datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,10 0:30:00,25 ,       0,3.234054,1.320258,1.254844
sgpcmbeC1.c1,2005,10 1:30:00,21 ,       0,3.341576,1.201329,1.215466
sgpcmbeC1.c1,2005,10 2:30:00,23 ,       0,3.348039,1.139022,1.241625
sgpcmbeC1.c1,2005,10 3:30:00,24 ,       0,3.177396,0.993444,1.154378
sgpcmbeC1.c1,2005,10 4:30:00,25 ,       0,3.523482,1.189366, 1.24081
sgpcmbeC1.c1,2005,10 5:30:00,22 ,       0,3.109656,0.871644,1.065834
sgpcmbeC1.c1,2005,10 6:30:00,31 ,0.005197,4.657804,1.397657,1.248117
sgpcmbeC1.c1,2005,10 7:30:00,31 ,0.023705,  110.29,37.79936,35.23856
sgpcmbeC1.c1,2005,10 8:30:00,31 , 0.07967,295.0673,128.7101,113.5874
sgpcmbeC1.c1,2005,10 9:30:00,31 ,0.039783,464.2337,223.5867,187.0656
sgpcmbeC1.c1,2005,1010:30:00,31 ,0.068192,597.8679,306.7526,232.3955
sgpcmbeC1.c1,2005,1011:30:00,31 , 0.19677,674.2632,373.0506,268.1899
sgpcmbeC1.c1,2005,1012:30:00,31 ,0.418137,702.3865,362.9996,275.7218
sgpcmbeC1.c1,2005,1013:30:00,31 ,0.205948,656.7693,360.6794,233.0663
sgpcmbeC1.c1,2005,1014:30:00,31 ,0.024597,553.6627,309.2369,182.2939
sgpcmbeC1.c1,2005,1015:30:00,31 ,0.003681,404.3606,218.6313,129.9922
sgpcmbeC1.c1,2005,1016:30:00,31 ,       0,223.3834,110.9391,70.00694
sgpcmbeC1.c1,2005,1017:30:00,31 ,0.158185,52.97843,16.21661,15.41121
sgpcmbeC1.c1,2005,1018:30:00,23 ,0.000132,3.912379,1.696538,1.340653
sgpcmbeC1.c1,2005,1019:30:00,23 ,0.025922,2.983133,1.569791,1.085421
sgpcmbeC1.c1,2005,1020:30:00,21 ,0.016131,2.669281,1.082693,0.955779
sgpcmbeC1.c1,2005,1021:30:00,24 ,       0, 3.17394,1.332685,1.194693
sgpcmbeC1.c1,2005,1022:30:00,21 ,       0, 3.07637,1.148556, 1.08826
sgpcmbeC1.c1,2005,1023:30:00,22 ,       0,3.151742,1.364923,1.077685