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 ,0.037332,30.64678,14.84307,7.466841
twpcmbeC1.c1,2004,07 7:30:00,31 ,13.96776,162.7563,84.20567,32.81384
twpcmbeC1.c1,2004,07 8:30:00,31 , 14.2911,251.8783,159.3858, 60.1273
twpcmbeC1.c1,2004,07 9:30:00,31 ,36.57245,347.0314, 202.392,83.50657
twpcmbeC1.c1,2004,0710:30:00,31 ,90.53916,419.7448, 233.957,96.33975
twpcmbeC1.c1,2004,0711:30:00,31 ,64.74686,447.5501,271.2963,111.3679
twpcmbeC1.c1,2004,0712:30:00,31 ,107.8917, 524.435,311.6097,100.6525
twpcmbeC1.c1,2004,0713:30:00,31 ,103.4119,460.1825,  297.58,105.8237
twpcmbeC1.c1,2004,0714:30:00,31 ,37.67118, 413.417,247.9056,94.57216
twpcmbeC1.c1,2004,0715:30:00,31 ,25.13415,314.7259,194.9011,76.20333
twpcmbeC1.c1,2004,0716:30:00,31 ,4.958136,201.4277,123.2433,49.20273
twpcmbeC1.c1,2004,0717:30:00,31 ,2.541348,83.67105,47.41289,19.74284
twpcmbeC1.c1,2004,0718:30:00,31 ,       0,4.309833,2.065019,1.062104
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