datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,06 0:30:00,27 ,0.680609,4.313097,1.430902,0.910647
sgpcmbeC1.c1,2005,06 1:30:00,27 , 0.40686,3.501103,1.540719,0.942626
sgpcmbeC1.c1,2005,06 2:30:00,27 ,0.504841,5.554633,  1.5722,1.238091
sgpcmbeC1.c1,2005,06 3:30:00,27 , 0.65336, 6.58762,1.730427,1.371443
sgpcmbeC1.c1,2005,06 4:30:00,27 ,0.564448,7.579145,1.870529, 1.60567
sgpcmbeC1.c1,2005,06 5:30:00,27 ,0.714255,5.380523,2.348911,1.279891
sgpcmbeC1.c1,2005,06 6:30:00,27 ,0.527774,9.244863,5.119368,2.252792
sgpcmbeC1.c1,2005,06 7:30:00,27 ,1.108301,9.313496,5.816709, 2.21536
sgpcmbeC1.c1,2005,06 8:30:00,28 ,3.128678,10.60437,6.189388,1.744687
sgpcmbeC1.c1,2005,06 9:30:00,28 ,2.512297,13.85252,6.266672,2.330832
sgpcmbeC1.c1,2005,0610:30:00,28 ,3.441237,11.88419,6.010564,2.432572
sgpcmbeC1.c1,2005,0611:30:00,28 ,2.397804,23.60768,6.816525,4.781927
sgpcmbeC1.c1,2005,0612:30:00,27 ,1.995917,14.05439,5.573908,3.440084
sgpcmbeC1.c1,2005,0613:30:00,27 ,1.741706,16.65609,5.904772,4.208522
sgpcmbeC1.c1,2005,0614:30:00,27 ,1.867512,20.12182,5.818906,4.147718
sgpcmbeC1.c1,2005,0615:30:00,27 ,1.801873,11.40598,4.877493,2.378475
sgpcmbeC1.c1,2005,0616:30:00,27 ,  2.0887,29.78297,5.749132,5.455578
sgpcmbeC1.c1,2005,0617:30:00,27 , 2.05319, 15.9947,4.486368,2.576909
sgpcmbeC1.c1,2005,0618:30:00,27 , 1.00997,10.82696,4.050789, 1.65174
sgpcmbeC1.c1,2005,0619:30:00,27 , 1.04559,7.027777,5.163988,1.458975
sgpcmbeC1.c1,2005,0620:30:00,27 ,1.026574,5.619047,2.916199,1.238036
sgpcmbeC1.c1,2005,0621:30:00,27 , 0.74906,7.895337,2.204815,1.478572
sgpcmbeC1.c1,2005,0622:30:00,27 ,0.566268,4.552626,1.688562, 0.92465
sgpcmbeC1.c1,2005,0623:30:00,27 ,0.811647,12.13081,1.846376,2.260647