datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,08 0:30:00,31 ,       0,0.207371,0.029356,0.064195
sgpcmbeC1.c1,2005,08 1:30:00,30 ,       0,1.964793,0.104153,0.359162
sgpcmbeC1.c1,2005,08 2:30:00,31 ,       0,2.841184,0.100324,0.509213
sgpcmbeC1.c1,2005,08 3:30:00,31 ,       0,2.122372,0.091597,0.390283
sgpcmbeC1.c1,2005,08 4:30:00,31 ,       0,1.288117,0.060661,0.249131
sgpcmbeC1.c1,2005,08 5:30:00,31 ,       0,2.168447, 0.15592,0.395093
sgpcmbeC1.c1,2005,08 6:30:00,31 ,0.000761,51.45193, 20.7136,16.90335
sgpcmbeC1.c1,2005,08 7:30:00,31 ,0.000563,206.3297,111.8036,66.85088
sgpcmbeC1.c1,2005,08 8:30:00,31 ,0.174168,386.4632,221.0295,151.3941
sgpcmbeC1.c1,2005,08 9:30:00,31 ,0.409653,560.2967,342.5821,206.3201
sgpcmbeC1.c1,2005,0810:30:00,31 , 0.31884,691.5882,410.1936,264.2573
sgpcmbeC1.c1,2005,0811:30:00,31 , 0.06414,799.1032,468.4626,274.0678
sgpcmbeC1.c1,2005,0812:30:00,31 ,1.209198,832.8751,480.0665,295.9332
sgpcmbeC1.c1,2005,0813:30:00,31 ,0.961304,801.5143,446.8834,290.8558
sgpcmbeC1.c1,2005,0814:30:00,31 ,0.715515,710.8339,380.2184,271.2133
sgpcmbeC1.c1,2005,0815:30:00,31 ,0.049655,572.7819,330.6647,214.6571
sgpcmbeC1.c1,2005,0816:30:00,31 ,0.078485,398.7911,198.7496,166.3788
sgpcmbeC1.c1,2005,0817:30:00,31 ,       0,218.5544,102.3171,91.46564
sgpcmbeC1.c1,2005,0818:30:00,31 ,       0,70.97925,27.90341,24.40487
sgpcmbeC1.c1,2005,0819:30:00,31 ,       0,2.657959,0.543159, 0.70121
sgpcmbeC1.c1,2005,0820:30:00,31 ,       0,1.572689,0.051239,0.282376
sgpcmbeC1.c1,2005,0821:30:00,31 ,       0,1.278352,0.061351,0.235673
sgpcmbeC1.c1,2005,0822:30:00,31 ,       0,2.730672, 0.11609,0.496139
sgpcmbeC1.c1,2005,0823:30:00,31 ,       0,1.336754,0.070858,0.244259