datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2005,07 0:30:00,29 ,       0,1.585053,0.077404,0.296362
twpcmbeC1.c1,2005,07 1:30:00,29 ,       0,1.468869,0.087075,  0.2811
twpcmbeC1.c1,2005,07 2:30:00,29 ,       0,0.992675,0.085202,0.206783
twpcmbeC1.c1,2005,07 3:30:00,29 ,       0,5.802508,0.223203,1.074752
twpcmbeC1.c1,2005,07 4:30:00,29 ,       0, 3.35887,0.115823,0.623727
twpcmbeC1.c1,2005,07 5:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,07 6:30:00,31 ,3.759342,36.57784, 20.2537, 11.2144
twpcmbeC1.c1,2005,07 7:30:00,31 ,9.226655,113.3209,55.41351,32.90468
twpcmbeC1.c1,2005,07 8:30:00,31 ,17.12154,193.3031,83.35455,51.73503
twpcmbeC1.c1,2005,07 9:30:00,31 ,6.340965,243.7484,86.84215,59.26123
twpcmbeC1.c1,2005,0710:30:00,31 ,11.82458,232.0786,94.92352,63.80041
twpcmbeC1.c1,2005,0711:30:00,31 ,8.096898,344.4451,119.8031,90.69619
twpcmbeC1.c1,2005,0712:30:00,31 ,3.849205,307.4139, 120.597,91.16809
twpcmbeC1.c1,2005,0713:30:00,31 ,1.499501,339.2811,125.1601,105.9222
twpcmbeC1.c1,2005,0714:30:00,31 , 9.16904,271.0738,112.4825,90.41486
twpcmbeC1.c1,2005,0715:30:00,31 ,1.064813,235.4936,86.21162,62.09343
twpcmbeC1.c1,2005,0716:30:00,31 , 4.07378,112.3284,51.95544, 34.5739
twpcmbeC1.c1,2005,0717:30:00,31 ,4.207656,103.9733,31.41548,25.96805
twpcmbeC1.c1,2005,0718:30:00,30 ,       0,9.029263,3.225828,1.734079
twpcmbeC1.c1,2005,0719:30:00,29 ,       0,2.075389,0.071565, 0.38539
twpcmbeC1.c1,2005,0720:30:00,29 ,       0,3.380481,0.116568, 0.62774
twpcmbeC1.c1,2005,0721:30:00,29 ,       0, 3.17221,0.122362,0.590711
twpcmbeC1.c1,2005,0722:30:00,29 ,       0,1.430683,0.079857,0.275555
twpcmbeC1.c1,2005,0723:30:00,29 ,       0,0.794912,0.066421,0.173076