year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 07, 13, 04, 48,  143.199753,   64.927544,   8,  72,  319.968231,   53.454578,     6,     3
 2020, 07, 13, 04, 48,  143.159729,   64.930290,   8,  71,  319.354126,   51.386398,     6,     4
 2020, 07, 13, 04, 48,  116.572098,   64.436020,   9,  92,  340.971924,   32.899387,    18,  1256
 2020, 07, 13, 04, 48,  116.603760,   64.446991,   8,  59,  329.590424,   18.351034,    19,  1254
 2020, 07, 13, 04, 48,  116.618530,   64.485573,   8,  48,  310.876495,    7.661081,    24,  1252
 2020, 07, 13, 04, 48,  110.324928,   63.614368,   8,  31,  314.943848,    5.723227,    25,  1648
 2020, 07, 13, 04, 48,  107.795052,   63.588959,   8,  33,  301.751526,    3.907294,    84,  1794
 2020, 07, 13, 04, 48,  111.615799,   64.354729,   9,  81,  336.035522,   21.760941,   101,  1534
 2020, 07, 13, 04, 48,  111.600479,   64.352402,   9,  96,  351.048950,   39.180946,   101,  1535
 2020, 07, 13, 04, 48,  111.610649,   64.361069,   8,  66,  324.159393,   12.065383,   102,  1534
 2020, 07, 13, 04, 48,  111.595345,   64.358757,   9,  94,  366.885223,   66.479164,   102,  1535
 2020, 07, 13, 04, 48,  111.615746,   64.376099,   8,  74,  355.216583,   44.838181,   104,  1533
 2020, 07, 13, 04, 48,  111.600410,   64.373772,   9,  87,  371.166962,   75.007149,   104,  1534
 2020, 07, 13, 04, 48,  111.656723,   64.389420,   9,  87,  365.978271,   66.962227,   105,  1530
 2020, 07, 13, 04, 48,  111.641342,   64.387093,   9,  94,  372.552338,   79.232346,   105,  1531
 2020, 07, 13, 04, 48,  111.625977,   64.384773,   8,  45,  325.721985,   12.332493,   105,  1532
 2020, 07, 13, 04, 48,  111.636223,   64.393448,   9,  99,  358.421295,   50.186188,   106,  1531
 2020, 07, 13, 04, 48,  111.620865,   64.391113,   9,  98,  355.672394,   45.373520,   106,  1532
 2020, 07, 13, 04, 48,  112.173920,   64.502090,   8,  79,  320.820007,    9.672278,   110,  1495
 2020, 07, 13, 04, 48,  111.661903,   64.425835,   8,  57,  321.722717,   11.299298,   110,  1528
 2020, 07, 13, 04, 48,  111.542679,   64.434799,   8,  39,  322.686127,    8.964118,   114,  1534
 2020, 07, 13, 04, 48,  112.294106,   64.560410,   9,  87,  407.041809,  190.308640,   116,  1485
 2020, 07, 13, 04, 48,  112.278305,   64.558105,   9,  87,  340.533325,   26.289030,   116,  1486
 2020, 07, 13, 04, 48,  112.304871,   64.569092,   9,  92,  341.364807,   28.581287,   117,  1484
 2020, 07, 13, 04, 48,  112.289001,   64.566803,   9,  94,  345.102875,   32.967556,   117,  1485
 2020, 07, 13, 04, 48,  112.273277,   64.564507,   8,  73,  317.430389,    7.656783,   117,  1486
 2020, 07, 13, 04, 48,  111.883957,   64.571503,   8,  33,  312.862122,    4.827439,   126,  1508
 2020, 07, 13, 04, 48,  111.743896,   64.550613,   8,  57,  312.070679,    5.784585,   126,  1517
 2020, 07, 13, 04, 48,  111.727341,   64.701286,   9,  82,  324.600983,   11.997615,   148,  1510
 2020, 07, 13, 04, 48,  111.810692,   64.727905,   9,  95,  348.777557,   38.302711,   150,  1504
 2020, 07, 13, 04, 48,  134.344009,   66.221596,   9,  92,  340.121948,   55.840599,   152,   344
 2020, 07, 13, 04, 48,  134.325073,   66.221764,   9,  83,  331.730286,   38.473232,   152,   345
 2020, 07, 13, 04, 48,  134.450546,   66.279243,   8,  67,  337.792572,   49.373867,   157,   339
 2020, 07, 13, 04, 48,  134.440125,   66.276619,   8,  77,  332.901672,   42.432224,   164,   339
