Night Light of Tyrnävä (Northern Ostrobothnia) from space (Finland) Src. Average luminocity for 10x10km area is 8.2236% and for 50x50km: 5.0584%.
Square area 10x10 km:
 0.91%
 0.91%
 1.27%
 1%
 2.64%
 1.27%
 0%
 0%
 0%
 1.09%
 90.91%Square area 50x50 km:
 0.76%
 0.99%
 0.6%
 0.76%
 0.77%
 0.51%
 0.36%
 0.55%
 1%
 2.09%
 91.62%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
65° 3' 46.1" North, 24° 56' 57" East
64° 45' 52.9" North, 25° 39' 8.3" East
64° 27' 47.7" North, 26° 21' 19.5" East
Some cities around Tyrnävä sort by population:
• Oulu
		28.9 km =18 mi, 
342°
• Raahe
		56.2 km =34.9 mi, 
260°
• Haukipudas
		47.9 km =29.8 mi, 
342°
• Kempele
		17.9 km =11.1 mi, 
336°
• Kiiminki
		41.3 km =25.7 mi, 
9°
• Oulunsalo
		22.1 km =13.7 mi, 
328°
• Muhos
		16.8 km =10.4 mi, 
73°
• Liminka
		12.3 km =7.6 mi, 
294°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016