datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2004,07 0:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,07 1:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,07 2:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,07 3:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,07 4:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,07 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,07 6:30:00,31 ,0.166887,29.41418,14.21638,7.389063
twpcmbeC1.c1,2004,07 7:30:00,31 ,3.354564,70.35367,29.01991,14.74431
twpcmbeC1.c1,2004,07 8:30:00,31 ,3.583177,82.37847,34.46596,22.26926
twpcmbeC1.c1,2004,07 9:30:00,31 ,2.005017,92.06141,38.34556,21.57218
twpcmbeC1.c1,2004,0710:30:00,31 ,2.781399,121.1832,50.34654,26.67236
twpcmbeC1.c1,2004,0711:30:00,31 ,1.816142,176.1573,53.62905,38.39923
twpcmbeC1.c1,2004,0712:30:00,31 ,9.180246,168.8573,59.64486,35.11347
twpcmbeC1.c1,2004,0713:30:00,31 ,11.96049,117.8616,55.36235,29.07424
twpcmbeC1.c1,2004,0714:30:00,31 ,7.698088,161.0309,49.41314,39.45451
twpcmbeC1.c1,2004,0715:30:00,31 , 6.01715,126.4537,38.01621,25.91382
twpcmbeC1.c1,2004,0716:30:00,31 ,0.842561,77.85587,29.37857,16.03408
twpcmbeC1.c1,2004,0717:30:00,31 ,1.053654, 62.0784,22.58489,12.24392
twpcmbeC1.c1,2004,0718:30:00,31 ,       0,7.942062, 3.53787,1.802854
twpcmbeC1.c1,2004,0719:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,0720:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,0721:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,0722:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,0723:30:00,31 ,       0,       0,       0,       0