Night Light of Weihai (Shandong) from space (China) Src. Average luminocity for 10x10km area is 68.4627% and for 50x50km: 16.4641%.
Square area 10x10 km:
 19.97%
 18.02%
 6.33%
 6.17%
 6.66%
 14.94%
 9.9%
 6.01%
 6.17%
 5.68%
 0.16%Square area 50x50 km:
 2.2%
 2.52%
 2.31%
 2.39%
 2.49%
 2.95%
 2.14%
 3%
 4.72%
 8.24%
 67.04%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 3' 53.3" North, 121° 24' 37.6" East
37° 30' 32.9" North, 122° 6' 48.8" East
36° 56' 57.5" North, 122° 49' 0.1" East
Some cities around Weihai sort by population:
• Yantai
		59.5 km =37 mi, 
266°
• Tianfu
		27.8 km =17.3 mi, 
191°
• Dongcun
		117.4 km =72.9 mi, 
226°
• Yatou
		48.6 km =30.2 mi, 
143°
• Dengzhou
		123.8 km =76.9 mi, 
285°
• Zhuangyuan
		115.8 km =72 mi, 
258°
• Qingyang
		75.5 km =46.9 mi, 
268°
• Ninghai
		46.7 km =29 mi, 
252°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016