datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,08 0:30:00,3 ,3.902244,4.986123,4.307411,0.591455
sgpcmbeC1.c1,2007,08 1:30:00,3 ,3.815514,5.165866,4.361444, 0.71132
sgpcmbeC1.c1,2007,08 2:30:00,3 ,3.437684,5.282717,4.300482,0.928297
sgpcmbeC1.c1,2007,08 3:30:00,3 ,3.246219,5.252834,4.256718,1.003385
sgpcmbeC1.c1,2007,08 4:30:00,3 ,3.347709,5.158752,4.285968,0.907295
sgpcmbeC1.c1,2007,08 5:30:00,3 ,3.421969,5.142882,4.299643,0.860973
sgpcmbeC1.c1,2007,08 6:30:00,3 ,3.310995,5.153801,4.276319,0.924538
sgpcmbeC1.c1,2007,08 7:30:00,3 ,3.285488,5.142229,4.257483, 0.93144
sgpcmbeC1.c1,2007,08 8:30:00,3 ,3.377357,5.259253,4.306095,0.941186
sgpcmbeC1.c1,2007,08 9:30:00,3 ,3.383533,5.358756,4.326775,0.990597
sgpcmbeC1.c1,2007,0810:30:00,2 ,3.451815,5.394501,4.423158,1.373686
sgpcmbeC1.c1,2007,0811:30:00,2 ,3.471637,5.281236,4.376437, 1.27958
sgpcmbeC1.c1,2007,0812:30:00,2 ,3.922686,5.185963,4.554325,0.893272
sgpcmbeC1.c1,2007,0813:30:00,2 ,3.963846, 4.94303,4.453438,0.692388
sgpcmbeC1.c1,2007,0814:30:00,2 ,4.040884,4.813754,4.427319,0.546502
sgpcmbeC1.c1,2007,0815:30:00,2 ,4.121079,4.782797,4.451938,0.467905
sgpcmbeC1.c1,2007,0816:30:00,2 ,4.285282,4.857012,4.571147,0.404274
sgpcmbeC1.c1,2007,0817:30:00,2 ,4.314221,4.877824,4.596023,0.398528
sgpcmbeC1.c1,2007,0818:30:00,2 , 4.03957,4.655206,4.347388, 0.43532
sgpcmbeC1.c1,2007,0819:30:00,2 ,4.085594, 4.70256,4.394077,0.436261
sgpcmbeC1.c1,2007,0820:30:00,2 ,3.998804,4.640367,4.319586,0.453654
sgpcmbeC1.c1,2007,0821:30:00,2 ,3.811746,4.613861,4.212804,0.567181
sgpcmbeC1.c1,2007,0822:30:00,2 ,3.976068,4.522102,4.249085,0.386104
sgpcmbeC1.c1,2007,0823:30:00,2 ,3.961347,4.323444,4.142396,0.256041