datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,08 0:30:00,31 ,0.227832,8.664887,2.090934,1.993966
sgpcmbeC1.c1,2005,08 1:30:00,31 ,0.357676,4.269772,1.482351,0.988479
sgpcmbeC1.c1,2005,08 2:30:00,31 ,0.395123,4.718836,1.688837,1.119641
sgpcmbeC1.c1,2005,08 3:30:00,31 ,0.259903,5.525518,1.671452,1.462212
sgpcmbeC1.c1,2005,08 4:30:00,31 ,0.328656,6.144736,1.793054,1.581204
sgpcmbeC1.c1,2005,08 5:30:00,31 ,   0.313, 3.49873,1.474003,0.893763
sgpcmbeC1.c1,2005,08 6:30:00,31 ,0.717184,8.538888,4.213519,2.397633
sgpcmbeC1.c1,2005,08 7:30:00,31 ,0.633877,11.37141,5.516085, 2.65547
sgpcmbeC1.c1,2005,08 8:30:00,31 ,1.158046,10.79819,6.349206,2.759039
sgpcmbeC1.c1,2005,08 9:30:00,31 ,1.227976,12.20079,6.333135,2.260049
sgpcmbeC1.c1,2005,0810:30:00,31 ,0.650887,14.37333,6.433468, 3.35771
sgpcmbeC1.c1,2005,0811:30:00,31 ,0.617399,21.85335,6.810063,4.550679
sgpcmbeC1.c1,2005,0812:30:00,31 ,1.915042,23.91854,5.870471,4.477946
sgpcmbeC1.c1,2005,0813:30:00,31 ,1.410762,22.09988,6.890632, 6.01591
sgpcmbeC1.c1,2005,0814:30:00,31 ,1.082572,14.53105,5.067299,3.572015
sgpcmbeC1.c1,2005,0815:30:00,31 ,0.867891,15.07765,5.568885, 3.62584
sgpcmbeC1.c1,2005,0816:30:00,31 ,0.543549,23.87854,5.308305,4.078154
sgpcmbeC1.c1,2005,0817:30:00,31 ,0.549507,17.53389,4.969347,3.469688
sgpcmbeC1.c1,2005,0818:30:00,31 ,0.653334,9.047611,4.576562,2.184525
sgpcmbeC1.c1,2005,0819:30:00,31 ,0.723783,6.908481,3.269369,1.729251
sgpcmbeC1.c1,2005,0820:30:00,31 ,0.392534,10.11351,2.607451,2.057985
sgpcmbeC1.c1,2005,0821:30:00,31 , 0.37152,4.004704,1.572172,0.898734
sgpcmbeC1.c1,2005,0822:30:00,31 , 0.45207,3.974103,1.907166,0.960143
sgpcmbeC1.c1,2005,0823:30:00,31 ,0.401548,7.267735,1.880483,1.597151