year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 12, 15, 04, 34,  122.566582,   40.643131,   9,  86,  328.242035,   24.182669,   482,  1832
 2020, 12, 15, 04, 34,  122.992691,   41.167225,   8,  50,  301.878387,    7.413071,   548,  1770
 2020, 12, 15, 04, 34,  121.963707,   41.053299,   8,  44,  301.069092,    7.757466,   557,  1876
 2020, 12, 15, 04, 34,  123.755798,   41.844570,   8,  60,  304.858032,    8.754074,   629,  1667