year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 10, 25, 05, 27,  110.193222,   22.088560,   8,  42,  304.190338,    3.842657,    69,  2237
 2020, 10, 25, 05, 27,  116.439819,   23.142080,   8,  66,  309.656799,    4.661781,    70,  1484
 2020, 10, 25, 05, 27,  116.431076,   23.147627,   8,  45,  306.425873,    2.990785,    71,  1485
 2020, 10, 25, 05, 27,  108.581985,   21.792908,   8,  44,  304.203125,    6.485636,    71,  2423
 2020, 10, 25, 05, 27,  116.450546,   23.170948,   8,  65,  309.464966,    3.836314,    74,  1482
 2020, 10, 25, 05, 27,  111.083290,   22.435038,   8,  57,  303.765167,    4.615648,    94,  2136
 2020, 10, 25, 05, 27,  116.290321,   23.289833,   9,  83,  325.455627,   12.089427,    95,  1499
 2020, 10, 25, 05, 27,  111.084496,   22.440765,   8,  57,  303.857391,    4.877410,    97,  2135
 2020, 10, 25, 05, 27,  117.077240,   23.428825,   8,  50,  311.696991,    6.300664,    99,  1395
 2020, 10, 25, 05, 27,  110.064804,   22.425177,   8,  54,  302.865143,    3.702656,   121,  2241
 2020, 10, 25, 05, 27,  116.215820,   23.677427,   8,  76,  318.287201,    8.323813,   154,  1496
 2020, 10, 25, 05, 27,  117.693192,   24.067232,   9,  83,  325.496765,   15.322174,   181,  1303
 2020, 10, 25, 05, 27,  117.597870,   24.082508,   9,  84,  327.190918,   16.948206,   185,  1314
 2020, 10, 25, 05, 27,  105.720139,   22.885334,   8,  51,  302.211517,    5.872441,   316,  2694
 2020, 10, 25, 05, 27,  105.720970,   22.883595,   8,  41,  303.046875,    6.446011,   322,  2693
 2020, 10, 25, 05, 27,  119.211418,   25.230831,   8,  45,  307.328308,    6.503192,   325,  1111
 2020, 10, 25, 05, 27,  118.481636,   25.161678,   8,  68,  309.771912,    5.293243,   328,  1187
 2020, 10, 25, 05, 27,  117.145187,   26.047913,   8,  75,  314.320679,    7.639080,   486,  1312
 2020, 10, 25, 05, 27,  114.781532,   25.728571,   8,  63,  310.128479,    6.625625,   489,  1612
 2020, 10, 25, 05, 27,  114.773911,   25.727409,   8,  64,  313.214966,    8.446280,   489,  1613
 2020, 10, 25, 05, 27,  105.864929,   24.704315,   8,  49,  301.729431,    4.507038,   582,  2588