Night Light of Dalhart (Texas) from space (United States) Src. Average luminocity for 10x10km area is 22.7106% and for 50x50km: 1.2615%.
Square area 10x10 km:
 0.92%
 3.11%
 8.61%
 2.38%
 3.66%
 1.28%
 1.28%
 0.73%
 0.55%
 20.51%
 56.96%Square area 50x50 km:
 0.03%
 0.12%
 0.41%
 0.16%
 0.14%
 0.06%
 0.15%
 0.24%
 0.12%
 0.82%
 97.75%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
36° 37' 33" North, 103° 12' 59" West
36° 3' 34.1" North, 102° 30' 47.7" West
35° 29' 20.5" North, 101° 48' 36.5" West
Some cities around Dalhart sort by population:
• Amarillo
		111.7 km =69.4 mi, 
146°
• Pampa
		151.7 km =94.3 mi, 
112°
• Hereford
		138.7 km =86.2 mi, 
175°
• Dumas
		53.2 km =33.1 mi, 
113°
• Canyon
		131.5 km =81.7 mi, 
155°
• Borger
		109.6 km =68.1 mi, 
113°
• Guymon
		115.5 km =71.8 mi, 
53°
• Tucumcari
		147.6 km =91.7 mi, 
228°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016