Night Light of Yulee (Florida) from space (United States) Src. Average luminocity for 10x10km area is 27.3374% and for 50x50km: 19.5029%.
Square area 10x10 km:
 0.35%
 0.17%
 0.52%
 4.72%
 12.94%
 5.42%
 6.12%
 7.34%
 4.2%
 27.1%
 31.12%Square area 50x50 km:
 1.55%
 1.78%
 1.16%
 4.88%
 5.86%
 1.91%
 2.55%
 4%
 4.78%
 14.79%
 56.75%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
31° 14' 6" North, 82° 18' 34.6" West
30° 37' 54.8" North, 81° 36' 23.4" West
30° 1' 30" North, 80° 54' 12.1" West
Some cities around Yulee sort by population:
• Jacksonville
		33.7 km =20.9 mi, 
188°
• Jacksonville Beach
		42.7 km =26.5 mi, 
151°
• St. Marys
		12.4 km =7.7 mi, 
27°
• Kingsland
		20.3 km =12.6 mi, 
336°
• Atlantic Beach
		38.6 km =24 mi, 
148°
• Fernandina Beach
		14.4 km =8.9 mi, 
73°
• Neptune Beach
		40.9 km =25.4 mi, 
150°
• Nassau Village-Ratliff
		23.6 km =14.7 mi, 
235°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016