year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2021, 03, 04, 13, 09,   15.139879,   -0.703553,   8,  37,  300.888214,    4.768319,     3,   217
 2021, 03, 04, 13, 09,   16.042904,   -0.509214,   8,  71,  311.321838,   19.528379,     7,   130
 2021, 03, 04, 13, 09,   15.399055,   -0.598404,   8,  75,  314.724701,   22.715010,     8,   190
 2021, 03, 04, 13, 09,   15.388906,   -0.600025,   8,  73,  312.574097,   19.271465,     8,   191
 2021, 03, 04, 13, 09,   14.424420,   -0.753650,   8,  73,  313.432373,   12.597012,     8,   294
 2021, 03, 04, 13, 09,   17.381353,   -0.252456,   8,  73,  313.027893,   29.051708,    10,    23
 2021, 03, 04, 13, 09,   17.367296,   -0.254731,   8,  62,  305.897461,   15.602307,    10,    24
 2021, 03, 04, 13, 09,   14.921327,   -0.611531,   8,  54,  311.733917,   14.588861,    13,   238
 2021, 03, 04, 13, 09,   17.385979,   -0.248998,   8,  65,  307.316406,   17.188942,    19,    22
 2021, 03, 04, 13, 09,   17.371895,   -0.251181,   8,  70,  310.766479,   24.538795,    19,    23
 2021, 03, 04, 13, 09,   14.921032,   -0.605910,   8,  71,  310.952423,   14.126198,    21,   237
 2021, 03, 04, 13, 09,   17.405634,   -0.187139,   8,  63,  306.281067,   15.112092,    23,    20
 2021, 03, 04, 13, 09,   14.584348,   -0.559856,   8,  31,  306.060364,    6.909972,    29,   272
 2021, 03, 04, 13, 09,   14.593667,   -0.563357,   8,  53,  303.627655,    6.228101,    36,   270
 2021, 03, 04, 13, 09,   14.584856,   -0.564726,   8,  71,  311.501953,   13.799569,    36,   271
 2021, 03, 04, 13, 09,   12.662757,   -0.862596,   8,  57,  304.553925,    4.632713,    36,   525
 2021, 03, 04, 13, 09,   15.722672,   -0.308251,   8,  58,  303.939117,    8.937793,    42,   154
 2021, 03, 04, 13, 09,   12.963722,   -0.738561,   8,  53,  302.990356,    3.803963,    43,   478
 2021, 03, 04, 13, 09,   15.727962,   -0.307307,   8,  45,  304.569824,    9.722817,    50,   153
 2021, 03, 04, 13, 09,   15.801933,   -0.123055,   8,  58,  303.939423,    9.891068,    71,   143
 2021, 03, 04, 13, 09,   14.888609,    0.002054,   8,  54,  302.861694,    6.472980,   115,   226
 2021, 03, 04, 13, 09,   15.024035,    0.150827,   8,  38,  302.106232,    5.943839,   125,   210
 2021, 03, 04, 13, 09,   17.271366,    0.618257,   7,   0,  304.133301,   13.134354,   141,    17
 2021, 03, 04, 13, 09,   17.262980,    0.619219,   8,  71,  321.731018,   52.035542,   150,    17
 2021, 03, 04, 13, 09,   17.248718,    0.617017,   8,  55,  306.587311,   16.573086,   150,    18
 2021, 03, 04, 13, 09,   17.228184,    0.657984,   8,  49,  304.093048,   11.977488,   153,    19
 2021, 03, 04, 13, 09,   17.232077,    0.660280,   8,  48,  306.527161,   17.713863,   162,    18
 2021, 03, 04, 13, 09,   17.039019,    1.034915,   8,  53,  305.374359,   15.341494,   216,    26
 2021, 03, 04, 13, 09,   12.038073,    2.068239,   8,  59,  304.507935,    4.752028,   487,   519
 2021, 03, 04, 13, 09,   12.031527,    2.067263,   8,  52,  302.292572,    3.446309,   487,   520
 2021, 03, 04, 13, 09,   13.279213,    2.678882,   8,  53,  302.745453,    5.143574,   551,   336
 2021, 03, 04, 13, 09,   13.814549,    3.044104,   8,  31,  303.160339,    6.893643,   589,   267
 2021, 03, 04, 13, 09,   13.805632,    3.042759,   8,  38,  304.165192,    8.305544,   589,   268
 2021, 03, 04, 13, 09,   13.814524,    3.051634,   8,  55,  303.114624,    6.900463,   597,   266
 2021, 03, 04, 13, 09,   13.805585,    3.050350,   8,  58,  304.119843,    7.702554,   597,   267
 2021, 03, 04, 13, 09,   12.514317,    3.419078,   8,  58,  313.358673,   11.894850,   679,   411
 2021, 03, 04, 13, 09,   13.385332,    3.591258,   7,  27,  300.823547,    4.582105,   690,   300
 2021, 03, 04, 13, 09,   12.104849,    3.714134,   8,  59,  309.398346,    7.738958,   730,   458
 2021, 03, 04, 13, 09,   12.294079,    3.764456,   8,  63,  308.070038,    6.716818,   732,   431
 2021, 03, 04, 13, 09,   11.038744,    3.577916,   8,  53,  302.537354,    5.177005,   732,   624
 2021, 03, 04, 13, 09,   13.195393,    3.909529,   8,  51,  308.743378,   10.069192,   733,   315
 2021, 03, 04, 13, 09,   12.023610,    3.735470,   7,  29,  300.760651,    3.471845,   733,   469
 2021, 03, 04, 13, 09,   12.016699,    3.734441,   8,  30,  300.660065,    3.487277,   733,   470
 2021, 03, 04, 13, 09,   13.194527,    3.907423,   8,  69,  309.537567,   10.436792,   740,   314
 2021, 03, 04, 13, 09,   12.319012,    3.784011,   8,  65,  312.441620,   11.795283,   740,   426
 2021, 03, 04, 13, 09,   13.264433,    3.965489,   8,  63,  306.189423,    8.102096,   744,   305
 2021, 03, 04, 13, 09,   13.063404,    3.996181,   8,  59,  317.704132,   18.496962,   749,   328
 2021, 03, 04, 13, 09,   13.065605,    3.995565,   8,  78,  318.453156,   19.188990,   756,   327
 2021, 03, 04, 13, 09,    6.821076,    3.143843,   8,  71,  319.641693,   17.640776,   762,  1095
 2021, 03, 04, 13, 09,   14.995612,    4.385373,   8,  53,  313.909058,   18.647141,   765,   126