datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,04 0:30:00,30 ,       0,1.134047,0.213434,0.276947
sgpcmbeC1.c1,1998,04 1:30:00,30 ,       0,1.180594,0.237908,0.306324
sgpcmbeC1.c1,1998,04 2:30:00,30 ,       0,1.247885,0.238966,0.306877
sgpcmbeC1.c1,1998,04 3:30:00,30 ,       0,1.556982,0.205793,0.342037
sgpcmbeC1.c1,1998,04 4:30:00,30 ,       0,0.992485,0.124263,0.249797
sgpcmbeC1.c1,1998,04 5:30:00,30 ,       0, 1.41955,0.397563,0.324502
sgpcmbeC1.c1,1998,04 6:30:00,30 ,0.020998,53.69428,20.33317,17.73047
sgpcmbeC1.c1,1998,04 7:30:00,30 ,0.018694,221.5617,114.7708,82.29215
sgpcmbeC1.c1,1998,04 8:30:00,30 ,0.212456,410.8748,224.7764,169.4414
sgpcmbeC1.c1,1998,04 9:30:00,30 ,0.308723,587.4822,327.6877,254.7877
sgpcmbeC1.c1,1998,0410:30:00,30 ,       0,731.9604,443.2744,298.3707
sgpcmbeC1.c1,1998,0411:30:00,30 ,0.233627,827.9058,510.4726,328.1665
sgpcmbeC1.c1,1998,0412:30:00,30 ,0.036171,857.0809,507.5829,343.0463
sgpcmbeC1.c1,1998,0413:30:00,30 ,0.015289,821.0184,515.2199,330.4508
sgpcmbeC1.c1,1998,0414:30:00,30 ,0.097145,750.4217,421.6285,296.2697
sgpcmbeC1.c1,1998,0415:30:00,30 ,0.098785, 589.967,343.0615,238.1751
sgpcmbeC1.c1,1998,0416:30:00,30 ,0.004326,423.4592,239.2176,158.4307
sgpcmbeC1.c1,1998,0417:30:00,30 ,0.002155,222.6653,123.1636,77.72122
sgpcmbeC1.c1,1998,0418:30:00,30 ,0.000973,47.95969,19.19468,17.19568
sgpcmbeC1.c1,1998,0419:30:00,30 ,0.002412,1.291414, 0.59915,0.321436
sgpcmbeC1.c1,1998,0420:30:00,30 ,0.002658,0.906209,0.306422, 0.25119
sgpcmbeC1.c1,1998,0421:30:00,30 ,       0,0.755759,0.242658,0.212655
sgpcmbeC1.c1,1998,0422:30:00,30 ,       0,0.910678,0.196391,0.247896
sgpcmbeC1.c1,1998,0423:30:00,30 ,       0,1.399348,0.276076, 0.35492