year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 10, 10, 05, 18,  117.613510,   61.198414,   8,  40,  300.683655,   10.397246,   570,   873
 2020, 10, 10, 05, 18,  117.482330,   61.639637,   8,  69,  319.235535,   23.113483,   637,   872
 2020, 10, 10, 05, 18,  117.465172,   61.638542,   8,  70,  321.618805,   25.426104,   637,   873
 2020, 10, 10, 05, 18,  117.474228,   61.640278,   8,  56,  327.187897,   31.157032,   641,   872