year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 10, 13, 05, 45,  115.052025,   -3.581113,   9,  88,  345.319183,   33.758221,    53,  1644
 2020, 10, 13, 05, 45,  116.254585,   -3.317967,   8,  63,  315.722748,    7.682586,    65,  1468
 2020, 10, 13, 05, 45,  115.441551,   -2.717580,   8,  70,  315.606079,    6.860739,   172,  1563
 2020, 10, 13, 05, 45,  115.103249,   -2.728753,   8,  56,  318.223785,    5.562359,   178,  1610
 2020, 10, 13, 05, 45,  115.096352,   -2.729798,   8,  62,  321.201630,    7.471158,   178,  1611
 2020, 10, 13, 05, 45,  115.125916,   -2.691385,   8,  66,  321.769653,    6.856027,   183,  1606
 2020, 10, 13, 05, 45,  114.707985,   -2.734134,   8,  71,  316.454254,    6.431775,   186,  1666
 2020, 10, 13, 05, 45,  115.032417,   -2.637889,   8,  73,  317.542267,    5.198663,   193,  1617
 2020, 10, 13, 05, 45,  115.567429,   -2.529739,   8,  74,  318.875061,    8.082573,   197,  1539
 2020, 10, 13, 05, 45,  115.546730,   -2.350576,   9,  94,  428.773712,  296.329315,   224,  1536
 2020, 10, 13, 05, 45,  115.539795,   -2.351624,   9,  98,  355.381226,   45.232517,   224,  1537
 2020, 10, 13, 05, 45,  115.847565,   -1.993246,   8,  79,  321.624115,    9.917089,   270,  1484
 2020, 10, 13, 05, 45,  115.856186,   -1.864551,   8,  60,  315.711060,    6.341674,   289,  1478
 2020, 10, 13, 05, 45,  115.206429,   -1.848119,   8,  73,  316.780304,    7.078315,   306,  1568
 2020, 10, 13, 05, 45,  115.793457,   -1.690960,   8,  74,  317.603149,    7.328256,   316,  1482
 2020, 10, 13, 05, 45,  115.792480,   -1.684275,   8,  69,  316.945801,    6.889384,   317,  1482
 2020, 10, 13, 05, 45,  110.965637,   -2.236602,   8,  50,  303.476044,    3.931160,   343,  2119
 2020, 10, 13, 05, 45,  116.127426,   -1.377274,   8,  64,  311.192413,    4.896452,   355,  1426
 2020, 10, 13, 05, 45,  111.119492,   -2.105295,   8,  77,  317.243011,   13.032836,   359,  2100
 2020, 10, 13, 05, 45,  111.110176,   -2.106691,   8,  78,  318.101166,   14.073548,   359,  2101
 2020, 10, 13, 05, 45,  115.197708,   -1.430377,   9,  88,  334.164154,   20.532278,   368,  1556
 2020, 10, 13, 05, 45,  116.105743,   -1.286439,   8,  73,  318.266205,    9.276278,   369,  1426
 2020, 10, 13, 05, 45,  111.282158,   -2.011411,   8,  59,  308.297760,    5.675045,   370,  2080
 2020, 10, 13, 05, 45,  111.280983,   -2.003940,   8,  77,  316.830200,   12.434469,   371,  2080
 2020, 10, 13, 05, 45,  112.724556,   -1.633821,   9,  88,  333.247223,   22.828243,   393,  1900
 2020, 10, 13, 05, 45,  113.123421,   -1.493956,   8,  67,  310.879486,    4.017682,   405,  1844
 2020, 10, 13, 05, 45,  115.930321,   -0.899083,   8,  53,  302.763702,    3.611623,   430,  1439
 2020, 10, 13, 05, 45,  112.342117,   -1.223220,   8,  61,  306.336121,    3.820640,   462,  1937
 2020, 10, 13, 05, 45,  112.301941,   -1.221994,   8,  77,  317.540314,   10.261426,   463,  1942
 2020, 10, 13, 05, 45,  112.302010,   -1.222145,   8,  78,  318.536163,   10.902218,   464,  1941
 2020, 10, 13, 05, 45,  113.237877,   -1.065161,   8,  79,  319.964355,   11.036467,   466,  1816
 2020, 10, 13, 05, 45,  112.561295,   -1.161090,   9,  83,  324.834442,   15.220840,   467,  1907
 2020, 10, 13, 05, 45,  112.663574,   -1.117187,   9,  94,  345.931519,   38.259960,   471,  1893
 2020, 10, 13, 05, 45,  112.656029,   -1.118329,   9,  97,  354.343140,   51.706436,   471,  1894
 2020, 10, 13, 05, 45,  115.444542,   -0.689843,   9,  93,  343.793549,   31.567087,   472,  1499
 2020, 10, 13, 05, 45,  112.661545,   -1.103324,   9, 100,  382.435120,  118.466095,   473,  1893
 2020, 10, 13, 05, 45,  114.985207,   -0.745847,   8,  52,  309.753510,    7.012101,   474,  1565
 2020, 10, 13, 05, 45,  115.434593,   -0.670896,   8,  64,  310.201294,    3.995502,   475,  1500
 2020, 10, 13, 05, 45,  113.380287,   -0.981270,   8,  62,  306.390259,    3.961475,   475,  1795
 2020, 10, 13, 05, 45,  112.310745,   -1.120139,   8,  72,  312.558472,    6.807201,   478,  1938
 2020, 10, 13, 05, 45,  115.409721,   -0.647412,   8,  69,  309.798004,    4.615055,   479,  1503
 2020, 10, 13, 05, 45,  112.415291,   -1.075017,   8,  67,  309.505249,    4.611627,   483,  1923
 2020, 10, 13, 05, 45,  112.407593,   -1.076190,   8,  68,  310.156311,    5.169020,   483,  1924
 2020, 10, 13, 05, 45,  115.431061,   -0.604009,   9,  83,  332.723480,   19.688993,   485,  1498
 2020, 10, 13, 05, 45,  112.444038,   -1.056352,   8,  78,  318.743683,   10.326785,   485,  1919
 2020, 10, 13, 05, 45,  112.187225,   -1.095302,   9,  83,  325.605103,   17.775841,   485,  1952
 2020, 10, 13, 05, 45,  114.878975,   -0.653594,   7,   0,  300.460754,    2.926255,   490,  1577
 2020, 10, 13, 05, 45,  115.499878,   -0.538989,   8,  77,  332.777100,   20.177725,   493,  1487
 2020, 10, 13, 05, 45,  116.624374,   -0.193390,   8,  56,  308.367157,    6.020909,   519,  1325
 2020, 10, 13, 05, 45,  116.616898,   -0.194525,   8,  66,  311.660950,    8.113813,   519,  1326
 2020, 10, 13, 05, 45,  113.926514,    0.107357,   8,  76,  316.107300,    7.282196,   624,  1686
 2020, 10, 13, 05, 45,  110.847763,    0.119688,   8,  46,  306.241333,    3.907534,   695,  2076