year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 07, 15, 05, 51,  116.440331,   64.408890,   8,  76,  331.207855,   33.103279,    38,   463
 2020, 07, 15, 05, 51,  123.865807,   64.281845,   8,  37,  306.918396,   14.859450,    39,   110
 2020, 07, 15, 05, 51,  124.867744,   64.262215,   8,  64,  306.800171,   19.486898,    41,    75
 2020, 07, 15, 05, 51,  124.838028,   64.263718,   8,  68,  308.852203,   22.809771,    41,    76
 2020, 07, 15, 05, 51,  122.895576,   64.821419,   8,  59,  335.774628,   67.430771,   118,   149
 2020, 07, 15, 05, 51,  122.869568,   64.822403,   8,  76,  337.708740,   75.472084,   118,   150
 2020, 07, 15, 05, 51,  122.843674,   64.823387,   8,  52,  325.296021,   44.771416,   118,   151
 2020, 07, 15, 05, 51,  123.219276,   64.835457,   8,  70,  314.120667,   23.350647,   120,   137
 2020, 07, 15, 05, 51,  123.191475,   64.836555,   9,  83,  323.997833,   42.216084,   120,   138
 2020, 07, 15, 05, 51,  123.151001,   64.891479,   7,   9,  304.243988,    9.730051,   124,   140
 2020, 07, 15, 05, 51,  122.877083,   64.871590,   8,  57,  315.351837,   27.523876,   130,   150
 2020, 07, 15, 05, 51,  123.144730,   64.887436,   8,  57,  307.848694,   14.886329,   132,   140
 2020, 07, 15, 05, 51,  123.077385,   64.930099,   8,  64,  311.580231,   22.001831,   135,   143
 2020, 07, 15, 05, 51,  123.050270,   64.931152,   8,  49,  306.252686,   14.212302,   135,   144
 2020, 07, 15, 05, 51,  121.529716,   65.535423,   8,  63,  306.385956,   13.262322,   218,   207
 2020, 07, 15, 05, 51,  121.505135,   65.536125,   9, 100,  367.844116,  187.264236,   218,   208
 2020, 07, 15, 05, 51,  121.480377,   65.536804,   9,  87,  331.584137,   54.943913,   218,   209
 2020, 07, 15, 05, 51,  121.680000,   65.556717,   8,  75,  325.335236,   38.501637,   220,   201
 2020, 07, 15, 05, 51,  121.707588,   65.568726,   8,  31,  318.827881,   27.518238,   221,   200
 2020, 07, 15, 05, 51,  121.488495,   65.574722,   7,  12,  301.796570,    7.967892,   221,   209
 2020, 07, 15, 05, 51,  121.463890,   65.575371,   8,  63,  324.393005,   39.968578,   221,   210
 2020, 07, 15, 05, 51,  121.518379,   65.536148,   8,  69,  338.642731,   71.648621,   226,   207
 2020, 07, 15, 05, 51,  121.493698,   65.536911,   8,  75,  367.828522,  186.410294,   226,   208
 2020, 07, 15, 05, 51,  121.693115,   65.556274,   8,  55,  318.941803,   27.339872,   228,   200
 2020, 07, 15, 05, 51,  121.668480,   65.557030,   8,  60,  319.417023,   27.562487,   228,   201
 2020, 07, 15, 05, 51,  121.476852,   65.575584,   8,  78,  318.329407,   27.721088,   229,   209
 2020, 07, 15, 05, 51,  121.452263,   65.576309,   8,  76,  315.779205,   24.359364,   229,   210
 2020, 07, 15, 05, 51,  122.913116,   65.592476,   9,  86,  328.509247,   52.031410,   234,   153
 2020, 07, 15, 05, 51,  122.885857,   65.593491,   8,  60,  310.142426,   16.441626,   234,   154
