datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,08 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,08 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,08 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,08 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,08 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,08 5:30:00,31 ,       0,4.599141,1.239934,1.363331
sgpcmbeC1.c1,2002,08 6:30:00,31 ,       0,98.72585,56.36891,28.17795
sgpcmbeC1.c1,2002,08 7:30:00,31 ,       0,303.0503,206.3428,88.76442
sgpcmbeC1.c1,2002,08 8:30:00,31 ,2.897759,513.1913,369.2311,150.6065
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 ,51.96534,937.6104,747.5229,232.6168
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, 132.126,80.26797,30.15043
sgpcmbeC1.c1,2002,0819:30:00,31 ,       0,17.26333,4.451596,4.845091
sgpcmbeC1.c1,2002,0820:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,0821:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,0822:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,0823:30:00,31 ,       0,       0,       0,       0