datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2005,06 0:30:00,30 ,       0,0.486236,0.029228,0.099587
twpcmbeC1.c1,2005,06 1:30:00,30 ,       0,0.399123,0.027764,0.090054
twpcmbeC1.c1,2005,06 2:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,06 3:30:00,30 ,       0,0.235041,0.010714,0.045204
twpcmbeC1.c1,2005,06 4:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,06 5:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,06 6:30:00,30 ,       0,26.26814,  6.3052,7.941777
twpcmbeC1.c1,2005,06 7:30:00,30 ,0.018727,111.8838,44.74843,30.77076
twpcmbeC1.c1,2005,06 8:30:00,30 ,0.286421,150.0422,67.72773,44.38326
twpcmbeC1.c1,2005,06 9:30:00,30 ,0.265869,239.6248,89.89472,70.34882
twpcmbeC1.c1,2005,0610:30:00,30 ,0.348616,282.3344,122.6912,78.94012
twpcmbeC1.c1,2005,0611:30:00,30 ,1.174265,269.2568,  124.38,85.94673
twpcmbeC1.c1,2005,0612:30:00,30 ,0.272359,285.1721,116.2317,89.61214
twpcmbeC1.c1,2005,0613:30:00,30 ,0.287567,311.8458,112.3612,96.25514
twpcmbeC1.c1,2005,0614:30:00,30 ,0.203335,239.7741, 97.7004, 83.1595
twpcmbeC1.c1,2005,0615:30:00,30 ,0.037851,234.6839,81.77829,58.76508
twpcmbeC1.c1,2005,0616:30:00,30 ,0.050645,136.9346,51.95084, 38.6445
twpcmbeC1.c1,2005,0617:30:00,30 ,       0,52.05276, 17.2653,18.43735
twpcmbeC1.c1,2005,0618:30:00,30 ,       0,0.778448,0.080847,0.191339
twpcmbeC1.c1,2005,0619:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,0620:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,0621:30:00,30 ,       0,0.361647,0.012055,0.066027
twpcmbeC1.c1,2005,0622:30:00,30 ,       0,0.363703,0.022925,0.087397
twpcmbeC1.c1,2005,0623:30:00,30 ,       0,0.447658,0.041838,0.127872