 2020, 07, 15, 05, 51,  123.024796,   65.601532,   8,  65,  309.368561,   14.456136,   235,   149
 2020, 07, 15, 05, 51,  121.466309,   65.652153,   8,  74,  314.210968,   17.709948,   235,   210
 2020, 07, 15, 05, 51,  122.785980,   65.623505,   8,  74,  317.408386,   23.240791,   236,   158
 2020, 07, 15, 05, 51,  122.903053,   65.589943,   8,  62,  323.563965,   38.143143,   242,   153
 2020, 07, 15, 05, 51,  121.457359,   65.653694,   8,  71,  313.936432,   17.090395,   243,   210
 2020, 07, 15, 05, 51,  122.999901,   65.652298,   8,  67,  308.720917,   12.871550,   247,   150
 2020, 07, 15, 05, 51,  123.020378,   65.731010,   8,  55,  312.337006,   16.531919,   253,   150
 2020, 07, 15, 05, 51,  123.007362,   65.727959,   8,  70,  310.618225,   13.906549,   261,   150
 2020, 07, 15, 05, 51,  121.087875,   65.804718,   8,  46,  315.014954,   22.670719,   262,   226
 2020, 07, 15, 05, 51,  122.746384,   65.764442,   8,  70,  310.214966,   15.448505,   263,   160
 2020, 07, 15, 05, 51,  122.719292,   65.765442,   8,  70,  310.697601,   16.934774,   263,   161
 2020, 07, 15, 05, 51,  122.586708,   65.770325,   9,  82,  323.528625,   39.227253,   263,   166
 2020, 07, 15, 05, 51,  122.560440,   65.771263,   8,  68,  311.354187,   18.839340,   263,   167
 2020, 07, 15, 05, 51,  121.112877,   65.816635,   9,  91,  342.395386,   78.482460,   263,   225
 2020, 07, 15, 05, 51,  121.089241,   65.817268,   8,  77,  325.573578,   39.281559,   263,   226
 2020, 07, 15, 05, 51,  123.071159,   65.765221,   8,  54,  306.448303,   10.123652,   264,   148
 2020, 07, 15, 05, 51,  122.412155,   65.815643,   8,  39,  300.619720,    9.333820,   266,   173
 2020, 07, 15, 05, 51,  122.578957,   65.849121,   8,  65,  329.116821,   51.001690,   269,   167
 2020, 07, 15, 05, 51,  122.409584,   65.814812,   7,  25,  300.248566,    8.980251,   274,   173
 2020, 07, 15, 05, 51,  122.549538,   65.848839,   9,  85,  327.235046,   46.339027,   277,   168
 2020, 07, 15, 05, 51,  122.476860,   65.877602,   8,  67,  308.120544,   17.011549,   279,   171
 2020, 07, 15, 05, 51,  124.603821,   65.814461,   8,  77,  317.092834,   33.114365,   281,    95
 2020, 07, 15, 05, 51,  124.574303,   65.815903,   8,  75,  317.606537,   34.075432,   281,    96
 2020, 07, 15, 05, 51,  124.545341,   65.817322,   8,  40,  319.361176,   35.519978,   281,    97
 2020, 07, 15, 05, 51,  122.962486,   65.885963,   8,  68,  310.601105,   16.003912,   281,   153
 2020, 07, 15, 05, 51,  124.578773,   65.829491,   8,  73,  338.207947,   84.207535,   282,    96
 2020, 07, 15, 05, 51,  124.549118,   65.830917,   8,  54,  331.680756,   63.432217,   282,    97
 2020, 07, 15, 05, 51,  124.496590,   65.847221,   8,  33,  309.060760,   18.663631,   283,    99
 2020, 07, 15, 05, 51,  122.514389,   65.928513,   8,  39,  314.731384,   21.694633,   283,   170
 2020, 07, 15, 05, 51,  122.488075,   65.929420,   8,  78,  322.426605,   36.355923,   283,   171
