datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,07 0:30:00,21 ,2.317276,5.773637,4.632203,0.843734
sgpcmbeC1.c1,1998,07 1:30:00,21 ,2.354677,5.931027,4.639058,0.833544
sgpcmbeC1.c1,1998,07 2:30:00,21 ,2.358811,6.119626,4.636131,0.823108
sgpcmbeC1.c1,1998,07 3:30:00,21 ,2.362646,6.202663,4.621701,0.877912
sgpcmbeC1.c1,1998,07 4:30:00,22 ,2.492244,6.376138,4.696102,0.921745
sgpcmbeC1.c1,1998,07 5:30:00,20 ,2.736417,6.151117,4.619838,0.865532
sgpcmbeC1.c1,1998,07 6:30:00,20 ,3.016232, 6.01162,4.596888,0.824294
sgpcmbeC1.c1,1998,07 7:30:00,20 ,3.058934,5.866061,4.531888,0.751209
sgpcmbeC1.c1,1998,07 8:30:00,23 ,3.151223,5.770015,4.481421,0.738461
sgpcmbeC1.c1,1998,07 9:30:00,24 ,3.301468,5.743475,4.481482,0.703834
sgpcmbeC1.c1,1998,0710:30:00,24 ,3.363108,5.632469,4.478874,0.657129
sgpcmbeC1.c1,1998,0711:30:00,24 ,3.317962,5.658518,4.508127,0.619364
sgpcmbeC1.c1,1998,0712:30:00,25 ,3.256513,5.642808,4.465162,0.650792
sgpcmbeC1.c1,1998,0713:30:00,25 ,3.341257,5.780806,4.508778,0.696758
sgpcmbeC1.c1,1998,0714:30:00,25 ,3.161119,5.842003,  4.5469,0.726292
sgpcmbeC1.c1,1998,0715:30:00,25 ,2.935534,6.066375,4.583744,0.766265
sgpcmbeC1.c1,1998,0716:30:00,25 , 2.75272,6.000235,4.576929,0.783556
sgpcmbeC1.c1,1998,0717:30:00,24 ,2.663299, 5.88578,4.657211,0.774175
sgpcmbeC1.c1,1998,0718:30:00,23 ,2.402229,5.903043,4.565128,0.880366
sgpcmbeC1.c1,1998,0719:30:00,23 ,2.494041, 6.02144,4.587569,0.877816
sgpcmbeC1.c1,1998,0720:30:00,23 ,2.478987,6.127812, 4.56399, 0.88038
sgpcmbeC1.c1,1998,0721:30:00,23 ,2.425421, 6.19709,4.543804,0.902152
sgpcmbeC1.c1,1998,0722:30:00,22 ,2.375651,6.226309,4.694754,0.836542
sgpcmbeC1.c1,1998,0723:30:00,22 , 2.38472,6.223685,4.698104,0.842311