Night Light of Tetla (Tlaxcala) from space (Mexico) Src. Average luminocity for 10x10km area is 65.564% and for 50x50km: 27.2445%.
Square area 10x10 km:
 7.44%
 11.16%
 16.12%
 13.43%
 17.36%
 7.64%
 5.17%
 5.37%
 14.67%
 1.65%
 0%Square area 50x50 km:
 1.49%
 2.4%
 7.59%
 6.05%
 5.04%
 3.36%
 5.21%
 3.18%
 4.07%
 11.74%
 49.87%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
20° 6' 13.3" North, 98° 48' 23" West
19° 26' 31.3" North, 98° 6' 11.7" West
18° 46' 39.6" North, 97° 24' 0.5" West
Some cities around Tetla sort by population:
• Apizaco
		5.3 km =3.3 mi, 
232°
• Xaloztoc
		7.1 km =4.4 mi, 
122°
• San Andrés Ahuashuatepec
		7.1 km =4.4 mi, 
182°
• Zimatepec
		6.8 km =4.2 mi, 
250°
• Santa Anita Huiloac
		7.3 km =4.5 mi, 
215°
• Santa María Texcalac
		2.7 km =1.7 mi, 
140°
• San Luis Apizaquito
		2.4 km =1.5 mi, 
217°
• San José Tetel
		6 km =3.7 mi, 
260°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016