datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,04 0:30:00,29 ,0.012382,0.134037,0.037905,0.029091
sgpcmbeC1.c1,2004,04 1:30:00,29 , 0.01257,0.091198,0.036211,0.022274
sgpcmbeC1.c1,2004,04 2:30:00,29 ,0.013386,0.225712, 0.04319,0.048063
sgpcmbeC1.c1,2004,04 3:30:00,29 ,0.014323,0.071363,0.034106,0.017098
sgpcmbeC1.c1,2004,04 4:30:00,28 , 0.01275,0.082264,0.035135,0.019449
sgpcmbeC1.c1,2004,04 5:30:00,28 , 0.01219,0.121022,0.037445,0.024143
sgpcmbeC1.c1,2004,04 6:30:00,28 ,0.013673,0.470481,0.052819,0.084901
sgpcmbeC1.c1,2004,04 7:30:00,29 ,0.014776,0.147563,0.036982,0.029872
sgpcmbeC1.c1,2004,04 8:30:00,30 ,0.013874,0.313522,0.041929,0.053427
sgpcmbeC1.c1,2004,04 9:30:00,30 ,0.012825,0.118192,0.032055,0.022597
sgpcmbeC1.c1,2004,0410:30:00,30 ,0.015455,0.168834,0.046283,0.035706
sgpcmbeC1.c1,2004,0411:30:00,30 ,0.016188,0.227509,0.047626,0.041735
sgpcmbeC1.c1,2004,0412:30:00,30 ,0.016966,0.145103,0.053215,0.035061
sgpcmbeC1.c1,2004,0413:30:00,30 ,0.017908,0.189796,0.051088,0.037727
sgpcmbeC1.c1,2004,0414:30:00,30 ,0.015573,0.129109,0.047998,0.027007
sgpcmbeC1.c1,2004,0415:30:00,30 ,0.018843,0.143739,0.053196, 0.03039
sgpcmbeC1.c1,2004,0416:30:00,30 ,0.018343,0.135597, 0.05354,0.033689
sgpcmbeC1.c1,2004,0417:30:00,30 , 0.01396,0.159789,0.048388,0.041457
sgpcmbeC1.c1,2004,0418:30:00,30 ,0.015141,0.142546,0.044843,0.034012
sgpcmbeC1.c1,2004,0419:30:00,30 ,0.014098,0.129817,0.039629,  0.0252
sgpcmbeC1.c1,2004,0420:30:00,30 ,0.012887,0.214627,0.043325,0.046821
sgpcmbeC1.c1,2004,0421:30:00,30 ,0.013419,0.187993,0.052497,0.048803
sgpcmbeC1.c1,2004,0422:30:00,28 ,0.013514,0.098974,0.037662,0.022144
sgpcmbeC1.c1,2004,0423:30:00,29 ,0.012528,0.139455,0.044413,0.038214