Night Light of Piro (Bihar) from space (India) Src. Average luminocity for 10x10km area is 33.3909% and for 50x50km: 21.2557%.
Square area 10x10 km:
 1.59%
 1.59% 3.17%
 3.17% 2.78%
 2.78% 0.79%
 0.79% 3.57%
 3.57% 8.93%
 8.93% 12.3%
 12.3% 11.11%
 11.11% 14.29%
 14.29% 38.49%
 38.49% 2.98%
 2.98%Square area 50x50 km:
 0.68%
 0.68% 1.19%
 1.19% 1.45%
 1.45% 1.56%
 1.56% 2.1%
 2.1% 4.07%
 4.07% 5.4%
 5.4% 7.34%
 7.34% 12.24%
 12.24% 28.93%
 28.93% 35.05%
 35.05%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
25° 57' 57.7" North, 83° 42' 5.1" East
25° 19' 55.8" North, 84° 24' 16.3" East
24° 41' 42" North, 85° 6' 27.6" East
Some cities around Piro sort by population:
• Arrah
		36 km =22.4 mi,  46°
46°
• Dumraon
		35.3 km =21.9 mi,  313°
313°
• Bikramganj
		20.2 km =12.6 mi,  228°
228°
• Daudnagar
		33.1 km =20.6 mi,  180°
180°
• Jagdīspur
		15.2 km =9.4 mi,  5°
5°
• Nāsriganj
		32.1 km =19.9 mi,  193°
193°
• Koāth
		14.6 km =9.1 mi,  267°
267°
• Shāhpur
		30.1 km =18.7 mi,  359°
359°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016