Night Light of Princeton (Indiana) from space (United States) Src. Average luminocity for 10x10km area is 29.0306% and for 50x50km: 4.8467%.
Square area 10x10 km:
 3.06%
 2.21%
 7.14%
 4.76%
 1.7%
 3.06%
 3.23%
 7.31%
 4.08%
 36.56%
 26.87%Square area 50x50 km:
 0.34%
 0.51%
 0.83%
 0.46%
 0.55%
 0.64%
 0.67%
 1.2%
 0.83%
 3.41%
 90.57%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 54' 16.5" North, 88° 16' 14.3" West
38° 21' 19.2" North, 87° 34' 3.1" West
37° 48' 6.7" North, 86° 51' 51.8" West
Some cities around Princeton sort by population:
• Evansville
		42.3 km =26.3 mi, 
178°
• Vincennes
		36 km =22.4 mi, 
5°
• Jasper
		55.6 km =34.5 mi, 
85°
• Washington
		48.2 km =30 mi, 
45°
• Mount Carmel
		18 km =11.2 mi, 
290°
• Mount Vernon
		55.1 km =34.2 mi, 
211°
• Boonville
		42.6 km =26.5 mi, 
143°
• Huntingburg
		53.8 km =33.4 mi, 
96°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016