datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2005,01 0:30:00,31 ,4.527731,6.883952,5.853878,0.697164 twpcmbeC2.c1,2005,01 1:30:00,28 ,4.278562,6.628203,5.798355,0.733636 twpcmbeC2.c1,2005,01 2:30:00,30 ,4.091162,6.950054,5.771028,0.756751 twpcmbeC2.c1,2005,01 3:30:00,30 ,4.054665,6.774411,5.705272,0.732972 twpcmbeC2.c1,2005,01 4:30:00,30 ,4.219765,6.676524,5.709684,0.720313 twpcmbeC2.c1,2005,01 5:30:00,31 ,4.258032,6.737755,5.757221,0.735659 twpcmbeC2.c1,2005,01 6:30:00,31 ,4.340283,6.754463,5.797625,0.746675 twpcmbeC2.c1,2005,01 7:30:00,31 ,4.400893,6.822713,5.825445,0.707133 twpcmbeC2.c1,2005,01 8:30:00,29 ,4.336007, 6.80939,5.778085,0.733498 twpcmbeC2.c1,2005,01 9:30:00,29 ,4.246665,6.758601,5.743002,0.720474 twpcmbeC2.c1,2005,0110:30:00,28 ,4.233222,6.835339,5.707182,0.719602 twpcmbeC2.c1,2005,0111:30:00,28 ,4.326874,6.838758,5.733267,0.720482 twpcmbeC2.c1,2005,0112:30:00,26 ,4.211316,6.838469,5.634589,0.669626 twpcmbeC2.c1,2005,0113:30:00,28 ,4.151443,6.881661,5.659273,0.688863 twpcmbeC2.c1,2005,0114:30:00,29 ,4.230126,6.719248,5.667658,0.625971 twpcmbeC2.c1,2005,0115:30:00,28 ,4.365271,6.688211, 5.63736,0.660912 twpcmbeC2.c1,2005,0116:30:00,30 ,4.448672,6.868163,5.691306,0.688787 twpcmbeC2.c1,2005,0117:30:00,29 ,4.472577,6.601214,5.633823, 0.65558 twpcmbeC2.c1,2005,0118:30:00,28 ,4.471182,6.665721, 5.65394,0.665933 twpcmbeC2.c1,2005,0119:30:00,31 ,4.516885, 7.05304,5.789009,0.687044 twpcmbeC2.c1,2005,0120:30:00,29 , 4.56234,6.958394,5.775651,0.649746 twpcmbeC2.c1,2005,0121:30:00,29 ,4.708026,7.008963,5.816868,0.627976 twpcmbeC2.c1,2005,0122:30:00,30 ,4.730479,6.898319,5.838571,0.638857 twpcmbeC2.c1,2005,0123:30:00,31 ,4.670187,6.923884,5.859841,0.651201