datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,01 0:30:00,27 ,0.209588,2.565051,0.958913,0.504528
sgpcmbeC1.c1,2001,01 1:30:00,24 ,0.214074,1.916176,0.877224,0.376286
sgpcmbeC1.c1,2001,01 2:30:00,25 ,0.223272,3.069266,0.966123, 0.56163
sgpcmbeC1.c1,2001,01 3:30:00,22 ,0.227121,1.622878,0.851432,0.340812
sgpcmbeC1.c1,2001,01 4:30:00,22 ,0.217297,1.623064,0.856449,0.333523
sgpcmbeC1.c1,2001,01 5:30:00,22 , 0.21311,1.689127,0.873547,0.342908
sgpcmbeC1.c1,2001,01 6:30:00,23 ,0.224415,2.254333,0.887145,0.411832
sgpcmbeC1.c1,2001,01 7:30:00,22 ,0.248213,2.475442,0.894224,0.457221
sgpcmbeC1.c1,2001,01 8:30:00,23 ,0.192307,1.299754,0.819616, 0.31115
sgpcmbeC1.c1,2001,01 9:30:00,24 ,0.187387,1.903046,0.872376,0.383178
sgpcmbeC1.c1,2001,0110:30:00,26 ,0.207416,1.681896,0.906214,0.370844
sgpcmbeC1.c1,2001,0111:30:00,27 , 0.20615,1.600228,0.892363,0.342359
sgpcmbeC1.c1,2001,0112:30:00,27 ,0.220295,1.881887,0.897481,0.339963
sgpcmbeC1.c1,2001,0113:30:00,28 ,0.246641,2.017489,0.889544,0.340573
sgpcmbeC1.c1,2001,0114:30:00,28 ,  0.2412, 2.18397,0.897241,0.361823
sgpcmbeC1.c1,2001,0115:30:00,27 ,0.237895,2.127214,0.905612,0.372418
sgpcmbeC1.c1,2001,0116:30:00,27 ,0.249652,2.220259,0.922434,0.402475
sgpcmbeC1.c1,2001,0117:30:00,27 ,0.263824,2.343139,0.956357,0.451814
sgpcmbeC1.c1,2001,0118:30:00,27 ,0.263786,2.922482,0.983985,0.559179
sgpcmbeC1.c1,2001,0119:30:00,27 ,0.241644,3.385134, 1.01701,0.700805
sgpcmbeC1.c1,2001,0120:30:00,27 ,0.224692,4.191226, 1.00225,0.750778
sgpcmbeC1.c1,2001,0121:30:00,27 ,0.216152,3.562064,0.966939,0.635699
sgpcmbeC1.c1,2001,0122:30:00,26 ,0.215057,1.924671,0.878161,0.373473
sgpcmbeC1.c1,2001,0123:30:00,26 ,0.214211,2.006713,0.889917,0.385255