Night Light of Washington (Iowa) from space (United States) Src. Average luminocity for 10x10km area is 12.1071% and for 50x50km: 1.3454%.
Square area 10x10 km:
 0.32%
 0.81%
 3.57%
 3.73%
 0.16%
 1.14%
 1.79%
 1.3%
 1.46%
 0.65%
 85.06%Square area 50x50 km:
 0.01%
 0.06%
 0.42%
 0.24%
 0.21%
 0.26%
 0.19%
 0.16%
 0.31%
 0.1%
 98.03%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 49' 31" North, 92° 23' 45.9" West
41° 17' 57" North, 91° 41' 34.6" West
40° 46' 7.7" North, 90° 59' 23.4" West
Some cities around Washington sort by population:
• Iowa City
		42.5 km =26.4 mi, 
18°
• Burlington
		73.2 km =45.5 mi, 
138°
• Ottumwa
		67.7 km =42.1 mi, 
242°
• Muscatine
		56 km =34.8 mi, 
75°
• Coralville
		43 km =26.7 mi, 
12°
• North Liberty
		50.7 km =31.5 mi, 
8°
• Fairfield
		39.4 km =24.5 mi, 
214°
• Mount Pleasant
		39 km =24.2 mi, 
163°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016