datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,09 0:30:00,30 ,       0,       1,0.372315,0.431844
sgpcmbeC1.c1,2005,09 1:30:00,30 ,       0,       1,0.372963,0.453763
sgpcmbeC1.c1,2005,09 2:30:00,30 ,       0,       1,0.407222,0.453372
sgpcmbeC1.c1,2005,09 3:30:00,30 ,       0,       1,0.456574,0.429659
sgpcmbeC1.c1,2005,09 4:30:00,30 ,       0,       1,0.557222,0.449788
sgpcmbeC1.c1,2005,09 5:30:00,30 ,       0,       1,0.508333,0.447833
sgpcmbeC1.c1,2005,09 6:30:00,30 ,       0,       1,0.531204,0.447624
sgpcmbeC1.c1,2005,09 7:30:00,30 ,       0,       1,0.473796,0.427282
sgpcmbeC1.c1,2005,09 8:30:00,30 ,       0,       1,0.525833,0.425764
sgpcmbeC1.c1,2005,09 9:30:00,30 ,       0,       1,0.539444,0.412458
sgpcmbeC1.c1,2005,0910:30:00,30 ,       0,       1, 0.51463,0.397713
sgpcmbeC1.c1,2005,0911:30:00,30 ,       0,       1,0.458796,0.410875
sgpcmbeC1.c1,2005,0912:30:00,30 ,       0,       1, 0.47963,0.431509
sgpcmbeC1.c1,2005,0913:30:00,30 ,       0,       1,0.409815,0.436959
sgpcmbeC1.c1,2005,0914:30:00,30 ,       0,       1,0.391019,0.430737
sgpcmbeC1.c1,2005,0915:30:00,30 ,       0,       1,0.397685,0.438188
sgpcmbeC1.c1,2005,0916:30:00,30 ,       0,       1,0.386019,0.429502
sgpcmbeC1.c1,2005,0917:30:00,30 ,       0,       1,0.333333,0.425391
sgpcmbeC1.c1,2005,0918:30:00,30 ,       0,       1,0.371552,0.433459
sgpcmbeC1.c1,2005,0919:30:00,30 ,       0,       1,0.366111,0.449252
sgpcmbeC1.c1,2005,0920:30:00,30 ,       0,       1,0.366574,0.440298
sgpcmbeC1.c1,2005,0921:30:00,30 ,       0,       1,0.394907, 0.44867
sgpcmbeC1.c1,2005,0922:30:00,30 ,       0,       1,0.345926,0.442108
sgpcmbeC1.c1,2005,0923:30:00,30 ,       0,       1,0.333796,   0.431