datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,10 0:30:00,31 ,0.012031,0.314501,0.067924, 0.09281
sgpcmbeC1.c1,2002,10 1:30:00,31 ,0.011428, 0.42879,0.062384,0.087221
sgpcmbeC1.c1,2002,10 2:30:00,30 ,0.012347,0.243102,0.048611,0.055698
sgpcmbeC1.c1,2002,10 3:30:00,30 ,0.009518,0.220463,0.043576,0.043822
sgpcmbeC1.c1,2002,10 4:30:00,30 ,0.010356,0.250791,0.041891,0.043382
sgpcmbeC1.c1,2002,10 5:30:00,30 , 0.01127,0.292107,  0.0519,0.062663
sgpcmbeC1.c1,2002,10 6:30:00,29 ,0.011053,0.196895,0.053169,0.053601
sgpcmbeC1.c1,2002,10 7:30:00,28 ,0.012806, 0.59474, 0.08058,0.122516
sgpcmbeC1.c1,2002,10 8:30:00,28 ,0.012638,0.136658,0.039355,0.029535
sgpcmbeC1.c1,2002,10 9:30:00,28 ,0.011854,0.304361,0.050347,0.060515
sgpcmbeC1.c1,2002,1010:30:00,27 ,0.012458,0.294211,0.043475,0.055132
sgpcmbeC1.c1,2002,1011:30:00,29 ,0.011161, 0.14016,0.038839,0.027807
sgpcmbeC1.c1,2002,1012:30:00,31 ,0.014143,0.398534, 0.05791,0.080748
sgpcmbeC1.c1,2002,1013:30:00,31 ,0.013848,0.236551,0.049764,0.051013
sgpcmbeC1.c1,2002,1014:30:00,30 ,0.010475,0.162904,0.048334,0.036809
sgpcmbeC1.c1,2002,1015:30:00,30 ,0.013455, 0.40814,0.056582,0.073708
sgpcmbeC1.c1,2002,1016:30:00,30 ,0.012609,0.237742,0.048641, 0.04844
sgpcmbeC1.c1,2002,1017:30:00,30 ,0.013236,0.341461,0.046388,0.062682
sgpcmbeC1.c1,2002,1018:30:00,29 ,0.010865,0.239793, 0.04314,0.051929
sgpcmbeC1.c1,2002,1019:30:00,31 ,0.011426,0.156194,0.036472,0.034648
sgpcmbeC1.c1,2002,1020:30:00,31 ,0.010559,0.326677,   0.054,0.063818
sgpcmbeC1.c1,2002,1021:30:00,31 ,0.013515,0.397968,0.052394,0.073121
sgpcmbeC1.c1,2002,1022:30:00,31 ,0.011206, 0.35808,0.049835,0.071196
sgpcmbeC1.c1,2002,1023:30:00,31 ,0.012484,0.153365,0.043975,0.033521