Night Light of Oulainen (Northern Ostrobothnia) from space (Finland) Src. Average luminocity for 10x10km area is 12.1019% and for 50x50km: 1.569%.
Square area 10x10 km:
 3.05%
 2.29%
 0.76%
 1.9%
 1.9%
 0%
 0%
 0%
 0.1%
 11.43%
 78.57%Square area 50x50 km:
 0.33%
 0.35%
 0.21%
 0.19%
 0.11%
 0.07%
 0.04%
 0%
 0.01%
 1.62%
 97.07%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
64° 34' 13" North, 24° 5' 48.8" East
64° 16' 0" North, 24° 48' 0" East
63° 57' 34.9" North, 25° 30' 11.3" East
Some cities around Oulainen sort by population:
• Raahe
		48.7 km =30.3 mi, 
341°
• Ylivieska
		23.7 km =14.7 mi, 
210°
• Nivala
		39.7 km =24.7 mi, 
168°
• Kalajoki
		41.1 km =25.5 mi, 
267°
• Haapavesi
		31.2 km =19.4 mi, 
118°
• Haapajärvi
		63.1 km =39.2 mi, 
155°
• Kannus
		59.8 km =37.2 mi, 
227°
• Sievi
		43.3 km =26.9 mi, 
199°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016