datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,2003,09 0:30:00,30 ,439.8752,462.3958,453.7879,5.509001 twpcmbeC1.c1,2003,09 1:30:00,30 ,441.0998,460.1888,453.5127,4.907729 twpcmbeC1.c1,2003,09 2:30:00,29 ,441.7177, 462.186,452.9209,4.971089 twpcmbeC1.c1,2003,09 3:30:00,30 ,441.5716,462.5435,451.7901,4.932601 twpcmbeC1.c1,2003,09 4:30:00,30 ,439.0337,457.4047,450.5971,5.201482 twpcmbeC1.c1,2003,09 5:30:00,30 ,437.3115,458.1184,449.8938,5.537358 twpcmbeC1.c1,2003,09 6:30:00,30 ,440.8463,461.4058,453.7841,5.848599 twpcmbeC1.c1,2003,09 7:30:00,30 ,441.4669,481.5232,468.9274,9.902524 twpcmbeC1.c1,2003,09 8:30:00,30 ,446.1028,502.7482,484.5226,15.30422 twpcmbeC1.c1,2003,09 9:30:00,30 ,457.6598,527.6251,497.0322,20.00031 twpcmbeC1.c1,2003,0910:30:00,30 ,454.3469,537.5331,505.4056,23.81233 twpcmbeC1.c1,2003,0911:30:00,30 ,450.4867,552.9429,514.4735,25.48164 twpcmbeC1.c1,2003,0912:30:00,30 ,451.1873,549.1093,507.6837,27.94936 twpcmbeC1.c1,2003,0913:30:00,30 ,448.0385,536.0734,502.8288,25.47288 twpcmbeC1.c1,2003,0914:30:00,30 ,445.4153,532.1749,491.5464,25.46245 twpcmbeC1.c1,2003,0915:30:00,30 ,445.9748,516.8366,482.9974,21.10702 twpcmbeC1.c1,2003,0916:30:00,30 , 445.873, 505.432,475.4926,17.03629 twpcmbeC1.c1,2003,0917:30:00,30 ,446.1187,481.3219, 464.545,10.57682 twpcmbeC1.c1,2003,0918:30:00,30 ,443.1751,465.6076,456.9587,5.895827 twpcmbeC1.c1,2003,0919:30:00,30 ,442.3518,464.1752,454.8949, 5.53947 twpcmbeC1.c1,2003,0920:30:00,30 ,443.0565,462.9439,454.5833,5.147163 twpcmbeC1.c1,2003,0921:30:00,30 ,443.2993,461.9875,454.6593,4.921668 twpcmbeC1.c1,2003,0922:30:00,30 ,442.2633,461.8273,454.1069,5.065271 twpcmbeC1.c1,2003,0923:30:00,30 ,441.4042,462.0651, 453.693,5.480956