Night Light of Oskaloosa (Iowa) from space (United States) Src. Average luminocity for 10x10km area is 23.1705% and for 50x50km: 2.8097%.
Square area 10x10 km:
 2.44%
 4.06%
 4.55%
 3.08%
 2.44%
 1.3%
 3.08%
 3.73%
 1.3%
 20.45%
 53.57%Square area 50x50 km:
 0.32%
 0.42%
 0.44%
 0.37%
 0.24%
 0.23%
 0.33%
 0.29%
 0.42%
 2.08%
 94.85%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 49' 21" North, 93° 20' 51" West
41° 17' 47" North, 92° 38' 39.7" West
40° 45' 57.6" North, 91° 56' 28.5" West
Some cities around Oskaloosa sort by population:
• Ottumwa
		36.4 km =22.6 mi, 
147°
• Indianola
		76.5 km =47.5 mi, 
275°
• Newton
		56 km =34.8 mi, 
323°
• Pella
		25.9 km =16.1 mi, 
298°
• Fairfield
		65.4 km =40.6 mi, 
119°
• Grinnell
		50.1 km =31.1 mi, 
352°
• Knoxville
		38.9 km =24.2 mi, 
274°
• Centerville
		65.4 km =40.6 mi, 
197°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016