datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,08 0:30:00,31 ,       0,2.893086,1.449746, 0.83238
sgpcmbeC1.c1,2005,08 1:30:00,30 ,       0,3.055297,1.548463,0.725751
sgpcmbeC1.c1,2005,08 2:30:00,31 ,       0,3.291729,1.582305,0.852652
sgpcmbeC1.c1,2005,08 3:30:00,31 ,       0,3.093331,1.577809,0.845482
sgpcmbeC1.c1,2005,08 4:30:00,31 ,       0,2.926142,1.574249,0.815581
sgpcmbeC1.c1,2005,08 5:30:00,31 ,0.002923,2.927705,1.164966,0.654588
sgpcmbeC1.c1,2005,08 6:30:00,31 ,0.057789,51.45193,20.76181,16.87779
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 ,0.715515,710.8339,380.2199,271.2111
sgpcmbeC1.c1,2005,0815:30:00,31 ,0.099314,572.7819,330.6663,214.6545
sgpcmbeC1.c1,2005,0816:30:00,31 ,0.084534,398.7911, 198.784,166.3365
sgpcmbeC1.c1,2005,0817:30:00,31 ,0.007179,218.5544,102.3924,91.37897
sgpcmbeC1.c1,2005,0818:30:00,31 ,       0,70.97925,27.98856,24.31855
sgpcmbeC1.c1,2005,0819:30:00,31 ,       0, 3.49015,  1.3656,0.873243
sgpcmbeC1.c1,2005,0820:30:00,31 ,       0,2.954911,1.435571,0.842347
sgpcmbeC1.c1,2005,0821:30:00,31 ,       0,2.955783, 1.55497, 0.94471
sgpcmbeC1.c1,2005,0822:30:00,31 ,       0,3.072871,1.569041,0.897466
sgpcmbeC1.c1,2005,0823:30:00,31 ,       0,2.964751,1.633207,0.831379