datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,09 0:30:00,30 ,       0,1.341731,0.313394, 0.48301
sgpcmbeC1.c1,2004,09 1:30:00,30 ,       0, 1.86481,0.404515,0.646976
sgpcmbeC1.c1,2004,09 2:30:00,30 ,       0,0.913844,0.135163,0.283191
sgpcmbeC1.c1,2004,09 3:30:00,30 ,       0,1.344145,0.192252,0.410474
sgpcmbeC1.c1,2004,09 4:30:00,30 ,       0,1.450896,0.119898,0.371762
sgpcmbeC1.c1,2004,09 5:30:00,30 ,       0,1.364977,0.382358,0.518479
sgpcmbeC1.c1,2004,09 6:30:00,30 ,4.723724,45.45642,27.57426,10.08486
sgpcmbeC1.c1,2004,09 7:30:00,30 ,9.181458,81.32413,57.42452,11.84608
sgpcmbeC1.c1,2004,09 8:30:00,30 ,29.79221,153.6862,62.03964,20.06177
sgpcmbeC1.c1,2004,09 9:30:00,30 ,37.64286,214.5121,66.09597,44.00015
sgpcmbeC1.c1,2004,0910:30:00,30 ,28.88435,232.3631,58.20999,43.74928
sgpcmbeC1.c1,2004,0911:30:00,30 , 15.8412,289.0616,68.85589,74.36757
sgpcmbeC1.c1,2004,0912:30:00,30 ,2.378325,244.2816,67.81241,74.92477
sgpcmbeC1.c1,2004,0913:30:00,30 , 17.2379,329.4444, 112.474,105.4083
sgpcmbeC1.c1,2004,0914:30:00,30 ,28.92777,276.4483,107.6592,73.01108
sgpcmbeC1.c1,2004,0915:30:00,30 ,28.48062,259.3753,91.93258, 58.4594
sgpcmbeC1.c1,2004,0916:30:00,30 ,20.36031,170.7311, 75.5355,27.08483
sgpcmbeC1.c1,2004,0917:30:00,30 ,14.76625,68.98878,53.86967,12.03084
sgpcmbeC1.c1,2004,0918:30:00,30 ,4.084527, 38.1137,19.49587,11.33024
sgpcmbeC1.c1,2004,0919:30:00,30 ,       0, 1.91382,0.209191,0.511461
sgpcmbeC1.c1,2004,0920:30:00,30 ,       0,1.342551,0.044752,0.245115
sgpcmbeC1.c1,2004,0921:30:00,30 ,       0,1.234285,0.153038,0.361046
sgpcmbeC1.c1,2004,0922:30:00,30 ,       0,1.652363,0.169746,0.418594
sgpcmbeC1.c1,2004,0923:30:00,30 ,       0,1.744459,0.272148,0.539737