year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 12, 20, 08, 01,   70.694977,   28.572327,   8,  55,  304.249451,   10.454092,     4,  2179
 2020, 12, 20, 08, 01,   70.245583,   28.491911,   8,  50,  302.041138,    5.871525,     5,  2230
 2020, 12, 20, 08, 01,   78.663750,   29.985538,   8,  69,  309.900696,    8.378251,    22,  1256
 2020, 12, 20, 08, 01,   79.017998,   30.519474,   9,  94,  345.034485,   46.357590,    94,  1205
 2020, 12, 20, 08, 01,   79.018715,   30.524986,   9,  87,  330.044281,   27.269438,    96,  1204
 2020, 12, 20, 08, 01,   79.009003,   30.523788,   8,  49,  301.808044,    6.330107,    96,  1205
 2020, 12, 20, 08, 01,   75.934547,   30.388525,   8,  51,  302.235443,    3.934221,   138,  1560
 2020, 12, 20, 08, 01,   70.936806,   30.002193,   8,  64,  306.961609,    8.824319,   205,  2119
 2020, 12, 20, 08, 01,   69.387360,   29.715357,   8,  68,  308.992920,    9.268130,   210,  2281
 2020, 12, 20, 08, 01,   77.563896,   31.175125,   8,  63,  306.433258,    6.436844,   220,  1344
 2020, 12, 20, 08, 01,   77.555008,   31.173912,   8,  60,  304.861389,    5.669333,   220,  1345
 2020, 12, 20, 08, 01,   77.673454,   31.203997,   8,  74,  314.120392,    9.889717,   222,  1331
 2020, 12, 20, 08, 01,   77.404678,   31.191889,   8,  49,  302.697357,    4.932159,   226,  1361
 2020, 12, 20, 08, 01,   77.744011,   31.265348,   7,  23,  305.611847,    5.196393,   230,  1321
 2020, 12, 20, 08, 01,   76.120583,   31.220757,   8,  39,  300.564789,    3.672148,   257,  1510
 2020, 12, 20, 08, 01,   75.933334,   31.200150,   8,  71,  311.294586,    8.036844,   258,  1533
 2020, 12, 20, 08, 01,   72.742256,   30.699364,   8,  70,  310.231934,    7.214957,   260,  1920
 2020, 12, 20, 08, 01,   77.687462,   31.501453,   8,  43,  303.535126,    4.926394,   266,  1321
 2020, 12, 20, 08, 01,   73.870323,   30.967644,   8,  60,  305.001678,    5.171778,   271,  1786
 2020, 12, 20, 08, 01,   72.969955,   30.826376,   8,  60,  304.869141,    4.722162,   273,  1891
 2020, 12, 20, 08, 01,   77.582275,   31.538866,   8,  56,  308.913757,    8.439755,   274,  1331
 2020, 12, 20, 08, 01,   75.720505,   31.351507,   9,  80,  320.606567,   13.105119,   285,  1554
 2020, 12, 20, 08, 01,   70.700722,   30.526314,   8,  73,  313.283112,   13.729078,   290,  2124
 2020, 12, 20, 08, 01,   70.689972,   30.524229,   8,  69,  309.798187,   11.039633,   290,  2125
 2020, 12, 20, 08, 01,   70.773849,   30.548349,   8,  68,  309.059326,   10.241666,   291,  2117
 2020, 12, 20, 08, 01,   70.763153,   30.546284,   8,  78,  318.392792,   17.970436,   291,  2118
 2020, 12, 20, 08, 01,   73.666634,   31.075035,   8,  48,  301.534607,    3.383399,   292,  1805
 2020, 12, 20, 08, 01,   72.543098,   30.925720,   8,  77,  317.196777,   12.472892,   298,  1934
 2020, 12, 20, 08, 01,   72.139519,   30.948557,   8,  65,  307.299408,    6.114921,   312,  1975
 2020, 12, 20, 08, 01,   72.571228,   31.097954,   8,  59,  304.289673,    5.145852,   323,  1925
 2020, 12, 20, 08, 01,   70.903633,   30.807360,   8,  63,  306.331848,    8.170540,   325,  2098
 2020, 12, 20, 08, 01,   73.514954,   31.295097,   8,  78,  317.484558,   11.472942,   328,  1815
 2020, 12, 20, 08, 01,   72.151314,   31.117359,   8,  64,  306.606781,    5.840715,   337,  1968
 2020, 12, 20, 08, 01,   77.016174,   31.949476,   8,  30,  300.186829,    5.530883,   346,  1383
 2020, 12, 20, 08, 01,   77.002907,   31.975340,   8,  69,  309.621277,    9.760235,   350,  1384
 2020, 12, 20, 08, 01,   73.521706,   31.464926,   8,  68,  309.224396,    7.261420,   353,  1808
 2020, 12, 20, 08, 01,   75.464378,   31.888203,   8,  49,  301.702698,    4.238799,   370,  1566
 2020, 12, 20, 08, 01,   72.202354,   31.446737,   8,  50,  301.958252,    5.063068,   384,  1952
 2020, 12, 20, 08, 01,   72.484962,   31.649126,   8,  66,  307.914490,    7.535832,   406,  1916
 2020, 12, 20, 08, 01,   71.827873,   31.598671,   8,  71,  310.999512,    8.955893,   415,  1986
 2020, 12, 20, 08, 01,   71.818428,   31.596994,   8,  75,  314.247009,   11.018519,   415,  1987
 2020, 12, 20, 08, 01,   71.820595,   31.595997,   9,  83,  324.793182,   19.589020,   416,  1986
 2020, 12, 20, 08, 01,   73.245636,   32.162262,   8,  45,  301.190399,    5.434575,   462,  1816
 2020, 12, 20, 08, 01,   73.614449,   32.426537,   8,  43,  300.952423,    4.175595,   492,  1765
 2020, 12, 20, 08, 01,   76.083755,   32.926395,   8,  46,  303.146606,    5.647763,   510,  1460
 2020, 12, 20, 08, 01,   74.242592,   32.805088,   8,  36,  301.819244,    3.456701,   533,  1679
 2020, 12, 20, 08, 01,   74.118813,   32.826519,   8,  65,  307.362915,    5.298984,   539,  1693
 2020, 12, 20, 08, 01,   74.106331,   32.885483,   8,  68,  308.811646,    6.023724,   548,  1692
 2020, 12, 20, 08, 01,   70.414459,   32.276077,   8,  70,  310.237274,   10.721766,   553,  2098
 2020, 12, 20, 08, 01,   73.525146,   33.226643,   8,  74,  313.690887,    9.127031,   612,  1747
 2020, 12, 20, 08, 01,   72.898399,   33.122593,   8,  53,  302.596130,    4.159378,   612,  1821
 2020, 12, 20, 08, 01,   73.037666,   33.289497,   8,  66,  307.676270,    7.154830,   633,  1800
 2020, 12, 20, 08, 01,   72.893166,   33.339500,   8,  63,  306.381897,    6.564374,   644,  1814
 2020, 12, 20, 08, 01,   74.728424,   34.154774,   8,  67,  308.234039,    8.573370,   721,  1576
 2020, 12, 20, 08, 01,   70.264687,   33.677731,   8,  78,  318.051483,   17.565079,   762,  2069
 2020, 12, 20, 08, 01,   70.253922,   33.675697,   9,  89,  333.708435,   34.437607,   762,  2070