datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,07 0:30:00,31 ,       0,       1,0.362634,0.449967
sgpcmbeC1.c1,2004,07 1:30:00,31 ,       0,       1,0.347581,0.448679
sgpcmbeC1.c1,2004,07 2:30:00,31 ,       0,       1,0.352957,0.452699
sgpcmbeC1.c1,2004,07 3:30:00,31 ,       0,       1,0.351434,0.450651
sgpcmbeC1.c1,2004,07 4:30:00,31 ,       0,       1,0.343996,0.457793
sgpcmbeC1.c1,2004,07 5:30:00,31 ,       0,       1,0.287634,0.432384
sgpcmbeC1.c1,2004,07 6:30:00,31 ,       0,       1,0.318369,0.435524
sgpcmbeC1.c1,2004,07 7:30:00,31 ,       0,       1,0.281004,0.387673
sgpcmbeC1.c1,2004,07 8:30:00,31 ,       0,       1,0.251229,0.365924
sgpcmbeC1.c1,2004,07 9:30:00,31 ,       0,       1,0.311618, 0.38766
sgpcmbeC1.c1,2004,0710:30:00,31 ,       0,       1, 0.33629,0.414784
sgpcmbeC1.c1,2004,0711:30:00,31 ,       0,       1,0.323925,0.401713
sgpcmbeC1.c1,2004,0712:30:00,31 ,       0,       1,0.278943,0.376032
sgpcmbeC1.c1,2004,0713:30:00,31 ,       0,       1,0.257079,0.377974
sgpcmbeC1.c1,2004,0714:30:00,31 ,       0,       1,0.264875,0.381357
sgpcmbeC1.c1,2004,0715:30:00,31 ,       0,       1,0.244355,0.351082
sgpcmbeC1.c1,2004,0716:30:00,31 ,       0,       1,0.214068,0.362616
sgpcmbeC1.c1,2004,0717:30:00,31 ,       0,       1,0.239516,0.366756
sgpcmbeC1.c1,2004,0718:30:00,31 ,       0,       1,0.199283,0.357087
sgpcmbeC1.c1,2004,0719:30:00,31 ,       0,       1,0.233871,0.379713
sgpcmbeC1.c1,2004,0720:30:00,31 ,       0,       1,0.290771,0.424779
sgpcmbeC1.c1,2004,0721:30:00,31 ,       0,       1,0.303495,  0.4241
sgpcmbeC1.c1,2004,0722:30:00,31 ,       0,       1,0.349373,0.451914
sgpcmbeC1.c1,2004,0723:30:00,31 ,       0,       1,0.349104,0.446161