Night Light of Chiang Klang (Nan) from space (Thailand) Src. Average luminocity for 10x10km area is 5.8788% and for 50x50km: 1.2518%.
Square area 10x10 km:
 0%
 0%
 0%
 0%
 2.6%
 2.38%
 3.68%
 0%
 1.73%
 0%
 89.61%Square area 50x50 km:
 0%
 0.1%
 0.08%
 0.15%
 0.23%
 0.23%
 0.37%
 0.43%
 0.49%
 0.28%
 97.63%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
19° 57' 21.8" North, 100° 9' 30.9" East
19° 17' 37.6" North, 100° 51' 42.1" East
18° 37' 43.7" North, 101° 33' 53.4" East
Some cities around Chiang Klang sort by population:
• Nan
		57.4 km =35.7 mi, 
188°
• Dok Kham Tai
		92.3 km =57.4 mi, 
260°
• Phayao
		103.8 km =64.5 mi, 
263°
• Ban Houakhoua, LA
		114.2 km =71 mi, 
338°
• Pong
		63.6 km =39.5 mi, 
255°
• Pa Daet
		94.1 km =58.5 mi, 
284°
• Sainyabuli, LA
		89.2 km =55.4 mi, 
92°
• Mae Chai
		110.1 km =68.4 mi, 
273°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016