datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2001,03 0:30:00,30 ,445.9242,460.6442,453.8583,3.468415 twpcmbeC2.c1,2001,03 1:30:00,31 ,444.2626,459.0541, 453.109,3.633765 twpcmbeC2.c1,2001,03 2:30:00,31 ,444.2427,458.0112,452.4796,3.354622 twpcmbeC2.c1,2001,03 3:30:00,31 ,442.5504,455.3754,450.9602,3.052921 twpcmbeC2.c1,2001,03 4:30:00,31 ,440.8555,456.2788,450.3139,3.519863 twpcmbeC2.c1,2001,03 5:30:00,31 ,440.1761, 455.244,449.9787,3.319071 twpcmbeC2.c1,2001,03 6:30:00,31 ,439.2207,454.6947,449.4131,3.280843 twpcmbeC2.c1,2001,03 7:30:00,31 ,447.7306,458.0688,453.5489,2.815529 twpcmbeC2.c1,2001,03 8:30:00,31 ,455.6818,482.5674,471.0759,6.547973 twpcmbeC2.c1,2001,03 9:30:00,31 ,472.0684,510.2518, 493.381,10.67837 twpcmbeC2.c1,2001,0310:30:00,31 ,488.4927,535.8353,517.9887,11.56399 twpcmbeC2.c1,2001,0311:30:00,31 ,486.0931,557.4147, 531.18,17.16038 twpcmbeC2.c1,2001,0312:30:00,31 ,500.2117,572.7737,540.0259,19.12816 twpcmbeC2.c1,2001,0313:30:00,30 ,494.5268,567.5271,545.2778,16.98239 twpcmbeC2.c1,2001,0314:30:00,30 ,478.6581,566.4939,539.1086,20.36011 twpcmbeC2.c1,2001,0315:30:00,31 , 476.67,556.1979,528.4195, 15.9852 twpcmbeC2.c1,2001,0316:30:00,31 , 493.752,536.0958,516.1471,9.311212 twpcmbeC2.c1,2001,0317:30:00,31 ,471.2625,515.8515,495.7735,8.193903 twpcmbeC2.c1,2001,0318:30:00,31 ,456.7645,484.2856,474.1746,5.785228 twpcmbeC2.c1,2001,0319:30:00,31 ,453.4332,468.0064,462.8641,3.583969 twpcmbeC2.c1,2001,0320:30:00,31 ,453.7977,463.9556,459.4865, 2.86509 twpcmbeC2.c1,2001,0321:30:00,31 ,449.9356,464.3683,457.9209,3.471967 twpcmbeC2.c1,2001,0322:30:00,31 ,450.7259,461.3997,456.1472, 3.05718 twpcmbeC2.c1,2001,0323:30:00,31 ,448.5003,461.1295,454.8181,3.479518