year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 07, 15, 02, 31,  121.744408,   66.480431,   9,  96,  351.018860,   83.181938,     3,  2473
 2020, 07, 15, 02, 31,  121.765976,   66.501007,   9, 100,  366.332092,  134.371246,     4,  2471
 2020, 07, 15, 02, 31,  116.630318,   64.445862,   8,  71,  311.298187,   12.094710,     6,  2849
 2020, 07, 15, 02, 31,  116.487595,   64.380394,   8,  74,  313.667542,   16.113171,     6,  2860
 2020, 07, 15, 02, 31,  116.474480,   64.374359,   8,  71,  311.372528,   14.108800,     6,  2861
 2020, 07, 15, 02, 31,  116.455902,   64.417221,   8,  52,  303.980927,    7.104850,     9,  2858
 2020, 07, 15, 02, 31,  116.442734,   64.411209,   8,  62,  307.644318,   10.694062,     9,  2859
 2020, 07, 15, 02, 31,  116.603539,   64.501534,   8,  56,  305.933990,    7.846022,    10,  2845
 2020, 07, 15, 02, 31,  116.590752,   64.495728,   8,  70,  310.732758,   11.740335,    10,  2846
 2020, 07, 15, 02, 31,  116.584045,   64.509621,   9,  88,  332.349731,   40.216209,    11,  2845
 2020, 07, 15, 02, 31,  116.571632,   64.503990,   9,  98,  356.369263,   96.815010,    11,  2846
 2020, 07, 15, 02, 31,  116.558914,   64.498230,   9,  93,  356.369263,   95.956467,    11,  2847
 2020, 07, 15, 02, 31,  116.546143,   64.492432,   8,  78,  336.614227,   46.933849,    11,  2848
 2020, 07, 15, 02, 31,  116.577789,   64.507469,   8,  72,  348.208282,   76.565071,    18,  2845
 2020, 07, 15, 02, 31,  116.565430,   64.501785,   8,  65,  339.894714,   55.160969,    18,  2846
 2020, 07, 15, 02, 31,  116.552727,   64.495934,   8,  65,  360.127014,  110.942482,    18,  2847
 2020, 07, 15, 02, 31,  116.540100,   64.490128,   8,  42,  312.677917,   15.167833,    18,  2848
 2020, 07, 15, 02, 31,  119.743118,   66.501152,   8,  48,  313.520752,   16.688404,    86,  2526
 2020, 07, 15, 02, 31,  119.723602,   66.493675,   9,  83,  324.713928,   32.077961,    86,  2527
 2020, 07, 15, 02, 31,  119.725510,   66.508156,   8,  54,  326.367340,   33.185558,    87,  2526
 2020, 07, 15, 02, 31,  119.706116,   66.500725,   9, 100,  380.314514,  224.777893,    87,  2527
 2020, 07, 15, 02, 31,  119.686348,   66.493156,   9,  88,  336.426331,   52.120556,    87,  2528
 2020, 07, 15, 02, 31,  119.688644,   66.507797,   8,  43,  318.175568,   20.557369,    88,  2527
 2020, 07, 15, 02, 31,  123.091576,   68.314507,   8,  72,  313.040131,    9.187958,   156,  2290
 2020, 07, 15, 02, 31,  123.075722,   68.309486,   9,  95,  347.246246,   50.846233,   156,  2291
 2020, 07, 15, 02, 31,  123.076973,   68.321075,   8,  49,  309.745056,    6.650664,   157,  2290
 2020, 07, 15, 02, 31,  121.868225,   67.988167,   8,  55,  310.804932,    7.057216,   166,  2358
 2020, 07, 15, 02, 31,  121.853798,   68.018913,   8,  72,  312.110016,    8.029854,   169,  2356
 2020, 07, 15, 02, 31,  111.600464,   64.459274,   8,  63,  315.392273,   24.367107,   251,  3001
 2020, 07, 15, 02, 31,  111.603836,   64.466988,   7,  21,  310.792114,   18.266096,   259,  3000
 2020, 07, 15, 02, 31,  111.741112,   64.749901,   8,  36,  301.646759,    8.500495,   277,  2974
 2020, 07, 15, 02, 31,  111.028679,   64.658951,   8,  53,  314.246521,   21.464630,   299,  3000
 2020, 07, 15, 02, 31,  127.177536,   70.825058,   8,  33,  314.415680,    9.511700,   317,  1977
 2020, 07, 15, 02, 31,  127.157471,   70.820137,   9,  86,  328.786499,   21.683819,   317,  1978
 2020, 07, 15, 02, 31,  127.184761,   70.835831,   8,  56,  309.731842,    7.043164,   318,  1976
 2020, 07, 15, 02, 31,  127.164505,   70.830879,   9,  80,  320.309937,   14.281436,   318,  1977
 2020, 07, 15, 02, 31,  127.144173,   70.825897,   9,  96,  349.011566,   48.836937,   318,  1978
 2020, 07, 15, 02, 31,  110.862778,   64.786095,   8,  60,  305.598511,   12.413842,   325,  2994
 2020, 07, 15, 02, 31,  110.686562,   64.818748,   8,  64,  320.939636,   31.469627,   339,  2996
 2020, 07, 15, 02, 31,  110.670700,   64.809975,   8,  61,  321.156677,   31.843102,   339,  2997
 2020, 07, 15, 02, 31,  109.724060,   65.841667,   8,  37,  303.497894,    6.344070,   482,  2935
 2020, 07, 15, 02, 31,  115.271301,   69.095993,   9, 100,  374.810791,  164.221558,   539,  2454
 2020, 07, 15, 02, 31,  115.252800,   69.088684,   9,  96,  350.046997,   77.107841,   539,  2455
 2020, 07, 15, 02, 31,  115.251640,   69.102257,   9,  93,  342.584839,   59.117077,   540,  2454
 2020, 07, 15, 02, 31,  115.233307,   69.095009,   8,  67,  308.279572,    8.664071,   540,  2455