year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 08, 17, 05, 20,  116.417320,   23.291227,   8,  65,  317.552155,    5.389644,   642,  1686
 2020, 08, 17, 05, 20,  113.904770,   23.171743,   7,  26,  319.028687,    7.691957,   685,  1991
 2020, 08, 17, 05, 20,  113.895134,   23.182850,   7,  25,  315.459656,    5.880728,   688,  1991
 2020, 08, 17, 05, 20,  113.703522,   23.272934,   8,  64,  314.219513,    5.770287,   706,  2009