year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 08, 28, 05, 08,  117.093155,   -0.528097,   8,  32,  302.807861,    5.179533,   156,  2464
 2020, 08, 28, 05, 08,  117.250786,   -0.219859,   8,  71,  311.620697,   11.160001,   200,  2441
 2020, 08, 28, 05, 08,  117.241264,   -0.221315,   8,  70,  310.658813,   10.025959,   200,  2442
 2020, 08, 28, 05, 08,  114.939445,   -0.574126,   8,  43,  301.463959,    4.818548,   200,  2731
 2020, 08, 28, 05, 08,  114.944649,   -0.562238,   9,  83,  331.774017,   33.270035,   201,  2730
 2020, 08, 28, 05, 08,  114.937675,   -0.563294,   9,  94,  360.220947,   91.548943,   201,  2731
 2020, 08, 28, 05, 08,  115.718307,   -0.174748,   9,  85,  337.144745,   32.958996,   244,  2600
 2020, 08, 28, 05, 08,  120.288841,    0.576868,   8,  57,  303.847443,    4.513932,   249,  2075
 2020, 08, 28, 05, 08,  115.678635,   -0.118064,   8,  71,  314.955505,   11.116899,   250,  2605
 2020, 08, 28, 05, 08,  115.672684,   -0.118968,   8,  66,  310.317688,    8.130364,   250,  2606
 2020, 08, 28, 05, 08,  115.544777,   -0.127909,   8,  78,  317.678284,   13.427440,   251,  2627
 2020, 08, 28, 05, 08,  115.539398,   -0.128730,   8,  77,  316.808716,   12.819518,   251,  2628
 2020, 08, 28, 05, 08,  115.567307,   -0.091623,   9,  82,  322.336975,   17.181650,   260,  2621
 2020, 08, 28, 05, 08,  115.561462,   -0.092540,   8,  55,  304.157135,    4.068040,   260,  2622
 2020, 08, 28, 05, 08,  116.414276,    0.286124,   8,  53,  303.377838,    5.555513,   295,  2511
 2020, 08, 28, 05, 08,  115.513153,    0.156515,   8,  44,  302.039764,    3.733748,   296,  2621
 2020, 08, 28, 05, 08,  115.507034,    0.155570,   8,  42,  302.932617,    3.787910,   296,  2622
 2020, 08, 28, 05, 08,  115.493256,    0.164004,   8,  64,  306.822906,    5.668396,   297,  2624
 2020, 08, 28, 05, 08,  115.487144,    0.163060,   9,  84,  326.566620,   21.856340,   297,  2625
 2020, 08, 28, 05, 08,  117.463913,    0.673860,   8,  49,  310.856903,    8.491380,   328,  2397
 2020, 08, 28, 05, 08,  115.418121,    0.398867,   9,  87,  331.340271,   24.699409,   332,  2628
 2020, 08, 28, 05, 08,  115.422874,    0.410170,   8,  42,  321.251740,   13.921040,   333,  2627
 2020, 08, 28, 05, 08,  115.416634,    0.409218,   8,  35,  319.630493,   12.504697,   333,  2628
 2020, 08, 28, 05, 08,  115.422356,    0.401420,   8,  67,  334.892029,   30.693827,   338,  2626
 2020, 08, 28, 05, 08,  115.416206,    0.400441,   8,  68,  336.534119,   33.524849,   338,  2627
 2020, 08, 28, 05, 08,  115.410065,    0.399455,   8,  43,  307.045258,    6.073939,   338,  2628
 2020, 08, 28, 05, 08,  115.444092,    0.426036,   8,  76,  315.620026,   11.308472,   340,  2622
 2020, 08, 28, 05, 08,  115.295052,    0.445080,   9,  89,  334.155304,   30.683252,   344,  2645
 2020, 08, 28, 05, 08,  115.288673,    0.444085,   8,  57,  304.022614,    3.387163,   344,  2646
 2020, 08, 28, 05, 08,  115.255852,    0.449669,   8,  58,  306.287079,    4.288363,   345,  2651
 2020, 08, 28, 05, 08,  115.162697,    0.478270,   8,  54,  311.998169,    9.361405,   349,  2665
 2020, 08, 28, 05, 08,  115.154999,    0.477106,   8,  64,  326.378357,   22.832029,   349,  2666
 2020, 08, 28, 05, 08,  115.148315,    0.476089,   7,  19,  304.660370,    4.068690,   349,  2667
 2020, 08, 28, 05, 08,  115.160797,    0.477119,   8,  77,  316.508789,   12.682055,   355,  2664
 2020, 08, 28, 05, 08,  115.153206,    0.475902,   9,  82,  322.538818,   18.428135,   355,  2665
