year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 08, 20, 02, 55,  118.805756,   62.782806,   8,  64,  306.460144,    8.580382,   156,  2628
 2020, 08, 20, 02, 55,  118.837997,   62.809315,   8,  53,  302.835236,    6.885764,   163,  2623
 2020, 08, 20, 02, 55,  119.282166,   63.376144,   7,  25,  303.722992,   10.689820,   211,  2548
 2020, 08, 20, 02, 55,  123.099464,   64.672081,   9,  88,  332.556702,   33.298553,   216,  2329
 2020, 08, 20, 02, 55,  112.803085,   61.353096,   8,  79,  318.549133,   33.684879,   278,  3008
 2020, 08, 20, 02, 55,  121.522331,   66.171181,   8,  78,  317.658203,   15.908532,   457,  2282
 2020, 08, 20, 02, 55,  114.364342,   64.033943,   8,  78,  317.449982,   18.769499,   500,  2724
 2020, 08, 20, 02, 55,  114.352806,   64.029236,   9,  82,  323.251892,   24.294397,   500,  2725
 2020, 08, 20, 02, 55,  114.329926,   64.019936,   8,  77,  316.504486,   17.954290,   500,  2727
 2020, 08, 20, 02, 55,  112.335876,   64.408325,   7,  27,  300.350372,    6.775299,   631,  2774
 2020, 08, 20, 02, 55,  111.803413,   64.327507,   7,  27,  300.204010,    7.329806,   647,  2803
 2020, 08, 20, 02, 55,  111.766960,   64.376114,   8,  53,  303.244965,    8.636923,   651,  2800
 2020, 08, 20, 02, 55,  111.754486,   64.370728,   8,  59,  305.333801,    9.916477,   651,  2801
 2020, 08, 20, 02, 55,  111.681992,   64.371552,   8,  50,  308.066223,   12.132048,   653,  2804
 2020, 08, 20, 02, 55,  111.756485,   64.376930,   8,  41,  302.951782,    8.268557,   658,  2800
 2020, 08, 20, 02, 55,  111.744232,   64.371552,   7,  26,  301.214203,    6.653586,   658,  2801
 2020, 08, 20, 02, 55,  111.671906,   64.372238,   8,  66,  308.072784,   12.870874,   660,  2804
 2020, 08, 20, 02, 55,  111.265312,   64.376259,   8,  62,  305.913788,   12.176529,   678,  2819
 2020, 08, 20, 02, 55,  110.850510,   64.307785,   7,  23,  309.389160,   10.024935,   685,  2841
 2020, 08, 20, 02, 55,  110.842300,   64.798073,   8,  74,  314.228027,   19.715467,   742,  2795
 2020, 08, 20, 02, 55,  110.830528,   64.792854,   8,  67,  308.714539,   14.787061,   742,  2796
 2020, 08, 20, 02, 55,  110.710045,   64.788651,   8,  63,  306.044434,   12.106995,   745,  2801