year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 08, 31, 04, 20,  119.785744,   30.318106,   8,  50,  310.064178,    7.403379,   274,  2771
 2020, 08, 31, 04, 20,  119.777748,   30.316105,   8,  41,  308.682434,    6.027736,   274,  2772
 2020, 08, 31, 04, 20,  120.192345,   30.641983,   8,  39,  307.012573,    4.921081,   300,  2710
 2020, 08, 31, 04, 20,  120.725136,   31.848015,   8,  45,  310.267212,    5.022973,   458,  2580
 2020, 08, 31, 04, 20,  119.251564,   32.618671,   8,  51,  306.348297,    5.429113,   620,  2724
 2020, 08, 31, 04, 20,  126.860611,   35.233570,   8,  35,  317.495911,    6.758550,   767,  1908