year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 09, 02, 05, 15,  114.706604,   -0.621814,   9,  82,  345.798492,   82.641708,   151,  2540
 2020, 09, 02, 05, 15,  114.695503,   -0.623515,   9,  89,  347.195587,   87.002701,   151,  2541
 2020, 09, 02, 05, 15,  120.167847,    0.364820,   8,  40,  310.555939,    6.612944,   173,  1907
 2020, 09, 02, 05, 15,  114.651009,   -0.345030,   8,  51,  308.707428,   11.592308,   190,  2540
 2020, 09, 02, 05, 15,  114.642387,   -0.340655,   8,  70,  310.397491,   13.118396,   196,  2540
 2020, 09, 02, 05, 15,  114.609306,   -0.335678,   8,  51,  302.204865,    5.778765,   197,  2543
 2020, 09, 02, 05, 15,  114.617760,   -0.324227,   9,  92,  339.758514,   65.009872,   198,  2542
 2020, 09, 02, 05, 15,  114.607758,   -0.325779,   9,  91,  339.379364,   65.278946,   198,  2543
 2020, 09, 02, 05, 15,  115.523880,    0.049925,   8,  79,  318.527496,   20.630299,   232,  2449
 2020, 09, 02, 05, 15,  116.098213,    0.622708,   7,  17,  300.075867,    5.888368,   302,  2374
 2020, 09, 02, 05, 15,  114.312241,    0.741477,   8,  78,  317.405182,   22.717737,   362,  2548
 2020, 09, 02, 05, 15,  114.299934,    0.749762,   7,  29,  311.039948,   13.027538,   363,  2549
 2020, 09, 02, 05, 15,  114.517143,    0.803247,   8,  62,  305.617706,    8.187428,   365,  2529
 2020, 09, 02, 05, 15,  114.302086,    0.755786,   7,  17,  303.576569,    5.843645,   369,  2548
 2020, 09, 02, 05, 15,  114.082710,    0.951231,   8,  51,  309.096710,    6.795314,   397,  2568
 2020, 09, 02, 05, 15,  114.076851,    0.950330,   8,  50,  308.200562,    6.127647,   397,  2569
 2020, 09, 02, 05, 15,  114.059189,    0.947630,   8,  52,  309.288300,    7.006723,   397,  2572
 2020, 09, 02, 05, 15,  114.063957,    0.942316,   8,  42,  303.228607,    3.447292,   402,  2570
 2020, 09, 02, 05, 15,  114.058395,    0.941419,   8,  47,  306.017578,    5.178245,   402,  2571
 2020, 09, 02, 05, 15,  114.080017,    0.955225,   8,  73,  312.978119,    9.340286,   403,  2567
 2020, 09, 02, 05, 15,  114.074501,    0.954334,   8,  53,  302.567413,    3.259549,   403,  2568
 2020, 09, 02, 05, 15,  116.638741,    3.613371,   8,  33,  303.105530,    2.146692,   737,  2221
 2020, 09, 02, 05, 15,  116.717247,    3.667410,   8,  66,  307.656403,    4.950634,   742,  2209
 2020, 09, 02, 05, 15,  116.710228,    3.666288,   8,  63,  306.405090,    4.306415,   742,  2210
 2020, 09, 02, 05, 15,  116.518509,    3.635646,   8,  60,  304.966888,    4.200448,   742,  2237
 2020, 09, 02, 05, 15,  116.726196,    3.701820,   8,  47,  307.543579,    4.275256,   746,  2207
 2020, 09, 02, 05, 15,  116.704002,    3.706570,   8,  64,  306.511719,    4.925196,   747,  2210
 2020, 09, 02, 05, 15,  116.746719,    3.796793,   8,  77,  317.198486,   11.885576,   760,  2201