year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2021, 01, 20, 04, 56,  116.552223,   23.605989,   8,  67,  308.257965,    6.470076,   115,  2363
 2021, 01, 20, 04, 56,  115.821838,   24.105902,   8,  54,  311.036896,   10.709313,   206,  2421
 2021, 01, 20, 04, 56,  115.822495,   24.111843,   9,  81,  321.134888,   21.488720,   211,  2420
 2021, 01, 20, 04, 56,  114.821053,   24.091082,   8,  64,  306.961426,   11.040291,   235,  2510
 2021, 01, 20, 04, 56,  114.294586,   24.157444,   8,  65,  307.388794,   14.037949,   263,  2550
 2021, 01, 20, 04, 56,  114.282150,   24.154758,   8,  77,  317.105408,   26.736830,   263,  2551
 2021, 01, 20, 04, 56,  114.814102,   24.377165,   8,  75,  315.027985,   21.145779,   279,  2503
 2021, 01, 20, 04, 56,  112.056656,   24.105717,   9,  87,  331.046021,   40.654800,   328,  2835
 2021, 01, 20, 04, 56,  112.047646,   24.103634,   9,  87,  331.517273,   41.410336,   328,  2836
 2021, 01, 20, 04, 56,  111.971375,   24.085972,   8,  45,  301.115997,    7.732323,   328,  2845
 2021, 01, 20, 04, 56,  111.961525,   24.083693,   8,  59,  304.314911,   10.137159,   328,  2846
 2021, 01, 20, 04, 56,  113.802620,   24.659634,   8,  41,  302.842773,    6.191442,   349,  2590
 2021, 01, 20, 04, 56,  113.803101,   24.653461,   8,  40,  302.684479,    6.080689,   354,  2589
 2021, 01, 20, 04, 56,  112.613678,   24.836540,   8,  53,  310.830292,   13.667661,   413,  2741
 2021, 01, 20, 04, 56,  112.610764,   24.843416,   8,  73,  313.229828,   15.170790,   420,  2740
 2021, 01, 20, 04, 56,  118.446846,   26.208401,   9,  80,  320.453613,   19.856722,   442,  2085
 2021, 01, 20, 04, 56,  118.436508,   26.206518,   9,  81,  321.715485,   20.991619,   442,  2086
 2021, 01, 20, 04, 56,  112.613518,   25.204876,   9,  93,  342.035889,   50.304466,   471,  2724
 2021, 01, 20, 04, 56,  112.605957,   25.203150,   9, 100,  360.783813,   93.156906,   471,  2725
 2021, 01, 20, 04, 56,  110.386993,   24.677933,   8,  53,  302.509338,   12.172081,   471,  2980
 2021, 01, 20, 04, 56,  109.833115,   24.717276,   8,  59,  304.548828,   15.174714,   492,  3026
 2021, 01, 20, 04, 56,  109.835136,   24.719355,   8,  63,  306.261414,   17.579895,   500,  3025
 2021, 01, 20, 04, 56,  118.920288,   26.713846,   9,  82,  322.745544,   19.715343,   504,  2023
 2021, 01, 20, 04, 56,  118.661369,   26.697685,   8,  31,  300.360535,    4.980901,   508,  2050
 2021, 01, 20, 04, 56,  112.191490,   25.602318,   9,  88,  333.052338,   37.018864,   540,  2759
 2021, 01, 20, 04, 56,  112.183701,   25.600544,   8,  50,  308.309052,    9.428573,   540,  2760
 2021, 01, 20, 04, 56,  112.188530,   25.613075,   8,  70,  340.829803,   49.886337,   541,  2759
 2021, 01, 20, 04, 56,  112.180862,   25.611338,   8,  39,  311.135742,   11.306425,   541,  2760
 2021, 01, 20, 04, 56,  112.197357,   25.610529,   7,  24,  303.744476,    5.881457,   547,  2757
 2021, 01, 20, 04, 56,  112.189659,   25.608715,   9, 100,  362.998322,  104.812431,   547,  2758
 2021, 01, 20, 04, 56,  112.181931,   25.606905,   9,  81,  321.141327,   21.923544,   547,  2759
 2021, 01, 20, 04, 56,  118.204361,   26.942400,   8,  63,  306.287872,    9.036883,   556,  2087
 2021, 01, 20, 04, 56,  118.193718,   26.940475,   8,  71,  311.583984,   12.472480,   556,  2088
 2021, 01, 20, 04, 56,  118.191864,   26.947870,   9,  86,  328.984680,   28.238350,   557,  2088
 2021, 01, 20, 04, 56,  112.308273,   25.956963,   8,  63,  307.027740,    8.321121,   588,  2729
 2021, 01, 20, 04, 56,  110.933395,   25.637779,   8,  31,  300.173676,    9.750423,   588,  2896
 2021, 01, 20, 04, 56,  112.305397,   25.967583,   8,  49,  308.382172,    9.143681,   589,  2729
 2021, 01, 20, 04, 56,  112.307602,   25.964024,   8,  79,  319.477936,   19.616173,   595,  2728
 2021, 01, 20, 04, 56,  110.926048,   25.633644,   8,  52,  302.368439,   11.247382,   595,  2896
 2021, 01, 20, 04, 56,  111.269211,   26.203045,   8,  59,  304.331390,   10.205080,   663,  2838
 2021, 01, 20, 04, 56,  111.468811,   26.384272,   8,  45,  301.164001,    7.149006,   681,  2809
 2021, 01, 20, 04, 56,  118.344185,   27.932899,   8,  76,  315.922913,   14.709373,   698,  2044
 2021, 01, 20, 04, 56,  118.334610,   27.931177,   8,  71,  310.881409,   11.448096,   698,  2045
 2021, 01, 20, 04, 56,  116.310936,   27.759869,   8,  77,  317.188385,   13.883488,   729,  2245
 2021, 01, 20, 04, 56,  116.613594,   28.020952,   8,  59,  304.362305,    5.080169,   759,  2199