datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2007,07 0:30:00,31 ,       0,0.188409,0.010068,0.039856
twpcmbeC1.c1,2007,07 1:30:00,31 ,       0,0.299202,0.016599,0.059568
twpcmbeC1.c1,2007,07 2:30:00,31 ,       0,0.303774,0.016907,0.059952
twpcmbeC1.c1,2007,07 3:30:00,31 ,       0,0.223096,0.012728,0.049716
twpcmbeC1.c1,2007,07 4:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,07 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,07 6:30:00,31 ,6.033898,51.13474,21.27539,11.39663
twpcmbeC1.c1,2007,07 7:30:00,31 ,7.958906,156.0568,66.43772,37.77661
twpcmbeC1.c1,2007,07 8:30:00,31 ,6.554474,185.7384,91.93619,44.61112
twpcmbeC1.c1,2007,07 9:30:00,31 ,29.07703,329.1574,129.4775,64.30901
twpcmbeC1.c1,2007,0710:30:00,31 ,19.45688,271.6775,120.9362, 75.1053
twpcmbeC1.c1,2007,0711:30:00,31 , 24.2203,277.9669,152.0241,74.59782
twpcmbeC1.c1,2007,0712:30:00,31 ,7.437711,  337.37,163.8284,101.2014
twpcmbeC1.c1,2007,0713:30:00,31 ,10.57522,300.8566,162.4366,87.58006
twpcmbeC1.c1,2007,0714:30:00,31 ,13.16004,289.0394,108.7299,78.04926
twpcmbeC1.c1,2007,0715:30:00,31 ,2.687953, 217.989,86.84404,65.54199
twpcmbeC1.c1,2007,0716:30:00,31 ,0.845442,164.5378,63.56104,52.48683
twpcmbeC1.c1,2007,0717:30:00,31 , 0.88113, 79.4754,34.00454,22.62124
twpcmbeC1.c1,2007,0718:30:00,31 ,       0,14.11974,4.357485,3.114285
twpcmbeC1.c1,2007,0719:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,0720:30:00,31 ,       0, 0.17704,0.005711,0.031797
twpcmbeC1.c1,2007,0721:30:00,31 ,       0,0.383154,0.057848,0.114136
twpcmbeC1.c1,2007,0722:30:00,31 ,       0,0.333196,0.050977,0.108499
twpcmbeC1.c1,2007,0723:30:00,31 ,       0,0.335706,0.023695,0.071331