year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 07, 24, 04, 31,  121.323669,   23.305460,   8,  33,  310.431732,    8.353176,    30,  2520
 2020, 07, 24, 04, 31,  120.324493,   23.206894,   8,  67,  308.227081,    5.689787,    52,  2635
 2020, 07, 24, 04, 31,  121.644714,   24.145296,   8,  35,  305.415283,    6.241958,   148,  2469
 2020, 07, 24, 04, 31,  115.828194,   22.880009,   8,  60,  306.413910,   11.309958,   154,  3106
 2020, 07, 24, 04, 31,  115.819992,   22.887150,   8,  63,  307.585510,   13.177423,   163,  3106
 2020, 07, 24, 04, 31,  140.890976,   27.241068,   9,  94,  348.598419,   88.208229,   214,   276
 2020, 07, 24, 04, 31,  140.880951,   27.240389,   9, 100,  364.423309,  145.010086,   214,   277