year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 08, 20, 06, 16,   98.255280,   58.806816,   8,  73,  325.095001,   18.621719,     1,  1218
 2020, 08, 20, 06, 16,  112.816246,   61.342018,   8,  62,  322.093811,   30.553196,   269,   313
 2020, 08, 20, 06, 16,  112.798317,   61.342094,   8,  56,  313.373016,   19.555887,   269,   314
 2020, 08, 20, 06, 16,  112.813133,   61.350571,   9,  93,  342.626465,   69.001793,   277,   313
 2020, 08, 20, 06, 16,  112.795219,   61.350704,   8,  77,  316.830139,   23.111025,   277,   314
 2020, 08, 20, 06, 16,  108.167175,   62.796494,   8,  75,  314.439209,   11.313084,   504,   606
 2020, 08, 20, 06, 16,  108.153168,   62.796173,   9,  90,  336.828583,   33.275143,   504,   607
 2020, 08, 20, 06, 16,  108.139977,   62.795853,   9, 100,  360.022919,   73.386345,   504,   608
 2020, 08, 20, 06, 16,  118.816795,   62.777332,   8,  58,  303.976196,   23.163136,   522,    53
 2020, 08, 20, 06, 16,  118.788300,   62.778790,   8,  45,  301.182678,   19.267866,   522,    54
 2020, 08, 20, 06, 16,  118.805840,   62.767067,   8,  31,  300.785187,   16.823345,   530,    53
 2020, 08, 20, 06, 16,  119.256035,   63.341858,   7,  20,  300.629883,   16.475237,   616,    42
 2020, 08, 20, 06, 16,  119.225693,   63.343544,   8,  72,  317.555084,   45.558247,   616,    43
 2020, 08, 20, 06, 16,  119.196175,   63.345177,   8,  50,  307.142426,   25.806589,   616,    44
 2020, 08, 20, 06, 16,  119.175056,   63.377422,   8,  60,  305.330505,   23.560156,   627,    45
 2020, 08, 20, 06, 16,  114.385849,   64.032425,   8,  59,  319.487579,   29.177790,   695,   234
 2020, 08, 20, 06, 16,  111.163109,   64.183334,   8,  35,  301.235626,    6.499330,   712,   398
 2020, 08, 20, 06, 16,  111.092674,   64.194656,   8,  52,  313.697388,   15.456716,   713,   402
 2020, 08, 20, 06, 16,  109.320480,   64.182434,   8,  63,  306.046478,    9.376370,   713,   510
 2020, 08, 20, 06, 16,  111.093102,   64.206017,   8,  77,  333.145844,   38.626598,   714,   402
 2020, 08, 20, 06, 16,  109.720161,   64.247536,   7,  28,  302.870026,    6.428226,   725,   484
 2020, 08, 20, 06, 16,  109.703545,   64.247383,   7,  23,  302.916687,    6.301556,   725,   485
 2020, 08, 20, 06, 16,  109.592567,   64.246368,   8,  79,  327.475555,   26.382074,   725,   492
 2020, 08, 20, 06, 16,  110.995636,   64.275742,   8,  73,  312.515259,   11.031886,   727,   407
 2020, 08, 20, 06, 16,  110.978310,   64.275726,   9,  83,  323.803955,   22.631773,   727,   408
 2020, 08, 20, 06, 16,  109.560028,   64.267761,   8,  43,  309.716278,    9.590239,   727,   494
 2020, 08, 20, 06, 16,  109.544106,   64.267586,   9,  88,  333.219635,   34.105267,   727,   495
 2020, 08, 20, 06, 16,  109.527771,   64.267418,   9,  89,  334.749420,   36.547997,   727,   496
 2020, 08, 20, 06, 16,  109.700966,   64.280052,   8,  37,  301.014740,    5.675850,   728,   485
 2020, 08, 20, 06, 16,  111.788307,   64.308891,   8,  54,  314.897156,   18.073336,   730,   363
 2020, 08, 20, 06, 16,  111.712982,   64.309143,   7,  26,  301.638275,    7.281770,   730,   367
 2020, 08, 20, 06, 16,  111.694832,   64.309219,   9,  85,  326.660828,   34.063198,   730,   368
 2020, 08, 20, 06, 16,  111.676987,   64.309265,   8,  67,  308.577209,   13.095366,   730,   369
 2020, 08, 20, 06, 16,  110.892021,   64.309486,   7,  29,  334.521606,   36.988628,   730,   413
 2020, 08, 20, 06, 16,  111.789780,   64.332054,   8,  33,  310.063446,   12.406275,   732,   363
 2020, 08, 20, 06, 16,  111.797455,   64.330750,   8,  69,  309.409760,   13.655824,   739,   362
 2020, 08, 20, 06, 16,  109.528946,   64.327515,   9,  83,  324.190125,   23.773701,   739,   495
 2020, 08, 20, 06, 16,  109.513611,   64.327362,   8,  61,  319.597229,   18.627934,   739,   496
 2020, 08, 20, 06, 16,  111.761482,   64.377289,   7,  15,  302.367188,    6.601616,   743,   364
 2020, 08, 20, 06, 16,  112.347832,   64.408669,   8,  37,  308.170715,   12.492128,   746,   333
 2020, 08, 20, 06, 16,  112.328529,   64.408821,   8,  76,  316.224701,   21.486462,   746,   334
 2020, 08, 20, 06, 16,  112.309647,   64.408966,   8,  49,  302.766663,    8.907838,   746,   335
 2020, 08, 20, 06, 16,  111.856583,   64.423241,   8,  55,  307.482086,   12.074895,   747,   359
 2020, 08, 20, 06, 16,  111.308632,   64.435860,   8,  72,  312.296661,   15.556626,   748,   389
 2020, 08, 20, 06, 16,  111.866890,   64.422066,   7,  25,  302.298981,    7.863512,   754,   358
 2020, 08, 20, 06, 16,  111.848328,   64.422195,   7,  27,  302.249451,    7.380386,   754,   359
 2020, 08, 20, 06, 16,  111.696480,   64.423203,   7,  22,  300.149536,    7.445030,   754,   367
 2020, 08, 20, 06, 16,  111.318474,   64.436470,   8,  56,  303.417694,    8.986696,   755,   388
 2020, 08, 20, 06, 16,  111.300301,   64.436531,   8,  70,  310.432129,   14.910410,   755,   389
 2020, 08, 20, 06, 16,  111.886925,   64.456779,   8,  58,  307.654175,   11.945834,   757,   357
 2020, 08, 20, 06, 16,  111.868034,   64.456902,   8,  46,  303.812347,    8.817056,   757,   358
 2020, 08, 20, 06, 16,  111.067245,   64.516502,   7,  24,  307.136749,   10.460821,   762,   402
 2020, 08, 20, 06, 16,  111.015099,   64.516449,   7,  27,  303.600342,    8.820727,   762,   405
 2020, 08, 20, 06, 16,  112.426117,   64.523148,   8,  72,  312.434845,   16.220413,   763,   329
 2020, 08, 20, 06, 16,  112.406242,   64.523315,   8,  79,  318.860504,   23.747149,   763,   330
 2020, 08, 20, 06, 16,  111.870598,   64.538193,   7,  17,  300.342468,    6.540600,   764,   358