datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,09 0:30:00,30 ,0.354839,16.31622,2.746208,3.164803
sgpcmbeC1.c1,2002,09 1:30:00,30 ,0.489333,18.62356,3.247309,4.024261
sgpcmbeC1.c1,2002,09 2:30:00,30 ,0.388877, 9.82476,2.453956,2.336755
sgpcmbeC1.c1,2002,09 3:30:00,30 ,0.424153,9.150208, 2.67525,2.506566
sgpcmbeC1.c1,2002,09 4:30:00,30 ,0.290551,7.370076, 1.82178,1.926887
sgpcmbeC1.c1,2002,09 5:30:00,30 ,0.317367,13.29529,2.127742, 3.25201
sgpcmbeC1.c1,2002,09 6:30:00,30 ,0.257968,15.88858,2.573507,3.767892
sgpcmbeC1.c1,2002,09 7:30:00,30 ,0.427943,19.04526,3.867679,4.418798
sgpcmbeC1.c1,2002,09 8:30:00,30 ,0.661512,14.08581,4.017127,3.482027
sgpcmbeC1.c1,2002,09 9:30:00,30 , 0.85592,13.52006,3.763157,2.813336
sgpcmbeC1.c1,2002,0910:30:00,30 ,1.214106,16.05021, 3.70596,  3.5109
sgpcmbeC1.c1,2002,0911:30:00,30 ,1.032784,15.82171,3.618495,3.190453
sgpcmbeC1.c1,2002,0912:30:00,30 ,0.995094, 15.2233,3.223247,2.943762
sgpcmbeC1.c1,2002,0913:30:00,30 ,0.982602,5.176034,2.497911,1.309041
sgpcmbeC1.c1,2002,0914:30:00,30 ,0.766383,10.46407, 2.66525,2.339145
sgpcmbeC1.c1,2002,0915:30:00,30 ,0.622739,8.972979,2.434003,2.209534
sgpcmbeC1.c1,2002,0916:30:00,30 ,0.568326,10.00713,2.259306,1.933381
sgpcmbeC1.c1,2002,0917:30:00,30 ,0.679086, 12.8231,3.081906, 2.78864
sgpcmbeC1.c1,2002,0918:30:00,30 ,0.990248,7.719569,3.186744,1.786869
sgpcmbeC1.c1,2002,0919:30:00,30 ,0.558238,10.00036,2.490594,2.616562
sgpcmbeC1.c1,2002,0920:30:00,30 ,0.479256,14.35152,3.331977,3.907941
sgpcmbeC1.c1,2002,0921:30:00,30 ,0.373467,  12.794,2.882817,3.299904
sgpcmbeC1.c1,2002,0922:30:00,30 ,0.369557,11.32675,2.806693,2.944336
sgpcmbeC1.c1,2002,0923:30:00,30 ,0.378455,11.17451, 2.07971,2.295247