year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 08, 06, 02, 18,  121.671883,   66.258476,   8,  78,  318.317261,   13.546845,    24,  2582
 2020, 08, 06, 02, 18,  121.608353,   66.232956,   7,  26,  306.657104,    5.267599,    24,  2588
 2020, 08, 06, 02, 18,  121.688286,   66.293999,   8,  69,  309.644287,    7.379394,    26,  2577
 2020, 08, 06, 02, 18,  121.519188,   66.226234,   9, 100,  368.609009,   94.227058,    26,  2593
 2020, 08, 06, 02, 18,  121.508575,   66.221962,   9,  99,  358.406921,   69.649300,    26,  2594
 2020, 08, 06, 02, 18,  121.498001,   66.217697,   8,  71,  311.581512,    8.819547,    26,  2595
 2020, 08, 06, 02, 18,  121.490723,   66.229370,   9,  84,  325.170868,   19.382090,    27,  2594
 2020, 08, 06, 02, 18,  121.480148,   66.225113,   9,  86,  329.184235,   23.558414,    27,  2595
 2020, 08, 06, 02, 18,  121.620934,   66.296043,   8,  75,  314.563446,   10.168920,    28,  2580
 2020, 08, 06, 02, 18,  121.610481,   66.291878,   8,  65,  307.299805,    6.055748,    28,  2581
 2020, 08, 06, 02, 18,  121.637924,   66.335846,   8,  76,  315.500793,   10.601656,    36,  2574
 2020, 08, 06, 02, 18,  121.595963,   66.318924,   8,  48,  319.620544,   12.591810,    36,  2578
 2020, 08, 06, 02, 18,  121.577942,   66.326210,   9,  82,  323.433929,   16.473873,    37,  2578
 2020, 08, 06, 02, 18,  121.567436,   66.321976,   8,  69,  316.027710,   10.777412,    37,  2579
 2020, 08, 06, 02, 18,  121.584320,   66.357803,   9,  86,  329.705353,   22.071249,    39,  2574
 2020, 08, 06, 02, 18,  121.573692,   66.353531,   9,  84,  325.929840,   18.836208,    39,  2575
 2020, 08, 06, 02, 18,  121.607803,   66.381683,   8,  54,  310.218994,    6.072752,    40,  2570
 2020, 08, 06, 02, 18,  121.597351,   66.377502,   8,  58,  313.230042,    7.836761,    40,  2571
 2020, 08, 06, 02, 18,  126.864220,   70.036873,   9,  96,  351.166626,   65.994774,   247,  2134
 2020, 08, 06, 02, 18,  126.841614,   70.030357,   9,  93,  343.365173,   49.678188,   247,  2135
 2020, 08, 06, 02, 18,  112.307961,   64.431053,   8,  73,  312.813202,   25.739994,   294,  3061
 2020, 08, 06, 02, 18,  112.266983,   64.429413,   8,  45,  307.076050,   17.142866,   295,  3062
 2020, 08, 06, 02, 18,  111.741371,   64.521126,   8,  61,  307.999481,   17.828442,   329,  3067