datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,07 0:30:00,31 ,1.005225,8.023844,1.999883,1.526301
sgpcmbeC1.c1,2005,07 1:30:00,31 ,0.726433, 20.2936,2.655452,3.731455
sgpcmbeC1.c1,2005,07 2:30:00,31 ,0.863531,21.91936,3.012414,4.475428
sgpcmbeC1.c1,2005,07 3:30:00,31 ,0.901692,11.14846,2.657713,2.644437
sgpcmbeC1.c1,2005,07 4:30:00,31 ,0.906232,8.604554,2.447609,2.054118
sgpcmbeC1.c1,2005,07 5:30:00,31 ,0.570783,11.98913,2.815441,2.911164
sgpcmbeC1.c1,2005,07 6:30:00,31 ,1.247835,9.225394,2.949537,1.964296
sgpcmbeC1.c1,2005,07 7:30:00,31 ,0.981053,8.259613,  3.3924,1.749223
sgpcmbeC1.c1,2005,07 8:30:00,31 ,1.404878,11.52427,3.886701,2.322078
sgpcmbeC1.c1,2005,07 9:30:00,31 ,2.015822,16.48964,4.239792,3.272209
sgpcmbeC1.c1,2005,0710:30:00,31 ,1.583708,9.482409,3.701104,1.964428
sgpcmbeC1.c1,2005,0711:30:00,31 ,1.472994,12.45714,3.366968,2.296322
sgpcmbeC1.c1,2005,0712:30:00,30 , 1.31413,7.580823,3.352594,1.585439
sgpcmbeC1.c1,2005,0713:30:00,30 ,1.119816,10.50931,3.121816,2.014805
sgpcmbeC1.c1,2005,0714:30:00,31 ,1.379746,10.17163, 3.25865,2.164116
sgpcmbeC1.c1,2005,0715:30:00,31 ,1.221848,7.086545, 3.33305,1.643353
sgpcmbeC1.c1,2005,0716:30:00,31 ,1.287335,9.942227,3.079319, 2.24479
sgpcmbeC1.c1,2005,0717:30:00,31 ,1.246261,10.76509,2.513498,1.837041
sgpcmbeC1.c1,2005,0718:30:00,31 ,1.141928,4.708526,2.690418,0.960928
sgpcmbeC1.c1,2005,0719:30:00,31 ,0.684515,8.689022, 3.55766,1.808981
sgpcmbeC1.c1,2005,0720:30:00,31 ,0.966034,8.251939,2.648691,1.737413
sgpcmbeC1.c1,2005,0721:30:00,31 ,0.811792,8.125385,2.247352,1.678066
sgpcmbeC1.c1,2005,0722:30:00,31 ,0.906612,7.257302,2.245426,1.505374
sgpcmbeC1.c1,2005,0723:30:00,31 ,0.783695,6.251727,1.924541,1.259783