year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 08, 02, 05, 07,  116.581886,   39.025513,   8,  49,  315.408783,    4.742611,     1,  1687
 2020, 08, 02, 05, 07,  116.573013,   39.024086,   8,  63,  316.885834,    5.441369,     1,  1688
 2020, 08, 02, 05, 07,  116.952072,   39.125362,   8,  55,  311.817444,    3.842484,     7,  1644
 2020, 08, 02, 05, 07,  116.621231,   39.086720,   8,  53,  313.137512,    4.342408,     9,  1681
 2020, 08, 02, 05, 07,  116.552177,   39.103138,   8,  44,  315.420685,    4.554727,    13,  1688
 2020, 08, 02, 05, 07,  116.780952,   39.146347,   8,  35,  314.403564,    4.220400,    14,  1662
 2020, 08, 02, 05, 07,  116.388580,   39.090599,   8,  46,  322.388489,    7.959068,    15,  1706
 2020, 08, 02, 05, 07,  116.573311,   39.133209,   8,  37,  312.878998,    3.730710,    17,  1684
 2020, 08, 02, 05, 07,  116.473839,   39.124073,   8,  39,  315.726685,    4.800031,    18,  1695
 2020, 08, 02, 05, 07,  115.701561,   39.066181,   7,  26,  313.622650,    4.547226,    28,  1779
 2020, 08, 02, 05, 07,  115.894264,   39.240185,   8,  59,  313.647217,    4.680854,    49,  1752
 2020, 08, 02, 05, 07,  117.917168,   39.590927,   8,  43,  311.131683,    3.441143,    54,  1524
 2020, 08, 02, 05, 07,  117.949760,   39.609390,   8,  67,  317.467682,    6.261947,    56,  1520
 2020, 08, 02, 05, 07,  116.260788,   39.450600,   7,  27,  315.596161,    2.722955,    71,  1706
 2020, 08, 02, 05, 07,  118.091278,   39.758751,   8,  72,  319.206726,    6.784408,    75,  1500
 2020, 08, 02, 05, 07,  118.082291,   39.757442,   8,  65,  314.850677,    4.391871,    75,  1501
 2020, 08, 02, 05, 07,  118.090790,   39.805592,   8,  65,  319.102600,    5.064809,    82,  1498
 2020, 08, 02, 05, 07,  118.053085,   39.806988,   8,  75,  321.580658,    8.290972,    83,  1502
 2020, 08, 02, 05, 07,  115.960701,   39.524651,   8,  49,  316.934723,    5.367000,    89,  1735
 2020, 08, 02, 05, 07,  116.040024,   39.544548,   8,  70,  318.724182,    6.510850,    90,  1726
 2020, 08, 02, 05, 07,  116.031006,   39.543072,   8,  56,  315.159119,    4.630845,    90,  1727
 2020, 08, 02, 05, 07,  115.982048,   39.657665,   8,  74,  321.632233,    7.217235,   108,  1728
 2020, 08, 02, 05, 07,  110.588463,   39.381737,   8,  71,  319.626892,    9.702893,   216,  2225
 2020, 08, 02, 05, 07,  115.211861,   40.375008,   8,  39,  320.399200,    7.343625,   232,  1781
 2020, 08, 02, 05, 07,  115.154022,   40.625366,   8,  69,  314.196564,    5.353665,   270,  1778
 2020, 08, 02, 05, 07,  114.128197,   40.529659,   8,  76,  319.528870,    9.719218,   282,  1883
 2020, 08, 02, 05, 07,  114.854347,   40.684174,   8,  76,  319.890503,    9.526322,   286,  1806
 2020, 08, 02, 05, 07,  114.798050,   40.674583,   8,  68,  313.692505,    5.589066,   286,  1812
 2020, 08, 02, 05, 07,  114.916214,   40.747734,   8,  61,  319.225006,    5.989651,   294,  1797
 2020, 08, 02, 05, 07,  114.835304,   40.754944,   8,  52,  321.351593,    8.043858,   297,  1805
 2020, 08, 02, 05, 07,  114.795769,   40.755188,   8,  61,  323.170135,    8.246970,   298,  1809
 2020, 08, 02, 05, 07,  114.530861,   40.709557,   8,  41,  313.442200,    5.331264,   298,  1837
 2020, 08, 02, 05, 07,  112.776932,   40.617870,   8,  79,  322.131836,   14.119020,   331,  2004
 2020, 08, 02, 05, 07,  114.334320,   41.063625,   9,  91,  340.543701,   30.145124,   355,  1843
 2020, 08, 02, 05, 07,  114.324745,   41.061951,   8,  76,  319.060028,   10.373567,   355,  1844
 2020, 08, 02, 05, 07,  114.781357,   41.169048,   8,  71,  314.502655,    7.014468,   359,  1795
 2020, 08, 02, 05, 07,  114.771957,   41.167446,   8,  62,  313.037170,    5.556596,   359,  1796
 2020, 08, 02, 05, 07,  114.751152,   41.170883,   8,  77,  320.293304,    9.642589,   360,  1798
 2020, 08, 02, 05, 07,  114.215622,   41.120716,   8,  69,  313.202057,    6.376174,   366,  1853
 2020, 08, 02, 05, 07,  110.581627,   40.571186,   8,  60,  311.354004,    7.305709,   389,  2178
 2020, 08, 02, 05, 07,  115.345352,   41.598114,   8,  67,  313.145142,    6.050276,   408,  1722
 2020, 08, 02, 05, 07,  115.682617,   41.666576,   8,  53,  316.056091,    5.369810,   410,  1685
 2020, 08, 02, 05, 07,  114.768761,   41.569267,   8,  68,  313.463623,    5.821115,   418,  1781
 2020, 08, 02, 05, 07,  112.646362,   42.741013,   8,  57,  319.437256,    7.091084,   644,  1938