datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,06 0:30:00,30 ,       0,       1,0.435556,0.455368
sgpcmbeC1.c1,2005,06 1:30:00,30 ,       0,       1,0.488333,0.469024
sgpcmbeC1.c1,2005,06 2:30:00,30 ,       0,       1,0.483611,0.455268
sgpcmbeC1.c1,2005,06 3:30:00,30 ,       0,       1,0.494722,0.430867
sgpcmbeC1.c1,2005,06 4:30:00,30 ,       0,       1,0.360833,0.396366
sgpcmbeC1.c1,2005,06 5:30:00,30 ,       0,       1,0.336852,0.408892
sgpcmbeC1.c1,2005,06 6:30:00,30 ,       0,       1,0.369537,0.393434
sgpcmbeC1.c1,2005,06 7:30:00,30 ,       0,       1,0.372222,0.386365
sgpcmbeC1.c1,2005,06 8:30:00,30 ,       0,       1,0.425278,0.413184
sgpcmbeC1.c1,2005,06 9:30:00,30 ,       0,       1,0.419259,0.368359
sgpcmbeC1.c1,2005,0610:30:00,30 ,       0,0.988889,0.390463,0.351387
sgpcmbeC1.c1,2005,0611:30:00,30 ,       0,       1,  0.3625,0.345346
sgpcmbeC1.c1,2005,0612:30:00,30 ,       0,       1,0.388426,0.364041
sgpcmbeC1.c1,2005,0613:30:00,30 ,       0,       1,0.388519, 0.36383
sgpcmbeC1.c1,2005,0614:30:00,30 ,       0,       1,0.419167,0.405143
sgpcmbeC1.c1,2005,0615:30:00,30 ,       0,       1,0.388056,0.371806
sgpcmbeC1.c1,2005,0616:30:00,30 ,       0,       1,0.338148,0.392849
sgpcmbeC1.c1,2005,0617:30:00,30 ,       0,       1,0.388981,0.404877
sgpcmbeC1.c1,2005,0618:30:00,30 ,       0,       1,0.441574,0.433561
sgpcmbeC1.c1,2005,0619:30:00,30 ,       0,       1, 0.41463,0.400344
sgpcmbeC1.c1,2005,0620:30:00,30 ,       0,       1,0.401574,0.403061
sgpcmbeC1.c1,2005,0621:30:00,30 ,       0,       1,0.344537,0.433574
sgpcmbeC1.c1,2005,0622:30:00,30 ,       0,       1,0.411759,0.462002
sgpcmbeC1.c1,2005,0623:30:00,30 ,       0,       1,0.438426, 0.44017