datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,05 0:30:00,31 ,0.514305,6.089615,1.692771,1.360962
sgpcmbeC1.c1,2005,05 1:30:00,31 ,0.437153, 10.0085,2.284707,2.052256
sgpcmbeC1.c1,2005,05 2:30:00,31 ,0.506353,3.815855,1.727474,1.008862
sgpcmbeC1.c1,2005,05 3:30:00,31 ,0.504754,7.710778,1.825376,1.431901
sgpcmbeC1.c1,2005,05 4:30:00,31 ,0.291544,3.848268,1.715694,0.999662
sgpcmbeC1.c1,2005,05 5:30:00,31 ,0.411374, 5.22035,1.838848,1.201271
sgpcmbeC1.c1,2005,05 6:30:00,31 ,0.820035, 10.1598,4.487629, 2.68919
sgpcmbeC1.c1,2005,05 7:30:00,31 ,0.541727,12.85731,5.780288,2.664669
sgpcmbeC1.c1,2005,05 8:30:00,31 ,1.126289,11.28857, 5.96297,2.576743
sgpcmbeC1.c1,2005,05 9:30:00,31 ,0.815322,11.22028,6.558781,2.453561
sgpcmbeC1.c1,2005,0510:30:00,31 ,2.223515,11.39936, 6.65138,2.185546
sgpcmbeC1.c1,2005,0511:30:00,31 ,1.577653,13.89216,6.829977,3.271982
sgpcmbeC1.c1,2005,0512:30:00,31 ,1.125229,15.29699, 6.34698,3.801138
sgpcmbeC1.c1,2005,0513:30:00,31 ,1.883947,18.26578,  6.1417,4.177216
sgpcmbeC1.c1,2005,0514:30:00,31 , 1.91789,22.33297,6.578082,4.767632
sgpcmbeC1.c1,2005,0515:30:00,31 ,2.574662,14.33369,5.287982,2.962927
sgpcmbeC1.c1,2005,0516:30:00,31 ,0.507682,17.90636,6.095144,3.668257
sgpcmbeC1.c1,2005,0517:30:00,31 ,1.138748,9.572601,4.698307,2.200062
sgpcmbeC1.c1,2005,0518:30:00,31 ,0.838383,9.628194, 4.86582,2.441207
sgpcmbeC1.c1,2005,0519:30:00,31 ,0.506762,13.78702,5.281426, 2.67306
sgpcmbeC1.c1,2005,0520:30:00,31 , 0.51156,5.156199,2.304369,1.340221
sgpcmbeC1.c1,2005,0521:30:00,31 ,0.415719, 5.69675,2.050341,1.442191
sgpcmbeC1.c1,2005,0522:30:00,31 ,0.549102,3.869141,1.688254,0.925338
sgpcmbeC1.c1,2005,0523:30:00,31 ,0.564456,5.004694,1.787818,1.191622