year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2021, 02, 03, 05, 37,  112.880539,   34.529331,   8,  68,  308.903900,    7.923837,    40,  1369
 2021, 02, 03, 05, 37,  110.647591,   34.564888,   8,  57,  303.773254,    5.109406,    93,  1621
 2021, 02, 03, 05, 37,  110.639267,   34.563610,   8,  69,  309.403656,    7.560049,    93,  1622
 2021, 02, 03, 05, 37,  107.503540,   34.316658,   8,  54,  302.788940,    4.980890,   134,  1971
 2021, 02, 03, 05, 37,  109.344276,   34.785717,   8,  74,  313.509552,    9.493602,   156,  1761
 2021, 02, 03, 05, 37,  109.342651,   34.792355,   9,  87,  331.464508,   21.960548,   157,  1761
 2021, 02, 03, 05, 37,  110.008926,   34.953705,   8,  58,  304.062714,    4.760739,   165,  1680
 2021, 02, 03, 05, 37,  113.138290,   35.707344,   8,  59,  304.394958,    5.664763,   210,  1307
 2021, 02, 03, 05, 37,  111.510796,   35.485546,   8,  48,  301.635986,    4.796155,   210,  1491
 2021, 02, 03, 05, 37,  110.909401,   35.397415,   8,  47,  301.397827,    3.820063,   210,  1562
 2021, 02, 03, 05, 37,  110.966843,   35.412792,   8,  55,  303.234070,    4.961872,   211,  1555
 2021, 02, 03, 05, 37,  110.911949,   35.425022,   8,  44,  301.050873,    3.597313,   214,  1561
 2021, 02, 03, 05, 37,  110.882278,   35.441006,   8,  60,  304.732910,    5.027149,   217,  1564
 2021, 02, 03, 05, 37,  110.638298,   35.404236,   8,  57,  303.729126,    4.574659,   217,  1593
 2021, 02, 03, 05, 37,  109.915840,   35.326431,   8,  71,  311.242523,    8.542419,   222,  1678
 2021, 02, 03, 05, 37,  110.985237,   35.530876,   8,  66,  307.616791,    6.578356,   228,  1549
 2021, 02, 03, 05, 37,  110.976784,   35.529621,   8,  64,  306.528900,    6.128268,   228,  1550
 2021, 02, 03, 05, 37,  113.194672,   35.864979,   8,  42,  300.828217,    4.143962,   232,  1297
 2021, 02, 03, 05, 37,  110.799179,   35.543953,   8,  51,  302.231049,    4.457842,   234,  1570
 2021, 02, 03, 05, 37,  109.260185,   35.418118,   8,  51,  302.175049,    4.884010,   251,  1748
 2021, 02, 03, 05, 37,  111.254463,   35.786976,   8,  64,  306.804291,    5.814805,   260,  1510
 2021, 02, 03, 05, 37,  112.999886,   36.097500,   8,  60,  304.930634,    5.638011,   270,  1311
 2021, 02, 03, 05, 37,  112.842567,   36.076679,   8,  65,  307.391052,    6.942676,   270,  1328
 2021, 02, 03, 05, 37,  111.305611,   35.881931,   8,  41,  300.735992,    3.772452,   273,  1501
 2021, 02, 03, 05, 37,  109.061775,   35.617050,   8,  50,  301.928864,    5.199718,   285,  1763
 2021, 02, 03, 05, 37,  112.911293,   36.331306,   8,  50,  301.980164,    4.421796,   307,  1313
 2021, 02, 03, 05, 37,  116.237877,   36.875954,   8,  57,  303.731232,    6.867187,   330,  1001
 2021, 02, 03, 05, 37,  118.127777,   37.353798,   9,  89,  334.823212,   45.028996,   376,   802
 2021, 02, 03, 05, 37,  111.835754,   37.065178,   8,  38,  300.487488,    3.777045,   437,  1405
 2021, 02, 03, 05, 37,  112.311104,   37.460121,   8,  65,  307.406586,    7.122851,   486,  1343
 2021, 02, 03, 05, 37,  112.090187,   37.472603,   8,  59,  304.416565,    5.305364,   492,  1366
 2021, 02, 03, 05, 37,  113.736069,   37.731514,   8,  54,  302.789551,    6.517979,   500,  1195
 2021, 02, 03, 05, 37,  108.783691,   37.904327,   8,  52,  302.281982,    4.627050,   628,  1711
 2021, 02, 03, 05, 37,  114.586945,   38.747581,   8,  70,  310.303436,   12.838589,   636,  1098
 2021, 02, 03, 05, 37,  112.700455,   38.630787,   8,  53,  302.551849,    6.569981,   652,  1271
 2021, 02, 03, 05, 37,  113.264053,   39.475018,   8,  51,  308.841980,   10.636644,   767,  1196