datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,06 0:30:00,26 ,       0,420.0467,70.66105, 110.574
sgpcmbeC1.c1,2007,06 1:30:00,22 ,       0,402.5992,43.29807,91.86956
sgpcmbeC1.c1,2007,06 2:30:00,25 ,       0,945.3702,91.86232, 206.815
sgpcmbeC1.c1,2007,06 3:30:00,25 ,       0,965.7852,75.87694,200.0073
sgpcmbeC1.c1,2007,06 4:30:00,27 ,       0,1001.112,123.0551,250.5423
sgpcmbeC1.c1,2007,06 5:30:00,26 ,       0,487.8683,71.81888, 124.789
sgpcmbeC1.c1,2007,06 6:30:00,25 ,       0,425.5232,67.97696,113.5891
sgpcmbeC1.c1,2007,06 7:30:00,27 ,       0, 370.781,63.12609,92.02194
sgpcmbeC1.c1,2007,06 8:30:00,27 ,       0, 470.977,56.48627,100.4135
sgpcmbeC1.c1,2007,06 9:30:00,27 ,       0,441.9751,80.53939,118.8847
sgpcmbeC1.c1,2007,0610:30:00,26 ,       0,358.9923,69.87752,100.6227
sgpcmbeC1.c1,2007,0611:30:00,26 ,       0,412.4426, 77.6669,105.2254
sgpcmbeC1.c1,2007,0612:30:00,25 ,       0,771.1949,82.70545,155.4834
sgpcmbeC1.c1,2007,0613:30:00,25 ,       0,624.2411,82.00647, 130.496
sgpcmbeC1.c1,2007,0614:30:00,25 ,       0,632.9821,102.5977,160.3351
sgpcmbeC1.c1,2007,0615:30:00,25 ,       0,275.9061,46.67979, 64.4244
sgpcmbeC1.c1,2007,0616:30:00,27 ,       0,614.8721,76.58348,129.1355
sgpcmbeC1.c1,2007,0617:30:00,26 ,       0, 574.343,62.84662,118.9414
sgpcmbeC1.c1,2007,0618:30:00,26 ,       0,739.3066,69.32013,159.1244
sgpcmbeC1.c1,2007,0619:30:00,27 ,       0,426.9086, 69.2475,132.1433
sgpcmbeC1.c1,2007,0620:30:00,28 ,       0,454.1415,78.06649, 134.214
sgpcmbeC1.c1,2007,0621:30:00,26 ,       0,  427.64,60.34816,112.1784
sgpcmbeC1.c1,2007,0622:30:00,25 ,       0,631.0453, 62.0318,132.2255
sgpcmbeC1.c1,2007,0623:30:00,24 ,       0,234.4498,41.69507,64.85391