datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,04 0:30:00,30 ,0.014507,0.124984,0.039045, 0.02715
sgpcmbeC1.c1,2006,04 1:30:00,30 ,0.014798,0.169861, 0.05184,0.042514
sgpcmbeC1.c1,2006,04 2:30:00,30 ,0.014713,0.203675,0.043497,0.038726
sgpcmbeC1.c1,2006,04 3:30:00,30 ,0.014581,0.090166,  0.0347,0.018488
sgpcmbeC1.c1,2006,04 4:30:00,30 ,0.014617,0.206115,0.042965,0.038402
sgpcmbeC1.c1,2006,04 5:30:00,29 ,0.012526,0.172105,0.046218,0.035531
sgpcmbeC1.c1,2006,04 6:30:00,29 ,0.012698,0.188507,0.045607,0.041278
sgpcmbeC1.c1,2006,04 7:30:00,29 ,0.013099,0.168237, 0.04396,0.040228
sgpcmbeC1.c1,2006,04 8:30:00,29 ,0.015465,0.097916,0.041068,0.024402
sgpcmbeC1.c1,2006,04 9:30:00,29 ,0.016353, 0.19045,0.052873,0.042957
sgpcmbeC1.c1,2006,0410:30:00,29 ,0.016486,0.230296,0.062243,0.058181
sgpcmbeC1.c1,2006,0411:30:00,29 ,0.020243,0.112882,0.050992,0.027537
sgpcmbeC1.c1,2006,0412:30:00,30 ,0.018438,0.239851, 0.05757,0.043531
sgpcmbeC1.c1,2006,0413:30:00,30 ,0.018966,0.322144,0.066498,0.056719
sgpcmbeC1.c1,2006,0414:30:00,30 ,0.019559,0.162881,0.063981,0.041781
sgpcmbeC1.c1,2006,0415:30:00,30 , 0.01688,0.154415,0.056458,0.040499
sgpcmbeC1.c1,2006,0416:30:00,29 ,0.014612,0.176855,0.064456,0.043438
sgpcmbeC1.c1,2006,0417:30:00,29 ,0.015138,0.347284,0.071365,0.073651
sgpcmbeC1.c1,2006,0418:30:00,29 ,0.013896,0.131051,0.041561,0.026302
sgpcmbeC1.c1,2006,0419:30:00,29 ,0.013633,0.186293,0.044978,0.036495
sgpcmbeC1.c1,2006,0420:30:00,29 ,0.013927, 0.16614,0.052361,0.045785
sgpcmbeC1.c1,2006,0421:30:00,30 ,0.016736,0.236459,0.054013,0.052227
sgpcmbeC1.c1,2006,0422:30:00,30 ,0.012983,0.162651,0.048168,0.041214
sgpcmbeC1.c1,2006,0423:30:00,30 ,0.011603,0.217567,0.048577,0.041999