 2020, 07, 15, 05, 51,  122.461685,   65.930321,   8,  43,  312.728271,   20.834808,   283,   172
 2020, 07, 15, 05, 51,  122.973160,   65.925232,   7,  28,  305.416290,    8.661435,   284,   153
 2020, 07, 15, 05, 51,  124.511742,   65.839020,   8,  45,  315.817749,   28.113329,   291,    98
 2020, 07, 15, 05, 51,  122.502800,   65.927277,   8,  46,  313.622681,   19.666677,   291,   170
 2020, 07, 15, 05, 51,  122.476395,   65.928261,   8,  67,  324.088013,   38.390682,   291,   171
 2020, 07, 15, 05, 51,  122.511261,   65.966156,   9,  87,  330.830292,   53.877422,   294,   170
 2020, 07, 15, 05, 51,  122.485046,   65.967110,   8,  69,  315.804688,   24.332968,   294,   171
 2020, 07, 15, 05, 51,  122.943581,   65.963081,   7,  27,  314.516327,   19.571262,   295,   154
 2020, 07, 15, 05, 51,  122.487762,   65.980072,   8,  30,  305.753906,   11.592481,   295,   171
 2020, 07, 15, 05, 51,  122.949730,   65.989273,   8,  52,  319.460815,   27.549831,   297,   154
 2020, 07, 15, 05, 51,  122.853546,   66.045609,   8,  62,  326.014771,   40.728218,   301,   158
 2020, 07, 15, 05, 51,  122.826431,   66.046577,   8,  32,  313.481476,   18.634212,   301,   159
 2020, 07, 15, 05, 51,  122.799339,   66.047546,   7,  29,  307.940216,   12.159655,   301,   160
 2020, 07, 15, 05, 51,  122.889832,   66.002533,   7,  25,  311.541168,   14.145014,   306,   156
 2020, 07, 15, 05, 51,  122.844391,   66.043892,   9,  84,  327.756409,   43.994144,   309,   158
 2020, 07, 15, 05, 51,  119.195953,   66.280975,   8,  71,  322.319183,   29.404455,   328,   311
 2020, 07, 15, 05, 51,  124.676781,   66.133499,   8,  41,  312.000702,   20.732800,   330,    95
 2020, 07, 15, 05, 51,  124.713379,   66.145523,   8,  78,  317.756104,   33.539867,   331,    94
 2020, 07, 15, 05, 51,  124.681511,   66.147079,   8,  66,  314.159088,   26.422186,   331,    95
 2020, 07, 15, 05, 51,  119.860626,   66.330894,   8,  71,  344.672699,   76.125725,   333,   281
 2020, 07, 15, 05, 51,  119.838249,   66.331261,   8,  59,  318.139038,   23.229380,   333,   282
 2020, 07, 15, 05, 51,  119.720116,   66.303543,   8,  39,  305.442291,    7.474960,   338,   287
 2020, 07, 15, 05, 51,  119.284348,   66.311478,   8,  44,  304.069763,    8.573086,   338,   307
 2020, 07, 15, 05, 51,  124.709175,   66.138367,   9,  83,  324.165314,   48.727131,   339,    94
 2020, 07, 15, 05, 51,  124.678177,   66.139977,   9,  82,  323.076447,   46.035355,   339,    95
 2020, 07, 15, 05, 51,  119.858360,   66.337242,   9,  94,  345.103271,   78.213661,   341,   281
 2020, 07, 15, 05, 51,  119.836395,   66.337669,   8,  70,  310.800079,   14.904296,   341,   282
 2020, 07, 15, 05, 51,  121.789009,   66.313087,   9,  99,  359.798126,  144.002029,   343,   200
 2020, 07, 15, 05, 51,  121.763504,   66.313889,   9, 100,  370.159454,  196.427551,   343,   201
 2020, 07, 15, 05, 51,  121.738464,   66.314674,   9,  86,  358.111084,  139.162720,   343,   202
