datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,2001,09 0:30:00,30 ,438.7652,454.0271,447.2714,4.613175 twpcmbeC1.c1,2001,09 1:30:00,30 ,440.7453,455.6722,447.6985,4.375798 twpcmbeC1.c1,2001,09 2:30:00,30 ,436.6984,454.6766,447.1362,5.145888 twpcmbeC1.c1,2001,09 3:30:00,30 ,434.6323,455.0804,446.7126,5.669241 twpcmbeC1.c1,2001,09 4:30:00,30 ,434.1953,454.2195,445.4705,5.913069 twpcmbeC1.c1,2001,09 5:30:00,30 ,435.6658, 453.274,444.8715,5.753322 twpcmbeC1.c1,2001,09 6:30:00,30 ,439.2135,458.9759,449.3345,6.274813 twpcmbeC1.c1,2001,09 7:30:00,30 ,438.5892,479.9033,467.6738,9.092338 twpcmbeC1.c1,2001,09 8:30:00,30 ,446.1981,503.9858,488.5612,14.70673 twpcmbeC1.c1,2001,09 9:30:00,30 ,454.2253, 528.715,505.7821,16.59988 twpcmbeC1.c1,2001,0910:30:00,30 ,469.0663,543.0563,514.3733,20.97423 twpcmbeC1.c1,2001,0911:30:00,30 ,460.3033, 551.551,523.1523,22.96186 twpcmbeC1.c1,2001,0912:30:00,30 ,441.8298,559.5334,517.5608,29.70599 twpcmbeC1.c1,2001,0913:30:00,30 ,453.5039,557.1412,516.2653,28.83361 twpcmbeC1.c1,2001,0914:30:00,30 ,459.4196,549.9019,509.2808,23.51849 twpcmbeC1.c1,2001,0915:30:00,30 , 451.286,531.6812,497.7794,21.82236 twpcmbeC1.c1,2001,0916:30:00,30 ,455.7421,507.3797, 480.126,13.81492 twpcmbeC1.c1,2001,0917:30:00,30 ,443.6898,475.9467,462.9736,7.896866 twpcmbeC1.c1,2001,0918:30:00,30 ,444.7072,459.7098,453.2979,4.163451 twpcmbeC1.c1,2001,0919:30:00,30 ,439.8328, 458.013,450.8862,4.927181 twpcmbeC1.c1,2001,0920:30:00,30 ,438.8615, 457.904,450.0766,4.917326 twpcmbeC1.c1,2001,0921:30:00,30 ,439.8988,457.6625,449.8034,4.602684 twpcmbeC1.c1,2001,0922:30:00,30 ,441.8781,456.0783,449.8197,4.055875 twpcmbeC1.c1,2001,0923:30:00,30 , 439.664,455.3824,448.3606,4.389002