datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,10 0:30:00,28 , 0.41419,4.217759,2.176215,1.078194
sgpcmbeC1.c1,2002,10 1:30:00,28 ,0.431416, 4.57623,2.171409,1.100198
sgpcmbeC1.c1,2002,10 2:30:00,27 ,0.445501, 4.37067,2.096934,1.041424
sgpcmbeC1.c1,2002,10 3:30:00,27 ,0.476812,4.016055,2.050036,0.992751
sgpcmbeC1.c1,2002,10 4:30:00,27 ,0.453865, 3.94193,2.038419,0.983718
sgpcmbeC1.c1,2002,10 5:30:00,27 ,0.418889,4.053878, 2.08018, 1.05993
sgpcmbeC1.c1,2002,10 6:30:00,26 ,0.426302,4.187696,  2.0174, 1.04314
sgpcmbeC1.c1,2002,10 7:30:00,25 ,0.451263,4.149309, 1.91991,0.971178
sgpcmbeC1.c1,2002,10 8:30:00,24 ,0.469257,4.232994,1.851385, 0.96133
sgpcmbeC1.c1,2002,10 9:30:00,26 ,0.484135,4.441057,1.968586,1.038989
sgpcmbeC1.c1,2002,1010:30:00,25 ,0.502578,4.451183,1.886599,0.988011
sgpcmbeC1.c1,2002,1011:30:00,26 ,0.508504,4.491879,1.973566,1.070416
sgpcmbeC1.c1,2002,1012:30:00,28 ,0.531389,4.413123,2.075176,1.098249
sgpcmbeC1.c1,2002,1013:30:00,28 ,0.541728, 4.57471,2.051976,1.080403
sgpcmbeC1.c1,2002,1014:30:00,27 ,0.551224,4.677309,1.941969, 0.99197
sgpcmbeC1.c1,2002,1015:30:00,28 ,0.545979,4.666034,2.045172,1.077906
sgpcmbeC1.c1,2002,1016:30:00,28 , 0.56269,4.673738,1.986432,0.981118
sgpcmbeC1.c1,2002,1017:30:00,28 ,0.554361,5.037722,1.990009,1.019659
sgpcmbeC1.c1,2002,1018:30:00,25 ,0.511929, 4.15875,1.979814,0.963583
sgpcmbeC1.c1,2002,1019:30:00,26 ,0.474692,5.068925,2.080597,1.164086
sgpcmbeC1.c1,2002,1020:30:00,27 , 0.44925,4.643677,2.106806,1.143718
sgpcmbeC1.c1,2002,1021:30:00,27 ,0.440807,4.507875,2.102429,1.100977
sgpcmbeC1.c1,2002,1022:30:00,27 , 0.41078,5.282033,2.145842,1.184654
sgpcmbeC1.c1,2002,1023:30:00,27 ,0.412414,4.400774,2.107959,1.077482