year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 12, 21, 05, 55,  105.187637,   10.778646,   8,  75,  319.771606,   16.664854,     2,  2255
 2020, 12, 21, 05, 55,  104.030815,   10.593044,   9,  86,  328.363647,   29.876421,     4,  2397
 2020, 12, 21, 05, 55,  103.889427,   10.775495,   8,  55,  303.270111,    5.637901,    35,  2407
 2020, 12, 21, 05, 55,  103.686821,   11.021130,   8,  57,  303.617157,    4.887676,    74,  2422
 2020, 12, 21, 05, 55,  103.677574,   11.019517,   8,  59,  308.672394,    8.926645,    74,  2423
 2020, 12, 21, 05, 55,  104.501518,   11.270242,   8,  54,  305.550842,    5.561448,    90,  2325
 2020, 12, 21, 05, 55,  104.811264,   11.414541,   8,  52,  302.382294,    3.911174,   104,  2283
 2020, 12, 21, 05, 55,  104.209671,   11.435748,   8,  56,  303.601318,    3.227204,   122,  2354
 2020, 12, 21, 05, 55,  104.527390,   11.698183,   9,  82,  323.155243,   16.641705,   153,  2309
 2020, 12, 21, 05, 55,  104.533821,   11.707994,   9,  87,  330.056946,   24.144129,   154,  2308
 2020, 12, 21, 05, 55,  104.525871,   11.706616,   9,  82,  322.658295,   16.053337,   154,  2309
 2020, 12, 21, 05, 55,  104.450829,   11.711153,   8,  70,  310.552399,    6.342056,   156,  2318
 2020, 12, 21, 05, 55,  104.069435,   11.645452,   8,  59,  304.493530,    5.238976,   156,  2364
 2020, 12, 21, 05, 55,  103.885071,   11.740057,   8,  46,  305.387390,    3.317026,   174,  2382
 2020, 12, 21, 05, 55,  104.543076,   11.847973,   8,  41,  304.487640,    5.295432,   177,  2302
 2020, 12, 21, 05, 55,  104.535217,   11.846569,   8,  64,  327.424591,   24.262365,   177,  2303
 2020, 12, 21, 05, 55,  104.111511,   11.815415,   8,  65,  307.414001,    5.178092,   182,  2354
 2020, 12, 21, 05, 55,  104.086166,   11.810933,   8,  67,  308.396027,    6.428236,   182,  2357
 2020, 12, 21, 05, 55,  104.077660,   11.809428,   8,  64,  306.752472,    5.542058,   182,  2358
 2020, 12, 21, 05, 55,  102.766510,   12.104537,   8,  50,  309.655945,   11.138684,   261,  2485
 2020, 12, 21, 05, 55,  102.764366,   12.113899,   9,  81,  322.188904,   26.364347,   262,  2485
 2020, 12, 21, 05, 55,  102.738548,   12.207150,   8,  71,  312.069275,   15.666060,   277,  2485
 2020, 12, 21, 05, 55,  104.995529,   13.036922,   8,  65,  307.407349,    6.800979,   340,  2206
 2020, 12, 21, 05, 55,  104.483170,   13.565405,   8,  58,  304.219543,    4.813191,   429,  2256
 2020, 12, 21, 05, 55,  105.163071,   13.716880,   8,  65,  307.274292,    8.672431,   436,  2170
 2020, 12, 21, 05, 55,  105.152786,   13.715080,   8,  31,  301.910309,    5.467382,   436,  2171
 2020, 12, 21, 05, 55,  105.051422,   13.887493,   8,  74,  313.695648,   15.602142,   462,  2177
 2020, 12, 21, 05, 55,  105.053421,   13.890601,   8,  71,  311.449158,   13.801283,   465,  2176
 2020, 12, 21, 05, 55,  104.284264,   13.838967,   8,  69,  309.620575,    7.427081,   475,  2272
 2020, 12, 21, 05, 55,  104.585381,   14.133062,   7,  14,  300.033325,    3.157797,   510,  2224
 2020, 12, 21, 05, 55,  104.558685,   14.153699,   8,  37,  300.472046,    3.260003,   516,  2226
 2020, 12, 21, 05, 55,  103.402702,   13.954701,   8,  65,  330.176788,   27.072201,   517,  2371
 2020, 12, 21, 05, 55,  103.393997,   13.953120,   7,  21,  318.733398,   13.937382,   517,  2372
 2020, 12, 21, 05, 55,  103.385284,   13.951530,   8,  44,  323.521179,   18.836493,   517,  2373
 2020, 12, 21, 05, 55,  103.339920,   13.952341,   8,  59,  307.216736,    5.850999,   518,  2378
 2020, 12, 21, 05, 55,  102.919250,   13.894153,   9,  80,  320.129547,   18.418028,   520,  2424
 2020, 12, 21, 05, 55,  103.384201,   14.005591,   8,  50,  307.547333,    7.265399,   523,  2372
 2020, 12, 21, 05, 55,  103.300850,   14.025964,   8,  40,  305.453369,    5.244339,   531,  2380
 2020, 12, 21, 05, 55,  103.281616,   14.031526,   8,  65,  308.230408,    7.814963,   532,  2382
 2020, 12, 21, 05, 55,  103.138756,   14.005268,   8,  46,  301.242218,    3.764656,   532,  2398
 2020, 12, 21, 05, 55,  103.129692,   14.003594,   8,  63,  306.085968,    6.876659,   532,  2399
 2020, 12, 21, 05, 55,  104.520851,   14.280174,   8,  61,  305.437836,    4.505862,   535,  2227
 2020, 12, 21, 05, 55,  104.392159,   14.316416,   8,  44,  304.121674,    3.315970,   542,  2243
 2020, 12, 21, 05, 55,  104.392014,   14.315717,   8,  44,  304.196808,    3.223232,   545,  2242
 2020, 12, 21, 05, 55,  107.122292,   14.793986,   8,  55,  304.142426,    6.065997,   546,  1931
 2020, 12, 21, 05, 55,  104.216942,   14.335217,   7,  22,  304.915894,    3.550572,   551,  2264
 2020, 12, 21, 05, 55,  104.215462,   14.343464,   8,  73,  313.245178,    9.552934,   552,  2264
 2020, 12, 21, 05, 55,  101.297401,   14.069829,   8,  54,  312.058289,    6.589433,   594,  2572
 2020, 12, 21, 05, 55,  102.326561,   14.383665,   8,  72,  346.886658,   71.402008,   606,  2470
 2020, 12, 21, 05, 55,  102.330551,   14.377231,   9,  84,  325.942688,   28.935038,   610,  2469
 2020, 12, 21, 05, 55,  102.320427,   14.375310,   9,  83,  324.254517,   26.595697,   610,  2470
 2020, 12, 21, 05, 55,  102.328545,   14.386494,   7,  29,  306.838959,    6.292900,   611,  2469
 2020, 12, 21, 05, 55,  104.081169,   15.444996,   8,  63,  308.083862,    6.296219,   717,  2245
 2020, 12, 21, 05, 55,  104.283211,   15.505358,   8,  60,  305.173340,    4.539369,   723,  2216
 2020, 12, 21, 05, 55,  100.394753,   15.092775,   8,  52,  310.408112,    7.310241,   765,  2667