datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,04 0:30:00,28 ,0.598887,  3.4942,1.770482,0.816388
sgpcmbeC1.c1,2004,04 1:30:00,28 ,0.571503,3.297686,1.749481,0.773718
sgpcmbeC1.c1,2004,04 2:30:00,28 ,0.593968,2.868679,1.700019,0.707103
sgpcmbeC1.c1,2004,04 3:30:00,28 ,0.607371,2.983485,1.690526,0.679288
sgpcmbeC1.c1,2004,04 4:30:00,27 ,0.630238,3.064233,1.690914,0.699228
sgpcmbeC1.c1,2004,04 5:30:00,28 ,0.633919,3.069603,1.765506,0.756625
sgpcmbeC1.c1,2004,04 6:30:00,28 ,0.646321, 3.07786,1.741418,0.726406
sgpcmbeC1.c1,2004,04 7:30:00,28 ,0.603436,3.454333,1.763429,0.776603
sgpcmbeC1.c1,2004,04 8:30:00,29 ,0.597829,3.125962,1.757435,0.743161
sgpcmbeC1.c1,2004,04 9:30:00,29 ,0.623375,3.216363,1.740887,0.719799
sgpcmbeC1.c1,2004,0410:30:00,29 ,0.623587,3.196354,1.760788,0.727989
sgpcmbeC1.c1,2004,0411:30:00,29 ,0.622932,3.307316,1.778602,0.719257
sgpcmbeC1.c1,2004,0412:30:00,29 ,0.669193,3.517493,1.813988,0.722692
sgpcmbeC1.c1,2004,0413:30:00,29 ,0.716583,3.625468,1.874167,0.756547
sgpcmbeC1.c1,2004,0414:30:00,29 ,0.675553,3.796616, 1.88891,0.777346
sgpcmbeC1.c1,2004,0415:30:00,29 ,0.779784,3.650133,1.893091,0.764837
sgpcmbeC1.c1,2004,0416:30:00,29 ,0.752461, 3.53826,1.937922,0.787496
sgpcmbeC1.c1,2004,0417:30:00,29 ,0.788272,3.344671,1.913553,0.750426
sgpcmbeC1.c1,2004,0418:30:00,29 ,0.772375,3.340693,1.889763, 0.74171
sgpcmbeC1.c1,2004,0419:30:00,28 ,0.722069,3.264088,1.838372,0.728588
sgpcmbeC1.c1,2004,0420:30:00,29 ,0.718415,3.858918,1.903343,0.833084
sgpcmbeC1.c1,2004,0421:30:00,29 ,0.695257,3.859028,1.912378,0.849332
sgpcmbeC1.c1,2004,0422:30:00,27 ,0.693033,3.587865,1.834484,0.802023
sgpcmbeC1.c1,2004,0423:30:00,28 ,0.655556,4.451324,1.927333,0.938282