datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,09 0:30:00,26 ,0.015102,0.180806,0.057858,0.046602
sgpcmbeC1.c1,1997,09 1:30:00,26 ,0.017364, 0.14481,0.053967,0.037053
sgpcmbeC1.c1,1997,09 2:30:00,26 ,0.012643,0.226651,0.057484,0.049297
sgpcmbeC1.c1,1997,09 3:30:00,26 ,0.016049,0.408556,0.077436,0.083015
sgpcmbeC1.c1,1997,09 4:30:00,25 ,0.014359,0.372807,0.086425,0.098107
sgpcmbeC1.c1,1997,09 5:30:00,26 ,0.013411, 0.38907,0.059834, 0.07142
sgpcmbeC1.c1,1997,09 6:30:00,26 ,0.015112,0.187965,0.057966,0.045452
sgpcmbeC1.c1,1997,09 7:30:00,26 ,0.017076,0.147723,0.044542,0.029164
sgpcmbeC1.c1,1997,09 8:30:00,26 ,0.013686,0.138592,0.047558,0.033589
sgpcmbeC1.c1,1997,09 9:30:00,26 ,0.016664,0.150973,0.053309,0.036831
sgpcmbeC1.c1,1997,0910:30:00,26 ,0.023665,0.130573,0.046508,0.026309
sgpcmbeC1.c1,1997,0911:30:00,27 ,0.019139,0.363075,0.085975,0.096707
sgpcmbeC1.c1,1997,0912:30:00,26 ,0.015535,0.107008,0.050782,0.024723
sgpcmbeC1.c1,1997,0913:30:00,24 ,0.022245,0.169522,0.051915,0.033451
sgpcmbeC1.c1,1997,0914:30:00,24 ,0.020076,0.201829,0.055017,0.037199
sgpcmbeC1.c1,1997,0915:30:00,23 ,0.015946,0.179918,0.062736,0.048193
sgpcmbeC1.c1,1997,0916:30:00,25 ,0.016559,0.400778,0.084884,0.093977
sgpcmbeC1.c1,1997,0917:30:00,27 ,0.017362,0.255626,  0.0578, 0.05525
sgpcmbeC1.c1,1997,0918:30:00,27 ,0.016846,0.089393,0.040961,0.019478
sgpcmbeC1.c1,1997,0919:30:00,27 ,0.015707,0.084074,0.042274,0.019733
sgpcmbeC1.c1,1997,0920:30:00,26 ,0.016677,0.179258,0.052116,0.035674
sgpcmbeC1.c1,1997,0921:30:00,26 ,0.018918,0.092457,0.049849,0.021835
sgpcmbeC1.c1,1997,0922:30:00,26 ,0.015342,0.126133,0.043785,0.026632
sgpcmbeC1.c1,1997,0923:30:00,26 ,0.018078,0.106591,0.041097,0.027382