datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,07 0:30:00,24 ,0.022172,0.125375,0.050929,0.027727
sgpcmbeC1.c1,2001,07 1:30:00,24 ,0.014311,0.123828,0.044138,0.024695
sgpcmbeC1.c1,2001,07 2:30:00,24 , 0.01435,0.110753,0.050998,0.030718
sgpcmbeC1.c1,2001,07 3:30:00,24 ,0.018811,0.442486,0.066073,0.086012
sgpcmbeC1.c1,2001,07 4:30:00,24 ,0.017529,0.166164,0.046122,  0.0321
sgpcmbeC1.c1,2001,07 5:30:00,24 ,0.016414,0.155872,0.058994,0.047455
sgpcmbeC1.c1,2001,07 6:30:00,23 ,0.022212,0.221939,0.059832,0.047064
sgpcmbeC1.c1,2001,07 7:30:00,24 ,0.019948,0.237517,0.048224,0.049729
sgpcmbeC1.c1,2001,07 8:30:00,26 ,0.020614,0.106969,0.043783,0.023291
sgpcmbeC1.c1,2001,07 9:30:00,26 ,0.024724,0.108994,0.048744,0.018199
sgpcmbeC1.c1,2001,0710:30:00,26 ,0.021114,0.088271,0.047296,0.017585
sgpcmbeC1.c1,2001,0711:30:00,26 ,0.030928,0.133068,0.068495,0.024654
sgpcmbeC1.c1,2001,0712:30:00,26 , 0.02537,0.171515,0.078299,0.040079
sgpcmbeC1.c1,2001,0713:30:00,26 ,0.021431,0.210521,0.097586,0.051246
sgpcmbeC1.c1,2001,0714:30:00,25 ,0.036422,0.194479,0.095727,0.045195
sgpcmbeC1.c1,2001,0715:30:00,25 , 0.02946,0.180567,0.096212,0.044907
sgpcmbeC1.c1,2001,0716:30:00,25 ,0.028122,0.194551,0.089735,0.039807
sgpcmbeC1.c1,2001,0717:30:00,25 ,0.021845,0.153016,0.071496,0.031747
sgpcmbeC1.c1,2001,0718:30:00,25 ,0.021867,0.144794,0.057484,0.025887
sgpcmbeC1.c1,2001,0719:30:00,25 , 0.01799,0.135125,0.057265, 0.02427
sgpcmbeC1.c1,2001,0720:30:00,25 ,0.019674, 0.14104,0.049547,0.029338
sgpcmbeC1.c1,2001,0721:30:00,25 ,0.020563,0.067891,0.037204,0.013334
sgpcmbeC1.c1,2001,0722:30:00,25 ,0.018779,0.142359,0.047916,0.029228
sgpcmbeC1.c1,2001,0723:30:00,25 ,0.018166,0.074025,0.039025,0.017065