Night Light of Westfield (Massachusetts) from space (United States) Src. Average luminocity for 10x10km area is 47.3348% and for 50x50km: 23.5706%.
Square area 10x10 km:
 4.09%
 5.3%
 8.48%
 5.61%
 10.91%
 8.64%
 12.73%
 11.82%
 11.97%
 14.09%
 6.36%Square area 50x50 km:
 3.37%
 3.92%
 3.96%
 3.25%
 3.65%
 3.6%
 3.32%
 4.12%
 5.47%
 10.6%
 54.75%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
42° 38' 40" North, 73° 27' 9.6" West
42° 7' 30.3" North, 72° 44' 58.3" West
41° 36' 5.2" North, 72° 2' 47.1" West
Some cities around Westfield sort by population:
• Springfield
		13.4 km =8.3 mi, 
101°
• Chicopee
		12 km =7.5 mi, 
77°
• North Chicopee
		14 km =8.7 mi, 
62°
• Holyoke
		14.1 km =8.8 mi, 
51°
• Agawam
		12.7 km =7.9 mi, 
119°
• West Springfield
		10.8 km =6.7 mi, 
100°
• Southwick
		8 km =5 mi, 
192°
• Southampton
		11.7 km =7.3 mi, 
7°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016