 2020, 07, 13, 04, 48,  134.418213,   66.276878,   8,  51,  310.380432,   11.759963,   164,   340
 2020, 07, 13, 04, 48,  134.424927,   66.311996,   8,  37,  317.495941,   16.905966,   167,   340
 2020, 07, 13, 04, 48,  134.186035,   66.314323,   8,  62,  323.688049,   23.499512,   167,   352
 2020, 07, 13, 04, 48,  134.548920,   66.322418,   8,  44,  315.145355,   17.109659,   168,   334
 2020, 07, 13, 04, 48,  134.487503,   66.323090,   8,  51,  322.226410,   22.592653,   168,   337
 2020, 07, 13, 04, 48,  134.469925,   66.323257,   8,  61,  330.065582,   33.428322,   168,   338
 2020, 07, 13, 04, 48,  134.549210,   66.334198,   8,  36,  318.092041,   19.344814,   169,   334
 2020, 07, 13, 04, 48,  134.388016,   66.359268,   8,  44,  309.377411,    9.446751,   171,   342
 2020, 07, 13, 04, 48,  134.368439,   66.359451,   8,  73,  317.277283,   17.663197,   171,   343
 2020, 07, 13, 04, 48,  134.226440,   66.360649,   8,  57,  321.895020,   22.499722,   171,   350
 2020, 07, 13, 04, 48,  134.074081,   66.361801,   8,  55,  309.490875,   10.328074,   171,   358
 2020, 07, 13, 04, 48,  134.228363,   66.372299,   9,  98,  356.614929,   95.207001,   172,   350
 2020, 07, 13, 04, 48,  134.384628,   66.357483,   8,  48,  312.324646,   13.128096,   178,   342
 2020, 07, 13, 04, 48,  134.366074,   66.357712,   8,  59,  324.119263,   27.112713,   178,   343
 2020, 07, 13, 04, 48,  134.071533,   66.360916,   8,  32,  307.583862,    8.899989,   178,   358
 2020, 07, 13, 04, 48,  134.225677,   66.370987,   9,  99,  357.501831,   98.339325,   179,   350
 2020, 07, 13, 04, 48,  134.435303,   66.427315,   8,  73,  312.636169,   12.861135,   184,   340
 2020, 07, 13, 04, 48,  134.416855,   66.427521,   8,  51,  311.751984,   10.575609,   184,   341
 2020, 07, 13, 04, 48,  134.372589,   66.427963,   9,  81,  321.091492,   20.794498,   184,   343
 2020, 07, 13, 04, 48,  134.352737,   66.428154,   9,  80,  320.777374,   21.493721,   184,   344
 2020, 07, 13, 04, 48,  134.331253,   66.428360,   8,  68,  316.055359,   14.822750,   184,   345
 2020, 07, 13, 04, 48,  135.153778,   66.430161,   7,  29,  317.711517,   18.544310,   185,   306
 2020, 07, 13, 04, 48,  135.046310,   66.431702,   7,  23,  322.715363,   22.706553,   185,   311
 2020, 07, 13, 04, 48,  132.879379,   66.446999,   9,  80,  320.352570,   17.143038,   185,   420
 2020, 07, 13, 04, 48,  132.860306,   66.447006,   9,  81,  321.577667,   18.238462,   185,   421
 2020, 07, 13, 04, 48,  135.095001,   66.454918,   8,  68,  332.554993,   40.501957,   187,   309
 2020, 07, 13, 04, 48,  135.073807,   66.455208,   9,  80,  336.167084,   47.526852,   187,   310
 2020, 07, 13, 04, 48,  135.051346,   66.455505,   8,  30,  321.038788,   21.925074,   187,   311
 2020, 07, 13, 04, 48,  134.838409,   66.481941,   7,  29,  306.925293,    8.830574,   189,   321
 2020, 07, 13, 04, 48,  135.084335,   66.450691,   8,  54,  330.502228,   36.558598,   194,   309
 2020, 07, 13, 04, 48,  135.062805,   66.451050,   8,  67,  333.979675,   44.766685,   194,   310
 2020, 07, 13, 04, 48,  135.038437,   66.451447,   8,  41,  305.920197,    7.428927,   194,   311
 2020, 07, 13, 04, 48,  135.106384,   66.462280,   8,  49,  311.072479,   12.659495,   195,   308
 2020, 07, 13, 04, 48,  134.778152,   66.606529,   8,  68,  336.605469,   46.858486,   214,   324
