datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,04 0:30:00,29 ,0.011402,0.427189,0.054218, 0.07974
sgpcmbeC1.c1,2003,04 1:30:00,29 ,0.009982,0.192471,0.049206, 0.04585
sgpcmbeC1.c1,2003,04 2:30:00,29 ,0.009706,0.414263,0.056939,0.078856
sgpcmbeC1.c1,2003,04 3:30:00,27 ,0.010964,0.222833,0.038132,0.041157
sgpcmbeC1.c1,2003,04 4:30:00,28 ,0.011633,0.165992, 0.04347,0.039975
sgpcmbeC1.c1,2003,04 5:30:00,28 ,0.010027, 0.29095, 0.04704,0.054571
sgpcmbeC1.c1,2003,04 6:30:00,27 , 0.01181,0.266683,0.044116,0.050394
sgpcmbeC1.c1,2003,04 7:30:00,28 ,0.010713,0.136198,0.039943,0.037201
sgpcmbeC1.c1,2003,04 8:30:00,29 ,0.010733,0.381626,0.051757,0.070538
sgpcmbeC1.c1,2003,04 9:30:00,30 ,0.012302,0.258889,0.047813,0.053983
sgpcmbeC1.c1,2003,0410:30:00,30 ,0.012721,0.314817, 0.05178,0.059759
sgpcmbeC1.c1,2003,0411:30:00,30 ,0.014742,0.328576,0.063626,  0.0629
sgpcmbeC1.c1,2003,0412:30:00,30 ,0.015158,0.431163,0.064884,0.084648
sgpcmbeC1.c1,2003,0413:30:00,30 ,0.015813, 0.20689,0.061902,0.048394
sgpcmbeC1.c1,2003,0414:30:00,30 ,0.016825,0.234261,0.063968,0.053365
sgpcmbeC1.c1,2003,0415:30:00,30 ,0.013763,0.311961,0.064928,0.063857
sgpcmbeC1.c1,2003,0416:30:00,30 ,0.015236,0.333706,0.060699,0.064637
sgpcmbeC1.c1,2003,0417:30:00,30 ,0.015483,0.124958,0.047303,0.030177
sgpcmbeC1.c1,2003,0418:30:00,30 ,0.012914,0.218743,0.048167,0.041937
sgpcmbeC1.c1,2003,0419:30:00,29 ,0.012157,0.433336,0.049968,0.076304
sgpcmbeC1.c1,2003,0420:30:00,28 ,0.011303,0.157169, 0.04319,0.038008
sgpcmbeC1.c1,2003,0421:30:00,28 ,0.010247,0.176635,0.042163,0.037743
sgpcmbeC1.c1,2003,0422:30:00,28 , 0.01002,0.152202,0.038051,0.033308
sgpcmbeC1.c1,2003,0423:30:00,28 ,0.012587,0.160486,0.050969, 0.04449