Night Light of Chom Thong (Chiang Mai) from space (Thailand) Src. Average luminocity for 10x10km area is 30.2789% and for 50x50km: 9.7579%.
Square area 10x10 km:
 0%
 5.79%
 6.82%
 2.69%
 2.48%
 3.72%
 8.26%
 8.26%
 7.64%
 25%
 29.34%Square area 50x50 km:
 0.02%
 0.78%
 2.28%
 1.02%
 0.84%
 1.19%
 2.88%
 3.33%
 2.85%
 7.75%
 77.06%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
19° 4' 59.6" North, 97° 58' 16.2" East
18° 25' 2.7" North, 98° 40' 27.4" East
17° 44' 56.5" North, 99° 22' 38.7" East
Some cities around Chom Thong sort by population:
• Chiang Mai
		52.8 km =32.8 mi, 
38°
• Lampang
		87.5 km =54.4 mi, 
99°
• Lamphun
		39.5 km =24.5 mi, 
62°
• San Kamphaeng
		59.4 km =36.9 mi, 
52°
• Hang Dong
		39.6 km =24.6 mi, 
40°
• San Pa Tong
		33.1 km =20.6 mi, 
44°
• Pa Sang
		30.5 km =19 mi, 
66°
• Mae Tha
		49.4 km =30.7 mi, 
83°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016