 2020, 07, 13, 04, 48,  134.607346,   66.608742,   8,  64,  333.028534,   36.695835,   214,   332
 2020, 07, 13, 04, 48,  134.587372,   66.608986,   9,  91,  337.679718,   46.349670,   214,   333
 2020, 07, 13, 04, 48,  134.567703,   66.609215,   8,  74,  318.958557,   16.859852,   214,   334
 2020, 07, 13, 04, 48,  134.587173,   66.620781,   9, 100,  375.351593,  167.765839,   215,   333
 2020, 07, 13, 04, 48,  134.568161,   66.621002,   9,  86,  334.560699,   38.641792,   215,   334
 2020, 07, 13, 04, 48,  134.589081,   66.632545,   9, 100,  376.771790,  175.028214,   216,   333
 2020, 07, 13, 04, 48,  134.568909,   66.632774,   9,  89,  340.455444,   50.354248,   216,   334
 2020, 07, 13, 04, 48,  134.550690,   66.644768,   9,  93,  357.475067,   94.236977,   217,   335
 2020, 07, 13, 04, 48,  134.471405,   66.657372,   8,  64,  323.067078,   21.900902,   218,   339
 2020, 07, 13, 04, 48,  134.752075,   66.666077,   8,  63,  325.603271,   30.710533,   219,   325
 2020, 07, 13, 04, 48,  134.493530,   66.680656,   8,  38,  331.216278,   29.589151,   220,   338
 2020, 07, 13, 04, 48,  134.558899,   66.677193,   8,  48,  342.012573,   54.531685,   227,   334
 2020, 07, 13, 04, 48,  134.503128,   66.677910,   8,  54,  335.906830,   38.852547,   227,   337
 2020, 07, 13, 04, 48,  119.328026,   66.229691,   8,  58,  325.625366,   20.669312,   242,  1074
 2020, 07, 13, 04, 48,  119.316055,   66.252487,   8,  70,  322.800079,   15.235939,   245,  1074
 2020, 07, 13, 04, 48,  135.035614,   66.809555,   8,  39,  335.515564,   42.915756,   246,   312
 2020, 07, 13, 04, 48,  134.987793,   66.810280,   8,  49,  313.583282,   12.916141,   246,   314
 2020, 07, 13, 04, 48,  134.953293,   66.822708,   7,  29,  310.884247,   10.635798,   247,   316
 2020, 07, 13, 04, 48,  119.377831,   66.273743,   9,  98,  355.750183,   70.030434,   247,  1071
 2020, 07, 13, 04, 48,  119.680634,   66.307678,   8,  59,  313.480499,    9.020087,   248,  1058
 2020, 07, 13, 04, 48,  119.373672,   66.281334,   8,  47,  322.622986,   14.203987,   248,  1071
 2020, 07, 13, 04, 48,  119.350189,   66.279305,   9,  91,  339.230255,   36.324451,   248,  1072
 2020, 07, 13, 04, 48,  135.112946,   66.844231,   8,  52,  341.189636,   53.272697,   249,   309
 2020, 07, 13, 04, 48,  135.089142,   66.844574,   8,  68,  343.960785,   60.245003,   249,   310
 2020, 07, 13, 04, 48,  133.126480,   66.872612,   8,  52,  313.696869,   10.976400,   250,   406
 2020, 07, 13, 04, 48,  119.648766,   66.320992,   9,  94,  344.565582,   48.875015,   250,  1059
 2020, 07, 13, 04, 48,  119.624832,   66.318954,   9,  86,  341.028381,   42.102211,   250,  1060
 2020, 07, 13, 04, 48,  119.248398,   66.286263,   9,  90,  342.201904,   41.357018,   250,  1076
 2020, 07, 13, 04, 48,  119.225090,   66.284218,   9,  92,  341.393372,   41.410667,   250,  1077
 2020, 07, 13, 04, 48,  133.307968,   66.883537,   8,  79,  340.324493,   47.207611,   251,   396
 2020, 07, 13, 04, 48,  133.182083,   66.883865,   8,  41,  304.862061,    4.070641,   251,   403
 2020, 07, 13, 04, 48,  133.126343,   66.883957,   8,  59,  315.105652,   11.648697,   251,   406
 2020, 07, 13, 04, 48,  119.644791,   66.328659,   9,  94,  502.331329, 1635.354980,   251,  1059
 2020, 07, 13, 04, 48,  119.620888,   66.326614,   9,  94,  446.007751,  659.359680,   251,  1060
