datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,12 0:30:00,20 ,0.323057,2.240108,0.894857,0.526523
sgpcmbeC1.c1,2001,12 1:30:00,18 ,0.472896,2.020032,0.942463,0.481645
sgpcmbeC1.c1,2001,12 2:30:00,18 ,0.455694,1.921033,0.937009,0.461392
sgpcmbeC1.c1,2001,12 3:30:00,18 ,0.442844,2.020143,0.952266,0.471127
sgpcmbeC1.c1,2001,12 4:30:00,18 ,0.402014,2.012961,0.953214,0.471285
sgpcmbeC1.c1,2001,12 5:30:00,18 ,0.386793,1.870123,0.950578,0.476335
sgpcmbeC1.c1,2001,12 6:30:00,18 ,0.399035,1.950514,0.959771,0.502008
sgpcmbeC1.c1,2001,12 7:30:00,18 ,0.374202,2.184929,0.986117,0.555459
sgpcmbeC1.c1,2001,12 8:30:00,19 ,0.204782,2.413631,1.056195,0.660097
sgpcmbeC1.c1,2001,12 9:30:00,24 ,0.195053,2.554471,0.974545,0.653918
sgpcmbeC1.c1,2001,1210:30:00,24 ,0.211567,2.661218,0.980815,0.650051
sgpcmbeC1.c1,2001,1211:30:00,24 ,0.235304,2.820807,1.006773,0.667087
sgpcmbeC1.c1,2001,1212:30:00,24 ,0.261814,2.900977,1.025143,0.660734
sgpcmbeC1.c1,2001,1213:30:00,24 ,0.265094,2.810638,1.062157,0.663641
sgpcmbeC1.c1,2001,1214:30:00,24 ,0.274169,  2.7439,1.118772,0.692642
sgpcmbeC1.c1,2001,1215:30:00,24 , 0.26201,2.851368,1.167645, 0.72944
sgpcmbeC1.c1,2001,1216:30:00,24 ,0.261394, 3.17356,1.170546,0.764886
sgpcmbeC1.c1,2001,1217:30:00,24 ,0.289749, 3.42772,1.164509,0.762397
sgpcmbeC1.c1,2001,1218:30:00,22 ,0.332012, 2.45047,0.941676,0.519557
sgpcmbeC1.c1,2001,1219:30:00,21 ,0.358545,2.686805,0.956415, 0.57201
sgpcmbeC1.c1,2001,1220:30:00,21 ,0.371105,2.308099,0.938591,0.516021
sgpcmbeC1.c1,2001,1221:30:00,21 ,0.355393,2.282025,0.927068,0.507963
sgpcmbeC1.c1,2001,1222:30:00,20 ,0.344354,2.429668,0.904105,0.535598
sgpcmbeC1.c1,2001,1223:30:00,20 ,0.319142,2.565293,0.908319,0.575375