datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,04 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,04 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,04 2:30:00,30 ,       0,0.037255,0.001242,0.006802
sgpcmbeC1.c1,1998,04 3:30:00,30 ,       0,0.029658,0.000989,0.005415
sgpcmbeC1.c1,1998,04 4:30:00,30 ,       0,0.001194, 0.00004,0.000218
sgpcmbeC1.c1,1998,04 5:30:00,30 ,       0,0.176884,0.021276,0.049758
sgpcmbeC1.c1,1998,04 6:30:00,30 ,0.020998,53.69428,20.24131,17.79245
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 ,       0,222.6653,123.1562,77.73331
sgpcmbeC1.c1,1998,0418:30:00,30 ,       0,47.95969,19.12471,17.27308
sgpcmbeC1.c1,1998,0419:30:00,30 ,       0,0.724331,0.072254,0.165432
sgpcmbeC1.c1,1998,0420:30:00,30 ,       0,0.005868,0.000196,0.001071
sgpcmbeC1.c1,1998,0421:30:00,30 ,       0,0.010131,0.000664,0.002529
sgpcmbeC1.c1,1998,0422:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,0423:30:00,30 ,       0,0.221161,0.007384,0.040376