datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,08 0:30:00,31 ,       0,377.1964,26.17967, 75.2055
sgpcmbeC1.c1,2002,08 1:30:00,30 ,       0,234.6669,13.41774,42.83676
sgpcmbeC1.c1,2002,08 2:30:00,30 ,       0,131.9983,15.81386, 29.2036
sgpcmbeC1.c1,2002,08 3:30:00,29 ,       0,296.7704,24.23284,63.43657
sgpcmbeC1.c1,2002,08 4:30:00,30 ,       0,459.4648,40.27378,100.6503
sgpcmbeC1.c1,2002,08 5:30:00,30 ,       0,401.9738, 28.8592,77.63389
sgpcmbeC1.c1,2002,08 6:30:00,28 ,       0,576.3514,27.23259, 108.394
sgpcmbeC1.c1,2002,08 7:30:00,28 ,       0,225.7064,11.69492,42.49219
sgpcmbeC1.c1,2002,08 8:30:00,27 ,       0,39.34514,5.227843,8.332631
sgpcmbeC1.c1,2002,08 9:30:00,30 ,       0,162.7487,15.08863,30.98056
sgpcmbeC1.c1,2002,0810:30:00,30 ,       0,400.4826,21.71206,73.73264
sgpcmbeC1.c1,2002,0811:30:00,30 ,       0,526.6835,33.11068,98.84058
sgpcmbeC1.c1,2002,0812:30:00,31 ,       0,711.4769, 58.3081,146.4118
sgpcmbeC1.c1,2002,0813:30:00,31 ,       0,1155.391,53.44528,208.0918
sgpcmbeC1.c1,2002,0814:30:00,31 ,       0,  660.18, 45.8537,139.1674
sgpcmbeC1.c1,2002,0815:30:00,30 ,       0,605.2966,30.49562, 109.725
sgpcmbeC1.c1,2002,0816:30:00,31 ,       0,535.3206,39.43425,117.0307
sgpcmbeC1.c1,2002,0817:30:00,31 ,       0,632.1598,38.77485,129.4847
sgpcmbeC1.c1,2002,0818:30:00,31 ,       0,105.5934,12.30054, 24.1473
sgpcmbeC1.c1,2002,0819:30:00,31 ,       0,47.00853,8.245901,11.72366
sgpcmbeC1.c1,2002,0820:30:00,31 ,       0, 45.6659,7.188727,10.26693
sgpcmbeC1.c1,2002,0821:30:00,31 ,       0,103.1469,10.15335,22.31411
sgpcmbeC1.c1,2002,0822:30:00,31 ,       0,229.2169,15.67827,46.75362
sgpcmbeC1.c1,2002,0823:30:00,31 ,       0,268.6645,28.15972,65.16881