year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 10, 16, 17, 18,  123.668755,   42.152462,   9, 100,  323.637604,   29.136417,   254,  1061
 2020, 10, 16, 17, 18,  123.681747,   42.151131,   8,  68,  306.341614,   13.529881,   254,  1062
 2020, 10, 16, 17, 18,  123.676323,   42.155289,   9, 100,  331.047638,   37.655888,   256,  1062
 2020, 10, 16, 17, 18,  122.566597,   40.644218,   8,  76,  308.914246,   16.939320,   499,  1008