year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 07, 04, 07, 38,   70.791336,   60.839554,   9,  85,  326.839050,   16.322865,    24,  1587
 2020, 07, 04, 07, 38,   70.176964,   60.763016,   8,  76,  315.723419,    8.585378,    27,  1631
 2020, 07, 04, 07, 38,   70.856010,   60.960865,   8,  41,  304.826447,    3.566582,    40,  1577
 2020, 07, 04, 07, 38,   69.595177,   60.813587,   8,  72,  312.385681,    7.548548,    48,  1666
 2020, 07, 04, 07, 38,   70.255135,   61.006279,   8,  77,  317.090729,    9.089146,    60,  1614
 2020, 07, 04, 07, 38,   85.753273,   62.722336,   8,  55,  306.234009,    9.377408,    92,   699
 2020, 07, 04, 07, 38,   85.744476,   62.719086,   8,  42,  304.538605,    8.100266,    97,   699
 2020, 07, 04, 07, 38,   66.957664,   61.752991,   8,  79,  319.312500,   12.807910,   246,  1782
 2020, 07, 04, 07, 38,  100.058075,   63.594784,   8,  62,  305.716492,   26.511282,   263,     3
 2020, 07, 04, 07, 38,   97.582153,   64.129013,   8,  39,  302.195892,   15.951425,   317,    86
 2020, 07, 04, 07, 38,   97.578934,   64.134544,   8,  64,  317.120880,   36.538445,   326,    86
 2020, 07, 04, 07, 38,   97.559021,   64.135521,   7,  25,  309.221130,   21.658175,   326,    87
 2020, 07, 04, 07, 38,   97.583633,   64.148216,   8,  72,  316.713135,   36.637047,   327,    86
 2020, 07, 04, 07, 38,   97.560844,   64.149323,   8,  74,  319.209167,   41.548485,   327,    87
 2020, 07, 04, 07, 38,   97.254089,   64.410690,   7,  26,  302.577728,   13.529065,   362,    99
 2020, 07, 04, 07, 38,   97.220085,   64.419083,   8,  38,  301.855103,   13.376095,   371,   100
 2020, 07, 04, 07, 38,  100.006767,   65.580116,   7,   0,  307.618347,   27.696039,   569,    21
 2020, 07, 04, 07, 38,   99.975357,   65.582146,   8,  69,  339.181519,  125.655624,   569,    22
 2020, 07, 04, 07, 38,   99.931770,   65.584961,   8,  67,  320.527985,   57.973652,   569,    23
 2020, 07, 04, 07, 38,   99.996727,   65.580200,   8,  53,  320.323273,   61.312614,   578,    21
 2020, 07, 04, 07, 38,   99.961159,   65.582596,   8,  67,  344.945679,  155.692596,   578,    22
 2020, 07, 04, 07, 38,  100.623413,   66.448318,   8,  43,  306.293549,   25.069881,   712,    12
 2020, 07, 04, 07, 38,  100.587303,   66.450806,   8,  43,  309.003418,   30.670362,   712,    13