datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,06 0:30:00,27 ,0.398334,2.325623,1.694534,0.528532
sgpcmbeC1.c1,2005,06 1:30:00,27 ,0.165368,2.464902,1.730086, 0.58724
sgpcmbeC1.c1,2005,06 2:30:00,27 ,0.475598,2.414557,1.667355,0.559611
sgpcmbeC1.c1,2005,06 3:30:00,27 ,0.625936,2.305757,1.737379,0.479915
sgpcmbeC1.c1,2005,06 4:30:00,27 , 0.67246,2.554879,1.809438,0.517111
sgpcmbeC1.c1,2005,06 5:30:00,27 ,0.294474,12.16257,4.436087,3.054225
sgpcmbeC1.c1,2005,06 6:30:00,27 ,0.027121,125.4886,59.46245,34.64843
sgpcmbeC1.c1,2005,06 7:30:00,27 ,0.162172,286.8178,175.5683,84.29726
sgpcmbeC1.c1,2005,06 8:30:00,28 , 19.3916,518.4865,295.2655, 142.885
sgpcmbeC1.c1,2005,06 9:30:00,28 ,29.85541,651.7427,456.9285,159.5021
sgpcmbeC1.c1,2005,0610:30:00,28 ,0.161739,786.3565,533.7569,  186.55
sgpcmbeC1.c1,2005,0611:30:00,28 ,65.31673,844.2999,595.2306, 219.781
sgpcmbeC1.c1,2005,0612:30:00,27 ,198.5287,892.7873,648.7306,  181.35
sgpcmbeC1.c1,2005,0613:30:00,27 ,156.1322,866.6703,576.4684,221.7585
sgpcmbeC1.c1,2005,0614:30:00,27 ,0.363464,730.7106,506.5175,233.5878
sgpcmbeC1.c1,2005,0615:30:00,27 ,0.657425,639.8455,407.1203,213.6146
sgpcmbeC1.c1,2005,0616:30:00,27 , 0.00079,471.9808,295.9707,159.5152
sgpcmbeC1.c1,2005,0617:30:00,27 , 0.10231,301.5765,182.9318, 102.147
sgpcmbeC1.c1,2005,0618:30:00,27 ,       0,124.1985,64.78175,43.53174
sgpcmbeC1.c1,2005,0619:30:00,27 ,0.332741,13.88323,5.808306,4.359578
sgpcmbeC1.c1,2005,0620:30:00,27 ,0.549877,2.278886,1.567964,0.416445
sgpcmbeC1.c1,2005,0621:30:00,27 ,0.730509,2.423676,1.776398,0.445801
sgpcmbeC1.c1,2005,0622:30:00,27 ,0.639743, 2.34933,1.787081,0.430677
sgpcmbeC1.c1,2005,0623:30:00,27 ,0.512988,2.399859,1.689235, 0.53469