datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2006,07 0:30:00,31 ,       0,0.591093,0.099308,0.183485
twpcmbeC1.c1,2006,07 1:30:00,31 ,       0,0.393766,0.077061,0.128841
twpcmbeC1.c1,2006,07 2:30:00,31 ,       0,0.517658,0.104572,0.175937
twpcmbeC1.c1,2006,07 3:30:00,31 ,       0,0.428638,  0.0577,0.121563
twpcmbeC1.c1,2006,07 4:30:00,31 ,       0,0.127823,0.013985,0.037312
twpcmbeC1.c1,2006,07 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,07 6:30:00,31 ,1.375596,37.31802,18.46618,11.17832
twpcmbeC1.c1,2006,07 7:30:00,31 ,2.779582,144.6798,49.23048,35.49142
twpcmbeC1.c1,2006,07 8:30:00,31 ,19.49958,222.2915,81.98603,42.46968
twpcmbeC1.c1,2006,07 9:30:00,31 ,12.61235,233.8517,109.4762,54.80577
twpcmbeC1.c1,2006,0710:30:00,31 ,18.21816,243.5252,116.0507,71.31966
twpcmbeC1.c1,2006,0711:30:00,31 ,6.208418,341.4031,119.1869,83.97668
twpcmbeC1.c1,2006,0712:30:00,31 ,3.818203,340.8557,133.8838,98.25006
twpcmbeC1.c1,2006,0713:30:00,31 ,5.558529,280.7787,124.9804,88.22624
twpcmbeC1.c1,2006,0714:30:00,31 ,6.814415,285.0517,123.5871,75.34361
twpcmbeC1.c1,2006,0715:30:00,31 ,7.061332,240.1644,90.35187,  63.898
twpcmbeC1.c1,2006,0716:30:00,31 ,10.91496,139.0129,71.19509,35.33182
twpcmbeC1.c1,2006,0717:30:00,31 ,2.185672, 90.0243,41.84546,26.47941
twpcmbeC1.c1,2006,0718:30:00,31 ,1.828086,20.73759,5.356641,3.635101
twpcmbeC1.c1,2006,0719:30:00,31 ,       0,0.096954, 0.00872,0.027251
twpcmbeC1.c1,2006,0720:30:00,31 ,       0,0.364788,0.030893,0.082414
twpcmbeC1.c1,2006,0721:30:00,31 ,       0, 0.45214,0.077188,0.136885
twpcmbeC1.c1,2006,0722:30:00,31 ,       0,0.493894,0.087705,0.167874
twpcmbeC1.c1,2006,0723:30:00,31 ,       0, 0.55975,0.113494, 0.19749