year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 12, 24, 05, 04,  117.253036,   32.707787,   8,  68,  308.835083,    8.907287,    51,  1840
 2020, 12, 24, 05, 04,  119.847076,   34.410961,   8,  54,  305.903961,    6.881809,   242,  1485
 2020, 12, 24, 05, 04,  112.616646,   34.238159,   8,  68,  308.775177,   10.335634,   403,  2231
 2020, 12, 24, 05, 04,  112.454254,   34.264015,   8,  56,  303.404266,    7.784876,   410,  2248
 2020, 12, 24, 05, 04,  120.990669,   36.903145,   8,  79,  318.566498,   16.552952,   588,  1287
 2020, 12, 24, 05, 04,  120.796883,   36.899235,   8,  57,  303.918854,    7.288353,   591,  1307
 2020, 12, 24, 05, 04,  120.798409,   36.901226,   8,  60,  304.840698,    7.672767,   592,  1306
 2020, 12, 24, 05, 04,  120.848152,   36.943035,   9,  86,  329.193787,   24.545101,   597,  1300
 2020, 12, 24, 05, 04,  120.918716,   37.038322,   8,  65,  307.424866,    9.595390,   610,  1290
 2020, 12, 24, 05, 04,  118.077087,   36.647270,   8,  59,  304.605865,    6.930784,   611,  1610
 2020, 12, 24, 05, 04,  118.414307,   37.362694,   8,  64,  306.789062,    8.201089,   709,  1548
 2020, 12, 24, 05, 04,  118.405663,   37.361412,   8,  67,  308.597565,    9.054741,   709,  1549