Night Light of Rotterdam (New York) from space (United States) Src. Average luminocity for 10x10km area is 55.7212% and for 50x50km: 23.4018%.
Square area 10x10 km:
 10.76%
 14.24%
 5.45%
 8.94%
 10.76%
 5.76%
 7.27%
 3.03%
 11.52%
 16.52%
 5.76%Square area 50x50 km:
 3.64%
 4.1%
 2.68%
 3.19%
 3.27%
 3.86%
 4.29%
 3.79%
 6.19%
 11.14%
 53.87%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
43° 18' 3.2" North, 74° 40' 26.7" West
42° 47' 13.3" North, 73° 58' 15.5" West
42° 16' 7.9" North, 73° 16' 4.2" West
Some cities around Rotterdam sort by population:
• West Albany
		19.5 km =12.1 mi, 
126°
• Schenectady
		4 km =2.5 mi, 
40°
• Latham
		17.9 km =11.1 mi, 
104°
• Roessleville
		16.8 km =10.4 mi, 
127°
• Colonie
		13.6 km =8.5 mi, 
124°
• Scotia
		4.4 km =2.7 mi, 
7°
• Westmere
		13.5 km =8.4 mi, 
141°
• East Glenville
		12.5 km =7.8 mi, 
16°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016