datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,2005,05 0:30:00,31 ,0.462734,13.34397,4.279071,3.544129 twpcmbeC1.c1,2005,05 1:30:00,31 ,0.433281,12.65942,3.652874,3.107091 twpcmbeC1.c1,2005,05 2:30:00,31 ,0.590851,10.94626,4.575372,3.126322 twpcmbeC1.c1,2005,05 3:30:00,31 ,0.281021,13.00518, 3.6868,3.296333 twpcmbeC1.c1,2005,05 4:30:00,31 ,0.397258, 8.92875,3.848372,2.541665 twpcmbeC1.c1,2005,05 5:30:00,31 ,0.354493,14.07963,3.863402,3.313946 twpcmbeC1.c1,2005,05 6:30:00,31 ,0.433309,15.96445,4.443994,3.989433 twpcmbeC1.c1,2005,05 7:30:00,31 , 0.53071,9.770154,3.273101,2.321742 twpcmbeC1.c1,2005,05 8:30:00,31 ,0.824979,15.86606,3.343398,2.989473 twpcmbeC1.c1,2005,05 9:30:00,31 ,0.787927,8.485347, 3.33528,2.228222 twpcmbeC1.c1,2005,0510:30:00,31 ,0.562562,13.54187,4.845484,3.646861 twpcmbeC1.c1,2005,0511:30:00,31 ,0.919376,11.55997,5.107763, 3.252 twpcmbeC1.c1,2005,0512:30:00,31 ,0.951115,11.25163,4.563391,3.384994 twpcmbeC1.c1,2005,0513:30:00,31 ,0.446852,9.835498, 4.03562,2.822284 twpcmbeC1.c1,2005,0514:30:00,31 ,0.590396,11.59285,4.607789,3.162103 twpcmbeC1.c1,2005,0515:30:00,31 ,0.865098,11.98345,4.873872,3.115682 twpcmbeC1.c1,2005,0516:30:00,31 ,0.632563,12.46394,4.006005,3.127813 twpcmbeC1.c1,2005,0517:30:00,31 ,0.707762,8.510278,3.136708,2.230664 twpcmbeC1.c1,2005,0518:30:00,31 ,0.576535,10.84563,3.624059,2.712347 twpcmbeC1.c1,2005,0519:30:00,31 ,0.446119,11.01582,3.112322,2.502923 twpcmbeC1.c1,2005,0520:30:00,31 ,0.467581,11.58001,3.146929,2.375638 twpcmbeC1.c1,2005,0521:30:00,31 ,0.305473, 12.6932,3.967608,3.543071 twpcmbeC1.c1,2005,0522:30:00,31 ,0.382963,11.42923,3.542805,2.828113 twpcmbeC1.c1,2005,0523:30:00,31 ,0.264738,9.306996, 3.24772,2.210728