year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 12, 08, 04, 54,  121.380127,   -2.582180,   8,  49,  302.350891,    6.903114,   217,  2400
 2020, 12, 08, 04, 54,  120.833107,   -2.037101,   8,  49,  303.649963,    6.481361,   311,  2445
 2020, 12, 08, 04, 54,  121.905533,   -1.518600,   8,  76,  321.584503,   17.400858,   363,  2312
 2020, 12, 08, 04, 54,  121.935051,   -1.496880,   9,  95,  346.854980,   51.832733,   365,  2308
 2020, 12, 08, 04, 54,  121.901459,   -1.493125,   8,  38,  307.082458,    5.881772,   366,  2312
 2020, 12, 08, 04, 54,  121.906418,   -1.471949,   7,  21,  305.097504,    3.689050,   372,  2310
 2020, 12, 08, 04, 54,  122.409912,   -1.286910,   8,  78,  317.683319,   10.861876,   388,  2240
 2020, 12, 08, 04, 54,  121.747864,   -1.370547,   8,  76,  321.151794,   16.357536,   390,  2327
 2020, 12, 08, 04, 54,  121.739777,   -1.371769,   9,  86,  329.341217,   25.631092,   390,  2328
 2020, 12, 08, 04, 54,  121.731934,   -1.372962,   9,  84,  326.590393,   21.976679,   390,  2329
 2020, 12, 08, 04, 54,  121.693375,   -1.378802,   9,  80,  326.254425,   22.261908,   390,  2334
 2020, 12, 08, 04, 54,  121.677795,   -1.372358,   8,  73,  313.103912,   10.421560,   391,  2336
 2020, 12, 08, 04, 54,  122.066681,   -1.305069,   9,  84,  335.064789,   31.236702,   392,  2286
 2020, 12, 08, 04, 54,  121.657364,   -1.223832,   8,  70,  310.522736,    6.294064,   412,  2334
 2020, 12, 08, 04, 54,  127.711304,   -0.027104,   8,  61,  314.494232,    7.897305,   455,  1545
 2020, 12, 08, 04, 54,  121.811424,    0.434956,   8,  58,  320.100952,   11.611551,   658,  2268