datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,05 0:30:00,25 ,0.027303,197.7778,31.25036,44.35165
sgpcmbeC1.c1,2007,05 1:30:00,26 , 0.04726,144.3815,38.10631,42.71309
sgpcmbeC1.c1,2007,05 2:30:00,26 ,0.003478,396.3733,80.61467,114.1603
sgpcmbeC1.c1,2007,05 3:30:00,26 , 0.00589,529.8125,66.74579,106.9239
sgpcmbeC1.c1,2007,05 4:30:00,25 ,0.017567,786.4578,103.6313,203.0746
sgpcmbeC1.c1,2007,05 5:30:00,25 ,       0,1283.348, 138.676,278.6698
sgpcmbeC1.c1,2007,05 6:30:00,22 ,       0,470.5351,79.64847,118.2888
sgpcmbeC1.c1,2007,05 7:30:00,26 ,0.014122, 702.801,103.3411,149.6359
sgpcmbeC1.c1,2007,05 8:30:00,25 ,0.037891,355.3323,109.4738, 120.942
sgpcmbeC1.c1,2007,05 9:30:00,28 ,0.065055,1158.591,175.1799,252.7614
sgpcmbeC1.c1,2007,0510:30:00,28 ,0.030316,1083.163,156.0958,252.2603
sgpcmbeC1.c1,2007,0511:30:00,27 ,0.162242,713.5762,89.43447,156.5125
sgpcmbeC1.c1,2007,0512:30:00,28 ,0.026437,1186.871,133.1783,281.3651
sgpcmbeC1.c1,2007,0513:30:00,26 ,0.093716,756.1699, 63.7296,148.5681
sgpcmbeC1.c1,2007,0514:30:00,28 ,0.024261,1161.464,137.4453,263.0569
sgpcmbeC1.c1,2007,0515:30:00,28 ,0.021463,1022.138,81.47497,194.1699
sgpcmbeC1.c1,2007,0516:30:00,27 ,0.424604, 813.224,74.09326,162.9734
sgpcmbeC1.c1,2007,0517:30:00,27 ,0.428757,310.6795,60.49576,88.02494
sgpcmbeC1.c1,2007,0518:30:00,28 ,0.765194,627.8701,51.82576,120.3565
sgpcmbeC1.c1,2007,0519:30:00,28 ,0.889156,815.2775, 71.4139,167.0625
sgpcmbeC1.c1,2007,0520:30:00,28 ,0.705757,238.9359,28.43551,51.48564
sgpcmbeC1.c1,2007,0521:30:00,28 ,0.319274,97.42736,22.65312,25.95675
sgpcmbeC1.c1,2007,0522:30:00,28 ,0.182062,408.1505, 37.9015,79.07825
sgpcmbeC1.c1,2007,0523:30:00,26 ,0.266928,553.0977,48.81646,  110.81