datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,09 0:30:00,30 ,       0,       1,0.477407,0.434356
sgpcmbeC1.c1,2007,09 1:30:00,30 ,       0,       1,0.373241, 0.43521
sgpcmbeC1.c1,2007,09 2:30:00,30 ,       0,       1,0.399352,0.438071
sgpcmbeC1.c1,2007,09 3:30:00,30 ,       0,       1,0.460093,0.420864
sgpcmbeC1.c1,2007,09 4:30:00,30 ,       0,       1,0.503241,0.439658
sgpcmbeC1.c1,2007,09 5:30:00,30 ,       0,       1,0.498241,0.390376
sgpcmbeC1.c1,2007,09 6:30:00,30 ,       0,       1,0.465278,0.416067
sgpcmbeC1.c1,2007,09 7:30:00,30 ,       0,       1,0.481296, 0.43027
sgpcmbeC1.c1,2007,09 8:30:00,30 ,       0,       1,0.500093, 0.44593
sgpcmbeC1.c1,2007,09 9:30:00,30 ,       0,       1,0.524537,0.462663
sgpcmbeC1.c1,2007,0910:30:00,30 ,       0,       1, 0.53537,0.468038
sgpcmbeC1.c1,2007,0911:30:00,30 ,       0,       1,    0.55,0.424163
sgpcmbeC1.c1,2007,0912:30:00,30 ,       0,       1,0.588333,0.423004
sgpcmbeC1.c1,2007,0913:30:00,30 ,       0,       1,0.562407,0.431534
sgpcmbeC1.c1,2007,0914:30:00,30 ,       0,       1,0.574352,0.421887
sgpcmbeC1.c1,2007,0915:30:00,30 ,       0,       1,0.446296,0.406274
sgpcmbeC1.c1,2007,0916:30:00,30 ,       0,       1,0.402778,0.417593
sgpcmbeC1.c1,2007,0917:30:00,30 ,       0,       1, 0.42213,0.429375
sgpcmbeC1.c1,2007,0918:30:00,29 ,       0,       1,0.527875,0.451029
sgpcmbeC1.c1,2007,0919:30:00,29 ,       0,       1,0.508716,0.449121
sgpcmbeC1.c1,2007,0920:30:00,29 ,       0,       1,0.455939,0.447015
sgpcmbeC1.c1,2007,0921:30:00,29 ,       0,       1,0.518391,0.435671
sgpcmbeC1.c1,2007,0922:30:00,29 ,       0,       1,0.490134,0.431601
sgpcmbeC1.c1,2007,0923:30:00,29 ,       0,       1,0.543678,0.462519