datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,09 0:30:00,30 ,0.594079,6.865089,2.124289,1.751709
sgpcmbeC1.c1,2006,09 1:30:00,30 ,0.350164,7.569373,2.154075,1.653779
sgpcmbeC1.c1,2006,09 2:30:00,30 ,0.446622,15.83049, 2.43644,3.003643
sgpcmbeC1.c1,2006,09 3:30:00,30 ,0.531155,5.916234,2.095374,1.313809
sgpcmbeC1.c1,2006,09 4:30:00,30 ,0.455352,6.551035,1.999224,1.314488
sgpcmbeC1.c1,2006,09 5:30:00,30 ,0.182119,5.332989,1.644989, 1.18251
sgpcmbeC1.c1,2006,09 6:30:00,30 ,0.851569,8.366711,3.375613,2.015783
sgpcmbeC1.c1,2006,09 7:30:00,30 , 0.60126,  12.708,6.752964,3.416708
sgpcmbeC1.c1,2006,09 8:30:00,30 ,0.530814,17.13841,9.028259,4.814988
sgpcmbeC1.c1,2006,09 9:30:00,30 ,1.252847, 16.1305,8.417509,3.849831
sgpcmbeC1.c1,2006,0910:30:00,30 ,1.739372,15.09238,7.313895,2.697945
sgpcmbeC1.c1,2006,0911:30:00,30 , 2.14686,15.02893,7.086744,2.897822
sgpcmbeC1.c1,2006,0912:30:00,30 ,2.723605,34.21027,7.826659,5.911908
sgpcmbeC1.c1,2006,0913:30:00,30 ,2.176611,17.22219,6.847522,3.530939
sgpcmbeC1.c1,2006,0914:30:00,30 ,2.200344,23.56161,8.315221, 4.82446
sgpcmbeC1.c1,2006,0915:30:00,30 ,2.639248,16.87132,8.035986,3.552782
sgpcmbeC1.c1,2006,0916:30:00,30 ,1.159566,11.76155, 7.13042,2.816649
sgpcmbeC1.c1,2006,0917:30:00,30 ,2.566329,19.88495,8.203216,4.070801
sgpcmbeC1.c1,2006,0918:30:00,30 ,1.958226,14.67951,6.567541,3.192513
sgpcmbeC1.c1,2006,0919:30:00,30 ,0.659906,5.840912,3.378203,1.549977
sgpcmbeC1.c1,2006,0920:30:00,30 ,0.602043,9.009103,2.234255,1.673674
sgpcmbeC1.c1,2006,0921:30:00,30 ,0.480701,6.732019,2.610649,1.564611
sgpcmbeC1.c1,2006,0922:30:00,30 ,0.390212,5.273972,1.665442,1.082885
sgpcmbeC1.c1,2006,0923:30:00,30 ,0.447132,5.597652,1.825774,1.232657