datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,09 0:30:00,26 ,1.032835,4.124858,2.920291, 0.88184
sgpcmbeC1.c1,2002,09 1:30:00,26 ,1.092652,4.370883,2.913635,0.872455
sgpcmbeC1.c1,2002,09 2:30:00,26 ,1.171599,4.538394,2.918805,0.884306
sgpcmbeC1.c1,2002,09 3:30:00,26 ,1.156806,4.607319,2.900421,0.882499
sgpcmbeC1.c1,2002,09 4:30:00,26 ,1.176044,4.623558, 2.87225,0.882674
sgpcmbeC1.c1,2002,09 5:30:00,24 ,1.179188,3.925121,2.761162,0.847436
sgpcmbeC1.c1,2002,09 6:30:00,24 ,1.232108,4.073518,2.744752,0.884765
sgpcmbeC1.c1,2002,09 7:30:00,27 ,1.299509,4.641346,2.867702,0.998811
sgpcmbeC1.c1,2002,09 8:30:00,27 ,1.370931,4.405869,2.811844,  0.9965
sgpcmbeC1.c1,2002,09 9:30:00,27 ,1.155825,4.418571,2.788056, 1.00564
sgpcmbeC1.c1,2002,0910:30:00,27 ,1.141172,4.455681,2.789037,0.995937
sgpcmbeC1.c1,2002,0911:30:00,28 ,1.422252,  4.3269,2.856806,0.994191
sgpcmbeC1.c1,2002,0912:30:00,28 ,1.378504,4.215178,2.868056, 0.96284
sgpcmbeC1.c1,2002,0913:30:00,27 ,1.431136, 4.18333,2.821817,0.917385
sgpcmbeC1.c1,2002,0914:30:00,28 ,1.491982,4.614829,2.933139,0.950215
sgpcmbeC1.c1,2002,0915:30:00,27 ,1.392053,4.172894,2.897513,0.900234
sgpcmbeC1.c1,2002,0916:30:00,27 ,1.312577,4.189407,2.937858,0.908019
sgpcmbeC1.c1,2002,0917:30:00,27 ,1.345658,4.317346,2.974282,0.913851
sgpcmbeC1.c1,2002,0918:30:00,27 , 1.32651,4.766429, 3.02763,0.951766
sgpcmbeC1.c1,2002,0919:30:00,26 ,1.348654,4.399627,2.996812,0.931223
sgpcmbeC1.c1,2002,0920:30:00,26 ,1.332259,4.207809,3.064014,0.937644
sgpcmbeC1.c1,2002,0921:30:00,26 ,1.247253,4.087657, 3.05078,0.925377
sgpcmbeC1.c1,2002,0922:30:00,26 ,1.157056,4.138443,2.998577,0.911912
sgpcmbeC1.c1,2002,0923:30:00,26 ,1.125003,4.156976, 2.94524,0.904695