Night Light of San Isidro (San José) from space (Costa Rica) Src. Average luminocity for 10x10km area is 38.7749% and for 50x50km: 2.7636%.
Square area 10x10 km:
 1.08%
 5.84%
 3.68%
 6.06%
 5.41%
 10.82%
 13.85%
 8.23%
 6.28%
 29.65%
 9.09%Square area 50x50 km:
 0.04%
 0.52%
 0.3%
 0.25%
 0.28%
 0.5%
 0.76%
 0.66%
 0.59%
 2%
 94.1%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
10° 3' 37.6" North, 84° 24' 0.9" West
9° 22' 2.6" North, 83° 41' 49.7" West
8° 40' 22.7" North, 82° 59' 38.4" West
Some cities around San Isidro sort by population:
• Paraíso
		55.5 km =34.5 mi, 
340°
• Turrialba
		59.8 km =37.2 mi, 
1°
• Cartago
		60.4 km =37.5 mi, 
336°
• Buenos Aires
		45.4 km =28.2 mi, 
118°
• Daniel Flores
		4.7 km =2.9 mi, 
139°
• Quepos
		51.5 km =32 mi, 
277°
• Cot
		61.7 km =38.3 mi, 
341°
• Mercedes
		17.2 km =10.7 mi, 
132°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016