datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,10 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 5:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 6:30:00,31 ,       0,10.89144,5.610782,3.296641
sgpcmbeC1.c1,2007,10 7:30:00,31 ,2.062961,43.42446,15.39122,10.48005
sgpcmbeC1.c1,2007,10 8:30:00,31 ,2.835094,62.35867,15.85764,16.83593
sgpcmbeC1.c1,2007,10 9:30:00,31 ,1.472992,73.15764,16.23976,20.71986
sgpcmbeC1.c1,2007,1010:30:00,31 ,0.892225,70.09377,16.20519,21.57716
sgpcmbeC1.c1,2007,1011:30:00,31 ,0.358415,77.17373,16.27075,24.77709
sgpcmbeC1.c1,2007,1012:30:00,31 ,0.256392,132.7342,23.42773,33.26912
sgpcmbeC1.c1,2007,1013:30:00,31 ,0.550236,99.64494,21.50358,30.24263
sgpcmbeC1.c1,2007,1014:30:00,31 ,1.250921,112.8352,19.15785,27.63641
sgpcmbeC1.c1,2007,1015:30:00,31 ,1.838792,70.20229,18.11482,18.15707
sgpcmbeC1.c1,2007,1016:30:00,31 ,3.962072,56.63752,16.68658,14.69891
sgpcmbeC1.c1,2007,1017:30:00,31 ,       0,35.02021,14.23509, 6.45909
sgpcmbeC1.c1,2007,1018:30:00,31 ,       0, 4.14281,0.589228,1.118846
sgpcmbeC1.c1,2007,1019:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,1020:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,1021:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,1022:30:00,31 ,       0,0.392232,0.012653,0.070447
sgpcmbeC1.c1,2007,1023:30:00,31 ,       0,       0,       0,       0