year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 09, 20, 04, 41,  120.094559,   15.277837,   8,  30,  309.561768,    9.399576,   131,  2555
 2020, 09, 20, 04, 41,  121.699760,   17.586479,   8,  79,  320.507446,   11.285549,   424,  2340
 2020, 09, 20, 04, 41,  121.681076,   17.727367,   7,  16,  320.153931,   10.904598,   444,  2338
 2020, 09, 20, 04, 41,  121.422050,   18.286520,   8,  41,  311.486359,    6.531161,   535,  2349