datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,11 0:30:00,30 ,0.271723,13.10208, 2.49207,3.109822
sgpcmbeC1.c1,2003,11 1:30:00,30 ,0.300429,30.20964,3.987282,6.926611
sgpcmbeC1.c1,2003,11 2:30:00,30 ,0.307317,18.08328,3.677434,4.289778
sgpcmbeC1.c1,2003,11 3:30:00,30 ,0.244094,36.27526,  6.1083,9.226938
sgpcmbeC1.c1,2003,11 4:30:00,30 ,0.230516,24.29957,4.289617,6.059572
sgpcmbeC1.c1,2003,11 5:30:00,30 ,0.181067,21.37994,4.047468,5.624244
sgpcmbeC1.c1,2003,11 6:30:00,30 , 0.16458,24.77227,3.795609,5.695379
sgpcmbeC1.c1,2003,11 7:30:00,30 ,0.246858,18.68095,3.613667,4.904312
sgpcmbeC1.c1,2003,11 8:30:00,30 ,0.256401,20.88979,3.802689,5.453842
sgpcmbeC1.c1,2003,11 9:30:00,30 ,0.210823,25.07881,4.023619,6.181132
sgpcmbeC1.c1,2003,1110:30:00,30 , 0.39568, 23.9951,4.143911,5.245559
sgpcmbeC1.c1,2003,1111:30:00,30 ,0.433545,20.55129,3.532514,4.630156
sgpcmbeC1.c1,2003,1112:30:00,30 , 0.32865,23.43167,4.064801,5.430572
sgpcmbeC1.c1,2003,1113:30:00,30 ,0.291949,20.72031, 3.87319,4.755628
sgpcmbeC1.c1,2003,1114:30:00,30 ,0.519083,20.20834,3.323631,4.107921
sgpcmbeC1.c1,2003,1115:30:00,30 ,0.302856,22.27903,2.972115,4.180574
sgpcmbeC1.c1,2003,1116:30:00,30 ,0.328404,21.39709,3.810992,4.707915
sgpcmbeC1.c1,2003,1117:30:00,30 ,0.524798,9.554442,2.648414, 2.39161
sgpcmbeC1.c1,2003,1118:30:00,30 ,0.204066,30.95859, 4.72237,6.868683
sgpcmbeC1.c1,2003,1119:30:00,30 ,0.353569,15.74482,3.752705,4.550725
sgpcmbeC1.c1,2003,1120:30:00,30 , 0.23991,20.07496,3.438047, 5.30968
sgpcmbeC1.c1,2003,1121:30:00,30 ,0.269151,7.626293,1.792306,2.043562
sgpcmbeC1.c1,2003,1122:30:00,30 ,0.279572,21.24419,3.000387,4.488691
sgpcmbeC1.c1,2003,1123:30:00,30 ,0.259504,20.14672,2.601839,3.899462