Night Light of Gamu (Cagayan Valley) from space (Philippines) Src. Average luminocity for 10x10km area is 0.5693% and for 50x50km: 1.1186%.
Square area 10x10 km:
 0%
 0%
 0%
 0%
 0%
 0%
 0.43%
 0%
 0.43%
 0.22%
 98.92%Square area 50x50 km:
 0%
 0%
 0.26%
 0.26%
 0.14%
 0.23%
 0.24%
 0.29%
 0.21%
 0.28%
 98.08%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
17° 43' 14.7" North, 121° 7' 58.5" East
17° 2' 59.1" North, 121° 50' 9.7" East
16° 22' 34.8" North, 122° 32' 21" East
Some cities around Gamu sort by population:
• Ilagan
		12.4 km =7.7 mi, 
27°
• San Mariano
		20.3 km =12.6 mi, 
111°
• San Manuel
		21.5 km =13.4 mi, 
262°
• Naguilian
		3 km =1.9 mi, 
177°
• Minante Segundo
		18.2 km =11.3 mi, 
205°
• Burgos
		14.9 km =9.3 mi, 
287°
• Reina Mercedes
		7.2 km =4.5 mi, 
187°
• Upi
		3.7 km =2.3 mi, 
357°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016