datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,09 0:30:00,25 ,1.107823,5.038065,2.705622,0.983642
sgpcmbeC1.c1,2003,09 1:30:00,25 ,1.056618,5.050326,2.715082, 0.99992
sgpcmbeC1.c1,2003,09 2:30:00,25 ,1.054012,5.050159,2.677811,0.954569
sgpcmbeC1.c1,2003,09 3:30:00,25 ,1.047901,5.145698,2.662195,0.950291
sgpcmbeC1.c1,2003,09 4:30:00,26 ,1.153655,5.002673,2.726563,0.953656
sgpcmbeC1.c1,2003,09 5:30:00,25 ,1.186249,4.708628, 2.72974,0.952139
sgpcmbeC1.c1,2003,09 6:30:00,26 ,1.157544,4.520629,2.793934,0.950638
sgpcmbeC1.c1,2003,09 7:30:00,25 ,  1.1262,4.721828,2.722977,0.925167
sgpcmbeC1.c1,2003,09 8:30:00,24 , 1.09719,4.766404,2.750704,0.941557
sgpcmbeC1.c1,2003,09 9:30:00,25 ,1.167685,4.634357,2.830851,0.937073
sgpcmbeC1.c1,2003,0910:30:00,26 , 1.21912,4.476444, 2.87661,0.949078
sgpcmbeC1.c1,2003,0911:30:00,26 ,1.208276,4.475641,2.837764,0.916868
sgpcmbeC1.c1,2003,0912:30:00,26 ,1.132711,4.297212,2.735736,0.888185
sgpcmbeC1.c1,2003,0913:30:00,26 ,1.299445,4.395206,2.762602,0.864622
sgpcmbeC1.c1,2003,0914:30:00,27 ,1.348031,4.350437,2.789882, 0.79462
sgpcmbeC1.c1,2003,0915:30:00,26 ,1.357806,4.309636, 2.75952, 0.77705
sgpcmbeC1.c1,2003,0916:30:00,27 , 1.34406,4.232508, 2.78244,0.800167
sgpcmbeC1.c1,2003,0917:30:00,27 ,1.337432, 4.18669,2.698692,0.784484
sgpcmbeC1.c1,2003,0918:30:00,26 ,1.262296,4.034797,2.635618, 0.79106
sgpcmbeC1.c1,2003,0919:30:00,26 ,1.216998,  4.1076, 2.59438,0.811548
sgpcmbeC1.c1,2003,0920:30:00,26 ,1.194966,4.222513,2.581121,0.842083
sgpcmbeC1.c1,2003,0921:30:00,26 ,1.197299,4.377483,2.583608,0.889537
sgpcmbeC1.c1,2003,0922:30:00,25 , 1.17946, 4.52116,2.536502,0.885612
sgpcmbeC1.c1,2003,0923:30:00,25 ,1.149009, 4.83645,2.547554,0.921549