datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,1999,01 0:30:00,31 ,388.3529,441.5437,416.9539,15.95286 twpcmbeC1.c1,1999,01 1:30:00,31 ,387.3628,438.5934,414.3214,14.78755 twpcmbeC1.c1,1999,01 2:30:00,31 ,385.9698,438.3116,414.9301,15.39996 twpcmbeC1.c1,1999,01 3:30:00,31 ,384.8974,442.7243,414.8095,16.06465 twpcmbeC1.c1,1999,01 4:30:00,31 ,385.7348,431.2675,412.5977,12.29071 twpcmbeC1.c1,1999,01 5:30:00,31 , 385.342, 439.602,411.7277, 12.8079 twpcmbeC1.c1,1999,01 6:30:00,31 ,384.7643,440.2438, 411.841,13.69389 twpcmbeC1.c1,1999,01 7:30:00,31 ,391.2794,442.0852,416.4267,13.33948 twpcmbeC1.c1,1999,01 8:30:00,31 ,397.9117,446.3954, 421.091,12.51671 twpcmbeC1.c1,1999,01 9:30:00,31 , 401.879,444.4079,423.3968, 10.6995 twpcmbeC1.c1,1999,0110:30:00,31 ,404.8329,444.7278,423.3394,10.77052 twpcmbeC1.c1,1999,0111:30:00,31 ,402.1081,441.7903,421.2163,10.30753 twpcmbeC1.c1,1999,0112:30:00,31 ,399.4552, 443.193,422.0356,10.78517 twpcmbeC1.c1,1999,0113:30:00,31 ,400.3233,448.1672,424.2843,14.52268 twpcmbeC1.c1,1999,0114:30:00,31 ,398.6104,442.9816, 423.424,11.98618 twpcmbeC1.c1,1999,0115:30:00,31 ,397.6964,445.7423,423.6462,13.07266 twpcmbeC1.c1,1999,0116:30:00,31 ,397.3057,447.4177, 420.396,12.35325 twpcmbeC1.c1,1999,0117:30:00,31 ,396.9843,446.9807, 419.494,12.83337 twpcmbeC1.c1,1999,0118:30:00,31 ,393.7916,436.1593, 415.333,11.32533 twpcmbeC1.c1,1999,0119:30:00,31 ,393.1339,442.5959,415.2686,13.11768 twpcmbeC1.c1,1999,0120:30:00,31 ,393.1567,441.5942,414.0426,14.03585 twpcmbeC1.c1,1999,0121:30:00,31 ,392.1562, 439.217,412.4865, 12.8759 twpcmbeC1.c1,1999,0122:30:00,31 ,391.8688,434.8398,412.7586,13.49169 twpcmbeC1.c1,1999,0123:30:00,31 ,390.1135,441.7918,414.2732,14.39105