Night Light of Jalārpet (Tamil Nadu) from space (India) Src. Average luminocity for 10x10km area is 40.1147% and for 50x50km: 11.9785%.
Square area 10x10 km:
 0%
 0.22%
 5.84%
 1.3%
 9.09%
 12.77%
 21.86%
 19.05%
 11.26%
 18.61%
 0%Square area 50x50 km:
 0.24%
 1.1%
 1.32%
 0.82%
 1.45%
 2.12%
 3.91%
 3.85%
 5.34%
 10.71%
 69.14%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
13° 15' 20.1" North, 77° 52' 12.2" East
12° 34' 12.9" North, 78° 34' 23.4" East
11° 52' 59.1" North, 79° 16' 34.7" East
Some cities around Jalārpet sort by population:
• Ambur
		29.1 km =18.1 mi, 
32°
• Vaniyambadi
		13.4 km =8.3 mi, 
22°
• Krishnagiri
		39.4 km =24.5 mi, 
261°
• Chengam
		37.5 km =23.3 mi, 
140°
• Kuppam
		32 km =19.9 mi, 
308°
• Alangāyam
		20.3 km =12.6 mi, 
73°
• Odugattūr
		40.2 km =25 mi, 
56°
• Kunnattūr
		25.7 km =16 mi, 
195°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016