 2020, 07, 15, 05, 51,  121.771889,   66.352020,   8,  77,  341.709717,   74.405777,   346,   201
 2020, 07, 15, 05, 51,  119.888374,   66.397461,   8,  61,  312.703094,   19.860596,   346,   280
 2020, 07, 15, 05, 51,  121.785950,   66.352013,   8,  48,  327.977722,   42.575569,   354,   200
 2020, 07, 15, 05, 51,  121.760796,   66.352837,   8,  60,  334.970642,   59.732124,   354,   201
 2020, 07, 15, 05, 51,  119.878082,   66.403328,   8,  49,  309.170990,   17.482393,   354,   280
 2020, 07, 15, 05, 51,  121.788628,   66.364723,   8,  44,  314.866211,   22.544592,   355,   200
 2020, 07, 15, 05, 51,  121.975433,   66.397072,   8,  75,  314.361420,   19.660908,   358,   193
 2020, 07, 15, 05, 51,  121.759048,   66.507301,   8,  51,  314.696991,   22.963184,   374,   202
 2020, 07, 15, 05, 51,  121.901627,   66.579704,   8,  67,  308.280823,   12.934912,   380,   197
 2020, 07, 15, 05, 51,  121.875290,   66.580490,   8,  75,  314.630920,   21.633305,   380,   198
 2020, 07, 15, 05, 51,  121.890022,   66.580109,   8,  78,  317.383270,   25.255379,   388,   197
 2020, 07, 15, 05, 51,  121.788704,   67.973625,   8,  74,  314.086517,   20.446308,   600,   209
 2020, 07, 15, 05, 51,  121.855301,   68.009758,   8,  67,  311.473755,   15.141112,   603,   207
 2020, 07, 15, 05, 51,  121.824783,   68.010704,   8,  49,  309.487396,   13.090468,   603,   208
 2020, 07, 15, 05, 51,  121.842705,   68.010841,   9,  81,  321.617706,   31.256145,   611,   207
 2020, 07, 15, 05, 51,  123.091187,   68.301117,   8,  65,  328.897949,   54.637974,   653,   165
 2020, 07, 15, 05, 51,  123.062004,   68.302231,   8,  75,  375.948792,  257.451721,   653,   166
 2020, 07, 15, 05, 51,  123.033714,   68.303314,   8,  64,  327.608215,   51.659931,   653,   167
 2020, 07, 15, 05, 51,  123.081009,   68.299316,   9,  95,  346.727264,  104.011154,   661,   165
 2020, 07, 15, 05, 51,  123.052086,   68.300507,   9, 100,  371.302460,  224.135529,   661,   166
 2020, 07, 15, 05, 51,  123.085381,   68.312279,   7,  28,  314.781830,   22.621613,   662,   165
 2020, 07, 15, 05, 51,  123.064857,   68.339363,   8,  71,  319.498169,   31.572124,   664,   166
 2020, 07, 15, 05, 51,  115.242638,   69.100082,   9,  94,  380.850769,  150.122574,   761,   502
 2020, 07, 15, 05, 51,  115.223282,   69.099953,   9,  87,  376.939972,  134.373444,   761,   503
 2020, 07, 15, 05, 51,  115.242256,   69.110893,   9, 100,  372.592102,  114.077240,   762,   502
 2020, 07, 15, 05, 51,  115.223068,   69.110779,   9, 100,  429.151245,  450.016693,   762,   503
 2020, 07, 15, 05, 51,  115.203751,   69.110649,   9,  99,  357.364685,   75.303345,   762,   504
 2020, 07, 15, 05, 51,  115.241997,   69.121719,   9, 100,  362.027466,   87.327011,   763,   502
 2020, 07, 15, 05, 51,  115.222763,   69.121590,   9, 100,  395.186829,  215.749252,   763,   503
 2020, 07, 15, 05, 51,  115.203568,   69.121468,   9,  86,  334.769409,   33.592636,   763,   504