 2020, 08, 28, 05, 08,  115.227310,    0.498453,   8,  63,  307.395538,    6.427831,   356,  2653
 2020, 08, 28, 05, 08,  115.178612,    0.490713,   8,  54,  302.839874,    3.714525,   356,  2661
 2020, 08, 28, 05, 08,  115.249268,    0.523332,   9, 100,  361.254150,   81.241112,   358,  2649
 2020, 08, 28, 05, 08,  115.242790,    0.522306,   8,  78,  320.342346,   15.050001,   358,  2650
 2020, 08, 28, 05, 08,  115.247818,    0.533789,   9,  88,  333.475281,   29.116962,   359,  2649
 2020, 08, 28, 05, 08,  115.241425,    0.532785,   8,  68,  314.159119,    9.462263,   359,  2650
 2020, 08, 28, 05, 08,  117.683586,    1.165168,   8,  62,  311.425476,    8.730398,   395,  2360
 2020, 08, 28, 05, 08,  114.519920,    0.795981,   7,  26,  300.845093,    4.075706,   412,  2747
 2020, 08, 28, 05, 08,  114.518272,    0.801445,   7,  19,  301.715973,    4.124750,   419,  2746
 2020, 08, 28, 05, 08,  116.696487,    1.237523,   8,  73,  312.734070,   13.121391,   428,  2464
 2020, 08, 28, 05, 08,  116.698334,    1.240334,   8,  55,  312.925598,   13.451753,   433,  2463
 2020, 08, 28, 05, 08,  117.260254,    1.493241,   8,  78,  317.596527,   16.185320,   455,  2399
 2020, 08, 28, 05, 08,  117.251465,    1.491863,   9,  92,  340.924530,   49.498734,   455,  2400
 2020, 08, 28, 05, 08,  117.267624,    1.503546,   7,   0,  351.705414,   71.953209,   456,  2398
 2020, 08, 28, 05, 08,  117.258827,    1.502174,   8,  74,  353.985443,   78.004242,   456,  2399
 2020, 08, 28, 05, 08,  117.537216,    2.003201,   7,  29,  300.367432,    3.150320,   523,  2355
 2020, 08, 28, 05, 08,  117.923096,    2.226137,   8,  73,  313.850677,    8.969148,   549,  2302
 2020, 08, 28, 05, 08,  117.873741,    2.235649,   8,  66,  314.780090,    9.162779,   551,  2308
 2020, 08, 28, 05, 08,  117.872498,    2.244132,   9,  81,  322.939148,   16.824297,   552,  2308
 2020, 08, 28, 05, 08,  117.168671,    2.133237,   8,  79,  319.059082,   16.749010,   552,  2393
 2020, 08, 28, 05, 08,  117.159889,    2.131851,   8,  71,  310.943268,    9.054047,   552,  2394
 2020, 08, 28, 05, 08,  117.506683,    2.321121,   8,  58,  308.076874,    5.542773,   571,  2350
 2020, 08, 28, 05, 08,  117.505333,    2.329792,   8,  69,  309.774994,    6.758477,   572,  2350
 2020, 08, 28, 05, 08,  117.558281,    2.599481,   8,  49,  305.062683,    3.794625,   613,  2336
 2020, 08, 28, 05, 08,  117.518990,    2.637392,   9, 100,  366.024994,   99.384102,   618,  2340
 2020, 08, 28, 05, 08,  117.510712,    2.636099,   9, 100,  374.549896,  128.162277,   618,  2341
 2020, 08, 28, 05, 08,  117.541817,    2.649796,   8,  71,  311.560699,    7.941076,   619,  2337
 2020, 08, 28, 05, 08,  117.533569,    2.648502,   8,  77,  316.986053,   12.096127,   619,  2338
 2020, 08, 28, 05, 08,  117.509186,    2.644693,   8,  69,  309.422729,    6.404488,   619,  2341
 2020, 08, 28, 05, 08,  117.708420,    2.684547,   8,  44,  307.322388,    5.343785,   620,  2316
 2020, 08, 28, 05, 08,  117.697823,    2.700334,   8,  31,  308.289368,    5.624635,   622,  2317
 2020, 08, 28, 05, 08,  117.365036,    2.648937,   8,  62,  323.810486,   21.180937,   622,  2358
 2020, 08, 28, 05, 08,  117.082733,    2.605279,   8,  42,  303.213501,    3.850746,   622,  2391
 2020, 08, 28, 05, 08,  117.697701,    2.703857,   8,  48,  307.262848,    5.924928,   626,  2316
 2020, 08, 28, 05, 08,  117.365669,    2.650042,   8,  78,  323.787964,   21.789940,   626,  2357
