Night Light of Samut Songkhram from space (Thailand) Src. Average luminocity for 10x10km area is 56.25% and for 50x50km: 26.3113%.
Square area 10x10 km:
 7.44%
 7.44% 8.68%
 8.68% 5.58%
 5.58% 11.36%
 11.36% 9.5%
 9.5% 18.18%
 18.18% 7.64%
 7.64% 9.71%
 9.71% 13.84%
 13.84% 7.64%
 7.64% 0.41%
 0.41%Square area 50x50 km:
 0.98%
 0.98% 1.6%
 1.6% 3.83%
 3.83% 3.83%
 3.83% 5.28%
 5.28% 5.74%
 5.74% 6.01%
 6.01% 7.86%
 7.86% 8.8%
 8.8% 21.67%
 21.67% 34.39%
 34.39%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
14° 5' 51" North, 99° 17' 58.3" East
13° 24' 52.4" North, 100° 0' 9.5" East
12° 43' 46.8" North, 100° 42' 20.8" East
Some cities around Samut Songkhram sort by population:
• Ratchaburi
		24.2 km =15 mi,  304°
304°
• Krathum Baen
		38.4 km =23.9 mi,  46°
46°
• Phetchaburi
		34.2 km =21.3 mi,  190°
190°
• Ban Phaeo
		22.6 km =14 mi,  30°
30°
• Photharam
		35 km =21.7 mi,  331°
331°
• Bang Phae
		31.8 km =19.8 mi,  345°
345°
• Damnoen Saduak
		12.6 km =7.8 mi,  335°
335°
• Khao Yoi
		27.4 km =17 mi,  224°
224°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016