datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,07 0:30:00,27 ,0.661812,8.541158,2.114747,1.568408
sgpcmbeC1.c1,2006,07 1:30:00,27 ,0.628197,14.73913,3.612284,4.030616
sgpcmbeC1.c1,2006,07 2:30:00,27 ,0.755696,10.67417,2.368828, 2.02471
sgpcmbeC1.c1,2006,07 3:30:00,27 ,0.830778,9.235182,2.612072,2.371578
sgpcmbeC1.c1,2006,07 4:30:00,27 ,0.531421,14.42854,2.697066,3.116891
sgpcmbeC1.c1,2006,07 5:30:00,27 ,0.485323, 8.82486, 2.45803,2.218282
sgpcmbeC1.c1,2006,07 6:30:00,27 ,1.065182,10.69675,3.066911,   2.097
sgpcmbeC1.c1,2006,07 7:30:00,27 , 1.11252,12.06435,3.773994,2.374126
sgpcmbeC1.c1,2006,07 8:30:00,28 ,0.979137, 8.91596,3.589701,1.929468
sgpcmbeC1.c1,2006,07 9:30:00,28 ,1.269481,14.58693,3.708852, 2.76135
sgpcmbeC1.c1,2006,0710:30:00,28 ,1.769775, 6.57373,2.996069,1.235574
sgpcmbeC1.c1,2006,0711:30:00,28 ,1.499805,10.93698,3.167138,1.988324
sgpcmbeC1.c1,2006,0712:30:00,28 ,1.522925,11.25586,3.439519,2.427102
sgpcmbeC1.c1,2006,0713:30:00,28 ,  1.5389,6.255084,3.210839,1.199035
sgpcmbeC1.c1,2006,0714:30:00,28 ,1.566549,11.43583, 3.60844,2.654961
sgpcmbeC1.c1,2006,0715:30:00,28 ,1.443153,7.616752,3.015749,1.847399
sgpcmbeC1.c1,2006,0716:30:00,28 ,1.096939,9.272612, 3.11758,2.161637
sgpcmbeC1.c1,2006,0717:30:00,28 ,0.962938,8.707786,2.354792,1.763586
sgpcmbeC1.c1,2006,0718:30:00,28 , 1.03396,7.551231,2.767263,1.793233
sgpcmbeC1.c1,2006,0719:30:00,28 ,1.196107,11.17804,3.809596,1.993486
sgpcmbeC1.c1,2006,0720:30:00,27 ,   1.058,7.619145,2.601601,1.623998
sgpcmbeC1.c1,2006,0721:30:00,27 ,0.806807,15.06475,2.717567,3.055835
sgpcmbeC1.c1,2006,0722:30:00,27 ,0.808102,6.685326,2.245549,1.420756
sgpcmbeC1.c1,2006,0723:30:00,27 ,0.645741,11.00699,2.261927,2.055296