datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2001,06 0:30:00,30 ,       0,0.694162,0.027296,0.126166
twpcmbeC1.c1,2001,06 1:30:00,30 ,       0,1.291071,0.046662,0.235142
twpcmbeC1.c1,2001,06 2:30:00,30 ,       0,0.252248,0.011411,0.046004
twpcmbeC1.c1,2001,06 3:30:00,30 ,       0,0.932756,0.033802,0.169846
twpcmbeC1.c1,2001,06 4:30:00,30 ,       0,1.019622,0.038229,0.186271
twpcmbeC1.c1,2001,06 5:30:00,30 ,       0,1.357307,0.052345,0.247287
twpcmbeC1.c1,2001,06 6:30:00,30 ,1.789111,65.99578,21.47954,12.57009
twpcmbeC1.c1,2001,06 7:30:00,30 ,17.80072,157.9947,88.98573,33.84438
twpcmbeC1.c1,2001,06 8:30:00,30 ,26.81198,305.1732,168.5679,75.99511
twpcmbeC1.c1,2001,06 9:30:00,30 ,29.15293,519.5688,231.0081,107.8197
twpcmbeC1.c1,2001,0610:30:00,30 ,45.14995,478.4657,259.0012,109.9097
twpcmbeC1.c1,2001,0611:30:00,30 ,76.87517,586.8129,278.5796,124.7874
twpcmbeC1.c1,2001,0612:30:00,30 , 77.3055,497.0356,271.0519,110.5134
twpcmbeC1.c1,2001,0613:30:00,30 ,28.34779,427.8347,253.8377, 109.368
twpcmbeC1.c1,2001,0614:30:00,30 ,79.80125,407.2443,240.9917,83.89355
twpcmbeC1.c1,2001,0615:30:00,30 ,88.49683,300.6525,198.0209, 55.5599
twpcmbeC1.c1,2001,0616:30:00,30 ,39.09038,203.0827,134.9125,36.15138
twpcmbeC1.c1,2001,0617:30:00,30 ,31.28583,108.4034,57.57012,19.56382
twpcmbeC1.c1,2001,0618:30:00,30 ,  0.6804,7.440772,2.292334,1.487728
twpcmbeC1.c1,2001,0619:30:00,30 ,       0,1.013643,0.034672,0.184945
twpcmbeC1.c1,2001,0620:30:00,30 ,       0,1.604535,0.054527, 0.29276
twpcmbeC1.c1,2001,0621:30:00,30 ,       0,1.349321,0.047142,0.246006
twpcmbeC1.c1,2001,0622:30:00,30 ,       0,1.727398,0.059262,0.315072
twpcmbeC1.c1,2001,0623:30:00,30 ,       0,0.022778,0.003991,0.006985