Night Light of Imperial (California) from space (United States) Src. Average luminocity for 10x10km area is 31.3182% and for 50x50km: 12.7161%.
Square area 10x10 km:
 4.02%
 2.97%
 1.75%
 2.62%
 8.57%
 6.47%
 5.07%
 3.32%
 11.71%
 31.12%
 22.38%Square area 50x50 km:
 3.49%
 1.56%
 0.34%
 0.48%
 2.65%
 2.62%
 1.66%
 1.66%
 3.12%
 7.18%
 75.25%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
33° 26' 10.6" North, 116° 16' 21.3" West
32° 50' 51.2" North, 115° 34' 10" West
32° 15' 17.6" North, 114° 51' 58.8" West
Some cities around Imperial sort by population:
• Mexicali, MX
		26.7 km =16.6 mi, 
156°
• El Centro
		6.2 km =3.9 mi, 
174°
• Calexico
		19.9 km =12.4 mi, 
160°
• Santa Isabel, MX
		23.8 km =14.8 mi, 
181°
• Brawley
		15 km =9.3 mi, 
14°
• Progreso, MX
		29.7 km =18.5 mi, 
182°
• Calipatria
		31.3 km =19.4 mi, 
9°
• Holtville
		18.1 km =11.2 mi, 
102°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016