 2020, 07, 13, 04, 48,  119.597008,   66.324562,   9,  92,  353.858948,   69.805038,   251,  1061
 2020, 07, 13, 04, 48,  119.221146,   66.291801,   8,  30,  315.670135,   10.007579,   251,  1077
 2020, 07, 13, 04, 48,  135.186646,   66.879044,   9, 100,  365.671387,  139.637970,   252,   306
 2020, 07, 13, 04, 48,  135.160858,   66.879410,   9, 100,  360.929504,  120.161629,   252,   307
 2020, 07, 13, 04, 48,  133.126846,   66.895309,   9,  88,  332.545471,   32.309345,   252,   406
 2020, 07, 13, 04, 48,  133.106720,   66.895325,   9, 100,  362.558563,  101.777092,   252,   407
 2020, 07, 13, 04, 48,  133.086685,   66.895348,   8,  37,  327.503143,   24.155960,   252,   408
 2020, 07, 13, 04, 48,  119.664734,   66.338387,   8,  75,  469.906525, 1002.507324,   252,  1058
 2020, 07, 13, 04, 48,  119.640762,   66.336327,   8,  75,  403.092133,  274.817749,   252,  1059
 2020, 07, 13, 04, 48,  119.593071,   66.332214,   7,   0,  354.461212,   70.377419,   252,  1061
 2020, 07, 13, 04, 48,  119.569084,   66.330170,   7,   0,  339.433624,   40.258743,   252,  1062
 2020, 07, 13, 04, 48,  135.096100,   66.892250,   7,  21,  311.706238,   10.038405,   253,   310
 2020, 07, 13, 04, 48,  135.074234,   66.892555,   8,  40,  322.680908,   22.600060,   253,   311
 2020, 07, 13, 04, 48,  133.065353,   66.906685,   8,  53,  319.963318,   16.369829,   253,   409
 2020, 07, 13, 04, 48,  133.045807,   66.906708,   8,  64,  327.147736,   26.389528,   253,   410
 2020, 07, 13, 04, 48,  135.173325,   66.862373,   7,  29,  308.672455,    9.273751,   258,   306
 2020, 07, 13, 04, 48,  133.316010,   66.884048,   8,  53,  341.700867,   48.660530,   258,   395
 2020, 07, 13, 04, 48,  133.298691,   66.884155,   7,  23,  338.695068,   42.007511,   258,   396
 2020, 07, 13, 04, 48,  135.196045,   66.873962,   9,  84,  325.670227,   31.308012,   259,   305
 2020, 07, 13, 04, 48,  135.174316,   66.874336,   9, 100,  371.172913,  163.666641,   259,   306
 2020, 07, 13, 04, 48,  135.146515,   66.874817,   9,  85,  327.056030,   32.363491,   259,   307
 2020, 07, 13, 04, 48,  135.017258,   66.876968,   8,  56,  321.080505,   21.672579,   259,   313
 2020, 07, 13, 04, 48,  133.115799,   66.896431,   9, 100,  360.222198,   94.570404,   259,   406
 2020, 07, 13, 04, 48,  133.095688,   66.896507,   9,  94,  344.857361,   54.080334,   259,   407
 2020, 07, 13, 04, 48,  133.075119,   66.896591,   8,  58,  321.292023,   16.543224,   259,   408
 2020, 07, 13, 04, 48,  135.084061,   66.887817,   9,  82,  323.087830,   25.898748,   260,   310
 2020, 07, 13, 04, 48,  135.059708,   66.888214,   8,  53,  316.313263,   15.657070,   260,   311
 2020, 07, 13, 04, 48,  133.054672,   66.907997,   9,  83,  334.069366,   33.344456,   260,   409
 2020, 07, 13, 04, 48,  133.035278,   66.908058,   9,  81,  336.445801,   37.726421,   260,   410
 2020, 07, 13, 04, 48,  133.038559,   66.930687,   8,  42,  321.442505,   16.213818,   262,   410
 2020, 07, 13, 04, 48,  133.059982,   66.941956,   8,  48,  325.229736,   20.061714,   263,   409
 2020, 07, 13, 04, 48,  133.039581,   66.942001,   9,  99,  359.397644,   91.535889,   263,   410
 2020, 07, 13, 04, 48,  133.424362,   66.951996,   8,  64,  322.478363,   21.577518,   264,   390
 2020, 07, 13, 04, 48,  133.424347,   66.963409,   9,  80,  343.776398,   53.719604,   265,   390