 2020, 08, 28, 05, 08,  117.075340,    2.602853,   8,  60,  304.765076,    5.045730,   626,  2391
 2020, 08, 28, 05, 08,  117.106461,    2.635206,   9, 100,  365.169861,  109.079025,   629,  2387
 2020, 08, 28, 05, 08,  117.611511,    2.733769,   7,  29,  304.022491,    4.496003,   631,  2326
 2020, 08, 28, 05, 08,  117.567406,    2.753132,   9,  82,  331.314240,   29.098467,   634,  2331
 2020, 08, 28, 05, 08,  117.435883,    2.741344,   8,  70,  310.362000,    8.388723,   635,  2347
 2020, 08, 28, 05, 08,  117.427696,    2.740062,   8,  42,  303.328522,    3.934537,   635,  2348
 2020, 08, 28, 05, 08,  117.293442,    2.728000,   8,  67,  316.950714,   14.830984,   636,  2364
 2020, 08, 28, 05, 08,  117.215919,    2.724910,   8,  72,  311.821198,   10.678002,   637,  2373
 2020, 08, 28, 05, 08,  117.216690,    2.724466,   8,  53,  310.559601,   10.444060,   641,  2372
 2020, 08, 28, 05, 08,  117.134628,    2.738248,   8,  78,  317.885773,   14.482983,   644,  2381
 2020, 08, 28, 05, 08,  117.126038,    2.736865,   8,  68,  310.808594,    8.596884,   644,  2382
 2020, 08, 28, 05, 08,  117.071739,    2.746285,   8,  79,  318.783569,   16.699553,   646,  2388
 2020, 08, 28, 05, 08,  117.063156,    2.744913,   8,  76,  316.014587,   14.209600,   646,  2389
 2020, 08, 28, 05, 08,  115.768822,    2.556466,   8,  61,  305.349396,    7.746449,   648,  2523
 2020, 08, 28, 05, 08,  115.757393,    2.554633,   8,  78,  317.749451,   22.135378,   648,  2524
 2020, 08, 28, 05, 08,  117.109566,    2.788640,   8,  77,  316.587341,   14.134469,   650,  2383
 2020, 08, 28, 05, 08,  117.634544,    2.909597,   8,  75,  314.976410,   11.023101,   658,  2318
 2020, 08, 28, 05, 08,  117.378616,    2.903595,   8,  54,  306.403778,    4.695914,   662,  2349
 2020, 08, 28, 05, 08,  116.994446,    2.860273,   8,  76,  315.940826,   14.132159,   664,  2394
 2020, 08, 28, 05, 08,  116.911224,    2.865381,   8,  33,  301.658600,    3.668000,   666,  2403
 2020, 08, 28, 05, 08,  117.314606,    2.991990,   9,  99,  358.588684,   82.071266,   677,  2354
 2020, 08, 28, 05, 08,  117.202744,    2.991936,   9, 100,  364.982239,  103.001190,   679,  2367
 2020, 08, 28, 05, 08,  117.246468,    3.043683,   8,  65,  307.567230,    5.380941,   684,  2361
 2020, 08, 28, 05, 08,  116.478401,    2.955493,   8,  34,  302.674286,    4.251848,   692,  2446
 2020, 08, 28, 05, 08,  117.255577,    3.099550,   8,  79,  319.350861,   15.734286,   694,  2358
 2020, 08, 28, 05, 08,  116.484848,    2.975422,   8,  68,  308.989960,    9.414485,   694,  2445
 2020, 08, 28, 05, 08,  116.656746,    3.425191,   9,  92,  339.573914,   48.535305,   757,  2416
 2020, 08, 28, 05, 08,  116.647614,    3.423702,   9,  95,  347.036377,   63.793427,   757,  2417
 2020, 08, 28, 05, 08,  116.652306,    3.452259,   8,  34,  310.345123,    8.541627,   760,  2416
 2020, 08, 28, 05, 08,  116.667435,    3.473189,   8,  37,  306.033844,    5.520152,   762,  2414
 2020, 08, 28, 05, 08,  116.595291,    3.461697,   8,  52,  302.403748,    3.894686,   762,  2422
 2020, 08, 28, 05, 08,  116.627106,    3.494581,   8,  65,  307.478424,    7.887253,   765,  2418
 2020, 08, 28, 05, 08,  116.617912,    3.493137,   8,  55,  305.203796,    6.045000,   765,  2419
 2020, 08, 28, 05, 08,  116.715805,    3.517747,   8,  58,  316.326019,   14.978817,   766,  2408
 2020, 08, 28, 05, 08,  116.706772,    3.516337,   8,  51,  311.094696,   10.243515,   766,  2409
 2020, 08, 28, 05, 08,  116.534271,    3.489306,   8,  71,  343.579376,   57.589043,   766,  2428