 km =4.2 mi, 
91°
• Martinez
		15.1 km =9.4 mi, 
265°
• Pleasant Hill
		12.5 km =7.8 mi, 
223°
• Clayton
		10 km =6.2 mi, 
166°
• Contra Costa Centre
		14.1 km =8.8 mi, 
216°
• Waldon
		14.1 km =8.8 mi, 
215°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016