datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,07 0:30:00,31 ,       0,       1,0.361111,0.386998
sgpcmbeC1.c1,2002,07 1:30:00,31 ,       0,       1,0.333961,0.405674
sgpcmbeC1.c1,2002,07 2:30:00,31 ,       0,       1,0.321237,0.390091
sgpcmbeC1.c1,2002,07 3:30:00,31 ,       0,       1,0.295699, 0.36305
sgpcmbeC1.c1,2002,07 4:30:00,31 ,       0,       1,0.385842,0.437229
sgpcmbeC1.c1,2002,07 5:30:00,31 ,       0,       1,0.370968,0.437121
sgpcmbeC1.c1,2002,07 6:30:00,31 ,       0,       1,0.387724, 0.40235
sgpcmbeC1.c1,2002,07 7:30:00,31 ,       0,       1,0.393369,0.436829
sgpcmbeC1.c1,2002,07 8:30:00,31 ,       0,       1,0.420161,0.433262
sgpcmbeC1.c1,2002,07 9:30:00,31 ,       0,       1,0.425806,0.436597
sgpcmbeC1.c1,2002,0710:30:00,31 ,       0,       1,0.400179,0.413209
sgpcmbeC1.c1,2002,0711:30:00,31 ,       0,       1,0.485125,0.390027
sgpcmbeC1.c1,2002,0712:30:00,31 ,       0,       1,0.479122, 0.37304
sgpcmbeC1.c1,2002,0713:30:00,31 ,       0,       1,0.510394,0.377487
sgpcmbeC1.c1,2002,0714:30:00,31 ,       0,       1,0.559677,0.402048
sgpcmbeC1.c1,2002,0715:30:00,31 ,       0,       1,0.510842,0.390979
sgpcmbeC1.c1,2002,0716:30:00,31 ,       0,       1,  0.4681,0.411015
sgpcmbeC1.c1,2002,0717:30:00,31 ,       0,       1,0.448297,0.434526
sgpcmbeC1.c1,2002,0718:30:00,31 ,       0,       1,0.349194,0.360234
sgpcmbeC1.c1,2002,0719:30:00,31 ,       0,       1,0.366039,0.427406
sgpcmbeC1.c1,2002,0720:30:00,31 ,       0,       1,0.387455,0.432272
sgpcmbeC1.c1,2002,0721:30:00,31 ,       0,       1,0.322581,0.421583
sgpcmbeC1.c1,2002,0722:30:00,31 ,       0,       1,0.327867,0.432411
sgpcmbeC1.c1,2002,0723:30:00,31 ,       0,       1,0.358244,0.424193