datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,06 0:30:00,22 ,1.691456,4.856272,3.249656,0.914686
sgpcmbeC1.c1,2002,06 1:30:00,22 ,1.895736,5.087004,3.330293,0.926186
sgpcmbeC1.c1,2002,06 2:30:00,22 ,1.910662, 5.00351,3.407005,0.930525
sgpcmbeC1.c1,2002,06 3:30:00,22 ,1.992741,4.967175,3.386712,0.870425
sgpcmbeC1.c1,2002,06 4:30:00,22 ,2.019253,4.810019,3.414828,0.828978
sgpcmbeC1.c1,2002,06 5:30:00,22 ,2.041918,4.719976,3.473526,0.793363
sgpcmbeC1.c1,2002,06 6:30:00,22 ,2.038766,5.079166,3.512404,0.798049
sgpcmbeC1.c1,2002,06 7:30:00,22 ,2.119415,4.816875,3.477236,0.715098
sgpcmbeC1.c1,2002,06 8:30:00,23 ,1.673638,4.781647,3.442386,0.769988
sgpcmbeC1.c1,2002,06 9:30:00,23 ,1.752742,5.009498,3.495256,0.786898
sgpcmbeC1.c1,2002,0610:30:00,22 ,1.841042,4.912949,3.495916,0.795524
sgpcmbeC1.c1,2002,0611:30:00,21 ,1.750337,5.035186,3.546641,0.830344
sgpcmbeC1.c1,2002,0612:30:00,21 ,1.612476,    4.83,3.559194,0.826313
sgpcmbeC1.c1,2002,0613:30:00,21 ,1.555491,4.956584,3.588657,0.850101
sgpcmbeC1.c1,2002,0614:30:00,21 ,1.525089,5.010492,3.551931,0.826177
sgpcmbeC1.c1,2002,0615:30:00,21 ,1.557328,5.004483, 3.52253, 0.84606
sgpcmbeC1.c1,2002,0616:30:00,21 ,1.626481,4.911417,3.509002,0.871804
sgpcmbeC1.c1,2002,0617:30:00,21 ,1.574528,5.067601, 3.49793, 0.92802
sgpcmbeC1.c1,2002,0618:30:00,21 ,1.603333,5.543564,3.466889, 1.09811
sgpcmbeC1.c1,2002,0619:30:00,21 ,1.563814,4.932251,3.424236,1.062746
sgpcmbeC1.c1,2002,0620:30:00,21 ,1.527052,4.822734, 3.34087,1.031273
sgpcmbeC1.c1,2002,0621:30:00,21 ,1.516617,4.574496,3.335408,1.003459
sgpcmbeC1.c1,2002,0622:30:00,22 , 1.55506,4.749413,3.317351,0.925176
sgpcmbeC1.c1,2002,0623:30:00,22 ,1.641968,4.579941,3.298429,0.888011