datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,09 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,09 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,09 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,09 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,09 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,09 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,09 6:30:00,30 ,0.001268,       1,0.420164, 0.41307
sgpcmbeC1.c1,2001,09 7:30:00,30 ,0.001061,       1,0.400284,0.449398
sgpcmbeC1.c1,2001,09 8:30:00,30 ,0.000699,       1,0.401126,0.450209
sgpcmbeC1.c1,2001,09 9:30:00,30 ,0.001151,       1,0.423062,0.464761
sgpcmbeC1.c1,2001,0910:30:00,30 , 0.00244,       1,0.395743,0.452004
sgpcmbeC1.c1,2001,0911:30:00,30 ,0.001826,       1, 0.31731,0.397241
sgpcmbeC1.c1,2001,0912:30:00,30 ,0.001367,       1,0.336383,0.406046
sgpcmbeC1.c1,2001,0913:30:00,30 ,0.002116,       1,0.309181,0.386634
sgpcmbeC1.c1,2001,0914:30:00,30 ,0.003256,       1,0.319865,0.411108
sgpcmbeC1.c1,2001,0915:30:00,30 ,0.002248,       1,0.308158,0.405714
sgpcmbeC1.c1,2001,0916:30:00,30 ,0.003165,       1,0.294544, 0.41214
sgpcmbeC1.c1,2001,0917:30:00,30 ,0.002021,       1,0.287255,0.411315
sgpcmbeC1.c1,2001,0918:30:00,28 ,0.004083,       1,0.455999,0.367548
sgpcmbeC1.c1,2001,0919:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0920:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0921:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0922:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2001,0923:30:00,0 ,       .,       .,       .,       .