Night Light of Siilinjärvi (Northern Savonia) from space (Finland) Src. Average luminocity for 10x10km area is 43.2034% and for 50x50km: 7.259%.
Square area 10x10 km:
 16.47%
 12%
 0.89%
 1.69%
 2.48%
 0%
 0.6%
 2.48%
 25.6%
 23.41%
 14.38%Square area 50x50 km:
 2.06%
 2.06%
 0.47%
 0.32%
 0.25%
 0.17%
 0.4%
 0.91%
 2.81%
 3.79%
 86.76%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
63° 23' 59.6" North, 26° 57' 48.8" East
63° 4' 60" North, 27° 40' 0" East
62° 45' 47.8" North, 28° 22' 11.3" East
Some cities around Siilinjärvi sort by population:
• Kuopio
		21.2 km =13.2 mi, 
178°
• Iisalmi
		58 km =36 mi, 
335°
• Leppävirta
		66.2 km =41.1 mi, 
174°
• Suonenjoki
		58.5 km =36.4 mi, 
207°
• Lapinlahti
		34.2 km =21.3 mi, 
337°
• Nilsiä
		25 km =15.5 mi, 
56°
• Pielavesi
		48.9 km =30.4 mi, 
289°
• Juankoski
		34.5 km =21.4 mi, 
93°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016