datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,01 0:30:00,24 ,       0,107.7368,12.39067,25.93326
sgpcmbeC1.c1,2006,01 1:30:00,24 ,       0,61.92972,8.531797,15.42091
sgpcmbeC1.c1,2006,01 2:30:00,23 ,       0,97.45663,8.035777,21.19206
sgpcmbeC1.c1,2006,01 3:30:00,23 ,       0,115.0624,9.981385, 27.3719
sgpcmbeC1.c1,2006,01 4:30:00,23 ,       0,110.0229,8.056395,23.36758
sgpcmbeC1.c1,2006,01 5:30:00,23 ,       0, 195.316,11.23161,40.66004
sgpcmbeC1.c1,2006,01 6:30:00,23 ,       0,30.79868,2.823592,6.472819
sgpcmbeC1.c1,2006,01 7:30:00,23 ,       0,21.63606,3.140947,5.995518
sgpcmbeC1.c1,2006,01 8:30:00,23 ,       0,17.84666,3.014162,5.483278
sgpcmbeC1.c1,2006,01 9:30:00,25 ,       0,23.04863,2.555086,5.339598
sgpcmbeC1.c1,2006,0110:30:00,25 ,       0,23.36479,2.939887,5.795116
sgpcmbeC1.c1,2006,0111:30:00,25 ,       0,56.51774,5.241417,12.97609
sgpcmbeC1.c1,2006,0112:30:00,25 ,       0,112.2145,8.133838,24.13383
sgpcmbeC1.c1,2006,0113:30:00,24 ,       0,138.5853,9.815149,29.89249
sgpcmbeC1.c1,2006,0114:30:00,24 ,       0,49.34305,6.203409,12.79105
sgpcmbeC1.c1,2006,0115:30:00,24 ,       0,46.29735,3.823469,9.525319
sgpcmbeC1.c1,2006,0116:30:00,24 ,       0,25.24533,3.291714,6.172644
sgpcmbeC1.c1,2006,0117:30:00,24 ,       0,21.91142,3.138392,5.292087
sgpcmbeC1.c1,2006,0118:30:00,24 ,       0,31.59504, 4.71251,8.423642
sgpcmbeC1.c1,2006,0119:30:00,24 ,       0,94.66987, 11.3166,24.20439
sgpcmbeC1.c1,2006,0120:30:00,24 ,       0,109.1374,11.03625,26.64142
sgpcmbeC1.c1,2006,0121:30:00,24 ,       0,169.8329,15.26048,40.36426
sgpcmbeC1.c1,2006,0122:30:00,24 ,       0,183.6491,18.61047,50.27124
sgpcmbeC1.c1,2006,0123:30:00,24 ,0.041614,177.6905,14.61241,37.56479