Night Light of Río Grande from space (Puerto Rico) Src. Average luminocity for 10x10km area is 50.343% and for 50x50km: 29.9035%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
19° 2' 46.2" North, 66° 32' 3.8" West
18° 22' 48.8" North, 65° 49' 52.6" West
17° 42' 42.1" North, 65° 7' 41.3" West
Some cities around Río Grande sort by population:
• Carolina
13.3 km =8.3 mi, 270°
• Trujillo Alto
18.8 km =11.7 mi, 261°
• Juncos
19.4 km =12.1 mi, 209°
• Canovanas
7.2 km =4.5 mi, 265°
• Luquillo
12.1 km =7.5 mi, 94°
• San Isidro
5.9 km =3.7 mi, 283°
• Santa Barbara
9.4 km =5.8 mi, 279°
• Loíza
7.7 km =4.8 mi, 317°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016