Night Light of Uddevalla (Västra Götaland) from space (Sweden) Src. Average luminocity for 10x10km area is 36.4898% and for 50x50km: 6.2084%.
Square area 10x10 km:
 10.77%
 12.02%
 0.79%
 2.27%
 0.79%
 1.59%
 1.7%
 0.45%
 14.63%
 35.26%
 19.73%Square area 50x50 km:
 1.37%
 1.46%
 0.47%
 0.41%
 0.34%
 0.41%
 0.58%
 0.5%
 2.31%
 4.54%
 87.61%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
58° 42' 53.6" North, 11° 14' 21.4" East
58° 20' 52.2" North, 11° 56' 32.6" East
57° 58' 37" North, 12° 38' 43.9" East
Some cities around Uddevalla sort by population:
• Trollhättan
		21.4 km =13.3 mi, 
109°
• Alingsås
		58 km =36 mi, 
143°
• Kungälv
		53.1 km =33 mi, 
177°
• Vänersborg
		22.5 km =14 mi, 
80°
• Stenungsund
		31.7 km =19.7 mi, 
193°
• Lysekil
		30.7 km =19.1 mi, 
254°
• Lövgärdet
		59.5 km =37 mi, 
174°
• Surte
		58.3 km =36.2 mi, 
175°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016