datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,2006,12 0:30:00,31 ,442.4619, 463.386,450.9274,4.814206 twpcmbeC1.c1,2006,12 1:30:00,31 ,442.2689,461.4437,449.6845,5.025285 twpcmbeC1.c1,2006,12 2:30:00,31 ,442.5148,461.0431,449.1261,5.290453 twpcmbeC1.c1,2006,12 3:30:00,31 , 439.549,460.4095,448.6446,5.390942 twpcmbeC1.c1,2006,12 4:30:00,31 ,440.2982,459.3506,448.1807,5.088858 twpcmbeC1.c1,2006,12 5:30:00,31 ,439.4474,460.5015,448.0907,4.785575 twpcmbeC1.c1,2006,12 6:30:00,31 ,449.0545,463.7297,454.2082,4.229906 twpcmbeC1.c1,2006,12 7:30:00,31 ,461.3909,485.7891,474.2677,6.942214 twpcmbeC1.c1,2006,12 8:30:00,31 ,459.5088,510.1549, 491.843,11.19472 twpcmbeC1.c1,2006,12 9:30:00,31 ,464.6573,526.0042, 503.994, 13.6536 twpcmbeC1.c1,2006,1210:30:00,31 , 449.224,537.0665,511.7485,20.75241 twpcmbeC1.c1,2006,1211:30:00,31 ,456.3726,547.7493, 510.403,25.83901 twpcmbeC1.c1,2006,1212:30:00,31 ,456.0205,548.9672,505.2762,28.14336 twpcmbeC1.c1,2006,1213:30:00,31 ,459.3589,546.4687,501.3124,25.11984 twpcmbeC1.c1,2006,1214:30:00,31 ,447.4443,539.0411,497.9565,21.18315 twpcmbeC1.c1,2006,1215:30:00,31 ,458.2401,533.9615,494.9084,21.56659 twpcmbeC1.c1,2006,1216:30:00,31 ,451.4678, 510.171,483.4594,15.39988 twpcmbeC1.c1,2006,1217:30:00,31 ,453.1615,484.7556,470.5156,8.583605 twpcmbeC1.c1,2006,1218:30:00,31 ,450.3189,468.5625,460.0806,4.774142 twpcmbeC1.c1,2006,1219:30:00,31 ,448.8907,464.9664,456.5746,3.914068 twpcmbeC1.c1,2006,1220:30:00,31 ,446.4345, 465.424,454.5826,4.114963 twpcmbeC1.c1,2006,1221:30:00,31 , 445.289,465.9545,453.3141,4.633437 twpcmbeC1.c1,2006,1222:30:00,31 ,443.8589,464.4361,452.6962,4.876948 twpcmbeC1.c1,2006,1223:30:00,31 ,443.2402,466.2236,452.0939,5.416782