datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,04 0:30:00,29 ,0.516693,3.726187,1.778736,0.868635
sgpcmbeC1.c1,1997,04 1:30:00,27 ,0.507445,3.426732,1.661743,0.728111
sgpcmbeC1.c1,1997,04 2:30:00,29 ,0.482806,3.654319,1.752162,0.789033
sgpcmbeC1.c1,1997,04 3:30:00,28 ,0.485809,3.867843,1.750898,0.803264
sgpcmbeC1.c1,1997,04 4:30:00,29 ,0.508459,3.810933,1.726839,0.776948
sgpcmbeC1.c1,1997,04 5:30:00,29 ,0.479854,3.162961,1.692365, 0.72402
sgpcmbeC1.c1,1997,04 6:30:00,29 ,0.438046,2.944601,1.656134,0.669948
sgpcmbeC1.c1,1997,04 7:30:00,29 ,0.446599,3.023999,1.674986, 0.70515
sgpcmbeC1.c1,1997,04 8:30:00,29 ,0.479155,3.176583,1.675317,0.693472
sgpcmbeC1.c1,1997,04 9:30:00,29 ,0.519448,3.494115,1.688279,0.699847
sgpcmbeC1.c1,1997,0410:30:00,28 ,0.565545,3.009302, 1.68487,0.671943
sgpcmbeC1.c1,1997,0411:30:00,29 ,0.600853,3.192974,1.725237,0.696746
sgpcmbeC1.c1,1997,0412:30:00,29 ,0.609578,3.564258,1.710062,0.706709
sgpcmbeC1.c1,1997,0413:30:00,28 ,0.622434,2.831695,1.648586,0.635173
sgpcmbeC1.c1,1997,0414:30:00,29 ,0.639981, 3.87138,1.782099, 0.83192
sgpcmbeC1.c1,1997,0415:30:00,28 ,0.607492,3.205886,1.723999,0.757139
sgpcmbeC1.c1,1997,0416:30:00,28 ,0.600253,  3.6826,1.722742,0.801406
sgpcmbeC1.c1,1997,0417:30:00,28 ,0.598346,3.793292,1.731663,0.855531
sgpcmbeC1.c1,1997,0418:30:00,29 ,0.606049,3.350307, 1.70196,0.779516
sgpcmbeC1.c1,1997,0419:30:00,29 ,0.534493,3.798548,1.738425,0.861817
sgpcmbeC1.c1,1997,0420:30:00,29 ,0.532552,3.511361,1.719296,0.844925
sgpcmbeC1.c1,1997,0421:30:00,29 ,0.546336,3.746492,1.766528,0.879417
sgpcmbeC1.c1,1997,0422:30:00,27 , 0.53358,3.844964,1.639458,0.777348
sgpcmbeC1.c1,1997,0423:30:00,29 ,0.513973,3.988862,1.746801,0.855846