datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,09 0:30:00,30 ,       0,1.009119,0.219486,0.347281
sgpcmbeC1.c1,2004,09 1:30:00,30 ,       0,1.429277,0.291709,0.470535
sgpcmbeC1.c1,2004,09 2:30:00,30 ,       0,0.692704,0.102698, 0.21783
sgpcmbeC1.c1,2004,09 3:30:00,30 ,       0,1.100136,0.157241,0.336077
sgpcmbeC1.c1,2004,09 4:30:00,30 ,       0,1.285209,0.102912,0.319444
sgpcmbeC1.c1,2004,09 5:30:00,30 ,       0,1.344526,0.380006,0.514311
sgpcmbeC1.c1,2004,09 6:30:00,30 ,4.721563,23.45387,13.98571,3.595856
sgpcmbeC1.c1,2004,09 7:30:00,30 ,5.059124,34.00351,14.51887,7.856444
sgpcmbeC1.c1,2004,09 8:30:00,30 ,2.714546,42.78695,13.64708,11.56082
sgpcmbeC1.c1,2004,09 9:30:00,30 ,1.837909,85.86291,14.54054,20.50265
sgpcmbeC1.c1,2004,0910:30:00,30 ,1.220102, 108.976,18.89614,26.98768
sgpcmbeC1.c1,2004,0911:30:00,30 ,0.698881, 91.7205,17.92313, 23.0815
sgpcmbeC1.c1,2004,0912:30:00,30 ,0.430579,92.42609,22.54634,25.21584
sgpcmbeC1.c1,2004,0913:30:00,30 ,0.244961,127.3106,31.35774,36.70889
sgpcmbeC1.c1,2004,0914:30:00,30 ,0.738216,124.9754,31.12031,32.47327
sgpcmbeC1.c1,2004,0915:30:00,30 ,1.158423,96.62606,19.67945,21.05773
sgpcmbeC1.c1,2004,0916:30:00,30 , 2.95091,58.71059,19.16951,15.71304
sgpcmbeC1.c1,2004,0917:30:00,30 ,5.505548,38.82388,15.64398,8.009591
sgpcmbeC1.c1,2004,0918:30:00,30 ,3.077632,20.96295,11.88906,4.758896
sgpcmbeC1.c1,2004,0919:30:00,30 ,       0,1.892455,0.185055,0.462141
sgpcmbeC1.c1,2004,0920:30:00,30 ,       0,1.113645,0.037122,0.203323
sgpcmbeC1.c1,2004,0921:30:00,30 ,       0,1.004506,0.116003,0.276582
sgpcmbeC1.c1,2004,0922:30:00,30 ,       0,1.145876,0.112624,0.285026
sgpcmbeC1.c1,2004,0923:30:00,30 ,       0,1.180204,0.174127,0.344548