datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2002,01 0:30:00,25 ,4.538599,6.855603,5.999159,0.613124 twpcmbeC2.c1,2002,01 1:30:00,24 ,4.603325,6.876362,6.063501,0.584834 twpcmbeC2.c1,2002,01 2:30:00,23 ,4.656106,6.656762,6.029539,0.582531 twpcmbeC2.c1,2002,01 3:30:00,23 , 4.57114,6.673863, 5.98406,0.621333 twpcmbeC2.c1,2002,01 4:30:00,26 ,4.507989,7.113533, 6.11428,0.669671 twpcmbeC2.c1,2002,01 5:30:00,24 ,4.530249,6.891084,6.082397,0.680499 twpcmbeC2.c1,2002,01 6:30:00,23 ,4.611805,6.829719,6.000371,0.692162 twpcmbeC2.c1,2002,01 7:30:00,26 ,4.543922,6.684974, 5.96444, 0.66787 twpcmbeC2.c1,2002,01 8:30:00,27 ,4.506957,6.797783,5.942979,0.662889 twpcmbeC2.c1,2002,01 9:30:00,26 ,4.462046,6.809034,5.894941,0.624161 twpcmbeC2.c1,2002,0110:30:00,26 ,4.518589,6.832313,5.877555,0.610312 twpcmbeC2.c1,2002,0111:30:00,26 ,4.435862,6.974985,5.880373,0.625608 twpcmbeC2.c1,2002,0112:30:00,26 ,4.531527,7.016376,5.896728,0.580175 twpcmbeC2.c1,2002,0113:30:00,25 ,4.573473,6.625999,5.857227,0.528686 twpcmbeC2.c1,2002,0114:30:00,25 ,4.717237,6.641016,5.858861,0.531544 twpcmbeC2.c1,2002,0115:30:00,24 ,4.699732,6.970506,5.845214,0.591846 twpcmbeC2.c1,2002,0116:30:00,26 ,4.711089,6.942946,5.904253,0.601665 twpcmbeC2.c1,2002,0117:30:00,27 ,4.569322,6.803666,5.907325,0.609139 twpcmbeC2.c1,2002,0118:30:00,25 ,4.356615,7.022319,5.873794, 0.64499 twpcmbeC2.c1,2002,0119:30:00,28 ,4.275335,7.015833,5.960372, 0.67405 twpcmbeC2.c1,2002,0120:30:00,28 ,4.305572,6.812642, 5.96115,0.652863 twpcmbeC2.c1,2002,0121:30:00,28 ,4.406116,6.979434,6.016141,0.635432 twpcmbeC2.c1,2002,0122:30:00,26 , 4.57966,6.714012,5.952222,0.592182 twpcmbeC2.c1,2002,0123:30:00,26 ,4.467107, 6.93229,5.964326,0.641531