year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2021, 04, 03, 03, 54,  119.436745,   52.837254,   8,  62,  305.678101,   13.767118,   105,  2408
 2021, 04, 03, 03, 54,  115.407440,   51.878601,   8,  77,  316.828278,   20.522055,   134,  2727
 2021, 04, 03, 03, 54,  115.389145,   51.885147,   9,  85,  326.703217,   30.192736,   135,  2728
 2021, 04, 03, 03, 54,  114.952766,   51.797516,   8,  57,  303.798950,   11.379217,   139,  2767
 2021, 04, 03, 03, 54,  114.941170,   51.793846,   9,  83,  324.198242,   30.394411,   139,  2768
 2021, 04, 03, 03, 54,  114.344177,   51.602795,   8,  77,  316.462006,   24.126307,   139,  2823
 2021, 04, 03, 03, 54,  114.332832,   51.599129,   8,  51,  302.223755,   11.711144,   139,  2824
 2021, 04, 03, 03, 54,  114.939926,   51.799393,   8,  55,  312.987152,   18.980810,   146,  2767
 2021, 04, 03, 03, 54,  114.345390,   51.605835,   8,  51,  308.638855,   15.867060,   146,  2822
 2021, 04, 03, 03, 54,  114.334160,   51.602127,   8,  59,  317.461914,   24.744699,   146,  2823
 2021, 04, 03, 03, 54,  115.431152,   52.053444,   8,  32,  311.740692,   14.184175,   154,  2713
 2021, 04, 03, 03, 54,  115.434639,   52.066685,   8,  58,  313.623108,   16.360779,   155,  2712
 2021, 04, 03, 03, 54,  116.818176,   52.510349,   7,  21,  311.079834,   10.969291,   163,  2560
 2021, 04, 03, 03, 54,  116.802658,   52.517063,   9,  83,  323.969727,   21.624376,   164,  2561
 2021, 04, 03, 03, 54,  116.778816,   52.521336,   9,  81,  326.317383,   23.040176,   165,  2563
 2021, 04, 03, 03, 54,  116.769691,   52.518631,   9,  83,  325.084930,   23.183180,   165,  2564
 2021, 04, 03, 03, 54,  116.465637,   52.462742,   8,  51,  309.236145,   11.151403,   168,  2596
 2021, 04, 03, 03, 54,  116.575195,   52.518024,   8,  49,  301.797089,    8.381510,   170,  2582
 2021, 04, 03, 03, 54,  116.459755,   52.483929,   9,  89,  334.833954,   33.539623,   170,  2595
 2021, 04, 03, 03, 54,  116.451012,   52.481342,   9,  83,  329.504517,   27.303520,   170,  2596
 2021, 04, 03, 03, 54,  113.562714,   51.611893,   8,  49,  301.780457,   12.408663,   180,  2874
 2021, 04, 03, 03, 54,  118.579391,   53.337639,   8,  60,  304.928345,   13.701899,   204,  2434