datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,04 0:30:00,30 ,0.413946,11.28425,1.875528,2.130965
sgpcmbeC1.c1,2007,04 1:30:00,30 ,0.236696,12.66183,1.955557,2.395058
sgpcmbeC1.c1,2007,04 2:30:00,30 ,0.295214,6.824211,1.624724,1.677959
sgpcmbeC1.c1,2007,04 3:30:00,30 ,0.263679,8.027574,1.564548,1.680745
sgpcmbeC1.c1,2007,04 4:30:00,30 ,  0.2308,5.617542,1.464163,1.075039
sgpcmbeC1.c1,2007,04 5:30:00,30 ,0.234686,3.024662,1.205588,0.720287
sgpcmbeC1.c1,2007,04 6:30:00,30 ,0.459357,8.382487,3.078537,2.197128
sgpcmbeC1.c1,2007,04 7:30:00,30 ,0.253352,24.91694,5.452461,4.671718
sgpcmbeC1.c1,2007,04 8:30:00,29 ,0.371144,9.808609,4.928081,2.890657
sgpcmbeC1.c1,2007,04 9:30:00,30 ,0.495979,10.95322,5.547184,2.919976
sgpcmbeC1.c1,2007,0410:30:00,30 , 0.46021,10.36129,5.082646,2.228299
sgpcmbeC1.c1,2007,0411:30:00,30 ,1.684095, 13.5086,5.468176, 2.72539
sgpcmbeC1.c1,2007,0412:30:00,30 ,0.617016,32.73857,6.197267, 6.32477
sgpcmbeC1.c1,2007,0413:30:00,29 ,0.524961,18.40273,6.355399,5.197811
sgpcmbeC1.c1,2007,0414:30:00,30 , 0.44721,38.72544,7.432707,7.711896
sgpcmbeC1.c1,2007,0415:30:00,30 , 0.34714,13.84745,4.159834,2.523983
sgpcmbeC1.c1,2007,0416:30:00,30 ,0.552298,17.56135,5.919317,3.148469
sgpcmbeC1.c1,2007,0417:30:00,30 ,0.201317,7.662522,4.434982,2.010535
sgpcmbeC1.c1,2007,0418:30:00,30 ,0.294547,12.38337,5.767858,3.242175
sgpcmbeC1.c1,2007,0419:30:00,30 ,0.256293,7.995058,2.568663,1.734447
sgpcmbeC1.c1,2007,0420:30:00,30 ,0.284026,32.53389,4.519706,8.450766
sgpcmbeC1.c1,2007,0421:30:00,30 ,0.310873, 24.8078,2.614536,4.412484
sgpcmbeC1.c1,2007,0422:30:00,30 ,0.310128,27.66532,2.394965,4.947183
sgpcmbeC1.c1,2007,0423:30:00,30 ,0.230087,4.497467,1.914131,1.236538