year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 10, 16, 05, 00,  112.020775,   37.275810,   8,  32,  310.185516,    8.207480,   193,  2326
 2020, 10, 16, 05, 00,  112.005241,   37.290325,   8,  74,  313.969940,   11.269747,   195,  2327
 2020, 10, 16, 05, 00,  116.438179,   38.215137,   8,  72,  312.325531,    8.281406,   200,  1895
 2020, 10, 16, 05, 00,  117.490471,   39.029854,   8,  70,  310.720734,    6.387796,   293,  1758
 2020, 10, 16, 05, 00,  116.625618,   39.034775,   8,  76,  316.040833,   10.733741,   315,  1847
 2020, 10, 16, 05, 00,  117.564400,   39.322475,   9,  92,  340.465759,   30.964516,   334,  1740
 2020, 10, 16, 05, 00,  118.235619,   39.769428,   8,  74,  313.525208,    7.524540,   384,  1652
 2020, 10, 16, 05, 00,  118.089233,   39.760017,   8,  77,  316.578552,    9.324378,   386,  1668
 2020, 10, 16, 05, 00,  118.185783,   39.782135,   8,  73,  312.559845,    7.012185,   387,  1657
 2020, 10, 16, 05, 00,  118.143082,   39.802803,   8,  66,  307.600494,    4.801877,   391,  1661
 2020, 10, 16, 05, 00,  122.570534,   40.647617,   9,  88,  333.147522,   29.774986,   426,  1188
 2020, 10, 16, 05, 00,  116.141342,   39.803555,   9,  90,  336.350830,   28.226929,   440,  1867
 2020, 10, 16, 05, 00,  123.003609,   41.164337,   8,  67,  311.707153,    8.957825,   495,  1139
 2020, 10, 16, 05, 00,  122.991997,   41.163021,   8,  69,  313.239258,    9.928074,   495,  1140
 2020, 10, 16, 05, 00,  122.995659,   41.165077,   9,  83,  323.668335,   19.419565,   497,  1139
 2020, 10, 16, 05, 00,  115.517677,   40.254208,   9,  80,  320.824860,   15.664884,   522,  1911
 2020, 10, 16, 05, 00,  110.171387,   39.256172,   8,  71,  311.038757,   12.724448,   537,  2411
 2020, 10, 16, 05, 00,  123.062157,   41.508881,   8,  77,  317.050323,   15.465532,   547,  1126
 2020, 10, 16, 05, 00,  115.074196,   40.560913,   8,  72,  312.285919,    9.888557,   579,  1941
 2020, 10, 16, 05, 00,  113.991371,   40.385574,   9,  81,  320.974396,   17.752169,   583,  2043
 2020, 10, 16, 05, 00,  123.751335,   41.842266,   8,  62,  305.616486,    8.667802,   585,  1065
 2020, 10, 16, 05, 00,  113.786507,   40.360996,   9,  86,  328.960266,   25.622969,   585,  2061
 2020, 10, 16, 05, 00,  113.795288,   40.370422,   8,  70,  310.334656,    9.875999,   586,  2060
 2020, 10, 16, 05, 00,  113.784103,   40.368237,   8,  76,  315.403900,   13.537327,   586,  2061
 2020, 10, 16, 05, 00,  111.016975,   40.310043,   8,  39,  300.602051,    5.490845,   662,  2296
 2020, 10, 16, 05, 00,  109.683784,   40.597717,   8,  46,  301.293365,    6.932178,   746,  2399
 2020, 10, 16, 05, 00,  109.748116,   40.622120,   8,  69,  309.440704,   11.577162,   747,  2393
 2020, 10, 16, 05, 00,  109.736855,   40.619514,   8,  60,  304.978973,    8.367372,   747,  2394