datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,10 0:30:00,31 ,       0, 0.24346,0.022065,0.054517
sgpcmbeC1.c1,2006,10 1:30:00,31 ,       0,1.483705,0.094513, 0.27879
sgpcmbeC1.c1,2006,10 2:30:00,31 ,       0,1.450734,0.126354,0.358039
sgpcmbeC1.c1,2006,10 3:30:00,31 ,       0,2.157126,0.107475,0.388263
sgpcmbeC1.c1,2006,10 4:30:00,31 ,       0,0.834874,0.045865,  0.1586
sgpcmbeC1.c1,2006,10 5:30:00,31 ,       0, 2.78851,0.171392,0.550354
sgpcmbeC1.c1,2006,10 6:30:00,31 ,       0,6.902489,2.293005,2.093295
sgpcmbeC1.c1,2006,10 7:30:00,31 ,0.485793,26.89302,10.08827,5.902447
sgpcmbeC1.c1,2006,10 8:30:00,31 ,0.803062,29.16936,11.54408,6.712514
sgpcmbeC1.c1,2006,10 9:30:00,31 ,0.579918,37.49593,11.71855, 9.17264
sgpcmbeC1.c1,2006,1010:30:00,31 ,1.951382, 44.7817,13.35721,11.41503
sgpcmbeC1.c1,2006,1011:30:00,31 ,1.544022,42.09227,9.001085,10.36098
sgpcmbeC1.c1,2006,1012:30:00,31 ,0.354599,42.91474,9.383473,12.47523
sgpcmbeC1.c1,2006,1013:30:00,31 ,2.008541,48.51738,12.47659,13.40332
sgpcmbeC1.c1,2006,1014:30:00,31 ,3.219899,43.81059,12.92995,10.44746
sgpcmbeC1.c1,2006,1015:30:00,31 ,2.340537,29.72592,13.63024,7.299199
sgpcmbeC1.c1,2006,1016:30:00,31 ,0.836644,20.98362,11.66856,4.838307
sgpcmbeC1.c1,2006,1017:30:00,31 ,0.479777,16.31485, 7.49963,4.723039
sgpcmbeC1.c1,2006,1018:30:00,31 ,       0,1.643778,0.115002,0.356033
sgpcmbeC1.c1,2006,1019:30:00,31 ,       0,0.044155,0.001514, 0.00793
sgpcmbeC1.c1,2006,1020:30:00,31 ,       0,0.137821,0.005319,0.025067
sgpcmbeC1.c1,2006,1021:30:00,31 ,       0,1.056583,0.037961,0.190276
sgpcmbeC1.c1,2006,1022:30:00,31 ,       0,0.122233,0.007793,0.030169
sgpcmbeC1.c1,2006,1023:30:00,31 ,       0,0.208202,0.018473,0.051287