year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 09, 13, 12, 05,    6.982457,   36.865391,   8,  56,  306.748260,    4.954276,     2,  2220
 2020, 09, 13, 12, 05,   16.533897,   38.549129,   8,  79,  321.764679,   10.550665,    17,  1218
 2020, 09, 13, 12, 05,   16.337027,   38.762329,   9,  82,  328.257141,   20.267487,    52,  1231
 2020, 09, 13, 12, 05,    0.776929,   36.291935,   8,  75,  318.704071,   18.017788,   134,  2830
 2020, 09, 13, 12, 05,   16.133991,   39.389885,   9,  85,  330.969269,   20.737442,   149,  1234
 2020, 09, 13, 12, 05,   20.163401,   39.931332,   9,  97,  352.756195,   61.794704,   167,   863
 2020, 09, 13, 12, 05,   20.153713,   39.930500,   9,  97,  353.156982,   62.491795,   167,   864
 2020, 09, 13, 12, 05,   16.048824,   39.572922,   8,  35,  312.594421,    6.078041,   178,  1237
 2020, 09, 13, 12, 05,   16.047812,   39.580036,   8,  40,  313.271790,    6.114497,   179,  1237
 2020, 09, 13, 12, 05,   19.895956,   40.103218,   8,  78,  322.683990,   15.678131,   197,   884
 2020, 09, 13, 12, 05,   16.094917,   39.722488,   8,  60,  318.574554,    9.138284,   199,  1229
 2020, 09, 13, 12, 05,   15.856137,   39.707619,   8,  70,  320.013916,    9.871314,   201,  1252
 2020, 09, 13, 12, 05,   16.760063,   40.459995,   8,  72,  319.276489,    8.135068,   297,  1152
 2020, 09, 13, 12, 05,   16.748648,   40.458683,   9,  87,  334.635529,   24.601719,   297,  1153
 2020, 09, 13, 12, 05,   27.836271,   41.281250,   8,  67,  317.168213,   29.811613,   312,   158
 2020, 09, 13, 12, 05,   27.822048,   41.280998,   8,  67,  316.655853,   28.614334,   312,   159
 2020, 09, 13, 12, 05,   14.554324,   40.712276,   9,  89,  337.036621,   23.596533,   375,  1350
 2020, 09, 13, 12, 05,   19.953489,   41.311142,   8,  79,  322.984772,   16.098335,   377,   854
 2020, 09, 13, 12, 05,   19.952765,   41.319866,   8,  40,  312.316589,    6.501341,   378,   854
 2020, 09, 13, 12, 05,   14.659230,   40.792000,   8,  56,  316.362274,    4.372692,   385,  1337
 2020, 09, 13, 12, 05,   15.942734,   40.972416,   8,  77,  323.391785,   13.432312,   388,  1211
 2020, 09, 13, 12, 05,   14.634988,   40.809940,   9,  91,  342.119171,   28.259357,   388,  1339
 2020, 09, 13, 12, 05,   14.642428,   40.817940,   8,  74,  325.353729,   12.368389,   389,  1338
 2020, 09, 13, 12, 05,   14.633064,   40.816723,   9,  90,  339.618225,   26.004894,   389,  1339
 2020, 09, 13, 12, 05,   15.647287,   41.159412,   8,  66,  316.823547,    4.998816,   421,  1233
 2020, 09, 13, 12, 05,   13.905174,   41.165634,   9,  93,  345.220642,   32.449795,   455,  1401
 2020, 09, 13, 12, 05,   19.947653,   41.841770,   9,  80,  324.316589,   17.714579,   457,   845
 2020, 09, 13, 12, 05,   19.938313,   41.840992,   9,  93,  344.176819,   47.349083,   457,   846
 2020, 09, 13, 12, 05,   14.525120,   41.283501,   8,  51,  318.308746,    7.496671,   460,  1336
 2020, 09, 13, 12, 05,   13.632625,   41.296223,   9,  94,  359.813232,   53.004128,   480,  1424
 2020, 09, 13, 12, 05,   20.313421,   42.153294,   8,  74,  316.598480,   12.125408,   501,   808
 2020, 09, 13, 12, 05,   13.933452,   41.486637,   9,  84,  331.606781,   16.404469,   502,  1388
 2020, 09, 13, 12, 05,   13.477447,   41.465557,   9,  84,  330.336670,   16.619507,   508,  1435
 2020, 09, 13, 12, 05,   13.839170,   41.561298,   9,  90,  340.068390,   26.121347,   515,  1395
 2020, 09, 13, 12, 05,   19.316109,   42.284435,   8,  75,  318.058868,   11.014336,   533,   893
 2020, 09, 13, 12, 05,   19.305454,   42.283520,   8,  74,  317.931641,   10.637771,   533,   894
 2020, 09, 13, 12, 05,   13.055614,   41.906567,   9,  89,  337.988800,   24.396265,   582,  1463
 2020, 09, 13, 12, 05,   13.046166,   41.905239,   8,  73,  319.286743,    8.729915,   582,  1464
 2020, 09, 13, 12, 05,   24.465397,   43.380917,   9,  81,  323.942657,   20.314945,   649,   416
 2020, 09, 13, 12, 05,   24.474945,   43.392563,   9, 100,  368.444733,  120.377762,   650,   415
 2020, 09, 13, 12, 05,   24.464512,   43.392151,   9, 100,  371.207031,  130.403259,   650,   416
 2020, 09, 13, 12, 05,   25.707457,   43.917629,   9,  80,  324.943939,   25.310667,   727,   298
 2020, 09, 13, 12, 05,   25.695360,   43.917316,   9,  85,  331.127441,   35.795086,   727,   299
 2020, 09, 13, 12, 05,   24.421471,   44.142975,   8,  76,  321.294403,   14.661133,   764,   410