Night Light of Phayao from space (Thailand) Src. Average luminocity for 10x10km area is 30.4481% and for 50x50km: 3.9473%.
Square area 10x10 km:
 2.81%
 6.71%
 4.55%
 4.55%
 3.46%
 1.52%
 4.55%
 3.25%
 5.84%
 34.63%
 28.14%Square area 50x50 km:
 0.12%
 0.64%
 0.39%
 0.39%
 0.52%
 0.47%
 1.02%
 0.69%
 0.77%
 3.36%
 91.61%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
19° 51' 17" North, 99° 10' 32.6" East
19° 11' 31.3" North, 99° 52' 43.8" East
18° 31' 36" North, 100° 34' 55.1" East
Some cities around Phayao sort by population:
• Chiang Rai
		79.8 km =49.6 mi, 
356°
• San Kamphaeng
		94.1 km =58.5 mi, 
238°
• Dok Kham Tai
		12.5 km =7.8 mi, 
105°
• Pong
		41.9 km =26 mi, 
96°
• Chiang Kham
		57.5 km =35.7 mi, 
50°
• Pa Daet
		36.8 km =22.9 mi, 
18°
• Chiang Klang
		103.8 km =64.5 mi, 
83°
• Mae Chai
		18.4 km =11.4 mi, 
338°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016