datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,10 0:30:00,22 ,1.300808,4.490227,2.584428,0.990233
sgpcmbeC1.c1,1998,10 1:30:00,22 ,1.308406,4.587655,2.596812,1.019408
sgpcmbeC1.c1,1998,10 2:30:00,22 ,1.263233,4.845211,2.636782,1.102054
sgpcmbeC1.c1,1998,10 3:30:00,21 ,1.289499,4.724102,2.544685,1.037898
sgpcmbeC1.c1,1998,10 4:30:00,21 , 1.23568,4.478389,2.552266,1.029451
sgpcmbeC1.c1,1998,10 5:30:00,22 ,1.323044,5.120193,2.662306, 1.14171
sgpcmbeC1.c1,1998,10 6:30:00,22 ,1.330665,4.407557,2.627463,1.058146
sgpcmbeC1.c1,1998,10 7:30:00,21 , 1.33021,4.070897,2.540743,0.997658
sgpcmbeC1.c1,1998,10 8:30:00,22 ,1.257269, 4.70065,2.608963,1.053986
sgpcmbeC1.c1,1998,10 9:30:00,24 ,1.164605,5.344556,2.660117,1.194361
sgpcmbeC1.c1,1998,1010:30:00,23 ,1.123722,4.713052,2.580458,1.132616
sgpcmbeC1.c1,1998,1011:30:00,23 ,1.169747,4.763002, 2.53756,1.075399
sgpcmbeC1.c1,1998,1012:30:00,24 ,1.084979,4.849288,2.456423,1.047466
sgpcmbeC1.c1,1998,1013:30:00,22 ,1.162576,4.521729,2.421513,0.900858
sgpcmbeC1.c1,1998,1014:30:00,22 ,1.101369,4.322553, 2.42219,0.898645
sgpcmbeC1.c1,1998,1015:30:00,23 ,1.076121,5.087867,2.567928,1.067347
sgpcmbeC1.c1,1998,1016:30:00,23 ,1.085373,4.804632,2.616265,1.118111
sgpcmbeC1.c1,1998,1017:30:00,22 ,1.150574,4.833938,2.517717,1.049624
sgpcmbeC1.c1,1998,1018:30:00,22 ,1.084371,4.405408,2.535699,1.005864
sgpcmbeC1.c1,1998,1019:30:00,22 ,1.205848,4.529852,2.576048,0.987366
sgpcmbeC1.c1,1998,1020:30:00,22 , 1.32134,4.594079,2.621054,1.016275
sgpcmbeC1.c1,1998,1021:30:00,21 ,1.385379,4.247493,2.462244,0.816525
sgpcmbeC1.c1,1998,1022:30:00,20 ,1.462071,3.440714,2.383092,0.704105
sgpcmbeC1.c1,1998,1023:30:00,21 ,1.291851,4.273111,2.461637,  0.8467