datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2006,05 0:30:00,30 ,       0,0.278417,0.015076, 0.05554
twpcmbeC2.c1,2006,05 1:30:00,30 ,       0,0.163298,0.007277,0.030799
twpcmbeC2.c1,2006,05 2:30:00,31 ,       0,0.569751,0.029947,0.119081
twpcmbeC2.c1,2006,05 3:30:00,31 ,       0,0.146842,0.007577,0.028799
twpcmbeC2.c1,2006,05 4:30:00,31 ,       0, 0.01428,0.000461,0.002565
twpcmbeC2.c1,2006,05 5:30:00,31 ,       0,0.011379,0.000367,0.002044
twpcmbeC2.c1,2006,05 6:30:00,31 ,       0,0.017596,0.008079,0.003982
twpcmbeC2.c1,2006,05 7:30:00,31 ,0.277802,95.01612,54.85271,30.81324
twpcmbeC2.c1,2006,05 8:30:00,31 ,1.102974, 313.597,203.0199,94.56908
twpcmbeC2.c1,2006,05 9:30:00,31 ,15.82828,533.0289,352.3767,144.7064
twpcmbeC2.c1,2006,0510:30:00,31 ,59.82993,713.5031,454.9996,200.4686
twpcmbeC2.c1,2006,0511:30:00,31 ,2.833038,836.6421,535.4031,240.7269
twpcmbeC2.c1,2006,0512:30:00,31 ,1.549973,894.4541,545.7751,291.2945
twpcmbeC2.c1,2006,0513:30:00,31 ,0.169334,887.5563,551.9206,300.3122
twpcmbeC2.c1,2006,0514:30:00,31 , 0.02713,800.9777,547.0394,250.3953
twpcmbeC2.c1,2006,0515:30:00,31 ,2.269905,650.7966,438.6816,214.3934
twpcmbeC2.c1,2006,0516:30:00,31 ,1.165604,  455.05,325.8231,132.2921
twpcmbeC2.c1,2006,0517:30:00,31 ,  0.2351,232.6863,161.0371,68.80624
twpcmbeC2.c1,2006,0518:30:00,31 ,0.011919,39.90385,25.05497,12.55449
twpcmbeC2.c1,2006,0519:30:00,31 ,       0,0.014731, 0.00549,0.005378
twpcmbeC2.c1,2006,0520:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2006,0521:30:00,31 ,       0,0.130149,0.008074,0.027175
twpcmbeC2.c1,2006,0522:30:00,31 ,       0,  0.0908, 0.00383,0.016901
twpcmbeC2.c1,2006,0523:30:00,31 ,       0,       0,       0,       0