year,month,day,hh,mm,lon,lat,mask,confidence,bright_t13,frp,line,sample
 2020, 08, 01, 19, 19,  113.165329,   61.544628,   9, 100,  321.065002,   18.619631,    69,  1932
 2020, 08, 01, 19, 19,  112.797852,   61.350212,   9, 100,  329.645508,   25.878208,   106,  1922
 2020, 08, 01, 19, 19,  112.812912,   61.347126,   9, 100,  353.095673,   57.104942,   106,  1923
 2020, 08, 01, 19, 19,  112.145454,   60.790882,   8,  43,  301.659241,    6.966255,   202,  1915
 2020, 08, 01, 19, 19,  112.102119,   60.761513,   8,  67,  306.267761,    8.156113,   207,  1914
 2020, 08, 01, 19, 19,  112.111015,   60.759224,   8,  31,  300.599976,    5.622027,   208,  1915
 2020, 08, 01, 19, 19,  108.265320,   59.833469,   8,  78,  309.676575,    8.952812,   440,  1725
 2020, 08, 01, 19, 19,   97.345795,   60.849697,   7,  26,  300.391479,    8.348242,   495,  1024
 2020, 08, 01, 19, 19,   97.360420,   60.847313,   9, 100,  329.581818,   36.721542,   498,  1025
 2020, 08, 01, 19, 19,   97.417351,   60.769554,   8,  75,  308.674957,   13.694920,   507,  1029
 2020, 08, 01, 19, 19,  107.811272,   59.427433,   8,  63,  305.131104,    6.839953,   509,  1715
 2020, 08, 01, 19, 19,  107.598091,   58.446495,   9, 100,  327.017700,   19.862453,   654,  1749
 2020, 08, 01, 19, 19,  107.576965,   58.424057,   9, 100,  340.780884,   33.081326,   658,  1749
 2020, 08, 01, 19, 19,  107.491241,   58.424961,   9, 100,  325.943451,   19.271585,   660,  1743
 2020, 08, 01, 19, 19,  107.444176,   58.418968,   8,  78,  309.707001,    8.676476,   662,  1740
 2020, 08, 01, 19, 19,  107.388412,   58.421680,   9, 100,  334.658234,   26.461548,   663,  1736
 2020, 08, 01, 19, 19,  107.328453,   58.417957,   8,  78,  309.856232,    8.995953,   665,  1732
 2020, 08, 01, 19, 19,  107.104034,   58.142216,   8,  57,  303.887909,    6.245500,   710,  1730
 2020, 08, 01, 19, 19,  106.547600,   58.098579,   9, 100,  321.775116,   15.510272,   730,  1693
 2020, 08, 01, 19, 19,  106.545036,   58.036697,   9, 100,  357.328247,   54.935246,   739,  1696
 2020, 08, 01, 19, 19,  106.812126,   57.990723,   9,  88,  313.821777,   10.656775,   739,  1717
 2020, 08, 01, 19, 19,  106.795479,   57.986515,   8,  35,  300.890625,    5.054043,   740,  1716
 2020, 08, 01, 19, 19,  106.808144,   57.984318,   9,  81,  310.903687,    9.337941,   740,  1717