 2020, 07, 13, 04, 48,  119.770866,   66.454758,   7,   0,  342.633270,   46.982250,   268,  1051
 2020, 07, 13, 04, 48,  119.637932,   66.467545,   9,  94,  391.846680,  210.976074,   271,  1056
 2020, 07, 13, 04, 48,  119.373131,   66.432877,   8,  74,  326.556030,   22.149916,   272,  1067
 2020, 07, 13, 04, 48,  119.349564,   66.430878,   8,  72,  314.230255,   10.339969,   272,  1068
 2020, 07, 13, 04, 48,  119.628082,   66.470222,   9,  94,  411.666626,  332.796356,   274,  1056
 2020, 07, 13, 04, 48,  136.747375,   67.054962,   8,  68,  308.869110,   13.855283,   284,   239
 2020, 07, 13, 04, 48,  136.724533,   67.055511,   8,  40,  305.160736,    9.051990,   284,   240
 2020, 07, 13, 04, 48,  136.675247,   67.056717,   8,  31,  306.401581,    9.720263,   284,   242
 2020, 07, 13, 04, 48,  136.651123,   67.057274,   8,  75,  314.753510,   19.551792,   284,   243
 2020, 07, 13, 04, 48,  136.737198,   67.058250,   8,  67,  311.304474,   16.362940,   292,   239
 2020, 07, 13, 04, 48,  136.663925,   67.060211,   8,  72,  311.787476,   15.496542,   292,   242
 2020, 07, 13, 04, 48,  136.639206,   67.060867,   8,  53,  309.337433,   12.305988,   292,   243
 2020, 07, 13, 04, 48,  136.589188,   67.062180,   8,  58,  310.889801,   14.436673,   292,   245
 2020, 07, 13, 04, 48,  132.420334,   67.253288,   8,  49,  309.646484,    9.332373,   311,   441
 2020, 07, 13, 04, 48,  132.402222,   67.253265,   9,  92,  341.351288,   49.647690,   311,   442
 2020, 07, 13, 04, 48,  132.383118,   67.253242,   9,  84,  326.332184,   25.915186,   311,   443
 2020, 07, 13, 04, 48,  132.421295,   67.264427,   8,  58,  313.745728,   12.695849,   312,   441
 2020, 07, 13, 04, 48,  132.404419,   67.264397,   9,  86,  329.813721,   31.062725,   312,   442
 2020, 07, 13, 04, 48,  132.119720,   67.367348,   8,  43,  305.066589,    5.276201,   328,   457
 2020, 07, 13, 04, 48,  134.496460,   67.401642,   7,   0,  303.502014,    7.075010,   339,   338
 2020, 07, 13, 04, 48,  132.243454,   67.471779,   8,  42,  312.403961,    9.514323,   344,   450
 2020, 07, 13, 04, 48,  134.549103,   67.483368,   8,  51,  303.330231,    5.864064,   346,   336
 2020, 07, 13, 04, 48,  134.489410,   67.519333,   7,  27,  304.836670,    6.940073,   349,   339
 2020, 07, 13, 04, 48,  134.499420,   67.516685,   7,  12,  300.022675,    3.900448,   356,   338
 2020, 07, 13, 04, 48,  134.477921,   67.516975,   8,  62,  307.814484,   10.315499,   356,   339
 2020, 07, 13, 04, 48,  109.271149,   65.934044,   9,  89,  346.449646,   35.163837,   376,  1580
 2020, 07, 13, 04, 48,  132.190582,   68.403091,   8,  72,  311.905273,   10.790174,   488,   449
 2020, 07, 13, 04, 48,  132.007935,   68.413895,   8,  66,  316.037354,   14.806829,   489,   458
 2020, 07, 13, 04, 48,  131.990967,   68.413857,   9,  82,  330.244690,   31.102478,   489,   459
 2020, 07, 13, 04, 48,  132.004028,   68.435966,   8,  66,  328.703827,   27.135983,   491,   458
 2020, 07, 13, 04, 48,  131.988266,   68.435944,   9,  93,  341.922821,   48.684452,   491,   459
 2020, 07, 13, 04, 48,  131.996964,   68.440384,   8,  67,  333.512482,   36.269741,   498,   458
 2020, 07, 13, 04, 48,  131.980499,   68.440384,   8,  63,  325.214508,   25.137436,   498,   459
 2020, 07, 13, 04, 48,  131.959549,   68.440376,   8,  45,  304.881683,    7.096343,   498,   460