datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,01 0:30:00,31 ,       0,       1,0.624104,0.457861
sgpcmbeC1.c1,2004,01 1:30:00,31 ,       0,       1,0.634409,0.468528
sgpcmbeC1.c1,2004,01 2:30:00,31 ,       0,       1,0.616577,0.478676
sgpcmbeC1.c1,2004,01 3:30:00,31 ,       0,       1,0.624104,0.476229
sgpcmbeC1.c1,2004,01 4:30:00,31 ,       0,       1,0.618548,0.455906
sgpcmbeC1.c1,2004,01 5:30:00,31 ,       0,       1, 0.66353, 0.46275
sgpcmbeC1.c1,2004,01 6:30:00,31 ,       0,       1,0.639875,0.466509
sgpcmbeC1.c1,2004,01 7:30:00,31 ,       0,       1,0.673746,0.446895
sgpcmbeC1.c1,2004,01 8:30:00,31 ,       0,       1,0.728584,0.439162
sgpcmbeC1.c1,2004,01 9:30:00,31 ,       0,       1,0.694892,0.450031
sgpcmbeC1.c1,2004,0110:30:00,31 ,       0,       1,0.697491,  0.4559
sgpcmbeC1.c1,2004,0111:30:00,31 ,       0,       1,0.687455,0.454759
sgpcmbeC1.c1,2004,0112:30:00,31 ,       0,       1,0.658154,0.457688
sgpcmbeC1.c1,2004,0113:30:00,31 ,       0,       1,0.594086,0.481671
sgpcmbeC1.c1,2004,0114:30:00,31 ,       0,       1,0.584946,0.476816
sgpcmbeC1.c1,2004,0115:30:00,31 ,       0,       1,0.577061,0.485213
sgpcmbeC1.c1,2004,0116:30:00,31 ,       0,       1,0.594624,0.481086
sgpcmbeC1.c1,2004,0117:30:00,31 ,       0,       1,0.572401,0.475698
sgpcmbeC1.c1,2004,0118:30:00,31 ,       0,       1,0.572133,0.455966
sgpcmbeC1.c1,2004,0119:30:00,31 ,       0,       1,0.596595, 0.45356
sgpcmbeC1.c1,2004,0120:30:00,31 ,       0,       1,0.615143,0.445824
sgpcmbeC1.c1,2004,0121:30:00,31 ,       0,       1,0.577061,0.476707
sgpcmbeC1.c1,2004,0122:30:00,31 ,       0,       1, 0.69086,0.452222
sgpcmbeC1.c1,2004,0123:30:00,31 ,       0,       1,0.663889,0.459229