datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,08 0:30:00,31 ,       0,0.138456,0.012885,0.033423
sgpcmbeC1.c1,2002,08 1:30:00,31 ,       0,0.604843, 0.04736, 0.12061
sgpcmbeC1.c1,2002,08 2:30:00,31 ,       0,1.452008,0.055389,0.263234
sgpcmbeC1.c1,2002,08 3:30:00,31 ,       0,0.558503,0.023139, 0.10086
sgpcmbeC1.c1,2002,08 4:30:00,31 ,       0,0.188806,0.014681,0.045807
sgpcmbeC1.c1,2002,08 5:30:00,31 ,       0,4.829397,1.438189, 1.36364
sgpcmbeC1.c1,2002,08 6:30:00,31 ,0.349303,98.72585,56.41815,28.09021
sgpcmbeC1.c1,2002,08 7:30:00,31 ,1.421488,303.0503, 206.408,88.61064
sgpcmbeC1.c1,2002,08 8:30:00,31 ,3.825051,513.1913,369.2781,150.4892
sgpcmbeC1.c1,2002,08 9:30:00,31 ,10.36141,702.7443,506.7827,204.2194
sgpcmbeC1.c1,2002,0810:30:00,31 ,32.71879,848.3623,661.5966, 221.024
sgpcmbeC1.c1,2002,0811:30:00,31 , 52.1045,937.6104,747.5274,232.6029
sgpcmbeC1.c1,2002,0812:30:00,31 ,105.4855, 973.198,745.3278,246.5506
sgpcmbeC1.c1,2002,0813:30:00,31 ,123.4868,945.5734,783.6467,177.1559
sgpcmbeC1.c1,2002,0814:30:00,31 ,38.31608,856.4366,697.8431,177.3677
sgpcmbeC1.c1,2002,0815:30:00,31 ,17.05408,716.4589,582.4908,164.6384
sgpcmbeC1.c1,2002,0816:30:00,31 ,38.90429,559.9641,413.9741,120.9111
sgpcmbeC1.c1,2002,0817:30:00,31 ,31.44974,324.2265,236.3535,80.83606
sgpcmbeC1.c1,2002,0818:30:00,31 ,35.23784, 132.126,80.27999,30.13393
sgpcmbeC1.c1,2002,0819:30:00,31 ,0.438168,17.66766, 4.83395,4.784835
sgpcmbeC1.c1,2002,0820:30:00,31 ,       0,0.945384,0.082044,0.198147
sgpcmbeC1.c1,2002,0821:30:00,31 ,       0,1.116238,0.048489,0.201094
sgpcmbeC1.c1,2002,0822:30:00,31 ,       0,1.003704,0.063096,0.206373
sgpcmbeC1.c1,2002,0823:30:00,31 ,       0,0.256708,0.025293,0.068229