datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2003,09 0:30:00,25 ,3.009652,5.979996,4.967554,0.741039 twpcmbeC2.c1,2003,09 1:30:00,25 ,2.993902,6.198223, 4.98628, 0.75273 twpcmbeC2.c1,2003,09 2:30:00,24 ,2.989019,6.059346,4.918365,0.718281 twpcmbeC2.c1,2003,09 3:30:00,24 ,2.968646,6.068234, 4.89951,0.695203 twpcmbeC2.c1,2003,09 4:30:00,24 ,3.014456, 6.10479,4.917566,0.650758 twpcmbeC2.c1,2003,09 5:30:00,24 ,2.882325,6.122394,4.947469,0.709342 twpcmbeC2.c1,2003,09 6:30:00,24 ,2.812932, 6.08207,4.941236,0.737827 twpcmbeC2.c1,2003,09 7:30:00,25 ,2.978159,5.856891,4.938661,0.689469 twpcmbeC2.c1,2003,09 8:30:00,25 ,2.985504,5.932662,4.928554, 0.68255 twpcmbeC2.c1,2003,09 9:30:00,25 ,3.084819, 5.94475,4.925398,0.712243 twpcmbeC2.c1,2003,0910:30:00,25 ,3.008671,5.949442,4.981234,0.756443 twpcmbeC2.c1,2003,0911:30:00,25 ,2.997956,5.995687,4.953287,0.720595 twpcmbeC2.c1,2003,0912:30:00,25 ,3.122546, 6.12167,4.923241,0.719462 twpcmbeC2.c1,2003,0913:30:00,25 ,3.098296,6.134266,4.877212,0.731866 twpcmbeC2.c1,2003,0914:30:00,25 ,3.098727,5.892392,4.871556,0.685068 twpcmbeC2.c1,2003,0915:30:00,25 ,3.131997,5.853385,4.803087,0.665545 twpcmbeC2.c1,2003,0916:30:00,25 ,3.080289,5.751821,4.784806,0.701424 twpcmbeC2.c1,2003,0917:30:00,25 ,2.978539,6.028204,4.824416,0.771772 twpcmbeC2.c1,2003,0918:30:00,24 , 2.88677,5.769083,4.821288, 0.77918 twpcmbeC2.c1,2003,0919:30:00,25 ,2.796984,6.185891,4.915907,0.829319 twpcmbeC2.c1,2003,0920:30:00,24 ,2.836422,5.818884,4.899225,0.805681 twpcmbeC2.c1,2003,0921:30:00,24 , 2.89782,6.109206,4.926634,0.832271 twpcmbeC2.c1,2003,0922:30:00,24 ,2.923988,6.100864, 4.97168,0.795338 twpcmbeC2.c1,2003,0923:30:00,24 ,2.880958,5.911349,4.999909,0.787995