year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 07, 12, 05, 03,  118.611122,   52.129208,   8,  63,  312.840820,   10.306735,   440,  1216
 2020, 07, 12, 05, 03,  118.260262,   52.260704,   8,  38,  301.782928,    4.430734,   466,  1238
 2020, 07, 12, 05, 03,  118.247665,   52.259270,   8,  61,  305.326630,    6.091386,   466,  1239
 2020, 07, 12, 05, 03,  130.600601,   53.200150,   8,  63,  307.512604,   11.873407,   490,   331
 2020, 07, 12, 05, 03,  118.391701,   52.642879,   8,  50,  302.669403,    4.749028,   520,  1218
 2020, 07, 12, 05, 03,  130.644211,   53.718803,   9,  81,  321.183563,   26.680716,   570,   324
 2020, 07, 12, 05, 03,  120.681396,   53.239357,   8,  43,  324.280396,   21.388895,   573,  1053
 2020, 07, 12, 05, 03,  120.689514,   53.243919,   8,  65,  312.158997,    9.168269,   576,  1052
 2020, 07, 12, 05, 03,  130.648697,   53.728237,   8,  42,  303.192535,    8.628611,   578,   323
 2020, 07, 12, 05, 03,  130.636948,   53.728184,   8,  46,  305.148163,    9.734145,   578,   324
 2020, 07, 12, 05, 03,  121.958107,   53.450134,   9,  89,  336.640594,   28.182692,   588,   962
 2020, 07, 12, 05, 03,  121.700500,   53.600292,   8,  38,  321.980865,   11.411063,   615,   979
 2020, 07, 12, 05, 03,  115.836266,   52.969452,   8,  46,  301.712921,    4.153911,   615,  1403
 2020, 07, 12, 05, 03,  121.745865,   53.612293,   8,  74,  328.543579,   16.764126,   616,   975
 2020, 07, 12, 05, 03,  115.833946,   52.976135,   9,  82,  330.803864,   22.136356,   616,  1403
 2020, 07, 12, 05, 03,  121.840988,   53.628349,   9,  91,  340.727753,   33.043427,   617,   967
 2020, 07, 12, 05, 03,  121.828911,   53.627369,   9,  89,  337.170898,   28.260876,   617,   968
 2020, 07, 12, 05, 03,  121.839294,   53.636532,   9,  96,  351.495667,   50.331882,   618,   967
 2020, 07, 12, 05, 03,  121.827187,   53.635548,   9, 100,  368.139526,   86.748665,   618,   968
 2020, 07, 12, 05, 03,  121.686867,   53.672169,   8,  73,  317.315491,    9.000003,   627,   978
 2020, 07, 12, 05, 03,  121.684509,   53.680260,   9,  97,  354.205872,   54.657261,   628,   978
 2020, 07, 12, 05, 03,  121.672211,   53.679268,   9,  93,  344.731445,   38.605408,   628,   979
 2020, 07, 12, 05, 03,  122.541832,   53.789040,   8,  79,  322.556396,   15.295357,   633,   909
 2020, 07, 12, 05, 03,  118.713181,   53.717072,   7,   0,  314.173035,    9.287786,   675,  1167
 2020, 07, 12, 05, 03,  120.519508,   54.213127,   8,  78,  322.840332,   16.975615,   723,  1043
 2020, 07, 12, 05, 03,  120.502678,   54.211647,   9,  90,  338.832031,   39.719898,   723,  1044
 2020, 07, 12, 05, 03,  120.500587,   54.219437,   8,  73,  336.054382,   32.966141,   724,  1044
 2020, 07, 12, 05, 03,  120.484482,   54.218002,   8,  73,  338.030579,   35.583797,   724,  1045
 2020, 07, 12, 05, 03,  120.482491,   54.225796,   8,  67,  332.227753,   27.204250,   725,  1045
 2020, 07, 12, 05, 03,  120.233681,   54.266632,   8,  47,  321.480499,   12.314488,   733,  1059
 2020, 07, 12, 05, 03,  120.262474,   54.285172,   9,  90,  351.322998,   55.636471,   735,  1057
 2020, 07, 12, 05, 03,  120.241859,   54.271496,   9,  89,  341.283539,   39.269337,   736,  1058
 2020, 07, 12, 05, 03,  120.305679,   54.285122,   9,  85,  343.750214,   44.735149,   737,  1054
 2020, 07, 12, 05, 03,  120.273392,   54.282230,   8,  41,  329.968018,   20.249119,   737,  1056
 2020, 07, 12, 05, 03,  120.271996,   54.290035,   9,  93,  358.077881,   77.513817,   738,  1056
 2020, 07, 12, 05, 03,  120.162483,   54.319630,   9, 100,  386.715607,  182.060547,   743,  1062
 2020, 07, 12, 05, 03,  120.146523,   54.318150,   9,  88,  345.150238,   48.882076,   743,  1063
 2020, 07, 12, 05, 03,  120.128632,   54.324398,   8,  77,  337.582916,   37.027683,   744,  1064
 2020, 07, 12, 05, 03,  118.286545,   54.138885,   8,  66,  326.279144,   17.521816,   744,  1185
 2020, 07, 12, 05, 03,  118.297699,   54.147533,   9,  91,  339.338501,   32.588078,   745,  1184
 2020, 07, 12, 05, 03,  118.284195,   54.146065,   9,  89,  335.953369,   27.460829,   745,  1185
 2020, 07, 12, 05, 03,  118.256691,   54.143063,   9,  81,  333.546417,   24.556339,   745,  1187
 2020, 07, 12, 05, 03,  118.295601,   54.154755,   9,  90,  336.798431,   28.074591,   746,  1184
 2020, 07, 12, 05, 03,  118.293259,   54.161945,   9,  99,  357.871582,   63.882938,   747,  1184
 2020, 07, 12, 05, 03,  118.290939,   54.169132,   9,  94,  363.560699,   76.759918,   748,  1184
 2020, 07, 12, 05, 03,  117.967583,   54.159527,   8,  66,  323.011261,   12.724482,   753,  1206
 2020, 07, 12, 05, 03,  117.953407,   54.157982,   7,  29,  309.342987,    2.780743,   753,  1207
 2020, 07, 12, 05, 03,  117.979057,   54.168175,   9,  94,  359.893829,   66.111786,   754,  1205
 2020, 07, 12, 05, 03,  117.965057,   54.166626,   8,  61,  328.696442,   17.010157,   754,  1206
 2020, 07, 12, 05, 03,  117.951096,   54.165104,   9,  80,  328.686035,   16.969645,   754,  1207
 2020, 07, 12, 05, 03,  118.215477,   54.201317,   9,  96,  351.425201,   50.978870,   755,  1188
 2020, 07, 12, 05, 03,  117.976219,   54.175240,   9,  94,  361.419983,   69.593193,   755,  1205
 2020, 07, 12, 05, 03,  117.962433,   54.173729,   9, 100,  362.225372,   70.751694,   755,  1206
 2020, 07, 12, 05, 03,  117.948830,   54.172222,   9, 100,  379.616364,  118.701447,   755,  1207
 2020, 07, 12, 05, 03,  117.959877,   54.180832,   9, 100,  431.269531,  395.485504,   756,  1206
 2020, 07, 12, 05, 03,  117.946312,   54.179337,   9, 100,  387.291718,  147.258865,   756,  1207
 2020, 07, 12, 05, 03,  125.558372,   54.846470,   7,  20,  304.426178,    4.344615,   764,   699
 2020, 07, 12, 05, 03,  125.558121,   54.856205,   8,  69,  312.613373,   12.642757,   765,   699