datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,1999,09 0:30:00,29 ,0.305282,2.300404,0.875376,0.441151 twpcmbeC2.c1,1999,09 1:30:00,29 ,0.198784,2.858865,0.822465,0.550937 twpcmbeC2.c1,1999,09 2:30:00,29 ,0.280935, 1.65335,0.968718,0.404387 twpcmbeC2.c1,1999,09 3:30:00,29 ,0.388392,3.942426,0.999766, 0.70013 twpcmbeC2.c1,1999,09 4:30:00,29 ,0.383563,1.781383,0.795848,0.375562 twpcmbeC2.c1,1999,09 5:30:00,29 ,0.378205,3.577765,0.838171,0.606993 twpcmbeC2.c1,1999,09 6:30:00,29 ,0.447436,1.949758, 0.81839,0.329832 twpcmbeC2.c1,1999,09 7:30:00,29 ,2.041651,10.00482,6.173674,2.325121 twpcmbeC2.c1,1999,09 8:30:00,29 ,3.885589, 11.2959, 7.37835,2.101785 twpcmbeC2.c1,1999,09 9:30:00,29 ,2.629309,10.83294, 6.47928, 1.72947 twpcmbeC2.c1,1999,0910:30:00,29 ,3.126086,12.31855,6.676548, 2.38896 twpcmbeC2.c1,1999,0911:30:00,27 ,2.829933,12.28122,5.437467,2.413778 twpcmbeC2.c1,1999,0912:30:00,27 ,2.425251, 20.0034,5.745981,4.738587 twpcmbeC2.c1,1999,0913:30:00,27 ,1.426964,13.32533,4.863632,3.125358 twpcmbeC2.c1,1999,0914:30:00,29 ,2.080586, 13.6561,5.372573,2.632915 twpcmbeC2.c1,1999,0915:30:00,28 ,2.607134,10.69401,5.558847, 2.05209 twpcmbeC2.c1,1999,0916:30:00,30 ,3.797962,11.30417,7.047378,2.012625 twpcmbeC2.c1,1999,0917:30:00,30 ,2.190795,9.856218,6.137896, 1.84792 twpcmbeC2.c1,1999,0918:30:00,30 ,2.996085,7.958852,4.838234,1.251108 twpcmbeC2.c1,1999,0919:30:00,30 ,1.001296,2.839129,1.678424,0.457121 twpcmbeC2.c1,1999,0920:30:00,30 ,0.599855,2.005396,1.076412,0.353708 twpcmbeC2.c1,1999,0921:30:00,30 ,0.433382,2.967247,0.909741,0.480882 twpcmbeC2.c1,1999,0922:30:00,30 , 0.32486,1.719391,0.834371,0.346547 twpcmbeC2.c1,1999,0923:30:00,30 ,0.311567,5.559576,0.986848, 0.90462