datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,1998,02 0:30:00,27 ,437.6512,457.8799,450.3827,5.181088 twpcmbeC1.c1,1998,02 1:30:00,28 ,437.0687, 457.856, 449.629,5.376724 twpcmbeC1.c1,1998,02 2:30:00,28 ,435.8904,459.5401,448.8034,5.899288 twpcmbeC1.c1,1998,02 3:30:00,27 ,435.0562,456.6428,447.5533,6.220779 twpcmbeC1.c1,1998,02 4:30:00,27 ,434.5062,457.2537,447.1802,6.484059 twpcmbeC1.c1,1998,02 5:30:00,28 ,434.5946,455.0232,446.9248,6.131673 twpcmbeC1.c1,1998,02 6:30:00,28 ,437.3885,456.8544,449.2746,5.458913 twpcmbeC1.c1,1998,02 7:30:00,28 ,453.1328,474.6808,463.2166,5.386786 twpcmbeC1.c1,1998,02 8:30:00,28 ,456.8921,501.1167,482.2168,10.40261 twpcmbeC1.c1,1998,02 9:30:00,28 ,465.4932,524.0988,499.8881,15.91424 twpcmbeC1.c1,1998,0210:30:00,28 ,463.1856,542.6818,511.5221,21.69705 twpcmbeC1.c1,1998,0211:30:00,28 ,460.0147,557.3303,518.6919,24.22426 twpcmbeC1.c1,1998,0212:30:00,28 ,482.0612,560.1131,525.8866,22.70628 twpcmbeC1.c1,1998,0213:30:00,28 ,477.1458, 566.322,525.2585,24.18531 twpcmbeC1.c1,1998,0214:30:00,28 ,460.7495,555.5513, 517.481,24.12801 twpcmbeC1.c1,1998,0215:30:00,28 ,456.3148,539.4579,504.7823,20.75772 twpcmbeC1.c1,1998,0216:30:00,28 ,459.3571,514.4288,490.4131, 15.4726 twpcmbeC1.c1,1998,0217:30:00,28 ,451.8244,489.3762,472.0518,9.529135 twpcmbeC1.c1,1998,0218:30:00,27 ,447.8331,466.9839,458.5734,4.371908 twpcmbeC1.c1,1998,0219:30:00,27 ,439.6332,462.1323,455.1161,4.359049 twpcmbeC1.c1,1998,0220:30:00,28 ,441.7649,462.6225,454.4668,4.269804 twpcmbeC1.c1,1998,0221:30:00,27 ,445.2608,461.3228,453.5571,3.753099 twpcmbeC1.c1,1998,0222:30:00,27 ,443.4823, 458.869,451.8481,4.221912 twpcmbeC1.c1,1998,0223:30:00,27 ,439.8257,458.3047, 450.584,4.947639