year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 08, 08, 04, 44,  116.159348,    4.983418,   8,  48,  301.611694,   10.670611,   394,  3132
 2020, 08, 08, 04, 44,  116.164497,    4.976758,   8,  37,  301.685944,   10.526330,   402,  3131
 2020, 08, 08, 04, 44,  115.577919,    4.942206,   8,  66,  309.563660,   23.400692,   407,  3174
 2020, 08, 08, 04, 44,  115.564140,    4.939726,   8,  55,  303.059814,   14.547688,   407,  3175
 2020, 08, 08, 04, 44,  115.616760,    4.963817,   9,  89,  335.416321,   99.715927,   408,  3171
 2020, 08, 08, 04, 44,  115.600746,    4.960943,   9,  82,  323.034210,   56.418320,   408,  3172
 2020, 08, 08, 04, 44,  116.163239,    5.132072,   8,  36,  301.458588,    9.926694,   413,  3129
 2020, 08, 08, 04, 44,  116.628868,    5.824420,   8,  64,  306.628204,   15.985188,   507,  3078
 2020, 08, 08, 04, 44,  116.632187,    5.822791,   8,  57,  303.699799,   11.793345,   515,  3077
 2020, 08, 08, 04, 44,  116.622337,    5.820977,   8,  43,  301.865601,    9.755202,   515,  3078
 2020, 08, 08, 04, 44,  116.807449,    5.976007,   8,  50,  302.033203,    8.889143,   524,  3059
 2020, 08, 08, 04, 44,  116.797028,    5.974169,   8,  65,  307.031586,   14.779418,   524,  3060
 2020, 08, 08, 04, 44,  116.802124,    5.973389,   8,  68,  308.875885,   17.454662,   532,  3059
 2020, 08, 08, 04, 44,  117.359520,    6.301387,   8,  48,  301.630157,    6.915414,   565,  3000
 2020, 08, 08, 04, 44,  117.039963,    6.269538,   8,  77,  317.291046,   28.564224,   567,  3031
 2020, 08, 08, 04, 44,  117.030907,    6.267895,   9,  88,  332.795654,   61.685799,   567,  3032
 2020, 08, 08, 04, 44,  116.792168,    6.331673,   7,  18,  307.848877,   13.310168,   583,  3052
 2020, 08, 08, 04, 44,  116.780800,    6.329617,   9,  83,  324.525482,   43.082653,   583,  3053
 2020, 08, 08, 04, 44,  116.769066,    6.327485,   8,  76,  315.371307,   24.773199,   583,  3054