datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,07 0:30:00,31 ,       0,       1,0.362993,0.423435
sgpcmbeC1.c1,2006,07 1:30:00,31 ,       0,       1,0.411022,0.430882
sgpcmbeC1.c1,2006,07 2:30:00,31 ,       0,       1,0.498208,0.459129
sgpcmbeC1.c1,2006,07 3:30:00,31 ,       0,       1,0.455645,0.426855
sgpcmbeC1.c1,2006,07 4:30:00,31 ,       0,       1,0.501523,0.442149
sgpcmbeC1.c1,2006,07 5:30:00,31 ,       0,       1,0.507258,0.480571
sgpcmbeC1.c1,2006,07 6:30:00,31 ,       0,       1,0.519265,0.489877
sgpcmbeC1.c1,2006,07 7:30:00,31 ,       0,       1,0.460484,0.444885
sgpcmbeC1.c1,2006,07 8:30:00,31 ,       0,       1,0.428763,0.417916
sgpcmbeC1.c1,2006,07 9:30:00,31 ,       0,       1, 0.45448,0.461053
sgpcmbeC1.c1,2006,0710:30:00,31 ,       0,       1,0.433333,0.448519
sgpcmbeC1.c1,2006,0711:30:00,31 ,       0,       1,0.402867,0.427355
sgpcmbeC1.c1,2006,0712:30:00,31 ,       0,       1,0.421505,0.407113
sgpcmbeC1.c1,2006,0713:30:00,31 ,       0,       1,0.408781,0.414842
sgpcmbeC1.c1,2006,0714:30:00,31 ,       0,       1,0.421774,0.424344
sgpcmbeC1.c1,2006,0715:30:00,31 ,       0,       1,0.425358,0.404881
sgpcmbeC1.c1,2006,0716:30:00,31 ,       0,       1,0.452419,0.406256
sgpcmbeC1.c1,2006,0717:30:00,31 ,       0,       1,0.345072,0.419089
sgpcmbeC1.c1,2006,0718:30:00,31 ,       0,       1, 0.33777,0.421926
sgpcmbeC1.c1,2006,0719:30:00,31 ,       0,       1,0.335753,  0.4069
sgpcmbeC1.c1,2006,0720:30:00,31 ,       0,       1,0.382616,0.469475
sgpcmbeC1.c1,2006,0721:30:00,31 ,       0,       1,0.356541,0.467271
sgpcmbeC1.c1,2006,0722:30:00,31 ,       0,       1,0.387545,0.474348
sgpcmbeC1.c1,2006,0723:30:00,31 ,       0,       1,0.348656,0.442773